Consolidated texture array-related keywords into a single RP-agnostic global keyword that can be enabled from the HDRP integration.

This also removes the need for the core FSR code to check the current render pipeline and hack in a special HDRP mode.

Runtime/FSR2/Fsr2Pass.cs

@@ -95,13 +95,6 @@ namespace FidelityFX
             if ((flags & Fsr2.InitializationFlags.EnableDepthInverted) != 0) ComputeShader.EnableKeyword("FFX_FSR2_OPTION_INVERTED_DEPTH");
             if (useLut) ComputeShader.EnableKeyword("FFX_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE");
             if ((flags & Fsr2.InitializationFlags.EnableFP16Usage) != 0) ComputeShader.EnableKeyword("FFX_HALF");
-
-            // Inform the shader which render pipeline we're currently using
-            var pipeline = GraphicsSettings.currentRenderPipeline;
-            if (pipeline != null && pipeline.GetType().Name.Contains("HDRenderPipeline"))
-            {
-                ComputeShader.EnableKeyword("UNITY_FSR_HDRP");
-            }
         }
     }
 

Runtime/FSR3/Fsr3UpscalerPass.cs

@@ -93,13 +93,6 @@ namespace FidelityFX
             if ((flags & Fsr3Upscaler.InitializationFlags.EnableDepthInverted) != 0) ComputeShader.EnableKeyword("FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH");
             if (useLut) ComputeShader.EnableKeyword("FFX_FSR3UPSCALER_OPTION_REPROJECT_USE_LANCZOS_TYPE");
             if ((flags & Fsr3Upscaler.InitializationFlags.EnableFP16Usage) != 0) ComputeShader.EnableKeyword("FFX_HALF");
-
-            // Inform the shader which render pipeline we're currently using
-            var pipeline = GraphicsSettings.currentRenderPipeline;
-            if (pipeline != null && pipeline.GetType().Name.Contains("HDRenderPipeline"))
-            {
-                ComputeShader.EnableKeyword("UNITY_FSR_HDRP");
-            }
         }
     }
     

Shaders/ffx_fsr2_accumulate_pass.compute

@@ -28,8 +28,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 #pragma multi_compile_local __ FFX_FSR2_OPTION_APPLY_SHARPENING
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_autogen_reactive_pass.compute

@@ -25,8 +25,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_compute_luminance_pyramid_pass.compute

@@ -25,8 +25,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_depth_clip_pass.compute

@@ -25,8 +25,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_lock_pass.compute

@@ -25,6 +25,8 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
+
 #include "ffx_fsr_unity_common.cginc"
 
 #include "shaders/ffx_fsr2_lock_pass.hlsl"

Shaders/ffx_fsr2_rcas_pass.compute

@@ -24,8 +24,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_reconstruct_previous_depth_pass.compute

@@ -26,8 +26,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr2_tcr_autogen_pass.compute

@@ -25,8 +25,7 @@
 #pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_accumulate_pass.compute

@@ -26,8 +26,7 @@
 #pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_APPLY_SHARPENING
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_autogen_reactive_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_debug_view_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_luma_instability_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_luma_pyramid_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_prepare_inputs_pass.compute

@@ -24,8 +24,7 @@
 #pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_LOW_RESOLUTION_MOTION_VECTORS
 #pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_INVERTED_DEPTH
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_prepare_reactivity_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_rcas_pass.compute

@@ -20,8 +20,7 @@
 
 #pragma kernel CS
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_shading_change_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_shading_change_pyramid_pass.compute

@@ -22,8 +22,7 @@
 
 #pragma multi_compile_local __ FFX_HALF
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr3upscaler_tcr_autogen_pass.compute

@@ -23,8 +23,7 @@
 #pragma multi_compile_local __ FFX_HALF
 #pragma multi_compile_local __ FFX_FSR3UPSCALER_OPTION_JITTERED_MOTION_VECTORS
 
-#pragma multi_compile_local __ UNITY_FSR_HDRP
-#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY
+#pragma multi_compile __ UNITY_FSR_TEXTURE2D_X_ARRAY
 
 #include "ffx_fsr_unity_common.cginc"
 

Shaders/ffx_fsr_unity_common.cginc

@@ -46,40 +46,37 @@
 #endif
 
 // Workaround for HDRP using texture arrays for its camera buffers on some platforms
-// The below defines are copied from: Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/TextureXR.hlsl
-#if defined(UNITY_FSR_HDRP)
-    // Must be in sync with C# with property useTexArray in TextureXR.cs
-    #if ((defined(SHADER_API_D3D11) || defined(SHADER_API_D3D12)) && !defined(SHADER_API_XBOXONE) && !defined(SHADER_API_GAMECORE)) || defined(SHADER_API_PSSL) || defined(SHADER_API_VULKAN)
-        #define UNITY_TEXTURE2D_X_ARRAY_SUPPORTED
-    #endif
+// The below defines are adapted from: Packages/com.unity.render-pipelines.core/ShaderLibrary/TextureXR.hlsl
+#if ((defined(SHADER_API_D3D11) || defined(SHADER_API_D3D12)) && !defined(SHADER_API_XBOXONE) && !defined(SHADER_API_GAMECORE)) || defined(SHADER_API_PSSL) || defined(SHADER_API_VULKAN)
+    #define UNITY_TEXTURE2D_X_ARRAY_SUPPORTED
+#endif
 
-    // Control if TEXTURE2D_X macros will expand to texture arrays
-    #if defined(UNITY_TEXTURE2D_X_ARRAY_SUPPORTED) && !defined(DISABLE_TEXTURE2D_X_ARRAY)
-        #define USE_TEXTURE2D_X_AS_ARRAY
-    #endif
+// Control if TEXTURE2D_X macros will expand to texture arrays
+#if defined(UNITY_TEXTURE2D_X_ARRAY_SUPPORTED) && defined(UNITY_FSR_TEXTURE2D_X_ARRAY)
+    #define USE_TEXTURE2D_X_AS_ARRAY
+#endif
 
-    // Early defines for single-pass instancing
-    #if defined(STEREO_INSTANCING_ON) && defined(UNITY_TEXTURE2D_X_ARRAY_SUPPORTED)
-        #define UNITY_STEREO_INSTANCING_ENABLED
-    #endif
+// Early defines for single-pass instancing
+#if defined(STEREO_INSTANCING_ON) && defined(UNITY_TEXTURE2D_X_ARRAY_SUPPORTED)
+    #define UNITY_STEREO_INSTANCING_ENABLED
+#endif
 
-    // Helper macros to handle XR single-pass with Texture2DArray
-    #if defined(USE_TEXTURE2D_X_AS_ARRAY)
+// Helper macros to handle XR single-pass with Texture2DArray
+#if defined(USE_TEXTURE2D_X_AS_ARRAY)
 
-        // Only single-pass stereo instancing used array indexing
-        #if defined(UNITY_STEREO_INSTANCING_ENABLED)
-            static uint unity_StereoEyeIndex;
-            #define SLICE_ARRAY_INDEX   unity_StereoEyeIndex
-        #else
-            #define SLICE_ARRAY_INDEX  0
-        #endif
+    // Only single-pass stereo instancing used array indexing
+    #if defined(UNITY_STEREO_INSTANCING_ENABLED)
+        static uint unity_StereoEyeIndex;
+        #define SLICE_ARRAY_INDEX   unity_StereoEyeIndex
+    #else
+        #define SLICE_ARRAY_INDEX  0
+    #endif
 
-        // Declare and sample camera buffers as texture arrays
-        #define UNITY_FSR_TEX2D(type)          Texture2DArray<type>
-        #define UNITY_FSR_RWTEX2D(type)        RWTexture2DArray<type>
-        #define UNITY_FSR_POS(pxPos)           FfxUInt32x3(pxPos, SLICE_ARRAY_INDEX)
-        #define UNITY_FSR_UV(uv)               FfxFloat32x3(uv, SLICE_ARRAY_INDEX)
-        #define UNITY_FSR_GETDIMS(tex, w, h)   { FfxUInt32 uElements; (tex).GetDimensions((w), (h), uElements); }
+    // Declare and sample camera buffers as texture arrays
+    #define UNITY_FSR_TEX2D(type)          Texture2DArray<type>
+    #define UNITY_FSR_RWTEX2D(type)        RWTexture2DArray<type>
+    #define UNITY_FSR_POS(pxPos)           FfxUInt32x3(pxPos, SLICE_ARRAY_INDEX)
+    #define UNITY_FSR_UV(uv)               FfxFloat32x3(uv, SLICE_ARRAY_INDEX)
+    #define UNITY_FSR_GETDIMS(tex, w, h)   { FfxUInt32 uElements; (tex).GetDimensions((w), (h), uElements); }
     
-    #endif
 #endif