Fix Context::colorWriteActive to consider all rendertargets

src/Device/Context.cpp

@@ -730,9 +730,17 @@ namespace sw
 		}
 	}
 
-	int Context::colorWriteActive()
+	bool Context::colorWriteActive()
 	{
-		return colorWriteActive(0) | colorWriteActive(1) | colorWriteActive(2) | colorWriteActive(3);
+		for (int i = 0; i < RENDERTARGETS; i++)
+		{
+			if (colorWriteActive(i))
+			{
+				return true;
+			}
+		}
+
+		return false;
 	}
 
 	int Context::colorWriteActive(int index)

src/Device/Context.hpp

@@ -189,7 +189,7 @@ namespace sw
 		float slopeDepthBias;
 
 		VkFormat renderTargetInternalFormat(int index);
-		int colorWriteActive();
+		bool colorWriteActive();
 		int colorWriteActive(int index);
 		bool colorUsed();
 

src/Renderer/Context.cpp

@@ -1468,9 +1468,17 @@ namespace sw
 		}
 	}
 
-	int Context::colorWriteActive()
+	bool Context::colorWriteActive()
 	{
-		return colorWriteActive(0) | colorWriteActive(1) | colorWriteActive(2) | colorWriteActive(3);
+		for (int i = 0; i < RENDERTARGETS; i++)
+		{
+			if (colorWriteActive(i))
+			{
+				return true;
+			}
+		}
+
+		return false;
 	}
 
 	int Context::colorWriteActive(int index)

src/Renderer/Context.hpp

@@ -442,7 +442,7 @@ namespace sw
 		Sampler sampler[TOTAL_IMAGE_UNITS];
 
 		Format renderTargetInternalFormat(int index);
-		int colorWriteActive();
+		bool colorWriteActive();
 		int colorWriteActive(int index);
 		bool colorUsed();