gecko-dev/gfx/ipc/CompositorSession.cpp

123 lines
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=99: */
/* 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 "CompositorSession.h"
#include "mozilla/layers/CompositorBridgeChild.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "base/process_util.h"
namespace mozilla {
namespace layers {
class InProcessCompositorSession final : public CompositorSession
{
public:
InProcessCompositorSession(
widget::CompositorWidgetProxy* aWidgetProxy,
ClientLayerManager* aLayerManager,
CSSToLayoutDeviceScale aScale,
bool aUseAPZ,
bool aUseExternalSurfaceSize,
int aSurfaceWidth, int aSurfaceHeight);
CompositorBridgeParent* GetInProcessBridge() const override;
void SetContentController(GeckoContentController* aController) override;
uint64_t RootLayerTreeId() const override;
already_AddRefed<APZCTreeManager> GetAPZCTreeManager() const override;
void Shutdown() override;
private:
RefPtr<CompositorBridgeParent> mCompositorBridgeParent;
};
already_AddRefed<CompositorSession>
CompositorSession::CreateInProcess(widget::CompositorWidgetProxy* aWidgetProxy,
ClientLayerManager* aLayerManager,
CSSToLayoutDeviceScale aScale,
bool aUseAPZ,
bool aUseExternalSurfaceSize,
int aSurfaceWidth, int aSurfaceHeight)
{
RefPtr<InProcessCompositorSession> session = new InProcessCompositorSession(
aWidgetProxy,
aLayerManager,
aScale,
aUseAPZ,
aUseExternalSurfaceSize,
aSurfaceWidth, aSurfaceHeight);
return session.forget();
}
CompositorSession::CompositorSession()
{
}
CompositorSession::~CompositorSession()
{
}
CompositorBridgeChild*
CompositorSession::GetCompositorBridgeChild()
{
return mCompositorBridgeChild;
}
InProcessCompositorSession::InProcessCompositorSession(widget::CompositorWidgetProxy* aWidgetProxy,
ClientLayerManager* aLayerManager,
CSSToLayoutDeviceScale aScale,
bool aUseAPZ,
bool aUseExternalSurfaceSize,
int aSurfaceWidth, int aSurfaceHeight)
{
mCompositorBridgeParent = new CompositorBridgeParent(
aWidgetProxy,
aScale,
aUseAPZ,
aUseExternalSurfaceSize,
aSurfaceWidth,
aSurfaceHeight);
mCompositorBridgeChild = new CompositorBridgeChild(aLayerManager);
mCompositorBridgeChild->OpenSameProcess(mCompositorBridgeParent);
mCompositorBridgeParent->SetOtherProcessId(base::GetCurrentProcId());
}
CompositorBridgeParent*
InProcessCompositorSession::GetInProcessBridge() const
{
return mCompositorBridgeParent;
}
void
InProcessCompositorSession::SetContentController(GeckoContentController* aController)
{
mCompositorBridgeParent->SetControllerForLayerTree(RootLayerTreeId(), aController);
}
uint64_t
InProcessCompositorSession::RootLayerTreeId() const
{
return mCompositorBridgeParent->RootLayerTreeId();
}
already_AddRefed<APZCTreeManager>
InProcessCompositorSession::GetAPZCTreeManager() const
{
return mCompositorBridgeParent->GetAPZCTreeManager(RootLayerTreeId());
}
void
InProcessCompositorSession::Shutdown()
{
// XXX CompositorBridgeChild and CompositorBridgeParent might be re-created in
// ClientLayerManager destructor. See bug 1133426.
RefPtr<CompositorBridgeChild> compositorChild = mCompositorBridgeChild;
RefPtr<CompositorBridgeParent> compositorParent = mCompositorBridgeParent;
mCompositorBridgeChild->Destroy();
mCompositorBridgeChild = nullptr;
}
} // namespace layers
} // namespace mozilla