dawn-cmake/src/dawn_native/opengl/OpenGLFunctions.h

51 lines
1.5 KiB
C++

// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_
#define DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_
#include <unordered_set>
#include "dawn_native/opengl/OpenGLFunctionsBase_autogen.h"
namespace dawn_native { namespace opengl {
struct OpenGLFunctions : OpenGLFunctionsBase {
public:
MaybeError Initialize(GetProcAddress getProc);
bool IsAtLeastGL(uint32_t majorVersion, uint32_t minorVersion) const;
bool IsAtLeastGLES(uint32_t majorVersion, uint32_t minorVersion) const;
bool IsGLExtensionSupported(const char* extension) const;
private:
void InitializeSupportedGLExtensions();
uint32_t mMajorVersion;
uint32_t mMinorVersion;
enum class Standard {
Desktop,
ES,
};
Standard mStandard;
std::unordered_set<std::string> mSupportedGLExtensionsSet;
};
}} // namespace dawn_native::opengl
#endif // DAWNNATIVE_OPENGL_OPENGLFUNCTIONS_H_