| Index: src/gpu/gl/GrGLDefines.h | 
| diff --git a/src/gpu/gl/GrGLDefines.h b/src/gpu/gl/GrGLDefines.h | 
| index dfab5e7e13a1c082164ae76b48122e35e25d20db..4570f4c94bf8ad50d76e28b84bcb48d1308078ff 100644 | 
| --- a/src/gpu/gl/GrGLDefines.h | 
| +++ b/src/gpu/gl/GrGLDefines.h | 
| @@ -110,8 +110,11 @@ | 
| #define GR_GL_ELEMENT_ARRAY_BUFFER           0x8893 | 
| #define GR_GL_ARRAY_BUFFER_BINDING           0x8894 | 
| #define GR_GL_ELEMENT_ARRAY_BUFFER_BINDING   0x8895 | 
| +#define GR_GL_PIXEL_PACK_BUFFER              0x88EB | 
| +#define GR_GL_PIXEL_UNPACK_BUFFER            0x88EC | 
|  | 
| #define GR_GL_STREAM_DRAW                    0x88E0 | 
| +#define GR_GL_STREAM_READ                    0x88E1 | 
| #define GR_GL_STATIC_DRAW                    0x88E4 | 
| #define GR_GL_DYNAMIC_DRAW                   0x88E8 | 
|  | 
|  |