Fixed a number of shader compiler warnings from using a more modern compiler

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_callbacks_hlsl.h

@@ -86,7 +86,7 @@ cbuffer cbFSR3Upscaler : FFX_FSR3UPSCALER_DECLARE_CB(FSR3UPSCALER_BIND_CB_FSR3UP
 #define FFX_FSR3UPSCALER_CONSTANT_BUFFER_1_SIZE (sizeof(cbFSR3Upscaler) / 4)  // Number of 32-bit values. This must be kept in sync with the cbFSR3Upscaler size.
 
 /* Define getter functions in the order they are defined in the CB! */
-FfxInt32x2 RenderSize()
+FfxUInt32x2 RenderSize()
 {
     return iRenderSize;
 }

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_common.h

@@ -49,7 +49,7 @@ FFX_STATIC const FfxFloat32 fAverageLanczosWeightPerFrame   = 0.74f * fUpsampleL
 FFX_STATIC const FfxFloat32 fAccumulationMaxOnMotion        = 3.0f * fUpsampleLanczosWeightScale;
 
 #define SHADING_CHANGE_SET_SIZE 5
-FFX_STATIC const FfxInt32 iShadingChangeMipStart = 0;
+FFX_STATIC const FfxUInt32 iShadingChangeMipStart = 0;
 FFX_STATIC const FfxFloat32 fShadingChangeSamplePow = 1.0f / 1.0f;
 
 

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_luma_pyramid.h

@@ -48,9 +48,9 @@ FFX_STATIC const FfxInt32 LUMA            = 1;
 FFX_STATIC const FfxInt32 DEPTH_IN_METERS = 2;
 
 #ifdef SHADER_API_GLCORE
-FFX_STATIC const FfxInt32 MAX_MIP         = 4;
+FFX_STATIC const FfxUInt32 MAX_MIP        = 4;
 #else
-FFX_STATIC const FfxInt32 MAX_MIP         = 5;
+FFX_STATIC const FfxUInt32 MAX_MIP        = 5;
 #endif
 
 FfxFloat32x4 SpdLoadSourceImage(FfxFloat32x2 iPxPos, FfxUInt32 slice)

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_prepare_reactivity.h

@@ -139,9 +139,11 @@ FfxFloat32 ComputeThinFeatureConfidence(FfxInt32x2 iPxPos)
 
     FfxFloat32 fLumaMin = FSR3UPSCALER_FP32_MAX;
     FfxFloat32 fLumaMax = FSR3UPSCALER_FP32_MIN;
+    
+    FfxInt32 iSampleIndex;
 
     FFX_UNROLL
-    for (FfxInt32 iSampleIndex = 0; iSampleIndex < iSampleCount; ++iSampleIndex) {
+    for (iSampleIndex = 0; iSampleIndex < iSampleCount; ++iSampleIndex) {
         const FfxInt32x2 iPxSamplePos = ClampLoad(iPxPos, iSampleOffsets[iSampleIndex], FfxInt32x2(RenderSize()));
         fSamples[iSampleIndex]        = LoadCurrentLuma(iPxSamplePos) * Exposure();
 
@@ -167,7 +169,7 @@ FfxFloat32 ComputeThinFeatureConfidence(FfxInt32x2 iPxPos)
 
     FfxInt32 iBitIndex = 1;
     FFX_UNROLL
-    for (FfxInt32 iSampleIndex = 1; iSampleIndex < iSampleCount; ++iSampleIndex, ++iBitIndex) {
+    for (iSampleIndex = 1; iSampleIndex < iSampleCount; ++iSampleIndex, ++iBitIndex) {
 
         const FfxFloat32 fDifference = abs(fSamples[iSampleIndex] - fSamples[iNucleusIndex]) / (fLumaMax - fLumaMin);
 
@@ -190,7 +192,7 @@ FfxFloat32 ComputeThinFeatureConfidence(FfxInt32x2 iPxPos)
     }
 
     FFX_UNROLL
-    for (FfxInt32 i = 0; i < uNumRejectionMasks; i++)
+    for (FfxUInt32 i = 0; i < uNumRejectionMasks; i++)
     {
         if ((uPatternMask & uRejectionMasks[i]) == uRejectionMasks[i])
         {

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_tcr_autogen.h

@@ -189,9 +189,11 @@ FFX_MIN16_F ComputeAabbOverlap(FFX_MIN16_I2 uDispatchThreadId, FFX_MIN16_I2 iPre
 #endif
     FfxFloat32x3 minPrev = FFX_MIN16_F3(+1000.f, +1000.f, +1000.f);
     FfxFloat32x3 maxPrev = FFX_MIN16_F3(-1000.f, -1000.f, -1000.f);
-    for (int y = -1; y < 2; ++y)
+    
+    int x, y;
+    for (y = -1; y < 2; ++y)
     {
-        for (int x = -1; x < 2; ++x)
+        for (x = -1; x < 2; ++x)
         {
             FfxFloat32x3 W = LoadPrevPostAlpha(iPrevIdx + FFX_MIN16_I2(x, y));
 
@@ -205,9 +207,9 @@ FFX_MIN16_F ComputeAabbOverlap(FFX_MIN16_I2 uDispatchThreadId, FFX_MIN16_I2 iPre
     // instead of computing the overlap: simply count how many samples are outside
     // set reactive based on that
     FFX_MIN16_F count = FFX_MIN16_F(0.f);
-    for (int y = -1; y < 2; ++y)
+    for (y = -1; y < 2; ++y)
     {
-        for (int x = -1; x < 2; ++x)
+        for (x = -1; x < 2; ++x)
         {
             FfxFloat32x3 Y = LoadInputColor(uDispatchThreadId + FFX_MIN16_I2(x, y));
 

Shaders/shaders/fsr3upscaler/ffx_fsr3upscaler_upsample.h

@@ -407,11 +407,13 @@ void ComputeUpsampledColorAndWeight(const AccumulationPassCommonParams params, F
 #else
     FfxFloat32x3 fSamples[9];
     FfxInt32 iSampleIndex = 0;
+    
+    FfxInt32 row, col;
 
     FFX_UNROLL
-    for (FfxInt32 row = 0; row < 3; row++) {
+    for (row = 0; row < 3; row++) {
         FFX_UNROLL
-        for (FfxInt32 col = 0; col < 3; col++) {
+        for (col = 0; col < 3; col++) {
             const FfxInt32x2 iSampleColRow = FfxInt32x2(bFlipCol ? (3 - col) : col, bFlipRow ? (3 - row) : row);
             const FfxInt32x2 iSrcSamplePos = FfxInt32x2(iSrcInputPos) + offsetTL + iSampleColRow;
             const FfxInt32x2 iSampleCoord = ClampLoad(iSrcSamplePos, FfxInt32x2(0, 0), FfxInt32x2(RenderSize()));
@@ -584,10 +586,10 @@ void ComputeUpsampledColorAndWeight(const AccumulationPassCommonParams params, F
     iSampleIndex = 0;
 
     FFX_UNROLL
-    for (FfxInt32 row = 0; row < 3; row++)
+    for (row = 0; row < 3; row++)
     {
         FFX_UNROLL
-        for (FfxInt32 col = 0; col < 3; col++)
+        for (col = 0; col < 3; col++)
         {
             const FfxInt32x2   sampleColRow     = FfxInt32x2(bFlipCol ? (3 - col) : col, bFlipRow ? (3 - row) : row);
             const FfxFloat32x2 fOffset          = fOffsetTL + FfxFloat32x2(sampleColRow);