Remove unused readPixel() parameter.

src/Shader/PixelRoutine.cpp

@@ -1009,7 +1009,7 @@ namespace sw
 		}
 	}
 
-	void PixelRoutine::readPixel(Registers &r, int index, Pointer<Byte> &cBuffer, Vector4s &current, Int &x, Vector4s &pixel)
+	void PixelRoutine::readPixel(Registers &r, int index, Pointer<Byte> &cBuffer, Int &x, Vector4s &pixel)
 	{
 		Short4 c01;
 		Short4 c23;
@@ -1168,10 +1168,7 @@ namespace sw
 		}
 
 		Vector4s pixel;
-		Short4 c01;
-		Short4 c23;
-
-		readPixel(r, index, cBuffer, current, x, pixel);
+		readPixel(r, index, cBuffer, x, pixel);
 
 		// Final Color = ObjectColor * SourceBlendFactor + PixelColor * DestinationBlendFactor
 		Vector4s sourceFactor;
@@ -1290,9 +1287,7 @@ namespace sw
 		}
 
 		Vector4s pixel;
-
-		// Read pixel
-		readPixel(r, index, cBuffer, current, x, pixel);
+		readPixel(r, index, cBuffer, x, pixel);
 
 		switch(state.logicalOperation)
 		{

src/Shader/PixelRoutine.hpp

@@ -70,7 +70,7 @@ namespace sw
 		// Raster operations
 		void blendFactor(Registers &r, const Vector4s &blendFactor, const Vector4s &current, const Vector4s &pixel, BlendFactor blendFactorActive);
 		void blendFactorAlpha(Registers &r, const Vector4s &blendFactor, const Vector4s &current, const Vector4s &pixel, BlendFactor blendFactorAlphaActive);
-		void readPixel(Registers &r, int index, Pointer<Byte> &cBuffer, Vector4s &current, Int &x, Vector4s &pixel);
+		void readPixel(Registers &r, int index, Pointer<Byte> &cBuffer, Int &x, Vector4s &pixel);
 		void alphaBlend(Registers &r, int index, Pointer<Byte> &cBuffer, Vector4s &current, Int &x);
 		void logicOperation(Registers &r, int index, Pointer<Byte> &cBuffer, Vector4s &current, Int &x);
 		void writeColor(Registers &r, int index, Pointer<Byte> &cBuffer, Int &i, Vector4s &current, Int &sMask, Int &zMask, Int &cMask);