Initial version of R8 support
http://codereview.appspot.com/5967067/
git-svn-id: http://skia.googlecode.com/svn/trunk@3622 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLProgram.h b/src/gpu/gl/GrGLProgram.h
index 76f9c90..0d8c39a 100644
--- a/src/gpu/gl/GrGLProgram.h
+++ b/src/gpu/gl/GrGLProgram.h
@@ -120,7 +120,7 @@
described are performed after reading a texel.
*/
enum InConfigFlags {
- kNone_InConfigFlag = 0x0,
+ kNone_InConfigFlag = 0x00,
/**
Swap the R and B channels. This is incompatible with
@@ -128,15 +128,24 @@
the shader using GL_ARB_texture_swizzle if possible rather
than setting this flag.
*/
- kSwapRAndB_InConfigFlag = 0x1,
+ kSwapRAndB_InConfigFlag = 0x01,
/**
Smear alpha across all four channels. This is incompatible with
- kSwapRAndB and kMulRGBByAlpha*. It is prefereable to perform
- the smear outside the shader using GL_ARB_texture_swizzle if
- possible rather than setting this flag.
+ kSwapRAndB, kMulRGBByAlpha* and kSmearRed. It is prefereable
+ to perform the smear outside the shader using
+ GL_ARB_texture_swizzle if possible rather than setting this
+ flag.
*/
- kSmearAlpha_InConfigFlag = 0x2,
+ kSmearAlpha_InConfigFlag = 0x02,
+
+ /**
+ Smear the red channel across all four channels. This flag is
+ incompatible with kSwapRAndB, kMulRGBByAlpha*and kSmearAlpha.
+ It is preferable to use GL_ARB_texture_swizzle instead of this
+ flag.
+ */
+ kSmearRed_InConfigFlag = 0x04,
/**
Multiply r,g,b by a after texture reads. This flag incompatible
@@ -147,8 +156,8 @@
of 1/255.0 and the other rounds down. At most one of these
flags may be set.
*/
- kMulRGBByAlpha_RoundUp_InConfigFlag = 0x4,
- kMulRGBByAlpha_RoundDown_InConfigFlag = 0x8,
+ kMulRGBByAlpha_RoundUp_InConfigFlag = 0x08,
+ kMulRGBByAlpha_RoundDown_InConfigFlag = 0x10,
kDummyInConfigFlag,
kInConfigBitMask = (kDummyInConfigFlag-1) |