commit c68df5f2c3fd9f06bb19b37a0e10323b27cf22ed
author Nicolas Capens <capn@google.com> Wed May 07 01:14:21 2014 -0400
committer Nicolas Capens <nicolascapens@google.com> Wed May 28 17:46:10 2014 +0000
tree cd3ffd47a374da2b35be6dc52e4f1d2905996675
parent 10219e7243e8397781cb9302cd8f9937cf906dc2

Optimize culling.

BUG=14625629

Change-Id: Iafe3d2db66d4f7e1a0597ffdaf865a781a015216

src/Shader/SetupRoutine.cpp

diff --git a/src/Shader/SetupRoutine.cpp b/src/Shader/SetupRoutine.cpp
index 8c5835c..e52da92 100644
--- a/src/Shader/SetupRoutine.cpp
+++ b/src/Shader/SetupRoutine.cpp
@@ -89,11 +89,11 @@
 					Return(false);
 				}
 
-				Float w0w1w2 = *Pointer<Float>(v0 + pos * 16 + 12) *
-							   *Pointer<Float>(v1 + pos * 16 + 12) *
-							   *Pointer<Float>(v2 + pos * 16 + 12);
+				Int w0w1w2 = *Pointer<Int>(v0 + pos * 16 + 12) ^
+							 *Pointer<Int>(v1 + pos * 16 + 12) ^
+							 *Pointer<Int>(v2 + pos * 16 + 12);
 
-				A = IfThenElse(w0w1w2 < 0.0f, -A, A);
+				A = IfThenElse(w0w1w2 < 0, -A, A);
 
 				if(state.cullMode == Context::CULL_CLOCKWISE)
 				{