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 // cmd buffer allocates memory and memsets it to zero when it sees glBufferData
15 // with NULL.
16 #define GR_GL_USE_BUFFER_DATA_NULL_HINT             0
17 
18 // chrome uses this to set the context on each GL call.
19 #define GR_GL_PER_GL_FUNC_CALLBACK                  1
20 
21 // Check error is even more expensive in chrome (cmd buffer flush). The
22 // compositor also doesn't check its allocations.
23 #define GR_GL_CHECK_ALLOC_WITH_GET_ERROR            0
24 
25 // CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes.
26 #define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT      1
27 
28 // Non-VBO vertices and indices are not allowed in Chromium.
29 #define GR_GL_MUST_USE_VBO                          1
30 
31 // Use updated Khronos signature for glShaderSource
32 // (const char* const instead of char**).
33 #define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE       1
34 
35 #if !defined(GR_GL_IGNORE_ES3_MSAA)
36     #define GR_GL_IGNORE_ES3_MSAA 1
37 #endif
38 
39 #endif
40