forked from mirrors/gecko-dev
112 lines
3.1 KiB
C++
112 lines
3.1 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 "WebRenderCanvasRenderer.h"
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#include "GLContext.h"
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#include "GLScreenBuffer.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "SharedSurfaceGL.h"
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#include "WebRenderBridgeChild.h"
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#include "WebRenderLayerManager.h"
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namespace mozilla {
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namespace layers {
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CompositableForwarder*
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WebRenderCanvasRenderer::GetForwarder()
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{
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return mManager->WrBridge();
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}
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void
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WebRenderCanvasRenderer::Initialize(const CanvasInitializeData& aData)
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{
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ShareableCanvasRenderer::Initialize(aData);
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}
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WebRenderCanvasRendererAsync::~WebRenderCanvasRendererAsync()
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{
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Destroy();
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}
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void
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WebRenderCanvasRendererAsync::Initialize(const CanvasInitializeData& aData)
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{
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WebRenderCanvasRenderer::Initialize(aData);
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if (mPipelineId.isSome()) {
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mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
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mPipelineId.reset();
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}
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}
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bool
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WebRenderCanvasRendererAsync::CreateCompositable()
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{
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if (!mCanvasClient) {
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TextureFlags flags = TextureFlags::DEFAULT;
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if (mOriginPos == gl::OriginPos::BottomLeft) {
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flags |= TextureFlags::ORIGIN_BOTTOM_LEFT;
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}
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if (!mIsAlphaPremultiplied) {
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flags |= TextureFlags::NON_PREMULTIPLIED;
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}
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mCanvasClient = CanvasClient::CreateCanvasClient(GetCanvasClientType(),
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GetForwarder(),
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flags);
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if (!mCanvasClient) {
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return false;
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}
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mCanvasClient->Connect();
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}
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if (!mPipelineId) {
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// Alloc async image pipeline id.
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mPipelineId = Some(mManager->WrBridge()->GetCompositorBridgeChild()->GetNextPipelineId());
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mManager->WrBridge()->AddPipelineIdForCompositable(mPipelineId.ref(),
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mCanvasClient->GetIPCHandle());
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}
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return true;
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}
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void
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WebRenderCanvasRendererAsync::ClearCachedResources()
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{
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if (mPipelineId.isSome()) {
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mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
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mPipelineId.reset();
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}
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}
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void
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WebRenderCanvasRendererAsync::Destroy()
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{
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if (mPipelineId.isSome()) {
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mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
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mPipelineId.reset();
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}
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}
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void
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WebRenderCanvasRendererAsync::UpdateCompositableClientForEmptyTransaction()
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{
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UpdateCompositableClient();
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if (mPipelineId.isSome()) {
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// Notify an update of async image pipeline during empty transaction.
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// During non empty transaction, WebRenderBridgeParent receives OpUpdateAsyncImagePipeline message,
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// but during empty transaction, the message is not sent to WebRenderBridgeParent.
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// Then OpUpdatedAsyncImagePipeline is used to notify the update.
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mManager->WrBridge()->AddWebRenderParentCommand(OpUpdatedAsyncImagePipeline(mPipelineId.ref()));
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}
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}
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} // namespace layers
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} // namespace mozilla
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