diff options
Diffstat (limited to 'chromium/ui/gl/gl_version_info.cc')
-rw-r--r-- | chromium/ui/gl/gl_version_info.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/chromium/ui/gl/gl_version_info.cc b/chromium/ui/gl/gl_version_info.cc new file mode 100644 index 00000000000..996c44f22cf --- /dev/null +++ b/chromium/ui/gl/gl_version_info.cc @@ -0,0 +1,42 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "ui/gl/gl_version_info.h" + +#include "base/strings/string_util.h" + +namespace gfx { + +GLVersionInfo::GLVersionInfo(const char* version_str, const char* renderer_str) + : is_es(false), + is_es1(false), + is_es2(false), + is_es3(false), + is_gl1(false), + is_gl2(false), + is_gl3(false), + is_gl4(false), + is_angle(false) { + if (version_str) { + std::string lstr(StringToLowerASCII(std::string(version_str))); + is_es = (lstr.substr(0, 9) == "opengl es"); + if (is_es) { + is_es1 = (lstr.substr(9, 2) == "-c" && lstr.substr(13, 2) == "1."); + is_es2 = (lstr.substr(9, 3) == " 2."); + is_es3 = (lstr.substr(9, 3) == " 3."); + } else { + is_gl2 = (lstr.substr(0, 2) == "2."); + is_gl3 = (lstr.substr(0, 2) == "3."); + is_gl4 = (lstr.substr(0, 2) == "4."); + // In early GL versions, GetString output format is implementation + // dependent. + is_gl1 = !is_gl2 && !is_gl3 && !is_gl4; + } + } + if (renderer_str) { + is_angle = StartsWithASCII(renderer_str, "ANGLE", true); + } +} + +} // namespace gfx |