зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.2 KiB
C++
79 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "WebRenderCompositableHolder.h"
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#include "CompositableHost.h"
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#include "mozilla/layers/WebRenderImageHost.h"
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#include "mozilla/layers/WebRenderTextureHost.h"
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namespace mozilla {
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using namespace gfx;
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namespace layers {
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WebRenderCompositableHolder::WebRenderCompositableHolder()
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{
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MOZ_COUNT_CTOR(WebRenderCompositableHolder);
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}
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WebRenderCompositableHolder::~WebRenderCompositableHolder()
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{
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MOZ_COUNT_DTOR(WebRenderCompositableHolder);
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MOZ_ASSERT(mPipelineTexturesHolders.IsEmpty());
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}
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void
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WebRenderCompositableHolder::AddPipeline(const wr::PipelineId& aPipelineId)
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{
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uint64_t id = wr::AsUint64(aPipelineId);
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MOZ_ASSERT(!mPipelineTexturesHolders.Get(id));
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PipelineTexturesHolder* holder = new PipelineTexturesHolder();
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mPipelineTexturesHolders.Put(id, holder);
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}
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void
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WebRenderCompositableHolder::RemovePipeline(const wr::PipelineId& aPipelineId)
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{
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uint64_t id = wr::AsUint64(aPipelineId);
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if (mPipelineTexturesHolders.Get(id)) {
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mPipelineTexturesHolders.Remove(id);
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}
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}
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void
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WebRenderCompositableHolder::HoldExternalImage(const wr::PipelineId& aPipelineId, const wr::Epoch& aEpoch, WebRenderTextureHost* aTexture)
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{
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MOZ_ASSERT(aTexture);
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PipelineTexturesHolder* holder = mPipelineTexturesHolders.Get(wr::AsUint64(aPipelineId));
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MOZ_ASSERT(holder);
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if (!holder) {
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return;
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}
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// Hold WebRenderTextureHost until end of its usage on RenderThread
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holder->mTextureHosts.push(ForwardingTextureHost(aEpoch, aTexture));
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}
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void
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WebRenderCompositableHolder::Update(const wr::PipelineId& aPipelineId, const wr::Epoch& aEpoch)
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{
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PipelineTexturesHolder* holder = mPipelineTexturesHolders.Get(wr::AsUint64(aPipelineId));
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if (!holder || holder->mTextureHosts.empty()) {
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return;
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}
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while (!holder->mTextureHosts.empty()) {
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if (aEpoch <= holder->mTextureHosts.front().mEpoch) {
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break;
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}
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holder->mTextureHosts.pop();
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}
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}
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} // namespace layers
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} // namespace mozilla
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