зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.4 KiB
C++
82 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TextureRecorded.h"
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#include "RecordedCanvasEventImpl.h"
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namespace mozilla {
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namespace layers {
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RecordedTextureData::RecordedTextureData(
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already_AddRefed<CanvasChild> aCanvasChild, gfx::IntSize aSize,
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gfx::SurfaceFormat aFormat, TextureType aTextureType)
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: mCanvasChild(aCanvasChild), mSize(aSize), mFormat(aFormat) {
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mCanvasChild->EnsureRecorder(aTextureType);
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}
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RecordedTextureData::~RecordedTextureData() = default;
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void RecordedTextureData::FillInfo(TextureData::Info& aInfo) const {
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aInfo.size = mSize;
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aInfo.format = mFormat;
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aInfo.supportsMoz2D = true;
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aInfo.hasIntermediateBuffer = false;
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aInfo.hasSynchronization = true;
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}
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bool RecordedTextureData::Lock(OpenMode aMode) {
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mCanvasChild->EnsureBeginTransaction();
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if (!mDT) {
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mDT = mCanvasChild->CreateDrawTarget(mSize, mFormat);
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// We lock the TextureData when we create it to get the remote DrawTarget.
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mCanvasChild->OnTextureWriteLock();
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return true;
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}
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mCanvasChild->RecordEvent(RecordedTextureLock(mDT.get(), aMode));
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if (aMode & OpenMode::OPEN_WRITE) {
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mCanvasChild->OnTextureWriteLock();
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mSnapshot = nullptr;
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}
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return true;
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}
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void RecordedTextureData::Unlock() {
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mCanvasChild->RecordEvent(RecordedTextureUnlock(mDT.get()));
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}
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already_AddRefed<gfx::DrawTarget> RecordedTextureData::BorrowDrawTarget() {
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return do_AddRef(mDT);
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}
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already_AddRefed<gfx::SourceSurface> RecordedTextureData::BorrowSnapshot() {
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MOZ_ASSERT(mDT);
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mSnapshot = mDT->Snapshot();
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return mCanvasChild->WrapSurface(mSnapshot);
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}
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void RecordedTextureData::Deallocate(LayersIPCChannel* aAllocator) {}
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bool RecordedTextureData::Serialize(SurfaceDescriptor& aDescriptor) {
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SurfaceDescriptorRecorded descriptor;
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descriptor.drawTarget() = reinterpret_cast<uintptr_t>(mDT.get());
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aDescriptor = std::move(descriptor);
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return true;
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}
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void RecordedTextureData::OnForwardedToHost() {
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mCanvasChild->OnTextureForwarded();
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if (mSnapshot && mCanvasChild->ShouldCacheDataSurface()) {
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mCanvasChild->RecordEvent(RecordedCacheDataSurface(mSnapshot.get()));
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}
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}
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} // namespace layers
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} // namespace mozilla
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