include/dawn/native/OpenGLBackend.h

// Copyright 2018 The Dawn & Tint Authors
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#ifndef INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_
#define INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_

using EGLDisplay = void*;
using EGLImage = void*;
using GLuint = unsigned int;

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

namespace dawn::native::opengl {

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

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

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

    ::EGLImage image;
};

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

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

    GLuint texture;
};

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

}  // namespace dawn::native::opengl

#endif  // INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_