Derive gaussian splat SH order from resource layout

2026-04-11 06:57:47 +08:00
parent 785377bc9b
commit b3acb5afc2
5 changed files with 82 additions and 1 deletions
--- a/engine/src/Rendering/Passes/BuiltinGaussianSplatPass.cpp
+++ b/engine/src/Rendering/Passes/BuiltinGaussianSplatPass.cpp
@@ -1064,6 +1064,11 @@ bool BuiltinGaussianSplatPass::PrepareVisibleGaussianSplat(

    commandList->SetPipelineState(pipelineState);

+    const float shOrder =
+        visibleGaussianSplat.gaussianSplat != nullptr
+            ? static_cast<float>(visibleGaussianSplat.gaussianSplat->GetSHOrder())
+            : 0.0f;
+
    const PerObjectConstants perObjectConstants = {
        sceneData.cameraData.projection,
        sceneData.cameraData.view,
@@ -1080,7 +1085,7 @@ bool BuiltinGaussianSplatPass::PrepareVisibleGaussianSplat(
        Math::Vector4(
            static_cast<float>(cachedGaussianSplat->splatCount),
            static_cast<float>(workingSet->sortCapacity),
-            3.0f,
+            shOrder,
            0.0f)
    };