blob: 020d6253a50f03d50e0df783af66a73510d071de [file] [log] [blame]
// Copyright 2023 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/d3d11/SwapChainD3D11.h"
#if defined(DAWN_USE_WINDOWS_UI)
#include <windows.ui.xaml.media.dxinterop.h>
#endif // defined(DAWN_USE_WINDOWS_UI)
#include <utility>
#include "dawn/native/Surface.h"
#include "dawn/native/d3d/D3DError.h"
#include "dawn/native/d3d/UtilsD3D.h"
#include "dawn/native/d3d11/DeviceD3D11.h"
#include "dawn/native/d3d11/TextureD3D11.h"
namespace dawn::native::d3d11 {
// static
ResultOrError<Ref<SwapChain>> SwapChain::Create(Device* device,
Surface* surface,
SwapChainBase* previousSwapChain,
const SwapChainDescriptor* descriptor) {
Ref<SwapChain> swapchain = AcquireRef(new SwapChain(device, surface, descriptor));
DAWN_TRY(swapchain->Initialize(previousSwapChain));
return swapchain;
}
SwapChain::~SwapChain() = default;
IUnknown* SwapChain::GetD3DDeviceForCreatingSwapChain() {
return ToBackend(GetDevice())->GetD3D11Device();
}
void SwapChain::ReuseBuffers(SwapChainBase* previousSwapChain) {
SwapChain* previousD3DSwapChain = ToBackend(previousSwapChain);
mBuffer = std::move(previousD3DSwapChain->mBuffer);
}
MaybeError SwapChain::CollectSwapChainBuffers() {
DAWN_ASSERT(GetDXGISwapChain() != nullptr);
DAWN_ASSERT(!mBuffer);
// https://learn.microsoft.com/en-us/windows/win32/api/dxgi/ne-dxgi-dxgi_swap_effect
// DXGISwapChain is created with DXGI_SWAP_EFFECT_FLIP_DISCARD, we can read and write to the
// buffer 0 only for D3D11.
DAWN_TRY(CheckHRESULT(GetDXGISwapChain()->GetBuffer(0, IID_PPV_ARGS(&mBuffer)),
"Getting IDXGISwapChain buffer"));
return {};
}
MaybeError SwapChain::PresentImpl() {
DAWN_TRY(PresentDXGISwapChain());
mApiTexture->APIDestroy();
mApiTexture = nullptr;
return {};
}
ResultOrError<Ref<TextureBase>> SwapChain::GetCurrentTextureImpl() {
// Create the API side objects for this use of the swapchain's buffer.
TextureDescriptor descriptor = GetSwapChainBaseTextureDescriptor(this);
DAWN_TRY_ASSIGN(mApiTexture, Texture::Create(ToBackend(GetDevice()), &descriptor, mBuffer));
return mApiTexture;
}
MaybeError SwapChain::DetachAndWaitForDeallocation() {
DetachFromSurface();
return {};
}
void SwapChain::DetachFromSurfaceImpl() {
if (mApiTexture != nullptr) {
mApiTexture->APIDestroy();
mApiTexture = nullptr;
}
mBuffer = nullptr;
ReleaseDXGISwapChain();
}
} // namespace dawn::native::d3d11