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 INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_
#define INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_

typedef void* EGLImage;

#include "dawn/dawn_wsi.h"
#include "dawn/native/DawnNative.h"

namespace dawn::native::opengl {

struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptions : public AdapterDiscoveryOptionsBase {
    explicit AdapterDiscoveryOptions(WGPUBackendType type);

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

// TODO(crbug.com/dawn/810): This struct can be removed once Chrome is no longer using it.
struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptionsES : public AdapterDiscoveryOptions {
    AdapterDiscoveryOptionsES();
};

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  // INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_