Reworked ASR shaders for modern compilation on DX12, Vulkan, Metal, PS5 and Xbox Series:

- Use DXC compiler
- Enable native 16-bit
- Use wave operations where supported

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_common.cginc

@@ -3,13 +3,6 @@
 #pragma warning(disable: 3205)      // Conversion from larger type to smaller, possible loss of data
 #pragma warning(disable: 3556)      // Integer divides might be much slower, try using uints if possible
 
-// Doesn't work for:
-// - DX11: forces use of DXC which is not supported
-// - XB1: native FP16 seems to be unsupported
-#if defined(SHADER_API_VULKAN) || defined(SHADER_API_PSSL)
-//#pragma require Native16Bit   // *sigh* Unity STILL ignores the #if guard when compiling for standalone
-#endif
-
 // If these keywords are set by Unity, redefine them to have a truthy value
 #ifdef FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE
 #undef FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_compute_luminance_pyramid_pass.compute

@@ -1,14 +0,0 @@
-#pragma kernel main
-
-#pragma multi_compile __ FFXM_HALF
-#pragma multi_compile __ FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS
-#pragma multi_compile __ FFXM_FSR2_OPTION_JITTERED_MOTION_VECTORS
-#pragma multi_compile __ FFXM_FSR2_OPTION_INVERTED_DEPTH
-
-#pragma multi_compile __ UNITY_FFXM_TEXTURE2D_X_ARRAY
-
-#include "ffxm_fsr2_common.cginc"
-
-#define FFXM_SPD_NO_WAVE_OPERATIONS
-
-#include "shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl"

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_fs.shader → Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_fragment_modern.shader

@@ -1,4 +1,4 @@
-Shader "TND/ASR/ffx_fsr2_fs"
+Shader "TND/ASR/ffxm_fsr2_fragment_modern"
 {
     SubShader
     {
@@ -12,6 +12,9 @@ Shader "TND/ASR/ffx_fsr2_fs"
             #pragma vertex VertMain
             #pragma fragment main
             #pragma target 4.5
+            #pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+            #pragma use_dxc
+            #pragma require Native16Bit
             //#pragma enable_d3d11_debug_symbols
             
             #pragma multi_compile __ FFXM_HALF
@@ -32,6 +35,9 @@ Shader "TND/ASR/ffx_fsr2_fs"
             #pragma vertex VertMain
             #pragma fragment main
             #pragma target 4.5
+            #pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+            #pragma use_dxc
+            #pragma require Native16Bit
             //#pragma enable_d3d11_debug_symbols
 
             #pragma multi_compile __ FFXM_HALF
@@ -56,6 +62,9 @@ Shader "TND/ASR/ffx_fsr2_fs"
             #pragma vertex VertMain
             #pragma fragment main
             #pragma target 4.5
+            #pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+            #pragma use_dxc
+            #pragma require Native16Bit
             //#pragma enable_d3d11_debug_symbols
 
             #pragma multi_compile __ FFXM_HALF
@@ -81,6 +90,9 @@ Shader "TND/ASR/ffx_fsr2_fs"
             #pragma vertex VertMain
             #pragma fragment main
             #pragma target 4.5
+            #pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+            #pragma use_dxc
+            #pragma require Native16Bit
             //#pragma enable_d3d11_debug_symbols
 
             #pragma multi_compile __ FFXM_HALF
@@ -108,6 +120,9 @@ Shader "TND/ASR/ffx_fsr2_fs"
             #pragma vertex VertMain
             #pragma fragment main
             #pragma target 4.5
+            #pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+            #pragma use_dxc
+            #pragma require Native16Bit
             //#pragma enable_d3d11_debug_symbols
 
             #pragma multi_compile __ UNITY_FFXM_TEXTURE2D_X_ARRAY

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_lock_pass.compute → Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_lock_modern.compute

@@ -1,4 +1,7 @@
 #pragma kernel main
+#pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+#pragma use_dxc
+#pragma require Native16Bit
 
 #pragma multi_compile __ FFXM_HALF
 #pragma multi_compile __ FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_luma_pyramid_modern.compute

@@ -0,0 +1,24 @@
+#pragma kernel main
+#pragma only_renderers d3d11 vulkan metal ps5 xboxseries
+#pragma use_dxc
+#pragma require Native16Bit
+
+#pragma multi_compile __ FFXM_HALF
+#pragma multi_compile __ FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS
+#pragma multi_compile __ FFXM_FSR2_OPTION_JITTERED_MOTION_VECTORS
+#pragma multi_compile __ FFXM_FSR2_OPTION_INVERTED_DEPTH
+
+#pragma multi_compile __ UNITY_FFXM_TEXTURE2D_X_ARRAY
+
+#include "ffxm_fsr2_common.cginc"
+
+// Enable wave operations for the platforms that support it
+#if (defined(SHADER_API_D3D12) || defined(SHADER_API_VULKAN) || defined(SHADER_API_METAL) || defined(SHADER_API_GAMECORE)) && !defined(SHADER_API_MOBILE)
+#pragma require WaveBasic   // Required for WaveGetLaneIndex
+#pragma require WaveBallot  // Required for WaveReadLaneAt
+#pragma require QuadShuffle // Required for QuadReadAcross
+#else
+#define FFXM_SPD_NO_WAVE_OPERATIONS
+#endif
+
+#include "shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl"