Redid the type definitions for PS4/5, true 16-bit types should now be supported

Assets/Resources/FSR2/shaders/ffx_common_types.h

@@ -181,6 +181,29 @@ typedef int16_t     FfxInt16;
 typedef int16_t2    FfxInt16x2;
 typedef int16_t3    FfxInt16x3;
 typedef int16_t4    FfxInt16x4;
+#elif SHADER_API_PSSL
+#pragma argument(realtypes)     // Enable true 16-bit types
+
+typedef half        FfxFloat16;
+typedef half2       FfxFloat16x2;
+typedef half3       FfxFloat16x3;
+typedef half4       FfxFloat16x4;
+
+/// A typedef for an unsigned 16bit integer.
+///
+/// @ingroup GPU
+typedef ushort      FfxUInt16;
+typedef ushort2     FfxUInt16x2;
+typedef ushort3     FfxUInt16x3;
+typedef ushort4     FfxUInt16x4;
+
+/// A typedef for a signed 16bit integer.
+///
+/// @ingroup GPU
+typedef short       FfxInt16;
+typedef short2      FfxInt16x2;
+typedef short3      FfxInt16x3;
+typedef short4      FfxInt16x4;
 #else
 typedef min16float  FfxFloat16;
 typedef min16float2 FfxFloat16x2;
@@ -243,20 +266,7 @@ typedef min16int4   FfxInt16x4;
 // #define FFX_HALF            (1)
 // #define FFX_HLSL_6_2        (1)
 
-#if 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
-
-#elif FFX_HALF
+#if defined(FFX_HALF) && !defined(SHADER_API_PSSL)
 
 #if FFX_HLSL_6_2
 
@@ -294,7 +304,7 @@ typedef min16int4   FfxInt16x4;
 
 #if defined(FFX_GPU)
 // Common typedefs:
-#if defined(FFX_HLSL)
+#if defined(FFX_HALF) && !defined(SHADER_API_PSSL)
 FFX_MIN16_SCALAR( FFX_MIN16_F , float );
 FFX_MIN16_VECTOR( FFX_MIN16_F2, float, 2 );
 FFX_MIN16_VECTOR( FFX_MIN16_F3, float, 3 );
@@ -368,6 +378,79 @@ typedef FfxUInt32x3     Prefix##_U3;          \
 typedef FfxUInt32x4     Prefix##_U4;
 #endif // #if defined(FFX_HLSL)
 
+#if defined(SHADER_API_PSSL)
+
+#define unorm
+#define globallycoherent
+
+#if FFX_HALF
+
+#define  FFX_MIN16_F  half
+#define  FFX_MIN16_F2 half2
+#define  FFX_MIN16_F3 half3
+#define  FFX_MIN16_F4 half4
+
+#define  FFX_MIN16_I  short
+#define  FFX_MIN16_I2 short2
+#define  FFX_MIN16_I3 short3
+#define  FFX_MIN16_I4 short4
+
+#define  FFX_MIN16_U  ushort
+#define  FFX_MIN16_U2 ushort2
+#define  FFX_MIN16_U3 ushort3
+#define  FFX_MIN16_U4 ushort4
+
+#define FFX_16BIT_F  half
+#define FFX_16BIT_F2 half2
+#define FFX_16BIT_F3 half3
+#define FFX_16BIT_F4 half4
+
+#define FFX_16BIT_I  short
+#define FFX_16BIT_I2 short2
+#define FFX_16BIT_I3 short3
+#define FFX_16BIT_I4 short4
+
+#define FFX_16BIT_U  ushort
+#define FFX_16BIT_U2 ushort2
+#define FFX_16BIT_U3 ushort3
+#define FFX_16BIT_U4 ushort4
+
+#else // FFX_HALF
+
+#define  FFX_MIN16_F  float
+#define  FFX_MIN16_F2 float2
+#define  FFX_MIN16_F3 float3
+#define  FFX_MIN16_F4 float4
+
+#define  FFX_MIN16_I  int
+#define  FFX_MIN16_I2 int2
+#define  FFX_MIN16_I3 int3
+#define  FFX_MIN16_I4 int4
+
+#define  FFX_MIN16_U  uint
+#define  FFX_MIN16_U2 uint2
+#define  FFX_MIN16_U3 uint3
+#define  FFX_MIN16_U4 uint4
+
+#define FFX_16BIT_F  float
+#define FFX_16BIT_F2 float2
+#define FFX_16BIT_F3 float3
+#define FFX_16BIT_F4 float4
+
+#define FFX_16BIT_I  int
+#define FFX_16BIT_I2 int2
+#define FFX_16BIT_I3 int3
+#define FFX_16BIT_I4 int4
+
+#define FFX_16BIT_U  uint
+#define FFX_16BIT_U2 uint2
+#define FFX_16BIT_U3 uint3
+#define FFX_16BIT_U4 uint4
+
+#endif // FFX_HALF
+
+#endif  // #if defined(SHADER_API_PSSL)
+
 #if defined(FFX_GLSL)
 
 #if FFX_HALF