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rendering: add builtin alpha-test pass support

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This commit is contained in:
ssdfasd
2026-04-06 21:05:50 +08:00
parent eea38d57d1
commit 9568cf0a16
26 changed files with 856 additions and 104 deletions
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32
engine/src/Rendering/Pipelines/BuiltinForwardPipelineResources.cpp
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@@ -183,7 +183,7 @@ BuiltinForwardPipeline::ResolvedShaderPass BuiltinForwardPipeline::ResolveSurfac
if (builtinShaderHandle->IsValid()) {
const Resources::Shader* builtinShader = builtinShaderHandle->Get();
if (const Resources::ShaderPass* shaderPass =
FindCompatibleSurfacePass(*builtinShader, sceneData, nullptr, pass, backend)) {
FindCompatibleSurfacePass(*builtinShader, sceneData, material, pass, backend)) {
resolved.shader = builtinShader;
resolved.pass = shaderPass;
resolved.passName = shaderPass->name;
@@ -705,18 +705,32 @@ bool BuiltinForwardPipeline::DrawVisibleItem(
if (!materialConstants.IsValid()) {
const BuiltinForwardMaterialData materialData = BuildBuiltinForwardMaterialData(material);
fallbackMaterialConstants.baseColorFactor = materialData.baseColorFactor;
static const Resources::MaterialConstantFieldDesc kFallbackMaterialConstantField = {
Containers::String("baseColorFactor"),
Resources::MaterialPropertyType::Float4,
0,
sizeof(FallbackPerMaterialConstants),
sizeof(FallbackPerMaterialConstants)
fallbackMaterialConstants.alphaCutoffParams = Math::Vector4(
materialData.alphaCutoff,
0.0f,
0.0f,
0.0f);
static const Resources::MaterialConstantFieldDesc kFallbackMaterialConstantFields[] = {
{
Containers::String("_BaseColor"),
Resources::MaterialPropertyType::Float4,
0,
sizeof(Math::Vector4),
sizeof(Math::Vector4)
},
{
Containers::String("_Cutoff"),
Resources::MaterialPropertyType::Float,
sizeof(Math::Vector4),
sizeof(float),
sizeof(Math::Vector4)
}
};
materialConstants.data = &fallbackMaterialConstants;
materialConstants.size = sizeof(fallbackMaterialConstants);
materialConstants.layout = {
&kFallbackMaterialConstantField,
1,
kFallbackMaterialConstantFields,
2,
sizeof(fallbackMaterialConstants)
};
}