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comparison: gfx/skia/trunk/include/gpu/gl/GrGLConfig_chrome.h
gfx/skia/trunk/include/gpu/gl/GrGLConfig_chrome.h
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| 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 #if defined(SK_BUILD_FOR_WIN32) | |
| 15 // ANGLE creates a temp VB for vertex attributes not specified per-vertex. | |
| 16 #define GR_GL_NO_CONSTANT_ATTRIBUTES 1 | |
| 17 | |
| 18 // For RGBA teximage/readpixels ANGLE will sw-convert to/from BGRA. | |
| 19 #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 1 | |
| 20 | |
| 21 // ANGLE can go faster if the entire fbo is read rather than a subrect | |
| 22 #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 1 | |
| 23 #else | |
| 24 #define GR_GL_NO_CONSTANT_ATTRIBUTES 0 | |
| 25 #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 0 | |
| 26 #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 0 | |
| 27 #endif | |
| 28 | |
| 29 // cmd buffer allocates memory and memsets it to zero when it sees glBufferData | |
| 30 // with NULL. | |
| 31 #define GR_GL_USE_BUFFER_DATA_NULL_HINT 0 | |
| 32 | |
| 33 // chrome uses this to set the context on each GL call. | |
| 34 #define GR_GL_PER_GL_FUNC_CALLBACK 1 | |
| 35 | |
| 36 // Check error is even more expensive in chrome (cmd buffer flush). The | |
| 37 // compositor also doesn't check its allocations. | |
| 38 #define GR_GL_CHECK_ALLOC_WITH_GET_ERROR 0 | |
| 39 | |
| 40 // CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes. | |
| 41 #define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT 1 | |
| 42 | |
| 43 // Non-VBO vertices and indices are not allowed in Chromium. | |
| 44 #define GR_GL_MUST_USE_VBO 1 | |
| 45 | |
| 46 // Use updated Khronos signature for glShaderSource | |
| 47 // (const char* const instead of char**). | |
| 48 #define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE 1 | |
| 49 | |
| 50 #if !defined(GR_GL_IGNORE_ES3_MSAA) | |
| 51 #define GR_GL_IGNORE_ES3_MSAA 1 | |
| 52 #endif | |
| 53 | |
| 54 #endif |
