| // 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 |