chromium/third_party/dawn/include/dawn/native/OpenGLBackend.h

// Copyright 2018 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_
#define INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_

#include "dawn/native/DawnNative.h"
#include "webgpu/webgpu_cpp_chained_struct.h"

namespace dawn::native::opengl {

EGLDisplay;
EGLImage;
GLuint;

// Define a GetProc function pointer that mirrors the one in egl.h
#if defined(_WIN32)
#define DAWN_STDCALL
#else  // defined(_WIN32)
#define DAWN_STDCALL
#endif  // defined(_WIN32)

EGLFunctionPointerType;
// NOLINTNEXTLINE(readability/casting): cpplint thinks this is a C-style cast but it isn't.
EGLGetProcProc;
#undef DAWN_STDCALL

// Can be chained in WGPURequestAdapterOptions
struct DAWN_NATIVE_EXPORT RequestAdapterOptionsGetGLProc : wgpu::ChainedStruct {};

struct DAWN_NATIVE_EXPORT ExternalImageDescriptorEGLImage : ExternalImageDescriptor {};

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

struct DAWN_NATIVE_EXPORT ExternalImageDescriptorGLTexture : ExternalImageDescriptor {};

DAWN_NATIVE_EXPORT WGPUTexture
WrapExternalGLTexture(WGPUDevice device, const ExternalImageDescriptorGLTexture* descriptor);

}  // namespace dawn::native::opengl

#endif  // INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_