gecko-dev/dom/canvas/XRWebGLLayer.h

90 строки
2.8 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/. */
#ifndef mozilla_dom_XRWebGLLayer_h_
#define mozilla_dom_XRWebGLLayer_h_
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/WebXRBinding.h"
#include "mozilla/dom/XRSession.h"
#include "nsICanvasRenderingContextInternal.h"
#include "WebGLTypes.h"
#include "gfxVR.h"
namespace mozilla {
class WebGLFramebufferJS;
class ClientWebGLContext;
namespace dom {
class XRSession;
class XRView;
class XRViewport;
class WebGLRenderingContextOrWebGL2RenderingContext;
struct XRWebGLLayerInit;
class XRWebGLLayer final : public nsWrapperCache {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRWebGLLayer)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(XRWebGLLayer)
explicit XRWebGLLayer(
nsISupports* aParent, XRSession& aSession, bool aIgnoreDepthValues,
double aFramebufferScaleFactor,
RefPtr<mozilla::ClientWebGLContext> aWebGLContext,
RefPtr<WebGLFramebufferJS> aFramebuffer,
const Maybe<const webgl::OpaqueFramebufferOptions>& aOptions);
// WebIDL Boilerplate
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
nsISupports* GetParentObject() const;
// WebIDL Members
static already_AddRefed<XRWebGLLayer> Constructor(
const GlobalObject& aGlobal, XRSession& aSession,
const WebGLRenderingContextOrWebGL2RenderingContext& aXRWebGLContext,
const XRWebGLLayerInit& aXRWebGLLayerInitDict, ErrorResult& aRv);
bool Depth();
bool Stencil();
bool Alpha();
bool Antialias();
bool IgnoreDepthValues();
WebGLFramebufferJS* GetFramebuffer();
uint32_t FramebufferWidth();
uint32_t FramebufferHeight();
already_AddRefed<XRViewport> GetViewport(const XRView& aView);
static double GetNativeFramebufferScaleFactor(const GlobalObject& aGlobal,
const XRSession& aSession);
// Non-WebIDL Members
void StartAnimationFrame();
void EndAnimationFrame();
HTMLCanvasElement* GetCanvas();
void SessionEnded();
private:
void DeleteFramebuffer();
virtual ~XRWebGLLayer();
nsCOMPtr<nsISupports> mParent;
public:
RefPtr<XRSession> mSession;
RefPtr<mozilla::ClientWebGLContext> mWebGL;
double mFramebufferScaleFactor;
bool mCompositionDisabled;
private:
bool mIgnoreDepthValues;
RefPtr<WebGLFramebufferJS> mFramebuffer;
RefPtr<XRViewport> mLeftViewport;
RefPtr<XRViewport> mRightViewport;
Maybe<const webgl::OpaqueFramebufferOptions> mFramebufferOptions;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_XRWebGLLayer_h_