Add support for GL_ANGLE_texture_usage
Review URL: http://codereview.appspot.com/5478052/
git-svn-id: http://skia.googlecode.com/svn/trunk@2845 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrGLDefines.h b/include/gpu/GrGLDefines.h
index 4dc6278..6a57982 100644
--- a/include/gpu/GrGLDefines.h
+++ b/include/gpu/GrGLDefines.h
@@ -369,11 +369,15 @@
#define GR_GL_NEAREST_MIPMAP_LINEAR 0x2702
#define GR_GL_LINEAR_MIPMAP_LINEAR 0x2703
+/* TextureUsage */
+#define GR_GL_FRAMEBUFFER_ATTACHMENT 0x93A3
+
/* TextureParameterName */
#define GR_GL_TEXTURE_MAG_FILTER 0x2800
#define GR_GL_TEXTURE_MIN_FILTER 0x2801
#define GR_GL_TEXTURE_WRAP_S 0x2802
#define GR_GL_TEXTURE_WRAP_T 0x2803
+#define GR_GL_TEXTURE_USAGE 0x93A2
/* TextureTarget */
/* GL_TEXTURE_2D */