зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
1.5 KiB
C++
50 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "SwapChain.h"
|
|
#include "Texture.h"
|
|
|
|
namespace mozilla {
|
|
namespace webgpu {
|
|
|
|
GPU_IMPL_CYCLE_COLLECTION(SwapChain, mParent, mTexture)
|
|
GPU_IMPL_JS_WRAP(SwapChain)
|
|
|
|
SwapChain::SwapChain(const dom::GPUSwapChainDescriptor& aDesc,
|
|
const dom::GPUExtent3DDict& aExtent3D,
|
|
wr::ExternalImageId aExternalImageId,
|
|
gfx::SurfaceFormat aFormat)
|
|
: ChildOf(aDesc.mDevice),
|
|
mFormat(aFormat),
|
|
mTexture(aDesc.mDevice->InitSwapChain(aDesc, aExtent3D, aExternalImageId,
|
|
aFormat)) {}
|
|
|
|
SwapChain::~SwapChain() { Cleanup(); }
|
|
|
|
void SwapChain::Cleanup() {
|
|
if (mValid) {
|
|
mValid = false;
|
|
}
|
|
}
|
|
|
|
WebGPUChild* SwapChain::GetGpuBridge() const {
|
|
return mParent ? mParent->GetBridge().get() : nullptr;
|
|
}
|
|
|
|
void SwapChain::Destroy(wr::ExternalImageId aExternalImageId) {
|
|
if (mValid && mParent && mParent->GetBridge()) {
|
|
mValid = false;
|
|
auto bridge = mParent->GetBridge();
|
|
if (bridge && bridge->IsOpen()) {
|
|
bridge->SendSwapChainDestroy(aExternalImageId);
|
|
}
|
|
}
|
|
}
|
|
|
|
RefPtr<Texture> SwapChain::GetCurrentTexture() { return mTexture; }
|
|
|
|
} // namespace webgpu
|
|
} // namespace mozilla
|