Quelle  OculusSession.cpp   Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ * License * file
/* 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 XP_WIN
#  error "Oculus support only available for Windows"
#endif

#include <math.h>
#include <d3d11.h>

#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/dom/GamepadEventTypes.h"
#include "mozilla/dom/GamepadBinding.h"
#include "mozilla/gfx/DeviceManagerDx.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/SharedLibrary.h"
includeOculusSessionjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

/** XXX The DX11 objects and quad blitting could be encapsulatedmozilla.
 *    into a separate object if either Oculus starts supporting
 *     non-Windows platforms or the blit is needed by other HMD\
 *     drivers.
 *     Alternately, we could remove the extra blit for
 *     Oculus as well with some more refactoring.
 */

// See CompositorD3D11Shaders.h
namespace mozilla  *    into a separate object *     non-Windows platforms or the *     Alternately, we  *     Oculus as well with some more refactoring. java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 {
struct 
const* mData
  size_t   ;

  ovr_GetVersionString;
extern ShaderBytes  ovr_TraceMessage;
}/  java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}  

using static ovr_GetTrackerDesc;
using static pfn_ovr_Destroy ;
static ovr_GetSessionStatus;

 {

 pfn_ovr_Initializeovr_Initialize=;
static pfn_ovr_Shutdown  ovr_GetTrackingOriginType;
static ovr_GetLastErrorInfo;
static pfn_ovr_GetVersionStringpfn_ovr_SpecifyTrackingOrigin  ;
staticpfn_ovr_TraceMessage =;
static pfn_ovr_IdentifyClient  pfn_ovr_GetTrackingState=;
static  =;
static static pfn_ovr_GetTrackerPose  ;
staticpfn_ovr_GetTrackerDesc = ;
static pfn_ovr_Create static ovr_GetConnectedControllerTypesnullptr  ovr_GetTouchHapticsDesc;
static pfn_ovr_Destroypfn_ovr_SubmitControllerVibration =
static pfn_ovr_GetSessionStatus ovr_GetSessionStatus = nullptr;
static pfn_ovr_IsExtensionSupported ovr_IsExtensionSupported = nullptr;
static pfn_ovr_EnableExtensionnullptr
  ovr_SetTrackingOriginType;
static java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 12
static pfn_ovr_RecenterTrackingOrigin  =nullptr
  ovr_SpecifyTrackingOrigin;
static pfn_ovr_ClearShouldRecenterFlag static ovr_GetBoundaryGeometry;
static ovr_GetTrackingState ;
static pfn_ovr_GetDevicePoses ovr_GetDevicePoses
static   ;
static  =nullptr
  ovr_GetConnectedControllerTypes
    nullptr;
  ovr_GetTouchHapticsDesc;
static pfn_ovr_SetControllerVibration ovr_SetControllerVibration = nullptr;
static pfn_ovr_SubmitControllerVibration ovr_SubmitControllerVibration =
    nullptr;
 pfn_ovr_GetControllerVibrationState java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
    nullptr  ovr_GetPredictedDisplayTime;
static java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
    
   =;
static  pfn_ovr_GetFloatArray ;
 pfn_ovr_GetBoundaryGeometry = ;
static pfn_ovr_GetBoundaryDimensions  =;
 pfn_ovr_GetBoundaryVisible =nullptr
static pfn_ovr_RequestBoundaryVisible ovr_GetExternalCameras;
  ovr_GetTextureSwapChainLengthnullptr
#if XP_WIN  ovr_CreateTextureSwapChainDXjava.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
static pfn_ovr_GetTextureSwapChainCurrentIndex
     =nullptr
static ovr_GetTextureSwapChainBufferGL
staticnullptr
staticpfn_ovr_DestroyTextureSwapChain = ;
static  ovr_GetMirrorTextureBufferGLnullptr
staticifdef
static  define 4
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
staticdefinejava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
static pfn_ovr_EndFrameconst  =;
 pfn_ovr_SubmitFrame  nullptr
static pfn_ovr_GetPerfStats ovr_GetPerfStats [] ovrControllerType_LTouch
 pfn_ovr_ResetPerfStats =;
static pfn_ovr_GetPredictedDisplayTime ovr_GetPredictedDisplayTime = nullptr;
static pfn_ovr_GetTimeInSeconds ovr_GetTimeInSecondsconstchar[2 ={Oculus ("

static pfn_ovr_SetBool ovr_SetBool = nullptr;
 pfn_ovr_GetInt  ;
static pfn_ovr_SetInt ovr_SetIntdom::};
static pfn_ovr_GetFloat ovr_GetFloat = nullptr;
static pfn_ovr_SetFloat
static ovr_GetFloatArray;
static    (),()0,ovrButton , ,
static ovr_GetString;
static pfn_ovr_SetString ()0 ovrButton0 ovrButtonovrButton_RThumb,
  ovr_GetExternalCamerasnullptr
static pfn_ovr_SetExternalCameraProperties 
    ;

# XP_WIN
static ovr_CreateTextureSwapChainDX;
static     ovrTouch_RIndexTrigger ()0 ovrTouch,
    ;
static pfn_ovr_CreateMirrorTextureDX 
staticvoid( &aInputState aHandIdx
#endif

static pfn_ovr_CreateTextureSwapChainGL ovr_CreateTextureSwapChainGL = nullptr;
 pfn_ovr_GetTextureSwapChainBufferGL =
    nullptr;
    .[]  .;
    {

#ifdef 
#  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
#else
#  define BUILD_BITS.buttonTouched=(uint64_t< );
#endif

#VRFieldOfView(constovrFovPortaFOV
# OVR_MAJOR_VERSION
#define OVR_MINOR_VERSION 19

static const uint32_t kNumOculusButtons =.  (aFOV8 ;
static const uint32_t kNumOculusHaptcs = 1;
  .upDegrees=atanaFOVUpTan8.  ;
ovrControllerType  (aFOV) * 100/M_PI
ovrControllerType_RTouch}
const char* OculusControllerNames[2] = {"Oculus Touch (Left)",java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
                 OculusTouch()";
dom      (nullptr),
                                            mTextureSet),

mPSConstantBuffer)
   ovrButton ovrButton ovrButton , ovrButton_X
, (ovrButton0}
    {mRemainingVibrateTime
, ()0,
};

ovrTouch OculusControllerTouches[2][kNumOculusButtons] = {
    {ovrTouch_LIndexTrigger, (ovrTouch)0, (ovrTouch
    ,ovrTouch_Y},
    {bool::(mozilla:::& ,
     , ,ovrTouch_RThumbRest
};

void UpdateButton(const ovrInputState& aInputState,  if (::dom_vr_puppet_enabled)) {
                  uint32_t aButtonIdx, VRControllerState& aControllerState) {
  if(.Buttons [aHandIdx]){
    aControllerState.buttonPressed |= ((uint64_t)1 <<     false
aControllerState[aButtonIdx  .f
  } else {
    aControllerState[aButtonIdx 00;
  }
  
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}

VRFieldOfView FromFovPort
VRFieldOfView;
  fovInfo. }
  fovInfo.rightDegrees =atanaFOVRightTan) *10.  ;
  fovInfo    returnfalse
  fovInfo
  return ;
}

}  // anonymous namespace

namespace// unnecessary D3D objects creation. But it will cause a WPT fail in Win 7
namespace {

OculusSession::OculusSession}
    :VRSession
      (nullptr
  if (!(false)
      mInitFlagsovrInitFlags,
      mTextureSet(nullptr),
      (nullptr
  if !InitStateaSystemState{
      return;
      mVSConstantBuffer(nullptrjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
      mPSConstantBuffer)java.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
      (nullptr
      mInputLayout(nullptr),
     mRemainingVibrateTime}java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
     mHapticPulseIntensity{},
      mIsPresenting(false) {}

OculusSession::~OculusSession() { Shutdown(); }

bool OculusSession::Initialize(mozilla// Do not immediately re-initialize with an invisible session after
java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
  if (StaticPrefs::dom_vr_puppet_enabled()) {
java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
    return false;
  }
  if    (mIsPresenting {
    return false;
  }

  if (aDetectRuntimesOnly
    if (LoadOvrLib()) {
      aSystemState
          VRDisplayCapabilityFlags;
    }
    return;
  }

  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    return false
  }
  ;
    return
  }
  // Ideally, we should move LoadOvrLib() up to the first line to avoid
//unnecessary  objects. But itwill a WPTfail Win7
  // debug.
if!(){
     false
  }
  java.lang.StringIndexOutOfBoundsException: Range [0, 63) out of bounds for length 58
// with visible session once WebVR content starts rendering.
java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    return
}
 !()){
    
  }

   =IntSizedisplayState. * ,
                              aSystemState;
  return;
}

void/java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  / Render a black frame
  (&layer0sizeof))java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

  // traversal.
  if (mIsPresenting) {
    // We are currently rendering immersive content.(mSession, layers;
    
    return;
  }
vrInit_Invisible
    // We are already invisible
    ;
  }
  if (mLastPresentationEnd.IsNull()) {
    // There has been no presentation yet
    return;


  TimeDurationif =flags
java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
      StaticPrefs::java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 3
StopSession;
if((false){
      gfxWarningjava.lang.StringIndexOutOfBoundsException: Range [16, 17) out of bounds for length 0
    }
  }
}

void OculusSession:return;
/java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
  // traversal, we need to prevent the user from seeing the
  // last rendered frame.
  // We render black frames to cover up the transition.
  MOZ_ASSERTU()java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
   () java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
    // We are currently rendering immersive content.
    // Avoid interrupting the session..isConnected .HmdPresent
;
  }

s  ) 
    // We are invisible, nothing to cover up{
;
  }

 / Render a black frame
  ovrLayerEyeFov layer;
  }
  layer.Header.Type()java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  ovrLayerHeadervoid:StartFrame::::&aSystemStatejava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  ovr_SubmitFrame();
}

bool
  ovrInitFlagsboolOculusSessionStartPresentationjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
      (   *       VRDisplay.requestPresent() when the   *       in VRDisplayOculus::   *       Bailing out here prevents the crash but content    *       that frames are   *       See Bug    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 :dom_vr_oculus_invisible_enabled() && !bVisible) {
    flags = (java.lang.StringIndexOutOfBoundsException: Range [52, 25) out of bounds for length 54
  
  bool::(
    // The new state is the same, nothing to do:gfx& aLayer
return;
  }

  // Tear everything down
  ();
  StopSession();
  StopLib();

  // Start it back up
  if (!StartLib(flags)) {
    return     return;
  }
  if   }
    return false
  }
  return ;
}

voidint = 0
  StopRendering;
                                                        );
  StopLib;
  UnloadOvrLib();
  DestroyShaders();
}

void OculusSession::ProcessEvents(mozilla::gfx:    ("ovr_GetTextureSwapChainCurrentIndex .");
  if (!  }
    returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 ;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
aSystemState.isConnected .HmdPresent
    aSystemState.displayState.isMounted =  .PreScale.f/ (textureDescWidth
 .ShouldQuit

  }.(1f .fjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   aSystemState.isConnected =false
    aSystemState  Matrix;
  }
  ();
  UpdateVisibility
  CoverTransitionsD3D11_VIEWPORT viewport
}

void OculusSession::StartFrame(mozilla::gfx::VRSystemState& aSystemState) {
  UpdateHeadsetPoseaSystemState;
  (aSystemState
  viewport =textureDesc;
    .TopLeftX;
  aSystemState.sensorState.inputFrameID++;
}

bool OculusSession::StartPresentation() {
  /**
   * XXX - We should resolve fail the promise returned by
   *       VRDisplay.requestPresent() when the DX11 resources fail allocation
   *       in VRDisplayOculus::StartPresentation().
   *       Bailing out here prevents the crash but content should be aware
   *       that frames are not being presented.
   *       See Bug 1299309.
   **/
  if (!ChangeVisibility(true)) {
     false
  }
  if!()){
    StopRendering();
    return false;
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
mIsPresentingtrue
   true
}

 OculusSession() java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
mLastPresentationEnd ::();
  mIsPresenting 
}

bool:SubmitFrame
     mozilla::& ,
    ID3D11Texture2D*   voffset
mContext-(,,vbuffervsize, &voffset, &voffset);
    return;
  }

D3D11_TEXTURE2D_DESC  0;
    mContext-();

  int currentRenderTarget = 0;
  ovr_GetTextureSwapChainCurrentIndex ,
                                                      IASetPrimitiveTopology);
  if<ID3D11ShaderResourceView;
NS_WARNINGovr_GetTextureSwapChainCurrentIndexjava.lang.StringIndexOutOfBoundsException: Range [62, 63) out of bounds for length 62
return;
  }

  ID3D11RenderTargetView* view = mRTView[ ;

  float   ID3D11ShaderResourceView  .getjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  mContext-ClearRenderTargetView,);
  mContext->OMSetRenderTargets(1,

  Matrix viewMatrix = Matrix::mContext-(0 ,sampler
  viewMatrix (UpdateConstantBuffers{
                  .f/(textureDescHeight;
  viewMatrix     false
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    orv = ovr_CommitTextureSwapChain(mSession, mTextureSet);

  Matrix transform2d;
  gfx(" .";

  D3D11_VIEWPORT;
  viewportjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 .MaxDepth.f;
  .Header  ;
    .Header =
  viewport0 = mTextureSet;
  viewportTopLeftY;

  D3D11_RECT scissor;
  .left0
  .[1 =mFOVPort1;
  .top;
   .[0Pos=. *aLayer.;

  memcpy(&mVSConstants.layerTransform, &transform.[0.ize  . *aLayer.;
sizeof.layerTransform)
  memcpy(&layer[]Pos=textureDesc *aLayer.;
  .Viewport]Size=. * .rightEyeRect;
    .[1..h=. *aLayer;
   ( i  ;i<;+){
  mVSConstants.layerQuad =
      layer. [].
.[.. mFrameStartPose..;

mPSConstants[0  .fjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

*  =mVertexBuffer
   =sizeof);
  UINTjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
>(,1&, vsize);
  mContext-/java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  mContext-IASetInputLayoutmInputLayout
  mContext->RSSetViewports     * result is      * "health and safety warning", * OVR_UNQUALIFIED_SUCCESS) and ovr_SubmitFrame will not block * In this case, returning true would have resulted in an unthrottled
  mContext->RSSetScissorRects(1, &scissor);
  mContext-return;
    }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  i mOvrLib
  HRESULT =>CreateShaderResourceViewaTexture,
                                                 getter_AddRefs ;
  if   <> ;
    gfxWarning() << "Could
                 <
    return false requiredLength:GetSystemDirectoryW
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
erResourceView =srView)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 >(0/* 0 == TexSlot::RGB */, 1, &viewPtr);
  // XXX Use Constant from TexSlot in CompositorD3D11.cpp?.(requiredLength

  ID3D11SamplerStatesampler mLinearSamplerState;
  mContext->PSSetSamplers(0    .SetLength);

  if (!UpdateConstantBuffers  .AppendPrintf("%d_%d.", , OVR_PRODUCT_VERSION);
java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
    return false;
  }

  mContext->  / If the env var is present, we override libName

  orv  searchPath_(LOVR_LIB_PATH
  if (libSearchPaths(0 ,searchPath
    NS_WARNINGjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    returnfalse;
  }

  ovrLayerEyeFov false
  memset(
  layer.   ( i=0 i <.Length++{
  layer.Header.Flags = 0;
  layer.ColorTexture[0] = mTextureSet;
  layer.ColorTexture[1] =    &  =libSearchPaths]
  layer.Fov[0] = mFOVPort[0];
layer[]=mFOVPort
  layerf.Assign)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  .[.y=Height..;
  layer.Viewport
  layer.Viewport =LoadLibraryWithFlags.()java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  layer.
  layer.Viewport[1].Pos.y = #  error "Unsupported platform
  layer.Viewportif!) 
 layer[1.ize=textureDescHeight.rightEyeRect;

  for (uint32_t
layer[]Orientation  [i..xjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
    layer.RenderPose[i].Orientation.y = mFrameStartPose[i].java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 56
    layer.RenderPose[i].Orientationif!){\
    layer.RenderPose[i].Orientation.w = mFrameStartPose[i].Orientation.w;(_   \"
    .RenderPose].x=[i..xjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
    layer.RenderPose[i].Position.y = mFrameStartPose[i].Position.y;
    
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  *layers layer;
  orv =();
/java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  REQUIRE_FUNCTION)

  if (!OVR_UNQUALIFIED_SUCCESS(orv)) {
    /**
     * We wish to throttle the framerate for any case that the rendered
     * result is not visible.  In some cases, such as during the Oculus
     * "health and safety warning", orv will be > 0 (OVR_SUCCESS but not
     * OVR_UNQUALIFIED_SUCCESS) and ovr_SubmitFrame will not block.
     * In this case, returning true would have resulted in an unthrottled
     * render loop hiting excessive frame rates and consuming resources.
     */
    return false;
  }

  return true;
}

bool  REQUIRE_FUNCTIONovr_GetTrackingOriginType
  if mOvrLib
    // Already loaded, early exit
    return true;
  }
#  ()java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 <nsString> libSearchPaths;
  nsString libName;
  nsString searchPath;

  for (;;) {
      REQUIRE_FUNCTION(vr_GetConnectedControllerTypes
        char16ptr_tsearchPathBeginWriting() .())java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
    if  ();
        ();
  ();
   ( <searchPath()){
      searchPath.Truncate(requiredLength);
      libSearchPaths.AppendElement(searchPath);
break
    }
R(ovr_GetBoundaryGeometry
  }
  libName.AppendPrintf();

  // search the path/module dir()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  .InsertElementsAt,u"

    REQUIRE_FUNCTION(ovr_DestroyTextureSwapChain);
  if REQUIRE_FUNCTION)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
     =_(LOVR_LIB_PATH;
    .InsertElementsAt01searchPath
  }

  if (_wgetenv();
  ();
  }

  if libName() 
    return(ovr_GetTimeInSeconds
  }

  REQUIRE_FUNCTION)
    nsString(ovr_SetInt
    nsString fullName;
    if  EQUIRE_FUNCTION);
      fullNameREQUIRE_FUNCTION);
    }else
    .(libPath+"\_ + libName)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    }

    mOvrLib
    ifmOvrLib
      break;
    }
  }();
#else();
#e "platform"
#endif

  if (!mOvrLib) {
    return false;
(java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

#define REQUIRE_FUNCTIONx                           
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
    if (!mOvrLib;
      printf_stderr(#_x " false;
      goto fail
    }                                                  
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

  REQUIRE_FUNCTION(ovr_Initialize);
  REQUIRE_FUNCTION(ovr_Shutdown);
  REQUIRE_FUNCTION(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 22
 REQUIRE_FUNCTION);
  REQUIRE_FUNCTIONjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  REQUIRE_FUNCTION(ovr_IdentifyClient;
  REQUIRE_FUNCTION(ovr_GetHmdDesc);
  REQUIRE_FUNCTIONovr_GetTrackerCount
  REQUIRE_FUNCTION);
  REQUIRE_FUNCTION(ovr_Create);
  REQUIRE_FUNCTION(ovr_Destroy);
  REQUIRE_FUNCTION(ovr_GetSessionStatus);
  REQUIRE_FUNCTION(    (¶ms0 (params
  REQUIRE_FUNCTION(    paramsFlags aFlags
      params = OVR_MINOR_VERSION
  REQUIRE_FUNCTION(ovr_GetTrackingOriginTypeparams = nullptr;
  REQUIRE_FUNCTION(ovr_RecenterTrackingOrigin)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  (ovr_SpecifyTrackingOrigin
  REQUIRE_FUNCTION(ovr_ClearShouldRecenterFlag
  REQUIRE_FUNCTION orv=) {
  REQUIRE_FUNCTION(ovr_GetDevicePoses);
  REQUIRE_FUNCTION(ovr_GetTrackerPose);
  REQUIRE_FUNCTION(ovr_GetInputState      mInitFlags;
  REQUIRE_FUNCTION       false
  REQUIRE_FUNCTION
  REQUIRE_FUNCTION  
()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
     mInitFlags
REQUIRE_FUNCTION)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  REQUIRE_FUNCTION(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  REQUIRE_FUNCTION(ovr_SetBoundaryLookAndFeel);
  REQUIRE_FUNCTIONovr_ResetBoundaryLookAndFeel
  REQUIRE_FUNCTION(ovr_GetBoundaryGeometry);
  REQUIRE_FUNCTION);
  REQUIRE_FUNCTION(ovr_GetBoundaryVisible);
(ovr_RequestBoundaryVisible
  REQUIRE_FUNCTIONovr_GetTextureSwapChainLength
  REQUIRE_FUNCTION/
  REQUIRE_FUNCTION(ovr_GetTextureSwapChainDesc);
(ovr_CommitTextureSwapChain
  REQUIRE_FUNCTION(ovr_DestroyTextureSwapChain =nullptr
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
  REQUIRE_FUNCTION(java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 28
  REQUIRE_FUNCTION(ovr_GetRenderDesc2);
  REQUIRE_FUNCTION();
  REQUIRE_FUNCTION(java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 3
  REQUIRE_FUNCTION(ovr_EndFrame);
  REQUIRE_FUNCTION(ovr_SubmitFrame);
  REQUIRE_FUNCTION(ovr_GetPerfStats   luid
  REQUIRE_FUNCTION);
REQUIRE_FUNCTION);
  REQUIRE_FUNCTION(ovr_GetTimeInSeconds  (,);
  REQUIRE_FUNCTION(ovr_GetBoolorv=ovrSuccess
  REQUIRE_FUNCTION(ovr_SetTrackingOriginTypen)
  REQUIRE_FUNCTION
  REQUIRE_FUNCTION)
  REQUIRE_FUNCTIONtrue
  REQUIRE_FUNCTION(ovr_SetFloat);
  REQUIRE_FUNCTION(ovr_GetFloatArray/
  REQUIRE_FUNCTION(ovr_SetFloatArray);
  (ovr_GetString;
  REQUIRE_FUNCTION
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
REQUIRE_FUNCTION);

#ifdef XP_WIN

  REQUIRE_FUNCTION(ovr_CreateTextureSwapChainDX);RefPtr> = ::::()>();
REQUIRE_FUNCTION);
  REQUIRE_FUNCTION(  
  REQUIRE_FUNCTION if!()) 

java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

();
  REQUIRE_FUNCTION(ovr_GetTextureSwapChainBufferGL);
  REQUIRE_FUNCTION);
  REQUIRE_FUNCTION(ovr_GetMirrorTextureBufferGL(" tocreatevertex shaderforOculus")

#undef REQUIRE_FUNCTION

  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 5

fail
       ((mDevice-(sRGBShader, sRGBShader,
  ();
        (" to createpixelshaderforOculus);
  return;
}

    }
  if (mOvrLib) {
    PR_UnloadLibrary(mOvrLib);
    mOvrLib = nullptr;
  }
}

bool::(ovrInitFlags) {
ifmInitFlags 0 
                             , );
    (&, , sizeof);
    params.Flags = aFlags;
     ifFAILED>CreateBuffer, ,
    params = nullptr
    params.ConnectionTimeoutMS = 0;

ovrResult  (&);

    if (orv == ovrSuccess)    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
      mInitFlags = aFlags((mDevice-(cBufferDescnullptr
    }else
      return false;
}
  }
  MOZ_ASSERT(mInitFlags ==java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
   true
}

            ,(mLinearSamplerState{
  (){
          return false
    mInitFlags
  } )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

bool OculusSession::StartSession() {
  // ovr_Create can be slow when no HMD is present and we wish
  // to keep the same oculus session when possible, so we detect
  
ovrHmdDesc = ovr_GetHmdDescNULL
  if desc = ovrHmd_None{
    // No HMD connected, destroy any existing session
    if (mSession) {
ovr_Destroy;
      mSession  false
    }
    return  
  }
  ifmSession nullptr
    // HMD Detected and we already have a session, let's keep using it.
return;
  }

/java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  // try to create a new session
  ovrSession session;
  ovrGraphicsLuid luid FAILED>(&,&ata
  ovrResultgetter_AddRefs())) {
Success{
       false
    if (    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
NS_WARNINGovr_SetTrackingOriginType\"
    }
     = ;
    return  return tr;
  }

  // Failed to create a session for the HMD
 return;
}

void OculusSession::StopSession() {
  if (mSession) {
    ovr_Destroy(mSession);
    mSession nullptr;
  }
}

bool OculusSession
RefPtr>device::::()>(;
  if (!device                r);
    return;
  }
  if (!CreateD3DContext(device)}
    return false;
  }
  return;
}

bool OculusSession::CreateShaders() {
  if!) java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    if &)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
            sLayerQuadVS.mData ;
      NS_WARNING(" (*).pData =mPSConstants;
      ;
    }
  }

  if (!mQuadPS) {
if((mDevice-CreatePixelShader., .mLength
                                           ;
      NS_WARNING"tocreatepixel ";
return;
    }
  }

3D11_BUFFER_DESC(sizeof::),
                          ,
D3D11_USAGE_DYNAMIC);

  if (!mVSConstantBuffer) {
    if (FAILED(mDevice-   are is placethe and  textures
                                     
NS_WARNING    buffer)
      return false;
    }
  }

  if          for purposesBug13
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
i FAILED>(cBufferDesc,
                                     . = 1
      NS_WARNING(" . .width;
       ;
    }
  }

  if (!mLinearSamplerState) {
    CD3D11_SAMPLER_DESC. =1
if((>(
            &samplerDesc,  .  ;
NS_WARNINGFailedcreate Oculus
      return falsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }
  }

  if (!mInputLayout) {
    D3D11_INPUT_ELEMENT_DESC layout[] = {
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         ,}
    };

    if (NS_WARNING ";
            layout, sizeof(layout) / sizeof(D3D11_INPUT_ELEMENT_DESC       ;
.mData.mLength
            getter_AddRefs(mInputLayout)mRTView();
      (Failedinput ";
      return;
    }
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

if!) 
    Vertex vertices[] = {
        {. .},{10 .},{. .} {.,10};
    CD3D11_BUFFER_DESC bufferDesc(sizeof(vertices), D3D11_BIND_VERTEX_BUFFER);
    data
r false

    if (FAILED
                                     (mVertexBuffer){
(,
      return false;
    }
  }

  memset(&mVSConstants, 0, sizeof(mVSConstants));
  memset                                             DXGI_FORMAT_B8G8R8A8_UNORM;
  eturn;
}

void OculusSession::DestroyShaders() {}

bool OculusSession:UpdateConstantBuffers {
  HRESULT hr        NS_WARNING(
              FailedtoRenderTargetView   .)java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
  resourceID3D11ShaderResourceView;

    >MapmVSConstantBuffer0D3D11_MAP_WRITE_DISCARD,
                     &resourceDXGI_FORMAT_B8G8R8A8_UNORM)java.lang.StringIndexOutOfBoundsException: Range [75, 76) out of bounds for length 75
  if (FAILEDgetter_AddRefs(rv);
    return false;
  }
  *(VertexShaderConstants        NS_WARNING
  mContext-UnmapmVSConstantBuffer );
  resource.pData = nullptr;

  hr = mContext->Map(mPSConstantBuffer,            ".)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
                     &resource);
  if (java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
    return false
  }
  *(PixelShaderConstants*)resource.pData = mPSConstants;
  mContext-Unmap, 0);

  ID3D11Buffer  = ;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
  buffer
PSSetConstantBuffers )
  return true mTextureSet=;
}

bool OculusSession::StartRendering() {
   (mTextureSetjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    /**
     * The presentation format is determined by content, which describes the
     * left and right eye rectangles in the VRLayer.  The default, if no
     * coordinates are passed is to place the left and right eye textures
     * side-by-side within the buffer.
     *
     * XXX - An optimization would be to dynamically resize this buffer
     *       to accomodate sites that are choosing to render in a lower
     *       resolution or are using space outside of the left and right
     *       eye textures for other purposes.  (Bug 1291443)
     */

    ovrTextureSwapChainDesc desc;
    memset(&desc    state.capabilityFlags |= VRDisplayCapabilityFlags  }
  state.capabilityFlags |= VRDisplayCapabilityFlags:  state.capabilityFlags |= VRDisplayCapabilityFlags::  state.capabilityFlags |= VRDisplayCapabilityFlags::java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 47
    desc.  state.eyeFOV[VRDisplayState      FromFovPort(mFOVPort[VRDisplayState::Eye_Right
    desc.Format   ovrSizei texSize[2];
    desc.Width = mPresentationSize  for (uint32_t eye = 0; eye <     texSize[eye] = ovr_GetFovTextureSize(mSession                                         mFOVPort[eye], pixelsPerDisplayPixel);
    desc.Height = mPresentationSize.height;
    desc.MipLevels = 1;
    desc.SampleCount   state.nativeFramebufferScaleFactor = 1.0f;
    desc.StaticImage =  aSystemState.sensorState.pose.orientation[3] 
    desc.MiscFlags =   UpdateEyeParameters(aSystemState);
    desc.BindFlags = ovrTextureBind_DX_RenderTarget;

    ovrResult orv =
        ovr_CreateTextureSwapChainDX(mSession, mDevice, &desc, &mTextureSet);
    if (orv != ovrSuccess) {  sensorState.pose.orientation[3] = 1.0f;  // Default to an identity quaternion
      NS_WARNING(void OculusSession::UpdateStageParameters(VRDisplayState& 
      return false      ovr_GetBoundaryDimensions(mSession, ovrBoundary_PlayArea, &playArea  if (res == ovrSuccess) {
    }

    int     aState.stageSize.width = 1.0f;
    orv = ovr_GetTextureSwapChainLength(mSession
    if (orv != ovrSuccess) {
      NS_WARNING("ovr_GetTextureSwapChainLength failed"
      return false;
    }
    mTexture.SetLength(textureCount  aState.sittingToStandingTransform[3] = 0.0f;
    mRTView.SetLength(textureCount  aState.sittingToStandingTransform[4] = 0.0f;
    mSRV.SetLength  aState.sittingToStandingTransform[5] = 1.0f;
    for (  aState.sittingToStandingTransform[6] = 0.0f;
      ID3D11Texture2D* texture = nullptrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      orv =  aState.sittingToStandingTransform[11] = 0.0f;
                                            IID_PPV_ARGS(&texture  aState.sittingToStandingTransform[13] = eyeHeight;
      if (void OculusSession::UpdateEyeParameters(VRSystemState& aState) {
        NS_WARNING(" }
          // This must be called every frame in order to
      }

        for (uint32_t eye = 0; eye < VRDisplayState    // As of Oculus 1.17 SDK, we must use the ovr_GetRenderDesc2 function to
      CD3D11_RENDER_TARGET_VIEW_DESC rtvDesc(D3D11_RTV_DIMENSION_TEXTURE2D,
                                                     renderDesc.HmdToEyePose.Position.x;
      HRESULT hr = mDevice-    aState.displayState.eyeTranslation[eye].z =
                                                   getter_AddRefs(rtView));
      if (FAILED(hr    pose.SetRotationFromQuaternion(
        NS_WARNING(
            "Failed to create RenderTargetView for Oculus texture swap chain.");
        texture->Release();
        return false                        renderDesc.HmdToEyePose.Orientation.w));
      }

      RefPtr                      renderDesc.HmdToEyePose.Position.z);
      CD3D11_SHADER_RESOURCE_VIEW_DESC  }
                                               DXGI_FORMAT_B8G8R8A8_UNORM
      hr = mDevice->         sizeof(float) * 16);
                                             getter_AddRefs(srv));
      if (FAILED(hr)) {
        NS_WARNING(
            " if (!matView[eye].Decompose(eyeTranslation, eyeRotation, eyeScale)) NS_WARNING("Failed to decompose eye pose matrix for Oculus    }
            "chain.");
        texture->Release();
        return false;
      }

      mTexture[i] = texture;
      mRTView[i
}
      texture->Release();
    }
  }
  return true;
}

bool OculusSession:    // XXX We might need to call ovr_GetPredictedDisplayTime even if we don't
  return mTextureSet !    predictedFrameTime = ovr_GetPredictedDisplayTime(mSession,   }
}

void OculusSession::StopRendering(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  mSRV
  mRTView.Clear();
  mTexture.Clear();

      aState.sensorState.pose.orientation
    ovr_DestroyTextureSwapChain(mSession, mTextureSet);
  }
  mTextureSet = nullptr;
  mIsPresenting = false;
}

bool OculusSession::InitState(VRSystemState& java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 0
  VRDisplayState& state     aState.sensorState.pose.angularAcceleration[2]  } else {
  strncpy(state.displayName.  strncpy(state.displayName.data
  state  if (trackingState.StatusFlags & ovrStatus_PositionTracked    float eyeHeight =
  state.isMounted = false;

  ovrHmdDesc desc = ovr_GetHmdDesc    aState.sensorState.pose.position[1    aState.sensorState.pose.position[2] =

  state.capabilityFlags = VRDisplayCapabilityFlags::Cap_None    aState.sensorState.pose.linearVelocity
  if (desc.AvailableTrackingCaps        VRDisplayCapabilityFlags::Cap_LinearAcceleration;
    state.capabilityFlags |= VRDisplayCapabilityFlags::Cap_Orientation;
    aState.sensorState.pose.linearAcceleration[2] =  }
  }
  aState.sensorState.flags |= VRDisplayCapabilityFlags::Cap_MountDetection  aState.sensorState.flags |= VRDisplayCapabilityFlags}
    statevoid OculusSession::UpdateControllers(VRSystemState  if (!mSession) {
    state.capabilityFlags    return;
    state.capabilityFlags |= VRDisplayCapabilityFlags::Cap_StageParameters;
  }
  state.capabilityFlags |= VRDisplayCapabilityFlags::Cap_External;
  state.capabilityFlags |= VRDisplayCapabilityFlags::Cap_MountDetection;
  state.capabilityFlags |=   if (!hasInputState) {
  state.capabilityFlags |= VRDisplayCapabilityFlags::  }
  state.blendMode = VRDisplayBlendMode::Opaque  EnumerateControllers(aState, inputState);
  state.reportsDroppedFramese, inputState);

  void OculusSession::UpdateControllerPose(VRSystemState&                                          const ovrInputState& ;aInputState) {
  mFOVPort[VRDisplayState::Eye_Right    // Left Touch Controller will always be at index 0 and

  state.eyeFOV[VRDisplayState::Eye_Left] =
      FromFovPort(mFOVPort[VRDisplayState::Eye_Left]);
  state.eyeFOV[VRDisplayState::Eye_Right] =
      FromFovPort(mFOVPort[VRDisplayState::Eye_Right]);

  float pixelsPerDisplayPixel = 1.0;
  ovrSizei texSize[2]      if (bNewController) {

  // get eye texture sizes
  for (uint32_t        controllerState.flags |=
    texSize[eye] = ovr_GetFovTextureSize(mSession        controllerState.flags |=
                                         mFOVPort[        controllerState.flags |=
  }

  // take the max of both for eye resolution      if (bNewController || trackingState.HandStatusFlags[handIdx                                ovrStatus_OrientationTracked) {
  state.eyeResolution        controllerState.pose.orientation[3] =        controllerState.pose.angularVelocity[0] = pose.AngularVelocity.x;
                                       texSize        controllerState.pose.angularAcceleration[0] =
  state            pose.AngularAcceleration.y;
                                        texSize[            pose.AngularAcceleration.z;
  state.nativeFramebufferScaleFactor      } else {

  // default to an identity quaternion
  aSystemState.sensorState.pose.orientation[3] =           trackingState.HandStatusFlags[handIdx] & ovrStatus_PositionTracked) {

  UpdateStageParameters(        controllerState.pose.position[2] = pose.ThePose        controllerState.pose.linearVelocity[0] = pose.LinearVelocity        controllerState.pose.linearVelocity[1] = pose.LinearVelocity        controllerState.pose.linearVelocity[2] =        controllerState.pose        controllerState.pose.linearAcceleration[2] = posejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  UpdateEyeParameters(aSystemState);

  VRHMDSensorState& sensorState }
  
      (VRDisplayCapabilityFlagsvoid OculusSession::EnumerateControllers(VRSystemState&&nbsp;aState,
                                     VRDisplayCapabilityFlags::Cap_Orientation |
  for (uint32_t handIdx = 0; handIdx < 2; handIdx++)     // Left Touch Controller will always be at index 0 and
  sensorState.pose.    if (aInputState.ControllerType & OculusControllerTypes[handIdx])       // Touch Controller detected

  return true;
}

void OculusSession::UpdateStageParameters(VRDisplayState& aState        controllerState.hand = OculusControllerHand[handIdx];
  ovrVector3f playArea;
  ovrResult res =
      ovr_GetBoundaryDimensions(mSession, ovrBoundary_PlayArea, &playArea);
  if (res        controllerState.type = VRControllerType::OculusTouch;
    aState.stageSize.width      // Touch Controller not detected
    aState.        // Clear any newly disconnected ontrollers
  } else {
    // If we fail, fall back to reasonable defaults.      }
    // 1m x 1m space
    aState.stageSize.width = 1.0f;
    aState.stageSize.height = 1.0f;
  }

  float eyeHeight =
      ovr_GetFloat(mSession, OVR_KEY_EYE_HEIGHT, OVR_DEFAULT_EYE_HEIGHT);

  aState.sittingToStandingTransform[0] = 1.0f;
  aState.sittingToStandingTransform[1] = 0.0f;
  aState.sittingToStandingTransform[2] = 0.0f;
  aState.sittingToStandingTransform[3] = 0.0f;

  aState.sittingToStandingTransform[4] = 0.0f;
  aState.sittingToStandingTransform[5] = 1.0f;
  aState.sittingToStandingTransform[6] = 0.0f;
  aState.sittingToStandingTransform[7] = 0.0f;

  aState.sittingToStandingTransform[8] = 0.0f;
  aState.sittingToStandingTransform[9] = 0.0f;
  aState.sittingToStandingTransform[10]  for (uint32_t handIdx = 0; handIdx < 2; handIdx++) {
  aState.    // and Right Touch Controller will always be at index 1

  aState    if (aInputState.ControllerType & OculusControllerTypes[handIdx]) {      // Update Button States
  aState.sittingToStandingTransform[13] = eyeHeight;
  aState.sittingToStandingTransform[14] = 0.0f;
  aState.sittingToStandingTransform[15] = 1.0f;
}

void OculusSession::UpdateEyeParameters      VRSession::UpdateTrigger(controllerState, buttonIdx,
  if (!mSession) {
    return;
  }
  // This must be called every frame in order to
  // account for continuous adjustments to ipd.
  gfx::Matrix4x4 headToEyeTransforms[2];
  for (uint32_t eye                                aInputState.HandTrigger[handIdx],
    // As of Oculus 1.17 SDK, we must use the ovr_GetRenderDesc2 function to
    // return the updated version of ovrEyeRenderDesc.  This is normally done by
    // the Oculus static lib shim, but we need to do this explicitly as we are
    // loading the Oculus runtime dll directly.
    ovrEyeRenderDesc renderDesc =
        ovr_GetRenderDesc2(mSession, (ovrEyeType)eye      // Button 5: B
    aState.displayState.eyeTranslation      ++buttonIdx;
        renderDesc.HmdToEyePose.Position.x;
    aState.displayState.eyeTranslation[eye].y =
        renderDesc.HmdToEyePose.Position.y;
    aState.displayState      MOZ_ASSERT(buttonIdx == kNumOculusButtons);
        renderDesc.HmdToEyePose.Position      // Update Thumbstick axis

    Matrix4x4 pose;
    pose.SetRotationFromQuaternion(
        gfx::Quaternion(-renderDesc.      // Axis 2, 3: placeholder axes for thumbstick.
                        -renderDesc      }
                        -renderDesc.HmdToEyePose      axisIdx++;
                        renderDesc.HmdToEyePose.Orientation.w
    pose.PreTranslate(renderDesc.HmdToEyePose.Position.x,
                      renderDesc.HmdToEyePose.Position.y,
                      renderDesc.HmdToEyePose.Position.z)      controllerState.axisValue[axisIdx] = axisValue;
    pose.Invert      MOZ_ASSERT(axisIdx == kNumOculusAxes);
    headToEyeTransforms[eye        controllerState, aState.displayState.lastSubmittedFrameId  }
  }
  void OculusSession::UpdateTelemetry(VRSystemState& aSystemState  if (!mSession) {

    if (ovr_GetPerfStats(mSession, &perfStats) == ovrSuccess) {
  memcpy(matView[      aSystemState.displayState.droppedFrameCount =
         sizeof(float) * 16);
  memcpy  }
         sizeof}

void OculusSession::VibrateHaptic(uint32_t aControllerIdx,
    Point3D eyeTranslation;
    Quaternion eyeRotation;
    Point3D eyeScale;
    if    return;
      NS_WARNING("Failedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }

    eyeRotation.Invert  MOZ_ASSERT(aControllerIdx >= 0 && aControllerIdx <= 1)  mHapticPulseIntensity[aControllerIdx] = aIntensity > 1.0 ? 1.0 : aIntensity;
    mFrameStartPose[eye].Orientation
    mFrameStartPose[eye].Orientation.y = eyeRotation.y;
    mFrameStartPose[eye].Orientation.zjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 31
    mFrameStartPose[eye].Orientation.w = eyeRotation  if (result != ovrSuccess) {
    mFrameStartPose[eye].Position    gfxWarning() << "ovr_SetControllerVibration failed.";
    mFrameStartPose[eye].Position.y = void OculusSession::StopVibrateHaptic(uint32_t aControllerIdx) {
    mFrameStartPose[eye].Position.z   }
  }
}

void OculusSession::UpdateHeadsetPose  mRemainingVibrateTime[aControllerIdx] = 0.0f;
  if (!mSession) 
    return  ovrResult result = ovr_SetControllerVibration(mSession, hand, 0  if (result != ovrSuccess) {
  }
  double predictedFrameTime = 0.0f;
  if (StaticPrefs::java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 23
    // XXX We might need to call ovr_GetPredictedDisplayTime even if we don't
    // use the result. If we don't call it, the Oculus driver will spew out many
    // warnings...
    predictedFrameTime = ovr_GetPredictedDisplayTime  // The Oculus API and hardware takes at least 33ms to respond
  }
  ovrTrackingState trackingState =
      ovr_GetTrackingState(mSession, predictedFrameTime, true);
  ovrPoseStatef& pose(trackingState  // we should use the buffered haptic feedback API's.

  aState.sensorState.timestamp = pose.TimeInSeconds;

  if (trackingState.StatusFlags & ovrStatus_OrientationTracked    return;
    aState.sensorState.flags |= VRDisplayCapabilityFlags:  mLastHapticUpdate = now;

    aState.sensorState.pose      continue;
    aState    mRemainingVibrateTime[i] -= deltaTime;
    aState.sensorState    if (mRemainingVibrateTime[i] > 0.0f) {
    aState.sensorState.pose.orientation[3                                                    mHapticPulseIntensity[i]);

    aState.sensorState        gfxWarning() << "ovr_SetControllerVibration failed.";
    aState      StopVibrateHaptic(i);
    aState.  }

    java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
        VRDisplayCapabilityFlags::Cap_AngularAcceleration;

    aState.sensorState.pose.angularAcceleration[0] = pose.AngularAcceleration.x;
    aState.sensorState.pose.angularAcceleration[1] = pose.AngularAcceleration.y;
    aState.sensorState.pose.angularAcceleration[2] = pose.AngularAcceleration.z;
  } else {
    // default to an identity quaternion
    aState.sensorState.pose.orientation[3] = 1.0f;
  }

  if (trackingState.StatusFlags & ovrStatus_PositionTracked) {
    float eyeHeight =
        ovr_GetFloat(mSession, OVR_KEY_EYE_HEIGHT, OVR_DEFAULT_EYE_HEIGHT);
    aState.sensorState.flags |= VRDisplayCapabilityFlags::Cap_Position;

    aState.sensorState.pose.position[0] = pose.ThePose.Position.x;
    aState.sensorState.pose.position[1] = pose.ThePose.Position.y - eyeHeight;
    aState.sensorState.pose.position[2] = pose.ThePose.Position.z;

    aState.sensorState.pose.linearVelocity[0] = pose.LinearVelocity.x;
    aState.sensorState.pose.linearVelocity[1] = pose.LinearVelocity.y;
    aState.sensorState.pose.linearVelocity[2] = pose.LinearVelocity.z;

    aState.sensorState.flags |=
        VRDisplayCapabilityFlags::Cap_LinearAcceleration;

    aState.sensorState.pose.linearAcceleration[0] = pose.LinearAcceleration.x;
    aState.sensorState.pose.linearAcceleration[1] = pose.LinearAcceleration.y;
    aState.sensorState.pose.linearAcceleration[2] = pose.LinearAcceleration.z;
  }
  aState.sensorState.flags |= VRDisplayCapabilityFlags::Cap_External;
  aState.sensorState.flags |= VRDisplayCapabilityFlags::Cap_MountDetection;
  aState.sensorState.flags |= VRDisplayCapabilityFlags::Cap_Present;
}

void OculusSession::UpdateControllers(VRSystemState& aState) {
  if (!mSession) {
    return;
  }

  ovrInputState inputState;
  bool hasInputState = ovr_GetInputState(mSession, ovrControllerType_Touch,
                                         &inputState) == ovrSuccess;

  if (!hasInputState) {
    return;
  }

  EnumerateControllers(aState, inputState);
  UpdateControllerInputs(aState, inputState);
  UpdateControllerPose(aState, inputState);
}

void OculusSession::UpdateControllerPose(VRSystemState& aState,
                                         const ovrInputState& aInputState) {
  ovrTrackingState trackingState = ovr_GetTrackingState(mSession, 0.0, false);
  for (uint32_t handIdx = 0; handIdx < 2; handIdx++) {
    // Left Touch Controller will always be at index 0 and
    // and Right Touch Controller will always be at index 1
    VRControllerState& controllerState = aState.controllerState[handIdx];
    if (aInputState.ControllerType & OculusControllerTypes[handIdx]) {
      ovrPoseStatef& pose = trackingState.HandPoses[handIdx];
      bool bNewController = !(controllerState.flags &
                              dom::GamepadCapabilityFlags::Cap_Orientation);
      if (bNewController) {
        controllerState.flags |= dom::GamepadCapabilityFlags::Cap_Orientation;
        controllerState.flags |= dom::GamepadCapabilityFlags::Cap_Position;
        controllerState.flags |=
            dom::GamepadCapabilityFlags::Cap_AngularAcceleration;
        controllerState.flags |=
            dom::GamepadCapabilityFlags::Cap_LinearAcceleration;
        controllerState.flags |=
            dom::GamepadCapabilityFlags::Cap_GripSpacePosition;
      }

      if (bNewController || trackingState.HandStatusFlags[handIdx] &
                                ovrStatus_OrientationTracked) {
        controllerState.pose.orientation[0] = pose.ThePose.Orientation.x;
        controllerState.pose.orientation[1] = pose.ThePose.Orientation.y;
        controllerState.pose.orientation[2] = pose.ThePose.Orientation.z;
        controllerState.pose.orientation[3] = pose.ThePose.Orientation.w;
        controllerState.pose.angularVelocity[0] = pose.AngularVelocity.x;
        controllerState.pose.angularVelocity[1] = pose.AngularVelocity.y;
        controllerState.pose.angularVelocity[2] = pose.AngularVelocity.z;
        controllerState.pose.angularAcceleration[0] =
            pose.AngularAcceleration.x;
        controllerState.pose.angularAcceleration[1] =
            pose.AngularAcceleration.y;
        controllerState.pose.angularAcceleration[2] =
            pose.AngularAcceleration.z;
        controllerState.isOrientationValid = true;
      } else {
        controllerState.isOrientationValid = false;
      }
      if (bNewController ||
          trackingState.HandStatusFlags[handIdx] & ovrStatus_PositionTracked) {
        controllerState.pose.position[0] = pose.ThePose.Position.x;
        controllerState.pose.position[1] = pose.ThePose.Position.y;
        controllerState.pose.position[2] = pose.ThePose.Position.z;
        controllerState.pose.linearVelocity[0] = pose.LinearVelocity.x;
        controllerState.pose.linearVelocity[1] = pose.LinearVelocity.y;
        controllerState.pose.linearVelocity[2] = pose.LinearVelocity.z;
        controllerState.pose.linearAcceleration[0] = pose.LinearAcceleration.x;
        controllerState.pose.linearAcceleration[1] = pose.LinearAcceleration.y;
        controllerState.pose.linearAcceleration[2] = pose.LinearAcceleration.z;

        float eyeHeight =
            ovr_GetFloat(mSession, OVR_KEY_EYE_HEIGHT, OVR_DEFAULT_EYE_HEIGHT);
        controllerState.pose.position[1] -= eyeHeight;
        controllerState.isPositionValid = true;
      } else {
        controllerState.isPositionValid = false;
      }
      controllerState.targetRayPose = controllerState.pose;
    }
  }
}

void OculusSession::EnumerateControllers(VRSystemState& aState,
                                         const ovrInputState& aInputState) {
  for (uint32_t handIdx = 0; handIdx < 2; handIdx++) {
    // Left Touch Controller will always be at index 0 and
    // and Right Touch Controller will always be at index 1
    VRControllerState& controllerState = aState.controllerState[handIdx];
    if (aInputState.ControllerType & OculusControllerTypes[handIdx]) {
      // Touch Controller detected
      if (controllerState.controllerName[0] == '\0') {
        // Controller has been just enumerated
        strncpy(controllerState.controllerName.data(),
                OculusControllerNames[handIdx],
                controllerState.controllerName.size());
        controllerState.hand = OculusControllerHand[handIdx];
        controllerState.targetRayMode = gfx::TargetRayMode::TrackedPointer;
        controllerState.numButtons = kNumOculusButtons;
        controllerState.numAxes = kNumOculusAxes;
        controllerState.numHaptics = kNumOculusHaptcs;
        controllerState.type = VRControllerType::OculusTouch;
      }
    } else {
      // Touch Controller not detected
      if (controllerState.controllerName[0] != '\0') {
        // Clear any newly disconnected ontrollers
        memset(&controllerState, 0, sizeof(VRControllerState));
      }
    }
  }
}

void OculusSession::UpdateControllerInputs(VRSystemState& aState,
                                           const ovrInputState& aInputState) {
  const float triggerThreshold =
      StaticPrefs::dom_vr_controller_trigger_threshold();

  for (uint32_t handIdx = 0; handIdx < 2; handIdx++) {
    // Left Touch Controller will always be at index 0 and
    // and Right Touch Controller will always be at index 1
    VRControllerState& controllerState = aState.controllerState[handIdx];
    if (aInputState.ControllerType & OculusControllerTypes[handIdx]) {
      // Update Button States
      controllerState.buttonPressed = 0;
      controllerState.buttonTouched = 0;
      uint32_t buttonIdx = 0;

      // Button 0: Trigger
      VRSession::UpdateTrigger(controllerState, buttonIdx,
                               aInputState.IndexTrigger[handIdx],
                               triggerThreshold);
      ++buttonIdx;
      // Button 1: Grip
      VRSession::UpdateTrigger(controllerState, buttonIdx,
                               aInputState.HandTrigger[handIdx],
                               triggerThreshold);
      ++buttonIdx;
      // Button 2: a placeholder button for trackpad.
      UpdateButton(aInputState, handIdx, buttonIdx, controllerState);
      ++buttonIdx;
      // Button 3: Thumbstick
      UpdateButton(aInputState, handIdx, buttonIdx, controllerState);
      ++buttonIdx;
      // Button 4: A
      UpdateButton(aInputState, handIdx, buttonIdx, controllerState);
      ++buttonIdx;
      // Button 5: B
      UpdateButton(aInputState, handIdx, buttonIdx, controllerState);
      ++buttonIdx;
      // Button 6: ThumbRest
      UpdateButton(aInputState, handIdx, buttonIdx, controllerState);
      ++buttonIdx;

      MOZ_ASSERT(buttonIdx == kNumOculusButtons);

      // Update Thumbstick axis
      uint32_t axisIdx = 0;
      // Axis 0, 1: placeholder axes for trackpad.
      axisIdx += 2;

      // Axis 2, 3: placeholder axes for thumbstick.
      float axisValue = aInputState.Thumbstick[handIdx].x;
      if (abs(axisValue) < 0.0000009f) {
        axisValue = 0.0f;  // Clear noise signal
      }
      controllerState.axisValue[axisIdx] = axisValue;
      axisIdx++;

      // Note that y axis is intentionally inverted!
      axisValue = -aInputState.Thumbstick[handIdx].y;
      if (abs(axisValue) < 0.0000009f) {
        axisValue = 0.0f;  // Clear noise signal
      }
      controllerState.axisValue[axisIdx] = axisValue;
      axisIdx++;

      MOZ_ASSERT(axisIdx == kNumOculusAxes);
    }
    SetControllerSelectionAndSqueezeFrameId(
        controllerState, aState.displayState.lastSubmittedFrameId);
  }
}

void OculusSession::UpdateTelemetry(VRSystemState& aSystemState) {
  if (!mSession) {
    return;
  }
  ovrPerfStats perfStats;
  if (ovr_GetPerfStats(mSession, &perfStats) == ovrSuccess) {
    if (perfStats.FrameStatsCount) {
      aSystemState.displayState.droppedFrameCount =
          perfStats.FrameStats[0].AppDroppedFrameCount;
    }
  }
}

void OculusSession::VibrateHaptic(uint32_t aControllerIdx,
                                  uint32_t aHapticIndex, float aIntensity,
                                  float aDuration) {
  if (!mSession) {
    return;
  }

  if (aDuration <= 0.0f) {
    StopVibrateHaptic(aControllerIdx);
    return;
  }

  // Vibration amplitude in the [0.0, 1.0] range
  MOZ_ASSERT(aControllerIdx >= 0 && aControllerIdx <= 1);
  mHapticPulseIntensity[aControllerIdx] = aIntensity > 1.0 ? 1.0 : aIntensity;
  mRemainingVibrateTime[aControllerIdx] = aDuration;
  ovrControllerType hand = OculusControllerTypes[aControllerIdx];

  // The gamepad extensions API does not yet have independent control
  // of frequency and amplitude.  We are always sending 0.0f (160hz)
  // to the frequency argument.
  ovrResult result = ovr_SetControllerVibration(
      mSession, hand, 0.0f, mHapticPulseIntensity[aControllerIdx]);
  if (result != ovrSuccess) {
    // This may happen if called when not presenting.
    gfxWarning() << "ovr_SetControllerVibration failed.";
  }
}

void OculusSession::StopVibrateHaptic(uint32_t aControllerIdx) {
  if (!mSession) {
    return;
  }
  MOZ_ASSERT(aControllerIdx >= 0 && aControllerIdx <= 1);
  ovrControllerType hand = OculusControllerTypes[aControllerIdx];
  mRemainingVibrateTime[aControllerIdx] = 0.0f;
  mHapticPulseIntensity[aControllerIdx] = 0.0f;

  ovrResult result = ovr_SetControllerVibration(mSession, hand, 0.0f, 0.0f);
  if (result != ovrSuccess) {
    // This may happen if called when not presenting.
    gfxWarning() << "ovr_SetControllerVibration failed.";
  }
}

void OculusSession::StopAllHaptics() {
  // Left Oculus Touch
  StopVibrateHaptic(0);
  // Right Oculus Touch
  StopVibrateHaptic(1);
}

void OculusSession::UpdateHaptics() {
  if (!mSession) {
    return;
  }
  // The Oculus API and hardware takes at least 33ms to respond
  // to haptic state changes, so it is not beneficial to create
  // a dedicated haptic feedback thread and update multiple
  // times per frame.
  // If we wish to support more accurate effects with sub-frame timing,
  // we should use the buffered haptic feedback API's.

  TimeStamp now = TimeStamp::Now();
  if (mLastHapticUpdate.IsNull()) {
    mLastHapticUpdate = now;
    return;
  }
  float deltaTime = (float)(now - mLastHapticUpdate).ToSeconds();
  mLastHapticUpdate = now;
  for (int i = 0; i < 2; i++) {
    if (mRemainingVibrateTime[i] <= 0.0f) {
      continue;
    }
    mRemainingVibrateTime[i] -= deltaTime;
    ovrControllerType hand = OculusControllerTypes[i];
    if (mRemainingVibrateTime[i] > 0.0f) {
      ovrResult result = ovr_SetControllerVibration(mSession, hand, 0.0f,
                                                    mHapticPulseIntensity[i]);
      if (result != ovrSuccess) {
        // This may happen if called when not presenting.
        gfxWarning() << "ovr_SetControllerVibration failed.";
      }
    } else {
      StopVibrateHaptic(i);
    }
  }
}

}  // namespace gfx
}  // namespace mozilla