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_GLFORMAT_H_ 16 #define DAWNNATIVE_OPENGL_GLFORMAT_H_ 17 18 #include "dawn_native/Format.h" 19 #include "dawn_native/opengl/opengl_platform.h" 20 21 namespace dawn_native { namespace opengl { 22 23 class Device; 24 25 struct GLFormat { 26 GLenum internalFormat = 0; 27 GLenum format = 0; 28 GLenum type = 0; 29 bool isSupportedOnBackend = false; 30 31 // OpenGL has different functions depending on the format component type, for example 32 // glClearBufferfv is only valid on formats with the Float ComponentType 33 enum ComponentType { Float, Int, Uint, DepthStencil }; 34 ComponentType componentType; 35 }; 36 37 using GLFormatTable = std::array<GLFormat, kKnownFormatCount>; 38 GLFormatTable BuildGLFormatTable(); 39 40 }} // namespace dawn_native::opengl 41 42 #endif // DAWNNATIVE_OPENGL_GLFORMAT_H_ 43