72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_METALBACKEND_H_
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#define DAWNNATIVE_METALBACKEND_H_
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#include <dawn/dawn_wsi.h>
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#include <dawn/native/DawnNative.h>
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// The specifics of the Metal backend expose types in function signatures that might not be
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// available in dependent's minimum supported SDK version. Suppress all availability errors using
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// clang's pragmas. Dependents using the types without guarded availability will still get errors
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// when using the types.
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunguarded-availability"
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struct __IOSurface;
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typedef __IOSurface* IOSurfaceRef;
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#ifdef __OBJC__
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# import <Metal/Metal.h>
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#endif //__OBJC__
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namespace dawn::native::metal {
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struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptions : public AdapterDiscoveryOptionsBase {
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AdapterDiscoveryOptions();
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};
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struct DAWN_NATIVE_EXPORT ExternalImageDescriptorIOSurface : ExternalImageDescriptor {
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public:
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ExternalImageDescriptorIOSurface();
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IOSurfaceRef ioSurface;
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uint32_t plane;
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};
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DAWN_NATIVE_EXPORT WGPUTexture
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WrapIOSurface(WGPUDevice device, const ExternalImageDescriptorIOSurface* descriptor);
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// When making Metal interop with other APIs, we need to be careful that QueueSubmit doesn't
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// mean that the operations will be visible to other APIs/Metal devices right away. macOS
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// does have a global queue of graphics operations, but the command buffers are inserted there
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// when they are "scheduled". Submitting other operations before the command buffer is
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// scheduled could lead to races in who gets scheduled first and incorrect rendering.
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DAWN_NATIVE_EXPORT void WaitForCommandsToBeScheduled(WGPUDevice device);
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} // namespace dawn::native::metal
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#ifdef __OBJC__
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namespace dawn::native::metal {
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DAWN_NATIVE_EXPORT id<MTLDevice> GetMetalDevice(WGPUDevice device);
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} // namespace dawn::native::metal
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#endif // __OBJC__
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#pragma clang diagnostic pop
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#endif // DAWNNATIVE_METALBACKEND_H_
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