Add test to detect bias in conversion of frag shader floats to bytes

Review URL: http://codereview.appspot.com/5669045/


git-svn-id: http://skia.googlecode.com/svn/trunk@3191 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index a5318ebde8..27e42582c0 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -10,6 +10,7 @@
 #ifndef GrGLCaps_DEFINED
 #define GrGLCaps_DEFINED
 
+#include "GrGLColorConversionTest.h"
 #include "GrGLStencilBuffer.h"
 
 class GrGLContextInfo;
@@ -102,6 +103,10 @@ public:
                     GrPixelConfig config,
                     const GrGLStencilBuffer::Format& format) const;
 
+    GrGLByteColorConversion byteColorConversion() const {
+        return fByteColorConversion;
+    }
+
     /**
      * Reports the type of MSAA FBO support.
      */
@@ -211,6 +216,7 @@ private:
 
     int fMaxFragmentUniformVectors;
     MSFBOType fMSFBOType;
+    GrGLByteColorConversion fByteColorConversion;
 
     bool fRGBA8RenderbufferSupport : 1;
     bool fBGRAFormatSupport : 1;