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