work on android port

public/materialsystem/imaterialsystem.h

@@ -126,6 +126,37 @@ enum ETopologyMode
 	TOPOLOGY_MODE_TRIANGLE_STRIP,
 };
 
+enum EBlendingFactor
+{
+	BLENDING_FACTOR_ZERO,
+	BLENDING_FACTOR_ONE,
+	BLENDING_FACTOR_SRC_COLOR,
+	BLENDING_FACTOR_ONE_MINUS_SRC_COLOR,
+	BLENDING_FACTOR_DST_COLOR,
+	BLENDING_FACTOR_ONE_MINUS_DST_COLOR,
+	BLENDING_FACTOR_SRC_ALPHA,
+	BLENDING_FACTOR_ONE_MINUS_SRC_ALPHA ,
+	BLENDING_FACTOR_DST_ALPHA,
+	BLENDING_FACTOR_ONE_MINUS_DST_ALPHA,
+	BLENDING_FACTOR_CONSTANT_COLOR,
+	BLENDING_FACTOR_ONE_MINUS_CONSTANT_COLOR ,
+	BLENDING_FACTOR_CONSTANT_ALPHA,
+	BLENDING_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
+	BLENDING_FACTOR_SRC_ALPHA_SATURATE,
+	BLENDING_FACTOR_SRC1_COLOR,
+	BLENDING_FACTOR_ONE_MINUS_SRC1_COLOR,
+	BLENDING_FACTOR_SRC1_ALPHA,
+	BLENDING_FACTOR_ONE_MINUS_SRC1_ALPHA,
+};
+
+enum EBlendingOp
+{
+	BLENDING_OP_ADD,
+	BLENDING_OP_SUBTRACT,
+	BLENDING_OP_REVERSE_SUBTRACT,
+	BLENDING_OP_MIN,
+	BLENDING_OP_MAX,
+};
 
 //-----------------------------------------------------------------------------
 // Basic rendering object
@@ -225,6 +256,14 @@ public:
 	virtual void SetDepthImage( EImageFormat eFormat ) = 0;
 	virtual void SetMultisampling( EMultisampleType eFormat ) = 0;
 	virtual void DisablePixelShader( bool bDisable) = 0;
+	virtual void SetBlendingMode( int iImageIndex, 
+			EBlendingFactor eSrcColor, 
+			EBlendingFactor eDstColor,
+			EBlendingOp eColorOp,
+			EBlendingFactor eSrcAlpha, 
+			EBlendingFactor eDstAlpha,
+			EBlendingOp eAlphaOp
+			) = 0;
 };
 
 abstract_class IComputeShader: public IBaseShader