Fix various shader warnings

Source/Shaders/BitonicSort.shader

@@ -62,7 +62,7 @@ void CS_IndirectArgs(uint groupIndex : SV_GroupIndex)
 		return;
 
 	uint count = CounterBuffer.Load(CounterOffset);
-	uint k = 2048 << groupIndex;
+	uint k = 2048u << groupIndex;
 
 	// We need one more iteration every time the number of thread groups doubles
 	if (k > NextPow2((count + 2047) & ~2047))

Source/Shaders/Common.hlsl

@@ -115,6 +115,7 @@
 
 // Avoids flow control constructs.
 #define UNROLL [unroll]
+#define UNROLL_N(n) [unroll(n)]
 
 // Gives preference to flow control constructs.
 #define LOOP [loop]
@@ -139,6 +140,7 @@
 // Compiler attribute fallback
 #ifndef UNROLL
 #define UNROLL
+#define UNROLL_N(n)
 #endif
 #ifndef LOOP
 #define LOOP

Source/Shaders/DepthOfField.shader

@@ -185,7 +185,7 @@ void CS_DepthOfField(uint3 groupID : SV_GroupID, uint3 groupThreadID : SV_GroupT
 	GroupMemoryBarrierWithGroupSync();
 
 	// Don't continue for threads in the apron, and threads outside the render target size
-	if (grid >= 0 && grid < DOF_GRID_SIZE && samplePos.DOF_COMP >= 0 && samplePos.DOF_COMP < textureSize.DOF_COMP)
+	if (grid >= 0 && grid < DOF_GRID_SIZE && samplePos.DOF_COMP >= 0 && samplePos.DOF_COMP < (int)textureSize.DOF_COMP)
 	{
 		BRANCH
 		if (cocSize > 0.0f)

Source/Shaders/Editor/Grid.shader

@@ -26,7 +26,6 @@ struct ModelInput
 struct VertexOutput
 {
     float4 Position : SV_Position;
-    float2 TexCoord : TEXCOORD0;
     float3 WorldPosition : TEXCOORD1;
 };
 
@@ -34,7 +33,6 @@ struct VertexOutput
 struct PixelInput
 {
     float4 Position : SV_Position;
-    noperspective float2 TexCoord : TEXCOORD0;
     float3 WorldPosition : TEXCOORD1;
 };
 

Source/Shaders/GUICommon.hlsl

@@ -90,7 +90,7 @@ float GetFontMSDFPixelRange(Texture2D font, float2 uv)
     uint width, height;
     font.GetDimensions(width, height);
     float pxRange = 4.0f; // Must match C++ code
-    float unitRange = float2(pxRange, pxRange) / float2(width, height);
+    float2 unitRange = float2(pxRange, pxRange) / float2(width, height);
 
     float2 dx = ddx(uv);
     float2 dy = ddy(uv);

Source/Shaders/GlobalSignDistanceField.shader

@@ -136,6 +136,7 @@ void CS_RasterizeModel(uint3 DispatchThreadId : SV_DispatchThreadID)
 #if READ_SDF
 	minDistance *= GlobalSDFTex[voxelCoord];
 #endif
+    UNROLL_N(GLOBAL_SDF_RASTERIZE_MODEL_MAX_COUNT)
 	for (uint i = 0; i < ObjectsCount; i++)
 	{
 		ObjectRasterizeData objectData = ObjectsBuffer[Objects[i / 4][i % 4]];
@@ -164,6 +165,7 @@ void CS_RasterizeHeightfield(uint3 DispatchThreadId : SV_DispatchThreadID)
 	voxelCoord.x += CascadeIndex * CascadeResolution;
 	float minDistance = MaxDistance * GlobalSDFTex[voxelCoord];
 	float thickness = -300.0f;
+    UNROLL_N(GLOBAL_SDF_RASTERIZE_HEIGHTFIELD_MAX_COUNT)
 	for (uint i = 0; i < ObjectsCount; i++)
 	{
 		ObjectRasterizeData objectData = ObjectsBuffer[Objects[i / 4][i % 4]];

Source/Shaders/Lights.shader

@@ -153,7 +153,7 @@ float4 PS_Complexity(Quad_VS2PS input) : SV_Target0
     float outline = DepthOutline(Depth, input.TexCoord);
 
     // Sample accumulated complexity
-    float complexity = SAMPLE_RT(GBuffer0, input.TexCoord);
+    float complexity = SAMPLE_RT(GBuffer0, input.TexCoord).r;
 
     // Custom coloring
     const uint colorsCount = 9;