Tweaks to make the FSR2 shaders compile on PS4/5 platforms.

FFX_HALF doesn't seem to be a thing in FSR 2.2 anymore anyway, so might as well keep that disabled.

Assets/Resources/FSR2/ffx_fsr2_rcas_pass.compute

@@ -1,7 +1,7 @@
 // Each #kernel tells which function to compile; you can have many kernels
 #pragma kernel CS
-#pragma kernel CS_HALF CS=CS_HALF FFX_HALF
-#pragma kernel CS_HDR CS=CS_HDR FFX_FSR2_OPTION_HDR_COLOR_INPUT
+//#pragma kernel CS_HALF CS=CS_HALF FFX_HALF
+//#pragma kernel CS_HDR CS=CS_HDR FFX_FSR2_OPTION_HDR_COLOR_INPUT
 
 // Some global defines are needed
 #define FFX_GPU         // Compiling for GPU

Assets/Resources/FSR2/shaders/ffx_common_types.h

@@ -267,6 +267,19 @@ typedef min16int4   FfxInt16x4;
 
 #endif //FFX_HLSL_6_2
 
+#elif SHADER_API_PSSL
+
+#define FFX_MIN16_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;
+#define FFX_MIN16_VECTOR( TypeName, BaseComponentType, COL )      typedef BaseComponentType##COL TypeName;
+#define FFX_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef BaseComponentType##ROW##x##COL TypeName;
+
+#define FFX_16BIT_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;
+#define FFX_16BIT_VECTOR( TypeName, BaseComponentType, COL )      typedef BaseComponentType##COL TypeName;
+#define FFX_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef BaseComponentType##ROW##x##COL TypeName;
+
+#define unorm
+#define globallycoherent
+
 #else //FFX_HALF
 
 #define FFX_MIN16_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;