зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.6 KiB
C
98 строки
2.6 KiB
C
|
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
||
|
|
* 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_CARDBOARD_H
|
||
|
|
#define GFX_VR_CARDBOARD_H
|
||
|
|
|
||
|
|
#include "mozilla/gfx/2D.h"
|
||
|
|
#include "mozilla/gfx/Quaternion.h"
|
||
|
|
#include "mozilla/EnumeratedArray.h"
|
||
|
|
#include "mozilla/HalSensor.h"
|
||
|
|
#include "mozilla/HalScreenConfiguration.h"
|
||
|
|
|
||
|
|
#include "gfxVR.h"
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
namespace gfx {
|
||
|
|
namespace impl {
|
||
|
|
|
||
|
|
class HMDInfoCardboard :
|
||
|
|
public VRHMDInfo,
|
||
|
|
public hal::ISensorObserver,
|
||
|
|
public hal::ScreenConfigurationObserver
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
explicit HMDInfoCardboard();
|
||
|
|
|
||
|
|
bool SetFOV(const VRFieldOfView& aFOVLeft, const VRFieldOfView& aFOVRight,
|
||
|
|
double zNear, double zFar) override;
|
||
|
|
|
||
|
|
bool StartSensorTracking() override;
|
||
|
|
VRHMDSensorState GetSensorState(double timeOffset) override;
|
||
|
|
void StopSensorTracking() override;
|
||
|
|
void ZeroSensor() override;
|
||
|
|
|
||
|
|
void FillDistortionConstants(uint32_t whichEye,
|
||
|
|
const IntSize& textureSize, const IntRect& eyeViewport,
|
||
|
|
const Size& destViewport, const Rect& destRect,
|
||
|
|
VRDistortionConstants& values) override;
|
||
|
|
|
||
|
|
void Destroy();
|
||
|
|
|
||
|
|
// ISensorObserver interface
|
||
|
|
void Notify(const hal::SensorData& SensorData) override;
|
||
|
|
// ScreenConfigurationObserver interface
|
||
|
|
void Notify(const hal::ScreenConfiguration& ScreenConfiguration) override;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// must match the size of VRDistortionVertex
|
||
|
|
struct DistortionVertex {
|
||
|
|
float pos[2];
|
||
|
|
float texR[2];
|
||
|
|
float texG[2];
|
||
|
|
float texB[2];
|
||
|
|
float padding[4];
|
||
|
|
};
|
||
|
|
|
||
|
|
virtual ~HMDInfoCardboard() {
|
||
|
|
Destroy();
|
||
|
|
}
|
||
|
|
|
||
|
|
void ComputeStateFromLastSensor();
|
||
|
|
|
||
|
|
uint32_t mStartCount;
|
||
|
|
VRHMDSensorState mLastSensorState;
|
||
|
|
uint32_t mOrient;
|
||
|
|
Quaternion mScreenTransform;
|
||
|
|
Quaternion mSensorZeroInverse;
|
||
|
|
|
||
|
|
Quaternion mSavedLastSensor;
|
||
|
|
double mSavedLastSensorTime;
|
||
|
|
bool mNeedsSensorCompute; // if we need to compute the state from mSavedLastSensor
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace impl
|
||
|
|
|
||
|
|
class VRHMDManagerCardboard : public VRHMDManager
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
VRHMDManagerCardboard()
|
||
|
|
: mCardboardInitialized(false)
|
||
|
|
{ }
|
||
|
|
|
||
|
|
virtual bool PlatformInit() override;
|
||
|
|
virtual bool Init() override;
|
||
|
|
virtual void Destroy() override;
|
||
|
|
virtual void GetHMDs(nsTArray<nsRefPtr<VRHMDInfo> >& aHMDResult) override;
|
||
|
|
protected:
|
||
|
|
nsTArray<nsRefPtr<impl::HMDInfoCardboard>> mCardboardHMDs;
|
||
|
|
bool mCardboardInitialized;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace gfx
|
||
|
|
} // namespace mozilla
|
||
|
|
|
||
|
|
#endif /* GFX_VR_CARDBOARD_H */
|