1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ui/gl/gl_version_info.h" 6 7 #include "base/strings/string_util.h" 8 9 namespace gfx { 10 11 GLVersionInfo::GLVersionInfo(const char* version_str, const char* renderer_str) 12 : is_es(false), 13 is_es1(false), 14 is_es2(false), 15 is_es3(false), 16 is_gl1(false), 17 is_gl2(false), 18 is_gl3(false), 19 is_gl4(false), 20 is_angle(false) { 21 if (version_str) { 22 std::string lstr(base::StringToLowerASCII(std::string(version_str))); 23 is_es = (lstr.substr(0, 9) == "opengl es"); 24 if (is_es) { 25 is_es1 = (lstr.substr(9, 2) == "-c" && lstr.substr(13, 2) == "1."); 26 is_es2 = (lstr.substr(9, 3) == " 2."); 27 is_es3 = (lstr.substr(9, 3) == " 3."); 28 } else { 29 is_gl2 = (lstr.substr(0, 2) == "2."); 30 is_gl3 = (lstr.substr(0, 2) == "3."); 31 is_gl4 = (lstr.substr(0, 2) == "4."); 32 // In early GL versions, GetString output format is implementation 33 // dependent. 34 is_gl1 = !is_gl2 && !is_gl3 && !is_gl4; 35 } 36 } 37 if (renderer_str) { 38 is_angle = StartsWithASCII(renderer_str, "ANGLE", true); 39 } 40 } 41 42 } // namespace gfx 43
