зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.3 KiB
C++
122 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#ifndef GFX_VR_OSVR_H
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#define GFX_VR_OSVR_H
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#include "nsTArray.h"
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#include "mozilla/RefPtr.h"
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#include "nsThreadUtils.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/EnumeratedArray.h"
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#include "gfxVR.h"
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#include <osvr/ClientKit/ClientKitC.h>
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#include <osvr/ClientKit/DisplayC.h>
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namespace mozilla {
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namespace gfx {
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namespace impl {
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class HMDInfoOSVR : public VRHMDInfo, public VRHMDRenderingSupport
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{
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public:
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explicit HMDInfoOSVR(OSVR_ClientContext* context, OSVR_ClientInterface* iface,
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OSVR_DisplayConfig* display);
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bool SetFOV(const VRFieldOfView& aFOVLeft, const VRFieldOfView& aFOVRight,
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double zNear, double zFar) override;
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VRHMDSensorState GetSensorState() override;
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VRHMDSensorState GetImmediateSensorState() override;
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bool KeepSensorTracking() override;
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void ZeroSensor() override;
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void NotifyVsync(const TimeStamp& aVsyncTimestamp) override;
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void FillDistortionConstants(uint32_t whichEye, const IntSize& textureSize,
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const IntRect& eyeViewport,
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const Size& destViewport, const Rect& destRect,
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VRDistortionConstants& values) override;
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VRHMDRenderingSupport* GetRenderingSupport() override { return this; }
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void Destroy();
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/* VRHMDRenderingSupport */
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already_AddRefed<RenderTargetSet> CreateRenderTargetSet(
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layers::Compositor* aCompositor, const IntSize& aSize) override;
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void DestroyRenderTargetSet(RenderTargetSet* aRTSet) override;
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void SubmitFrame(RenderTargetSet* aRTSet, int32_t aInputFrameID) override;
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protected:
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virtual ~HMDInfoOSVR()
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{
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Destroy();
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MOZ_COUNT_DTOR_INHERITED(HMDInfoOSVR, VRHMDInfo);
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}
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// must match the size of VRDistortionVertex
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struct DistortionVertex
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{
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float pos[2];
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float texR[2];
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float texG[2];
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float texB[2];
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float genericAttribs[4];
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};
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OSVR_ClientContext* m_ctx;
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OSVR_ClientInterface* m_iface;
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OSVR_DisplayConfig* m_display;
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};
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} // namespace impl
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class VRHMDManagerOSVR : public VRHMDManager
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{
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public:
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static already_AddRefed<VRHMDManagerOSVR> Create();
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virtual bool Init() override;
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virtual void Destroy() override;
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virtual void GetHMDs(nsTArray<RefPtr<VRHMDInfo>>& aHMDResult) override;
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protected:
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VRHMDManagerOSVR()
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: mOSVRInitialized(false)
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, mClientContextInitialized(false)
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, mDisplayConfigInitialized(false)
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, mInterfaceInitialized(false)
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, m_ctx(nullptr)
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, m_iface(nullptr)
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, m_display(nullptr)
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{
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}
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RefPtr<impl::HMDInfoOSVR> mHMDInfo;
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bool mOSVRInitialized;
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bool mClientContextInitialized;
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bool mDisplayConfigInitialized;
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bool mInterfaceInitialized;
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RefPtr<nsIThread> mOSVRThread;
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OSVR_ClientContext m_ctx;
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OSVR_ClientInterface m_iface;
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OSVR_DisplayConfig m_display;
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private:
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// check if all components are initialized
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// and if not, it will try to initialize them
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void CheckOSVRStatus();
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void InitializeClientContext();
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void InitializeDisplay();
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void InitializeInterface();
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* GFX_VR_OSVR_H */ |