1 files changed, 73 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/BuiltinShaderParams.h b/Runtime/GfxDevice/BuiltinShaderParams.h
new file mode 100644
index 0000000..a39f7f2
--- /dev/null
+++ b/Runtime/GfxDevice/BuiltinShaderParams.h
@@ -0,0 +1,73 @@
+#pragma once
+
+#include "GfxDeviceObjects.h"
+#include "BuiltinShaderParamsNames.h"
+#include "Runtime/Utilities/fixed_bitset.h"
+#include "Runtime/Utilities/NonCopyable.h"
+
+#include "Runtime/Math/Vector4.h"
+#include "Runtime/Math/Matrix4x4.h"
+#include "External/shaderlab/Library/texenv.h"
+
+
+struct BuiltinShaderParamIndices
+{
+	struct MatrixParamData {
+		MatrixParamData() : gpuIndex(-1), rows(0), cols(0)
+		#if GFX_SUPPORTS_CONSTANT_BUFFERS
+			, cbID(-1)
+		#endif
+		{ }
+		int     gpuIndex;
+		UInt16  rows;
+		UInt16  cols;
+		#if GFX_SUPPORTS_CONSTANT_BUFFERS
+		int		cbID;
+		#endif
+	};
+	struct VectorParamData {
+		VectorParamData() : gpuIndex(-1), dim(0)
+		#if GFX_SUPPORTS_CONSTANT_BUFFERS
+			, cbID(-1)
+		#endif
+		{ }
+		int     gpuIndex;
+		SInt16	dim;
+		#if GFX_SUPPORTS_CONSTANT_BUFFERS
+		int		cbID;
+		#endif
+	};
+
+	MatrixParamData	mat[kShaderInstanceMatCount];
+	VectorParamData vec[kShaderInstanceVecCount];
+
+	bool CheckMatrixParam (const char* name, int index, int rowCount, int colCount, int cbID);
+	bool CheckVectorParam (const char* name, int index, int dim, int cbID);
+};
+
+
+class BuiltinShaderParamValues : public NonCopyable
+{
+public:
+	BuiltinShaderParamValues ();
+
+	FORCE_INLINE const Vector4f& 			GetVectorParam(BuiltinShaderVectorParam param) const	 { DebugAssert(param >= 0 && param < kShaderVecCount); return vectorParamValues[param]; }
+	FORCE_INLINE const Matrix4x4f&			GetMatrixParam(BuiltinShaderMatrixParam param) const	 { DebugAssert(param >= 0 && param < kShaderMatCount); return matrixParamValues[param]; }
+	FORCE_INLINE const ShaderLab::TexEnv&	GetTexEnvParam(BuiltinShaderTexEnvParam param) const	 { DebugAssert(param >= 0 && param < kShaderTexEnvCount); return texEnvParamValues[param]; }
+	FORCE_INLINE const Vector4f& 			GetInstanceVectorParam(ShaderBuiltinInstanceVectorParam param) const { DebugAssert(param >= 0 && param < kShaderInstanceVecCount); return instanceVectorValues[param]; }
+
+	FORCE_INLINE Vector4f& 			GetWritableVectorParam(BuiltinShaderVectorParam param)			 { DebugAssert(param >= 0 && param < kShaderVecCount); return vectorParamValues[param]; }
+	FORCE_INLINE Matrix4x4f&		GetWritableMatrixParam(BuiltinShaderMatrixParam param)			 { DebugAssert(param >= 0 && param < kShaderMatCount); return matrixParamValues[param]; }
+	FORCE_INLINE ShaderLab::TexEnv&	GetWritableTexEnvParam(BuiltinShaderTexEnvParam param)			 { DebugAssert(param >= 0 && param < kShaderTexEnvCount); return texEnvParamValues[param]; }
+
+	FORCE_INLINE void	SetVectorParam(BuiltinShaderVectorParam param, const Vector4f& val)          { GetWritableVectorParam(param) = val; }
+	FORCE_INLINE void	SetMatrixParam(BuiltinShaderMatrixParam param, const Matrix4x4f& val)        { GetWritableMatrixParam(param) = val; }
+	FORCE_INLINE void	SetTexEnvParam(BuiltinShaderTexEnvParam param, const ShaderLab::TexEnv& val) { GetWritableTexEnvParam(param) = val; }
+	FORCE_INLINE void	SetInstanceVectorParam(ShaderBuiltinInstanceVectorParam param, const Vector4f& val) { DebugAssert(param >= 0 && param < kShaderInstanceVecCount); instanceVectorValues[param] = val; }
+
+private:
+	Vector4f			vectorParamValues[kShaderVecCount];
+	Matrix4x4f			matrixParamValues[kShaderMatCount];
+	ShaderLab::TexEnv	texEnvParamValues[kShaderTexEnvCount];
+	Vector4f			instanceVectorValues[kShaderInstanceVecCount];
+};