1 // Copyright 2020 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_OPENGLVERSION_H_ 16 #define DAWNNATIVE_OPENGL_OPENGLVERSION_H_ 17 18 #include "dawn_native/opengl/OpenGLFunctionsBase_autogen.h" 19 20 namespace dawn_native { namespace opengl { 21 22 struct OpenGLVersion { 23 public: 24 MaybeError Initialize(GetProcAddress getProc); 25 26 bool IsDesktop() const; 27 bool IsES() const; 28 uint32_t GetMajor() const; 29 uint32_t GetMinor() const; 30 bool IsAtLeast(uint32_t majorVersion, uint32_t minorVersion) const; 31 32 private: 33 enum class Standard { 34 Desktop, 35 ES, 36 }; 37 uint32_t mMajorVersion; 38 uint32_t mMinorVersion; 39 Standard mStandard; 40 }; 41 42 }} // namespace dawn_native::opengl 43 44 #endif // DAWNNATIVE_OPENGL_OPENGLVERSION_H_ 45