From 61c327ba8b2e09e67acbcd7d1c807910fc0c1a68 Mon Sep 17 00:00:00 2001
From: NeoBrainX <NeoBrainX@gmail.com>
Date: Wed, 3 Apr 2013 18:53:49 +0200
Subject: [PATCH] D3D11: Fix glitched polygon edges when MSAA is enabled.

---
 Source/Core/VideoCommon/Src/PixelShaderGen.cpp  | 10 +++++-----
 Source/Core/VideoCommon/Src/VertexShaderGen.cpp | 16 ++++++++--------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
index 26391be4dd..31a80076d4 100644
--- a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
@@ -668,17 +668,17 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
 				per_pixel_depth ? "\n  out float depth : SV_Depth," : "");
 		}
 
-		WRITE(p, "  in float4 colors_0 : COLOR0,\n");
-		WRITE(p, "  in float4 colors_1 : COLOR1");
+		WRITE(p, "  in centroid float4 colors_0 : COLOR0,\n");
+		WRITE(p, "  in centroid float4 colors_1 : COLOR1");
 
 		// compute window position if needed because binding semantic WPOS is not widely supported
 		if (numTexgen < 7)
 		{
 			for (int i = 0; i < numTexgen; ++i)
-				WRITE(p, ",\n  in float3 uv%d : TEXCOORD%d", i, i);
-			WRITE(p, ",\n  in float4 clipPos : TEXCOORD%d", numTexgen);
+				WRITE(p, ",\n  in centroid float3 uv%d : TEXCOORD%d", i, i);
+			WRITE(p, ",\n  in centroid float4 clipPos : TEXCOORD%d", numTexgen);
 			if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
-				WRITE(p, ",\n  in float4 Normal : TEXCOORD%d", numTexgen + 1);
+				WRITE(p, ",\n  in centroid float4 Normal : TEXCOORD%d", numTexgen + 1);
 			WRITE(p, "        ) {\n");
 		}
 		else
diff --git a/Source/Core/VideoCommon/Src/VertexShaderGen.cpp b/Source/Core/VideoCommon/Src/VertexShaderGen.cpp
index 2c0f5676ed..a8149932bf 100644
--- a/Source/Core/VideoCommon/Src/VertexShaderGen.cpp
+++ b/Source/Core/VideoCommon/Src/VertexShaderGen.cpp
@@ -136,27 +136,27 @@ char* GenerateVSOutputStruct(char* p, u32 components, API_TYPE ApiType)
 	// GLSL makes this ugly
 	// TODO: Make pretty
 	WRITE(p, "struct VS_OUTPUT {\n");
-	WRITE(p, "  float4 pos %s POSITION;\n", ApiType == API_OPENGL ? ";//" : ":");
-	WRITE(p, "  float4 colors_0 %s COLOR0;\n", ApiType == API_OPENGL ? ";//" : ":");
-	WRITE(p, "  float4 colors_1 %s COLOR1;\n", ApiType == API_OPENGL ? ";//" : ":");
+	WRITE(p, "  centroid float4 pos %s POSITION;\n", ApiType == API_OPENGL ? ";//" : ":");
+	WRITE(p, "  centroid float4 colors_0 %s COLOR0;\n", ApiType == API_OPENGL ? ";//" : ":");
+	WRITE(p, "  centroid float4 colors_1 %s COLOR1;\n", ApiType == API_OPENGL ? ";//" : ":");
 
 	if (xfregs.numTexGen.numTexGens < 7) {
 		for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
-			WRITE(p, "  float3 tex%d %s TEXCOORD%d;\n", i, ApiType == API_OPENGL ? ";//" : ":", i);
-		WRITE(p, "  float4 clipPos %s TEXCOORD%d;\n", ApiType == API_OPENGL ? ";//" : ":", xfregs.numTexGen.numTexGens);
+			WRITE(p, "  centroid float3 tex%d %s TEXCOORD%d;\n", i, ApiType == API_OPENGL ? ";//" : ":", i);
+		WRITE(p, "  centroid float4 clipPos %s TEXCOORD%d;\n", ApiType == API_OPENGL ? ";//" : ":", xfregs.numTexGen.numTexGens);
 		if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
-			WRITE(p, "  float4 Normal %s TEXCOORD%d;\n", ApiType == API_OPENGL ? ";//" : ":", xfregs.numTexGen.numTexGens + 1);
+			WRITE(p, "  centroid float4 Normal %s TEXCOORD%d;\n", ApiType == API_OPENGL ? ";//" : ":", xfregs.numTexGen.numTexGens + 1);
 	} else {
 		// clip position is in w of first 4 texcoords
 		if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
 		{
 			for (int i = 0; i < 8; ++i)
-				WRITE(p, "  float4 tex%d %s TEXCOORD%d;\n", i, ApiType == API_OPENGL? ";//" : ":", i);
+				WRITE(p, "  centroid float4 tex%d %s TEXCOORD%d;\n", i, ApiType == API_OPENGL? ";//" : ":", i);
 		}
 		else
 		{
 			for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
-				WRITE(p, "  float%d tex%d %s TEXCOORD%d;\n", i < 4 ? 4 : 3 , i, ApiType == API_OPENGL ? ";//" : ":", i);
+				WRITE(p, "  centroid float%d tex%d %s TEXCOORD%d;\n", i < 4 ? 4 : 3 , i, ApiType == API_OPENGL ? ";//" : ":", i);
 		}
 	}
 	WRITE(p, "};\n");