+Unity Runtime codeHEADmaster

1 files changed, 65 insertions, 0 deletions

diff --git a/Runtime/GfxDevice/opengles30/FixedFunctionStateGLES30.h b/Runtime/GfxDevice/opengles30/FixedFunctionStateGLES30.h
new file mode 100644
index 0000000..8de6be8
--- /dev/null
+++ b/Runtime/GfxDevice/opengles30/FixedFunctionStateGLES30.h
@@ -0,0 +1,65 @@
+#ifndef FIXEDFUNCTIONSTATE_GLES30_H
+#define FIXEDFUNCTIONSTATE_GLES30_H
+
+#include "IncludesGLES30.h"
+#include "Runtime/GfxDevice/GfxDeviceTypes.h"
+#include <string>
+
+// we can use one var to determine both shift and mask, but let help out the compiler ;-)
+#define FFPSTATE_SET_MASK(target, idx, val, shift_mul, mask)	\
+do{																\
+	target &= ~(mask << ((idx)*shift_mul));						\
+	target |= (val << ((idx)*shift_mul));						\
+}while(0)														\
+
+
+
+class FixedFunctionStateGLES30
+{
+public:
+	FixedFunctionStateGLES30();
+
+	UInt32			texUnitColorCombiner[kMaxSupportedTextureUnitsGLES];
+	UInt32			texUnitAlphaCombiner[kMaxSupportedTextureUnitsGLES];
+	bool			texUnitCube[kMaxSupportedTextureUnitsGLES];
+	int				texUnitGen[kMaxSupportedTextureUnitsGLES];
+	int				texUnitCount;
+
+	// we will use 4bits per light - this way we can handle up to 8 lights (though kMaxEmulatedVertexLights = 4)
+	UInt32			lightType;
+	// we will use 2 bits per tex unit - one for perspective divide, the other one for if we need matrix mul at all
+	// this way we can store 16 texunit info (though kMaxSupportedTextureUnitsGLES = 8)
+	UInt32			texUnitMatrix;
+
+
+	bool			lightingEnabled;
+	bool			specularEnabled;
+	bool			onlyDirectionalLights;
+	int				lightCount : 8;
+	FogMode			fogMode : 8;
+	CompareFunction	alphaTest : 8;
+
+	bool			useUniformInsteadOfVertexColor;
+	bool			useVertexColorAsAmbientAndDiffuse;
+	bool			useVertexColorAsEmission;
+	bool			addSpecularAfterTexturing;
+
+	unsigned		GetLightType(int i) const			{ return (lightType >> (i*4)) & 0xF; }
+	void			SetLightType(int i, unsigned type)	{ FFPSTATE_SET_MASK(lightType, i, type, 4, 0xF); }
+
+	bool			NeedTexUnitMatrix(int i) const		{ return ((texUnitMatrix >> (i*2)) & 0x1) != 0; }
+	bool			IsTexUnitProjected(int i) const		{ return ((texUnitMatrix >> (i*2)) & 0x2) != 0; }
+
+	void 			SetTexUnitMatrixParam(int i, bool hasMatrix, bool isProjected)
+	{
+		int mask = (hasMatrix ? 1 : 0) | (isProjected ? 2 : 0);
+		FFPSTATE_SET_MASK(texUnitMatrix, i, mask, 2, 0x3);
+	}
+
+	std::string		ToString	() const;
+};
+
+
+#undef FFPSTATE_SET_MASK
+
+#endif /* FIXEDFUNCTIONSTATE_GLES30_H */