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wgpu: fix ssao bent normals

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This commit is contained in:
Andy Hovingh
2025-08-05 16:35:25 -05:00
parent f35ec42125
commit 455545f024
1 changed files with 3 additions and 2 deletions
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5
libs/filamat/src/shaders/CodeGenerator.cpp
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@@ -539,13 +539,14 @@ io::sstream& CodeGenerator::generateOutput(io::sstream& out, ShaderStage stage,
const char* swizzleString = "";
// Metal doesn't support some 3-component texture formats, so the backend uses 4-component
// Metal and WebGPU don't support some 3-component texture formats, so the backend uses 4-component
// formats behind the scenes. It's an error to output fewer components than the attachment
// needs, so we always output a float4 instead of a float3. It's never an error to output extra
// components.
//
// Meanwhile, ESSL 1.0 must always write to gl_FragColor, a vec4.
if (mTargetApi == TargetApi::METAL || mFeatureLevel == FeatureLevel::FEATURE_LEVEL_0) {
if (mTargetApi == TargetApi::METAL || mTargetApi == TargetApi::WEBGPU ||
mFeatureLevel == FeatureLevel::FEATURE_LEVEL_0) {
if (outputType == MaterialBuilder::OutputType::FLOAT3) {
outputType = MaterialBuilder::OutputType::FLOAT4;
swizzleString = ".rgb";