1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "SwapChain.h"
7 #include "Texture.h"
8 #include "mozilla/dom/WebGPUBinding.h"
9 #include "ipc/WebGPUChild.h"
10
11 namespace mozilla {
12 namespace webgpu {
13
GPU_IMPL_CYCLE_COLLECTION(SwapChain,mParent,mTexture)14 GPU_IMPL_CYCLE_COLLECTION(SwapChain, mParent, mTexture)
15 GPU_IMPL_JS_WRAP(SwapChain)
16
17 SwapChain::SwapChain(const dom::GPUSwapChainDescriptor& aDesc,
18 const dom::GPUExtent3DDict& aExtent3D,
19 wr::ExternalImageId aExternalImageId,
20 gfx::SurfaceFormat aFormat)
21 : ChildOf(aDesc.mDevice),
22 mGfxFormat(aFormat),
23 mFormat(static_cast<uint8_t>(aDesc.mFormat)),
24 mUsage(aDesc.mUsage),
25 mSize(aExtent3D.mWidth, aExtent3D.mHeight),
26 mTexture(aDesc.mDevice->InitSwapChain(aDesc, aExtent3D, aExternalImageId,
27 aFormat)) {}
28
~SwapChain()29 SwapChain::~SwapChain() { Cleanup(); }
30
Cleanup()31 void SwapChain::Cleanup() {
32 if (mValid) {
33 mValid = false;
34 }
35 }
36
GetParent() const37 RefPtr<Device> SwapChain::GetParent() const { return mParent; }
38
Destroy(wr::ExternalImageId aExternalImageId)39 void SwapChain::Destroy(wr::ExternalImageId aExternalImageId) {
40 if (mValid && mParent && mParent->GetBridge()) {
41 mValid = false;
42 auto bridge = mParent->GetBridge();
43 if (bridge && bridge->IsOpen()) {
44 bridge->SendSwapChainDestroy(aExternalImageId);
45 }
46 }
47 }
48
GetCurrentTexture()49 RefPtr<Texture> SwapChain::GetCurrentTexture() { return mTexture; }
50
51 } // namespace webgpu
52 } // namespace mozilla
53