sid/NazaraEngine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Shader: Handle matrix cast properly

Browse Source
This commit is contained in:
Jérôme Leclercq
2022-01-23 19:58:04 +01:00
parent 249aebac05
commit 64efd81bf8
7 changed files with 305 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
include/Nazara/Shader/ShaderBuilder.inl
View File

@@ -3,6 +3,7 @@
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Shader/ShaderBuilder.hpp>
#include <stdexcept>
#include <Nazara/Shader/Debug.hpp>
namespace Nz::ShaderBuilder
@@ -110,6 +111,15 @@ namespace Nz::ShaderBuilder
return callFunctionExpression;
}
inline std::unique_ptr<ShaderAst::CastExpression> Impl::Cast::operator()(ShaderAst::ExpressionType targetType, ShaderAst::ExpressionPtr expression) const
{
auto castNode = std::make_unique<ShaderAst::CastExpression>();
castNode->targetType = std::move(targetType);
castNode->expressions[0] = std::move(expression);
return castNode;
}
inline std::unique_ptr<ShaderAst::CastExpression> Impl::Cast::operator()(ShaderAst::ExpressionType targetType, std::array<ShaderAst::ExpressionPtr, 4> expressions) const
{
auto castNode = std::make_unique<ShaderAst::CastExpression>();
@@ -159,6 +169,22 @@ namespace Nz::ShaderBuilder
return constantNode;
}
template<typename T>
std::unique_ptr<ShaderAst::ConstantValueExpression> Impl::Constant::operator()(ShaderAst::ExpressionType type, T value) const
{
assert(IsPrimitiveType(type));
switch (std::get<ShaderAst::PrimitiveType>(type))
{
case ShaderAst::PrimitiveType::Boolean: return ShaderBuilder::Constant(value != T(0));
case ShaderAst::PrimitiveType::Float32: return ShaderBuilder::Constant(SafeCast<float>(value));
case ShaderAst::PrimitiveType::Int32: return ShaderBuilder::Constant(SafeCast<Int32>(value));
case ShaderAst::PrimitiveType::UInt32: return ShaderBuilder::Constant(SafeCast<UInt32>(value));
}
throw std::runtime_error("unexpected primitive type");
}
inline std::unique_ptr<ShaderAst::DeclareConstStatement> Impl::DeclareConst::operator()(std::string name, ShaderAst::ExpressionPtr initialValue) const
{
auto declareConstNode = std::make_unique<ShaderAst::DeclareConstStatement>();