Shader/SPIRV: Add support for swizzling with one component

2021-12-18 15:51:20 +01:00
parent a6b8caa5ba
commit 9bd411e53c
4 changed files with 38 additions and 5 deletions
--- a/src/Nazara/Shader/SpirvWriter.cpp
+++ b/src/Nazara/Shader/SpirvWriter.cpp
@@ -357,6 +357,12 @@ namespace Nz
 				{
 					AstRecursiveVisitor::Visit(node);

+					for (std::size_t i = 0; i < node.componentCount; ++i)
+					{
+						Int32 indexCount = UnderlyingCast(node.components[i]) - UnderlyingCast(ShaderAst::SwizzleComponent::First);
+						m_constantCache.Register(*m_constantCache.BuildConstant(indexCount));
+					}
+
 					m_constantCache.Register(*m_constantCache.BuildType(node.cachedExpressionType.value()));
 				}