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// 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.
// D3D12Backend.cpp: contains the definition of symbols exported by D3D12Backend.h so that they
// can be compiled twice: once export (shared library), once not exported (static library)
#include "dawn_native/D3D12Backend.h"
#include "common/SwapChainUtils.h"
#include "dawn_native/d3d12/DeviceD3D12.h"
#include "dawn_native/d3d12/NativeSwapChainImplD3D12.h"
#include "dawn_native/d3d12/ResidencyManagerD3D12.h"
#include "dawn_native/d3d12/TextureD3D12.h"
namespace dawn_native { namespace d3d12 {
ComPtr<ID3D12Device> GetD3D12Device(WGPUDevice device) {
Device* backendDevice = reinterpret_cast<Device*>(device);
return backendDevice->GetD3D12Device();
}
DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device, HWND window) {
Device* backendDevice = reinterpret_cast<Device*>(device);
DawnSwapChainImplementation impl;
impl = CreateSwapChainImplementation(new NativeSwapChainImpl(backendDevice, window));
impl.textureUsage = WGPUTextureUsage_Present;
return impl;
}
WGPUTextureFormat GetNativeSwapChainPreferredFormat(
const DawnSwapChainImplementation* swapChain) {
NativeSwapChainImpl* impl = reinterpret_cast<NativeSwapChainImpl*>(swapChain->userData);
return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat());
}
ExternalImageDescriptorDXGISharedHandle::ExternalImageDescriptorDXGISharedHandle()
: ExternalImageDescriptor(ExternalImageDescriptorType::DXGISharedHandle) {
}
uint64_t SetExternalMemoryReservation(WGPUDevice device, uint64_t requestedReservationSize) {
Device* backendDevice = reinterpret_cast<Device*>(device);
return backendDevice->GetResidencyManager()->SetExternalMemoryReservation(
requestedReservationSize);
}
WGPUTexture WrapSharedHandle(WGPUDevice device,
const ExternalImageDescriptorDXGISharedHandle* descriptor) {
Device* backendDevice = reinterpret_cast<Device*>(device);
TextureBase* texture = backendDevice->WrapSharedHandle(descriptor, descriptor->sharedHandle,
descriptor->acquireMutexKey);
return reinterpret_cast<WGPUTexture>(texture);
}
}} // namespace dawn_native::d3d12