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rendering: add keyword-aware shader variant selection

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ssdfasd
2026-04-06 19:37:01 +08:00
parent a8b4da16a3
commit 261dd44fd5
26 changed files with 469 additions and 76 deletions
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32
engine/src/Rendering/Detail/ShaderVariantUtils.h
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@@ -55,12 +55,38 @@ inline void ApplyShaderStageVariant(
compileDesc.profile = ToWideAscii(variant.profile);
}
inline Containers::String BuildShaderKeywordSignature(
const Resources::ShaderKeywordSet& keywordSet) {
Resources::ShaderKeywordSet normalizedKeywords = keywordSet;
Resources::NormalizeShaderKeywordSetInPlace(normalizedKeywords);
Containers::String signature;
for (size_t keywordIndex = 0; keywordIndex < normalizedKeywords.enabledKeywords.Size(); ++keywordIndex) {
if (keywordIndex > 0) {
signature += ";";
}
signature += normalizedKeywords.enabledKeywords[keywordIndex];
}
return signature;
}
inline bool ShaderPassHasGraphicsVariants(
const Resources::Shader& shader,
const Containers::String& passName,
Resources::ShaderBackend backend) {
return shader.FindVariant(passName, Resources::ShaderType::Vertex, backend) != nullptr &&
shader.FindVariant(passName, Resources::ShaderType::Fragment, backend) != nullptr;
Resources::ShaderBackend backend,
const Resources::ShaderKeywordSet& enabledKeywords = Resources::ShaderKeywordSet()) {
return shader.FindVariant(
passName,
Resources::ShaderType::Vertex,
backend,
enabledKeywords) != nullptr &&
shader.FindVariant(
passName,
Resources::ShaderType::Fragment,
backend,
enabledKeywords) != nullptr;
}
} // namespace Detail