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Shader: First working version on both Vulkan & OpenGL (ES)

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This commit is contained in:
Jérôme Leclercq
2021-04-12 15:38:20 +02:00
parent f93a5bbdc1
commit ea99c6a19e
42 changed files with 1803 additions and 1053 deletions
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37
include/Nazara/Shader/SpirvAstVisitor.inl
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@@ -7,17 +7,42 @@
namespace Nz
{
inline SpirvAstVisitor::SpirvAstVisitor(SpirvWriter& writer, std::vector<SpirvBlock>& blocks) :
m_blocks(blocks),
inline SpirvAstVisitor::SpirvAstVisitor(SpirvWriter& writer, SpirvSection& instructions, std::vector<FuncData>& funcData) :
m_extVarIndex(0),
m_funcIndex(0),
m_funcData(funcData),
m_currentBlock(nullptr),
m_instructions(instructions),
m_writer(writer)
{
m_currentBlock = &m_blocks.back();
}
inline const ShaderAst::ExpressionType& SpirvAstVisitor::GetExpressionType(ShaderAst::Expression& expr) const
void SpirvAstVisitor::RegisterExternalVariable(std::size_t varIndex, const ShaderAst::ExpressionType& type)
{
assert(expr.cachedExpressionType);
return expr.cachedExpressionType.value();
UInt32 pointerId = m_writer.GetExtVarPointerId(varIndex);
SpirvStorageClass storageClass = (IsSamplerType(type)) ? SpirvStorageClass::UniformConstant : SpirvStorageClass::Uniform;
RegisterVariable(varIndex, m_writer.GetTypeId(type), pointerId, storageClass);
}
inline void SpirvAstVisitor::RegisterStruct(std::size_t structIndex, ShaderAst::StructDescription structDesc)
{
if (structIndex >= m_structs.size())
m_structs.resize(structIndex + 1);
m_structs[structIndex] = std::move(structDesc);
}
inline void SpirvAstVisitor::RegisterVariable(std::size_t varIndex, UInt32 typeId, UInt32 pointerId, SpirvStorageClass storageClass)
{
if (varIndex >= m_variables.size())
m_variables.resize(varIndex + 1);
m_variables[varIndex] = Variable{
storageClass,
pointerId,
typeId
};
}
}