Fixed decomposition tracking.

Data/Shaders/VPT/VptHeader.glsl

@@ -52,10 +52,8 @@ layout (binding = 3) uniform Parameters {
     vec3 boxMax;
     vec3 gridMin;
     vec3 gridMax;
-
     vec3 emissionBoxMin;
     vec3 emissionBoxMax;
-
     vec3 extinction;
     vec3 scatteringAlbedo;
 
@@ -70,14 +68,14 @@ layout (binding = 3) uniform Parameters {
     float emissionStrength;
     int numFeatureMapSamplesPerFrame;
 
+    // Whether to use linear RGB or sRGB.
+    int useLinearRGB;
+
     // For residual ratio tracking and decomposition tracking.
     ivec3 superVoxelSize;
     ivec3 superVoxelGridSize;
 
     //ivec3 gridResolution;
-
-    // Whether to use linear RGB or sRGB.
-    int useLinearRGB;
 } parameters;
 
 layout (binding = 4) uniform FrameInfo {

Data/Shaders/VPT/VptUtils.glsl

@@ -535,7 +535,7 @@ float sampleCloud(
         pnanovdb_readaccessor_t accessor,
 #endif
         in vec3 pos) {
-    // transform world pos to density grid pos
+    // Transform world position to density grid position.
     vec3 coord = (pos - parameters.boxMin) / (parameters.boxMax - parameters.boxMin);
 #if defined(FLIP_YZ)
     coord = coord.xzy;

src/PathTracer/VolumetricPathTracingPass.hpp

@@ -245,13 +245,10 @@ class VolumetricPathTracingPass : public sgl::vk::ComputePass {
         // Cloud properties
         glm::vec3 boxMin; float pad0;
         glm::vec3 boxMax; float pad1;
-
         glm::vec3 gridMin; float pad2;
         glm::vec3 gridMax; float pad3;
-
         glm::vec3 emissionBoxMin; float pad4;
         glm::vec3 emissionBoxMax; float pad5;
-
         glm::vec3 extinction; float pad6;
         glm::vec3 scatteringAlbedo;
 
@@ -262,15 +259,14 @@ class VolumetricPathTracingPass : public sgl::vk::ComputePass {
 
         float emissionCap;
         float emissionStrength;
-
         int numFeatureMapSamplesPerFrame;
 
-        // For decomposition and residual ratio tracking.
-        glm::ivec3 superVoxelSize; int pad8;
-        glm::ivec3 superVoxelGridSize;
-
         // Whether to use linear RGB or sRGB.
         int useLinearRGB;
+
+        // For decomposition and residual ratio tracking.
+        glm::ivec3 superVoxelSize; int pad8;
+        glm::ivec3 superVoxelGridSize; int pad9;
     };
     UniformData uniformData{};
     sgl::vk::BufferPtr uniformBuffer;