| |
| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef GrGLConfig_chrome_DEFINED |
| #define GrGLConfig_chrome_DEFINED |
| |
| // glGetError() forces a sync with gpu process on chrome |
| #define GR_GL_CHECK_ERROR_START 0 |
| |
| #if defined(SK_BUILD_FOR_WIN32) |
| // ANGLE creates a temp VB for vertex attributes not specified per-vertex. |
| #define GR_GL_NO_CONSTANT_ATTRIBUTES 1 |
| |
| // For RGBA teximage/readpixels ANGLE will sw-convert to/from BGRA. |
| #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 1 |
| |
| // ANGLE can go faster if the entire fbo is read rather than a subrect |
| #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 1 |
| #else |
| #define GR_GL_NO_CONSTANT_ATTRIBUTES 0 |
| #define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 0 |
| #define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 0 |
| #endif |
| |
| // cmd buffer allocates memory and memsets it to zero when it sees glBufferData |
| // with NULL. |
| #define GR_GL_USE_BUFFER_DATA_NULL_HINT 0 |
| |
| // chrome uses this to set the context on each GL call. |
| #define GR_GL_PER_GL_FUNC_CALLBACK 1 |
| |
| // Check error is even more expensive in chrome (cmd buffer flush). The |
| // compositor also doesn't check its allocations. |
| #define GR_GL_CHECK_ALLOC_WITH_GET_ERROR 0 |
| |
| // CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes. |
| #define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT 1 |
| |
| // Non-VBO vertices and indices are not allowed in Chromium. |
| #define GR_GL_MUST_USE_VBO 1 |
| |
| // Use updated Khronos signature for glShaderSource |
| // (const char* const instead of char**). |
| #define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE 1 |
| |
| #if !defined(GR_GL_IGNORE_ES3_MSAA) |
| #define GR_GL_IGNORE_ES3_MSAA 1 |
| #endif |
| |
| #endif |
