66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
// Copyright 2017 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.
|
|
|
|
#include "dawn_native/d3d12/SwapChainD3D12.h"
|
|
|
|
#include "dawn_native/d3d12/DeviceD3D12.h"
|
|
#include "dawn_native/d3d12/TextureD3D12.h"
|
|
|
|
#include <dawn/dawn_wsi.h>
|
|
|
|
namespace dawn_native { namespace d3d12 {
|
|
|
|
SwapChain::SwapChain(Device* device, const SwapChainDescriptor* descriptor)
|
|
: SwapChainBase(device, descriptor) {
|
|
const auto& im = GetImplementation();
|
|
DawnWSIContextD3D12 wsiContext = {};
|
|
wsiContext.device = reinterpret_cast<WGPUDevice>(GetDevice());
|
|
im.Init(im.userData, &wsiContext);
|
|
|
|
ASSERT(im.textureUsage != WGPUTextureUsage_None);
|
|
mTextureUsage = static_cast<wgpu::TextureUsage>(im.textureUsage);
|
|
}
|
|
|
|
SwapChain::~SwapChain() {
|
|
}
|
|
|
|
TextureBase* SwapChain::GetNextTextureImpl(const TextureDescriptor* descriptor) {
|
|
const auto& im = GetImplementation();
|
|
DawnSwapChainNextTexture next = {};
|
|
DawnSwapChainError error = im.GetNextTexture(im.userData, &next);
|
|
if (error) {
|
|
GetDevice()->HandleError(wgpu::ErrorType::Unknown, error);
|
|
return nullptr;
|
|
}
|
|
|
|
ComPtr<ID3D12Resource> d3d12Texture = static_cast<ID3D12Resource*>(next.texture.ptr);
|
|
return new Texture(ToBackend(GetDevice()), descriptor, std::move(d3d12Texture));
|
|
}
|
|
|
|
MaybeError SwapChain::OnBeforePresent(TextureBase* texture) {
|
|
Device* device = ToBackend(GetDevice());
|
|
|
|
CommandRecordingContext* commandContext;
|
|
DAWN_TRY_ASSIGN(commandContext, device->GetPendingCommandContext());
|
|
|
|
// Perform the necessary transition for the texture to be presented.
|
|
ToBackend(texture)->TransitionUsageNow(commandContext, mTextureUsage);
|
|
|
|
DAWN_TRY(device->ExecutePendingCommandContext());
|
|
|
|
return {};
|
|
}
|
|
|
|
}} // namespace dawn_native::d3d12
|