gecko-dev/dom/webgpu/SwapChain.cpp

53 строки
1.6 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"
#include "mozilla/dom/WebGPUBinding.h"
#include "ipc/WebGPUChild.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),
mGfxFormat(aFormat),
mFormat(static_cast<uint8_t>(aDesc.mFormat)),
mUsage(aDesc.mUsage),
mSize(aExtent3D.mWidth, aExtent3D.mHeight),
mTexture(aDesc.mDevice->InitSwapChain(aDesc, aExtent3D, aExternalImageId,
aFormat)) {}
SwapChain::~SwapChain() { Cleanup(); }
void SwapChain::Cleanup() {
if (mValid) {
mValid = false;
}
}
RefPtr<Device> SwapChain::GetParent() const { return mParent; }
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