| // Copyright 2019 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. |
| |
| // MetalBackend.cpp: contains the definition of symbols exported by MetalBackend.h so that they |
| // can be compiled twice: once export (shared library), once not exported (static library) |
| |
| #include "dawn/native/MetalBackend.h" |
| |
| #include "dawn/native/metal/CommandRecordingContext.h" |
| #include "dawn/native/metal/DeviceMTL.h" |
| #include "dawn/native/metal/TextureMTL.h" |
| |
| namespace dawn::native::metal { |
| |
| PhysicalDeviceDiscoveryOptions::PhysicalDeviceDiscoveryOptions() |
| : PhysicalDeviceDiscoveryOptionsBase(WGPUBackendType_Metal) {} |
| |
| ExternalImageDescriptorIOSurface::ExternalImageDescriptorIOSurface() |
| : ExternalImageDescriptor(ExternalImageType::IOSurface) {} |
| |
| ExternalImageDescriptorIOSurface::~ExternalImageDescriptorIOSurface() = default; |
| |
| WGPUTexture WrapIOSurface(WGPUDevice device, const ExternalImageDescriptorIOSurface* cDescriptor) { |
| Device* backendDevice = ToBackend(FromAPI(device)); |
| std::vector<MTLSharedEventAndSignalValue> waitEvents; |
| for (const auto& waitEvent : cDescriptor->waitEvents) { |
| waitEvents.push_back( |
| {static_cast<id<MTLSharedEvent>>(waitEvent.sharedEvent), waitEvent.signaledValue}); |
| } |
| auto deviceLock(backendDevice->GetScopedLock()); |
| Ref<TextureBase> texture = backendDevice->CreateTextureWrappingIOSurface( |
| cDescriptor, cDescriptor->ioSurface, std::move(waitEvents)); |
| return ToAPI(texture.Detach()); |
| } |
| |
| void IOSurfaceEndAccess(WGPUTexture cTexture, |
| ExternalImageIOSurfaceEndAccessDescriptor* descriptor) { |
| Texture* texture = ToBackend(FromAPI(cTexture)); |
| auto device = texture->GetDevice(); |
| auto deviceLock(device->GetScopedLock()); |
| texture->IOSurfaceEndAccess(descriptor); |
| } |
| |
| void WaitForCommandsToBeScheduled(WGPUDevice device) { |
| Device* backendDevice = ToBackend(FromAPI(device)); |
| auto deviceLock(backendDevice->GetScopedLock()); |
| backendDevice->WaitForCommandsToBeScheduled(); |
| } |
| |
| } // namespace dawn::native::metal |