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92 lines
4.4 KiB
92 lines
4.4 KiB
// This file is part of the FidelityFX SDK.
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//
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// Copyright (C) 2024 Advanced Micro Devices, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and /or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#define FSR2_BIND_SRV_INPUT_OPAQUE_ONLY 0
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#define FSR2_BIND_SRV_INPUT_COLOR 1
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#define FSR2_BIND_SRV_INPUT_MOTION_VECTORS 2
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#define FSR2_BIND_SRV_PREV_PRE_ALPHA_COLOR 3
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#define FSR2_BIND_SRV_PREV_POST_ALPHA_COLOR 4
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#define FSR2_BIND_SRV_REACTIVE_MASK 4
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#define FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK 5
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#define FSR2_BIND_UAV_AUTOREACTIVE 0
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#define FSR2_BIND_UAV_AUTOCOMPOSITION 1
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#define FSR2_BIND_UAV_PREV_PRE_ALPHA_COLOR 2
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#define FSR2_BIND_UAV_PREV_POST_ALPHA_COLOR 3
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#define FSR2_BIND_CB_FSR2 0
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#define FSR2_BIND_CB_AUTOREACTIVE 1
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#include "fsr2/ffx_fsr2_callbacks_hlsl.h"
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#include "fsr2/ffx_fsr2_common.h"
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#include "fsr2/ffx_fsr2_tcr_autogen.h"
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#ifndef FFX_FSR2_THREAD_GROUP_WIDTH
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#define FFX_FSR2_THREAD_GROUP_WIDTH 8
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#endif // #ifndef FFX_FSR2_THREAD_GROUP_WIDTH
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#ifndef FFX_FSR2_THREAD_GROUP_HEIGHT
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#define FFX_FSR2_THREAD_GROUP_HEIGHT 8
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#endif // FFX_FSR2_THREAD_GROUP_HEIGHT
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#ifndef FFX_FSR2_THREAD_GROUP_DEPTH
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#define FFX_FSR2_THREAD_GROUP_DEPTH 1
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#endif // #ifndef FFX_FSR2_THREAD_GROUP_DEPTH
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#ifndef FFX_FSR2_NUM_THREADS
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#define FFX_FSR2_NUM_THREADS [numthreads(FFX_FSR2_THREAD_GROUP_WIDTH, FFX_FSR2_THREAD_GROUP_HEIGHT, FFX_FSR2_THREAD_GROUP_DEPTH)]
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#endif // #ifndef FFX_FSR2_NUM_THREADS
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FFX_PREFER_WAVE64
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FFX_FSR2_NUM_THREADS
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FFX_FSR2_EMBED_ROOTSIG_REACTIVE_CONTENT
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void CS(uint2 uGroupId : SV_GroupID, uint2 uGroupThreadId : SV_GroupThreadID)
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{
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FFX_MIN16_I2 uDispatchThreadId = FFX_MIN16_I2(uGroupId * uint2(FFX_FSR2_THREAD_GROUP_WIDTH, FFX_FSR2_THREAD_GROUP_HEIGHT) + uGroupThreadId);
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// ToDo: take into account jitter (i.e. add delta of previous jitter and current jitter to previous UV
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// fetch pre- and post-alpha color values
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FFX_MIN16_F2 fUv = ( FFX_MIN16_F2(uDispatchThreadId) + FFX_MIN16_F2(0.5f, 0.5f) ) / FFX_MIN16_F2( RenderSize() );
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FFX_MIN16_F2 fPrevUV = fUv + FFX_MIN16_F2( LoadInputMotionVector(uDispatchThreadId) );
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FFX_MIN16_I2 iPrevIdx = FFX_MIN16_I2(fPrevUV * FFX_MIN16_F2(RenderSize()) - 0.5f);
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FFX_MIN16_F3 colorPreAlpha = FFX_MIN16_F3( LoadOpaqueOnly( uDispatchThreadId ) );
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FFX_MIN16_F3 colorPostAlpha = FFX_MIN16_F3( LoadInputColor( uDispatchThreadId ) );
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FFX_MIN16_F2 outReactiveMask = 0;
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outReactiveMask.y = ComputeTransparencyAndComposition(uDispatchThreadId, iPrevIdx);
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if (outReactiveMask.y > 0.5f)
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{
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outReactiveMask.x = ComputeReactive(uDispatchThreadId, iPrevIdx);
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outReactiveMask.x *= FFX_MIN16_F(ReactiveScale());
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outReactiveMask.x = outReactiveMask.x < ReactiveMax() ? outReactiveMask.x : FFX_MIN16_F(ReactiveMax());
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}
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outReactiveMask.y *= FFX_MIN16_F( TcScale() );
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outReactiveMask.x = max( outReactiveMask.x, FFX_MIN16_F( LoadReactiveMask(uDispatchThreadId) ) );
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outReactiveMask.y = max( outReactiveMask.y, FFX_MIN16_F( LoadTransparencyAndCompositionMask(uDispatchThreadId) ) );
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StoreAutoReactive(uDispatchThreadId, outReactiveMask);
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StorePrevPreAlpha(uDispatchThreadId, colorPreAlpha);
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StorePrevPostAlpha(uDispatchThreadId, colorPostAlpha);
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}
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