76b360ac16
* Majorly simplity CanvasRenderer * Replace GLScreenBuffer with trivial GLSwapChain * Use descriptor structs so that future SharedSurface changes aren't so painful to propagate * Mortgage/strip out more OffscreenCanvas code for now Differential Revision: https://phabricator.services.mozilla.com/D75055
82 lines
2.6 KiB
C++
82 lines
2.6 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 "RenderRootStateManager.h"
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namespace mozilla {
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namespace layers {
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CompositableForwarder* WebRenderCanvasRenderer::GetForwarder() {
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return mManager->WrBridge();
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}
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WebRenderCanvasRendererAsync::~WebRenderCanvasRendererAsync() {
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if (mPipelineId.isSome()) {
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mManager->RemovePipelineIdForCompositable(mPipelineId.ref());
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mPipelineId.reset();
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}
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}
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void WebRenderCanvasRendererAsync::Initialize(const CanvasRendererData& aData) {
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WebRenderCanvasRenderer::Initialize(aData);
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ClearCachedResources();
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}
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bool WebRenderCanvasRendererAsync::CreateCompositable() {
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if (!mCanvasClient) {
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auto compositableFlags = TextureFlags::NO_FLAGS;
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if (!mData.mIsAlphaPremult) {
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// WR needs this flag marked on the compositable, not just the texture.
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compositableFlags |= TextureFlags::NON_PREMULTIPLIED;
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}
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mCanvasClient = new CanvasClient(GetForwarder(), compositableFlags);
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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(
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mManager->WrBridge()->GetCompositorBridgeChild()->GetNextPipelineId());
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mManager->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 WebRenderCanvasRendererAsync::ClearCachedResources() {
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if (mPipelineId.isSome()) {
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mManager->RemovePipelineIdForCompositable(mPipelineId.ref());
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mPipelineId.reset();
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}
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}
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void WebRenderCanvasRendererAsync::
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UpdateCompositableClientForEmptyTransaction() {
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bool wasDirty = IsDirty();
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UpdateCompositableClient();
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if (wasDirty && 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
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// OpUpdateAsyncImagePipeline message, but during empty transaction, the
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// message is not sent to WebRenderBridgeParent. Then
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// OpUpdatedAsyncImagePipeline is used to notify the update.
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mManager->AddWebRenderParentCommand(
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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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