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