/* -*- 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/. */
#ifndef GFX_VR_LAYERCHILD_H
#define GFX_VR_LAYERCHILD_H
#include "VRManagerChild.h"
#include "mozilla/RefPtr.h"
#include "mozilla/gfx/PVRLayerChild.h"
#include "gfxVR.h"
class nsICanvasRenderingContextInternal;
namespace mozilla {
class WebGLContext;
class WebGLFramebufferJS;
namespace dom {
class HTMLCanvasElement;
}
namespace layers {
class SharedSurfaceTextureClient;
}
namespace gl {
class SurfaceFactory;
}
namespace gfx {
class VRLayerChild :
public PVRLayerChild {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRLayerChild)
public:
static PVRLayerChild* CreateIPDLActor();
static bool DestroyIPDLActor(PVRLayerChild* actor);
void Initialize(dom::HTMLCanvasElement* aCanvasElement,
const gfx::Rect& aLeftEyeRect,
const gfx::Rect& aRightEyeRect);
void SetXRFramebuffer(WebGLFramebufferJS*);
void SubmitFrame(
const VRDisplayInfo& aDisplayInfo);
bool IsIPCOpen();
private:
VRLayerChild();
virtual ~VRLayerChild();
void ClearSurfaces();
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
RefPtr<dom::HTMLCanvasElement> mCanvasElement;
bool mIPCOpen =
false;
// AddIPDLReference and ReleaseIPDLReference are only to be called by
// CreateIPDLActor and DestroyIPDLActor, respectively. We intentionally make
// them private to prevent misuse. The purpose of these methods is to be aware
// of when the IPC system around this actor goes down: mIPCOpen is then set to
// false.
void AddIPDLReference();
void ReleaseIPDLReference();
gfx::Rect mLeftEyeRect;
gfx::Rect mRightEyeRect;
RefPtr<WebGLFramebufferJS> mFramebuffer;
Maybe<layers::SurfaceDescriptor> mThisFrameTextureDesc;
Maybe<layers::SurfaceDescriptor> mLastFrameTextureDesc;
uint64_t mLastSubmittedFrameId = 0;
};
}
// namespace gfx
}
// namespace mozilla
#endif
