Remove VR hardware support.

This resolves #881

1 files changed, 0 insertions, 529 deletions

diff --git a/gfx/vr/gfxVROSVR.cpp b/gfx/vr/gfxVROSVR.cpp
deleted file mode 100644
index 8b275e923..000000000
--- a/gfx/vr/gfxVROSVR.cpp
+++ /dev/null
@@ -1,529 +0,0 @@
-/* -*- 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/. */
-
-#include <math.h>
-
-#include "prlink.h"
-#include "prmem.h"
-#include "prenv.h"
-#include "gfxPrefs.h"
-#include "nsString.h"
-#include "mozilla/Preferences.h"
-
-#include "mozilla/gfx/Quaternion.h"
-
-#ifdef XP_WIN
-#include "../layers/d3d11/CompositorD3D11.h"
-#include "../layers/d3d11/TextureD3D11.h"
-#endif
-
-#include "gfxVROSVR.h"
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-using namespace mozilla::layers;
-using namespace mozilla::gfx;
-using namespace mozilla::gfx::impl;
-
-namespace {
-// need to typedef functions that will be used in the code below
-extern "C" {
-typedef OSVR_ClientContext (*pfn_osvrClientInit)(
-  const char applicationIdentifier[], uint32_t flags);
-typedef OSVR_ReturnCode (*pfn_osvrClientShutdown)(OSVR_ClientContext ctx);
-typedef OSVR_ReturnCode (*pfn_osvrClientUpdate)(OSVR_ClientContext ctx);
-typedef OSVR_ReturnCode (*pfn_osvrClientCheckStatus)(OSVR_ClientContext ctx);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetInterface)(
-  OSVR_ClientContext ctx, const char path[], OSVR_ClientInterface* iface);
-typedef OSVR_ReturnCode (*pfn_osvrClientFreeInterface)(
-  OSVR_ClientContext ctx, OSVR_ClientInterface iface);
-typedef OSVR_ReturnCode (*pfn_osvrGetOrientationState)(
-  OSVR_ClientInterface iface, OSVR_TimeValue* timestamp,
-  OSVR_OrientationState* state);
-typedef OSVR_ReturnCode (*pfn_osvrGetPositionState)(OSVR_ClientInterface iface,
-                                                    OSVR_TimeValue* timestamp,
-                                                    OSVR_PositionState* state);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetDisplay)(OSVR_ClientContext ctx,
-                                                    OSVR_DisplayConfig* disp);
-typedef OSVR_ReturnCode (*pfn_osvrClientFreeDisplay)(OSVR_DisplayConfig disp);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetNumEyesForViewer)(
-  OSVR_DisplayConfig disp, OSVR_ViewerCount viewer, OSVR_EyeCount* eyes);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetViewerEyePose)(
-  OSVR_DisplayConfig disp, OSVR_ViewerCount viewer, OSVR_EyeCount eye,
-  OSVR_Pose3* pose);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetDisplayDimensions)(
-  OSVR_DisplayConfig disp, OSVR_DisplayInputCount displayInputIndex,
-  OSVR_DisplayDimension* width, OSVR_DisplayDimension* height);
-typedef OSVR_ReturnCode (
-  *pfn_osvrClientGetViewerEyeSurfaceProjectionClippingPlanes)(
-  OSVR_DisplayConfig disp, OSVR_ViewerCount viewer, OSVR_EyeCount eye,
-  OSVR_SurfaceCount surface, double* left, double* right, double* bottom,
-  double* top);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetRelativeViewportForViewerEyeSurface)(
-  OSVR_DisplayConfig disp, OSVR_ViewerCount viewer, OSVR_EyeCount eye,
-  OSVR_SurfaceCount surface, OSVR_ViewportDimension* left,
-  OSVR_ViewportDimension* bottom, OSVR_ViewportDimension* width,
-  OSVR_ViewportDimension* height);
-typedef OSVR_ReturnCode (*pfn_osvrClientGetViewerEyeSurfaceProjectionMatrixf)(
-  OSVR_DisplayConfig disp, OSVR_ViewerCount viewer, OSVR_EyeCount eye,
-  OSVR_SurfaceCount surface, float near, float far,
-  OSVR_MatrixConventions flags, float* matrix);
-typedef OSVR_ReturnCode (*pfn_osvrClientCheckDisplayStartup)(
-  OSVR_DisplayConfig disp);
-typedef OSVR_ReturnCode (*pfn_osvrClientSetRoomRotationUsingHead)(
-  OSVR_ClientContext ctx);
-}
-
-static pfn_osvrClientInit osvr_ClientInit = nullptr;
-static pfn_osvrClientShutdown osvr_ClientShutdown = nullptr;
-static pfn_osvrClientUpdate osvr_ClientUpdate = nullptr;
-static pfn_osvrClientCheckStatus osvr_ClientCheckStatus = nullptr;
-static pfn_osvrClientGetInterface osvr_ClientGetInterface = nullptr;
-static pfn_osvrClientFreeInterface osvr_ClientFreeInterface = nullptr;
-static pfn_osvrGetOrientationState osvr_GetOrientationState = nullptr;
-static pfn_osvrGetPositionState osvr_GetPositionState = nullptr;
-static pfn_osvrClientGetDisplay osvr_ClientGetDisplay = nullptr;
-static pfn_osvrClientFreeDisplay osvr_ClientFreeDisplay = nullptr;
-static pfn_osvrClientGetNumEyesForViewer osvr_ClientGetNumEyesForViewer =
-  nullptr;
-static pfn_osvrClientGetViewerEyePose osvr_ClientGetViewerEyePose = nullptr;
-static pfn_osvrClientGetDisplayDimensions osvr_ClientGetDisplayDimensions =
-  nullptr;
-static pfn_osvrClientGetViewerEyeSurfaceProjectionClippingPlanes
-  osvr_ClientGetViewerEyeSurfaceProjectionClippingPlanes = nullptr;
-static pfn_osvrClientGetRelativeViewportForViewerEyeSurface
-  osvr_ClientGetRelativeViewportForViewerEyeSurface = nullptr;
-static pfn_osvrClientGetViewerEyeSurfaceProjectionMatrixf
-  osvr_ClientGetViewerEyeSurfaceProjectionMatrixf = nullptr;
-static pfn_osvrClientCheckDisplayStartup osvr_ClientCheckDisplayStartup =
-  nullptr;
-static pfn_osvrClientSetRoomRotationUsingHead
-  osvr_ClientSetRoomRotationUsingHead = nullptr;
-
-bool
-LoadOSVRRuntime()
-{
-  static PRLibrary* osvrUtilLib = nullptr;
-  static PRLibrary* osvrCommonLib = nullptr;
-  static PRLibrary* osvrClientLib = nullptr;
-  static PRLibrary* osvrClientKitLib = nullptr;
-  //this looks up the path in the about:config setting, from greprefs.js or modules\libpref\init\all.js
-  nsAdoptingCString osvrUtilPath =
-    mozilla::Preferences::GetCString("gfx.vr.osvr.utilLibPath");
-  nsAdoptingCString osvrCommonPath =
-    mozilla::Preferences::GetCString("gfx.vr.osvr.commonLibPath");
-  nsAdoptingCString osvrClientPath =
-    mozilla::Preferences::GetCString("gfx.vr.osvr.clientLibPath");
-  nsAdoptingCString osvrClientKitPath =
-    mozilla::Preferences::GetCString("gfx.vr.osvr.clientKitLibPath");
-
-  //we need all the libs to be valid
-  if ((!osvrUtilPath) || (!osvrCommonPath) || (!osvrClientPath) ||
-      (!osvrClientKitPath)) {
-    return false;
-  }
-
-  osvrUtilLib = PR_LoadLibrary(osvrUtilPath.BeginReading());
-  osvrCommonLib = PR_LoadLibrary(osvrCommonPath.BeginReading());
-  osvrClientLib = PR_LoadLibrary(osvrClientPath.BeginReading());
-  osvrClientKitLib = PR_LoadLibrary(osvrClientKitPath.BeginReading());
-
-  if (!osvrUtilLib) {
-    printf_stderr("[OSVR] Failed to load OSVR Util library!\n");
-    return false;
-  }
-  if (!osvrCommonLib) {
-    printf_stderr("[OSVR] Failed to load OSVR Common library!\n");
-    return false;
-  }
-  if (!osvrClientLib) {
-    printf_stderr("[OSVR] Failed to load OSVR Client library!\n");
-    return false;
-  }
-  if (!osvrClientKitLib) {
-    printf_stderr("[OSVR] Failed to load OSVR ClientKit library!\n");
-    return false;
-  }
-
-// make sure all functions that we'll be using are available
-#define REQUIRE_FUNCTION(_x)                                                   \
-  do {                                                                         \
-    *(void**) & osvr_##_x =                                                    \
-      (void*)PR_FindSymbol(osvrClientKitLib, "osvr" #_x);                      \
-    if (!osvr_##_x) {                                                          \
-      printf_stderr("osvr" #_x " symbol missing\n");                           \
-      goto fail;                                                               \
-    }                                                                          \
-  } while (0)
-
-  REQUIRE_FUNCTION(ClientInit);
-  REQUIRE_FUNCTION(ClientShutdown);
-  REQUIRE_FUNCTION(ClientUpdate);
-  REQUIRE_FUNCTION(ClientCheckStatus);
-  REQUIRE_FUNCTION(ClientGetInterface);
-  REQUIRE_FUNCTION(ClientFreeInterface);
-  REQUIRE_FUNCTION(GetOrientationState);
-  REQUIRE_FUNCTION(GetPositionState);
-  REQUIRE_FUNCTION(ClientGetDisplay);
-  REQUIRE_FUNCTION(ClientFreeDisplay);
-  REQUIRE_FUNCTION(ClientGetNumEyesForViewer);
-  REQUIRE_FUNCTION(ClientGetViewerEyePose);
-  REQUIRE_FUNCTION(ClientGetDisplayDimensions);
-  REQUIRE_FUNCTION(ClientGetViewerEyeSurfaceProjectionClippingPlanes);
-  REQUIRE_FUNCTION(ClientGetRelativeViewportForViewerEyeSurface);
-  REQUIRE_FUNCTION(ClientGetViewerEyeSurfaceProjectionMatrixf);
-  REQUIRE_FUNCTION(ClientCheckDisplayStartup);
-  REQUIRE_FUNCTION(ClientSetRoomRotationUsingHead);
-
-#undef REQUIRE_FUNCTION
-
-  return true;
-
-fail:
-  return false;
-}
-
-} // namespace
-
-mozilla::gfx::VRFieldOfView
-SetFromTanRadians(double left, double right, double bottom, double top)
-{
-  mozilla::gfx::VRFieldOfView fovInfo;
-  fovInfo.leftDegrees = atan(left) * 180.0 / M_PI;
-  fovInfo.rightDegrees = atan(right) * 180.0 / M_PI;
-  fovInfo.upDegrees = atan(top) * 180.0 / M_PI;
-  fovInfo.downDegrees = atan(bottom) * 180.0 / M_PI;
-  return fovInfo;
-}
-
-VRDisplayOSVR::VRDisplayOSVR(OSVR_ClientContext* context,
-                         OSVR_ClientInterface* iface,
-                         OSVR_DisplayConfig* display)
-  : VRDisplayHost(VRDeviceType::OSVR)
-  , m_ctx(context)
-  , m_iface(iface)
-  , m_display(display)
-{
-
-  MOZ_COUNT_CTOR_INHERITED(VRDisplayOSVR, VRDisplayHost);
-
-  mDisplayInfo.mIsConnected = true;
-  mDisplayInfo.mDisplayName.AssignLiteral("OSVR HMD");
-  mDisplayInfo.mCapabilityFlags = VRDisplayCapabilityFlags::Cap_None;
-  mDisplayInfo.mCapabilityFlags =
-    VRDisplayCapabilityFlags::Cap_Orientation | VRDisplayCapabilityFlags::Cap_Position;
-
-  mDisplayInfo.mCapabilityFlags |= VRDisplayCapabilityFlags::Cap_External;
-  mDisplayInfo.mCapabilityFlags |= VRDisplayCapabilityFlags::Cap_Present;
-
-  // XXX OSVR display topology allows for more than one viewer
-  // will assume only one viewer for now (most likely stay that way)
-
-  OSVR_EyeCount numEyes;
-  osvr_ClientGetNumEyesForViewer(*m_display, 0, &numEyes);
-
-  for (uint8_t eye = 0; eye < numEyes; eye++) {
-    double left, right, bottom, top;
-    // XXX for now there is only one surface per eye
-    osvr_ClientGetViewerEyeSurfaceProjectionClippingPlanes(
-      *m_display, 0, eye, 0, &left, &right, &bottom, &top);
-    mDisplayInfo.mEyeFOV[eye] =
-      SetFromTanRadians(-left, right, -bottom, top);
-  }
-
-  // XXX Assuming there is only one display input for now
-  // however, it's possible to have more than one (dSight with 2 HDMI inputs)
-  OSVR_DisplayDimension width, height;
-  osvr_ClientGetDisplayDimensions(*m_display, 0, &width, &height);
-
-
-  for (uint8_t eye = 0; eye < numEyes; eye++) {
-
-    OSVR_ViewportDimension l, b, w, h;
-    osvr_ClientGetRelativeViewportForViewerEyeSurface(*m_display, 0, eye, 0, &l,
-                                                      &b, &w, &h);
-    mDisplayInfo.mEyeResolution.width = w;
-    mDisplayInfo.mEyeResolution.height = h;
-    OSVR_Pose3 eyePose;
-    // Viewer eye pose may not be immediately available, update client context until we get it
-    OSVR_ReturnCode ret =
-      osvr_ClientGetViewerEyePose(*m_display, 0, eye, &eyePose);
-    while (ret != OSVR_RETURN_SUCCESS) {
-      osvr_ClientUpdate(*m_ctx);
-      ret = osvr_ClientGetViewerEyePose(*m_display, 0, eye, &eyePose);
-    }
-    mDisplayInfo.mEyeTranslation[eye].x = eyePose.translation.data[0];
-    mDisplayInfo.mEyeTranslation[eye].y = eyePose.translation.data[1];
-    mDisplayInfo.mEyeTranslation[eye].z = eyePose.translation.data[2];
-  }
-}
-
-void
-VRDisplayOSVR::Destroy()
-{
-  // destroy non-owning pointers
-  m_ctx = nullptr;
-  m_iface = nullptr;
-  m_display = nullptr;
-}
-
-void
-VRDisplayOSVR::ZeroSensor()
-{
-  // recenter pose aka reset yaw
-  osvr_ClientSetRoomRotationUsingHead(*m_ctx);
-}
-
-VRHMDSensorState
-VRDisplayOSVR::GetSensorState()
-{
-
-  //update client context before anything
-  //this usually goes into app's mainloop
-  osvr_ClientUpdate(*m_ctx);
-
-  VRHMDSensorState result;
-  OSVR_TimeValue timestamp;
-  result.Clear();
-
-  OSVR_OrientationState orientation;
-
-  OSVR_ReturnCode ret =
-    osvr_GetOrientationState(*m_iface, &timestamp, &orientation);
-
-  result.timestamp = timestamp.seconds;
-
-  if (ret == OSVR_RETURN_SUCCESS) {
-    result.flags |= VRDisplayCapabilityFlags::Cap_Orientation;
-    result.orientation[0] = orientation.data[1];
-    result.orientation[1] = orientation.data[2];
-    result.orientation[2] = orientation.data[3];
-    result.orientation[3] = orientation.data[0];
-  }
-
-  OSVR_PositionState position;
-  ret = osvr_GetPositionState(*m_iface, &timestamp, &position);
-  if (ret == OSVR_RETURN_SUCCESS) {
-    result.flags |= VRDisplayCapabilityFlags::Cap_Position;
-    result.position[0] = position.data[0];
-    result.position[1] = position.data[1];
-    result.position[2] = position.data[2];
-  }
-
-  return result;
-}
-
-VRHMDSensorState
-VRDisplayOSVR::GetImmediateSensorState()
-{
-  return GetSensorState();
-}
-
-#if defined(XP_WIN)
-
-void
-VRDisplayOSVR::SubmitFrame(TextureSourceD3D11* aSource,
-  const IntSize& aSize,
-  const VRHMDSensorState& aSensorState,
-  const gfx::Rect& aLeftEyeRect,
-  const gfx::Rect& aRightEyeRect)
-{
-  // XXX Add code to submit frame
-}
-
-#endif
-
-void
-VRDisplayOSVR::StartPresentation()
-{
-  // XXX Add code to start VR Presentation
-}
-
-void
-VRDisplayOSVR::StopPresentation()
-{
-  // XXX Add code to end VR Presentation
-}
-
-already_AddRefed<VRDisplayManagerOSVR>
-VRDisplayManagerOSVR::Create()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (!gfxPrefs::VREnabled() || !gfxPrefs::VROSVREnabled()) {
-    return nullptr;
-  }
-  if (!LoadOSVRRuntime()) {
-    return nullptr;
-  }
-  RefPtr<VRDisplayManagerOSVR> manager = new VRDisplayManagerOSVR();
-  return manager.forget();
-}
-
-void
-VRDisplayManagerOSVR::CheckOSVRStatus()
-{
-  if (mOSVRInitialized) {
-    return;
-  }
-
-  // client context must be initialized first
-  InitializeClientContext();
-
-  // update client context
-  osvr_ClientUpdate(m_ctx);
-
-  // initialize interface and display if they are not initialized yet
-  InitializeInterface();
-  InitializeDisplay();
-
-  // OSVR is fully initialized now
-  if (mClientContextInitialized && mDisplayConfigInitialized &&
-      mInterfaceInitialized) {
-    mOSVRInitialized = true;
-  }
-}
-
-void
-VRDisplayManagerOSVR::InitializeClientContext()
-{
-  // already initialized
-  if (mClientContextInitialized) {
-    return;
-  }
-
-  // first time creating
-  if (!m_ctx) {
-    // get client context
-    m_ctx = osvr_ClientInit("com.osvr.webvr", 0);
-    // update context
-    osvr_ClientUpdate(m_ctx);
-    // verify we are connected
-    if (OSVR_RETURN_SUCCESS == osvr_ClientCheckStatus(m_ctx)) {
-      mClientContextInitialized = true;
-    }
-  }
-  // client context exists but not up and running yet
-  else {
-    // update context
-    osvr_ClientUpdate(m_ctx);
-    if (OSVR_RETURN_SUCCESS == osvr_ClientCheckStatus(m_ctx)) {
-      mClientContextInitialized = true;
-    }
-  }
-}
-
-void
-VRDisplayManagerOSVR::InitializeInterface()
-{
-  // already initialized
-  if (mInterfaceInitialized) {
-    return;
-  }
-  //Client context must be initialized before getting interface
-  if (mClientContextInitialized) {
-    // m_iface will remain nullptr if no interface is returned
-    if (OSVR_RETURN_SUCCESS ==
-        osvr_ClientGetInterface(m_ctx, "/me/head", &m_iface)) {
-      mInterfaceInitialized = true;
-    }
-  }
-}
-
-void
-VRDisplayManagerOSVR::InitializeDisplay()
-{
-  // display is fully configured
-  if (mDisplayConfigInitialized) {
-    return;
-  }
-
-  //Client context must be initialized before getting interface
-  if (mClientContextInitialized) {
-    // first time creating display object
-    if (m_display == nullptr) {
-
-      OSVR_ReturnCode ret = osvr_ClientGetDisplay(m_ctx, &m_display);
-
-      if (ret == OSVR_RETURN_SUCCESS) {
-        osvr_ClientUpdate(m_ctx);
-        // display object may have been created but not fully startup
-        if (OSVR_RETURN_SUCCESS == osvr_ClientCheckDisplayStartup(m_display)) {
-          mDisplayConfigInitialized = true;
-        }
-      }
-
-      // Typically once we get Display object, pose data is available after
-      // clientUpdate but sometimes it takes ~ 200 ms to get
-      // a succesfull connection, so we might have to run a few update cycles
-    } else {
-
-      if (OSVR_RETURN_SUCCESS == osvr_ClientCheckDisplayStartup(m_display)) {
-        mDisplayConfigInitialized = true;
-      }
-    }
-  }
-}
-
-bool
-VRDisplayManagerOSVR::Init()
-{
-
-  // OSVR server should be running in the background
-  // It would load plugins and take care of detecting HMDs
-  if (!mOSVRInitialized) {
-    nsIThread* thread = nullptr;
-    NS_GetCurrentThread(&thread);
-    mOSVRThread = already_AddRefed<nsIThread>(thread);
-
-    // initialize client context
-    InitializeClientContext();
-    // try to initialize interface
-    InitializeInterface();
-    // try to initialize display object
-    InitializeDisplay();
-    // verify all components are initialized
-    CheckOSVRStatus();
-  }
-
-  return mOSVRInitialized;
-}
-
-void
-VRDisplayManagerOSVR::Destroy()
-{
-  if (mOSVRInitialized) {
-    MOZ_ASSERT(NS_GetCurrentThread() == mOSVRThread);
-    mOSVRThread = nullptr;
-    mHMDInfo = nullptr;
-    mOSVRInitialized = false;
-  }
-  // client context may not have been initialized
-  if (m_ctx) {
-    osvr_ClientFreeDisplay(m_display);
-  }
-  // osvr checks that m_ctx or m_iface are not null
-  osvr_ClientFreeInterface(m_ctx, m_iface);
-  osvr_ClientShutdown(m_ctx);
-}
-
-void
-VRDisplayManagerOSVR::GetHMDs(nsTArray<RefPtr<VRDisplayHost>>& aHMDResult)
-{
-  // make sure context, interface and display are initialized
-  CheckOSVRStatus();
-
-  if (!mOSVRInitialized) {
-    return;
-  }
-
-  mHMDInfo = new VRDisplayOSVR(&m_ctx, &m_iface, &m_display);
-
-  if (mHMDInfo) {
-    aHMDResult.AppendElement(mHMDInfo);
-  }
-}