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Shader/AstOptimizer: Add swizzle optimization

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This commit is contained in:
Jérôme Leclercq
2021-12-28 20:09:04 +01:00
parent 22651255df
commit 101a3d70da
5 changed files with 378 additions and 0 deletions
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13
include/Nazara/Shader/ShaderBuilder.inl
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@@ -289,6 +289,19 @@ namespace Nz::ShaderBuilder
return returnNode;
}
inline std::unique_ptr<ShaderAst::SwizzleExpression> Impl::Swizzle::operator()(ShaderAst::ExpressionPtr expression, std::array<UInt32, 4> swizzleComponents, std::size_t componentCount) const
{
assert(componentCount > 0);
assert(componentCount <= 4);
auto swizzleNode = std::make_unique<ShaderAst::SwizzleExpression>();
swizzleNode->expression = std::move(expression);
swizzleNode->componentCount = componentCount;
swizzleNode->components = swizzleComponents;
return swizzleNode;
}
inline std::unique_ptr<ShaderAst::SwizzleExpression> Impl::Swizzle::operator()(ShaderAst::ExpressionPtr expression, std::vector<UInt32> swizzleComponents) const
{
auto swizzleNode = std::make_unique<ShaderAst::SwizzleExpression>();