1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#ifndef GrGLConfig_chrome_DEFINED
9#define GrGLConfig_chrome_DEFINED
10
11// glGetError() forces a sync with gpu process on chrome
12#define GR_GL_CHECK_ERROR_START                     0
13
14// ANGLE creates a temp VB for vertex attributes not specified per-vertex.
15#define GR_GL_NO_CONSTANT_ATTRIBUTES                GR_WIN32_BUILD
16
17// For RGBA teximage/readpixels ANGLE will sw-convert to/from BGRA.
18#define GR_GL_RGBA_8888_PIXEL_OPS_SLOW              GR_WIN32_BUILD
19
20// ANGLE can go faster if the entire fbo is read rather than a subrect
21#define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL   GR_WIN32_BUILD
22
23// cmd buffer allocates memory and memsets it to zero when it sees glBufferData
24// with NULL.
25#define GR_GL_USE_BUFFER_DATA_NULL_HINT             0
26
27// chrome uses this to set the context on each GL call.
28#define GR_GL_PER_GL_FUNC_CALLBACK                  1
29
30// Check error is even more expensive in chrome (cmd buffer flush). The
31// compositor also doesn't check its allocations.
32#define GR_GL_CHECK_ALLOC_WITH_GET_ERROR            0
33
34// CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes.
35#define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT      1
36
37#endif
38