1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/include/gpu/gl/GrGLConfig_chrome.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,54 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2011 Google Inc.
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +#ifndef GrGLConfig_chrome_DEFINED
1.12 +#define GrGLConfig_chrome_DEFINED
1.13 +
1.14 +// glGetError() forces a sync with gpu process on chrome
1.15 +#define GR_GL_CHECK_ERROR_START 0
1.16 +
1.17 +#if defined(SK_BUILD_FOR_WIN32)
1.18 +// ANGLE creates a temp VB for vertex attributes not specified per-vertex.
1.19 +#define GR_GL_NO_CONSTANT_ATTRIBUTES 1
1.20 +
1.21 +// For RGBA teximage/readpixels ANGLE will sw-convert to/from BGRA.
1.22 +#define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 1
1.23 +
1.24 +// ANGLE can go faster if the entire fbo is read rather than a subrect
1.25 +#define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 1
1.26 +#else
1.27 +#define GR_GL_NO_CONSTANT_ATTRIBUTES 0
1.28 +#define GR_GL_RGBA_8888_PIXEL_OPS_SLOW 0
1.29 +#define GR_GL_FULL_READPIXELS_FASTER_THAN_PARTIAL 0
1.30 +#endif
1.31 +
1.32 +// cmd buffer allocates memory and memsets it to zero when it sees glBufferData
1.33 +// with NULL.
1.34 +#define GR_GL_USE_BUFFER_DATA_NULL_HINT 0
1.35 +
1.36 +// chrome uses this to set the context on each GL call.
1.37 +#define GR_GL_PER_GL_FUNC_CALLBACK 1
1.38 +
1.39 +// Check error is even more expensive in chrome (cmd buffer flush). The
1.40 +// compositor also doesn't check its allocations.
1.41 +#define GR_GL_CHECK_ALLOC_WITH_GET_ERROR 0
1.42 +
1.43 +// CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes.
1.44 +#define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT 1
1.45 +
1.46 +// Non-VBO vertices and indices are not allowed in Chromium.
1.47 +#define GR_GL_MUST_USE_VBO 1
1.48 +
1.49 +// Use updated Khronos signature for glShaderSource
1.50 +// (const char* const instead of char**).
1.51 +#define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE 1
1.52 +
1.53 +#if !defined(GR_GL_IGNORE_ES3_MSAA)
1.54 + #define GR_GL_IGNORE_ES3_MSAA 1
1.55 +#endif
1.56 +
1.57 +#endif
