fune/gfx/layers/wr/WebRenderCanvasRenderer.cpp

99 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebRenderCanvasRenderer.h"
#include "GLContext.h"
#include "GLScreenBuffer.h"
#include "mozilla/layers/CompositorBridgeChild.h"
#include "SharedSurfaceGL.h"
#include "WebRenderBridgeChild.h"
#include "WebRenderLayerManager.h"
namespace mozilla {
namespace layers {
CompositableForwarder*
WebRenderCanvasRenderer::GetForwarder()
{
return mManager->WrBridge();
}
void
WebRenderCanvasRenderer::Initialize(const CanvasInitializeData& aData)
{
ShareableCanvasRenderer::Initialize(aData);
}
WebRenderCanvasRendererAsync::~WebRenderCanvasRendererAsync()
{
Destroy();
}
void
WebRenderCanvasRendererAsync::Initialize(const CanvasInitializeData& aData)
{
WebRenderCanvasRenderer::Initialize(aData);
if (mPipelineId.isSome()) {
mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
mPipelineId.reset();
}
}
bool
WebRenderCanvasRendererAsync::CreateCompositable()
{
if (!mCanvasClient) {
TextureFlags flags = TextureFlags::DEFAULT;
if (mOriginPos == gl::OriginPos::BottomLeft) {
flags |= TextureFlags::ORIGIN_BOTTOM_LEFT;
}
if (!mIsAlphaPremultiplied) {
flags |= TextureFlags::NON_PREMULTIPLIED;
}
mCanvasClient = CanvasClient::CreateCanvasClient(GetCanvasClientType(),
GetForwarder(),
flags);
if (!mCanvasClient) {
return false;
}
mCanvasClient->Connect();
}
if (!mPipelineId) {
// Alloc async image pipeline id.
mPipelineId = Some(mManager->WrBridge()->GetCompositorBridgeChild()->GetNextPipelineId());
mManager->WrBridge()->AddPipelineIdForCompositable(mPipelineId.ref(),
mCanvasClient->GetIPCHandle());
}
return true;
}
void
WebRenderCanvasRendererAsync::ClearCachedResources()
{
if (mPipelineId.isSome()) {
mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
mPipelineId.reset();
}
}
void
WebRenderCanvasRendererAsync::Destroy()
{
if (mPipelineId.isSome()) {
mManager->WrBridge()->RemovePipelineIdForCompositable(mPipelineId.ref());
mPipelineId.reset();
}
}
} // namespace layers
} // namespace mozilla