commit 7386858e17ed4bec48892a3889521fcdaf0fe35c
author daniel@transgaming.com <daniel@transgaming.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu Dec 20 20:56:10 2012 +0000
committer daniel@transgaming.com <daniel@transgaming.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu Dec 20 20:56:10 2012 +0000
tree 0f011e857219c5c832d409062bab07d207090d21
parent a41d07f0434c7b674510fda137daaaebb4b0ed6d

Compute gl_FrontFacing using a single float constant.

TRAC #22245
Signed-off-by: Daniel Koch
Signed-off-by: Geoff Lang
Author: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1580 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/Context.cpp

diff --git a/src/libGLESv2/Context.cpp b/src/libGLESv2/Context.cpp
index c94ba04..f75545f 100644
--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -1734,12 +1734,8 @@
     Framebuffer *framebufferObject = getDrawFramebuffer();
 
     GLint frontCCW = programBinary->getDxFrontCCWLocation();
-    GLint ccw = (mState.rasterizer.frontFace == GL_CCW);
-    programBinary->setUniform1iv(frontCCW, 1, &ccw);
-
-    GLint pointsOrLines = programBinary->getDxPointsOrLinesLocation();
-    GLint alwaysFront = !isTriangleMode(drawMode);
-    programBinary->setUniform1iv(pointsOrLines, 1, &alwaysFront);
+    GLfloat ccw = !isTriangleMode(drawMode) ? 0.0f : (mState.rasterizer.frontFace == GL_CCW ? 1.0f : -1.0f);
+    programBinary->setUniform1fv(frontCCW, 1, &ccw);
 
     mRenderer->setRasterizerState(mState.rasterizer);