Optimize culling.

BUG=14625629 Change-Id: Iafe3d2db66d4f7e1a0597ffdaf865a781a015216

Optimize culling.
c68df5f2 · Nicolas Capens · Nicolas Capens · 10219e72 · c68df5f2
Commit c68df5f2 authored May 07, 2014 by Nicolas Capens Committed by Nicolas Capens May 28, 2014
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SetupRoutine.cpp src/Shader/SetupRoutine.cpp +4 -4

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--- a/src/Shader/SetupRoutine.cpp
+++ b/src/Shader/SetupRoutine.cpp
@@ -89,11 +89,11 @@ namespace sw
 					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)
 				{