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Fix some material nodes on WebGPU

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This commit is contained in:
Wojtek Figat
2026-03-03 10:29:29 +01:00
parent 9df5da2a88
commit a96c7e631e
1 changed files with 3 additions and 3 deletions
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6
Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
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@@ -55,7 +55,7 @@ void MaterialGenerator::ProcessGroupMaterial(Box* box, Node* node, Value& value)
if (layer && layer->Domain == MaterialDomain::Surface && node->Values.Count() > 0 && node->Values[0].AsBool)
{
// Transform world position into main viewport texcoord space
Value clipPosition = writeLocal(VariantType::Float4, TEXT("mul(float4(input.WorldPosition.xyz, 1), MainViewProjectionMatrix)"), node);
Value clipPosition = writeLocal(VariantType::Float4, TEXT("PROJECT_POINT(float4(input.WorldPosition.xyz, 1), MainViewProjectionMatrix)"), node);
Value uvPos = writeLocal(VariantType::Float2, String::Format(TEXT("(({0}.xy / {0}.w) * float2(0.5, -0.5) + float2(0.5, 0.5))"), clipPosition.Value), node);
// Position
@@ -263,14 +263,14 @@ void MaterialGenerator::ProcessGroupMaterial(Box* box, Node* node, Value& value)
// Sample scene depth buffer
auto sceneDepthTexture = findOrAddSceneTexture(MaterialSceneTextures::SceneDepth);
auto depthSample = writeLocal(VariantType::Float, String::Format(TEXT("{0}.SampleLevel(SamplerPointClamp, {1}, 0).x"), sceneDepthTexture.ShaderName, screenUVs.Value), node);
auto depthSample = writeLocal(VariantType::Float, String::Format(TEXT("SAMPLE_RT_DEPTH({0}, {1})"), sceneDepthTexture.ShaderName, screenUVs.Value), node);
// Linearize raw device depth
Value sceneDepth;
linearizeSceneDepth(node, depthSample, sceneDepth);
// Calculate pixel depth
auto posVS = writeLocal(VariantType::Float, TEXT("mul(float4(input.WorldPosition.xyz, 1), ViewMatrix).z"), node);
auto posVS = writeLocal(VariantType::Float, TEXT("PROJECT_POINT(float4(input.WorldPosition.xyz, 1), ViewMatrix).z"), node);
// Compute depth difference
auto depthDiff = writeLocal(VariantType::Float, String::Format(TEXT("{0} * ViewFar - {1}"), sceneDepth.Value, posVS.Value), node);