src/include/dawn_native/OpenGLBackend.h

// Copyright 2018 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_OPENGLBACKEND_H_
#define DAWNNATIVE_OPENGLBACKEND_H_

typedef void* EGLImage;

#include <dawn/dawn_wsi.h>
#include <dawn_native/DawnNative.h>

namespace dawn_native { namespace opengl {

    struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptions : public AdapterDiscoveryOptionsBase {
        AdapterDiscoveryOptions();

        void* (*getProc)(const char*);
    };

    struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptionsES : public AdapterDiscoveryOptionsBase {
        AdapterDiscoveryOptionsES();

        void* (*getProc)(const char*);
    };

    using PresentCallback = void (*)(void*);
    DAWN_NATIVE_EXPORT DawnSwapChainImplementation
    CreateNativeSwapChainImpl(WGPUDevice device, PresentCallback present, void* presentUserdata);
    DAWN_NATIVE_EXPORT WGPUTextureFormat
    GetNativeSwapChainPreferredFormat(const DawnSwapChainImplementation* swapChain);

    struct DAWN_NATIVE_EXPORT ExternalImageDescriptorEGLImage : ExternalImageDescriptor {
      public:
        ExternalImageDescriptorEGLImage();

        ::EGLImage image;
    };

    DAWN_NATIVE_EXPORT WGPUTexture
    WrapExternalEGLImage(WGPUDevice device, const ExternalImageDescriptorEGLImage* descriptor);

}}  // namespace dawn_native::opengl

#endif  // DAWNNATIVE_OPENGLBACKEND_H_