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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/vr/service/VRSession.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gfx/vr/service/VRSession.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gfx/vr/service/VRSession.h b/gfx/vr/service/VRSession.h new file mode 100644 index 0000000000..ab446a26d7 --- /dev/null +++ b/gfx/vr/service/VRSession.h @@ -0,0 +1,94 @@ +/* -*- 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_SERVICE_VRSESSION_H +#define GFX_VR_SERVICE_VRSESSION_H + +#include "moz_external_vr.h" + +#if defined(XP_WIN) +# include <d3d11_1.h> +#elif defined(XP_MACOSX) +class MacIOSurface; +#endif + +namespace mozilla { +namespace gfx { + +class VRSession { + public: + VRSession(); + + // Since this class doesn't use smartpointers for its refcounted + // members (so that it can compile outside of mozilla-central), + // prevent copying the addresses without increasing the refcount. + VRSession(const VRSession&) = delete; + VRSession& operator=(const VRSession&) = delete; + +#ifdef XP_WIN + virtual ~VRSession(); +#else + virtual ~VRSession() = default; +#endif + + static void UpdateTrigger(VRControllerState& aState, uint32_t aButtonIndex, + float aValue, float aThreshold); + /** + * In order to support WebXR's navigator.xr.IsSessionSupported call without + * displaying any permission dialogue, it is necessary to have a safe way to + * detect the capability of running a VR or AR session without activating XR + * runtimes or powering on hardware. + * + * API's such as OpenVR make no guarantee that hardware and software won't be + * left activated after enumerating devices, so each backend in gfx/vr/service + * must allow for more granular detection of capabilities. + * + * By passing true to bDetectRuntimesOnly, the initialization exits early + * after reporting the presence of XR runtime software. The Initialize method + * will only enumerate hardware and possibly return true when + * aDetectRuntimesOnly is false. + */ + virtual bool Initialize(mozilla::gfx::VRSystemState& aSystemState, + bool aDetectRuntimesOnly) = 0; + virtual void Shutdown() = 0; + virtual void ProcessEvents(mozilla::gfx::VRSystemState& aSystemState) = 0; + virtual void StartFrame(mozilla::gfx::VRSystemState& aSystemState) = 0; + virtual bool StartPresentation() = 0; + virtual void StopPresentation() = 0; + virtual void VibrateHaptic(uint32_t aControllerIdx, uint32_t aHapticIndex, + float aIntensity, float aDuration) = 0; + virtual void StopVibrateHaptic(uint32_t aControllerIdx) = 0; + virtual void StopAllHaptics() = 0; + bool SubmitFrame(const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer); + bool ShouldQuit() const; + + protected: + bool mShouldQuit; +#if defined(XP_WIN) + virtual bool SubmitFrame(const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer, + ID3D11Texture2D* aTexture) = 0; + bool CreateD3DContext(ID3D11Device* aDevice); + + ID3D11Device1* GetD3DDevice(); + ID3D11DeviceContext1* GetD3DDeviceContext(); + ID3DDeviceContextState* GetD3DDeviceContextState(); + + ID3D11Device1* mDevice; + ID3D11DeviceContext1* mContext; + ID3DDeviceContextState* mDeviceContextState; + +#elif defined(XP_MACOSX) + virtual bool SubmitFrame(const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer, + const VRLayerTextureHandle& aTexture) = 0; +#endif + void SetControllerSelectionAndSqueezeFrameId( + VRControllerState& controllerState, uint64_t aFrameId); +}; + +} // namespace gfx +} // namespace mozilla + +#endif // GFX_VR_SERVICE_VRSESSION_H |