Implemented gl_FragCoord support for DX11.

TRAC #22375 Signed-off-by: Shannon Woods Signed-off-by: Daniel Koch Author: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1689 736b8ea6-26fd-11df-bfd4-992fa37f6226

Implemented gl_FragCoord support for DX11.
74471e03 · daniel@transgaming.com · 2eb7ab71 · 74471e03
Commit 74471e03 authored Jan 11, 2013 by daniel@transgaming.com
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Showing with 13 additions and 2 deletions

ProgramBinary.cpp src/libGLESv2/ProgramBinary.cpp +13 -2

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--- a/src/libGLESv2/ProgramBinary.cpp
+++ b/src/libGLESv2/ProgramBinary.cpp
@@ -1401,7 +1401,13 @@ bool ProgramBinary::linkVaryings(InfoLog &infoLog, std::string& pixelHLSL, std::
    if (fragmentShader->mUsesFragCoord)
    {
        pixelHLSL += "    float4 gl_FragCoord : " + varyingSemantic + str(registers) + ";\n";
-        if (sm3) {
+        if (sm4)
+        {
+            pixelHLSL += "    float4 dx_VPos : SV_Position;\n";
+        }
+        else if (sm3)
+        {
            pixelHLSL += "    float2 dx_VPos : VPOS;\n";
        }
    }
@@ -1430,7 +1436,12 @@ bool ProgramBinary::linkVaryings(InfoLog &infoLog, std::string& pixelHLSL, std::
    {
        pixelHLSL += "    float rhw = 1.0 / input.gl_FragCoord.w;\n";
-        if (sm3)
+        if (sm4)
+        {
+            pixelHLSL += "    gl_FragCoord.x = input.dx_VPos.x;\n"
+                         "    gl_FragCoord.y = input.dx_VPos.y;\n";
+        }
+        else if (sm3)
        {
            pixelHLSL += "    gl_FragCoord.x = input.dx_VPos.x + 0.5;\n"
                         "    gl_FragCoord.y = input.dx_VPos.y + 0.5;\n";