volumetric clouds frame mismatch fix

WickedEngine/shaders/ShaderInterop_Postprocess.h

@@ -67,7 +67,7 @@ static const uint POSTPROCESS_HBAO_THREADCOUNT = 320;
 #define hbao_uv_to_view_A postprocess.params1.xy
 #define hbao_uv_to_view_B postprocess.params1.zw
 
-#define volumetricclouds_frame postprocess.params0.z
+#define volumetricclouds_frame postprocess.params1.x
 
 static const uint POSTPROCESS_MSAO_BLOCKSIZE = 16;
 struct MSAO

WickedEngine/shaders/volumetricCloud_renderCS.hlsl

@@ -762,7 +762,7 @@ void main(uint3 DTid : SV_DispatchThreadID)
 {
 	const uint2 halfResIndexToCoordinateOffset[4] = { uint2(0, 0), uint2(1, 0), uint2(0, 1), uint2(1, 1) };
 	
-	int subPixelIndex = GetFrame().frame_count % 4;
+	int subPixelIndex = uint(volumetricclouds_frame) % 4;
 	int checkerBoardIndex = ComputeCheckerBoardIndex(DTid.xy, subPixelIndex);
 	uint2 halfResCoord = DTid.xy * 2 + halfResIndexToCoordinateOffset[checkerBoardIndex];
 

WickedEngine/shaders/volumetricCloud_reprojectCS.hlsl

@@ -175,7 +175,7 @@ void main(uint3 DTid : SV_DispatchThreadID)
 					for (int x = -1; x <= 1; x++)
 					{
 						// If it's middle then skip. We only evaluate neighbor samples
-						if ((abs(x) + abs(y)) == 0)
+						if (x == 0 && y == 0)
 							continue;
 
 						int2 offset = int2(x, y);

WickedEngine/wiRenderer.cpp

@@ -16064,6 +16064,7 @@ void Postprocess_VolumetricClouds(
 	postprocess.resolution.y = res.final_resolution.y / 4;
 	postprocess.resolution_rcp.x = 1.0f / postprocess.resolution.x;
 	postprocess.resolution_rcp.y = 1.0f / postprocess.resolution.y;
+	volumetricclouds_frame = (float)res.frame;
 
 	// Parse reproject info
 	postprocess.params0.x = (float)res.texture_reproject[0].GetDesc().width;
@@ -16128,7 +16129,6 @@ void Postprocess_VolumetricClouds(
 	postprocess.resolution.y = res.final_resolution.y / 2;
 	postprocess.resolution_rcp.x = 1.0f / postprocess.resolution.x;
 	postprocess.resolution_rcp.y = 1.0f / postprocess.resolution.y;
-	volumetricclouds_frame = (float)res.frame;
 	
 	int temporal_output = res.GetTemporalOutputIndex();
 	int temporal_history = res.GetTemporalInputIndex();

WickedEngine/wiVersion.cpp

@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 648;
+	const int revision = 649;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);