PixelShaderGen: Use bit shifts instead of multiplications as a small optimization.

2014-02-28 20:32:09 +01:00 · 2014-02-28 20:32:09 +01:00 · 8b8bb04fd3
parent 036a8c6951
commit 8b8bb04fd3
1 changed files with 8 additions and 8 deletions
--- a/Source/Core/VideoCommon/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/PixelShaderGen.cpp
@ -101,10 +101,10 @@ static const char *tevKSelTableA[] = // KASEL

 static const char *tevScaleTable[] = // CS
 {
-	"*1",     // SCALE_1
-	"*2",     // SCALE_2
-	"*4",     // SCALE_4
-	"/ 2",  // DIVIDE_2
+	"",       // SCALE_1
+	" << 1",  // SCALE_2
+	" << 2",  // SCALE_4
+	" >> 1",  // DIVIDE_2
 };

 static const char *tevBiasTable[] = // TB