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Bug 1179944, [webvr] put back support for Oculus 0.5.0 runtime, for OSX and Linux; r=mstange

Browse Source
This commit is contained in:
Vladimir Vukicevic 2015-06-05 13:14:10 -04:00
parent 8c69e75150
commit 8ad4e8a371
11 changed files with 1003 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
gfx/layers/d3d11/CompositorD3D11.cpp
View File

@ -331,13 +331,13 @@ CompositorD3D11::Initialize()
hr = mDevice->CreateInputLayout(vrlayout,
sizeof(vrlayout) / sizeof(D3D11_INPUT_ELEMENT_DESC),
OculusVRDistortionVS,
sizeof(OculusVRDistortionVS),
byRef(mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus]));
Oculus050VRDistortionVS,
sizeof(Oculus050VRDistortionVS),
byRef(mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus050]));
// XXX shared for now, rename
mAttachments->mVRDistortionInputLayout[VRHMDType::Cardboard] =
mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus];
mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus050];
cBufferDesc.ByteWidth = sizeof(gfx::VRDistortionConstants);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, byRef(mAttachments->mVRDistortionConstants));
@ -632,6 +632,14 @@ CompositorD3D11::DrawVRDistortion(const gfx::Rect& aRect,
VRHMDInfo* hmdInfo = vrEffect->mHMD;
VRHMDType hmdType = hmdInfo->GetType();
if (!mAttachments->mVRDistortionVS[hmdType] ||
!mAttachments->mVRDistortionPS[hmdType])
{
NS_WARNING("No VS/PS for hmd type for VR distortion!");
return;
}
VRDistortionConstants shaderConstants;
// do we need to recreate the VR buffers, since the config has changed?
@ -1263,26 +1271,26 @@ CompositorD3D11::CreateShaders()
/* VR stuff */
hr = mDevice->CreateVertexShader(OculusVRDistortionVS,
sizeof(OculusVRDistortionVS),
hr = mDevice->CreateVertexShader(Oculus050VRDistortionVS,
sizeof(Oculus050VRDistortionVS),
nullptr,
byRef(mAttachments->mVRDistortionVS[VRHMDType::Oculus]));
byRef(mAttachments->mVRDistortionVS[VRHMDType::Oculus050]));
if (FAILED(hr)) {
return false;
}
hr = mDevice->CreatePixelShader(OculusVRDistortionPS,
sizeof(OculusVRDistortionPS),
hr = mDevice->CreatePixelShader(Oculus050VRDistortionPS,
sizeof(Oculus050VRDistortionPS),
nullptr,
byRef(mAttachments->mVRDistortionPS[VRHMDType::Oculus]));
byRef(mAttachments->mVRDistortionPS[VRHMDType::Oculus050]));
if (FAILED(hr)) {
return false;
}
// These are shared
// XXX rename Oculus shaders to something more generic
mAttachments->mVRDistortionVS[VRHMDType::Cardboard] = mAttachments->mVRDistortionVS[VRHMDType::Oculus];
mAttachments->mVRDistortionPS[VRHMDType::Cardboard] = mAttachments->mVRDistortionPS[VRHMDType::Oculus];
// XXX rename Oculus050 shaders to something more generic
mAttachments->mVRDistortionVS[VRHMDType::Cardboard] = mAttachments->mVRDistortionVS[VRHMDType::Oculus050];
mAttachments->mVRDistortionPS[VRHMDType::Cardboard] = mAttachments->mVRDistortionPS[VRHMDType::Oculus050];
return true;
}

4
gfx/layers/d3d11/CompositorD3D11ShadersVR.h
View File

@ -108,7 +108,7 @@ ret
// Approximately 10 instruction slots used
#endif
const BYTE OculusVRDistortionVS[] =
const BYTE Oculus050VRDistortionVS[] =
{
68, 88, 66, 67, 206, 154,
203, 64, 121, 47, 121, 169,
@ -447,7 +447,7 @@ ret
// Approximately 8 instruction slots used
#endif
const BYTE OculusVRDistortionPS[] =
const BYTE Oculus050VRDistortionPS[] =
{
68, 88, 66, 67, 48, 161,
127, 216, 149, 107, 53, 57,

6
gfx/layers/d3d11/CompositorD3D11VR.hlsl
View File

@ -38,9 +38,9 @@ SamplerState Linear
};
/*
* Oculus basic distortion, with chroma aberration correction
* Oculus050 basic distortion, with chroma aberration correction
*/
VS_VR_OUTPUT OculusVRDistortionVS(const VS_VR_INPUT aVertex)
VS_VR_OUTPUT Oculus050VRDistortionVS(const VS_VR_INPUT aVertex)
{
VS_VR_OUTPUT res;
@ -61,7 +61,7 @@ VS_VR_OUTPUT OculusVRDistortionVS(const VS_VR_INPUT aVertex)
return res;
}
float4 OculusVRDistortionPS(const VS_VR_OUTPUT aVertex) : SV_Target
float4 Oculus050VRDistortionPS(const VS_VR_OUTPUT aVertex) : SV_Target
{
float resR = Texture.Sample(Linear, aVertex.vTexCoord0.xy).r;
float resG = Texture.Sample(Linear, aVertex.vTexCoord1.xy).g;

4
gfx/layers/d3d11/genshaders.sh
View File

@ -45,7 +45,7 @@ SRC=CompositorD3D11VR.hlsl
DEST=CompositorD3D11ShadersVR.h
rm -f $DEST
makeShaderVS OculusVRDistortionVS
makeShaderPS OculusVRDistortionPS
makeShaderVS Oculus050VRDistortionVS
makeShaderPS Oculus050VRDistortionPS
rm $tempfile

25
gfx/vr/gfxVR.cpp
View File

@ -12,12 +12,18 @@
#include "gfxPrefs.h"
#include "gfxVR.h"
#if defined(XP_WIN)
#include "gfxVROculus.h"
#endif
#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
#include "gfxVROculus050.h"
#endif
#include "gfxVRCardboard.h"
#include "nsServiceManagerUtils.h"
#include "nsIScreenManager.h"
#include "mozilla/unused.h"
#include "mozilla/layers/Compositor.h"
#include "mozilla/layers/TextureHost.h"
@ -102,9 +108,26 @@ VRHMDManager::ManagerInit()
nsRefPtr<VRHMDManager> mgr;
// we'll only load the 0.5.0 oculus runtime if
// the >= 0.6.0 one failed to load
bool useOculus050 = true;
unused << useOculus050;
#if defined(XP_WIN)
mgr = new VRHMDManagerOculus();
if (mgr->PlatformInit())
if (mgr->PlatformInit()) {
useOculus050 = false;
sManagers->AppendElement(mgr);
}
#endif
#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
if (useOculus050) {
mgr = new VRHMDManagerOculus050();
if (mgr->PlatformInit())
sManagers->AppendElement(mgr);
}
#endif
mgr = new VRHMDManagerCardboard();
if (mgr->PlatformInit())

1
gfx/vr/gfxVR.h
View File

@ -27,6 +27,7 @@ namespace gfx {
enum class VRHMDType : uint16_t {
Oculus,
Cardboard,
Oculus050,
NumHMDTypes
};

19
gfx/vr/gfxVRCardboard.cpp
View File

@ -98,8 +98,8 @@ HMDInfoCardboard::HMDInfoCardboard()
#if 1
int32_t xcoord = 0;
if (getenv("FAKE_CARDBOARD_SCREEN")) {
const char *env = getenv("FAKE_CARDBOARD_SCREEN");
if (PR_GetEnv("FAKE_CARDBOARD_SCREEN")) {
const char *env = PR_GetEnv("FAKE_CARDBOARD_SCREEN");
nsresult err;
xcoord = nsCString(env).ToInteger(&err);
if (err != NS_OK) xcoord = 0;
@ -274,6 +274,12 @@ HMDInfoCardboard::SetFOV(const VRFieldOfView& aFOVLeft,
mEyeResolution.width = 1920 / 2;
mEyeResolution.height = 1080;
if (PR_GetEnv("FAKE_CARDBOARD_SCREEN")) {
// for testing, make the eye resolution 2x of the screen
mEyeResolution.width *= 2;
mEyeResolution.height *= 2;
}
mConfiguration.hmdType = mType;
mConfiguration.value = 0;
mConfiguration.fov[0] = aFOVLeft;
@ -291,8 +297,13 @@ HMDInfoCardboard::FillDistortionConstants(uint32_t whichEye,
// these modify the texture coordinates; texcoord * zw + xy
values.eyeToSourceScaleAndOffset[0] = 0.0;
values.eyeToSourceScaleAndOffset[1] = 0.0;
values.eyeToSourceScaleAndOffset[2] = 1.0;
values.eyeToSourceScaleAndOffset[3] = 1.0;
if (PR_GetEnv("FAKE_CARDBOARD_SCREEN")) {
values.eyeToSourceScaleAndOffset[2] = 2.0;
values.eyeToSourceScaleAndOffset[3] = 2.0;
} else {
values.eyeToSourceScaleAndOffset[2] = 1.0;
values.eyeToSourceScaleAndOffset[3] = 1.0;
}
// Our mesh positions are in the [-1..1] clip space; we give appropriate offset
// and scaling for the right viewport. (In the 0..2 space for sanity)

562
gfx/vr/gfxVROculus050.cpp Normal file
View File

@ -0,0 +1,562 @@
/* -*- 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>
#if defined(_WIN32)
#include <windows.h>
#endif
#include "prlink.h"
#include "prmem.h"
#include "prenv.h"
#include "gfxPrefs.h"
#include "nsString.h"
#include "mozilla/Preferences.h"
#include "gfxVROculus050.h"
#include "nsServiceManagerUtils.h"
#include "nsIScreenManager.h"
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
using namespace ovr050;
using namespace mozilla::gfx;
using namespace mozilla::gfx::impl;
namespace {
#ifdef OVR_CAPI_050_LIMITED_MOZILLA
static pfn_ovr_Initialize ovr_Initialize = nullptr;
static pfn_ovr_Shutdown ovr_Shutdown = nullptr;
static pfn_ovrHmd_Detect ovrHmd_Detect = nullptr;
static pfn_ovrHmd_Create ovrHmd_Create = nullptr;
static pfn_ovrHmd_Destroy ovrHmd_Destroy = nullptr;
static pfn_ovrHmd_CreateDebug ovrHmd_CreateDebug = nullptr;
static pfn_ovrHmd_GetLastError ovrHmd_GetLastError = nullptr;
static pfn_ovrHmd_AttachToWindow ovrHmd_AttachToWindow = nullptr;
static pfn_ovrHmd_GetEnabledCaps ovrHmd_GetEnabledCaps = nullptr;
static pfn_ovrHmd_SetEnabledCaps ovrHmd_SetEnabledCaps = nullptr;
static pfn_ovrHmd_ConfigureTracking ovrHmd_ConfigureTracking = nullptr;
static pfn_ovrHmd_RecenterPose ovrHmd_RecenterPose = nullptr;
static pfn_ovrHmd_GetTrackingState ovrHmd_GetTrackingState = nullptr;
static pfn_ovrHmd_GetFovTextureSize ovrHmd_GetFovTextureSize = nullptr;
static pfn_ovrHmd_GetRenderDesc ovrHmd_GetRenderDesc = nullptr;
static pfn_ovrHmd_CreateDistortionMesh ovrHmd_CreateDistortionMesh = nullptr;
static pfn_ovrHmd_DestroyDistortionMesh ovrHmd_DestroyDistortionMesh = nullptr;
static pfn_ovrHmd_GetRenderScaleAndOffset ovrHmd_GetRenderScaleAndOffset = nullptr;
static pfn_ovrHmd_GetFrameTiming ovrHmd_GetFrameTiming = nullptr;
static pfn_ovrHmd_BeginFrameTiming ovrHmd_BeginFrameTiming = nullptr;
static pfn_ovrHmd_EndFrameTiming ovrHmd_EndFrameTiming = nullptr;
static pfn_ovrHmd_ResetFrameTiming ovrHmd_ResetFrameTiming = nullptr;
static pfn_ovrHmd_GetEyePoses ovrHmd_GetEyePoses = nullptr;
static pfn_ovrHmd_GetHmdPosePerEye ovrHmd_GetHmdPosePerEye = nullptr;
static pfn_ovrHmd_GetEyeTimewarpMatrices ovrHmd_GetEyeTimewarpMatrices = nullptr;
static pfn_ovrMatrix4f_Projection ovrMatrix4f_Projection = nullptr;
static pfn_ovrMatrix4f_OrthoSubProjection ovrMatrix4f_OrthoSubProjection = nullptr;
static pfn_ovr_GetTimeInSeconds ovr_GetTimeInSeconds = nullptr;
#ifdef HAVE_64BIT_BUILD
#define BUILD_BITS 64
#else
#define BUILD_BITS 32
#endif
#define LIBOVR_PRODUCT_VERSION 0
#define LIBOVR_MAJOR_VERSION 5
#define LIBOVR_MINOR_VERSION 0
static bool
InitializeOculusCAPI()
{
static PRLibrary *ovrlib = nullptr;
if (!ovrlib) {
nsTArray<nsCString> libSearchPaths;
nsCString libName;
nsCString searchPath;
#if defined(_WIN32)
static const char dirSep = '\\';
#else
static const char dirSep = '/';
#endif
#if defined(_WIN32)
static const int pathLen = 260;
searchPath.SetCapacity(pathLen);
int realLen = ::GetSystemDirectoryA(searchPath.BeginWriting(), pathLen);
if (realLen != 0 && realLen < pathLen) {
searchPath.SetLength(realLen);
libSearchPaths.AppendElement(searchPath);
}
libName.AppendPrintf("LibOVRRT%d_%d_%d.dll", BUILD_BITS, LIBOVR_PRODUCT_VERSION, LIBOVR_MAJOR_VERSION);
#elif defined(__APPLE__)
searchPath.Truncate();
searchPath.AppendPrintf("/Library/Frameworks/LibOVRRT_%d.framework/Versions/%d", LIBOVR_PRODUCT_VERSION, LIBOVR_MAJOR_VERSION);
libSearchPaths.AppendElement(searchPath);
if (PR_GetEnv("HOME")) {
searchPath.Truncate();
searchPath.AppendPrintf("%s/Library/Frameworks/LibOVRRT_%d.framework/Versions/%d", PR_GetEnv("HOME"), LIBOVR_PRODUCT_VERSION, LIBOVR_MAJOR_VERSION);
libSearchPaths.AppendElement(searchPath);
}
// The following will match the va_list overload of AppendPrintf if the product version is 0
// That's bad times.
//libName.AppendPrintf("LibOVRRT_%d", LIBOVR_PRODUCT_VERSION);
libName.Append("LibOVRRT_");
libName.AppendInt(LIBOVR_PRODUCT_VERSION);
#else
libSearchPaths.AppendElement(nsCString("/usr/local/lib"));
libSearchPaths.AppendElement(nsCString("/usr/lib"));
libName.AppendPrintf("libOVRRT%d_%d.so.%d", BUILD_BITS, LIBOVR_PRODUCT_VERSION, LIBOVR_MAJOR_VERSION);
#endif
// If the pref is present, we override libName
nsAdoptingCString prefLibPath = mozilla::Preferences::GetCString("dom.vr.ovr_lib_path");
if (prefLibPath && prefLibPath.get()) {
libSearchPaths.InsertElementsAt(0, 1, prefLibPath);
}
nsAdoptingCString prefLibName = mozilla::Preferences::GetCString("dom.vr.ovr_lib_name");
if (prefLibName && prefLibName.get()) {
libName.Assign(prefLibName);
}
// search the path/module dir
libSearchPaths.InsertElementsAt(0, 1, nsCString());
// If the env var is present, we override libName
if (PR_GetEnv("OVR_LIB_PATH")) {
searchPath = PR_GetEnv("OVR_LIB_PATH");
libSearchPaths.InsertElementsAt(0, 1, searchPath);
}
if (PR_GetEnv("OVR_LIB_NAME")) {
libName = PR_GetEnv("OVR_LIB_NAME");
}
for (uint32_t i = 0; i < libSearchPaths.Length(); ++i) {
nsCString& libPath = libSearchPaths[i];
nsCString fullName;
if (libPath.Length() == 0) {
fullName.Assign(libName);
} else {
fullName.AppendPrintf("%s%c%s", libPath.BeginReading(), dirSep, libName.BeginReading());
}
ovrlib = PR_LoadLibrary(fullName.BeginReading());
if (ovrlib)
break;
}
if (!ovrlib) {
printf_stderr("Failed to load Oculus VR library!\n");
return false;
}
}
// was it already initialized?
if (ovr_Initialize)
return true;
#define REQUIRE_FUNCTION(_x) do { \
*(void **)&_x = (void *) PR_FindSymbol(ovrlib, #_x); \
if (!_x) { printf_stderr(#_x " symbol missing\n"); goto fail; } \
} while (0)
REQUIRE_FUNCTION(ovr_Initialize);
REQUIRE_FUNCTION(ovr_Shutdown);
REQUIRE_FUNCTION(ovrHmd_Detect);
REQUIRE_FUNCTION(ovrHmd_Create);
REQUIRE_FUNCTION(ovrHmd_Destroy);
REQUIRE_FUNCTION(ovrHmd_CreateDebug);
REQUIRE_FUNCTION(ovrHmd_GetLastError);
REQUIRE_FUNCTION(ovrHmd_AttachToWindow);
REQUIRE_FUNCTION(ovrHmd_GetEnabledCaps);
REQUIRE_FUNCTION(ovrHmd_SetEnabledCaps);
REQUIRE_FUNCTION(ovrHmd_ConfigureTracking);
REQUIRE_FUNCTION(ovrHmd_RecenterPose);
REQUIRE_FUNCTION(ovrHmd_GetTrackingState);
REQUIRE_FUNCTION(ovrHmd_GetFovTextureSize);
REQUIRE_FUNCTION(ovrHmd_GetRenderDesc);
REQUIRE_FUNCTION(ovrHmd_CreateDistortionMesh);
REQUIRE_FUNCTION(ovrHmd_DestroyDistortionMesh);
REQUIRE_FUNCTION(ovrHmd_GetRenderScaleAndOffset);
REQUIRE_FUNCTION(ovrHmd_GetFrameTiming);
REQUIRE_FUNCTION(ovrHmd_BeginFrameTiming);
REQUIRE_FUNCTION(ovrHmd_EndFrameTiming);
REQUIRE_FUNCTION(ovrHmd_ResetFrameTiming);
REQUIRE_FUNCTION(ovrHmd_GetEyePoses);
REQUIRE_FUNCTION(ovrHmd_GetHmdPosePerEye);
REQUIRE_FUNCTION(ovrHmd_GetEyeTimewarpMatrices);
REQUIRE_FUNCTION(ovrMatrix4f_Projection);
REQUIRE_FUNCTION(ovrMatrix4f_OrthoSubProjection);
REQUIRE_FUNCTION(ovr_GetTimeInSeconds);
#undef REQUIRE_FUNCTION
return true;
fail:
ovr_Initialize = nullptr;
return false;
}
#else
// we're statically linked; it's available
static bool InitializeOculusCAPI()
{
return true;
}
#endif
ovrFovPort
ToFovPort(const VRFieldOfView& aFOV)
{
ovrFovPort fovPort;
fovPort.LeftTan = tan(aFOV.leftDegrees * M_PI / 180.0);
fovPort.RightTan = tan(aFOV.rightDegrees * M_PI / 180.0);
fovPort.UpTan = tan(aFOV.upDegrees * M_PI / 180.0);
fovPort.DownTan = tan(aFOV.downDegrees * M_PI / 180.0);
return fovPort;
}
VRFieldOfView
FromFovPort(const ovrFovPort& aFOV)
{
VRFieldOfView fovInfo;
fovInfo.leftDegrees = atan(aFOV.LeftTan) * 180.0 / M_PI;
fovInfo.rightDegrees = atan(aFOV.RightTan) * 180.0 / M_PI;
fovInfo.upDegrees = atan(aFOV.UpTan) * 180.0 / M_PI;
fovInfo.downDegrees = atan(aFOV.DownTan) * 180.0 / M_PI;
return fovInfo;
}
} // anonymous namespace
HMDInfoOculus050::HMDInfoOculus050(ovrHmd aHMD)
: VRHMDInfo(VRHMDType::Oculus050)
, mHMD(aHMD)
, mStartCount(0)
{
MOZ_ASSERT(sizeof(HMDInfoOculus050::DistortionVertex) == sizeof(VRDistortionVertex),
"HMDInfoOculus050::DistortionVertex must match the size of VRDistortionVertex");
MOZ_COUNT_CTOR_INHERITED(HMDInfoOculus050, VRHMDInfo);
mDeviceName.AssignLiteral("Oculus VR HMD (0.5.0)");
mSupportedSensorBits = 0;
if (mHMD->TrackingCaps & ovrTrackingCap_Orientation)
mSupportedSensorBits |= State_Orientation;
if (mHMD->TrackingCaps & ovrTrackingCap_Position)
mSupportedSensorBits |= State_Position;
mRecommendedEyeFOV[Eye_Left] = FromFovPort(mHMD->DefaultEyeFov[ovrEye_Left]);
mRecommendedEyeFOV[Eye_Right] = FromFovPort(mHMD->DefaultEyeFov[ovrEye_Right]);
mMaximumEyeFOV[Eye_Left] = FromFovPort(mHMD->MaxEyeFov[ovrEye_Left]);
mMaximumEyeFOV[Eye_Right] = FromFovPort(mHMD->MaxEyeFov[ovrEye_Right]);
SetFOV(mRecommendedEyeFOV[Eye_Left], mRecommendedEyeFOV[Eye_Right], 0.01, 10000.0);
nsCOMPtr<nsIScreenManager> screenmgr = do_GetService("@mozilla.org/gfx/screenmanager;1");
if (screenmgr) {
#if 1
if (getenv("FAKE_OCULUS_SCREEN")) {
const char *env = getenv("FAKE_OCULUS_SCREEN");
nsresult err;
int32_t xcoord = nsCString(env).ToInteger(&err);
if (err != NS_OK) xcoord = 0;
mScreen = VRHMDManager::MakeFakeScreen(xcoord, 0, 1920, 1080);
} else
#endif
{
screenmgr->ScreenForRect(mHMD->WindowsPos.x, mHMD->WindowsPos.y,
mHMD->Resolution.w, mHMD->Resolution.h,
getter_AddRefs(mScreen));
}
}
}
void
HMDInfoOculus050::Destroy()
{
if (mHMD) {
ovrHmd_Destroy(mHMD);
mHMD = nullptr;
}
}
bool
HMDInfoOculus050::SetFOV(const VRFieldOfView& aFOVLeft, const VRFieldOfView& aFOVRight,
double zNear, double zFar)
{
float pixelsPerDisplayPixel = 1.0;
ovrSizei texSize[2];
uint32_t caps = ovrDistortionCap_Chromatic | ovrDistortionCap_Vignette; // XXX TODO add TimeWarp
// get eye parameters and create the mesh
for (uint32_t eye = 0; eye < NumEyes; eye++) {
mEyeFOV[eye] = eye == 0 ? aFOVLeft : aFOVRight;
mFOVPort[eye] = ToFovPort(mEyeFOV[eye]);
ovrEyeRenderDesc renderDesc = ovrHmd_GetRenderDesc(mHMD, (ovrEyeType) eye, mFOVPort[eye]);
// these values are negated so that content can add the adjustment to its camera position,
// instead of subtracting
mEyeTranslation[eye] = Point3D(-renderDesc.HmdToEyeViewOffset.x, -renderDesc.HmdToEyeViewOffset.y, -renderDesc.HmdToEyeViewOffset.z);
// note that we are using a right-handed coordinate system here, to match CSS
mEyeProjectionMatrix[eye] = mEyeFOV[eye].ConstructProjectionMatrix(zNear, zFar, true);
texSize[eye] = ovrHmd_GetFovTextureSize(mHMD, (ovrEyeType) eye, mFOVPort[eye], pixelsPerDisplayPixel);
ovrDistortionMesh mesh;
bool ok = ovrHmd_CreateDistortionMesh(mHMD, (ovrEyeType) eye, mFOVPort[eye], caps, &mesh);
if (!ok)
return false;
mDistortionMesh[eye].mVertices.SetLength(mesh.VertexCount);
mDistortionMesh[eye].mIndices.SetLength(mesh.IndexCount);
ovrDistortionVertex *srcv = mesh.pVertexData;
HMDInfoOculus050::DistortionVertex *destv = reinterpret_cast<HMDInfoOculus050::DistortionVertex*>(mDistortionMesh[eye].mVertices.Elements());
memset(destv, 0, mesh.VertexCount * sizeof(VRDistortionVertex));
for (uint32_t i = 0; i < mesh.VertexCount; ++i) {
destv[i].pos[0] = srcv[i].ScreenPosNDC.x;
destv[i].pos[1] = srcv[i].ScreenPosNDC.y;
destv[i].texR[0] = srcv[i].TanEyeAnglesR.x;
destv[i].texR[1] = srcv[i].TanEyeAnglesR.y;
destv[i].texG[0] = srcv[i].TanEyeAnglesG.x;
destv[i].texG[1] = srcv[i].TanEyeAnglesG.y;
destv[i].texB[0] = srcv[i].TanEyeAnglesB.x;
destv[i].texB[1] = srcv[i].TanEyeAnglesB.y;
destv[i].genericAttribs[0] = srcv[i].VignetteFactor;
destv[i].genericAttribs[1] = srcv[i].TimeWarpFactor;
}
memcpy(mDistortionMesh[eye].mIndices.Elements(), mesh.pIndexData, mesh.IndexCount * sizeof(uint16_t));
ovrHmd_DestroyDistortionMesh(&mesh);
}
// take the max of both for eye resolution
mEyeResolution.width = std::max(texSize[Eye_Left].w, texSize[Eye_Right].w);
mEyeResolution.height = std::max(texSize[Eye_Left].h, texSize[Eye_Right].h);
mConfiguration.hmdType = mType;
mConfiguration.value = 0;
mConfiguration.fov[0] = aFOVLeft;
mConfiguration.fov[1] = aFOVRight;
return true;
}
void
HMDInfoOculus050::FillDistortionConstants(uint32_t whichEye,
const IntSize& textureSize,
const IntRect& eyeViewport,
const Size& destViewport,
const Rect& destRect,
VRDistortionConstants& values)
{
ovrSizei texSize = { textureSize.width, textureSize.height };
ovrRecti eyePort = { { eyeViewport.x, eyeViewport.y }, { eyeViewport.width, eyeViewport.height } };
ovrVector2f scaleOut[2];
ovrHmd_GetRenderScaleAndOffset(mFOVPort[whichEye], texSize, eyePort, scaleOut);
values.eyeToSourceScaleAndOffset[0] = scaleOut[1].x;
values.eyeToSourceScaleAndOffset[1] = scaleOut[1].y;
values.eyeToSourceScaleAndOffset[2] = scaleOut[0].x;
values.eyeToSourceScaleAndOffset[3] = scaleOut[0].y;
// These values are in clip space [-1..1] range, but we're providing
// scaling in the 0..2 space for sanity.
// this is the destRect in clip space
float x0 = destRect.x / destViewport.width * 2.0 - 1.0;
float x1 = (destRect.x + destRect.width) / destViewport.width * 2.0 - 1.0;
float y0 = destRect.y / destViewport.height * 2.0 - 1.0;
float y1 = (destRect.y + destRect.height) / destViewport.height * 2.0 - 1.0;
// offset
values.destinationScaleAndOffset[0] = (x0+x1) / 2.0;
values.destinationScaleAndOffset[1] = (y0+y1) / 2.0;
// scale
values.destinationScaleAndOffset[2] = destRect.width / destViewport.width;
values.destinationScaleAndOffset[3] = destRect.height / destViewport.height;
}
bool
HMDInfoOculus050::StartSensorTracking()
{
if (mStartCount == 0) {
bool ok = ovrHmd_ConfigureTracking(mHMD, ovrTrackingCap_Orientation | ovrTrackingCap_Position, 0);
if (!ok)
return false;
}
mStartCount++;
return true;
}
void
HMDInfoOculus050::StopSensorTracking()
{
if (--mStartCount == 0) {
ovrHmd_ConfigureTracking(mHMD, 0, 0);
}
}
void
HMDInfoOculus050::ZeroSensor()
{
ovrHmd_RecenterPose(mHMD);
}
VRHMDSensorState
HMDInfoOculus050::GetSensorState(double timeOffset)
{
VRHMDSensorState result;
result.Clear();
// XXX this is the wrong time base for timeOffset; we need to figure out how to synchronize
// the Oculus time base and the browser one.
ovrTrackingState state = ovrHmd_GetTrackingState(mHMD, ovr_GetTimeInSeconds() + timeOffset);
ovrPoseStatef& pose(state.HeadPose);
result.timestamp = pose.TimeInSeconds;
if (state.StatusFlags & ovrStatus_OrientationTracked) {
result.flags |= State_Orientation;
result.orientation[0] = pose.ThePose.Orientation.x;
result.orientation[1] = pose.ThePose.Orientation.y;
result.orientation[2] = pose.ThePose.Orientation.z;
result.orientation[3] = pose.ThePose.Orientation.w;
result.angularVelocity[0] = pose.AngularVelocity.x;
result.angularVelocity[1] = pose.AngularVelocity.y;
result.angularVelocity[2] = pose.AngularVelocity.z;
result.angularAcceleration[0] = pose.AngularAcceleration.x;
result.angularAcceleration[1] = pose.AngularAcceleration.y;
result.angularAcceleration[2] = pose.AngularAcceleration.z;
}
if (state.StatusFlags & ovrStatus_PositionTracked) {
result.flags |= State_Position;
result.position[0] = pose.ThePose.Position.x;
result.position[1] = pose.ThePose.Position.y;
result.position[2] = pose.ThePose.Position.z;
result.linearVelocity[0] = pose.LinearVelocity.x;
result.linearVelocity[1] = pose.LinearVelocity.y;
result.linearVelocity[2] = pose.LinearVelocity.z;
result.linearAcceleration[0] = pose.LinearAcceleration.x;
result.linearAcceleration[1] = pose.LinearAcceleration.y;
result.linearAcceleration[2] = pose.LinearAcceleration.z;
}
return result;
}
bool
VRHMDManagerOculus050::PlatformInit()
{
if (mOculusPlatformInitialized)
return true;
if (!gfxPrefs::VREnabled())
return false;
if (!InitializeOculusCAPI())
return false;
ovrInitParams params;
params.Flags = ovrInit_RequestVersion;
params.RequestedMinorVersion = LIBOVR_MINOR_VERSION;
params.LogCallback = nullptr;
params.ConnectionTimeoutMS = 0;
bool ok = ovr_Initialize(&params);
if (!ok)
return false;
mOculusPlatformInitialized = true;
return true;
}
bool
VRHMDManagerOculus050::Init()
{
if (mOculusInitialized)
return true;
if (!PlatformInit())
return false;
int count = ovrHmd_Detect();
for (int i = 0; i < count; ++i) {
ovrHmd hmd = ovrHmd_Create(i);
if (hmd) {
nsRefPtr<HMDInfoOculus050> oc = new HMDInfoOculus050(hmd);
mOculusHMDs.AppendElement(oc);
}
}
// VRAddTestDevices == 1: add test device only if no real devices present
// VRAddTestDevices == 2: add test device always
if ((count == 0 && gfxPrefs::VRAddTestDevices() == 1) ||
(gfxPrefs::VRAddTestDevices() == 2))
{
ovrHmd hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
if (hmd) {
nsRefPtr<HMDInfoOculus050> oc = new HMDInfoOculus050(hmd);
mOculusHMDs.AppendElement(oc);
}
}
mOculusInitialized = true;
return true;
}
void
VRHMDManagerOculus050::Destroy()
{
if (!mOculusInitialized)
return;
for (size_t i = 0; i < mOculusHMDs.Length(); ++i) {
mOculusHMDs[i]->Destroy();
}
mOculusHMDs.Clear();
ovr_Shutdown();
mOculusInitialized = false;
}
void
VRHMDManagerOculus050::GetHMDs(nsTArray<nsRefPtr<VRHMDInfo>>& aHMDResult)
{
Init();
for (size_t i = 0; i < mOculusHMDs.Length(); ++i) {
aHMDResult.AppendElement(mOculusHMDs[i]);
}
}

85
gfx/vr/gfxVROculus050.h Normal file
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@ -0,0 +1,85 @@
/* -*- 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_OCULUS_050_H
#define GFX_VR_OCULUS_050_H
#include "nsTArray.h"
#include "nsIScreen.h"
#include "nsCOMPtr.h"
#include "mozilla/nsRefPtr.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/EnumeratedArray.h"
#include "gfxVR.h"
#include "ovr_capi_dynamic050.h"
namespace mozilla {
namespace gfx {
namespace impl {
class HMDInfoOculus050 : public VRHMDInfo {
public:
explicit HMDInfoOculus050(ovr050::ovrHmd aHMD);
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();
protected:
// must match the size of VRDistortionVertex
struct DistortionVertex {
float pos[2];
float texR[2];
float texG[2];
float texB[2];
float genericAttribs[4];
};
virtual ~HMDInfoOculus050() {
Destroy();
MOZ_COUNT_DTOR_INHERITED(HMDInfoOculus050, VRHMDInfo);
}
ovr050::ovrHmd mHMD;
ovr050::ovrFovPort mFOVPort[2];
uint32_t mStartCount;
};
} // namespace impl
class VRHMDManagerOculus050 : public VRHMDManager
{
public:
VRHMDManagerOculus050()
: mOculusInitialized(false), mOculusPlatformInitialized(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::HMDInfoOculus050>> mOculusHMDs;
bool mOculusInitialized;
bool mOculusPlatformInitialized;
};
} // namespace gfx
} // namespace mozilla
#endif /* GFX_VR_OCULUS_050_H */

4
gfx/vr/moz.build
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@ -18,6 +18,10 @@ UNIFIED_SOURCES += [
'gfxVROculus.cpp',
]
SOURCES += [
'gfxVROculus050.cpp',
]
# For building with the real SDK instead of our local hack
#SOURCES += [
# 'OVR_CAPI_Util.cpp',

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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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/. */
/* This file contains just the needed struct definitions for
* interacting with the Oculus VR C API, without needing to #include
* OVR_CAPI.h directly. Note that it uses the same type names as the
* CAPI, and cannot be #included at the same time as OVR_CAPI.h. It
* does not include the entire C API, just want's needed.
*/
#ifndef mozilla_ovr_capi_dynamic050_h_
#define mozilla_ovr_capi_dynamic050_h_
#define OVR_CAPI_050_LIMITED_MOZILLA 1
#if defined(_WIN32)
#define OVR_PFN __cdecl
#else
#define OVR_PFN
#endif
#if !defined(OVR_ALIGNAS)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 408) && (defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L))
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__clang__) && !defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 300) && (__cplusplus >= 201103L)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__clang__) && defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 401) && (__cplusplus >= 201103L)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(_MSC_VER) && (_MSC_VER >= 1900)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__EDG_VERSION__) && (__EDG_VERSION__ >= 408)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__GNUC__) || defined(__clang__)
#define OVR_ALIGNAS(n) __attribute__((aligned(n)))
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define OVR_ALIGNAS(n) __declspec(align(n))
#else
#error Need to define OVR_ALIGNAS
#endif
#endif
namespace ovr050 {
typedef char ovrBool;
typedef struct { int x, y; } ovrVector2i;
typedef struct { int w, h; } ovrSizei;
typedef struct { ovrVector2i Pos; ovrSizei Size; } ovrRecti;
typedef struct { float x, y, z, w; } ovrQuatf;
typedef struct { float x, y; } ovrVector2f;
typedef struct { float x, y, z; } ovrVector3f;
typedef struct { float M[4][4]; } ovrMatrix4f;
typedef struct {
ovrQuatf Orientation;
ovrVector3f Position;
} ovrPosef;
typedef struct OVR_ALIGNAS(8) {
ovrPosef ThePose;
ovrVector3f AngularVelocity;
ovrVector3f LinearVelocity;
ovrVector3f AngularAcceleration;
ovrVector3f LinearAcceleration;
float Pad;
double TimeInSeconds;
} ovrPoseStatef;
typedef struct {
float UpTan;
float DownTan;
float LeftTan;
float RightTan;
} ovrFovPort;
typedef enum {
ovrHmd_None = 0,
ovrHmd_DK1 = 3,
ovrHmd_DKHD = 4,
ovrHmd_DK2 = 6,
ovrHmd_BlackStar = 7,
ovrHmd_CB = 8,
ovrHmd_Other = 9,
ovrHmd_EnumSize = 0x7fffffff
} ovrHmdType;
typedef enum {
ovrHmdCap_Present = 0x0001,
ovrHmdCap_Available = 0x0002,
ovrHmdCap_Captured = 0x0004,
ovrHmdCap_ExtendDesktop = 0x0008,
ovrHmdCap_DebugDevice = 0x0010,
ovrHmdCap_DisplayOff = 0x0040,
ovrHmdCap_LowPersistence = 0x0080,
ovrHmdCap_DynamicPrediction = 0x0200,
ovrHmdCap_NoVSync = 0x1000,
ovrHmdCap_NoMirrorToWindow = 0x2000
} ovrHmdCapBits;
typedef enum
{
ovrTrackingCap_Orientation = 0x0010,
ovrTrackingCap_MagYawCorrection = 0x0020,
ovrTrackingCap_Position = 0x0040,
ovrTrackingCap_Idle = 0x0100,
ovrTrackingCap_EnumSize = 0x7fffffff
} ovrTrackingCaps;
typedef enum {
ovrDistortionCap_Chromatic = 0x01,
ovrDistortionCap_TimeWarp = 0x02,
ovrDistortionCap_Vignette = 0x08,
ovrDistortionCap_NoRestore = 0x10,
ovrDistortionCap_FlipInput = 0x20,
ovrDistortionCap_SRGB = 0x40,
ovrDistortionCap_Overdrive = 0x80,
ovrDistortionCap_HqDistortion = 0x100,
ovrDistortionCap_LinuxDevFullscreen = 0x200,
ovrDistortionCap_ComputeShader = 0x400,
ovrDistortionCap_TimewarpJitDelay = 0x1000,
ovrDistortionCap_ProfileNoSpinWaits = 0x10000,
ovrDistortionCap_EnumSize = 0x7fffffff
} ovrDistortionCaps;
typedef enum {
ovrEye_Left = 0,
ovrEye_Right = 1,
ovrEye_Count = 2,
ovrEye_EnumSize = 0x7fffffff
} ovrEyeType;
typedef struct ovrHmdDesc_ {
void* Handle;
ovrHmdType Type;
const char* ProductName;
const char* Manufacturer;
short VendorId;
short ProductId;
char SerialNumber[24];
short FirmwareMajor;
short FirmwareMinor;
float CameraFrustumHFovInRadians;
float CameraFrustumVFovInRadians;
float CameraFrustumNearZInMeters;
float CameraFrustumFarZInMeters;
unsigned int HmdCaps;
unsigned int TrackingCaps;
unsigned int DistortionCaps;
ovrFovPort DefaultEyeFov[ovrEye_Count];
ovrFovPort MaxEyeFov[ovrEye_Count];
ovrEyeType EyeRenderOrder[ovrEye_Count];
ovrSizei Resolution;
ovrVector2i WindowsPos;
const char* DisplayDeviceName;
int DisplayId;
} ovrHmdDesc;
typedef const ovrHmdDesc* ovrHmd;
typedef enum {
ovrStatus_OrientationTracked = 0x0001,
ovrStatus_PositionTracked = 0x0002,
ovrStatus_CameraPoseTracked = 0x0004,
ovrStatus_PositionConnected = 0x0020,
ovrStatus_HmdConnected = 0x0080,
ovrStatus_EnumSize = 0x7fffffff
} ovrStatusBits;
typedef struct ovrSensorData_ {
ovrVector3f Accelerometer;
ovrVector3f Gyro;
ovrVector3f Magnetometer;
float Temperature;
float TimeInSeconds;
} ovrSensorData;
typedef struct ovrTrackingState_ {
ovrPoseStatef HeadPose;
ovrPosef CameraPose;
ovrPosef LeveledCameraPose;
ovrSensorData RawSensorData;
unsigned int StatusFlags;
double LastVisionProcessingTime;
uint32_t LastCameraFrameCounter;
uint32_t Pad;
} ovrTrackingState;
typedef struct OVR_ALIGNAS(8) ovrFrameTiming_ {
float DeltaSeconds;
float Pad;
double ThisFrameSeconds;
double TimewarpPointSeconds;
double NextFrameSeconds;
double ScanoutMidpointSeconds;
double EyeScanoutSeconds[2];
} ovrFrameTiming;
typedef struct ovrEyeRenderDesc_ {
ovrEyeType Eye;
ovrFovPort Fov;
ovrRecti DistortedViewport;
ovrVector2f PixelsPerTanAngleAtCenter;
ovrVector3f HmdToEyeViewOffset;
} ovrEyeRenderDesc;
typedef struct ovrDistortionVertex_ {
ovrVector2f ScreenPosNDC;
float TimeWarpFactor;
float VignetteFactor;
ovrVector2f TanEyeAnglesR;
ovrVector2f TanEyeAnglesG;
ovrVector2f TanEyeAnglesB;
} ovrDistortionVertex;
typedef struct ovrDistortionMesh_ {
ovrDistortionVertex* pVertexData;
unsigned short* pIndexData;
unsigned int VertexCount;
unsigned int IndexCount;
} ovrDistortionMesh;
typedef enum {
ovrInit_Debug = 0x00000001,
ovrInit_ServerOptional = 0x00000002,
ovrInit_RequestVersion = 0x00000004,
ovrInit_ForceNoDebug = 0x00000008
} ovrInitFlags;
typedef enum {
ovrLogLevel_Debug = 0,
ovrLogLevel_Info = 1,
ovrLogLevel_Error = 2
} ovrLogLevel;
typedef void (OVR_PFN *ovrLogCallback)(int level, const char* message);
typedef struct {
uint32_t Flags;
uint32_t RequestedMinorVersion;
ovrLogCallback LogCallback;
uint32_t ConnectionTimeoutMS;
} ovrInitParams;
extern "C" {
typedef ovrBool (OVR_PFN *pfn_ovr_Initialize)(ovrInitParams const* params);
typedef void (OVR_PFN *pfn_ovr_Shutdown)();
typedef int (OVR_PFN *pfn_ovrHmd_Detect)();
typedef ovrHmd (OVR_PFN *pfn_ovrHmd_Create)(int index);
typedef void (OVR_PFN *pfn_ovrHmd_Destroy)(ovrHmd hmd);
typedef ovrHmd (OVR_PFN *pfn_ovrHmd_CreateDebug)(ovrHmdType type);
typedef const char* (OVR_PFN *pfn_ovrHmd_GetLastError)(ovrHmd hmd);
typedef ovrBool (OVR_PFN *pfn_ovrHmd_AttachToWindow)(ovrHmd hmd, void* window, const ovrRecti* destMirrorRect, const ovrRecti* sourceRenderTargetRect);
typedef unsigned int (OVR_PFN *pfn_ovrHmd_GetEnabledCaps)(ovrHmd hmd);
typedef void (OVR_PFN *pfn_ovrHmd_SetEnabledCaps)(ovrHmd hmd, unsigned int hmdCaps);
typedef ovrBool (OVR_PFN *pfn_ovrHmd_ConfigureTracking)(ovrHmd hmd, unsigned int supportedTrackingCaps, unsigned int requiredTrackingCaps);
typedef void (OVR_PFN *pfn_ovrHmd_RecenterPose)(ovrHmd hmd);
typedef ovrTrackingState (OVR_PFN *pfn_ovrHmd_GetTrackingState)(ovrHmd hmd, double absTime);
typedef ovrSizei (OVR_PFN *pfn_ovrHmd_GetFovTextureSize)(ovrHmd hmd, ovrEyeType eye, ovrFovPort fov, float pixelsPerDisplayPixel);
typedef ovrEyeRenderDesc (OVR_PFN *pfn_ovrHmd_GetRenderDesc)(ovrHmd hmd, ovrEyeType eyeType, ovrFovPort fov);
typedef ovrBool (OVR_PFN *pfn_ovrHmd_CreateDistortionMesh)(ovrHmd hmd, ovrEyeType eyeType, ovrFovPort fov, unsigned int distortionCaps, ovrDistortionMesh *meshData);
typedef void (OVR_PFN *pfn_ovrHmd_DestroyDistortionMesh)(ovrDistortionMesh* meshData);
typedef void (OVR_PFN *pfn_ovrHmd_GetRenderScaleAndOffset)(ovrFovPort fov, ovrSizei textureSize, ovrRecti renderViewport, ovrVector2f uvScaleOffsetOut[2]);
typedef ovrFrameTiming (OVR_PFN *pfn_ovrHmd_GetFrameTiming)(ovrHmd hmd, unsigned int frameIndex);
typedef ovrFrameTiming (OVR_PFN *pfn_ovrHmd_BeginFrameTiming)(ovrHmd hmd, unsigned int frameIndex);
typedef void (OVR_PFN *pfn_ovrHmd_EndFrameTiming)(ovrHmd hmd);
typedef void (OVR_PFN *pfn_ovrHmd_ResetFrameTiming)(ovrHmd hmd, unsigned int frameIndex, bool vsync);
typedef void (OVR_PFN *pfn_ovrHmd_GetEyePoses)(ovrHmd hmd, unsigned int frameIndex, ovrVector3f hmdToEyeViewOffset[2], ovrPosef outEyePoses[2], ovrTrackingState* outHmdTrackingState);
typedef ovrPosef (OVR_PFN *pfn_ovrHmd_GetHmdPosePerEye)(ovrHmd hmd, ovrEyeType eye);
typedef void (OVR_PFN *pfn_ovrHmd_GetEyeTimewarpMatrices)(ovrHmd hmd, ovrEyeType eye, ovrPosef renderPose, ovrMatrix4f twmOut[2]);
typedef ovrMatrix4f (OVR_PFN *pfn_ovrMatrix4f_Projection) (ovrFovPort fov, float znear, float zfar, ovrBool rightHanded );
typedef ovrMatrix4f (OVR_PFN *pfn_ovrMatrix4f_OrthoSubProjection) (ovrFovPort fov, ovrVector2f orthoScale, float orthoDistance, float eyeViewAdjustX);
typedef double (OVR_PFN *pfn_ovr_GetTimeInSeconds)();
} // extern "C"
} // namespace ovr050
#endif /* mozilla_ovr_capi_dynamic050_h_ */