Added FSR3 HLSL shader code with initial batch of Unity .compute wrappers

Assets/Resources/FSR3.meta

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Assets/Resources/FSR3/ffx_fsr3upscaler_accumulate_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_APPLY_SHARPENING
+
+#pragma multi_compile_local __ UNITY_FSR3UPSCALER_HDRP
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+// Ensure the correct value is defined for this keyword, as it is used to select one of multiple sampler functions
+#ifdef FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE
+#undef FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE
+#define FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE 1
+#endif
+
+#include "shaders/ffx_fsr3upscaler_accumulate_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_accumulate_pass.compute.meta

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+ComputeShaderImporter:
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+  preprocessorOverride: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Resources/FSR3/ffx_fsr3upscaler_autogen_reactive_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#pragma multi_compile_local __ UNITY_FSR3UPSCALER_HDRP
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+#include "shaders/ffx_fsr3upscaler_autogen_reactive_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_autogen_reactive_pass.compute.meta

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+ComputeShaderImporter:
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+  preprocessorOverride: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Resources/FSR3/ffx_fsr3upscaler_compute_luminance_pyramid_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#pragma multi_compile_local __ UNITY_FSR3UPSCALER_HDRP	// TODO: look into generalizing this
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+// Wave operations require shader model 6.0; this can only be enabled when using DXC on D3D12
+// These pragmas are commented out by default as Unity will sometimes ignore the #if's and try to enable these features anyway.
+// Uncomment the below lines if you intend to try wave operations on DX12 with the DXC compiler.
+//#if defined(UNITY_COMPILER_DXC) && defined(SHADER_API_D3D12)
+//#pragma require WaveBasic   // Required for WaveGetLaneIndex
+//#pragma require WaveBallot  // Required for WaveReadLaneAt
+//#else
+#define FFX_SPD_NO_WAVE_OPERATIONS
+//#endif
+
+#include "shaders/ffx_fsr3upscaler_compute_luminance_pyramid_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_compute_luminance_pyramid_pass.compute.meta

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+  userData: 
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Assets/Resources/FSR3/ffx_fsr3upscaler_depth_clip_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#pragma multi_compile_local __ UNITY_FSR3UPSCALER_HDRP
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+#include "shaders/ffx_fsr3upscaler_depth_clip_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_depth_clip_pass.compute.meta

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+  preprocessorOverride: 0
+  userData: 
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Assets/Resources/FSR3/ffx_fsr3upscaler_lock_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+#include "shaders/ffx_fsr3upscaler_lock_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_lock_pass.compute.meta

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+  userData: 
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Assets/Resources/FSR3/ffx_fsr3upscaler_rcas_pass.compute

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+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+#include "shaders/ffx_fsr3upscaler_rcas_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_rcas_pass.compute.meta

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+ComputeShaderImporter:
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+  preprocessorOverride: 0
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+  assetBundleVariant: 

Assets/Resources/FSR3/ffx_fsr3upscaler_reconstruct_previous_depth_pass.compute

@@ -0,0 +1,33 @@
+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma kernel CS
+
+#pragma multi_compile_local __ FFX_HALF
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+
+#pragma multi_compile_local __ UNITY_FSR3UPSCALER_HDRP
+
+#include "ffx_fsr3upscaler_unity_common.cginc"
+
+#include "shaders/ffx_fsr3upscaler_reconstruct_previous_depth_pass.hlsl"

Assets/Resources/FSR3/ffx_fsr3upscaler_reconstruct_previous_depth_pass.compute.meta

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Assets/Resources/FSR3/ffx_fsr3upscaler_unity_common.cginc

@@ -0,0 +1,26 @@
+// Copyright (c) 2023 Nico de Poel
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// Suppress a few warnings produced by FFX's HLSL code
+#pragma warning(disable: 3078)      // Loop control variable conflicts
+#pragma warning(disable: 3203)      // Signed/unsigned mismatch
+
+#define FFX_GPU         // Compiling for GPU
+#define FFX_HLSL        // Compile for plain HLSL

Assets/Resources/FSR3/ffx_fsr3upscaler_unity_common.cginc.meta

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Assets/Resources/FSR3/shaders.meta

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Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_accumulate_pass.hlsl

@@ -0,0 +1,79 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE                         0
+#define FSR3UPSCALER_BIND_SRV_DILATED_REACTIVE_MASKS                 1
+#if FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#define FSR3UPSCALER_BIND_SRV_DILATED_MOTION_VECTORS                 2
+#else
+#define FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS                   2
+#endif
+#define FSR3UPSCALER_BIND_SRV_INTERNAL_UPSCALED                      3
+#define FSR3UPSCALER_BIND_SRV_LOCK_STATUS                            4
+#define FSR3UPSCALER_BIND_SRV_PREPARED_INPUT_COLOR                   5
+#define FSR3UPSCALER_BIND_SRV_LANCZOS_LUT                            6
+#define FSR3UPSCALER_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT               7
+#define FSR3UPSCALER_BIND_SRV_SCENE_LUMINANCE_MIPS                   8
+#define FSR3UPSCALER_BIND_SRV_AUTO_EXPOSURE                          9
+#define FSR3UPSCALER_BIND_SRV_LUMA_HISTORY                           10
+
+#define FSR3UPSCALER_BIND_UAV_INTERNAL_UPSCALED                      0
+#define FSR3UPSCALER_BIND_UAV_LOCK_STATUS                            1
+#define FSR3UPSCALER_BIND_UAV_UPSCALED_OUTPUT                        2
+#define FSR3UPSCALER_BIND_UAV_NEW_LOCKS                              3
+#define FSR3UPSCALER_BIND_UAV_LUMA_HISTORY                           4
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                            0
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_sample.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_upsample.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_postprocess_lock_status.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_reproject.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_accumulate.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 8
+#endif // FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_PREFER_WAVE64
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+void CS(uint2 uGroupId : SV_GroupID, uint2 uGroupThreadId : SV_GroupThreadID)
+{
+    const uint GroupRows = (uint(DisplaySize().y) + FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT - 1) / FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT;
+    uGroupId.y = GroupRows - uGroupId.y - 1;
+
+    uint2 uDispatchThreadId = uGroupId * uint2(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT) + uGroupThreadId;
+
+    Accumulate(uDispatchThreadId);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_accumulate_pass.hlsl.meta

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Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_autogen_reactive_pass.hlsl

@@ -0,0 +1,77 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_INPUT_OPAQUE_ONLY                     0
+#define FSR3UPSCALER_BIND_SRV_INPUT_COLOR                           1
+
+#define FSR3UPSCALER_BIND_UAV_AUTOREACTIVE                          0
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                                   0
+#define FSR3UPSCALER_BIND_CB_REACTIVE                               1
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 8
+#endif // FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+void CS(uint2 uGroupId : SV_GroupID, uint2 uGroupThreadId : SV_GroupThreadID)
+{
+    uint2 uDispatchThreadId = uGroupId * uint2(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT) + uGroupThreadId;
+
+    float3 ColorPreAlpha    = LoadOpaqueOnly( FFX_MIN16_I2(uDispatchThreadId) ).rgb;
+    float3 ColorPostAlpha   = LoadInputColor(uDispatchThreadId).rgb;
+    
+    if (GenReactiveFlags() & FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_TONEMAP)
+    {
+        ColorPreAlpha = Tonemap(ColorPreAlpha);
+        ColorPostAlpha = Tonemap(ColorPostAlpha);
+    }
+
+    if (GenReactiveFlags() & FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_INVERSETONEMAP)
+    {
+        ColorPreAlpha = InverseTonemap(ColorPreAlpha);
+        ColorPostAlpha = InverseTonemap(ColorPostAlpha);
+    }
+
+    float out_reactive_value = 0.f;
+    float3 delta = abs(ColorPostAlpha - ColorPreAlpha);
+    
+    out_reactive_value = (GenReactiveFlags() & FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_USE_COMPONENTS_MAX) ? max(delta.x, max(delta.y, delta.z)) : length(delta);
+    out_reactive_value *= GenReactiveScale();
+
+    out_reactive_value = (GenReactiveFlags() & FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_THRESHOLD) ? (out_reactive_value < GenReactiveThreshold() ? 0 : GenReactiveBinaryValue()) : out_reactive_value;
+
+    rw_output_autoreactive[uDispatchThreadId] = out_reactive_value;
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_autogen_reactive_pass.hlsl.meta

@@ -0,0 +1,7 @@
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+guid: 52cdb7a7c30cb614984908593ed19082
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+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_compute_luminance_pyramid_pass.hlsl

@@ -0,0 +1,55 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_INPUT_COLOR                     0
+
+#define FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC               0
+#define FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE        1
+#define FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5                  2
+#define FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE                   3
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                     0
+#define FSR3UPSCALER_BIND_CB_SPD                              1
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_compute_luminance_pyramid.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 256
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_CB2_ROOTSIG_CONTENT
+void CS(uint3 WorkGroupId : SV_GroupID, uint LocalThreadIndex : SV_GroupIndex)
+{
+    ComputeAutoExposure(WorkGroupId, LocalThreadIndex);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_compute_luminance_pyramid_pass.hlsl.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 2d149b52ba0f5bb468a94a71dbbcb66f
+ShaderIncludeImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_depth_clip_pass.hlsl

@@ -0,0 +1,67 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH      0
+#define FSR3UPSCALER_BIND_SRV_DILATED_MOTION_VECTORS                1
+#define FSR3UPSCALER_BIND_SRV_DILATED_DEPTH                         2
+#define FSR3UPSCALER_BIND_SRV_REACTIVE_MASK                         3
+#define FSR3UPSCALER_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK     4
+#define FSR3UPSCALER_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS       5
+#define FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS                  6
+#define FSR3UPSCALER_BIND_SRV_INPUT_COLOR                           7
+#define FSR3UPSCALER_BIND_SRV_INPUT_DEPTH                           8
+#define FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE                        9
+
+#define FSR3UPSCALER_BIND_UAV_DILATED_REACTIVE_MASKS                0
+#define FSR3UPSCALER_BIND_UAV_PREPARED_INPUT_COLOR                  1
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                                   0
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_sample.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_depth_clip.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_PREFER_WAVE64
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+void CS(
+    int2 iGroupId : SV_GroupID,
+    int2 iDispatchThreadId : SV_DispatchThreadID,
+    int2 iGroupThreadId : SV_GroupThreadID,
+    int iGroupIndex : SV_GroupIndex)
+{
+    DepthClip(iDispatchThreadId);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_depth_clip_pass.hlsl.meta

@@ -0,0 +1,7 @@
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_lock_pass.hlsl

@@ -0,0 +1,56 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_LOCK_INPUT_LUMA                       0
+
+#define FSR3UPSCALER_BIND_UAV_NEW_LOCKS                             0
+#define FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH      1
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                                   0
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_sample.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_lock.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_PREFER_WAVE64
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+void CS(uint2 uGroupId : SV_GroupID, uint2 uGroupThreadId : SV_GroupThreadID)
+{
+    uint2 uDispatchThreadId = uGroupId * uint2(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT) + uGroupThreadId;
+
+    ComputeLock(uDispatchThreadId);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_lock_pass.hlsl.meta

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+  userData: 
+  assetBundleName: 
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Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_rcas_pass.hlsl

@@ -0,0 +1,53 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE        0
+#define FSR3UPSCALER_BIND_SRV_RCAS_INPUT            1
+
+#define FSR3UPSCALER_BIND_UAV_UPSCALED_OUTPUT       0
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                   0
+#define FSR3UPSCALER_BIND_CB_RCAS                   1
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_rcas.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 64
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_CB2_ROOTSIG_CONTENT
+void CS(uint3 LocalThreadId : SV_GroupThreadID, uint3 WorkGroupId : SV_GroupID, uint3 Dtid : SV_DispatchThreadID)
+{
+    RCAS(LocalThreadId, WorkGroupId, Dtid);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_rcas_pass.hlsl.meta

@@ -0,0 +1,7 @@
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+  externalObjects: {}
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Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_reconstruct_previous_depth_pass.hlsl

@@ -0,0 +1,64 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS                  0
+#define FSR3UPSCALER_BIND_SRV_INPUT_DEPTH                           1
+#define FSR3UPSCALER_BIND_SRV_INPUT_COLOR                           2
+#define FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE                        3
+
+#define FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH      0
+#define FSR3UPSCALER_BIND_UAV_DILATED_MOTION_VECTORS                1
+#define FSR3UPSCALER_BIND_UAV_DILATED_DEPTH                         2
+#define FSR3UPSCALER_BIND_UAV_LOCK_INPUT_LUMA                       3
+
+#define FSR3UPSCALER_BIND_CB_FSR3UPSCALER                           0
+
+#include "fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_common.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_sample.h"
+#include "fsr3upscaler/ffx_fsr3upscaler_reconstruct_dilated_velocity_and_previous_depth.h"
+
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#define FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT 8
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT
+#ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#define FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH 1
+#endif // #ifndef FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH
+#ifndef FFX_FSR3UPSCALER_NUM_THREADS
+#define FFX_FSR3UPSCALER_NUM_THREADS [numthreads(FFX_FSR3UPSCALER_THREAD_GROUP_WIDTH, FFX_FSR3UPSCALER_THREAD_GROUP_HEIGHT, FFX_FSR3UPSCALER_THREAD_GROUP_DEPTH)]
+#endif // #ifndef FFX_FSR3UPSCALER_NUM_THREADS
+
+FFX_PREFER_WAVE64
+FFX_FSR3UPSCALER_NUM_THREADS
+FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+void CS(
+    int2 iGroupId : SV_GroupID,
+    int2 iDispatchThreadId : SV_DispatchThreadID,
+    int2 iGroupThreadId : SV_GroupThreadID,
+    int iGroupIndex : SV_GroupIndex
+)
+{
+    ReconstructAndDilate(iDispatchThreadId);
+}

Assets/Resources/FSR3/shaders/ffx_fsr3upscaler_reconstruct_previous_depth_pass.hlsl.meta

@@ -0,0 +1,7 @@
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Assets/Resources/FSR3/shaders/fsr3upscaler.meta

@@ -0,0 +1,8 @@
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+  userData: 
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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_common_types.h

@@ -0,0 +1,520 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_COMMON_TYPES_H
+#define FFX_COMMON_TYPES_H
+
+#if defined(FFX_CPU)
+#define FFX_PARAMETER_IN
+#define FFX_PARAMETER_OUT
+#define FFX_PARAMETER_INOUT
+#define FFX_PARAMETER_UNIFORM
+#elif defined(FFX_HLSL)
+#define FFX_PARAMETER_IN        in
+#define FFX_PARAMETER_OUT       out
+#define FFX_PARAMETER_INOUT     inout
+#define FFX_PARAMETER_UNIFORM uniform
+#elif defined(FFX_GLSL)
+#define FFX_PARAMETER_IN        in
+#define FFX_PARAMETER_OUT       out
+#define FFX_PARAMETER_INOUT     inout
+#define FFX_PARAMETER_UNIFORM const //[cacao_placeholder] until a better fit is found!
+#endif // #if defined(FFX_CPU)
+
+#if defined(FFX_CPU)
+/// A typedef for a boolean value.
+///
+/// @ingroup CPUTypes
+typedef bool FfxBoolean;
+
+/// A typedef for a unsigned 8bit integer.
+///
+/// @ingroup CPUTypes
+typedef uint8_t FfxUInt8;
+
+/// A typedef for a unsigned 16bit integer.
+///
+/// @ingroup CPUTypes
+typedef uint16_t FfxUInt16;
+
+/// A typedef for a unsigned 32bit integer.
+///
+/// @ingroup CPUTypes
+typedef uint32_t FfxUInt32;
+
+/// A typedef for a unsigned 64bit integer.
+///
+/// @ingroup CPUTypes
+typedef uint64_t FfxUInt64;
+
+/// A typedef for a signed 8bit integer.
+///
+/// @ingroup CPUTypes
+typedef int8_t FfxInt8;
+
+/// A typedef for a signed 16bit integer.
+///
+/// @ingroup CPUTypes
+typedef int16_t FfxInt16;
+
+/// A typedef for a signed 32bit integer.
+///
+/// @ingroup CPUTypes
+typedef int32_t FfxInt32;
+
+/// A typedef for a signed 64bit integer.
+///
+/// @ingroup CPUTypes
+typedef int64_t FfxInt64;
+
+/// A typedef for a floating point value.
+///
+/// @ingroup CPUTypes
+typedef float FfxFloat32;
+
+/// A typedef for a 2-dimensional floating point value.
+///
+/// @ingroup CPUTypes
+typedef float FfxFloat32x2[2];
+
+/// A typedef for a 3-dimensional floating point value.
+///
+/// @ingroup CPUTypes
+typedef float FfxFloat32x3[3];
+
+/// A typedef for a 4-dimensional floating point value.
+///
+/// @ingroup CPUTypes
+typedef float FfxFloat32x4[4];
+
+/// A typedef for a 2-dimensional 32bit unsigned integer.
+///
+/// @ingroup CPUTypes
+typedef uint32_t FfxUInt32x2[2];
+
+/// A typedef for a 3-dimensional 32bit unsigned integer.
+///
+/// @ingroup CPUTypes
+typedef uint32_t FfxUInt32x3[3];
+
+/// A typedef for a 4-dimensional 32bit unsigned integer.
+///
+/// @ingroup CPUTypes
+typedef uint32_t FfxUInt32x4[4];
+#endif // #if defined(FFX_CPU)
+
+#if defined(FFX_HLSL)
+
+#define FfxFloat32Mat4 matrix <float, 4, 4>
+#define FfxFloat32Mat3 matrix <float, 3, 3>
+
+/// A typedef for a boolean value.
+///
+/// @ingroup HLSLTypes
+typedef bool FfxBoolean;
+
+#if FFX_HLSL_SM>=62
+
+/// @defgroup HLSL62Types HLSL 6.2 And Above Types
+/// HLSL 6.2 and above type defines for all commonly used variables
+/// 
+/// @ingroup HLSLTypes
+
+/// A typedef for a floating point value.
+///
+/// @ingroup HLSL62Types
+typedef float32_t   FfxFloat32;
+
+/// A typedef for a 2-dimensional floating point value.
+///
+/// @ingroup HLSL62Types
+typedef float32_t2  FfxFloat32x2;
+
+/// A typedef for a 3-dimensional floating point value.
+///
+/// @ingroup HLSL62Types
+typedef float32_t3  FfxFloat32x3;
+
+/// A typedef for a 4-dimensional floating point value.
+///
+/// @ingroup HLSL62Types
+typedef float32_t4  FfxFloat32x4;
+
+/// A [cacao_placeholder] typedef for matrix type until confirmed.
+typedef float4x4 FfxFloat32x4x4;
+typedef float3x3 FfxFloat32x3x3;
+typedef float2x2 FfxFloat32x2x2;
+
+/// A typedef for a unsigned 32bit integer.
+///
+/// @ingroup HLSL62Types
+typedef uint32_t    FfxUInt32;
+
+/// A typedef for a 2-dimensional 32bit unsigned integer.
+///
+/// @ingroup HLSL62Types
+typedef uint32_t2   FfxUInt32x2;
+
+/// A typedef for a 3-dimensional 32bit unsigned integer.
+///
+/// @ingroup HLSL62Types
+typedef uint32_t3   FfxUInt32x3;
+
+/// A typedef for a 4-dimensional 32bit unsigned integer.
+///
+/// @ingroup HLSL62Types
+typedef uint32_t4   FfxUInt32x4;
+
+/// A typedef for a signed 32bit integer.
+///
+/// @ingroup HLSL62Types
+typedef int32_t     FfxInt32;
+
+/// A typedef for a 2-dimensional signed 32bit integer.
+///
+/// @ingroup HLSL62Types
+typedef int32_t2    FfxInt32x2;
+
+/// A typedef for a 3-dimensional signed 32bit integer.
+///
+/// @ingroup HLSL62Types
+typedef int32_t3    FfxInt32x3;
+
+/// A typedef for a 4-dimensional signed 32bit integer.
+///
+/// @ingroup HLSL62Types
+typedef int32_t4    FfxInt32x4;
+
+#else // #if FFX_HLSL_SM>=62
+
+/// @defgroup HLSLBaseTypes HLSL 6.1 And Below Types
+/// HLSL 6.1 and below type defines for all commonly used variables
+/// 
+/// @ingroup HLSLTypes
+
+#define FfxFloat32   float
+#define FfxFloat32x2 float2
+#define FfxFloat32x3 float3
+#define FfxFloat32x4 float4
+
+/// A [cacao_placeholder] typedef for matrix type until confirmed.
+#define FfxFloat32x4x4 float4x4
+#define FfxFloat32x3x3 float3x3
+#define FfxFloat32x2x2 float2x2
+
+/// A typedef for a unsigned 32bit integer.
+///
+/// @ingroup GPU
+typedef uint        FfxUInt32;
+typedef uint2       FfxUInt32x2;
+typedef uint3       FfxUInt32x3;
+typedef uint4       FfxUInt32x4;
+
+typedef int         FfxInt32;
+typedef int2        FfxInt32x2;
+typedef int3        FfxInt32x3;
+typedef int4        FfxInt32x4;
+
+#endif // #if FFX_HLSL_SM>=62
+
+#if FFX_HALF
+
+#if FFX_HLSL_SM >= 62
+
+typedef float16_t   FfxFloat16;
+typedef float16_t2  FfxFloat16x2;
+typedef float16_t3  FfxFloat16x3;
+typedef float16_t4  FfxFloat16x4;
+
+/// A typedef for an unsigned 16bit integer.
+///
+/// @ingroup HLSLTypes
+typedef uint16_t    FfxUInt16;
+typedef uint16_t2   FfxUInt16x2;
+typedef uint16_t3   FfxUInt16x3;
+typedef uint16_t4   FfxUInt16x4;
+
+/// A typedef for a signed 16bit integer.
+///
+/// @ingroup HLSLTypes
+typedef int16_t     FfxInt16;
+typedef int16_t2    FfxInt16x2;
+typedef int16_t3    FfxInt16x3;
+typedef int16_t4    FfxInt16x4;
+#else // #if FFX_HLSL_SM>=62
+typedef min16float  FfxFloat16;
+typedef min16float2 FfxFloat16x2;
+typedef min16float3 FfxFloat16x3;
+typedef min16float4 FfxFloat16x4;
+
+/// A typedef for an unsigned 16bit integer.
+///
+/// @ingroup HLSLTypes
+typedef min16uint   FfxUInt16;
+typedef min16uint2  FfxUInt16x2;
+typedef min16uint3  FfxUInt16x3;
+typedef min16uint4  FfxUInt16x4;
+
+/// A typedef for a signed 16bit integer.
+///
+/// @ingroup HLSLTypes
+typedef min16int    FfxInt16;
+typedef min16int2   FfxInt16x2;
+typedef min16int3   FfxInt16x3;
+typedef min16int4   FfxInt16x4;
+#endif  // #if FFX_HLSL_SM>=62
+
+#endif // FFX_HALF
+
+#endif // #if defined(FFX_HLSL)
+
+#if defined(FFX_GLSL)
+
+#define FfxFloat32Mat4 mat4
+#define FfxFloat32Mat3 mat3
+
+/// A typedef for a boolean value.
+///
+/// @ingroup GLSLTypes
+#define FfxBoolean   bool
+#define FfxFloat32   float
+#define FfxFloat32x2 vec2
+#define FfxFloat32x3 vec3
+#define FfxFloat32x4 vec4
+#define FfxUInt32    uint
+#define FfxUInt32x2  uvec2
+#define FfxUInt32x3  uvec3
+#define FfxUInt32x4  uvec4
+#define FfxInt32     int
+#define FfxInt32x2   ivec2
+#define FfxInt32x3   ivec3
+#define FfxInt32x4   ivec4
+
+/// A [cacao_placeholder] typedef for matrix type until confirmed.
+#define FfxFloat32x4x4 mat4
+#define FfxFloat32x3x3 mat3
+#define FfxFloat32x2x2 mat2
+
+#if FFX_HALF
+#define FfxFloat16   float16_t
+#define FfxFloat16x2 f16vec2
+#define FfxFloat16x3 f16vec3
+#define FfxFloat16x4 f16vec4
+#define FfxUInt16    uint16_t
+#define FfxUInt16x2  u16vec2
+#define FfxUInt16x3  u16vec3
+#define FfxUInt16x4  u16vec4
+#define FfxInt16     int16_t
+#define FfxInt16x2   i16vec2
+#define FfxInt16x3   i16vec3
+#define FfxInt16x4   i16vec4
+#endif // FFX_HALF
+#endif // #if defined(FFX_GLSL)
+
+// Global toggles:
+// #define FFX_HALF            (1)
+// #define FFX_HLSL_SM         (62)
+
+#if FFX_HALF
+
+#if FFX_HLSL_SM >= 62
+
+#define FFX_MIN16_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType##16_t TypeName;
+#define FFX_MIN16_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType##16_t, COL> TypeName;
+#define FFX_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType##16_t, ROW, COL> TypeName;
+
+#define FFX_16BIT_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType##16_t TypeName;
+#define FFX_16BIT_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType##16_t, COL> TypeName;
+#define FFX_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType##16_t, ROW, COL> TypeName;
+
+#else //FFX_HLSL_SM>=62
+
+#define FFX_MIN16_SCALAR( TypeName, BaseComponentType )           typedef min16##BaseComponentType TypeName;
+#define FFX_MIN16_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<min16##BaseComponentType, COL> TypeName;
+#define FFX_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<min16##BaseComponentType, ROW, COL> TypeName;
+
+#define FFX_16BIT_SCALAR( TypeName, BaseComponentType )           FFX_MIN16_SCALAR( TypeName, BaseComponentType );
+#define FFX_16BIT_VECTOR( TypeName, BaseComponentType, COL )      FFX_MIN16_VECTOR( TypeName, BaseComponentType, COL );
+#define FFX_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) FFX_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL );
+
+#endif //FFX_HLSL_SM>=62
+
+#else //FFX_HALF
+
+#define FFX_MIN16_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;
+#define FFX_MIN16_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType, COL> TypeName;
+#define FFX_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType, ROW, COL> TypeName;
+
+#define FFX_16BIT_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;
+#define FFX_16BIT_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType, COL> TypeName;
+#define FFX_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType, ROW, COL> TypeName;
+
+#endif //FFX_HALF
+
+#if defined(FFX_GPU)
+// Common typedefs:
+#if defined(FFX_HLSL)
+FFX_MIN16_SCALAR( FFX_MIN16_F , float );
+FFX_MIN16_VECTOR( FFX_MIN16_F2, float, 2 );
+FFX_MIN16_VECTOR( FFX_MIN16_F3, float, 3 );
+FFX_MIN16_VECTOR( FFX_MIN16_F4, float, 4 );
+
+FFX_MIN16_SCALAR( FFX_MIN16_I,  int );
+FFX_MIN16_VECTOR( FFX_MIN16_I2, int, 2 );
+FFX_MIN16_VECTOR( FFX_MIN16_I3, int, 3 );
+FFX_MIN16_VECTOR( FFX_MIN16_I4, int, 4 );
+
+FFX_MIN16_SCALAR( FFX_MIN16_U,  uint );
+FFX_MIN16_VECTOR( FFX_MIN16_U2, uint, 2 );
+FFX_MIN16_VECTOR( FFX_MIN16_U3, uint, 3 );
+FFX_MIN16_VECTOR( FFX_MIN16_U4, uint, 4 );
+
+FFX_16BIT_SCALAR( FFX_F16_t , float );
+FFX_16BIT_VECTOR( FFX_F16_t2, float, 2 );
+FFX_16BIT_VECTOR( FFX_F16_t3, float, 3 );
+FFX_16BIT_VECTOR( FFX_F16_t4, float, 4 );
+
+FFX_16BIT_SCALAR( FFX_I16_t,  int );
+FFX_16BIT_VECTOR( FFX_I16_t2, int, 2 );
+FFX_16BIT_VECTOR( FFX_I16_t3, int, 3 );
+FFX_16BIT_VECTOR( FFX_I16_t4, int, 4 );
+
+FFX_16BIT_SCALAR( FFX_U16_t,  uint );
+FFX_16BIT_VECTOR( FFX_U16_t2, uint, 2 );
+FFX_16BIT_VECTOR( FFX_U16_t3, uint, 3 );
+FFX_16BIT_VECTOR( FFX_U16_t4, uint, 4 );
+
+#define TYPEDEF_MIN16_TYPES(Prefix)           \
+typedef FFX_MIN16_F     Prefix##_F;           \
+typedef FFX_MIN16_F2    Prefix##_F2;          \
+typedef FFX_MIN16_F3    Prefix##_F3;          \
+typedef FFX_MIN16_F4    Prefix##_F4;          \
+typedef FFX_MIN16_I     Prefix##_I;           \
+typedef FFX_MIN16_I2    Prefix##_I2;          \
+typedef FFX_MIN16_I3    Prefix##_I3;          \
+typedef FFX_MIN16_I4    Prefix##_I4;          \
+typedef FFX_MIN16_U     Prefix##_U;           \
+typedef FFX_MIN16_U2    Prefix##_U2;          \
+typedef FFX_MIN16_U3    Prefix##_U3;          \
+typedef FFX_MIN16_U4    Prefix##_U4;
+
+#define TYPEDEF_16BIT_TYPES(Prefix)           \
+typedef FFX_16BIT_F     Prefix##_F;           \
+typedef FFX_16BIT_F2    Prefix##_F2;          \
+typedef FFX_16BIT_F3    Prefix##_F3;          \
+typedef FFX_16BIT_F4    Prefix##_F4;          \
+typedef FFX_16BIT_I     Prefix##_I;           \
+typedef FFX_16BIT_I2    Prefix##_I2;          \
+typedef FFX_16BIT_I3    Prefix##_I3;          \
+typedef FFX_16BIT_I4    Prefix##_I4;          \
+typedef FFX_16BIT_U     Prefix##_U;           \
+typedef FFX_16BIT_U2    Prefix##_U2;          \
+typedef FFX_16BIT_U3    Prefix##_U3;          \
+typedef FFX_16BIT_U4    Prefix##_U4;
+
+#define TYPEDEF_FULL_PRECISION_TYPES(Prefix)  \
+typedef FfxFloat32      Prefix##_F;           \
+typedef FfxFloat32x2    Prefix##_F2;          \
+typedef FfxFloat32x3    Prefix##_F3;          \
+typedef FfxFloat32x4    Prefix##_F4;          \
+typedef FfxInt32        Prefix##_I;           \
+typedef FfxInt32x2      Prefix##_I2;          \
+typedef FfxInt32x3      Prefix##_I3;          \
+typedef FfxInt32x4      Prefix##_I4;          \
+typedef FfxUInt32       Prefix##_U;           \
+typedef FfxUInt32x2     Prefix##_U2;          \
+typedef FfxUInt32x3     Prefix##_U3;          \
+typedef FfxUInt32x4     Prefix##_U4;
+#endif // #if defined(FFX_HLSL)
+
+#if defined(FFX_GLSL)
+
+#if FFX_HALF
+
+#define  FFX_MIN16_F  float16_t
+#define  FFX_MIN16_F2 f16vec2
+#define  FFX_MIN16_F3 f16vec3
+#define  FFX_MIN16_F4 f16vec4
+
+#define  FFX_MIN16_I  int16_t
+#define  FFX_MIN16_I2 i16vec2
+#define  FFX_MIN16_I3 i16vec3
+#define  FFX_MIN16_I4 i16vec4
+
+#define  FFX_MIN16_U  uint16_t
+#define  FFX_MIN16_U2 u16vec2
+#define  FFX_MIN16_U3 u16vec3
+#define  FFX_MIN16_U4 u16vec4
+
+#define FFX_16BIT_F  float16_t
+#define FFX_16BIT_F2 f16vec2
+#define FFX_16BIT_F3 f16vec3
+#define FFX_16BIT_F4 f16vec4
+
+#define FFX_16BIT_I  int16_t
+#define FFX_16BIT_I2 i16vec2
+#define FFX_16BIT_I3 i16vec3
+#define FFX_16BIT_I4 i16vec4
+
+#define FFX_16BIT_U  uint16_t
+#define FFX_16BIT_U2 u16vec2
+#define FFX_16BIT_U3 u16vec3
+#define FFX_16BIT_U4 u16vec4
+
+#else // FFX_HALF
+
+#define  FFX_MIN16_F  float
+#define  FFX_MIN16_F2 vec2
+#define  FFX_MIN16_F3 vec3
+#define  FFX_MIN16_F4 vec4
+
+#define  FFX_MIN16_I  int
+#define  FFX_MIN16_I2 ivec2
+#define  FFX_MIN16_I3 ivec3
+#define  FFX_MIN16_I4 ivec4
+
+#define  FFX_MIN16_U  uint
+#define  FFX_MIN16_U2 uvec2
+#define  FFX_MIN16_U3 uvec3
+#define  FFX_MIN16_U4 uvec4
+
+#define FFX_16BIT_F  float
+#define FFX_16BIT_F2 vec2
+#define FFX_16BIT_F3 vec3
+#define FFX_16BIT_F4 vec4
+
+#define FFX_16BIT_I  int
+#define FFX_16BIT_I2 ivec2
+#define FFX_16BIT_I3 ivec3
+#define FFX_16BIT_I4 ivec4
+
+#define FFX_16BIT_U  uint
+#define FFX_16BIT_U2 uvec2
+#define FFX_16BIT_U3 uvec3
+#define FFX_16BIT_U4 uvec4
+
+#endif // FFX_HALF
+
+#endif // #if defined(FFX_GLSL)
+
+#endif // #if defined(FFX_GPU)
+#endif // #ifndef FFX_COMMON_TYPES_H

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_common_types.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core.h

@@ -0,0 +1,80 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+/// @defgroup FfxGPU GPU
+/// The FidelityFX SDK GPU References
+/// 
+/// @ingroup ffxSDK
+
+/// @defgroup FfxHLSL HLSL References
+/// FidelityFX SDK HLSL GPU References
+/// 
+/// @ingroup FfxGPU
+
+/// @defgroup FfxGLSL GLSL References
+/// FidelityFX SDK GLSL GPU References
+/// 
+/// @ingroup FfxGPU
+
+/// @defgroup FfxGPUEffects FidelityFX GPU References
+/// FidelityFX Effect GPU Reference Documentation
+/// 
+/// @ingroup FfxGPU
+
+/// @defgroup GPUCore GPU Core
+/// GPU defines and functions
+/// 
+/// @ingroup FfxGPU
+
+#if !defined(FFX_CORE_H)
+#define FFX_CORE_H
+
+#ifdef __hlsl_dx_compiler
+#pragma dxc diagnostic push
+#pragma dxc diagnostic ignored "-Wambig-lit-shift"
+#endif  //__hlsl_dx_compiler
+
+#include "ffx_common_types.h"
+
+#if defined(FFX_CPU)
+    #include "ffx_core_cpu.h"
+#endif // #if defined(FFX_CPU)
+
+#if defined(FFX_GLSL) && defined(FFX_GPU)
+    #include "ffx_core_glsl.h"
+#endif // #if defined(FFX_GLSL) && defined(FFX_GPU)
+
+#if defined(FFX_HLSL) && defined(FFX_GPU)
+    #include "ffx_core_hlsl.h"
+#endif // #if defined(FFX_HLSL) && defined(FFX_GPU)
+
+#if defined(FFX_GPU)
+    #include "ffx_core_gpu_common.h"
+    #include "ffx_core_gpu_common_half.h"
+    #include "ffx_core_portability.h"
+#endif // #if defined(FFX_GPU)
+
+#ifdef __hlsl_dx_compiler
+#pragma dxc diagnostic pop
+#endif  //__hlsl_dx_compiler
+
+#endif // #if !defined(FFX_CORE_H)

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core_cpu.h

@@ -0,0 +1,338 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+/// A define for a true value in a boolean expression.
+///
+/// @ingroup CPUTypes
+#define FFX_TRUE (1)
+
+/// A define for a false value in a boolean expression.
+///
+/// @ingroup CPUTypes
+#define FFX_FALSE (0)
+ 
+#if !defined(FFX_STATIC)
+/// A define to abstract declaration of static variables and functions.
+///
+/// @ingroup CPUTypes
+#define FFX_STATIC static
+#endif // #if !defined(FFX_STATIC)
+
+/// @defgroup CPUCore CPU Core
+/// Core CPU-side defines and functions
+/// 
+/// @ingroup ffxHost
+
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wunused-variable"
+#endif
+
+/// Interpret the bit layout of an IEEE-754 floating point value as an unsigned integer.
+///
+/// @param [in] x               A 32bit floating value.
+///
+/// @returns
+/// An unsigned 32bit integer value containing the bit pattern of <c><i>x</i></c>.
+/// 
+/// @ingroup CPUCore
+FFX_STATIC FfxUInt32 ffxAsUInt32(FfxFloat32 x)
+{
+    union
+    {
+        FfxFloat32 f;
+        FfxUInt32  u;
+    } bits;
+
+    bits.f = x;
+    return bits.u;
+}
+
+FFX_STATIC FfxFloat32 ffxDot2(FfxFloat32x2 a, FfxFloat32x2 b)
+{
+    return a[0] * b[0] + a[1] * b[1];
+}
+
+FFX_STATIC FfxFloat32 ffxDot3(FfxFloat32x3 a, FfxFloat32x3 b)
+{
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+}
+
+FFX_STATIC FfxFloat32 ffxDot4(FfxFloat32x4 a, FfxFloat32x4 b)
+{
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+}
+
+/// Compute the linear interopation between two values.
+///
+/// Implemented by calling the GLSL <c><i>mix</i></c> instrinsic function. Implements the
+/// following math:
+///
+///     (1 - t) * x + t * y
+///
+/// @param [in] x               The first value to lerp between.
+/// @param [in] y               The second value to lerp between.
+/// @param [in] t               The value to determine how much of <c><i>x</i></c> and how much of <c><i>y</i></c>.
+///
+/// @returns
+/// A linearly interpolated value between <c><i>x</i></c> and <c><i>y</i></c> according to <c><i>t</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 ffxLerp(FfxFloat32 x, FfxFloat32 y, FfxFloat32 t)
+{
+    return y * t + (-x * t + x);
+}
+
+/// Compute the reciprocal of a value.
+///
+/// @param [in] x               The value to compute the reciprocal for.
+///
+/// @returns
+/// The reciprocal value of <c><i>x</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 ffxReciprocal(FfxFloat32 x)
+{
+    return 1.0f / x;
+}
+
+/// Compute the square root of a value.
+///
+/// @param [in] x                   The first value to compute the min of.
+///
+/// @returns
+/// The the square root of <c><i>x</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 ffxSqrt(FfxFloat32 x)
+{
+    return sqrt(x);
+}
+
+FFX_STATIC FfxUInt32 AShrSU1(FfxUInt32 a, FfxUInt32 b)
+{
+    return FfxUInt32(FfxInt32(a) >> FfxInt32(b));
+}
+
+/// Compute the factional part of a decimal value.
+///
+/// This function calculates <c><i>x - floor(x)</i></c>. 
+///
+/// @param [in] x               The value to compute the fractional part from.
+///
+/// @returns
+/// The fractional part of <c><i>x</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 ffxFract(FfxFloat32 x)
+{
+    return x - floor(x);
+}
+
+/// Compute the reciprocal square root of a value.
+///
+/// @param [in] x               The value to compute the reciprocal for.
+///
+/// @returns
+/// The reciprocal square root value of <c><i>x</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 rsqrt(FfxFloat32 x)
+{
+    return ffxReciprocal(ffxSqrt(x));
+}
+
+FFX_STATIC FfxFloat32 ffxMin(FfxFloat32 x, FfxFloat32 y)
+{
+    return x < y ? x : y;
+}
+
+FFX_STATIC FfxUInt32 ffxMin(FfxUInt32 x, FfxUInt32 y)
+{
+    return x < y ? x : y;
+}
+
+FFX_STATIC FfxFloat32 ffxMax(FfxFloat32 x, FfxFloat32 y)
+{
+    return x > y ? x : y;
+}
+
+FFX_STATIC FfxUInt32 ffxMax(FfxUInt32 x, FfxUInt32 y)
+{
+    return x > y ? x : y;
+}
+
+/// Clamp a value to a [0..1] range.
+///
+/// @param [in] x               The value to clamp to [0..1] range.
+///
+/// @returns
+/// The clamped version of <c><i>x</i></c>.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxFloat32 ffxSaturate(FfxFloat32 x)
+{
+    return ffxMin(1.0f, ffxMax(0.0f, x));
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+FFX_STATIC void opAAddOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b)
+{
+    d[0] = a[0] + b;
+    d[1] = a[1] + b;
+    d[2] = a[2] + b;
+    return;
+}
+
+FFX_STATIC void opACpyF3(FfxFloat32x3 d, FfxFloat32x3 a)
+{
+    d[0] = a[0];
+    d[1] = a[1];
+    d[2] = a[2];
+    return;
+}
+
+FFX_STATIC void opAMulF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32x3 b)
+{
+    d[0] = a[0] * b[0];
+    d[1] = a[1] * b[1];
+    d[2] = a[2] * b[2];
+    return;
+}
+
+FFX_STATIC void opAMulOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b)
+{
+    d[0] = a[0] * b;
+    d[1] = a[1] * b;
+    d[2] = a[2] * b;
+    return;
+}
+
+FFX_STATIC void opARcpF3(FfxFloat32x3 d, FfxFloat32x3 a)
+{
+    d[0] = ffxReciprocal(a[0]);
+    d[1] = ffxReciprocal(a[1]);
+    d[2] = ffxReciprocal(a[2]);
+    return;
+}
+
+/// Convert FfxFloat32 to half (in lower 16-bits of output).
+/// 
+/// This function implements the same fast technique that is documented here: ftp://ftp.fox-toolkit.org/pub/fasthalffloatconversion.pdf
+/// 
+/// The function supports denormals.
+/// 
+/// Some conversion rules are to make computations possibly "safer" on the GPU,
+///  -INF & -NaN -> -65504
+///  +INF & +NaN -> +65504
+///
+/// @param [in] f               The 32bit floating point value to convert.
+/// 
+/// @returns
+/// The closest 16bit floating point value to <c><i>f</i></c>.
+/// 
+/// @ingroup CPUCore
+FFX_STATIC FfxUInt32 f32tof16(FfxFloat32 f)
+{
+    static FfxUInt16 base[512] = {
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, 0x0100, 0x0200, 0x0400,
+        0x0800, 0x0c00, 0x1000, 0x1400, 0x1800, 0x1c00, 0x2000, 0x2400, 0x2800, 0x2c00, 0x3000, 0x3400, 0x3800, 0x3c00, 0x4000, 0x4400, 0x4800, 0x4c00, 0x5000,
+        0x5400, 0x5800, 0x5c00, 0x6000, 0x6400, 0x6800, 0x6c00, 0x7000, 0x7400, 0x7800, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff,
+        0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
+        0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
+        0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
+        0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
+        0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
+        0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8001, 0x8002,
+        0x8004, 0x8008, 0x8010, 0x8020, 0x8040, 0x8080, 0x8100, 0x8200, 0x8400, 0x8800, 0x8c00, 0x9000, 0x9400, 0x9800, 0x9c00, 0xa000, 0xa400, 0xa800, 0xac00,
+        0xb000, 0xb400, 0xb800, 0xbc00, 0xc000, 0xc400, 0xc800, 0xcc00, 0xd000, 0xd400, 0xd800, 0xdc00, 0xe000, 0xe400, 0xe800, 0xec00, 0xf000, 0xf400, 0xf800,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff,
+        0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff
+    };
+    
+    static FfxUInt8 shift[512] = {
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d,
+        0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d,
+        0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+        0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18
+    };
+
+    union
+    {
+        FfxFloat32      f;
+        FfxUInt32 u;
+    } bits;
+
+    bits.f       = f;
+    FfxUInt32 u = bits.u;
+    FfxUInt32 i = u >> 23;
+    return (FfxUInt32)(base[i]) + ((u & 0x7fffff) >> shift[i]);
+}
+
+/// Pack 2x32-bit floating point values in a single 32bit value.
+///
+/// This function first converts each component of <c><i>value</i></c> into their nearest 16-bit floating
+/// point representation, and then stores the X and Y components in the lower and upper 16 bits of the
+/// 32bit unsigned integer respectively.
+///
+/// @param [in] x               A 2-dimensional floating point value to convert and pack.
+///
+/// @returns
+/// A packed 32bit value containing 2 16bit floating point values.
+///
+/// @ingroup CPUCore
+FFX_STATIC FfxUInt32 packHalf2x16(FfxFloat32x2 x)
+{
+    return f32tof16(x[0]) + (f32tof16(x[1]) << 16);
+}

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core_gpu_common_half.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core_hlsl.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core_portability.h

@@ -0,0 +1,51 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+FfxFloat32x3 opAAddOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b)
+{
+    d = a + ffxBroadcast3(b);
+    return d;
+}
+
+FfxFloat32x3 opACpyF3(FfxFloat32x3 d, FfxFloat32x3 a)
+{
+    d = a;
+    return d;
+}
+
+FfxFloat32x3 opAMulF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32x3 b)
+{
+    d = a * b;
+    return d;
+}
+
+FfxFloat32x3 opAMulOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b)
+{
+    d = a * ffxBroadcast3(b);
+    return d;
+}
+
+FfxFloat32x3 opARcpF3(FfxFloat32x3 d, FfxFloat32x3 a)
+{
+    d = rcp(a);
+    return d;
+}

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_core_portability.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_accumulate.h

@@ -0,0 +1,288 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_ACCUMULATE_H
+#define FFX_FSR3UPSCALER_ACCUMULATE_H
+
+FfxFloat32 GetPxHrVelocity(FfxFloat32x2 fMotionVector)
+{
+    return length(fMotionVector * DisplaySize());
+}
+#if FFX_HALF
+FFX_MIN16_F GetPxHrVelocity(FFX_MIN16_F2 fMotionVector)
+{
+    return length(fMotionVector * FFX_MIN16_F2(DisplaySize()));
+}
+#endif
+
+void Accumulate(const AccumulationPassCommonParams params, FFX_PARAMETER_INOUT FfxFloat32x3 fHistoryColor, FfxFloat32x3 fAccumulation, FFX_PARAMETER_IN FfxFloat32x4 fUpsampledColorAndWeight)
+{
+    // Aviod invalid values when accumulation and upsampled weight is 0
+    fAccumulation = ffxMax(FSR3UPSCALER_EPSILON.xxx, fAccumulation + fUpsampledColorAndWeight.www);
+
+#if FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+    //YCoCg -> RGB -> Tonemap -> YCoCg (Use RGB tonemapper to avoid color desaturation)
+    fUpsampledColorAndWeight.xyz = RGBToYCoCg(Tonemap(YCoCgToRGB(fUpsampledColorAndWeight.xyz)));
+    fHistoryColor = RGBToYCoCg(Tonemap(YCoCgToRGB(fHistoryColor)));
+#endif
+
+    const FfxFloat32x3 fAlpha = fUpsampledColorAndWeight.www / fAccumulation;
+    fHistoryColor = ffxLerp(fHistoryColor, fUpsampledColorAndWeight.xyz, fAlpha);
+
+    fHistoryColor = YCoCgToRGB(fHistoryColor);
+
+#if FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+    fHistoryColor = InverseTonemap(fHistoryColor);
+#endif
+}
+
+void RectifyHistory(
+    const AccumulationPassCommonParams params,
+    RectificationBox clippingBox,
+    FFX_PARAMETER_INOUT FfxFloat32x3 fHistoryColor,
+    FFX_PARAMETER_INOUT FfxFloat32x3 fAccumulation,
+    FfxFloat32 fLockContributionThisFrame,
+    FfxFloat32 fTemporalReactiveFactor,
+    FfxFloat32 fLumaInstabilityFactor)
+{
+    const FfxFloat32 fVecolityFactor = ffxSaturate(params.fHrVelocity / 20.0f);
+    const FfxFloat32 fBoxScaleT = ffxMax(params.fDepthClipFactor, ffxMax(params.fAccumulationMask, fVecolityFactor));
+    const FfxFloat32 fBoxScale = ffxLerp(3.0f, 1.0f, fBoxScaleT);
+
+    const FfxFloat32x3 fScaledBoxVec = clippingBox.boxVec * fBoxScale;
+    const FfxFloat32x3 boxMin = clippingBox.boxCenter - fScaledBoxVec;
+    const FfxFloat32x3 boxMax = clippingBox.boxCenter + fScaledBoxVec;
+
+    if (any(FFX_GREATER_THAN(boxMin, fHistoryColor)) || any(FFX_GREATER_THAN(fHistoryColor, boxMax))) {
+
+        const FfxFloat32x3 fClampedHistoryColor = clamp(fHistoryColor, boxMin, boxMax);
+
+        FfxFloat32x3 fHistoryContribution = ffxMax(fLumaInstabilityFactor, fLockContributionThisFrame).xxx;
+        
+        const FfxFloat32 fReactiveFactor = params.fDilatedReactiveFactor;
+        const FfxFloat32 fReactiveContribution = 1.0f - ffxPow(fReactiveFactor, 1.0f / 2.0f);
+        fHistoryContribution *= fReactiveContribution;
+
+        // Scale history color using rectification info, also using accumulation mask to avoid potential invalid color protection
+        fHistoryColor = ffxLerp(fClampedHistoryColor, fHistoryColor, ffxSaturate(fHistoryContribution));
+
+        // Scale accumulation using rectification info
+        const FfxFloat32x3 fAccumulationMin = ffxMin(fAccumulation, FFX_BROADCAST_FLOAT32X3(0.1f));
+        fAccumulation = ffxLerp(fAccumulationMin, fAccumulation, ffxSaturate(fHistoryContribution));
+    }
+}
+
+void WriteUpscaledOutput(FfxInt32x2 iPxHrPos, FfxFloat32x3 fUpscaledColor)
+{
+    StoreUpscaledOutput(iPxHrPos, fUpscaledColor);
+}
+
+void FinalizeLockStatus(const AccumulationPassCommonParams params, FfxFloat32x2 fLockStatus, FfxFloat32 fUpsampledWeight)
+{
+    // we expect similar motion for next frame
+    // kill lock if that location is outside screen, avoid locks to be clamped to screen borders
+    FfxFloat32x2 fEstimatedUvNextFrame = params.fHrUv - params.fMotionVector;
+    if (IsUvInside(fEstimatedUvNextFrame) == false) {
+        KillLock(fLockStatus);
+    }
+    else {
+        // Decrease lock lifetime
+        const FfxFloat32 fLifetimeDecreaseLanczosMax = FfxFloat32(JitterSequenceLength()) * FfxFloat32(fAverageLanczosWeightPerFrame);
+        const FfxFloat32 fLifetimeDecrease = FfxFloat32(fUpsampledWeight / fLifetimeDecreaseLanczosMax);
+        fLockStatus[LOCK_LIFETIME_REMAINING] = ffxMax(FfxFloat32(0), fLockStatus[LOCK_LIFETIME_REMAINING] - fLifetimeDecrease);
+    }
+
+    StoreLockStatus(params.iPxHrPos, fLockStatus);
+}
+
+
+FfxFloat32x3 ComputeBaseAccumulationWeight(const AccumulationPassCommonParams params, FfxFloat32 fThisFrameReactiveFactor, FfxBoolean bInMotionLastFrame, FfxFloat32 fUpsampledWeight, LockState lockState)
+{
+    // Always assume max accumulation was reached
+    FfxFloat32 fBaseAccumulation = fMaxAccumulationLanczosWeight * FfxFloat32(params.bIsExistingSample) * (1.0f - fThisFrameReactiveFactor) * (1.0f - params.fDepthClipFactor);
+
+    fBaseAccumulation = ffxMin(fBaseAccumulation, ffxLerp(fBaseAccumulation, fUpsampledWeight * 10.0f, ffxMax(FfxFloat32(bInMotionLastFrame), ffxSaturate(params.fHrVelocity * FfxFloat32(10)))));
+
+    fBaseAccumulation = ffxMin(fBaseAccumulation, ffxLerp(fBaseAccumulation, fUpsampledWeight, ffxSaturate(params.fHrVelocity / FfxFloat32(20))));
+
+    return fBaseAccumulation.xxx;
+}
+
+FfxFloat32 ComputeLumaInstabilityFactor(const AccumulationPassCommonParams params, RectificationBox clippingBox, FfxFloat32 fThisFrameReactiveFactor, FfxFloat32 fLuminanceDiff)
+{
+    const FfxFloat32 fUnormThreshold = 1.0f / 255.0f;
+    const FfxInt32 N_MINUS_1 = 0;
+    const FfxInt32 N_MINUS_2 = 1;
+    const FfxInt32 N_MINUS_3 = 2;
+    const FfxInt32 N_MINUS_4 = 3;
+
+    FfxFloat32 fCurrentFrameLuma = clippingBox.boxCenter.x;
+
+#if FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+    fCurrentFrameLuma = fCurrentFrameLuma / (1.0f + ffxMax(0.0f, fCurrentFrameLuma));
+#endif
+
+    fCurrentFrameLuma = round(fCurrentFrameLuma * 255.0f) / 255.0f;
+
+    const FfxBoolean bSampleLumaHistory = (ffxMax(ffxMax(params.fDepthClipFactor, params.fAccumulationMask), fLuminanceDiff) < 0.1f) && (params.bIsNewSample == false);
+    FfxFloat32x4 fCurrentFrameLumaHistory = bSampleLumaHistory ? SampleLumaHistory(params.fReprojectedHrUv) : FFX_BROADCAST_FLOAT32X4(0.0f);
+
+    FfxFloat32 fLumaInstability = 0.0f;
+    FfxFloat32 fDiffs0 = (fCurrentFrameLuma - fCurrentFrameLumaHistory[N_MINUS_1]);
+
+    FfxFloat32 fMin = abs(fDiffs0);
+
+    if (fMin >= fUnormThreshold) {
+        for (int i = N_MINUS_2; i <= N_MINUS_4; i++) {
+            FfxFloat32 fDiffs1 = (fCurrentFrameLuma - fCurrentFrameLumaHistory[i]);
+
+            if (sign(fDiffs0) == sign(fDiffs1)) {
+                
+                // Scale difference to protect historically similar values
+                const FfxFloat32 fMinBias = 1.0f;
+                fMin = ffxMin(fMin, abs(fDiffs1) * fMinBias);
+            }
+        }
+
+        const FfxFloat32 fBoxSize       = clippingBox.boxVec.x;
+        const FfxFloat32 fBoxSizeFactor = ffxPow(ffxSaturate(fBoxSize / 0.1f), 6.0f);
+
+        fLumaInstability = FfxFloat32(fMin != abs(fDiffs0)) * fBoxSizeFactor;
+        fLumaInstability = FfxFloat32(fLumaInstability > fUnormThreshold);
+
+        fLumaInstability *= 1.0f - ffxMax(params.fAccumulationMask, ffxPow(fThisFrameReactiveFactor, 1.0f / 6.0f));
+    }
+
+    //shift history
+    fCurrentFrameLumaHistory[N_MINUS_4] = fCurrentFrameLumaHistory[N_MINUS_3];
+    fCurrentFrameLumaHistory[N_MINUS_3] = fCurrentFrameLumaHistory[N_MINUS_2];
+    fCurrentFrameLumaHistory[N_MINUS_2] = fCurrentFrameLumaHistory[N_MINUS_1];
+    fCurrentFrameLumaHistory[N_MINUS_1] = fCurrentFrameLuma;
+
+    StoreLumaHistory(params.iPxHrPos, fCurrentFrameLumaHistory);
+
+    return fLumaInstability * FfxFloat32(fCurrentFrameLumaHistory[N_MINUS_4] != 0);
+}
+
+FfxFloat32 ComputeTemporalReactiveFactor(const AccumulationPassCommonParams params, FfxFloat32 fTemporalReactiveFactor)
+{
+    FfxFloat32 fNewFactor = ffxMin(0.99f, fTemporalReactiveFactor);
+
+    fNewFactor = ffxMax(fNewFactor, ffxLerp(fNewFactor, 0.4f, ffxSaturate(params.fHrVelocity)));
+
+    fNewFactor = ffxMax(fNewFactor * fNewFactor, ffxMax(params.fDepthClipFactor * 0.1f, params.fDilatedReactiveFactor));
+
+    // Force reactive factor for new samples
+    fNewFactor = params.bIsNewSample ? 1.0f : fNewFactor;
+
+    if (ffxSaturate(params.fHrVelocity * 10.0f) >= 1.0f) {
+        fNewFactor = ffxMax(FSR3UPSCALER_EPSILON, fNewFactor) * -1.0f;
+    }
+    
+    return fNewFactor;
+}
+
+AccumulationPassCommonParams InitParams(FfxInt32x2 iPxHrPos)
+{
+    AccumulationPassCommonParams params;
+
+    params.iPxHrPos = iPxHrPos;
+    const FfxFloat32x2 fHrUv = (iPxHrPos + 0.5f) / DisplaySize();
+    params.fHrUv = fHrUv;
+    
+    const FfxFloat32x2 fLrUvJittered = fHrUv + Jitter() / RenderSize();
+    params.fLrUv_HwSampler = ClampUv(fLrUvJittered, RenderSize(), MaxRenderSize());
+
+    params.fMotionVector = GetMotionVector(iPxHrPos, fHrUv);
+    params.fHrVelocity = GetPxHrVelocity(params.fMotionVector);
+
+    ComputeReprojectedUVs(params, params.fReprojectedHrUv, params.bIsExistingSample);
+
+    params.fDepthClipFactor = ffxSaturate(SampleDepthClip(params.fLrUv_HwSampler));
+    
+    const FfxFloat32x2 fDilatedReactiveMasks = SampleDilatedReactiveMasks(params.fLrUv_HwSampler);
+    params.fDilatedReactiveFactor = fDilatedReactiveMasks.x;
+    params.fAccumulationMask = fDilatedReactiveMasks.y;
+    params.bIsResetFrame = (0 == FrameIndex());
+
+    params.bIsNewSample = (params.bIsExistingSample == false || params.bIsResetFrame);
+
+    return params;
+}
+
+void Accumulate(FfxInt32x2 iPxHrPos)
+{
+    const AccumulationPassCommonParams params = InitParams(iPxHrPos);
+
+    FfxFloat32x3 fHistoryColor = FfxFloat32x3(0, 0, 0);
+    FfxFloat32x2 fLockStatus;
+    InitializeNewLockSample(fLockStatus);
+
+    FfxFloat32 fTemporalReactiveFactor = 0.0f;
+    FfxBoolean bInMotionLastFrame = FFX_FALSE;
+    LockState lockState = { FFX_FALSE , FFX_FALSE };
+    if (params.bIsExistingSample && !params.bIsResetFrame) {
+        ReprojectHistoryColor(params, fHistoryColor, fTemporalReactiveFactor, bInMotionLastFrame);
+        lockState = ReprojectHistoryLockStatus(params, fLockStatus);
+    }
+
+    FfxFloat32 fThisFrameReactiveFactor = ffxMax(params.fDilatedReactiveFactor, fTemporalReactiveFactor);
+
+    FfxFloat32 fLuminanceDiff = 0.0f;
+    FfxFloat32 fLockContributionThisFrame = 0.0f;
+    UpdateLockStatus(params, fThisFrameReactiveFactor, lockState, fLockStatus, fLockContributionThisFrame, fLuminanceDiff);
+
+    // Load upsampled input color
+    RectificationBox clippingBox;
+    FfxFloat32x4 fUpsampledColorAndWeight = ComputeUpsampledColorAndWeight(params, clippingBox, fThisFrameReactiveFactor);
+    
+    const FfxFloat32 fLumaInstabilityFactor = ComputeLumaInstabilityFactor(params, clippingBox, fThisFrameReactiveFactor, fLuminanceDiff);
+
+
+    FfxFloat32x3 fAccumulation = ComputeBaseAccumulationWeight(params, fThisFrameReactiveFactor, bInMotionLastFrame, fUpsampledColorAndWeight.w, lockState);
+
+    if (params.bIsNewSample) {
+        fHistoryColor = YCoCgToRGB(fUpsampledColorAndWeight.xyz);
+    }
+    else {
+        RectifyHistory(params, clippingBox, fHistoryColor, fAccumulation, fLockContributionThisFrame, fThisFrameReactiveFactor, fLumaInstabilityFactor);
+
+        Accumulate(params, fHistoryColor, fAccumulation, fUpsampledColorAndWeight);
+    }
+
+    fHistoryColor = UnprepareRgb(fHistoryColor, Exposure());
+
+    FinalizeLockStatus(params, fLockStatus, fUpsampledColorAndWeight.w);
+
+    // Get new temporal reactive factor
+    fTemporalReactiveFactor = ComputeTemporalReactiveFactor(params, fThisFrameReactiveFactor);
+
+    StoreInternalColorAndWeight(iPxHrPos, FfxFloat32x4(fHistoryColor, fTemporalReactiveFactor));
+
+    // Output final color when RCAS is disabled
+#if FFX_FSR3UPSCALER_OPTION_APPLY_SHARPENING == 0
+    WriteUpscaledOutput(iPxHrPos, fHistoryColor);
+#endif
+    StoreNewLocks(iPxHrPos, 0);
+}
+
+#endif // FFX_FSR3UPSCALER_ACCUMULATE_H

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_accumulate.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h

@@ -0,0 +1,912 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#include "ffx_fsr3upscaler_resources.h"
+
+#if defined(FFX_GPU)
+#ifdef __hlsl_dx_compiler
+#pragma dxc diagnostic push
+#pragma dxc diagnostic ignored "-Wambig-lit-shift"
+#endif //__hlsl_dx_compiler
+#include "ffx_core.h"
+#ifdef __hlsl_dx_compiler
+#pragma dxc diagnostic pop
+#endif //__hlsl_dx_compiler
+#endif // #if defined(FFX_GPU)
+
+#if defined(FFX_GPU)
+#ifndef FFX_PREFER_WAVE64
+#define FFX_PREFER_WAVE64
+#endif // FFX_PREFER_WAVE64
+
+#if defined(FFX_GPU)
+#pragma warning(disable: 3205)  // conversion from larger type to smaller
+#endif // #if defined(FFX_GPU)
+
+#define DECLARE_SRV_REGISTER(regIndex)  t##regIndex
+#define DECLARE_UAV_REGISTER(regIndex)  u##regIndex
+#define DECLARE_CB_REGISTER(regIndex)   b##regIndex
+#define FFX_FSR3UPSCALER_DECLARE_SRV(regIndex)  register(DECLARE_SRV_REGISTER(regIndex))
+#define FFX_FSR3UPSCALER_DECLARE_UAV(regIndex)  register(DECLARE_UAV_REGISTER(regIndex))
+#define FFX_FSR3UPSCALER_DECLARE_CB(regIndex)   register(DECLARE_CB_REGISTER(regIndex))
+
+#if defined(FSR3UPSCALER_BIND_CB_FSR3UPSCALER)
+    cbuffer cbFSR3Upscaler : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_FSR3UPSCALER)
+    {
+        FfxInt32x2    iRenderSize;
+        FfxInt32x2    iMaxRenderSize;
+        FfxInt32x2    iDisplaySize;
+        FfxInt32x2    iInputColorResourceDimensions;
+        FfxInt32x2    iLumaMipDimensions;
+        FfxInt32      iLumaMipLevelToUse;
+        FfxInt32      iFrameIndex;
+
+        FfxFloat32x4  fDeviceToViewDepth;
+        FfxFloat32x2  fJitter;
+        FfxFloat32x2  fMotionVectorScale;
+        FfxFloat32x2  fDownscaleFactor;
+        FfxFloat32x2  fMotionVectorJitterCancellation;
+        FfxFloat32    fPreExposure;
+        FfxFloat32    fPreviousFramePreExposure;
+        FfxFloat32    fTanHalfFOV;
+        FfxFloat32    fJitterSequenceLength;
+        FfxFloat32    fDeltaTime;
+        FfxFloat32    fDynamicResChangeFactor;
+        FfxFloat32    fViewSpaceToMetersFactor;
+    };
+
+#define FFX_FSR3UPSCALER_CONSTANT_BUFFER_1_SIZE (sizeof(cbFSR3Upscaler) / 4)  // Number of 32-bit values. This must be kept in sync with the cbFSR3Upscaler size.
+
+/* Define getter functions in the order they are defined in the CB! */
+FfxInt32x2 RenderSize()
+{
+    return iRenderSize;
+}
+
+FfxInt32x2 MaxRenderSize()
+{
+    return iMaxRenderSize;
+}
+
+FfxInt32x2 DisplaySize()
+{
+    return iDisplaySize;
+}
+
+FfxInt32x2 InputColorResourceDimensions()
+{
+    return iInputColorResourceDimensions;
+}
+
+FfxInt32x2 LumaMipDimensions()
+{
+    return iLumaMipDimensions;
+}
+
+FfxInt32  LumaMipLevelToUse()
+{
+    return iLumaMipLevelToUse;
+}
+
+FfxInt32 FrameIndex()
+{
+    return iFrameIndex;
+}
+
+FfxFloat32x2 Jitter()
+{
+    return fJitter;
+}
+
+FfxFloat32x4 DeviceToViewSpaceTransformFactors()
+{
+    return fDeviceToViewDepth;
+}
+
+FfxFloat32x2 MotionVectorScale()
+{
+    return fMotionVectorScale;
+}
+
+FfxFloat32x2 DownscaleFactor()
+{
+    return fDownscaleFactor;
+}
+
+FfxFloat32x2 MotionVectorJitterCancellation()
+{
+    return fMotionVectorJitterCancellation;
+}
+
+FfxFloat32 PreExposure()
+{
+    return fPreExposure;
+}
+
+FfxFloat32 PreviousFramePreExposure()
+{
+    return fPreviousFramePreExposure;
+}
+
+FfxFloat32 TanHalfFoV()
+{
+    return fTanHalfFOV;
+}
+
+FfxFloat32 JitterSequenceLength()
+{
+    return fJitterSequenceLength;
+}
+
+FfxFloat32 DeltaTime()
+{
+    return fDeltaTime;
+}
+
+FfxFloat32 DynamicResChangeFactor()
+{
+    return fDynamicResChangeFactor;
+}
+
+FfxFloat32 ViewSpaceToMetersFactor()
+{
+    return fViewSpaceToMetersFactor;
+}
+#endif // #if defined(FSR3UPSCALER_BIND_CB_FSR3UPSCALER)
+
+#define FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(p) FFX_FSR3UPSCALER_ROOTSIG_STR(p)
+#define FFX_FSR3UPSCALER_ROOTSIG_STR(p) #p
+#define FFX_FSR3UPSCALER_ROOTSIG [RootSignature( "DescriptorTable(UAV(u0, numDescriptors = " FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_COUNT) ")), " \
+                                    "DescriptorTable(SRV(t0, numDescriptors = " FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_COUNT) ")), " \
+                                    "RootConstants(num32BitConstants=" FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_CONSTANT_BUFFER_1_SIZE) ", b0), " \
+                                    "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \
+                                                      "addressU = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressV = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressW = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "comparisonFunc = COMPARISON_NEVER, " \
+                                                      "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \
+                                    "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \
+                                                      "addressU = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressV = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressW = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "comparisonFunc = COMPARISON_NEVER, " \
+                                                      "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )]
+
+#define FFX_FSR3UPSCALER_CONSTANT_BUFFER_2_SIZE 6  // Number of 32-bit values. This must be kept in sync with max( cbRCAS , cbSPD) size.
+
+#define FFX_FSR3UPSCALER_CB2_ROOTSIG [RootSignature( "DescriptorTable(UAV(u0, numDescriptors = " FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_COUNT) ")), " \
+                                    "DescriptorTable(SRV(t0, numDescriptors = " FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_COUNT) ")), " \
+                                    "RootConstants(num32BitConstants=" FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_CONSTANT_BUFFER_1_SIZE) ", b0), " \
+                                    "RootConstants(num32BitConstants=" FFX_FSR3UPSCALER_ROOTSIG_STRINGIFY(FFX_FSR3UPSCALER_CONSTANT_BUFFER_2_SIZE) ", b1), " \
+                                    "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \
+                                                      "addressU = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressV = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressW = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "comparisonFunc = COMPARISON_NEVER, " \
+                                                      "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \
+                                    "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \
+                                                      "addressU = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressV = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "addressW = TEXTURE_ADDRESS_CLAMP, " \
+                                                      "comparisonFunc = COMPARISON_NEVER, " \
+                                                      "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )]
+#if defined(FFX_FSR3UPSCALER_EMBED_ROOTSIG)
+#define FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT FFX_FSR3UPSCALER_ROOTSIG
+#define FFX_FSR3UPSCALER_EMBED_CB2_ROOTSIG_CONTENT FFX_FSR3UPSCALER_CB2_ROOTSIG
+#else
+#define FFX_FSR3UPSCALER_EMBED_ROOTSIG_CONTENT
+#define FFX_FSR3UPSCALER_EMBED_CB2_ROOTSIG_CONTENT
+#endif // #if FFX_FSR3UPSCALER_EMBED_ROOTSIG
+
+#if defined(FSR3UPSCALER_BIND_CB_AUTOREACTIVE)
+cbuffer cbGenerateReactive : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_AUTOREACTIVE)
+{
+    FfxFloat32   fTcThreshold; // 0.1 is a good starting value, lower will result in more TC pixels
+    FfxFloat32   fTcScale;
+    FfxFloat32   fReactiveScale;
+    FfxFloat32   fReactiveMax;
+};
+
+FfxFloat32 TcThreshold()
+{
+    return fTcThreshold;
+}
+
+FfxFloat32 TcScale()
+{
+    return fTcScale;
+}
+
+FfxFloat32 ReactiveScale()
+{
+    return fReactiveScale;
+}
+
+FfxFloat32 ReactiveMax()
+{
+    return fReactiveMax;
+}
+#endif // #if defined(FSR3UPSCALER_BIND_CB_AUTOREACTIVE)
+
+#if defined(FSR3UPSCALER_BIND_CB_RCAS)
+cbuffer cbRCAS : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_RCAS)
+{
+    FfxUInt32x4 rcasConfig;
+};
+
+FfxUInt32x4 RCASConfig()
+{
+    return rcasConfig;
+}
+#endif // #if defined(FSR3UPSCALER_BIND_CB_RCAS)
+
+
+#if defined(FSR3UPSCALER_BIND_CB_REACTIVE)
+cbuffer cbGenerateReactive : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_REACTIVE)
+{
+    FfxFloat32   gen_reactive_scale;
+    FfxFloat32   gen_reactive_threshold;
+    FfxFloat32   gen_reactive_binaryValue;
+    FfxUInt32    gen_reactive_flags;
+};
+
+FfxFloat32 GenReactiveScale()
+{
+    return gen_reactive_scale;
+}
+
+FfxFloat32 GenReactiveThreshold()
+{
+    return gen_reactive_threshold;
+}
+
+FfxFloat32 GenReactiveBinaryValue()
+{
+    return gen_reactive_binaryValue;
+}
+
+FfxUInt32 GenReactiveFlags()
+{
+    return gen_reactive_flags;
+}
+#endif // #if defined(FSR3UPSCALER_BIND_CB_REACTIVE)
+
+#if defined(FSR3UPSCALER_BIND_CB_SPD)
+cbuffer cbSPD : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_SPD) {
+
+    FfxUInt32   mips;
+    FfxUInt32   numWorkGroups;
+    FfxUInt32x2 workGroupOffset;
+    FfxUInt32x2 renderSize;
+};
+
+FfxUInt32 MipCount()
+{
+    return mips;
+}
+
+FfxUInt32 NumWorkGroups()
+{
+    return numWorkGroups;
+}
+
+FfxUInt32x2 WorkGroupOffset()
+{
+    return workGroupOffset;
+}
+
+FfxUInt32x2 SPD_RenderSize()
+{
+    return renderSize;
+}
+#endif // #if defined(FSR3UPSCALER_BIND_CB_SPD)
+
+SamplerState s_PointClamp : register(s0);
+SamplerState s_LinearClamp : register(s1);
+
+    // SRVs
+    #if defined FSR3UPSCALER_BIND_SRV_INPUT_COLOR
+        Texture2D<FfxFloat32x4>                   r_input_color_jittered                    : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INPUT_COLOR);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_INPUT_OPAQUE_ONLY
+        Texture2D<FfxFloat32x4>                   r_input_opaque_only                       : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INPUT_OPAQUE_ONLY);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS
+        Texture2D<FfxFloat32x4>                   r_input_motion_vectors                    : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_INPUT_DEPTH
+        Texture2D<FfxFloat32>                     r_input_depth                             : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INPUT_DEPTH);
+    #endif 
+    #if defined FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE
+        Texture2D<FfxFloat32x2>                   r_input_exposure                          : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_AUTO_EXPOSURE
+        Texture2D<FfxFloat32x2>                   r_auto_exposure                           : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_AUTO_EXPOSURE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_REACTIVE_MASK
+        Texture2D<FfxFloat32>                     r_reactive_mask                           : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_REACTIVE_MASK);
+    #endif 
+    #if defined FSR3UPSCALER_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK
+        Texture2D<FfxFloat32>                     r_transparency_and_composition_mask       : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH
+        Texture2D<FfxUInt32>                      r_reconstructed_previous_nearest_depth    : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH);
+    #endif 
+    #if defined FSR3UPSCALER_BIND_SRV_DILATED_MOTION_VECTORS
+       Texture2D<FfxFloat32x2>                    r_dilated_motion_vectors                  : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_DILATED_MOTION_VECTORS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS
+           Texture2D<FfxFloat32x2>                r_previous_dilated_motion_vectors         : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_DILATED_DEPTH
+        Texture2D<FfxFloat32>                     r_dilated_depth                           : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_DILATED_DEPTH);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_INTERNAL_UPSCALED
+        Texture2D<FfxFloat32x4>                   r_internal_upscaled_color                 : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_INTERNAL_UPSCALED);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_LOCK_STATUS
+        Texture2D<unorm FfxFloat32x2>             r_lock_status                             : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_LOCK_STATUS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_LOCK_INPUT_LUMA
+        Texture2D<FfxFloat32>                     r_lock_input_luma                         : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_LOCK_INPUT_LUMA);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_NEW_LOCKS
+        Texture2D<unorm FfxFloat32>               r_new_locks                               : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_NEW_LOCKS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_PREPARED_INPUT_COLOR
+        Texture2D<FfxFloat32x4>                  r_prepared_input_color                    : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_PREPARED_INPUT_COLOR);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_LUMA_HISTORY
+        Texture2D<unorm FfxFloat32x4>             r_luma_history                            : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_LUMA_HISTORY);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_RCAS_INPUT
+        Texture2D<FfxFloat32x4>                   r_rcas_input                              : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_RCAS_INPUT);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_LANCZOS_LUT
+        Texture2D<FfxFloat32>                     r_lanczos_lut                             : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_LANCZOS_LUT);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_SCENE_LUMINANCE_MIPS
+        Texture2D<FfxFloat32>                     r_imgMips                                 : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_SCENE_LUMINANCE_MIPS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT
+        Texture2D<FfxFloat32>                     r_upsample_maximum_bias_lut               : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_DILATED_REACTIVE_MASKS
+        Texture2D<unorm FfxFloat32x2>             r_dilated_reactive_masks                  : FFX_FSR3UPSCALER_DECLARE_SRV(FSR3UPSCALER_BIND_SRV_DILATED_REACTIVE_MASKS);
+    #endif
+
+    #if defined FSR3UPSCALER_BIND_SRV_PREV_PRE_ALPHA_COLOR
+        Texture2D<float3>                         r_input_prev_color_pre_alpha              : FFX_FSR3UPSCALER_DECLARE_SRV(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR);
+    #endif
+    #if defined FSR3UPSCALER_BIND_SRV_PREV_POST_ALPHA_COLOR
+        Texture2D<float3>                         r_input_prev_color_post_alpha             : FFX_FSR3UPSCALER_DECLARE_SRV(FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR);
+    #endif
+   
+    // UAV declarations
+    #if defined FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH
+        RWTexture2D<FfxUInt32>                    rw_reconstructed_previous_nearest_depth   : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_DILATED_MOTION_VECTORS
+        RWTexture2D<FfxFloat32x2>                 rw_dilated_motion_vectors                 : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_DILATED_MOTION_VECTORS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_DILATED_DEPTH
+        RWTexture2D<FfxFloat32>                   rw_dilated_depth                          : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_DILATED_DEPTH);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_INTERNAL_UPSCALED
+        RWTexture2D<FfxFloat32x4>                 rw_internal_upscaled_color                : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_INTERNAL_UPSCALED);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_LOCK_STATUS
+        RWTexture2D<unorm FfxFloat32x2>           rw_lock_status                            : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_LOCK_STATUS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_LOCK_INPUT_LUMA
+        RWTexture2D<FfxFloat32>                   rw_lock_input_luma                        : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_LOCK_INPUT_LUMA);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_NEW_LOCKS
+        RWTexture2D<unorm FfxFloat32>             rw_new_locks                              : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_NEW_LOCKS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_PREPARED_INPUT_COLOR
+        RWTexture2D<FfxFloat32x4>                 rw_prepared_input_color                   : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_PREPARED_INPUT_COLOR);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_LUMA_HISTORY
+        RWTexture2D<FfxFloat32x4>                 rw_luma_history                           : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_LUMA_HISTORY);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_UPSCALED_OUTPUT
+        RWTexture2D<FfxFloat32x4>                 rw_upscaled_output                        : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_UPSCALED_OUTPUT);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE
+        globallycoherent RWTexture2D<FfxFloat32>  rw_img_mip_shading_change                 : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+        globallycoherent RWTexture2D<FfxFloat32>  rw_img_mip_5                              : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_DILATED_REACTIVE_MASKS
+        RWTexture2D<unorm FfxFloat32x2>           rw_dilated_reactive_masks                 : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_DILATED_REACTIVE_MASKS);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE
+        RWTexture2D<FfxFloat32x2>                 rw_exposure                               : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_EXPOSURE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE
+        RWTexture2D<FfxFloat32x2>                 rw_auto_exposure                          : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC
+        globallycoherent RWTexture2D<FfxUInt32>   rw_spd_global_atomic                      : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC);
+    #endif
+
+    #if defined FSR3UPSCALER_BIND_UAV_AUTOREACTIVE
+        RWTexture2D<float>                        rw_output_autoreactive                    : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_AUTOREACTIVE);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_AUTOCOMPOSITION
+        RWTexture2D<float>                        rw_output_autocomposition                 : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_AUTOCOMPOSITION);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_PREV_PRE_ALPHA_COLOR
+        RWTexture2D<float3>                       rw_output_prev_color_pre_alpha            : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_PREV_PRE_ALPHA_COLOR);
+    #endif
+    #if defined FSR3UPSCALER_BIND_UAV_PREV_POST_ALPHA_COLOR
+        RWTexture2D<float3>                       rw_output_prev_color_post_alpha           : FFX_FSR3UPSCALER_DECLARE_UAV(FSR3UPSCALER_BIND_UAV_PREV_POST_ALPHA_COLOR);
+    #endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_SCENE_LUMINANCE_MIPS)
+FfxFloat32 LoadMipLuma(FfxUInt32x2 iPxPos, FfxUInt32 mipLevel)
+{
+    return r_imgMips.mips[mipLevel][iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_SCENE_LUMINANCE_MIPS)
+FfxFloat32 SampleMipLuma(FfxFloat32x2 fUV, FfxUInt32 mipLevel)
+{
+    return r_imgMips.SampleLevel(s_LinearClamp, fUV, mipLevel);
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_DEPTH)
+FfxFloat32 LoadInputDepth(FfxUInt32x2 iPxPos)
+{
+    return r_input_depth[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_DEPTH)
+FfxFloat32 SampleInputDepth(FfxFloat32x2 fUV)
+{
+    return r_input_depth.SampleLevel(s_LinearClamp, fUV, 0).x;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_REACTIVE_MASK)
+FfxFloat32 LoadReactiveMask(FfxUInt32x2 iPxPos)
+{
+    return r_reactive_mask[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK)
+FfxFloat32 LoadTransparencyAndCompositionMask(FfxUInt32x2 iPxPos)
+{
+    return r_transparency_and_composition_mask[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_COLOR)
+FfxFloat32x3 LoadInputColor(FfxUInt32x2 iPxPos)
+{
+    return r_input_color_jittered[iPxPos].rgb;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_COLOR)
+FfxFloat32x3 SampleInputColor(FfxFloat32x2 fUV)
+{
+    return r_input_color_jittered.SampleLevel(s_LinearClamp, fUV, 0).rgb;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_PREPARED_INPUT_COLOR)
+FfxFloat32x3 LoadPreparedInputColor(FfxUInt32x2 iPxPos)
+{
+    return r_prepared_input_color[iPxPos].xyz;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_MOTION_VECTORS)
+FfxFloat32x2 LoadInputMotionVector(FfxUInt32x2 iPxDilatedMotionVectorPos)
+{
+    FfxFloat32x2 fSrcMotionVector = r_input_motion_vectors[iPxDilatedMotionVectorPos].xy;
+
+    FfxFloat32x2 fUvMotionVector = fSrcMotionVector * MotionVectorScale();
+
+#if FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
+    fUvMotionVector -= MotionVectorJitterCancellation();
+#endif
+
+    return fUvMotionVector;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INTERNAL_UPSCALED)
+FfxFloat32x4 LoadHistory(FfxUInt32x2 iPxHistory)
+{
+    return r_internal_upscaled_color[iPxHistory];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_LUMA_HISTORY)
+void StoreLumaHistory(FfxUInt32x2 iPxPos, FfxFloat32x4 fLumaHistory)
+{
+    rw_luma_history[iPxPos] = fLumaHistory;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_LUMA_HISTORY)
+FfxFloat32x4 SampleLumaHistory(FfxFloat32x2 fUV)
+{
+    return r_luma_history.SampleLevel(s_LinearClamp, fUV, 0);
+}
+#endif
+
+FfxFloat32x4 LoadRCAS_Input(FfxInt32x2 iPxPos)
+{
+#if defined(FSR3UPSCALER_BIND_SRV_RCAS_INPUT) 
+    return r_rcas_input[iPxPos];
+#else
+    return 0.0;
+#endif
+}
+
+#if defined(FSR3UPSCALER_BIND_UAV_INTERNAL_UPSCALED)
+void StoreReprojectedHistory(FfxUInt32x2 iPxHistory, FfxFloat32x4 fHistory)
+{
+    rw_internal_upscaled_color[iPxHistory] = fHistory;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_INTERNAL_UPSCALED)
+void StoreInternalColorAndWeight(FfxUInt32x2 iPxPos, FfxFloat32x4 fColorAndWeight)
+{
+    rw_internal_upscaled_color[iPxPos] = fColorAndWeight;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_UPSCALED_OUTPUT)
+void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor)
+{
+    rw_upscaled_output[iPxPos] = FfxFloat32x4(fColor, 1.f);
+}
+#endif
+
+//LOCK_LIFETIME_REMAINING == 0
+//Should make LockInitialLifetime() return a const 1.0f later
+#if defined(FSR3UPSCALER_BIND_SRV_LOCK_STATUS)
+FfxFloat32x2 LoadLockStatus(FfxUInt32x2 iPxPos)
+{
+    return r_lock_status[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_LOCK_STATUS)
+void StoreLockStatus(FfxUInt32x2 iPxPos, FfxFloat32x2 fLockStatus)
+{
+    rw_lock_status[iPxPos] = fLockStatus;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_LOCK_INPUT_LUMA)
+FfxFloat32 LoadLockInputLuma(FfxUInt32x2 iPxPos)
+{
+    return r_lock_input_luma[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_LOCK_INPUT_LUMA)
+void StoreLockInputLuma(FfxUInt32x2 iPxPos, FfxFloat32 fLuma)
+{
+    rw_lock_input_luma[iPxPos] = fLuma;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_NEW_LOCKS)
+FfxFloat32 LoadNewLocks(FfxUInt32x2 iPxPos)
+{
+    return r_new_locks[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_NEW_LOCKS)
+FfxFloat32 LoadRwNewLocks(FfxUInt32x2 iPxPos)
+{
+    return rw_new_locks[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_NEW_LOCKS)
+void StoreNewLocks(FfxUInt32x2 iPxPos, FfxFloat32 newLock)
+{
+    rw_new_locks[iPxPos] = newLock;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_PREPARED_INPUT_COLOR)
+void StorePreparedInputColor(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x4 fTonemapped)
+{
+    rw_prepared_input_color[iPxPos] = fTonemapped;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_PREPARED_INPUT_COLOR)
+FfxFloat32 SampleDepthClip(FfxFloat32x2 fUV)
+{
+    return r_prepared_input_color.SampleLevel(s_LinearClamp, fUV, 0).w;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_LOCK_STATUS)
+FfxFloat32x2 SampleLockStatus(FfxFloat32x2 fUV)
+{
+    FfxFloat32x2 fLockStatus = r_lock_status.SampleLevel(s_LinearClamp, fUV, 0);
+    return fLockStatus;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH)
+FfxFloat32 LoadReconstructedPrevDepth(FfxUInt32x2 iPxPos)
+{
+    return asfloat(r_reconstructed_previous_nearest_depth[iPxPos]);
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH)
+void StoreReconstructedDepth(FfxUInt32x2 iPxSample, FfxFloat32 fDepth)
+{
+    FfxUInt32 uDepth = asuint(fDepth);
+
+    #if FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+        InterlockedMax(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth);
+    #else
+        InterlockedMin(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth); // min for standard, max for inverted depth
+    #endif
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH)
+void SetReconstructedDepth(FfxUInt32x2 iPxSample, const FfxUInt32 uValue)
+{
+    rw_reconstructed_previous_nearest_depth[iPxSample] = uValue;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_DILATED_DEPTH)
+void StoreDilatedDepth(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32 fDepth)
+{
+    rw_dilated_depth[iPxPos] = fDepth;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_DILATED_MOTION_VECTORS)
+void StoreDilatedMotionVector(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fMotionVector)
+{
+    rw_dilated_motion_vectors[iPxPos] = fMotionVector;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_DILATED_MOTION_VECTORS)
+FfxFloat32x2 LoadDilatedMotionVector(FfxUInt32x2 iPxInput)
+{
+    return r_dilated_motion_vectors[iPxInput].xy;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS)
+FfxFloat32x2 LoadPreviousDilatedMotionVector(FfxUInt32x2 iPxInput)
+{
+    return r_previous_dilated_motion_vectors[iPxInput].xy;
+}
+
+FfxFloat32x2 SamplePreviousDilatedMotionVector(FfxFloat32x2 uv)
+{
+    return r_previous_dilated_motion_vectors.SampleLevel(s_LinearClamp, uv, 0).xy;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_DILATED_DEPTH)
+FfxFloat32 LoadDilatedDepth(FfxUInt32x2 iPxInput)
+{
+    return r_dilated_depth[iPxInput];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_EXPOSURE)
+FfxFloat32 Exposure()
+{
+    FfxFloat32 exposure = r_input_exposure[FfxUInt32x2(0, 0)].x;
+
+    if (exposure == 0.0f) {
+        exposure = 1.0f;
+    }
+
+    return exposure;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_AUTO_EXPOSURE)
+FfxFloat32 AutoExposure()
+{
+    FfxFloat32 exposure = r_auto_exposure[FfxUInt32x2(0, 0)].x;
+
+    if (exposure == 0.0f) {
+        exposure = 1.0f;
+    }
+
+    return exposure;
+}
+#endif
+
+FfxFloat32 SampleLanczos2Weight(FfxFloat32 x)
+{
+#if defined(FSR3UPSCALER_BIND_SRV_LANCZOS_LUT)
+    return r_lanczos_lut.SampleLevel(s_LinearClamp, FfxFloat32x2(x / 2, 0.5f), 0);
+#else
+    return 0.f;
+#endif
+}
+
+#if defined(FSR3UPSCALER_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT)
+FfxFloat32 SampleUpsampleMaximumBias(FfxFloat32x2 uv)
+{
+    // Stored as a SNORM, so make sure to multiply by 2 to retrieve the actual expected range.
+    return FfxFloat32(2.0) * r_upsample_maximum_bias_lut.SampleLevel(s_LinearClamp, abs(uv) * 2.0, 0);
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_DILATED_REACTIVE_MASKS)
+FfxFloat32x2 SampleDilatedReactiveMasks(FfxFloat32x2 fUV)
+{
+	return r_dilated_reactive_masks.SampleLevel(s_LinearClamp, fUV, 0);
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_DILATED_REACTIVE_MASKS)
+FfxFloat32x2 LoadDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos)
+{
+    return r_dilated_reactive_masks[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_DILATED_REACTIVE_MASKS)
+void StoreDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fDilatedReactiveMasks)
+{
+    rw_dilated_reactive_masks[iPxPos] = fDilatedReactiveMasks;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_INPUT_OPAQUE_ONLY)
+FfxFloat32x3 LoadOpaqueOnly(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos)
+{
+    return r_input_opaque_only[iPxPos].xyz;
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_PREV_PRE_ALPHA_COLOR)
+FfxFloat32x3 LoadPrevPreAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos)
+{
+    return r_input_prev_color_pre_alpha[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_SRV_PREV_POST_ALPHA_COLOR)
+FfxFloat32x3 LoadPrevPostAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos)
+{
+    return r_input_prev_color_post_alpha[iPxPos];
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_AUTOREACTIVE)
+#if defined(FSR3UPSCALER_BIND_UAV_AUTOCOMPOSITION)
+void StoreAutoReactive(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F2 fReactive)
+{
+    rw_output_autoreactive[iPxPos] = fReactive.x;
+
+    rw_output_autocomposition[iPxPos] = fReactive.y;
+}
+#endif
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_PREV_PRE_ALPHA_COLOR)
+void StorePrevPreAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F3 color)
+{
+    rw_output_prev_color_pre_alpha[iPxPos] = color;
+
+}
+#endif
+
+#if defined(FSR3UPSCALER_BIND_UAV_PREV_POST_ALPHA_COLOR)
+void StorePrevPostAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F3 color)
+{
+    rw_output_prev_color_post_alpha[iPxPos] = color;
+}
+#endif
+
+FfxFloat32x2 SPD_LoadExposureBuffer()
+{
+#if defined FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE
+    return rw_auto_exposure[FfxInt32x2(0, 0)];
+#else
+    return FfxFloat32x2(0.f, 0.f);
+#endif // #if defined FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE
+}
+
+void SPD_SetExposureBuffer(FfxFloat32x2 value)
+{
+#if defined FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE
+    rw_auto_exposure[FfxInt32x2(0, 0)] = value;
+#endif // #if defined FSR3UPSCALER_BIND_UAV_AUTO_EXPOSURE
+}
+
+FfxFloat32x4 SPD_LoadMipmap5(FfxInt32x2 iPxPos)
+{
+#if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+    return FfxFloat32x4(rw_img_mip_5[iPxPos], 0, 0, 0);
+#else
+    return FfxFloat32x4(0.f, 0.f, 0.f, 0.f);
+#endif // #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+}
+
+void SPD_SetMipmap(FfxInt32x2 iPxPos, FfxUInt32 slice, FfxFloat32 value)
+{
+    switch (slice)
+    {
+    case FFX_FSR3UPSCALER_SHADING_CHANGE_MIP_LEVEL:
+#if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE
+        rw_img_mip_shading_change[iPxPos] = value;
+#endif // #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE
+        break;
+    case 5:
+#if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+        rw_img_mip_5[iPxPos] = value;
+#endif // #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+        break;
+    default:
+
+        // avoid flattened side effect
+#if defined(FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE)
+        rw_img_mip_shading_change[iPxPos] = rw_img_mip_shading_change[iPxPos];
+#elif defined(FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5)
+        rw_img_mip_5[iPxPos] = rw_img_mip_5[iPxPos];
+#endif // #if defined FSR3UPSCALER_BIND_UAV_EXPOSURE_MIP_5
+        break;
+    }
+}
+
+void SPD_IncreaseAtomicCounter(inout FfxUInt32 spdCounter)
+{
+#if defined FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC
+    InterlockedAdd(rw_spd_global_atomic[FfxInt32x2(0, 0)], 1, spdCounter);
+#endif // #if defined FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC
+}
+
+void SPD_ResetAtomicCounter()
+{
+#if defined FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC
+    rw_spd_global_atomic[FfxInt32x2(0, 0)] = 0;
+#endif // #if defined FSR3UPSCALER_BIND_UAV_SPD_GLOBAL_ATOMIC
+}
+
+#endif // #if defined(FFX_GPU)

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_common.h

@@ -0,0 +1,566 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#if !defined(FFX_FSR3UPSCALER_COMMON_H)
+#define FFX_FSR3UPSCALER_COMMON_H
+
+#if defined(FFX_CPU) || defined(FFX_GPU)
+//Locks
+#define LOCK_LIFETIME_REMAINING 0
+#define LOCK_TEMPORAL_LUMA 1
+#endif // #if defined(FFX_CPU) || defined(FFX_GPU)
+
+#if defined(FFX_GPU)
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_FP16_MIN = 6.10e-05f;
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_FP16_MAX = 65504.0f;
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_EPSILON = 1e-03f;
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_TONEMAP_EPSILON = 1.0f / FSR3UPSCALER_FP16_MAX;
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_FLT_MAX = 3.402823466e+38f;
+FFX_STATIC const FfxFloat32 FSR3UPSCALER_FLT_MIN = 1.175494351e-38f;
+
+// treat vector truncation warnings as errors
+#pragma warning(error: 3206)
+
+// suppress warnings
+#pragma warning(disable: 3205)  // conversion from larger type to smaller
+#pragma warning(disable: 3571)  // in ffxPow(f, e), f could be negative
+
+// Reconstructed depth usage
+FFX_STATIC const FfxFloat32 fReconstructedDepthBilinearWeightThreshold = 0.01f;
+
+// Accumulation
+FFX_STATIC const FfxFloat32 fUpsampleLanczosWeightScale = 1.0f / 12.0f;
+FFX_STATIC const FfxFloat32 fMaxAccumulationLanczosWeight = 1.0f;
+FFX_STATIC const FfxFloat32 fAverageLanczosWeightPerFrame = 0.74f * fUpsampleLanczosWeightScale; // Average lanczos weight for jitter accumulated samples
+FFX_STATIC const FfxFloat32 fAccumulationMaxOnMotion = 3.0f * fUpsampleLanczosWeightScale;
+
+// Auto exposure
+FFX_STATIC const FfxFloat32 resetAutoExposureAverageSmoothing = 1e8f;
+
+struct AccumulationPassCommonParams
+{
+    FfxInt32x2 iPxHrPos;
+    FfxFloat32x2 fHrUv;
+    FfxFloat32x2 fLrUv_HwSampler;
+    FfxFloat32x2 fMotionVector;
+    FfxFloat32x2 fReprojectedHrUv;
+    FfxFloat32 fHrVelocity;
+    FfxFloat32 fDepthClipFactor;
+    FfxFloat32 fDilatedReactiveFactor;
+    FfxFloat32 fAccumulationMask;
+
+    FfxBoolean bIsResetFrame;
+    FfxBoolean bIsExistingSample;
+    FfxBoolean bIsNewSample;
+};
+
+struct LockState
+{
+    FfxBoolean NewLock; //Set for both unique new and re-locked new
+    FfxBoolean WasLockedPrevFrame; //Set to identify if the pixel was already locked (relock)
+};
+
+void InitializeNewLockSample(FFX_PARAMETER_OUT FfxFloat32x2 fLockStatus)
+{
+    fLockStatus = FfxFloat32x2(0, 0);
+}
+
+#if FFX_HALF
+void InitializeNewLockSample(FFX_PARAMETER_OUT FFX_MIN16_F2 fLockStatus)
+{
+    fLockStatus = FFX_MIN16_F2(0, 0);
+}
+#endif
+
+
+void KillLock(FFX_PARAMETER_INOUT FfxFloat32x2 fLockStatus)
+{
+    fLockStatus[LOCK_LIFETIME_REMAINING] = 0;
+}
+
+#if FFX_HALF
+void KillLock(FFX_PARAMETER_INOUT FFX_MIN16_F2 fLockStatus)
+{
+    fLockStatus[LOCK_LIFETIME_REMAINING] = FFX_MIN16_F(0);
+}
+#endif
+
+struct RectificationBox
+{
+    FfxFloat32x3 boxCenter;
+    FfxFloat32x3 boxVec;
+    FfxFloat32x3 aabbMin;
+    FfxFloat32x3 aabbMax;
+    FfxFloat32 fBoxCenterWeight;
+};
+#if FFX_HALF
+struct RectificationBoxMin16
+{
+    FFX_MIN16_F3 boxCenter;
+    FFX_MIN16_F3 boxVec;
+    FFX_MIN16_F3 aabbMin;
+    FFX_MIN16_F3 aabbMax;
+    FFX_MIN16_F fBoxCenterWeight;
+};
+#endif
+
+void RectificationBoxReset(FFX_PARAMETER_INOUT RectificationBox rectificationBox)
+{
+    rectificationBox.fBoxCenterWeight = FfxFloat32(0);
+
+    rectificationBox.boxCenter = FfxFloat32x3(0, 0, 0);
+    rectificationBox.boxVec = FfxFloat32x3(0, 0, 0);
+    rectificationBox.aabbMin = FfxFloat32x3(FSR3UPSCALER_FLT_MAX, FSR3UPSCALER_FLT_MAX, FSR3UPSCALER_FLT_MAX);
+    rectificationBox.aabbMax = -FfxFloat32x3(FSR3UPSCALER_FLT_MAX, FSR3UPSCALER_FLT_MAX, FSR3UPSCALER_FLT_MAX);
+}
+#if FFX_HALF
+void RectificationBoxReset(FFX_PARAMETER_INOUT RectificationBoxMin16 rectificationBox)
+{
+    rectificationBox.fBoxCenterWeight = FFX_MIN16_F(0);
+
+    rectificationBox.boxCenter = FFX_MIN16_F3(0, 0, 0);
+    rectificationBox.boxVec = FFX_MIN16_F3(0, 0, 0);
+    rectificationBox.aabbMin = FFX_MIN16_F3(FSR3UPSCALER_FP16_MAX, FSR3UPSCALER_FP16_MAX, FSR3UPSCALER_FP16_MAX);
+    rectificationBox.aabbMax = -FFX_MIN16_F3(FSR3UPSCALER_FP16_MAX, FSR3UPSCALER_FP16_MAX, FSR3UPSCALER_FP16_MAX);
+}
+#endif
+
+void RectificationBoxAddInitialSample(FFX_PARAMETER_INOUT RectificationBox rectificationBox, const FfxFloat32x3 colorSample, const FfxFloat32 fSampleWeight)
+{
+    rectificationBox.aabbMin = colorSample;
+    rectificationBox.aabbMax = colorSample;
+
+    FfxFloat32x3 weightedSample = colorSample * fSampleWeight;
+    rectificationBox.boxCenter = weightedSample;
+    rectificationBox.boxVec = colorSample * weightedSample;
+    rectificationBox.fBoxCenterWeight = fSampleWeight;
+}
+
+void RectificationBoxAddSample(FfxBoolean bInitialSample, FFX_PARAMETER_INOUT RectificationBox rectificationBox, const FfxFloat32x3 colorSample, const FfxFloat32 fSampleWeight)
+{
+    if (bInitialSample) {
+        RectificationBoxAddInitialSample(rectificationBox, colorSample, fSampleWeight);
+    } else {
+        rectificationBox.aabbMin = ffxMin(rectificationBox.aabbMin, colorSample);
+        rectificationBox.aabbMax = ffxMax(rectificationBox.aabbMax, colorSample);
+
+        FfxFloat32x3 weightedSample = colorSample * fSampleWeight;
+        rectificationBox.boxCenter += weightedSample;
+        rectificationBox.boxVec += colorSample * weightedSample;
+        rectificationBox.fBoxCenterWeight += fSampleWeight;
+    }
+}
+#if FFX_HALF
+void RectificationBoxAddInitialSample(FFX_PARAMETER_INOUT RectificationBoxMin16 rectificationBox, const FFX_MIN16_F3 colorSample, const FFX_MIN16_F fSampleWeight)
+{
+    rectificationBox.aabbMin = colorSample;
+    rectificationBox.aabbMax = colorSample;
+
+    FFX_MIN16_F3 weightedSample = colorSample * fSampleWeight;
+    rectificationBox.boxCenter = weightedSample;
+    rectificationBox.boxVec = colorSample * weightedSample;
+    rectificationBox.fBoxCenterWeight = fSampleWeight;
+}
+
+void RectificationBoxAddSample(FfxBoolean bInitialSample, FFX_PARAMETER_INOUT RectificationBoxMin16 rectificationBox, const FFX_MIN16_F3 colorSample, const FFX_MIN16_F fSampleWeight)
+{
+    if (bInitialSample) {
+        RectificationBoxAddInitialSample(rectificationBox, colorSample, fSampleWeight);
+    } else {
+        rectificationBox.aabbMin = ffxMin(rectificationBox.aabbMin, colorSample);
+        rectificationBox.aabbMax = ffxMax(rectificationBox.aabbMax, colorSample);
+
+        FFX_MIN16_F3 weightedSample = colorSample * fSampleWeight;
+        rectificationBox.boxCenter += weightedSample;
+        rectificationBox.boxVec += colorSample * weightedSample;
+        rectificationBox.fBoxCenterWeight += fSampleWeight;
+    }
+}
+#endif
+
+void RectificationBoxComputeVarianceBoxData(FFX_PARAMETER_INOUT RectificationBox rectificationBox)
+{
+    rectificationBox.fBoxCenterWeight = (abs(rectificationBox.fBoxCenterWeight) > FfxFloat32(FSR3UPSCALER_EPSILON) ? rectificationBox.fBoxCenterWeight : FfxFloat32(1.f));
+    rectificationBox.boxCenter /= rectificationBox.fBoxCenterWeight;
+    rectificationBox.boxVec /= rectificationBox.fBoxCenterWeight;
+    FfxFloat32x3 stdDev = sqrt(abs(rectificationBox.boxVec - rectificationBox.boxCenter * rectificationBox.boxCenter));
+    rectificationBox.boxVec = stdDev;
+}
+#if FFX_HALF
+void RectificationBoxComputeVarianceBoxData(FFX_PARAMETER_INOUT RectificationBoxMin16 rectificationBox)
+{
+    rectificationBox.fBoxCenterWeight = (abs(rectificationBox.fBoxCenterWeight) > FFX_MIN16_F(FSR3UPSCALER_EPSILON) ? rectificationBox.fBoxCenterWeight : FFX_MIN16_F(1.f));
+    rectificationBox.boxCenter /= rectificationBox.fBoxCenterWeight;
+    rectificationBox.boxVec /= rectificationBox.fBoxCenterWeight;
+    FFX_MIN16_F3 stdDev = sqrt(abs(rectificationBox.boxVec - rectificationBox.boxCenter * rectificationBox.boxCenter));
+    rectificationBox.boxVec = stdDev;
+}
+#endif
+
+FfxFloat32x3 SafeRcp3(FfxFloat32x3 v)
+{
+    return (all(FFX_NOT_EQUAL(v, FfxFloat32x3(0, 0, 0)))) ? (FfxFloat32x3(1, 1, 1) / v) : FfxFloat32x3(0, 0, 0);
+}
+#if FFX_HALF
+FFX_MIN16_F3 SafeRcp3(FFX_MIN16_F3 v)
+{
+    return (all(FFX_NOT_EQUAL(v, FFX_MIN16_F3(0, 0, 0)))) ? (FFX_MIN16_F3(1, 1, 1) / v) : FFX_MIN16_F3(0, 0, 0);
+}
+#endif
+
+FfxFloat32 MinDividedByMax(const FfxFloat32 v0, const FfxFloat32 v1)
+{
+    const FfxFloat32 m = ffxMax(v0, v1);
+    return m != 0 ? ffxMin(v0, v1) / m : 0;
+}
+
+#if FFX_HALF
+FFX_MIN16_F MinDividedByMax(const FFX_MIN16_F v0, const FFX_MIN16_F v1)
+{
+    const FFX_MIN16_F m = ffxMax(v0, v1);
+    return m != FFX_MIN16_F(0) ? ffxMin(v0, v1) / m : FFX_MIN16_F(0);
+}
+#endif
+
+FfxFloat32x3 YCoCgToRGB(FfxFloat32x3 fYCoCg)
+{
+    FfxFloat32x3 fRgb;
+
+    fRgb = FfxFloat32x3(
+        fYCoCg.x + fYCoCg.y - fYCoCg.z,
+        fYCoCg.x + fYCoCg.z,
+        fYCoCg.x - fYCoCg.y - fYCoCg.z);
+
+    return fRgb;
+}
+#if FFX_HALF
+FFX_MIN16_F3 YCoCgToRGB(FFX_MIN16_F3 fYCoCg)
+{
+    FFX_MIN16_F3 fRgb;
+
+    fRgb = FFX_MIN16_F3(
+        fYCoCg.x + fYCoCg.y - fYCoCg.z,
+        fYCoCg.x + fYCoCg.z,
+        fYCoCg.x - fYCoCg.y - fYCoCg.z);
+
+    return fRgb;
+}
+#endif
+
+FfxFloat32x3 RGBToYCoCg(FfxFloat32x3 fRgb)
+{
+    FfxFloat32x3 fYCoCg;
+
+    fYCoCg = FfxFloat32x3(
+        0.25f * fRgb.r + 0.5f * fRgb.g + 0.25f * fRgb.b,
+        0.5f * fRgb.r - 0.5f * fRgb.b,
+        -0.25f * fRgb.r + 0.5f * fRgb.g - 0.25f * fRgb.b);
+
+    return fYCoCg;
+}
+#if FFX_HALF
+FFX_MIN16_F3 RGBToYCoCg(FFX_MIN16_F3 fRgb)
+{
+    FFX_MIN16_F3 fYCoCg;
+
+    fYCoCg = FFX_MIN16_F3(
+        0.25 * fRgb.r + 0.5 * fRgb.g + 0.25 * fRgb.b,
+        0.5 * fRgb.r - 0.5 * fRgb.b,
+        -0.25 * fRgb.r + 0.5 * fRgb.g - 0.25 * fRgb.b);
+
+    return fYCoCg;
+}
+#endif
+
+FfxFloat32 RGBToLuma(FfxFloat32x3 fLinearRgb)
+{
+    return dot(fLinearRgb, FfxFloat32x3(0.2126f, 0.7152f, 0.0722f));
+}
+#if FFX_HALF
+FFX_MIN16_F RGBToLuma(FFX_MIN16_F3 fLinearRgb)
+{
+    return dot(fLinearRgb, FFX_MIN16_F3(0.2126f, 0.7152f, 0.0722f));
+}
+#endif
+
+FfxFloat32 RGBToPerceivedLuma(FfxFloat32x3 fLinearRgb)
+{
+    FfxFloat32 fLuminance = RGBToLuma(fLinearRgb);
+
+    FfxFloat32 fPercievedLuminance = 0;
+    if (fLuminance <= 216.0f / 24389.0f) {
+        fPercievedLuminance = fLuminance * (24389.0f / 27.0f);
+    }
+    else {
+        fPercievedLuminance = ffxPow(fLuminance, 1.0f / 3.0f) * 116.0f - 16.0f;
+    }
+
+    return fPercievedLuminance * 0.01f;
+}
+#if FFX_HALF
+FFX_MIN16_F RGBToPerceivedLuma(FFX_MIN16_F3 fLinearRgb)
+{
+    FFX_MIN16_F fLuminance = RGBToLuma(fLinearRgb);
+
+    FFX_MIN16_F fPercievedLuminance = FFX_MIN16_F(0);
+    if (fLuminance <= FFX_MIN16_F(216.0f / 24389.0f)) {
+        fPercievedLuminance = fLuminance * FFX_MIN16_F(24389.0f / 27.0f);
+    }
+    else {
+        fPercievedLuminance = ffxPow(fLuminance, FFX_MIN16_F(1.0f / 3.0f)) * FFX_MIN16_F(116.0f) - FFX_MIN16_F(16.0f);
+    }
+
+    return fPercievedLuminance * FFX_MIN16_F(0.01f);
+}
+#endif
+
+FfxFloat32x3 Tonemap(FfxFloat32x3 fRgb)
+{
+    return fRgb / (ffxMax(ffxMax(0.f, fRgb.r), ffxMax(fRgb.g, fRgb.b)) + 1.f).xxx;
+}
+
+FfxFloat32x3 InverseTonemap(FfxFloat32x3 fRgb)
+{
+    return fRgb / ffxMax(FSR3UPSCALER_TONEMAP_EPSILON, 1.f - ffxMax(fRgb.r, ffxMax(fRgb.g, fRgb.b))).xxx;
+}
+
+#if FFX_HALF
+FFX_MIN16_F3 Tonemap(FFX_MIN16_F3 fRgb)
+{
+    return fRgb / (ffxMax(ffxMax(FFX_MIN16_F(0.f), fRgb.r), ffxMax(fRgb.g, fRgb.b)) + FFX_MIN16_F(1.f)).xxx;
+}
+
+FFX_MIN16_F3 InverseTonemap(FFX_MIN16_F3 fRgb)
+{
+    return fRgb / ffxMax(FFX_MIN16_F(FSR3UPSCALER_TONEMAP_EPSILON), FFX_MIN16_F(1.f) - ffxMax(fRgb.r, ffxMax(fRgb.g, fRgb.b))).xxx;
+}
+#endif
+
+FfxInt32x2 ClampLoad(FfxInt32x2 iPxSample, FfxInt32x2 iPxOffset, FfxInt32x2 iTextureSize)
+{
+    FfxInt32x2 result = iPxSample + iPxOffset;
+    result.x = (iPxOffset.x < 0) ? ffxMax(result.x, 0) : result.x;
+    result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - 1) : result.x;
+    result.y = (iPxOffset.y < 0) ? ffxMax(result.y, 0) : result.y;
+    result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - 1) : result.y;
+    return result;
+
+    // return ffxMed3(iPxSample + iPxOffset, FfxInt32x2(0, 0), iTextureSize - FfxInt32x2(1, 1));
+}
+#if FFX_HALF
+FFX_MIN16_I2 ClampLoad(FFX_MIN16_I2 iPxSample, FFX_MIN16_I2 iPxOffset, FFX_MIN16_I2 iTextureSize)
+{
+    FFX_MIN16_I2 result = iPxSample + iPxOffset;
+    result.x = (iPxOffset.x < 0) ? ffxMax(result.x, FFX_MIN16_I(0)) : result.x;
+    result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - FFX_MIN16_I(1)) : result.x;
+    result.y = (iPxOffset.y < 0) ? ffxMax(result.y, FFX_MIN16_I(0)) : result.y;
+    result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - FFX_MIN16_I(1)) : result.y;
+    return result;
+
+    // return ffxMed3Half(iPxSample + iPxOffset, FFX_MIN16_I2(0, 0), iTextureSize - FFX_MIN16_I2(1, 1));
+}
+#endif
+
+FfxFloat32x2 ClampUv(FfxFloat32x2 fUv, FfxInt32x2 iTextureSize, FfxInt32x2 iResourceSize)
+{
+    const FfxFloat32x2 fSampleLocation = fUv * iTextureSize;
+    const FfxFloat32x2 fClampedLocation = ffxMax(FfxFloat32x2(0.5f, 0.5f), ffxMin(fSampleLocation, FfxFloat32x2(iTextureSize) - FfxFloat32x2(0.5f, 0.5f)));
+    const FfxFloat32x2 fClampedUv = fClampedLocation / FfxFloat32x2(iResourceSize);
+
+    return fClampedUv;
+}
+
+FfxBoolean IsOnScreen(FfxInt32x2 pos, FfxInt32x2 size)
+{
+    return all(FFX_LESS_THAN(FfxUInt32x2(pos), FfxUInt32x2(size)));
+}
+#if FFX_HALF
+FfxBoolean IsOnScreen(FFX_MIN16_I2 pos, FFX_MIN16_I2 size)
+{
+    return all(FFX_LESS_THAN(FFX_MIN16_U2(pos), FFX_MIN16_U2(size)));
+}
+#endif
+
+FfxFloat32 ComputeAutoExposureFromLavg(FfxFloat32 Lavg)
+{
+    Lavg = exp(Lavg);
+
+    const FfxFloat32 S = 100.0f; //ISO arithmetic speed
+    const FfxFloat32 K = 12.5f;
+    FfxFloat32 ExposureISO100 = log2((Lavg * S) / K);
+
+    const FfxFloat32 q = 0.65f;
+    FfxFloat32 Lmax = (78.0f / (q * S)) * ffxPow(2.0f, ExposureISO100);
+
+    return 1 / Lmax;
+}
+#if FFX_HALF
+FFX_MIN16_F ComputeAutoExposureFromLavg(FFX_MIN16_F Lavg)
+{
+    Lavg = exp(Lavg);
+
+    const FFX_MIN16_F S = FFX_MIN16_F(100.0f); //ISO arithmetic speed
+    const FFX_MIN16_F K = FFX_MIN16_F(12.5f);
+    const FFX_MIN16_F ExposureISO100 = log2((Lavg * S) / K);
+
+    const FFX_MIN16_F q = FFX_MIN16_F(0.65f);
+    const FFX_MIN16_F Lmax = (FFX_MIN16_F(78.0f) / (q * S)) * ffxPow(FFX_MIN16_F(2.0f), ExposureISO100);
+
+    return FFX_MIN16_F(1) / Lmax;
+}
+#endif
+
+FfxInt32x2 ComputeHrPosFromLrPos(FfxInt32x2 iPxLrPos)
+{
+    FfxFloat32x2 fSrcJitteredPos = FfxFloat32x2(iPxLrPos) + 0.5f - Jitter();
+    FfxFloat32x2 fLrPosInHr = (fSrcJitteredPos / RenderSize()) * DisplaySize();
+    FfxInt32x2 iPxHrPos = FfxInt32x2(floor(fLrPosInHr));
+    return iPxHrPos;
+}
+#if FFX_HALF
+FFX_MIN16_I2 ComputeHrPosFromLrPos(FFX_MIN16_I2 iPxLrPos)
+{
+    FFX_MIN16_F2 fSrcJitteredPos = FFX_MIN16_F2(iPxLrPos) + FFX_MIN16_F(0.5f) - FFX_MIN16_F2(Jitter());
+    FFX_MIN16_F2 fLrPosInHr = (fSrcJitteredPos / FFX_MIN16_F2(RenderSize())) * FFX_MIN16_F2(DisplaySize());
+    FFX_MIN16_I2 iPxHrPos = FFX_MIN16_I2(floor(fLrPosInHr));
+    return iPxHrPos;
+}
+#endif
+
+FfxFloat32x2 ComputeNdc(FfxFloat32x2 fPxPos, FfxInt32x2 iSize)
+{
+    return fPxPos / FfxFloat32x2(iSize) * FfxFloat32x2(2.0f, -2.0f) + FfxFloat32x2(-1.0f, 1.0f);
+}
+
+FfxFloat32 GetViewSpaceDepth(FfxFloat32 fDeviceDepth)
+{
+    const FfxFloat32x4 fDeviceToViewDepth = DeviceToViewSpaceTransformFactors();
+
+    // fDeviceToViewDepth details found in ffx_fsr3upscaler.cpp
+    return (fDeviceToViewDepth[1] / (fDeviceDepth - fDeviceToViewDepth[0]));
+}
+
+FfxFloat32 GetViewSpaceDepthInMeters(FfxFloat32 fDeviceDepth)
+{
+    return GetViewSpaceDepth(fDeviceDepth) * ViewSpaceToMetersFactor();
+}
+
+FfxFloat32x3 GetViewSpacePosition(FfxInt32x2 iViewportPos, FfxInt32x2 iViewportSize, FfxFloat32 fDeviceDepth)
+{
+    const FfxFloat32x4 fDeviceToViewDepth = DeviceToViewSpaceTransformFactors();
+
+    const FfxFloat32 Z = GetViewSpaceDepth(fDeviceDepth);
+
+    const FfxFloat32x2 fNdcPos = ComputeNdc(iViewportPos, iViewportSize);
+    const FfxFloat32 X = fDeviceToViewDepth[2] * fNdcPos.x * Z;
+    const FfxFloat32 Y = fDeviceToViewDepth[3] * fNdcPos.y * Z;
+
+    return FfxFloat32x3(X, Y, Z);
+}
+
+FfxFloat32x3 GetViewSpacePositionInMeters(FfxInt32x2 iViewportPos, FfxInt32x2 iViewportSize, FfxFloat32 fDeviceDepth)
+{
+    return GetViewSpacePosition(iViewportPos, iViewportSize, fDeviceDepth) * ViewSpaceToMetersFactor();
+}
+
+FfxFloat32 GetMaxDistanceInMeters()
+{
+#if FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+    return GetViewSpaceDepth(0.0f) * ViewSpaceToMetersFactor();
+#else
+    return GetViewSpaceDepth(1.0f) * ViewSpaceToMetersFactor();
+#endif
+}
+
+FfxFloat32x3 PrepareRgb(FfxFloat32x3 fRgb, FfxFloat32 fExposure, FfxFloat32 fPreExposure)
+{
+    fRgb /= fPreExposure;
+    fRgb *= fExposure;
+
+    fRgb = clamp(fRgb, 0.0f, FSR3UPSCALER_FP16_MAX);
+
+    return fRgb;
+}
+
+FfxFloat32x3 UnprepareRgb(FfxFloat32x3 fRgb, FfxFloat32 fExposure)
+{
+    fRgb /= fExposure;
+    fRgb *= PreExposure();
+
+    return fRgb;
+}
+
+
+struct BilinearSamplingData
+{
+    FfxInt32x2 iOffsets[4];
+    FfxFloat32 fWeights[4];
+    FfxInt32x2 iBasePos;
+};
+
+BilinearSamplingData GetBilinearSamplingData(FfxFloat32x2 fUv, FfxInt32x2 iSize)
+{
+    BilinearSamplingData data;
+
+    FfxFloat32x2 fPxSample = (fUv * iSize) - FfxFloat32x2(0.5f, 0.5f);
+    data.iBasePos = FfxInt32x2(floor(fPxSample));
+    FfxFloat32x2 fPxFrac = ffxFract(fPxSample);
+
+    data.iOffsets[0] = FfxInt32x2(0, 0);
+    data.iOffsets[1] = FfxInt32x2(1, 0);
+    data.iOffsets[2] = FfxInt32x2(0, 1);
+    data.iOffsets[3] = FfxInt32x2(1, 1);
+
+    data.fWeights[0] = (1 - fPxFrac.x) * (1 - fPxFrac.y);
+    data.fWeights[1] = (fPxFrac.x) * (1 - fPxFrac.y);
+    data.fWeights[2] = (1 - fPxFrac.x) * (fPxFrac.y);
+    data.fWeights[3] = (fPxFrac.x) * (fPxFrac.y);
+
+    return data;
+}
+
+struct PlaneData
+{
+    FfxFloat32x3 fNormal;
+    FfxFloat32 fDistanceFromOrigin;
+};
+
+PlaneData GetPlaneFromPoints(FfxFloat32x3 fP0, FfxFloat32x3 fP1, FfxFloat32x3 fP2)
+{
+    PlaneData plane;
+
+    FfxFloat32x3 v0 = fP0 - fP1;
+    FfxFloat32x3 v1 = fP0 - fP2;
+    plane.fNormal = normalize(cross(v0, v1));
+    plane.fDistanceFromOrigin = -dot(fP0, plane.fNormal);
+
+    return plane;
+}
+
+FfxFloat32 PointToPlaneDistance(PlaneData plane, FfxFloat32x3 fPoint)
+{
+    return abs(dot(plane.fNormal, fPoint) + plane.fDistanceFromOrigin);
+}
+
+#endif // #if defined(FFX_GPU)
+
+#endif //!defined(FFX_FSR3UPSCALER_COMMON_H)

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_common.h.meta

@@ -0,0 +1,27 @@
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+  serializedVersion: 2
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+  defineConstraints: []
+  isPreloaded: 0
+  isOverridable: 0
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+  validateReferences: 1
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+      Any: 
+    second:
+      enabled: 1
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+  - first:
+      Editor: Editor
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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_compute_luminance_pyramid.h

@@ -0,0 +1,176 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+FFX_GROUPSHARED FfxUInt32 spdCounter;
+
+void SpdIncreaseAtomicCounter(FfxUInt32 slice)
+{
+    SPD_IncreaseAtomicCounter(spdCounter);
+}
+
+FfxUInt32 SpdGetAtomicCounter()
+{
+    return spdCounter;
+}
+
+void SpdResetAtomicCounter(FfxUInt32 slice)
+{
+    SPD_ResetAtomicCounter();
+}
+
+#ifndef SPD_PACKED_ONLY
+FFX_GROUPSHARED FfxFloat32 spdIntermediateR[16][16];
+FFX_GROUPSHARED FfxFloat32 spdIntermediateG[16][16];
+FFX_GROUPSHARED FfxFloat32 spdIntermediateB[16][16];
+FFX_GROUPSHARED FfxFloat32 spdIntermediateA[16][16];
+
+FfxFloat32x4 SpdLoadSourceImage(FfxFloat32x2 tex, FfxUInt32 slice)
+{
+    FfxFloat32x2 fUv = (tex + 0.5f + Jitter()) / RenderSize();
+    fUv = ClampUv(fUv, RenderSize(), InputColorResourceDimensions());
+    FfxFloat32x3 fRgb = SampleInputColor(fUv);
+
+    fRgb /= PreExposure();
+   
+    //compute log luma
+    const FfxFloat32 fLogLuma = log(ffxMax(FSR3UPSCALER_EPSILON, RGBToLuma(fRgb)));
+
+    // Make sure out of screen pixels contribute no value to the end result
+    const FfxFloat32 result = all(FFX_LESS_THAN(tex, RenderSize())) ? fLogLuma : 0.0f;
+
+    return FfxFloat32x4(result, 0, 0, 0);
+}
+
+FfxFloat32x4 SpdLoad(FfxInt32x2 tex, FfxUInt32 slice)
+{
+    return SPD_LoadMipmap5(tex);
+}
+
+void SpdStore(FfxInt32x2 pix, FfxFloat32x4 outValue, FfxUInt32 index, FfxUInt32 slice)
+{
+    if (index == LumaMipLevelToUse() || index == 5)
+    {
+        SPD_SetMipmap(pix, index, outValue.r);
+    }
+
+    if (index == MipCount() - 1) { //accumulate on 1x1 level
+
+        if (all(FFX_EQUAL(pix, FfxInt32x2(0, 0))))
+        {
+            FfxFloat32 prev = SPD_LoadExposureBuffer().y;
+            FfxFloat32 result = outValue.r;
+
+            if (prev < resetAutoExposureAverageSmoothing) // Compare Lavg, so small or negative values
+            {
+                FfxFloat32 rate = 1.0f;
+                result = prev + (result - prev) * (1 - exp(-DeltaTime() * rate));
+            }
+            FfxFloat32x2 spdOutput = FfxFloat32x2(ComputeAutoExposureFromLavg(result), result);
+            SPD_SetExposureBuffer(spdOutput);
+        }
+    }
+}
+
+FfxFloat32x4 SpdLoadIntermediate(FfxUInt32 x, FfxUInt32 y)
+{
+    return FfxFloat32x4(
+        spdIntermediateR[x][y],
+        spdIntermediateG[x][y],
+        spdIntermediateB[x][y],
+        spdIntermediateA[x][y]);
+}
+void SpdStoreIntermediate(FfxUInt32 x, FfxUInt32 y, FfxFloat32x4 value)
+{
+    spdIntermediateR[x][y] = value.x;
+    spdIntermediateG[x][y] = value.y;
+    spdIntermediateB[x][y] = value.z;
+    spdIntermediateA[x][y] = value.w;
+}
+FfxFloat32x4 SpdReduce4(FfxFloat32x4 v0, FfxFloat32x4 v1, FfxFloat32x4 v2, FfxFloat32x4 v3)
+{
+    return (v0 + v1 + v2 + v3) * 0.25f;
+}
+#endif
+
+// define fetch and store functions Packed
+#if FFX_HALF
+
+FFX_GROUPSHARED FfxFloat16x2 spdIntermediateRG[16][16];
+FFX_GROUPSHARED FfxFloat16x2 spdIntermediateBA[16][16];
+
+FfxFloat16x4 SpdLoadSourceImageH(FfxFloat32x2 tex, FfxUInt32 slice)
+{
+    return FfxFloat16x4(0, 0, 0, 0);
+}
+
+FfxFloat16x4 SpdLoadH(FfxInt32x2 p, FfxUInt32 slice)
+{
+    return FfxFloat16x4(0, 0, 0, 0);
+}
+
+void SpdStoreH(FfxInt32x2 p, FfxFloat16x4 value, FfxUInt32 mip, FfxUInt32 slice)
+{
+}
+
+FfxFloat16x4 SpdLoadIntermediateH(FfxUInt32 x, FfxUInt32 y)
+{
+    return FfxFloat16x4(
+        spdIntermediateRG[x][y].x,
+        spdIntermediateRG[x][y].y,
+        spdIntermediateBA[x][y].x,
+        spdIntermediateBA[x][y].y);
+}
+
+void SpdStoreIntermediateH(FfxUInt32 x, FfxUInt32 y, FfxFloat16x4 value)
+{
+    spdIntermediateRG[x][y] = value.xy;
+    spdIntermediateBA[x][y] = value.zw;
+}
+
+FfxFloat16x4 SpdReduce4H(FfxFloat16x4 v0, FfxFloat16x4 v1, FfxFloat16x4 v2, FfxFloat16x4 v3)
+{
+    return (v0 + v1 + v2 + v3) * FfxFloat16(0.25);
+}
+#endif
+
+#include "spd/ffx_spd.h"
+
+void ComputeAutoExposure(FfxUInt32x3 WorkGroupId, FfxUInt32 LocalThreadIndex)
+{
+#if FFX_HALF
+    SpdDownsampleH(
+        FfxUInt32x2(WorkGroupId.xy),
+        FfxUInt32(LocalThreadIndex),
+        FfxUInt32(MipCount()),
+        FfxUInt32(NumWorkGroups()),
+        FfxUInt32(WorkGroupId.z),
+        FfxUInt32x2(WorkGroupOffset()));
+#else
+    SpdDownsample(
+        FfxUInt32x2(WorkGroupId.xy),
+        FfxUInt32(LocalThreadIndex),
+        FfxUInt32(MipCount()),
+        FfxUInt32(NumWorkGroups()),
+        FfxUInt32(WorkGroupId.z),
+        FfxUInt32x2(WorkGroupOffset()));
+#endif
+}

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_compute_luminance_pyramid.h.meta

@@ -0,0 +1,27 @@
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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_depth_clip.h

@@ -0,0 +1,259 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_DEPTH_CLIP_H
+#define FFX_FSR3UPSCALER_DEPTH_CLIP_H
+
+FFX_STATIC const FfxFloat32 DepthClipBaseScale = 4.0f;
+
+FfxFloat32 ComputeDepthClip(FfxFloat32x2 fUvSample, FfxFloat32 fCurrentDepthSample)
+{
+    FfxFloat32 fCurrentDepthViewSpace = GetViewSpaceDepth(fCurrentDepthSample);
+    BilinearSamplingData bilinearInfo = GetBilinearSamplingData(fUvSample, RenderSize());
+
+    FfxFloat32 fDilatedSum = 0.0f;
+    FfxFloat32 fDepth = 0.0f;
+    FfxFloat32 fWeightSum = 0.0f;
+    for (FfxInt32 iSampleIndex = 0; iSampleIndex < 4; iSampleIndex++) {
+
+        const FfxInt32x2 iOffset = bilinearInfo.iOffsets[iSampleIndex];
+        const FfxInt32x2 iSamplePos = bilinearInfo.iBasePos + iOffset;
+
+        if (IsOnScreen(iSamplePos, RenderSize())) {
+            const FfxFloat32 fWeight = bilinearInfo.fWeights[iSampleIndex];
+            if (fWeight > fReconstructedDepthBilinearWeightThreshold) {
+
+                const FfxFloat32 fPrevDepthSample = LoadReconstructedPrevDepth(iSamplePos);
+                const FfxFloat32 fPrevNearestDepthViewSpace = GetViewSpaceDepth(fPrevDepthSample);
+
+                const FfxFloat32 fDepthDiff = fCurrentDepthViewSpace - fPrevNearestDepthViewSpace;
+
+                if (fDepthDiff > 0.0f) {
+
+#if FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+                    const FfxFloat32 fPlaneDepth = ffxMin(fPrevDepthSample, fCurrentDepthSample);
+#else
+                    const FfxFloat32 fPlaneDepth = ffxMax(fPrevDepthSample, fCurrentDepthSample);
+#endif
+                    
+                    const FfxFloat32x3 fCenter = GetViewSpacePosition(FfxInt32x2(RenderSize() * 0.5f), RenderSize(), fPlaneDepth);
+                    const FfxFloat32x3 fCorner = GetViewSpacePosition(FfxInt32x2(0, 0), RenderSize(), fPlaneDepth);
+
+                    const FfxFloat32 fHalfViewportWidth = length(FfxFloat32x2(RenderSize()));
+                    const FfxFloat32 fDepthThreshold = ffxMax(fCurrentDepthViewSpace, fPrevNearestDepthViewSpace);
+
+                    const FfxFloat32 Ksep = 1.37e-05f;
+                    const FfxFloat32 Kfov = length(fCorner) / length(fCenter);
+                    const FfxFloat32 fRequiredDepthSeparation = Ksep * Kfov * fHalfViewportWidth * fDepthThreshold;
+
+                    const FfxFloat32 fResolutionFactor = ffxSaturate(length(FfxFloat32x2(RenderSize())) / length(FfxFloat32x2(1920.0f, 1080.0f)));
+                    const FfxFloat32 fPower = ffxLerp(1.0f, 3.0f, fResolutionFactor);
+                    fDepth += ffxPow(ffxSaturate(FfxFloat32(fRequiredDepthSeparation / fDepthDiff)), fPower) * fWeight;
+                    fWeightSum += fWeight;
+                }
+            }
+        }
+    }
+
+    return (fWeightSum > 0) ? ffxSaturate(1.0f - fDepth / fWeightSum) : 0.0f;
+}
+
+FfxFloat32 ComputeMotionDivergence(FfxInt32x2 iPxPos, FfxInt32x2 iPxInputMotionVectorSize)
+{
+    FfxFloat32 minconvergence = 1.0f;
+
+    FfxFloat32x2 fMotionVectorNucleus = LoadInputMotionVector(iPxPos);
+    FfxFloat32 fNucleusVelocityLr = length(fMotionVectorNucleus * RenderSize());
+    FfxFloat32 fMaxVelocityUv = length(fMotionVectorNucleus);
+
+    const FfxFloat32 MotionVectorVelocityEpsilon = 1e-02f;
+
+    if (fNucleusVelocityLr > MotionVectorVelocityEpsilon) {
+        for (FfxInt32 y = -1; y <= 1; ++y) {
+            for (FfxInt32 x = -1; x <= 1; ++x) {
+
+                FfxInt32x2 sp = ClampLoad(iPxPos, FfxInt32x2(x, y), iPxInputMotionVectorSize);
+
+                FfxFloat32x2 fMotionVector = LoadInputMotionVector(sp);
+                FfxFloat32 fVelocityUv = length(fMotionVector);
+
+                fMaxVelocityUv = ffxMax(fVelocityUv, fMaxVelocityUv);
+                fVelocityUv = ffxMax(fVelocityUv, fMaxVelocityUv);
+                minconvergence = ffxMin(minconvergence, dot(fMotionVector / fVelocityUv, fMotionVectorNucleus / fVelocityUv));
+            }
+        }
+    }
+
+    return ffxSaturate(1.0f - minconvergence) * ffxSaturate(fMaxVelocityUv / 0.01f);
+}
+
+FfxFloat32 ComputeDepthDivergence(FfxInt32x2 iPxPos)
+{
+    const FfxFloat32 fMaxDistInMeters = GetMaxDistanceInMeters();
+    FfxFloat32 fDepthMax = 0.0f;
+    FfxFloat32 fDepthMin = fMaxDistInMeters;
+
+    FfxInt32 iMaxDistFound = 0;
+
+    for (FfxInt32 y = -1; y < 2; y++) {
+        for (FfxInt32 x = -1; x < 2; x++) {
+
+            const FfxInt32x2 iOffset = FfxInt32x2(x, y);
+            const FfxInt32x2 iSamplePos = iPxPos + iOffset;
+
+            const FfxFloat32 fOnScreenFactor = IsOnScreen(iSamplePos, RenderSize()) ? 1.0f : 0.0f;
+            FfxFloat32 fDepth = GetViewSpaceDepthInMeters(LoadDilatedDepth(iSamplePos)) * fOnScreenFactor;
+
+            iMaxDistFound |= FfxInt32(fMaxDistInMeters == fDepth);
+
+            fDepthMin = ffxMin(fDepthMin, fDepth);
+            fDepthMax = ffxMax(fDepthMax, fDepth);
+        }
+    }
+
+    return (1.0f - fDepthMin / fDepthMax) * (FfxBoolean(iMaxDistFound) ? 0.0f : 1.0f);
+}
+
+FfxFloat32 ComputeTemporalMotionDivergence(FfxInt32x2 iPxPos)
+{
+    const FfxFloat32x2 fUv = FfxFloat32x2(iPxPos + 0.5f) / RenderSize();
+
+    FfxFloat32x2 fMotionVector = LoadDilatedMotionVector(iPxPos);
+    FfxFloat32x2 fReprojectedUv = fUv + fMotionVector;
+    fReprojectedUv = ClampUv(fReprojectedUv, RenderSize(), MaxRenderSize());
+    FfxFloat32x2 fPrevMotionVector = SamplePreviousDilatedMotionVector(fReprojectedUv);
+
+    float fPxDistance = length(fMotionVector * DisplaySize());
+    return fPxDistance > 1.0f ? ffxLerp(0.0f, 1.0f - ffxSaturate(length(fPrevMotionVector) / length(fMotionVector)), ffxSaturate(ffxPow(fPxDistance / 20.0f, 3.0f))) : 0;
+}
+
+void PreProcessReactiveMasks(FfxInt32x2 iPxLrPos, FfxFloat32 fMotionDivergence)
+{
+    // Compensate for bilinear sampling in accumulation pass
+
+    FfxFloat32x3 fReferenceColor = LoadInputColor(iPxLrPos).xyz;
+    FfxFloat32x2 fReactiveFactor = FfxFloat32x2(0.0f, fMotionDivergence);
+
+    float fMasksSum = 0.0f;
+
+    FfxFloat32x3 fColorSamples[9];
+    FfxFloat32 fReactiveSamples[9];
+    FfxFloat32 fTransparencyAndCompositionSamples[9];
+
+    FFX_UNROLL
+    for (FfxInt32 y = -1; y < 2; y++) {
+        FFX_UNROLL
+        for (FfxInt32 x = -1; x < 2; x++) {
+
+            const FfxInt32x2 sampleCoord = ClampLoad(iPxLrPos, FfxInt32x2(x, y), FfxInt32x2(RenderSize()));
+
+            FfxInt32 sampleIdx = (y + 1) * 3 + x + 1;
+
+            FfxFloat32x3 fColorSample = LoadInputColor(sampleCoord).xyz;
+            FfxFloat32 fReactiveSample = LoadReactiveMask(sampleCoord);
+            FfxFloat32 fTransparencyAndCompositionSample = LoadTransparencyAndCompositionMask(sampleCoord);
+
+            fColorSamples[sampleIdx] = fColorSample;
+            fReactiveSamples[sampleIdx] = fReactiveSample;
+            fTransparencyAndCompositionSamples[sampleIdx] = fTransparencyAndCompositionSample;
+
+            fMasksSum += (fReactiveSample + fTransparencyAndCompositionSample);
+        }
+    }
+
+    if (fMasksSum > 0)
+    {
+        for (FfxInt32 sampleIdx = 0; sampleIdx < 9; sampleIdx++)
+        {
+            FfxFloat32x3 fColorSample = fColorSamples[sampleIdx];
+            FfxFloat32 fReactiveSample = fReactiveSamples[sampleIdx];
+            FfxFloat32 fTransparencyAndCompositionSample = fTransparencyAndCompositionSamples[sampleIdx];
+
+            const FfxFloat32 fMaxLenSq = ffxMax(dot(fReferenceColor, fReferenceColor), dot(fColorSample, fColorSample));
+            const FfxFloat32 fSimilarity = dot(fReferenceColor, fColorSample) / fMaxLenSq;
+
+            // Increase power for non-similar samples
+            const FfxFloat32 fPowerBiasMax = 6.0f;
+            const FfxFloat32 fSimilarityPower = 1.0f + (fPowerBiasMax - fSimilarity * fPowerBiasMax);
+            const FfxFloat32 fWeightedReactiveSample = ffxPow(fReactiveSample, fSimilarityPower);
+            const FfxFloat32 fWeightedTransparencyAndCompositionSample = ffxPow(fTransparencyAndCompositionSample, fSimilarityPower);
+
+            fReactiveFactor = ffxMax(fReactiveFactor, FfxFloat32x2(fWeightedReactiveSample, fWeightedTransparencyAndCompositionSample));
+        }
+    }
+
+    StoreDilatedReactiveMasks(iPxLrPos, fReactiveFactor);
+}
+
+FfxFloat32x3 ComputePreparedInputColor(FfxInt32x2 iPxLrPos)
+{
+    //We assume linear data. if non-linear input (sRGB, ...),
+    //then we should convert to linear first and back to sRGB on output.
+    FfxFloat32x3 fRgb = ffxMax(FfxFloat32x3(0, 0, 0), LoadInputColor(iPxLrPos));
+
+    fRgb = PrepareRgb(fRgb, Exposure(), PreExposure());
+
+    const FfxFloat32x3 fPreparedYCoCg = RGBToYCoCg(fRgb);
+
+    return fPreparedYCoCg;
+}
+
+FfxFloat32 EvaluateSurface(FfxInt32x2 iPxPos, FfxFloat32x2 fMotionVector)
+{
+    FfxFloat32 d0 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, -1)));
+    FfxFloat32 d1 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, 0)));
+    FfxFloat32 d2 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, 1)));
+
+    return 1.0f - FfxFloat32(((d0 - d1) > (d1 * 0.01f)) && ((d1 - d2) > (d2 * 0.01f)));
+}
+
+void DepthClip(FfxInt32x2 iPxPos)
+{
+    FfxFloat32x2 fDepthUv = (iPxPos + 0.5f) / RenderSize();
+    FfxFloat32x2 fMotionVector = LoadDilatedMotionVector(iPxPos);
+
+    // Discard tiny mvs
+    fMotionVector *= FfxFloat32(length(fMotionVector * DisplaySize()) > 0.01f);
+
+    const FfxFloat32x2 fDilatedUv = fDepthUv + fMotionVector;
+    const FfxFloat32 fDilatedDepth = LoadDilatedDepth(iPxPos);
+    const FfxFloat32 fCurrentDepthViewSpace = GetViewSpaceDepth(LoadInputDepth(iPxPos));
+
+    // Compute prepared input color and depth clip
+    FfxFloat32 fDepthClip = ComputeDepthClip(fDilatedUv, fDilatedDepth) * EvaluateSurface(iPxPos, fMotionVector);
+    FfxFloat32x3 fPreparedYCoCg = ComputePreparedInputColor(iPxPos);
+    StorePreparedInputColor(iPxPos, FfxFloat32x4(fPreparedYCoCg, fDepthClip));
+
+    // Compute dilated reactive mask
+#if FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+    FfxInt32x2 iSamplePos = iPxPos;
+#else
+    FfxInt32x2 iSamplePos = ComputeHrPosFromLrPos(iPxPos);
+#endif
+
+    FfxFloat32 fMotionDivergence = ComputeMotionDivergence(iSamplePos, RenderSize());
+    FfxFloat32 fTemporalMotionDifference = ffxSaturate(ComputeTemporalMotionDivergence(iPxPos) - ComputeDepthDivergence(iPxPos));
+
+    PreProcessReactiveMasks(iPxPos, ffxMax(fTemporalMotionDifference, fMotionDivergence));
+}
+
+#endif //!defined( FFX_FSR3UPSCALER_DEPTH_CLIPH )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_depth_clip.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_lock.h

@@ -0,0 +1,116 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_LOCK_H
+#define FFX_FSR3UPSCALER_LOCK_H
+
+void ClearResourcesForNextFrame(in FfxInt32x2 iPxHrPos)
+{
+    if (all(FFX_LESS_THAN(iPxHrPos, FfxInt32x2(RenderSize()))))
+    {
+#if FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+        const FfxUInt32 farZ = 0x0;
+#else
+        const FfxUInt32 farZ = 0x3f800000;
+#endif
+        SetReconstructedDepth(iPxHrPos, farZ);
+    }
+}
+
+FfxBoolean ComputeThinFeatureConfidence(FfxInt32x2 pos)
+{
+    const FfxInt32 RADIUS = 1;
+
+    FfxFloat32 fNucleus = LoadLockInputLuma(pos);
+
+    FfxFloat32 similar_threshold = 1.05f;
+    FfxFloat32 dissimilarLumaMin = FSR3UPSCALER_FLT_MAX;
+    FfxFloat32 dissimilarLumaMax = 0;
+
+    /*
+     0 1 2
+     3 4 5
+     6 7 8
+    */
+
+    #define SETBIT(x) (1U << x)
+
+    FfxUInt32 mask = SETBIT(4); //flag fNucleus as similar
+
+    const FfxUInt32 uNumRejectionMasks = 4;
+    const FfxUInt32 uRejectionMasks[uNumRejectionMasks] = {
+        SETBIT(0) | SETBIT(1) | SETBIT(3) | SETBIT(4), //Upper left
+        SETBIT(1) | SETBIT(2) | SETBIT(4) | SETBIT(5), //Upper right
+        SETBIT(3) | SETBIT(4) | SETBIT(6) | SETBIT(7), //Lower left
+        SETBIT(4) | SETBIT(5) | SETBIT(7) | SETBIT(8), //Lower right
+    };
+
+    FfxInt32 idx = 0;
+    FFX_UNROLL
+    for (FfxInt32 y = -RADIUS; y <= RADIUS; y++) {
+        FFX_UNROLL
+        for (FfxInt32 x = -RADIUS; x <= RADIUS; x++, idx++) {
+            if (x == 0 && y == 0) continue;
+
+            FfxInt32x2 samplePos = ClampLoad(pos, FfxInt32x2(x, y), FfxInt32x2(RenderSize()));
+
+            FfxFloat32 sampleLuma = LoadLockInputLuma(samplePos);
+            FfxFloat32 difference = ffxMax(sampleLuma, fNucleus) / ffxMin(sampleLuma, fNucleus);
+
+            if (difference > 0 && (difference < similar_threshold)) {
+                mask |= SETBIT(idx);
+            } else {
+                dissimilarLumaMin = ffxMin(dissimilarLumaMin, sampleLuma);
+                dissimilarLumaMax = ffxMax(dissimilarLumaMax, sampleLuma);
+            }
+        }
+    }
+
+    FfxBoolean isRidge = fNucleus > dissimilarLumaMax || fNucleus < dissimilarLumaMin;
+
+    if (FFX_FALSE == isRidge) {
+
+        return false;
+    }
+
+    FFX_UNROLL
+    for (FfxInt32 i = 0; i < 4; i++) {
+
+        if ((mask & uRejectionMasks[i]) == uRejectionMasks[i]) {
+            return false;
+        }
+    }
+    
+    return true;
+}
+
+void ComputeLock(FfxInt32x2 iPxLrPos)
+{
+    if (ComputeThinFeatureConfidence(iPxLrPos))
+    {
+        StoreNewLocks(ComputeHrPosFromLrPos(iPxLrPos), 1.f);
+    }
+
+    // ClearResourcesForNextFrame(iPxLrPos);
+}
+
+#endif // FFX_FSR3UPSCALER_LOCK_H

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_lock.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_postprocess_lock_status.h

@@ -0,0 +1,107 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_POSTPROCESS_LOCK_STATUS_H
+#define FFX_FSR3UPSCALER_POSTPROCESS_LOCK_STATUS_H
+
+FfxFloat32x4 WrapShadingChangeLuma(FfxInt32x2 iPxSample)
+{
+    return FfxFloat32x4(LoadMipLuma(iPxSample, LumaMipLevelToUse()), 0, 0, 0);
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 WrapShadingChangeLuma(FFX_MIN16_I2 iPxSample)
+{
+    return FFX_MIN16_F4(LoadMipLuma(iPxSample, LumaMipLevelToUse()), 0, 0, 0);
+}
+#endif
+
+#if FFX_FSR3UPSCALER_OPTION_POSTPROCESSLOCKSTATUS_SAMPLERS_USE_DATA_HALF && FFX_HALF
+DeclareCustomFetchBilinearSamplesMin16(FetchShadingChangeLumaSamples, WrapShadingChangeLuma)
+#else
+DeclareCustomFetchBicubicSamples(FetchShadingChangeLumaSamples, WrapShadingChangeLuma)
+#endif
+DeclareCustomTextureSample(ShadingChangeLumaSample, Lanczos2, FetchShadingChangeLumaSamples)
+
+FfxFloat32 GetShadingChangeLuma(FfxInt32x2 iPxHrPos, FfxFloat32x2 fUvCoord)
+{
+    FfxFloat32 fShadingChangeLuma = 0;
+
+#if 0
+    fShadingChangeLuma = Exposure() * exp(ShadingChangeLumaSample(fUvCoord, LumaMipDimensions()).x);
+#else
+
+    const FfxFloat32 fDiv = FfxFloat32(2u << LumaMipLevelToUse());
+    FfxInt32x2 iMipRenderSize = FfxInt32x2(RenderSize() / fDiv);
+
+    fUvCoord = ClampUv(fUvCoord, iMipRenderSize, LumaMipDimensions());
+    fShadingChangeLuma = Exposure() * exp(FfxFloat32(SampleMipLuma(fUvCoord, LumaMipLevelToUse())));
+#endif
+
+    fShadingChangeLuma = ffxPow(fShadingChangeLuma, 1.0f / 6.0f);
+
+    return fShadingChangeLuma;
+}
+
+void UpdateLockStatus(AccumulationPassCommonParams params,
+    FFX_PARAMETER_INOUT FfxFloat32 fReactiveFactor, LockState state,
+    FFX_PARAMETER_INOUT FfxFloat32x2 fLockStatus,
+    FFX_PARAMETER_OUT FfxFloat32 fLockContributionThisFrame,
+    FFX_PARAMETER_OUT FfxFloat32 fLuminanceDiff) {
+
+    const FfxFloat32 fShadingChangeLuma = GetShadingChangeLuma(params.iPxHrPos, params.fHrUv);
+
+    //init temporal shading change factor, init to -1 or so in reproject to know if "true new"?
+    fLockStatus[LOCK_TEMPORAL_LUMA] = (fLockStatus[LOCK_TEMPORAL_LUMA] == FfxFloat32(0.0f)) ? fShadingChangeLuma : fLockStatus[LOCK_TEMPORAL_LUMA];
+
+    FfxFloat32 fPreviousShadingChangeLuma = fLockStatus[LOCK_TEMPORAL_LUMA];
+
+    fLuminanceDiff = 1.0f - MinDividedByMax(fPreviousShadingChangeLuma, fShadingChangeLuma);
+
+    if (state.NewLock) {
+        fLockStatus[LOCK_TEMPORAL_LUMA] = fShadingChangeLuma;
+
+        fLockStatus[LOCK_LIFETIME_REMAINING] = (fLockStatus[LOCK_LIFETIME_REMAINING] != 0.0f) ? 2.0f : 1.0f;
+    }
+    else if(fLockStatus[LOCK_LIFETIME_REMAINING] <= 1.0f) {
+        fLockStatus[LOCK_TEMPORAL_LUMA] = ffxLerp(fLockStatus[LOCK_TEMPORAL_LUMA], FfxFloat32(fShadingChangeLuma), 0.5f);
+    }
+    else {
+        if (fLuminanceDiff > 0.1f) {
+            KillLock(fLockStatus);
+        }
+    }
+
+    fReactiveFactor = ffxMax(fReactiveFactor, ffxSaturate((fLuminanceDiff - 0.1f) * 10.0f));
+    fLockStatus[LOCK_LIFETIME_REMAINING] *= (1.0f - fReactiveFactor);
+
+    fLockStatus[LOCK_LIFETIME_REMAINING] *= ffxSaturate(1.0f - params.fAccumulationMask);
+    fLockStatus[LOCK_LIFETIME_REMAINING] *= FfxFloat32(params.fDepthClipFactor < 0.1f);
+
+    // Compute this frame lock contribution
+    const FfxFloat32 fLifetimeContribution = ffxSaturate(fLockStatus[LOCK_LIFETIME_REMAINING] - 1.0f);
+    const FfxFloat32 fShadingChangeContribution = ffxSaturate(MinDividedByMax(fLockStatus[LOCK_TEMPORAL_LUMA], fShadingChangeLuma));
+
+    fLockContributionThisFrame = ffxSaturate(ffxSaturate(fLifetimeContribution * 4.0f) * fShadingChangeContribution);
+}
+
+#endif //!defined( FFX_FSR3UPSCALER_POSTPROCESS_LOCK_STATUS_H )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_postprocess_lock_status.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_rcas.h

@@ -0,0 +1,67 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#define GROUP_SIZE  8
+#define FSR_RCAS_DENOISE 1
+
+#include "ffx_core.h"
+
+void WriteUpscaledOutput(FFX_MIN16_U2 iPxHrPos, FfxFloat32x3 fUpscaledColor)
+{
+    StoreUpscaledOutput(FFX_MIN16_I2(iPxHrPos), fUpscaledColor);
+}
+
+#define FSR_RCAS_F 1
+FfxFloat32x4 FsrRcasLoadF(FfxInt32x2 p)
+{
+    FfxFloat32x4 fColor = LoadRCAS_Input(p);
+
+    fColor.rgb = PrepareRgb(fColor.rgb, Exposure(), PreExposure());
+
+    return fColor;
+}
+void FsrRcasInputF(inout FfxFloat32 r, inout FfxFloat32 g, inout FfxFloat32 b) {}
+
+#include "fsr1/ffx_fsr1.h"
+
+void CurrFilter(FFX_MIN16_U2 pos)
+{
+    FfxFloat32x3 c;
+    FsrRcasF(c.r, c.g, c.b, pos, RCASConfig());
+
+    c = UnprepareRgb(c, Exposure());
+
+    WriteUpscaledOutput(pos, c);
+}
+
+void RCAS(FfxUInt32x3 LocalThreadId, FfxUInt32x3 WorkGroupId, FfxUInt32x3 Dtid)
+{
+    // Do remapping of local xy in workgroup for a more PS-like swizzle pattern.
+    FfxUInt32x2 gxy = ffxRemapForQuad(LocalThreadId.x) + FfxUInt32x2(WorkGroupId.x << 4u, WorkGroupId.y << 4u);
+    CurrFilter(FFX_MIN16_U2(gxy));
+    gxy.x += 8u;
+    CurrFilter(FFX_MIN16_U2(gxy));
+    gxy.y += 8u;
+    CurrFilter(FFX_MIN16_U2(gxy));
+    gxy.x -= 8u;
+    CurrFilter(FFX_MIN16_U2(gxy));
+}

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_rcas.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_reconstruct_dilated_velocity_and_previous_depth.h

@@ -0,0 +1,146 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H
+#define FFX_FSR3UPSCALER_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H
+
+void ReconstructPrevDepth(FfxInt32x2 iPxPos, FfxFloat32 fDepth, FfxFloat32x2 fMotionVector, FfxInt32x2 iPxDepthSize)
+{
+    fMotionVector *= FfxFloat32(length(fMotionVector * DisplaySize()) > 0.1f);
+
+    FfxFloat32x2 fUv = (iPxPos + FfxFloat32(0.5)) / iPxDepthSize;
+    FfxFloat32x2 fReprojectedUv = fUv + fMotionVector;
+ 
+    BilinearSamplingData bilinearInfo = GetBilinearSamplingData(fReprojectedUv, RenderSize());
+
+    // Project current depth into previous frame locations.
+    // Push to all pixels having some contribution if reprojection is using bilinear logic.
+    for (FfxInt32 iSampleIndex = 0; iSampleIndex < 4; iSampleIndex++) {
+        
+        const FfxInt32x2 iOffset = bilinearInfo.iOffsets[iSampleIndex];
+        FfxFloat32 fWeight = bilinearInfo.fWeights[iSampleIndex];
+
+        if (fWeight > fReconstructedDepthBilinearWeightThreshold) {
+
+            FfxInt32x2 iStorePos = bilinearInfo.iBasePos + iOffset;
+            if (IsOnScreen(iStorePos, iPxDepthSize)) {
+                StoreReconstructedDepth(iStorePos, fDepth);
+            }
+        }
+    }
+}
+
+void FindNearestDepth(FFX_PARAMETER_IN FfxInt32x2 iPxPos, FFX_PARAMETER_IN FfxInt32x2 iPxSize, FFX_PARAMETER_OUT FfxFloat32 fNearestDepth, FFX_PARAMETER_OUT FfxInt32x2 fNearestDepthCoord)
+{
+    const FfxInt32 iSampleCount = 9;
+    const FfxInt32x2 iSampleOffsets[iSampleCount] = {
+        FfxInt32x2(+0, +0),
+        FfxInt32x2(+1, +0),
+        FfxInt32x2(+0, +1),
+        FfxInt32x2(+0, -1),
+        FfxInt32x2(-1, +0),
+        FfxInt32x2(-1, +1),
+        FfxInt32x2(+1, +1),
+        FfxInt32x2(-1, -1),
+        FfxInt32x2(+1, -1),
+    };
+
+    // pull out the depth loads to allow SC to batch them
+    FfxFloat32 depth[9];
+    FfxInt32 iSampleIndex = 0;
+    FFX_UNROLL
+    for (iSampleIndex = 0; iSampleIndex < iSampleCount; ++iSampleIndex) {
+
+        FfxInt32x2 iPos = iPxPos + iSampleOffsets[iSampleIndex];
+        depth[iSampleIndex] = LoadInputDepth(iPos);
+    }
+
+    // find closest depth
+    fNearestDepthCoord = iPxPos;
+    fNearestDepth = depth[0];
+    FFX_UNROLL
+    for (iSampleIndex = 1; iSampleIndex < iSampleCount; ++iSampleIndex) {
+
+        FfxInt32x2 iPos = iPxPos + iSampleOffsets[iSampleIndex];
+        if (IsOnScreen(iPos, iPxSize)) {
+
+            FfxFloat32 fNdDepth = depth[iSampleIndex];
+#if FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
+            if (fNdDepth > fNearestDepth) {
+#else
+            if (fNdDepth < fNearestDepth) {
+#endif
+                fNearestDepthCoord = iPos;
+                fNearestDepth = fNdDepth;
+            }
+        }
+    }
+}
+
+FfxFloat32 ComputeLockInputLuma(FfxInt32x2 iPxLrPos)
+{
+    //We assume linear data. if non-linear input (sRGB, ...),
+    //then we should convert to linear first and back to sRGB on output.
+    FfxFloat32x3 fRgb = ffxMax(FfxFloat32x3(0, 0, 0), LoadInputColor(iPxLrPos));
+
+    // Use internal auto exposure for locking logic
+    fRgb /= PreExposure();
+    fRgb *= Exposure();
+
+#if FFX_FSR3UPSCALER_OPTION_HDR_COLOR_INPUT
+    fRgb = Tonemap(fRgb);
+#endif
+
+    //compute luma used to lock pixels, if used elsewhere the ffxPow must be moved!
+    const FfxFloat32 fLockInputLuma = ffxPow(RGBToPerceivedLuma(fRgb), FfxFloat32(1.0 / 6.0));
+
+    return fLockInputLuma;
+}
+
+void ReconstructAndDilate(FfxInt32x2 iPxLrPos)
+{
+    FfxFloat32 fDilatedDepth;
+    FfxInt32x2 iNearestDepthCoord;
+
+    FindNearestDepth(iPxLrPos, RenderSize(), fDilatedDepth, iNearestDepthCoord);
+
+#if FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+    FfxInt32x2 iSamplePos = iPxLrPos;
+    FfxInt32x2 iMotionVectorPos = iNearestDepthCoord;
+#else
+    FfxInt32x2 iSamplePos = ComputeHrPosFromLrPos(iPxLrPos);
+    FfxInt32x2 iMotionVectorPos = ComputeHrPosFromLrPos(iNearestDepthCoord);
+#endif
+
+    FfxFloat32x2 fDilatedMotionVector = LoadInputMotionVector(iMotionVectorPos);
+
+    StoreDilatedDepth(iPxLrPos, fDilatedDepth);
+    StoreDilatedMotionVector(iPxLrPos, fDilatedMotionVector);
+
+    ReconstructPrevDepth(iPxLrPos, fDilatedDepth, fDilatedMotionVector, RenderSize());
+
+    FfxFloat32 fLockInputLuma = ComputeLockInputLuma(iPxLrPos);
+    StoreLockInputLuma(iPxLrPos, fLockInputLuma);
+}
+
+
+#endif //!defined( FFX_FSR3UPSCALER_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_reconstruct_dilated_velocity_and_previous_depth.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_reproject.h

@@ -0,0 +1,137 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_REPROJECT_H
+#define FFX_FSR3UPSCALER_REPROJECT_H
+
+#ifndef FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE
+#define FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE 0 // Reference
+#endif
+
+FfxFloat32x4 WrapHistory(FfxInt32x2 iPxSample)
+{
+    return LoadHistory(iPxSample);
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 WrapHistory(FFX_MIN16_I2 iPxSample)
+{
+    return FFX_MIN16_F4(LoadHistory(iPxSample));
+}
+#endif
+
+
+#if FFX_FSR3UPSCALER_OPTION_REPROJECT_SAMPLERS_USE_DATA_HALF && FFX_HALF
+DeclareCustomFetchBicubicSamplesMin16(FetchHistorySamples, WrapHistory)
+DeclareCustomTextureSampleMin16(HistorySample, FFX_FSR3UPSCALER_GET_LANCZOS_SAMPLER1D(FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE), FetchHistorySamples)
+#else
+DeclareCustomFetchBicubicSamples(FetchHistorySamples, WrapHistory)
+DeclareCustomTextureSample(HistorySample, FFX_FSR3UPSCALER_GET_LANCZOS_SAMPLER1D(FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE), FetchHistorySamples)
+#endif
+
+FfxFloat32x4 WrapLockStatus(FfxInt32x2 iPxSample)
+{
+    FfxFloat32x4 fSample = FfxFloat32x4(LoadLockStatus(iPxSample), 0.0f, 0.0f);
+    return fSample;
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 WrapLockStatus(FFX_MIN16_I2 iPxSample)
+{
+    FFX_MIN16_F4 fSample = FFX_MIN16_F4(LoadLockStatus(iPxSample), 0.0, 0.0);
+
+    return fSample;
+}
+#endif
+
+#if 1
+#if FFX_FSR3UPSCALER_OPTION_REPROJECT_SAMPLERS_USE_DATA_HALF && FFX_HALF
+DeclareCustomFetchBilinearSamplesMin16(FetchLockStatusSamples, WrapLockStatus)
+DeclareCustomTextureSampleMin16(LockStatusSample, Bilinear, FetchLockStatusSamples)
+#else
+DeclareCustomFetchBilinearSamples(FetchLockStatusSamples, WrapLockStatus)
+DeclareCustomTextureSample(LockStatusSample, Bilinear, FetchLockStatusSamples)
+#endif
+#else
+#if FFX_FSR3UPSCALER_OPTION_REPROJECT_SAMPLERS_USE_DATA_HALF && FFX_HALF
+DeclareCustomFetchBicubicSamplesMin16(FetchLockStatusSamples, WrapLockStatus)
+DeclareCustomTextureSampleMin16(LockStatusSample, FFX_FSR3UPSCALER_GET_LANCZOS_SAMPLER1D(FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE), FetchLockStatusSamples)
+#else
+DeclareCustomFetchBicubicSamples(FetchLockStatusSamples, WrapLockStatus)
+DeclareCustomTextureSample(LockStatusSample, FFX_FSR3UPSCALER_GET_LANCZOS_SAMPLER1D(FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE), FetchLockStatusSamples)
+#endif
+#endif
+
+FfxFloat32x2 GetMotionVector(FfxInt32x2 iPxHrPos, FfxFloat32x2 fHrUv)
+{
+#if FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+    FfxFloat32x2 fDilatedMotionVector = LoadDilatedMotionVector(FFX_MIN16_I2(fHrUv * RenderSize()));
+#else
+    FfxFloat32x2 fDilatedMotionVector = LoadInputMotionVector(iPxHrPos);
+#endif
+
+    return fDilatedMotionVector;
+}
+
+FfxBoolean IsUvInside(FfxFloat32x2 fUv)
+{
+    return (fUv.x >= 0.0f && fUv.x <= 1.0f) && (fUv.y >= 0.0f && fUv.y <= 1.0f);
+}
+
+void ComputeReprojectedUVs(const AccumulationPassCommonParams params, FFX_PARAMETER_OUT FfxFloat32x2 fReprojectedHrUv, FFX_PARAMETER_OUT FfxBoolean bIsExistingSample)
+{
+    fReprojectedHrUv = params.fHrUv + params.fMotionVector;
+
+    bIsExistingSample = IsUvInside(fReprojectedHrUv);
+}
+
+void ReprojectHistoryColor(const AccumulationPassCommonParams params, FFX_PARAMETER_OUT FfxFloat32x3 fHistoryColor, FFX_PARAMETER_OUT FfxFloat32 fTemporalReactiveFactor, FFX_PARAMETER_OUT FfxBoolean bInMotionLastFrame)
+{
+    FfxFloat32x4 fHistory = HistorySample(params.fReprojectedHrUv, DisplaySize());
+
+    fHistoryColor = PrepareRgb(fHistory.rgb, Exposure(), PreviousFramePreExposure());
+
+    fHistoryColor = RGBToYCoCg(fHistoryColor);
+
+    //Compute temporal reactivity info
+    fTemporalReactiveFactor = ffxSaturate(abs(fHistory.w));
+    bInMotionLastFrame = (fHistory.w < 0.0f);
+}
+
+LockState ReprojectHistoryLockStatus(const AccumulationPassCommonParams params, FFX_PARAMETER_OUT FfxFloat32x2 fReprojectedLockStatus)
+{
+    LockState state = { FFX_FALSE, FFX_FALSE };
+    const FfxFloat32 fNewLockIntensity = LoadRwNewLocks(params.iPxHrPos);
+    state.NewLock = fNewLockIntensity > (127.0f / 255.0f);
+
+    FfxFloat32 fInPlaceLockLifetime = state.NewLock ? fNewLockIntensity : 0;
+
+    fReprojectedLockStatus = SampleLockStatus(params.fReprojectedHrUv);
+
+    if (fReprojectedLockStatus[LOCK_LIFETIME_REMAINING] != FfxFloat32(0.0f)) {
+        state.WasLockedPrevFrame = true;
+    }
+
+    return state;
+}
+
+#endif //!defined( FFX_FSR3UPSCALER_REPROJECT_H )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_reproject.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_resources.h

@@ -0,0 +1,104 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_RESOURCES_H
+#define FFX_FSR3UPSCALER_RESOURCES_H
+
+#if defined(FFX_CPU) || defined(FFX_GPU)
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_NULL                                           0
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_OPAQUE_ONLY                              1
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_COLOR                                    2
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_MOTION_VECTORS                           3
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_DEPTH                                    4
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_EXPOSURE                                 5
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_REACTIVE_MASK                            6
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INPUT_TRANSPARENCY_AND_COMPOSITION_MASK        7
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_RECONSTRUCTED_PREVIOUS_NEAREST_DEPTH           8
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_DILATED_MOTION_VECTORS                         9
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_DILATED_DEPTH                                  10
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR                        11
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LOCK_STATUS                                    12
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_NEW_LOCKS                                      13
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR                           14
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LUMA_HISTORY                                   15
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_DEBUG_OUTPUT                                   16
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LANCZOS_LUT                                    17
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SPD_ATOMIC_COUNT                               18
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_UPSCALED_OUTPUT                                19
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_RCAS_INPUT                                     20
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LOCK_STATUS_1                                  21
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LOCK_STATUS_2                                  22
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_1                      23
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_2                      24
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_REACTIVITY                    25
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_TRANSPARENCY_AND_COMPOSITION  26
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTITIER_UPSAMPLE_MAXIMUM_BIAS_LUT                      27
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS                         28
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE                                29 // same as FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0                       29
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_1                       30
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_2                       31
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_3                       32
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_4                       33
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_5                       34
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_6                       35
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_7                       36
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_8                       37
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_9                       38
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_10                      39
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_11                      40
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_12                      41
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_EXPOSURE                      42
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_AUTO_EXPOSURE                                  43
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_AUTOREACTIVE                                   44
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_AUTOCOMPOSITION_DEPRECATED                     45
+
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR                           46
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR                          47
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR_1                         48
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR_1                        49
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR_2                         50
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR_2                        51
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_PREVIOUS_DILATED_MOTION_VECTORS                52
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LUMA_HISTORY_1                                 53
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LUMA_HISTORY_2                                 54
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_LOCK_INPUT_LUMA                                55
+
+// Shading change detection mip level setting, value must be in the range [FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0, FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_12]
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_SHADING_CHANGE          FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_4
+#define FFX_FSR3UPSCALER_SHADING_CHANGE_MIP_LEVEL                                           (FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_SHADING_CHANGE - FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_SCENE_LUMINANCE)
+
+#define FFX_FSR3UPSCALER_RESOURCE_IDENTIFIER_COUNT                                          56
+
+#define FFX_FSR3UPSCALER_CONSTANTBUFFER_IDENTIFIER_FSR3UPSCALER                                     0
+#define FFX_FSR3UPSCALER_CONSTANTBUFFER_IDENTIFIER_SPD                                      1
+#define FFX_FSR3UPSCALER_CONSTANTBUFFER_IDENTIFIER_RCAS                                     2
+#define FFX_FSR3UPSCALER_CONSTANTBUFFER_IDENTIFIER_GENREACTIVE                              3
+
+#define FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_TONEMAP                                    1
+#define FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_INVERSETONEMAP                             2
+#define FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_APPLY_THRESHOLD                                  4
+#define FFX_FSR3UPSCALER_AUTOREACTIVEFLAGS_USE_COMPONENTS_MAX                               8
+
+#endif // #if defined(FFX_CPU) || defined(FFX_GPU)
+
+#endif //!defined( FFX_FSR3UPSCALER_RESOURCES_H )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_resources.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_sample.h

@@ -0,0 +1,606 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_SAMPLE_H
+#define FFX_FSR3UPSCALER_SAMPLE_H
+
+// suppress warnings
+#ifdef FFX_HLSL
+#pragma warning(disable: 4008) // potentially divide by zero
+#endif //FFX_HLSL
+
+struct FetchedBilinearSamples {
+
+    FfxFloat32x4 fColor00;
+    FfxFloat32x4 fColor10;
+
+    FfxFloat32x4 fColor01;
+    FfxFloat32x4 fColor11;
+};
+
+struct FetchedBicubicSamples {
+
+    FfxFloat32x4 fColor00;
+    FfxFloat32x4 fColor10;
+    FfxFloat32x4 fColor20;
+    FfxFloat32x4 fColor30;
+
+    FfxFloat32x4 fColor01;
+    FfxFloat32x4 fColor11;
+    FfxFloat32x4 fColor21;
+    FfxFloat32x4 fColor31;
+
+    FfxFloat32x4 fColor02;
+    FfxFloat32x4 fColor12;
+    FfxFloat32x4 fColor22;
+    FfxFloat32x4 fColor32;
+
+    FfxFloat32x4 fColor03;
+    FfxFloat32x4 fColor13;
+    FfxFloat32x4 fColor23;
+    FfxFloat32x4 fColor33;
+};
+
+#if FFX_HALF
+struct FetchedBilinearSamplesMin16 {
+
+    FFX_MIN16_F4 fColor00;
+    FFX_MIN16_F4 fColor10;
+
+    FFX_MIN16_F4 fColor01;
+    FFX_MIN16_F4 fColor11;
+};
+
+struct FetchedBicubicSamplesMin16 {
+
+    FFX_MIN16_F4 fColor00;
+    FFX_MIN16_F4 fColor10;
+    FFX_MIN16_F4 fColor20;
+    FFX_MIN16_F4 fColor30;
+
+    FFX_MIN16_F4 fColor01;
+    FFX_MIN16_F4 fColor11;
+    FFX_MIN16_F4 fColor21;
+    FFX_MIN16_F4 fColor31;
+
+    FFX_MIN16_F4 fColor02;
+    FFX_MIN16_F4 fColor12;
+    FFX_MIN16_F4 fColor22;
+    FFX_MIN16_F4 fColor32;
+
+    FFX_MIN16_F4 fColor03;
+    FFX_MIN16_F4 fColor13;
+    FFX_MIN16_F4 fColor23;
+    FFX_MIN16_F4 fColor33;
+};
+#else //FFX_HALF
+#define FetchedBicubicSamplesMin16 FetchedBicubicSamples
+#define FetchedBilinearSamplesMin16 FetchedBilinearSamples
+#endif //FFX_HALF
+
+FfxFloat32x4 Linear(FfxFloat32x4 A, FfxFloat32x4 B, FfxFloat32 t)
+{
+    return A + (B - A) * t;
+}
+
+FfxFloat32x4 Bilinear(FetchedBilinearSamples BilinearSamples, FfxFloat32x2 fPxFrac)
+{
+    FfxFloat32x4 fColorX0 = Linear(BilinearSamples.fColor00, BilinearSamples.fColor10, fPxFrac.x);
+    FfxFloat32x4 fColorX1 = Linear(BilinearSamples.fColor01, BilinearSamples.fColor11, fPxFrac.x);
+    FfxFloat32x4 fColorXY = Linear(fColorX0, fColorX1, fPxFrac.y);
+    return fColorXY;
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 Linear(FFX_MIN16_F4 A, FFX_MIN16_F4 B, FFX_MIN16_F t)
+{
+    return A + (B - A) * t;
+}
+
+FFX_MIN16_F4 Bilinear(FetchedBilinearSamplesMin16 BilinearSamples, FFX_MIN16_F2 fPxFrac)
+{
+    FFX_MIN16_F4 fColorX0 = Linear(BilinearSamples.fColor00, BilinearSamples.fColor10, fPxFrac.x);
+    FFX_MIN16_F4 fColorX1 = Linear(BilinearSamples.fColor01, BilinearSamples.fColor11, fPxFrac.x);
+    FFX_MIN16_F4 fColorXY = Linear(fColorX0, fColorX1, fPxFrac.y);
+    return fColorXY;
+}
+#endif
+
+FfxFloat32 Lanczos2NoClamp(FfxFloat32 x)
+{
+    const FfxFloat32 PI = 3.141592653589793f; // TODO: share SDK constants
+    return abs(x) < FSR3UPSCALER_EPSILON ? 1.f : (sin(PI * x) / (PI * x)) * (sin(0.5f * PI * x) / (0.5f * PI * x));
+}
+
+FfxFloat32 Lanczos2(FfxFloat32 x)
+{
+    x = ffxMin(abs(x), 2.0f);
+    return Lanczos2NoClamp(x);
+}
+
+#if FFX_HALF
+
+#if 0
+FFX_MIN16_F Lanczos2NoClamp(FFX_MIN16_F x)
+{
+    const FFX_MIN16_F PI = FFX_MIN16_F(3.141592653589793f); // TODO: share SDK constants
+    return abs(x) < FFX_MIN16_F(FSR3UPSCALER_EPSILON) ? FFX_MIN16_F(1.f) : (sin(PI * x) / (PI * x)) * (sin(FFX_MIN16_F(0.5f) * PI * x) / (FFX_MIN16_F(0.5f) * PI * x));
+}
+#endif
+
+FFX_MIN16_F Lanczos2(FFX_MIN16_F x)
+{
+    x = ffxMin(abs(x), FFX_MIN16_F(2.0f));
+    return FFX_MIN16_F(Lanczos2NoClamp(x));
+}
+#endif //FFX_HALF
+
+// FSR1 lanczos approximation. Input is x*x and must be <= 4.
+FfxFloat32 Lanczos2ApproxSqNoClamp(FfxFloat32 x2)
+{
+    FfxFloat32 a = (2.0f / 5.0f) * x2 - 1;
+    FfxFloat32 b = (1.0f / 4.0f) * x2 - 1;
+    return ((25.0f / 16.0f) * a * a - (25.0f / 16.0f - 1)) * (b * b);
+}
+
+#if FFX_HALF
+FFX_MIN16_F Lanczos2ApproxSqNoClamp(FFX_MIN16_F x2)
+{
+    FFX_MIN16_F a = FFX_MIN16_F(2.0f / 5.0f) * x2 - FFX_MIN16_F(1);
+    FFX_MIN16_F b = FFX_MIN16_F(1.0f / 4.0f) * x2 - FFX_MIN16_F(1);
+    return (FFX_MIN16_F(25.0f / 16.0f) * a * a - FFX_MIN16_F(25.0f / 16.0f - 1)) * (b * b);
+}
+#endif //FFX_HALF
+
+FfxFloat32 Lanczos2ApproxSq(FfxFloat32 x2)
+{
+    x2 = ffxMin(x2, 4.0f);
+    return Lanczos2ApproxSqNoClamp(x2);
+}
+
+#if FFX_HALF
+FFX_MIN16_F Lanczos2ApproxSq(FFX_MIN16_F x2)
+{
+    x2 = ffxMin(x2, FFX_MIN16_F(4.0f));
+    return Lanczos2ApproxSqNoClamp(x2);
+}
+#endif //FFX_HALF
+
+FfxFloat32 Lanczos2ApproxNoClamp(FfxFloat32 x)
+{
+    return Lanczos2ApproxSqNoClamp(x * x);
+}
+
+#if FFX_HALF
+FFX_MIN16_F Lanczos2ApproxNoClamp(FFX_MIN16_F x)
+{
+    return Lanczos2ApproxSqNoClamp(x * x);
+}
+#endif //FFX_HALF
+
+FfxFloat32 Lanczos2Approx(FfxFloat32 x)
+{
+    return Lanczos2ApproxSq(x * x);
+}
+
+#if FFX_HALF
+FFX_MIN16_F Lanczos2Approx(FFX_MIN16_F x)
+{
+    return Lanczos2ApproxSq(x * x);
+}
+#endif //FFX_HALF
+
+FfxFloat32 Lanczos2_UseLUT(FfxFloat32 x)
+{
+    return SampleLanczos2Weight(abs(x));
+}
+
+#if FFX_HALF
+FFX_MIN16_F Lanczos2_UseLUT(FFX_MIN16_F x)
+{
+    return FFX_MIN16_F(SampleLanczos2Weight(abs(x)));
+}
+#endif //FFX_HALF
+
+FfxFloat32x4 Lanczos2_UseLUT(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t)
+{
+    FfxFloat32 fWeight0 = Lanczos2_UseLUT(-1.f - t);
+    FfxFloat32 fWeight1 = Lanczos2_UseLUT(-0.f - t);
+    FfxFloat32 fWeight2 = Lanczos2_UseLUT(+1.f - t);
+    FfxFloat32 fWeight3 = Lanczos2_UseLUT(+2.f - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+#if FFX_HALF
+FFX_MIN16_F4 Lanczos2_UseLUT(FFX_MIN16_F4 fColor0, FFX_MIN16_F4 fColor1, FFX_MIN16_F4 fColor2, FFX_MIN16_F4 fColor3, FFX_MIN16_F t)
+{
+    FFX_MIN16_F fWeight0 = Lanczos2_UseLUT(FFX_MIN16_F(-1.f) - t);
+    FFX_MIN16_F fWeight1 = Lanczos2_UseLUT(FFX_MIN16_F(-0.f) - t);
+    FFX_MIN16_F fWeight2 = Lanczos2_UseLUT(FFX_MIN16_F(+1.f) - t);
+    FFX_MIN16_F fWeight3 = Lanczos2_UseLUT(FFX_MIN16_F(+2.f) - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+#endif
+
+FfxFloat32x4 Lanczos2(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t)
+{
+    FfxFloat32 fWeight0 = Lanczos2(-1.f - t);
+    FfxFloat32 fWeight1 = Lanczos2(-0.f - t);
+    FfxFloat32 fWeight2 = Lanczos2(+1.f - t);
+    FfxFloat32 fWeight3 = Lanczos2(+2.f - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+
+FfxFloat32x4 Lanczos2(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac)
+{
+    FfxFloat32x4 fColorX0 = Lanczos2(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FfxFloat32x4 fColorX1 = Lanczos2(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FfxFloat32x4 fColorX2 = Lanczos2(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FfxFloat32x4 fColorX3 = Lanczos2(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FfxFloat32x4 fColorXY = Lanczos2(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FfxFloat32x4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FfxFloat32x4 fDeringingMin = fDeringingSamples[0];
+    FfxFloat32x4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) {
+
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 Lanczos2(FFX_MIN16_F4 fColor0, FFX_MIN16_F4 fColor1, FFX_MIN16_F4 fColor2, FFX_MIN16_F4 fColor3, FFX_MIN16_F t)
+{
+    FFX_MIN16_F fWeight0 = Lanczos2(FFX_MIN16_F(-1.f) - t);
+    FFX_MIN16_F fWeight1 = Lanczos2(FFX_MIN16_F(-0.f) - t);
+    FFX_MIN16_F fWeight2 = Lanczos2(FFX_MIN16_F(+1.f) - t);
+    FFX_MIN16_F fWeight3 = Lanczos2(FFX_MIN16_F(+2.f) - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+
+FFX_MIN16_F4 Lanczos2(FetchedBicubicSamplesMin16 Samples, FFX_MIN16_F2 fPxFrac)
+{
+    FFX_MIN16_F4 fColorX0 = Lanczos2(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FFX_MIN16_F4 fColorX1 = Lanczos2(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FFX_MIN16_F4 fColorX2 = Lanczos2(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FFX_MIN16_F4 fColorX3 = Lanczos2(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FFX_MIN16_F4 fColorXY = Lanczos2(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FFX_MIN16_F4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FFX_MIN16_F4 fDeringingMin = fDeringingSamples[0];
+    FFX_MIN16_F4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex)
+    {
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+#endif //FFX_HALF
+
+
+FfxFloat32x4 Lanczos2LUT(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac)
+{
+    FfxFloat32x4 fColorX0 = Lanczos2_UseLUT(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FfxFloat32x4 fColorX1 = Lanczos2_UseLUT(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FfxFloat32x4 fColorX2 = Lanczos2_UseLUT(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FfxFloat32x4 fColorX3 = Lanczos2_UseLUT(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FfxFloat32x4 fColorXY = Lanczos2_UseLUT(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FfxFloat32x4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FfxFloat32x4 fDeringingMin = fDeringingSamples[0];
+    FfxFloat32x4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) {
+
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 Lanczos2LUT(FetchedBicubicSamplesMin16 Samples, FFX_MIN16_F2 fPxFrac)
+{
+    FFX_MIN16_F4 fColorX0 = Lanczos2_UseLUT(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FFX_MIN16_F4 fColorX1 = Lanczos2_UseLUT(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FFX_MIN16_F4 fColorX2 = Lanczos2_UseLUT(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FFX_MIN16_F4 fColorX3 = Lanczos2_UseLUT(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FFX_MIN16_F4 fColorXY = Lanczos2_UseLUT(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FFX_MIN16_F4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FFX_MIN16_F4 fDeringingMin = fDeringingSamples[0];
+    FFX_MIN16_F4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex)
+    {
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+#endif //FFX_HALF
+
+
+
+FfxFloat32x4 Lanczos2Approx(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t)
+{
+    FfxFloat32 fWeight0 = Lanczos2ApproxNoClamp(-1.f - t);
+    FfxFloat32 fWeight1 = Lanczos2ApproxNoClamp(-0.f - t);
+    FfxFloat32 fWeight2 = Lanczos2ApproxNoClamp(+1.f - t);
+    FfxFloat32 fWeight3 = Lanczos2ApproxNoClamp(+2.f - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 Lanczos2Approx(FFX_MIN16_F4 fColor0, FFX_MIN16_F4 fColor1, FFX_MIN16_F4 fColor2, FFX_MIN16_F4 fColor3, FFX_MIN16_F t)
+{
+    FFX_MIN16_F fWeight0 = Lanczos2ApproxNoClamp(FFX_MIN16_F(-1.f) - t);
+    FFX_MIN16_F fWeight1 = Lanczos2ApproxNoClamp(FFX_MIN16_F(-0.f) - t);
+    FFX_MIN16_F fWeight2 = Lanczos2ApproxNoClamp(FFX_MIN16_F(+1.f) - t);
+    FFX_MIN16_F fWeight3 = Lanczos2ApproxNoClamp(FFX_MIN16_F(+2.f) - t);
+    return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3);
+}
+#endif //FFX_HALF
+
+FfxFloat32x4 Lanczos2Approx(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac)
+{
+    FfxFloat32x4 fColorX0 = Lanczos2Approx(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FfxFloat32x4 fColorX1 = Lanczos2Approx(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FfxFloat32x4 fColorX2 = Lanczos2Approx(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FfxFloat32x4 fColorX3 = Lanczos2Approx(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FfxFloat32x4 fColorXY = Lanczos2Approx(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FfxFloat32x4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FfxFloat32x4 fDeringingMin = fDeringingSamples[0];
+    FfxFloat32x4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex)
+    {
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+
+#if FFX_HALF
+FFX_MIN16_F4 Lanczos2Approx(FetchedBicubicSamplesMin16 Samples, FFX_MIN16_F2 fPxFrac)
+{
+    FFX_MIN16_F4 fColorX0 = Lanczos2Approx(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x);
+    FFX_MIN16_F4 fColorX1 = Lanczos2Approx(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x);
+    FFX_MIN16_F4 fColorX2 = Lanczos2Approx(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x);
+    FFX_MIN16_F4 fColorX3 = Lanczos2Approx(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x);
+    FFX_MIN16_F4 fColorXY = Lanczos2Approx(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y);
+
+    // Deringing
+
+    // TODO: only use 4 by checking jitter
+    const FfxInt32 iDeringingSampleCount = 4;
+    const FFX_MIN16_F4 fDeringingSamples[4] = {
+        Samples.fColor11,
+        Samples.fColor21,
+        Samples.fColor12,
+        Samples.fColor22,
+    };
+
+    FFX_MIN16_F4 fDeringingMin = fDeringingSamples[0];
+    FFX_MIN16_F4 fDeringingMax = fDeringingSamples[0];
+
+    FFX_UNROLL
+    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex)
+    {
+        fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]);
+        fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]);
+    }
+
+    fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax);
+
+    return fColorXY;
+}
+#endif
+
+// Clamp by offset direction. Assuming iPxSample is already in range and iPxOffset is compile time constant.
+FfxInt32x2 ClampCoord(FfxInt32x2 iPxSample, FfxInt32x2 iPxOffset, FfxInt32x2 iTextureSize)
+{
+    FfxInt32x2 result = iPxSample + iPxOffset;
+    result.x = (iPxOffset.x < 0) ? ffxMax(result.x, 0) : result.x;
+    result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - 1) : result.x;
+    result.y = (iPxOffset.y < 0) ? ffxMax(result.y, 0) : result.y;
+    result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - 1) : result.y;
+    return result;
+}
+#if FFX_HALF
+FFX_MIN16_I2 ClampCoord(FFX_MIN16_I2 iPxSample, FFX_MIN16_I2 iPxOffset, FFX_MIN16_I2 iTextureSize)
+{
+    FFX_MIN16_I2 result = iPxSample + iPxOffset;
+    result.x = (iPxOffset.x < FFX_MIN16_I(0)) ? ffxMax(result.x, FFX_MIN16_I(0)) : result.x;
+    result.x = (iPxOffset.x > FFX_MIN16_I(0)) ? ffxMin(result.x, iTextureSize.x - FFX_MIN16_I(1)) : result.x;
+    result.y = (iPxOffset.y < FFX_MIN16_I(0)) ? ffxMax(result.y, FFX_MIN16_I(0)) : result.y;
+    result.y = (iPxOffset.y > FFX_MIN16_I(0)) ? ffxMin(result.y, iTextureSize.y - FFX_MIN16_I(1)) : result.y;
+    return result;
+}
+#endif //FFX_HALF
+
+
+#define DeclareCustomFetchBicubicSamplesWithType(SampleType, TextureType, AddrType, Name, LoadTexture)               \
+    SampleType Name(AddrType iPxSample, AddrType iTextureSize)                                          \
+    {                                                                                                   \
+        SampleType Samples;                                                                             \
+                                                                                                        \
+        Samples.fColor00 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, -1), iTextureSize)));    \
+        Samples.fColor10 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, -1), iTextureSize)));    \
+        Samples.fColor20 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, -1), iTextureSize)));    \
+        Samples.fColor30 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, -1), iTextureSize)));    \
+                                                                                                        \
+        Samples.fColor01 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +0), iTextureSize)));    \
+        Samples.fColor11 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +0), iTextureSize)));    \
+        Samples.fColor21 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +0), iTextureSize)));    \
+        Samples.fColor31 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +0), iTextureSize)));    \
+                                                                                                        \
+        Samples.fColor02 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +1), iTextureSize)));    \
+        Samples.fColor12 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +1), iTextureSize)));    \
+        Samples.fColor22 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +1), iTextureSize)));    \
+        Samples.fColor32 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +1), iTextureSize)));    \
+                                                                                                        \
+        Samples.fColor03 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +2), iTextureSize)));    \
+        Samples.fColor13 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +2), iTextureSize)));    \
+        Samples.fColor23 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +2), iTextureSize)));    \
+        Samples.fColor33 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +2), iTextureSize)));    \
+                                                                                                        \
+        return Samples;                                                                                 \
+    }
+
+#define DeclareCustomFetchBicubicSamples(Name, LoadTexture)                                             \
+    DeclareCustomFetchBicubicSamplesWithType(FetchedBicubicSamples, FfxFloat32x4, FfxInt32x2, Name, LoadTexture)
+
+#define DeclareCustomFetchBicubicSamplesMin16(Name, LoadTexture)                                        \
+    DeclareCustomFetchBicubicSamplesWithType(FetchedBicubicSamplesMin16, FFX_MIN16_F4, FfxInt32x2, Name, LoadTexture)
+
+#define DeclareCustomFetchBilinearSamplesWithType(SampleType, TextureType,AddrType, Name, LoadTexture)  \
+    SampleType Name(AddrType iPxSample, AddrType iTextureSize)                                          \
+    {                                                                                                   \
+        SampleType Samples;                                                                             \
+        Samples.fColor00 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +0), iTextureSize)));           \
+        Samples.fColor10 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +0), iTextureSize)));           \
+        Samples.fColor01 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +1), iTextureSize)));           \
+        Samples.fColor11 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +1), iTextureSize)));           \
+        return Samples;                                                                                 \
+    }
+
+#define DeclareCustomFetchBilinearSamples(Name, LoadTexture)                                             \
+    DeclareCustomFetchBilinearSamplesWithType(FetchedBilinearSamples, FfxFloat32x4, FfxInt32x2, Name, LoadTexture)
+
+#define DeclareCustomFetchBilinearSamplesMin16(Name, LoadTexture)                                        \
+    DeclareCustomFetchBilinearSamplesWithType(FetchedBilinearSamplesMin16, FFX_MIN16_F4, FfxInt32x2, Name, LoadTexture)
+
+// BE CAREFUL: there is some precision issues and (3253, 125) leading to (3252.9989778, 125.001102)
+// is common, so iPxSample can "jitter"
+#define DeclareCustomTextureSample(Name, InterpolateSamples, FetchSamples)                                           \
+    FfxFloat32x4 Name(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize)                                               \
+    {                                                                                                                \
+        FfxFloat32x2 fPxSample = (fUvSample * FfxFloat32x2(iTextureSize)) - FfxFloat32x2(0.5f, 0.5f);                \
+        /* Clamp base coords */                                                                                      \
+        fPxSample.x = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.x), fPxSample.x));                                 \
+        fPxSample.y = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.y), fPxSample.y));                                 \
+        /* */                                                                                                        \
+        FfxInt32x2 iPxSample = FfxInt32x2(floor(fPxSample));                                                         \
+        FfxFloat32x2 fPxFrac = ffxFract(fPxSample);                                                                  \
+        FfxFloat32x4 fColorXY = FfxFloat32x4(InterpolateSamples(FetchSamples(iPxSample, iTextureSize), fPxFrac));    \
+        return fColorXY;                                                                                             \
+    }
+
+#define DeclareCustomTextureSampleMin16(Name, InterpolateSamples, FetchSamples)                                      \
+    FFX_MIN16_F4 Name(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize)                                               \
+    {                                                                                                                \
+        FfxFloat32x2 fPxSample = (fUvSample * FfxFloat32x2(iTextureSize)) - FfxFloat32x2(0.5f, 0.5f);                \
+        /* Clamp base coords */                                                                                      \
+        fPxSample.x = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.x), fPxSample.x));                                 \
+        fPxSample.y = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.y), fPxSample.y));                                 \
+        /* */                                                                                                        \
+        FfxInt32x2 iPxSample = FfxInt32x2(floor(fPxSample));                                                         \
+        FFX_MIN16_F2 fPxFrac = FFX_MIN16_F2(ffxFract(fPxSample));                                                    \
+        FFX_MIN16_F4 fColorXY = FFX_MIN16_F4(InterpolateSamples(FetchSamples(iPxSample, iTextureSize), fPxFrac));    \
+        return fColorXY;                                                                                             \
+    }
+
+#define FFX_FSR3UPSCALER_CONCAT_ID(x, y) x ## y
+#define FFX_FSR3UPSCALER_CONCAT(x, y) FFX_FSR3UPSCALER_CONCAT_ID(x, y)
+#define FFX_FSR3UPSCALER_SAMPLER_1D_0 Lanczos2
+#define FFX_FSR3UPSCALER_SAMPLER_1D_1 Lanczos2LUT
+#define FFX_FSR3UPSCALER_SAMPLER_1D_2 Lanczos2Approx
+
+#define FFX_FSR3UPSCALER_GET_LANCZOS_SAMPLER1D(x) FFX_FSR3UPSCALER_CONCAT(FFX_FSR3UPSCALER_SAMPLER_1D_, x)
+
+#endif //!defined( FFX_FSR3UPSCALER_SAMPLE_H )

Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_sample.h.meta

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Assets/Resources/FSR3/shaders/fsr3upscaler/ffx_fsr3upscaler_upsample.h

@@ -0,0 +1,195 @@
+// This file is part of the FidelityFX SDK.
+// 
+// Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+#ifndef FFX_FSR3UPSCALER_UPSAMPLE_H
+#define FFX_FSR3UPSCALER_UPSAMPLE_H
+
+FFX_STATIC const FfxUInt32 iLanczos2SampleCount = 16;
+
+void Deringing(RectificationBox clippingBox, FFX_PARAMETER_INOUT FfxFloat32x3 fColor)
+{
+    fColor = clamp(fColor, clippingBox.aabbMin, clippingBox.aabbMax);
+}
+#if FFX_HALF
+void Deringing(RectificationBoxMin16 clippingBox, FFX_PARAMETER_INOUT FFX_MIN16_F3 fColor)
+{
+    fColor = clamp(fColor, clippingBox.aabbMin, clippingBox.aabbMax);
+}
+#endif
+
+#ifndef FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE
+#define FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE 2 // Approximate
+#endif
+
+FfxFloat32 GetUpsampleLanczosWeight(FfxFloat32x2 fSrcSampleOffset, FfxFloat32 fKernelWeight)
+{
+    FfxFloat32x2 fSrcSampleOffsetBiased = fSrcSampleOffset * fKernelWeight.xx;
+#if FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 0 // LANCZOS_TYPE_REFERENCE
+    FfxFloat32 fSampleWeight = Lanczos2(length(fSrcSampleOffsetBiased));
+#elif FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 1 // LANCZOS_TYPE_LUT
+    FfxFloat32 fSampleWeight = Lanczos2_UseLUT(length(fSrcSampleOffsetBiased));
+#elif FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 2 // LANCZOS_TYPE_APPROXIMATE
+    FfxFloat32 fSampleWeight = Lanczos2ApproxSq(dot(fSrcSampleOffsetBiased, fSrcSampleOffsetBiased));
+#else
+#error "Invalid Lanczos type"
+#endif
+    return fSampleWeight;
+}
+
+#if FFX_HALF
+FFX_MIN16_F GetUpsampleLanczosWeight(FFX_MIN16_F2 fSrcSampleOffset, FFX_MIN16_F fKernelWeight)
+{
+    FFX_MIN16_F2 fSrcSampleOffsetBiased = fSrcSampleOffset * fKernelWeight.xx;
+#if FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 0 // LANCZOS_TYPE_REFERENCE
+    FFX_MIN16_F fSampleWeight = Lanczos2(length(fSrcSampleOffsetBiased));
+#elif FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 1 // LANCZOS_TYPE_LUT
+    FFX_MIN16_F fSampleWeight = Lanczos2_UseLUT(length(fSrcSampleOffsetBiased));
+#elif FFX_FSR3UPSCALER_OPTION_UPSAMPLE_USE_LANCZOS_TYPE == 2 // LANCZOS_TYPE_APPROXIMATE
+    FFX_MIN16_F fSampleWeight = Lanczos2ApproxSq(dot(fSrcSampleOffsetBiased, fSrcSampleOffsetBiased));
+
+    // To Test: Save reciproqual sqrt compute
+    // FfxFloat32 fSampleWeight = Lanczos2Sq_UseLUT(dot(fSrcSampleOffsetBiased, fSrcSampleOffsetBiased));
+#else
+#error "Invalid Lanczos type"
+#endif
+    return fSampleWeight;
+}
+#endif
+
+FfxFloat32 ComputeMaxKernelWeight() {
+    const FfxFloat32 fKernelSizeBias = 1.0f;
+
+    FfxFloat32 fKernelWeight = FfxFloat32(1) + (FfxFloat32(1.0f) / FfxFloat32x2(DownscaleFactor()) - FfxFloat32(1)).x * FfxFloat32(fKernelSizeBias);
+
+    return ffxMin(FfxFloat32(1.99f), fKernelWeight);
+}
+
+FfxFloat32x4 ComputeUpsampledColorAndWeight(const AccumulationPassCommonParams params,
+    FFX_PARAMETER_INOUT RectificationBox clippingBox, FfxFloat32 fReactiveFactor)
+{
+    #if FFX_FSR3UPSCALER_OPTION_UPSAMPLE_SAMPLERS_USE_DATA_HALF && FFX_HALF
+    #include "ffx_fsr3upscaler_force16_begin.h"
+    #endif
+    // We compute a sliced lanczos filter with 2 lobes (other slices are accumulated temporaly)
+    FfxFloat32x2 fDstOutputPos = FfxFloat32x2(params.iPxHrPos) + FFX_BROADCAST_FLOAT32X2(0.5f);      // Destination resolution output pixel center position
+    FfxFloat32x2 fSrcOutputPos = fDstOutputPos * DownscaleFactor();                   // Source resolution output pixel center position
+    FfxInt32x2 iSrcInputPos = FfxInt32x2(floor(fSrcOutputPos));                     // TODO: what about weird upscale factors...
+
+    #if FFX_FSR3UPSCALER_OPTION_UPSAMPLE_SAMPLERS_USE_DATA_HALF && FFX_HALF
+    #include "ffx_fsr3upscaler_force16_end.h"
+    #endif
+
+    FfxFloat32x3 fSamples[iLanczos2SampleCount];
+
+    FfxFloat32x2 fSrcUnjitteredPos = (FfxFloat32x2(iSrcInputPos) + FfxFloat32x2(0.5f, 0.5f)) - Jitter(); // This is the un-jittered position of the sample at offset 0,0
+
+    FfxInt32x2 offsetTL;
+    offsetTL.x = (fSrcUnjitteredPos.x > fSrcOutputPos.x) ? FfxInt32(-2) : FfxInt32(-1);
+    offsetTL.y = (fSrcUnjitteredPos.y > fSrcOutputPos.y) ? FfxInt32(-2) : FfxInt32(-1);
+
+    //Load samples
+    // If fSrcUnjitteredPos.y > fSrcOutputPos.y, indicates offsetTL.y = -2, sample offset Y will be [-2, 1], clipbox will be rows [1, 3].
+    // Flip row# for sampling offset in this case, so first 0~2 rows in the sampled array can always be used for computing the clipbox.
+    // This reduces branch or cmove on sampled colors, but moving this overhead to sample position / weight calculation time which apply to less values.
+    const FfxBoolean bFlipRow = fSrcUnjitteredPos.y > fSrcOutputPos.y;
+    const FfxBoolean bFlipCol = fSrcUnjitteredPos.x > fSrcOutputPos.x;
+
+    FfxFloat32x2 fOffsetTL = FfxFloat32x2(offsetTL);
+
+    FFX_UNROLL
+    for (FfxInt32 row = 0; row < 3; row++) {
+
+        FFX_UNROLL
+            for (FfxInt32 col = 0; col < 3; col++) {
+                FfxInt32 iSampleIndex = col + (row << 2);
+
+                FfxInt32x2 sampleColRow = FfxInt32x2(bFlipCol ? (3 - col) : col, bFlipRow ? (3 - row) : row);
+                FfxInt32x2 iSrcSamplePos = FfxInt32x2(iSrcInputPos) + offsetTL + sampleColRow;
+
+                const FfxInt32x2 sampleCoord = ClampLoad(iSrcSamplePos, FfxInt32x2(0, 0), FfxInt32x2(RenderSize()));
+
+                fSamples[iSampleIndex] = LoadPreparedInputColor(FfxInt32x2(sampleCoord));
+            }
+    }
+
+    FfxFloat32x4 fColorAndWeight = FfxFloat32x4(0.0f, 0.0f, 0.0f, 0.0f);
+
+    FfxFloat32x2 fBaseSampleOffset = FfxFloat32x2(fSrcUnjitteredPos - fSrcOutputPos);
+
+    // Identify how much of each upsampled color to be used for this frame
+    const FfxFloat32 fKernelReactiveFactor = ffxMax(fReactiveFactor, FfxFloat32(params.bIsNewSample));
+    const FfxFloat32 fKernelBiasMax = ComputeMaxKernelWeight() * (1.0f - fKernelReactiveFactor);
+
+    const FfxFloat32 fKernelBiasMin = ffxMax(1.0f, ((1.0f + fKernelBiasMax) * 0.3f));
+    const FfxFloat32 fKernelBiasFactor = ffxMax(0.0f, ffxMax(0.25f * params.fDepthClipFactor, fKernelReactiveFactor));
+    const FfxFloat32 fKernelBias = ffxLerp(fKernelBiasMax, fKernelBiasMin, fKernelBiasFactor);
+
+    const FfxFloat32 fRectificationCurveBias = ffxLerp(-2.0f, -3.0f, ffxSaturate(params.fHrVelocity / 50.0f));
+
+    FFX_UNROLL
+    for (FfxInt32 row = 0; row < 3; row++) {
+        FFX_UNROLL
+        for (FfxInt32 col = 0; col < 3; col++) {
+            FfxInt32 iSampleIndex = col + (row << 2);
+
+            const FfxInt32x2 sampleColRow = FfxInt32x2(bFlipCol ? (3 - col) : col, bFlipRow ? (3 - row) : row);
+            const FfxFloat32x2 fOffset = fOffsetTL + FfxFloat32x2(sampleColRow);
+            FfxFloat32x2 fSrcSampleOffset = fBaseSampleOffset + fOffset;
+
+            FfxInt32x2 iSrcSamplePos = FfxInt32x2(iSrcInputPos) + FfxInt32x2(offsetTL) + sampleColRow;
+
+            const FfxFloat32 fOnScreenFactor = FfxFloat32(IsOnScreen(FfxInt32x2(iSrcSamplePos), FfxInt32x2(RenderSize())));
+            FfxFloat32 fSampleWeight = fOnScreenFactor * FfxFloat32(GetUpsampleLanczosWeight(fSrcSampleOffset, fKernelBias));
+
+            fColorAndWeight += FfxFloat32x4(fSamples[iSampleIndex] * fSampleWeight, fSampleWeight);
+
+            // Update rectification box
+            {
+                const FfxFloat32 fSrcSampleOffsetSq = dot(fSrcSampleOffset, fSrcSampleOffset);
+                const FfxFloat32 fBoxSampleWeight = exp(fRectificationCurveBias * fSrcSampleOffsetSq);
+
+                const FfxBoolean bInitialSample = (row == 0) && (col == 0);
+                RectificationBoxAddSample(bInitialSample, clippingBox, fSamples[iSampleIndex], fBoxSampleWeight);
+            }
+        }
+    }
+
+    RectificationBoxComputeVarianceBoxData(clippingBox);
+
+    fColorAndWeight.w *= FfxFloat32(fColorAndWeight.w > FSR3UPSCALER_EPSILON);
+
+    if (fColorAndWeight.w > FSR3UPSCALER_EPSILON) {
+        // Normalize for deringing (we need to compare colors)
+        fColorAndWeight.xyz = fColorAndWeight.xyz / fColorAndWeight.w;
+        fColorAndWeight.w *= fUpsampleLanczosWeightScale;
+
+        Deringing(clippingBox, fColorAndWeight.xyz);
+    }
+
+    #if FFX_FSR3UPSCALER_OPTION_UPSAMPLE_SAMPLERS_USE_DATA_HALF && FFX_HALF
+    #include "ffx_fsr3upscaler_force16_end.h"
+    #endif
+
+    return fColorAndWeight;
+}
+
+#endif //!defined( FFX_FSR3UPSCALER_UPSAMPLE_H )

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