| // 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> |
| |
| // The specifics of the Metal backend expose types in function signatures that might not be |
| // available in dependent's minimum supported SDK version. Suppress all availability errors using |
| // clang's pragmas. Dependents using the types without guarded availability will still get errors |
| // when using the types. |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wunguarded-availability" |
| |
| struct __IOSurface; |
| typedef __IOSurface* IOSurfaceRef; |
| |
| #ifdef __OBJC__ |
| # import <Metal/Metal.h> |
| #endif //__OBJC__ |
| |
| namespace dawn::native::metal { |
| |
| struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptions : public AdapterDiscoveryOptionsBase { |
| AdapterDiscoveryOptions(); |
| }; |
| |
| struct DAWN_NATIVE_EXPORT ExternalImageDescriptorIOSurface : ExternalImageDescriptor { |
| public: |
| ExternalImageDescriptorIOSurface(); |
| |
| IOSurfaceRef ioSurface; |
| uint32_t plane; |
| }; |
| |
| DAWN_NATIVE_EXPORT WGPUTexture |
| WrapIOSurface(WGPUDevice device, const ExternalImageDescriptorIOSurface* descriptor); |
| |
| // When making Metal interop with other APIs, we need to be careful that QueueSubmit doesn't |
| // mean that the operations will be visible to other APIs/Metal devices right away. macOS |
| // does have a global queue of graphics operations, but the command buffers are inserted there |
| // when they are "scheduled". Submitting other operations before the command buffer is |
| // scheduled could lead to races in who gets scheduled first and incorrect rendering. |
| DAWN_NATIVE_EXPORT void WaitForCommandsToBeScheduled(WGPUDevice device); |
| |
| } // namespace dawn::native::metal |
| |
| #ifdef __OBJC__ |
| namespace dawn::native::metal { |
| |
| DAWN_NATIVE_EXPORT id<MTLDevice> GetMetalDevice(WGPUDevice device); |
| |
| } // namespace dawn::native::metal |
| #endif // __OBJC__ |
| |
| #pragma clang diagnostic pop |
| |
| #endif // DAWNNATIVE_METALBACKEND_H_ |