1 // Copyright 2019 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_ 16 #define DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_ 17 18 #include <unordered_set> 19 20 #include "dawn_native/opengl/OpenGLFunctionsBase_autogen.h" 21 #include "dawn_native/opengl/OpenGLVersion.h" 22 23 namespace dawn_native { namespace opengl { 24 25 struct OpenGLFunctions : OpenGLFunctionsBase { 26 public: 27 MaybeError Initialize(GetProcAddress getProc); 28 29 const OpenGLVersion& GetVersion() const; 30 bool IsAtLeastGL(uint32_t majorVersion, uint32_t minorVersion) const; 31 bool IsAtLeastGLES(uint32_t majorVersion, uint32_t minorVersion) const; 32 33 bool IsGLExtensionSupported(const char* extension) const; 34 35 private: 36 void InitializeSupportedGLExtensions(); 37 38 OpenGLVersion mVersion; 39 40 std::unordered_set<std::string> mSupportedGLExtensionsSet; 41 }; 42 43 }} // namespace dawn_native::opengl 44 45 #endif // DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_ 46