src/include/dawn_native/MetalBackend.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_METALBACKEND_H_
#define DAWNNATIVE_METALBACKEND_H_

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

struct __IOSurface;
typedef __IOSurface* IOSurfaceRef;

#ifdef __OBJC__
#    import <Metal/Metal.h>
#endif  //__OBJC__

namespace dawn_native { namespace metal {
    DAWN_NATIVE_EXPORT dawnTexture WrapIOSurface(dawnDevice device,
                                                 const dawnTextureDescriptor* descriptor,
                                                 IOSurfaceRef ioSurface,
                                                 uint32_t plane);
}}  // namespace dawn_native::metal

#ifdef __OBJC__
namespace dawn_native { namespace metal {
    DAWN_NATIVE_EXPORT id<MTLDevice> GetMetalDevice(dawnDevice device);
}}      // namespace dawn_native::metal
#endif  // __OBJC__

#endif  // DAWNNATIVE_METALBACKEND_H_