Fix support for variable number of render targets.

src/Main/Config.hpp

@@ -91,7 +91,7 @@ namespace sw
 		MAX_CLIP_PLANES = 6,
 		MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS = 64,
 		MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 64,
-		RENDERTARGETS = 4,
+		RENDERTARGETS = 8,
 	};
 }
 

src/OpenGL/libGLESv2/Device.cpp

@@ -72,7 +72,6 @@ namespace es2
 		setPointSize(1.0f);
 		setPointSizeMin(0.125f);
         setPointSizeMax(8192.0f);
-		setColorWriteMask(0, 0x0000000F);
 		setBlendOperation(BLENDOP_ADD);
 		scissorEnable = false;
 		setSlopeDepthBias(0.0f);
@@ -81,9 +80,6 @@ namespace es2
 		setStencilZFailOperationCCW(OPERATION_KEEP);
 		setStencilPassOperationCCW(OPERATION_KEEP);
 		setStencilCompareCCW(STENCIL_ALWAYS);
-		setColorWriteMask(1, 0x0000000F);
-		setColorWriteMask(2, 0x0000000F);
-		setColorWriteMask(3, 0x0000000F);
 		setBlendConstant(0xFFFFFFFF);
 		setWriteSRGB(false);
 		setDepthBias(0.0f);

src/Renderer/Context.cpp

@@ -272,10 +272,11 @@ namespace sw
 
 		cullMode = CULL_CLOCKWISE;
 		alphaReference = 0.0f;
-		colorWriteMask[0] = 0x0000000F;
-		colorWriteMask[1] = 0x0000000F;
-		colorWriteMask[2] = 0x0000000F;
-		colorWriteMask[3] = 0x0000000F;
+
+		for(int i = 0; i < RENDERTARGETS; i++)
+		{
+			colorWriteMask[i] = 0x0000000F;
+		}
 
 		ambientMaterialSource = MATERIAL_MATERIAL;
 		diffuseMaterialSource = MATERIAL_COLOR1;

src/Renderer/Context.hpp

@@ -518,7 +518,7 @@ namespace sw
 		bool pointScaleEnable;
 		float lineWidth;
 
-		int colorWriteMask[4];   // RGBA
+		int colorWriteMask[RENDERTARGETS];   // RGBA
 		bool writeSRGB;
 		unsigned int sampleMask;
 		unsigned int multiSampleMask;

src/Renderer/PixelProcessor.cpp

@@ -959,13 +959,9 @@ namespace sw
 
 		state.logicalOperation = context->colorLogicOp();
 
-		state.colorWriteMask = (context->colorWriteActive(0) << 0) |
-		                       (context->colorWriteActive(1) << 4) |
-		                       (context->colorWriteActive(2) << 8) |
-		                       (context->colorWriteActive(3) << 12);
-
 		for(int i = 0; i < RENDERTARGETS; i++)
 		{
+			state.colorWriteMask |= context->colorWriteActive(i) << (4 * i);
 			state.targetFormat[i] = context->renderTargetInternalFormat(i);
 		}
 

src/Renderer/PixelProcessor.hpp

@@ -71,8 +71,8 @@ namespace sw
 			BlendFactor sourceBlendFactorAlpha        : BITS(BLEND_LAST);
 			BlendFactor destBlendFactorAlpha          : BITS(BLEND_LAST);
 			BlendOperation blendOperationAlpha        : BITS(BLENDOP_LAST);
-			
-			unsigned int colorWriteMask                       : 16;   // (four times four component bit mask)
+
+			unsigned int colorWriteMask                       : RENDERTARGETS * 4;   // Four component bit masks
 			Format targetFormat[RENDERTARGETS];
 			bool writeSRGB                                    : 1;
 			unsigned int multiSample                          : 3;