Remove depthOverride pixel state bit

src/Device/PixelProcessor.cpp

@@ -633,8 +633,6 @@ namespace sw
 			state.shaderID = 0;
 		}
 
-		state.depthOverride = context->pixelShader ? context->pixelShader->getModes().DepthReplacing : false;
-
 		if(context->alphaTestActive())
 		{
 			state.alphaCompareMode = context->alphaCompareMode;

src/Device/PixelProcessor.hpp

@@ -34,8 +34,6 @@ namespace sw
 
 			int shaderID;
 
-			bool depthOverride                        : 1;   // TODO: Eliminate by querying shader.
-
 			VkCompareOp depthCompareMode              : BITS(VK_COMPARE_OP_END_RANGE);
 			VkCompareOp alphaCompareMode              : BITS(VK_COMPARE_OP_END_RANGE);
 			bool depthWriteEnable                     : 1;

src/Device/QuadRasterizer.cpp

@@ -159,7 +159,7 @@ namespace sw
 				}
 			}
 
-			if(veryEarlyDepthTest && state.multiSample == 1 && !state.depthOverride)
+			if(veryEarlyDepthTest && state.multiSample == 1 && !spirvShader->getModes().DepthReplacing)
 			{
 				if(!state.stencilActive && state.depthTestActive && (state.depthCompareMode == VK_COMPARE_OP_LESS_OR_EQUAL || state.depthCompareMode == VK_COMPARE_OP_LESS))   // FIXME: Both modes ok?
 				{

src/Pipeline/PixelProgram.cpp

@@ -50,7 +50,7 @@ namespace sw
 
 		clampColor(c);
 
-		if(state.depthOverride)
+		if(spirvShader->getModes().DepthReplacing)
 		{
 			oDepth = Min(Max(oDepth, Float4(0.0f)), Float4(1.0f));
 		}

src/Pipeline/PixelRoutine.cpp

@@ -53,7 +53,7 @@ namespace sw
 			Long pipeTime = Ticks();
 		#endif
 
-		const bool earlyDepthTest = !state.depthOverride && !state.alphaTestActive();
+		const bool earlyDepthTest = !spirvShader->getModes().DepthReplacing && !state.alphaTestActive();
 
 		Int zMask[4];   // Depth mask
 		Int sMask[4];   // Stencil mask