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-rw-r--r--gfx/vr/gfxVROSVR.cpp529
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);
- }
-}
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