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Renderer/ShaderAst: Add Cast node

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This commit is contained in:
Lynix
2017-01-06 00:49:24 +01:00
parent a84391cf08
commit 2a57af9896
8 changed files with 124 additions and 0 deletions
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17
include/Nazara/Renderer/ShaderAst.hpp
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@@ -14,6 +14,7 @@
#include <Nazara/Math/Vector4.hpp>
#include <Nazara/Renderer/Config.hpp>
#include <Nazara/Renderer/Enums.hpp>
#include <array>
#include <memory>
namespace Nz
@@ -76,6 +77,9 @@ namespace Nz
virtual void Register(ShaderWriter& visitor) = 0;
virtual void Visit(ShaderWriter& visitor) = 0;
static inline unsigned int GetComponentCount(ExpressionType type);
static inline ExpressionType GetComponentType(ExpressionType type);
};
class Statement;
@@ -209,6 +213,19 @@ namespace Nz
StatementPtr elseStatement;
};
class NAZARA_RENDERER_API Cast : public Expression
{
public:
inline Cast(ExpressionType castTo, ExpressionPtr first, ExpressionPtr second = nullptr, ExpressionPtr third = nullptr, ExpressionPtr fourth = nullptr);
ExpressionType GetExpressionType() const override;
void Register(ShaderWriter& visitor) override;
void Visit(ShaderWriter& visitor) override;
ExpressionType exprType;
std::array<ExpressionPtr, 4> expressions;
};
class NAZARA_RENDERER_API Constant : public Expression
{
public: