bool Ocudump::ovrHmdCreateVersioned()
{
#if defined(OVRSDK5)
hmd = ovrHmd_Create(0);
return hmd ? true : false;
#elif defined(OVRSDK6)
return (ovrHmd_Create(0, &hmd)==ovrSuccess);
#endif
}
void OVRSDK06AppSkeleton::initHMD()
{
ovrInitParams initParams = { 0 };
if (ovrSuccess != ovr_Initialize(NULL))
{
LOG_INFO("Failed to initialize the Oculus SDK");
}
if (ovrSuccess != ovrHmd_Create(0, &m_Hmd))
{
LOG_INFO("Could not create HMD");
if (ovrSuccess != ovrHmd_CreateDebug(ovrHmd_DK2, &m_Hmd))
{
LOG_ERROR("Could not create Debug HMD");
}
m_usingDebugHmd = true;
}
const ovrBool ret = ovrHmd_ConfigureTracking(m_Hmd,
ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection | ovrTrackingCap_Position,
ovrTrackingCap_Orientation);
if (!OVR_SUCCESS(ret))
{
LOG_ERROR("Error calling ovrHmd_ConfigureTracking");
}
}
//======================================================================================
// Oculus Rift使用の初期化
//======================================================================================
int InitOculusRift()
{
// LibOVRの初期化
ovr_Initialize();
// 接続されている HMD を取得
HMD = ovrHmd_Create(0);
if (!HMD)
{
// 存在しなかった
MessageBoxA(NULL, "Oculus Riftがみつかりませんでした。", "", MB_OK);
return(1);
}
// HMDの詳細情報を取得
ovrHmd_GetDesc(HMD, &HMDDesc);
if (HMDDesc.DisplayDeviceName[0] == '\0')
{
// HMDは存在したが該当するディスプレイがなかった。
MessageBoxA(NULL, "Oculus Riftはみつかりましたが出力先ディスプレイがみつかりませんでした。", "", MB_OK);
}
return 0;
}
/**
* ERRORCODE 0 => OK
* ERRORCODE 1 => No HMD found
* ERRORCODE 2 => Sensor Start failed
*/
int init_ovr(){
// Init the OVR library
ovr_Initialize();
// Create the software device and connect the physical device
hmd = ovrHmd_Create(0);
//if (!hmd) hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
if (!hmd)
return 1;
// Starts the sensor input with check required Capabilities
if ( !ovrHmd_ConfigureTracking(hmd, hmd->TrackingCaps, hmd->TrackingCaps) )
return 2;
if ( mode == MODE_DEBUG ){
recommendedTex0Size = OVR::Sizei ( 1280, 720 );
recommendedTex1Size = OVR::Sizei ( 1280, 720 );
renderTargetSize.w = 1280;
renderTargetSize.h = 720;
}else{
//Configuring the Texture size (bigger than screen for barreldistortion)
recommendedTex0Size = ovrHmd_GetFovTextureSize(hmd, ovrEye_Left, hmd->DefaultEyeFov[0], 1.0f);
recommendedTex1Size = ovrHmd_GetFovTextureSize(hmd, ovrEye_Right, hmd->DefaultEyeFov[1], 1.0f);
renderTargetSize.w = recommendedTex0Size.w + recommendedTex1Size.w;
renderTargetSize.h = std::max( recommendedTex0Size.h, recommendedTex1Size.h );
}
return 0;
}
int OVRInitialize(int debug)
{
unsigned int supportedTrackingCaps =
ovrTrackingCap_Orientation|
ovrTrackingCap_MagYawCorrection|
ovrTrackingCap_Position;
ovrHmdType debugHMDType = ovrHmd_None;
if ( debug != 0 ) {
debugHMDType = (debug == 1 ? ovrHmd_DK1 : debug == 2 ? ovrHmd_DK2 : ovrHmd_Other);
}
if ( ! ovr_Initialize() ) {
return 0;
}
_OVRGlobals.HMD = ovrHmd_Create(0);
// no HMD? check for vr_debug and attempt to create a debug HMD
if ( ! _OVRGlobals.HMD && (
! ( debugHMDType != ovrHmd_None ) ||
! ( _OVRGlobals.HMD = ovrHmd_CreateDebug( debugHMDType ) ) ) ) {
return 0;
}
if ( ! ovrHmd_ConfigureTracking( _OVRGlobals.HMD, supportedTrackingCaps, ovrTrackingCap_Orientation ) ) {
return 0;
}
return 1;
}
void gkOculus::OnFrameBegin()
{
if(HMD)
{
ovrHmd_BeginFrameTiming(HMD, 0);
}
else
{
HMD = ovrHmd_Create(0, 0.01f);
if (!HMD)
{
//MessageBoxA(NULL, "Oculus Rift not detected.", "", MB_OK);
//return(1);
return;
}
if (HMD->ProductName[0] == '\0')
{
//MessageBoxA(NULL, "Rift detected, display not enabled.", "", MB_OK);
return;
}
InitHMD();
}
}
void OculusInterface::initOculus(float _devicePixelAspect)
{
m_devicePixelAspect=_devicePixelAspect;
std::cout<<"setting device aspect "<<m_devicePixelAspect<<"\n";
m_hmd = ovrHmd_Create(0);
if (!m_hmd)
{
std::cerr<<"Unable to create HMD: "<< ovrHmd_GetLastError(NULL)<<std::endl;
std::cerr<<"Attempting to run without HMD\n";
// If we didn't detect an Hmd, create a simulated one for debugging.
m_hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
if (!m_hmd)
{ // Failed Hmd creation.
exit(EXIT_FAILURE);
}
}
m_windowWidth=m_hmd->Resolution.w;
m_windowHeight=m_hmd->Resolution.h;
oculusDebug();
// Start the sensor which provides the Rift’s pose and motion.
ovrHmd_ConfigureTracking(m_hmd, ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection | ovrTrackingCap_Position, 0);
// let's fill in some info about oculus
m_eyeres[0] = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Left, m_hmd->DefaultEyeFov[0], 1.0);
m_eyeres[1] = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Right, m_hmd->DefaultEyeFov[1],1.0);
/* and create a single render target texture to encompass both eyes */
//m_fbWidth = m_eyeres[0].w + m_eyeres[1].w;
//m_fbHeight = m_eyeres[0].h > m_eyeres[1].h ? m_eyeres[0].h : m_eyeres[1].h;
ovrSizei recommenedTex0Size = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Left,m_hmd->DefaultEyeFov[0], m_devicePixelAspect);
ovrSizei recommenedTex1Size = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Right,m_hmd->DefaultEyeFov[1], m_devicePixelAspect);
// Determine dimensions to fit into a single render target.
ovrSizei renderTargetSize;
m_fbWidth = recommenedTex0Size.w + recommenedTex1Size.w;
m_fbHeight = std::max ( recommenedTex0Size.h, recommenedTex1Size.h );
createRenderTarget();
createOVRGLConfig();
createOVRTextureBuffers();
/* enable low-persistence display and dynamic prediction for lattency compensation */
ovrHmd_SetEnabledCaps(m_hmd, ovrHmdCap_LowPersistence | ovrHmdCap_DynamicPrediction);
/* configure SDK-rendering and enable chromatic abberation correction, vignetting, and
* timewrap, which shifts the image before drawing to counter any lattency between the call
* to ovrHmd_GetEyePose and ovrHmd_EndFrame.
*/
unsigned int dcaps = ovrDistortionCap_Chromatic | ovrDistortionCap_Vignette | ovrDistortionCap_TimeWarp |
ovrDistortionCap_Overdrive;
if(!ovrHmd_ConfigureRendering(m_hmd, &m_glcfg.Config, dcaps, m_hmd->DefaultEyeFov, m_eyeRdesc))
{
fprintf(stderr, "failed to configure distortion renderer\n");
}
}
sensor()
{
session = ovrHmd_Create(0);
if (session)
desc = *session;
//res = desc.Resolution;
}
void RiftSetup()
{
ovr_Initialize();
s_hmd = ovrHmd_Create(0);
if (!s_hmd)
{
s_hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
}
ovrHmd_GetDesc(s_hmd, &s_hmdDesc);
DumpHMDInfo(s_hmdDesc);
uint32_t supportedSensorCaps = ovrSensorCap_Orientation;
uint32_t requiredSensorCaps = ovrSensorCap_Orientation;
ovrBool success = ovrHmd_StartSensor(s_hmd, supportedSensorCaps, requiredSensorCaps);
if (!success) {
fprintf(stderr, "ERROR: HMD does not have required capabilities!\n");
exit(2);
}
// Figure out dimensions of render target
ovrSizei recommenedTex0Size = ovrHmd_GetFovTextureSize(s_hmd, ovrEye_Left, s_hmdDesc.DefaultEyeFov[0], 1.0f);
ovrSizei recommenedTex1Size = ovrHmd_GetFovTextureSize(s_hmd, ovrEye_Right, s_hmdDesc.DefaultEyeFov[1], 1.0f);
s_renderTargetSize.w = recommenedTex0Size.w + recommenedTex1Size.w;
s_renderTargetSize.h = std::max(recommenedTex0Size.h, recommenedTex1Size.h);
CreateRenderTarget(s_renderTargetSize.w, s_renderTargetSize.h);
s_eyeTexture[0].Header.API = ovrRenderAPI_OpenGL;
s_eyeTexture[0].Header.TextureSize = s_renderTargetSize;
s_eyeTexture[0].Header.RenderViewport.Pos = {0, 0};
s_eyeTexture[0].Header.RenderViewport.Size = {s_renderTargetSize.w / 2, s_renderTargetSize.h};
((ovrGLTexture*)(&s_eyeTexture[0]))->OGL.TexId = s_fboTex;
s_eyeTexture[1].Header.API = ovrRenderAPI_OpenGL;
s_eyeTexture[1].Header.TextureSize = s_renderTargetSize;
s_eyeTexture[1].Header.RenderViewport.Pos = {s_renderTargetSize.w / 2, 0};
s_eyeTexture[1].Header.RenderViewport.Size = {s_renderTargetSize.w / 2, s_renderTargetSize.h};
((ovrGLTexture*)(&s_eyeTexture[1]))->OGL.TexId = s_fboTex;
// Configure ovr SDK Rendering
ovrGLConfig cfg;
memset(&cfg, 0, sizeof(ovrGLConfig));
cfg.OGL.Header.API = ovrRenderAPI_OpenGL;
cfg.OGL.Header.RTSize = {s_config->width, s_config->height};
cfg.OGL.Header.Multisample = 0;
// TODO: on windows need to set HWND, on Linux need to set other parameters
if (!ovrHmd_ConfigureRendering(s_hmd, &cfg.Config, s_hmdDesc.DistortionCaps, s_hmdDesc.DefaultEyeFov, s_eyeRenderDesc))
{
fprintf(stderr, "ERROR: HMD configure rendering failed!\n");
exit(3);
}
}
HelloRift() {
ovr_Initialize();
hmd = ovrHmd_Create(0);
if (nullptr == hmd) {
debugDevice = true;
hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
}
ovrHmd_ConfigureTracking(hmd,
ovrTrackingCap_Orientation |
ovrTrackingCap_Position, 0);
resetPosition();
}
void Oculus::Initialize() {
ovr_Initialize();
head_mounted_display = ovrHmd_Create(0);
bool tracking_setup =
ovrHmd_ConfigureTracking(head_mounted_display,
ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection |
ovrTrackingCap_Position, 0);
ConfigureEyeViewportInformation();
}
OvrSdkRenderer::OvrSdkRenderer()
{
ovr_Initialize();
hmd = ovrHmd_Create(0);
if (hmd) {
ovrHmd_ConfigureTracking(hmd,
ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection | ovrTrackingCap_Position, // supported
ovrTrackingCap_Orientation); // required
// Set low persistence mode
int hmdCaps = ovrHmd_GetEnabledCaps(hmd);
ovrHmd_SetEnabledCaps(hmd, hmdCaps | ovrHmdCap_LowPersistence);
}
}
VR::VR(Game &game)
{
// create HMD
if (!(m_hmd = ovrHmd_Create(0)))
{
std::cerr << "couldn't create Oculus HMD, falling back to debug HMD"
<< std::endl;
if (!(m_hmd = ovrHmd_CreateDebug(ovrHmd_DK2)))
throw Error("couldn't create debug HMD");
}
orient_window(game);
// enable position, rotation tracking
ovrHmd_ConfigureTracking(m_hmd, ovrTrackingCap_Orientation
| ovrTrackingCap_MagYawCorrection
| ovrTrackingCap_Position, 0);
// calculate framebuffer resolution and create framebuffer
ovrSizei eye_res[2];
eye_res[0] = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Left,
m_hmd->DefaultEyeFov[0], 1.0);
eye_res[1] = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Right,
m_hmd->DefaultEyeFov[1], 1.0);
m_fb_width = eye_res[0].w + eye_res[1].w;
m_fb_height = eye_res[0].h > eye_res[1].h ? eye_res[0].h : eye_res[1].h;
update_fb();
// fill in ovrGLConfig
ovrGLConfig glcfg;
memset(&glcfg, 0, sizeof glcfg);
glcfg.OGL.Header.API = ovrRenderAPI_OpenGL;
glcfg.OGL.Header.RTSize = m_hmd->Resolution;
glcfg.OGL.Header.Multisample = 1;
glcfg.OGL.Window = GetActiveWindow();
glcfg.OGL.DC = wglGetCurrentDC();
if (!(m_hmd->HmdCaps & ovrHmdCap_ExtendDesktop))
ovrHmd_AttachToWindow(m_hmd, glcfg.OGL.Window, 0, 0);
// enable HMD, distortion capabilities and enable SDK rendering
ovrHmd_SetEnabledCaps(m_hmd, ovrHmdCap_LowPersistence
| ovrHmdCap_DynamicPrediction);
if (!ovrHmd_ConfigureRendering(m_hmd, &glcfg.Config,
ovrDistortionCap_Chromatic | ovrDistortionCap_Vignette
| ovrDistortionCap_TimeWarp | ovrDistortionCap_Overdrive,
m_hmd->DefaultEyeFov, m_eye_rdesc))
throw Error("failed to configure distortion rendering");
// disable health/safety warning
ovrhmd_EnableHSWDisplaySDKRender(m_hmd, 0);
}
void initGl() {
GlfwApp::initGl();
glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
ovr_Initialize();
hmd = ovrHmd_Create(0);
if (!hmd) {
FAIL("Unable to open HMD");
}
if (!ovrHmd_ConfigureTracking(hmd, ovrTrackingCap_Orientation, 0)) {
FAIL("Unable to locate Rift sensor device");
}
}
///@brief Set this up early so we can get the HMD's display dimensions to create a window.
void RiftAppSkeleton::initHMD()
{
ovr_Initialize();
m_Hmd = ovrHmd_Create(0);
if (m_Hmd == NULL)
{
m_Hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
}
m_ovrScene.SetHmdPointer(m_Hmd);
m_ovrScene.SetChassisPosPointer(&m_chassisPos);
m_ovrScene.SetChassisYawPointer(&m_chassisYaw);
// Both ovrVector3f and glm::vec3 are at heart a float[3], so this works fine.
m_fm.SetChassisPosPointer(reinterpret_cast<glm::vec3*>(&m_chassisPos));
m_fm.SetChassisYawPointer(&m_chassisYaw);
}
int main(int argc, char *argv[])
{
time_offset = kpSysTimeNs();
kp__X11Init();
#ifdef KP_OVR
ovr_Initialize();
ovrHmd hmd = ovrHmd_Create(0);
if (hmd) {
KP__L("name: %s, manf: %s", hmd->ProductName, hmd->Manufacturer);
KP__L("%d,%d %dx%d", hmd->WindowsPos.x, hmd->WindowsPos.y, hmd->Resolution.w, hmd->Resolution.h);
}
#endif
kpuserAppCreate(argc, (const char**)argv);
kp__X11Run();
kpuserAppDestroy();
return 0;
}
GMO double initialize() {
ovr_Initialize();
HMD = ovrHmd_Create(0);
if (!HMD) {
#if DEBUG
MessageBoxA(NULL, "No oculus device found", "No oculus device found", MB_ICONWARNING);
#endif
return 0; //No device found
}
if (HMD->ProductName[0] == '\0') {
#if DEBUG
MessageBoxA(NULL, "Rift detected, display disabled", "Rift detected, display disabled", MB_ICONWARNING);
#endif
return 2; //Rift deetected, display disabled
}
return 1;
}
qboolean VR_Enable()
{
int i;
if( ovr_Initialize(NULL) != ovrSuccess ) {
Con_Printf("Failed to Initialize Oculus SDK");
return false;
}
if( ovrHmd_Create(0, &hmd) != ovrSuccess ) {
Con_Printf("Failed to get HMD");
return false;
}
if( !InitOpenGLExtensions() ) {
Con_Printf("Failed to initialize OpenGL extensions");
return false;
}
ovrHmd_CreateMirrorTextureGL(hmd, GL_RGBA, glwidth, glheight, (ovrTexture**)&mirror_texture);
glGenFramebuffersEXT(1, &mirror_fbo);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, mirror_fbo);
glFramebufferTexture2DEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, mirror_texture->OGL.TexId, 0);
glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
for( i = 0; i < 2; i++ ) {
ovrSizei size = ovrHmd_GetFovTextureSize(hmd, (ovrEyeType)i, hmd->DefaultEyeFov[i], 1);
eyes[i].index = i;
eyes[i].fbo = CreateFBO(size.w, size.h);
eyes[i].render_desc = ovrHmd_GetRenderDesc(hmd, (ovrEyeType)i, hmd->DefaultEyeFov[i]);
eyes[i].fov_x = (atan(hmd->DefaultEyeFov[i].LeftTan) + atan(hmd->DefaultEyeFov[i].RightTan)) / M_PI_DIV_180;
eyes[i].fov_y = (atan(hmd->DefaultEyeFov[i].UpTan) + atan(hmd->DefaultEyeFov[i].DownTan)) / M_PI_DIV_180;
}
ovrHmd_SetEnabledCaps(hmd, ovrHmdCap_LowPersistence|ovrHmdCap_DynamicPrediction);
ovrHmd_ConfigureTracking(hmd, ovrTrackingCap_Orientation|ovrTrackingCap_MagYawCorrection|ovrTrackingCap_Position, 0);
wglSwapIntervalEXT(0); // Disable V-Sync
vr_initialized = true;
return true;
}
void OculusInterface::init()
{
try
{
ovr_Initialize();
hmd = ovrHmd_Create(0);
if(hmd)
ovrHmd_GetDesc(hmd, &hmdDesc);
else
throw 0;
}
catch(int e)
{
cout << "Cannot get HMD" << endl;
//for now.
// initialized = false;
// return;
//TODO replace content of this exeption catch by creating a virtual debug HMD to run correctly
hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
ovrHmd_GetDesc(hmd, &hmdDesc);
}
customReport();
try
{
if(!ovrHmd_StartSensor(hmd,ovrSensorCap_Orientation |ovrSensorCap_YawCorrection |ovrSensorCap_Position,ovrSensorCap_Orientation)) //minial required
throw string("Unable to start sensor! The detected device by OVR is not capable to get sensor state. We cannot do anything with that...");
}
catch (string const& e)
{
cerr << e << endl;
ovrHmd_Destroy(hmd);
ovr_Shutdown();
abort();
}
initialized = true;
}
RiftDisplay() {
hmd = ovrHmd_Create(0);
if (!hmd) {
FAIL("Unable to detect Rift display");
}
windowPosition = glm::ivec2(
hmd->WindowsPos.x,
hmd->WindowsPos.y);
GLFWmonitor * hmdMonitor =
GlfwApp::getMonitorAtPosition(windowPosition);
const GLFWvidmode * videoMode =
glfwGetVideoMode(hmdMonitor);
windowSize = glm::uvec2(
videoMode->width, videoMode->height);
eyeSize = windowSize;
eyeSize.x /= 2;
}
virtual GLFWwindow * createRenderingTarget(glm::uvec2 & outSize, glm::ivec2 & outPosition) {
outSize = glm::uvec2(800, 600);
outPosition = glm::ivec2(100, 100);
Stacks::projection().top() = glm::perspective(
PI / 3.0f, aspect(outSize),
0.01f, 10000.0f);
Stacks::modelview().top() = glm::lookAt(
glm::vec3(0.0f, 0.0f, 3.5f),
Vectors::ORIGIN, Vectors::UP);
GLFWwindow * result = glfw::createWindow(outSize, outPosition);
ovr_Initialize();
hmd = ovrHmd_Create(0);
if (!hmd || !ovrHmd_ConfigureTracking(hmd, ovrTrackingCap_Orientation, 0)) {
FAIL("Unable to locate Rift sensors");
}
return result;
}
virtual int run() {
SAY("Initializing SDK");
ovr_Initialize();
int hmdCount = ovrHmd_Detect();
SAY("Found %d connected Rift device(s)", hmdCount);
for (int i = 0; i < hmdCount; ++i) {
ovrHmd hmd = ovrHmd_Create(i);
SAY(hmd->ProductName);
ovrHmd_Destroy(hmd);
}
ovrHmd hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
SAY(hmd->ProductName);
ovrHmd_Destroy(hmd);
ovr_Shutdown();
SAY("Exiting");
return 0;
}
bool OVR_SDL2_app::init_OVR()
{
ovr_Initialize();
// Use the first connected HMD.
hmd = ovrHmd_Create(0);
// Fall back on a DK1 debug configuration if no HMD is available.
if (hmd == 0)
hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
// Enable all tracking capabilities on this HMD.
if (hmd)
ovrHmd_ConfigureTracking(hmd, ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection |
ovrTrackingCap_Position, 0);
return (hmd != 0);
}
void gkOculus::Init()
{
ovr_Initialize();
if (!HMD)
{
HMD = ovrHmd_Create(0);
if (!HMD)
{
//MessageBoxA(NULL, "Oculus Rift not detected.", "", MB_OK);
//return(1);
return;
}
if (HMD->ProductName[0] == '\0')
{
//MessageBoxA(NULL, "Rift detected, display not enabled.", "", MB_OK);
return;
}
InitHMD();
}
}
OculusRift::OculusRift()
{
//init
ovr_Initialize();
//create hmd
mHmd = ovrHmd_Create(0);
if (mHmd)
{
// Get more details about the HMD.
ovrSizei resolution = mHmd->Resolution;
console() << "hmd detected! " << mHmd->ProductName << " size: " << resolution.w << ", " << resolution.h << " reco Fov: " << mHmd->DefaultEyeFov[0].LeftTan << endl;
}
else
{
//no oculus
console() << "No Oculus found! Check your settings." << endl;
return;
}
ovrHmd_SetEnabledCaps(mHmd, ovrHmdCap_LowPersistence | ovrHmdCap_DynamicPrediction);
ovrHmd_ConfigureTracking(mHmd, ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection | ovrTrackingCap_Position, 0);
}
//-------------------------------------------------------------------------------------
int Init()
{
// Initializes LibOVR, and the Rift
ovr_Initialize();
HMD = ovrHmd_Create(0);
if (!HMD)
{
MessageBoxA(NULL,"Oculus Rift not detected.","", MB_OK);
return(1);
}
if (HMD->ProductName[0] == '\0')
MessageBoxA(NULL,"Rift detected, display not enabled.","", MB_OK);
//Setup Window and Graphics - use window frame if relying on Oculus driver
const int backBufferMultisample = 1;
bool UseAppWindowFrame = (HMD->HmdCaps & ovrHmdCap_ExtendDesktop) ? false : true;
HWND window = Util_InitWindowAndGraphics(Recti(HMD->WindowsPos, HMD->Resolution),
FullScreen, backBufferMultisample, UseAppWindowFrame,&pRender);
if (!window) return 1;
ovrHmd_AttachToWindow(HMD, window, NULL, NULL);
//Configure Stereo settings.
Sizei recommenedTex0Size = ovrHmd_GetFovTextureSize(HMD, ovrEye_Left, HMD->DefaultEyeFov[0], 1.0f);
Sizei recommenedTex1Size = ovrHmd_GetFovTextureSize(HMD, ovrEye_Right, HMD->DefaultEyeFov[1], 1.0f);
Sizei RenderTargetSize;
RenderTargetSize.w = recommenedTex0Size.w + recommenedTex1Size.w;
RenderTargetSize.h = max ( recommenedTex0Size.h, recommenedTex1Size.h );
const int eyeRenderMultisample = 1;
pRendertargetTexture = pRender->CreateTexture(Texture_RGBA | Texture_RenderTarget |
eyeRenderMultisample,
RenderTargetSize.w, RenderTargetSize.h, NULL);
// The actual RT size may be different due to HW limits.
RenderTargetSize.w = pRendertargetTexture->GetWidth();
RenderTargetSize.h = pRendertargetTexture->GetHeight();
// Initialize eye rendering information.
// The viewport sizes are re-computed in case RenderTargetSize changed due to HW limitations.
ovrFovPort eyeFov[2] = { HMD->DefaultEyeFov[0], HMD->DefaultEyeFov[1] } ;
EyeRenderViewport[0].Pos = Vector2i(0,0);
EyeRenderViewport[0].Size = Sizei(RenderTargetSize.w / 2, RenderTargetSize.h);
EyeRenderViewport[1].Pos = Vector2i((RenderTargetSize.w + 1) / 2, 0);
EyeRenderViewport[1].Size = EyeRenderViewport[0].Size;
#if SDK_RENDER
// Query D3D texture data.
EyeTexture[0].D3D11.Header.API = ovrRenderAPI_D3D11;
EyeTexture[0].D3D11.Header.TextureSize = RenderTargetSize;
EyeTexture[0].D3D11.Header.RenderViewport = EyeRenderViewport[0];
EyeTexture[0].D3D11.pTexture = pRendertargetTexture->Tex.GetPtr();
EyeTexture[0].D3D11.pSRView = pRendertargetTexture->TexSv.GetPtr();
// Right eye uses the same texture, but different rendering viewport.
EyeTexture[1] = EyeTexture[0];
EyeTexture[1].D3D11.Header.RenderViewport = EyeRenderViewport[1];
// Configure d3d11.
ovrD3D11Config d3d11cfg;
d3d11cfg.D3D11.Header.API = ovrRenderAPI_D3D11;
d3d11cfg.D3D11.Header.RTSize = Sizei(HMD->Resolution.w, HMD->Resolution.h);
d3d11cfg.D3D11.Header.Multisample = backBufferMultisample;
d3d11cfg.D3D11.pDevice = pRender->Device;
d3d11cfg.D3D11.pDeviceContext = pRender->Context;
d3d11cfg.D3D11.pBackBufferRT = pRender->BackBufferRT;
d3d11cfg.D3D11.pSwapChain = pRender->SwapChain;
if (!ovrHmd_ConfigureRendering(HMD, &d3d11cfg.Config,
ovrDistortionCap_Chromatic | ovrDistortionCap_Vignette |
ovrDistortionCap_TimeWarp | ovrDistortionCap_Overdrive,
eyeFov, EyeRenderDesc)) return(1);
#else
//Shader vertex format
D3D11_INPUT_ELEMENT_DESC DistortionMeshVertexDesc[] = {
{"Position", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"Position", 1, DXGI_FORMAT_R32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"Position", 2, DXGI_FORMAT_R32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"TexCoord", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 16, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"TexCoord", 1, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"TexCoord", 2, DXGI_FORMAT_R32G32_FLOAT, 0, 32, D3D11_INPUT_PER_VERTEX_DATA, 0}};
//Distortion vertex shader
const char* vertexShader =
"float2 EyeToSourceUVScale, EyeToSourceUVOffset; \n"
"float4x4 EyeRotationStart, EyeRotationEnd; \n"
"float2 TimewarpTexCoord(float2 TexCoord, float4x4 rotMat) \n"
"{ \n"
// Vertex inputs are in TanEyeAngle space for the R,G,B channels (i.e. after chromatic
// aberration and distortion). These are now "real world" vectors in direction (x,y,1)
// relative to the eye of the HMD. Apply the 3x3 timewarp rotation to these vectors.
" float3 transformed = float3( mul ( rotMat, float4(TexCoord.xy, 1, 1) ).xyz); \n"
// Project them back onto the Z=1 plane of the rendered images.
" float2 flattened = (transformed.xy / transformed.z); \n"
// Scale them into ([0,0.5],[0,1]) or ([0.5,0],[0,1]) UV lookup space (depending on eye)
" return(EyeToSourceUVScale * flattened + EyeToSourceUVOffset); \n"
"} \n"
"void main(in float2 Position : POSITION, in float timewarpLerpFactor : POSITION1, \n"
" in float Vignette : POSITION2, in float2 TexCoord0 : TEXCOORD0, \n"
" in float2 TexCoord1 : TEXCOORD1, in float2 TexCoord2 : TEXCOORD2, \n"
" out float4 oPosition : SV_Position, \n"
" out float2 oTexCoord0 : TEXCOORD0, out float2 oTexCoord1 : TEXCOORD1, \n"
" out float2 oTexCoord2 : TEXCOORD2, out float oVignette : TEXCOORD3) \n"
"{ \n"
" float4x4 lerpedEyeRot = lerp(EyeRotationStart, EyeRotationEnd, timewarpLerpFactor);\n"
" oTexCoord0 = TimewarpTexCoord(TexCoord0,lerpedEyeRot); \n"
" oTexCoord1 = TimewarpTexCoord(TexCoord1,lerpedEyeRot); \n"
" oTexCoord2 = TimewarpTexCoord(TexCoord2,lerpedEyeRot); \n"
" oPosition = float4(Position.xy, 0.5, 1.0); oVignette = Vignette; \n"
"}";
//Distortion pixel shader
const char* pixelShader =
"Texture2D Texture : register(t0); \n"
"SamplerState Linear : register(s0); \n"
"float4 main(in float4 oPosition : SV_Position, in float2 oTexCoord0 : TEXCOORD0, \n"
" in float2 oTexCoord1 : TEXCOORD1, in float2 oTexCoord2 : TEXCOORD2, \n"
" in float oVignette : TEXCOORD3) : SV_Target \n"
"{ \n"
// 3 samples for fixing chromatic aberrations
" float R = Texture.Sample(Linear, oTexCoord0.xy).r; \n"
" float G = Texture.Sample(Linear, oTexCoord1.xy).g; \n"
" float B = Texture.Sample(Linear, oTexCoord2.xy).b; \n"
" return (oVignette*float4(R,G,B,1)); \n"
"}";
pRender->InitShaders(vertexShader, pixelShader, &Shaders, &VertexIL,DistortionMeshVertexDesc,6);
for ( int eyeNum = 0; eyeNum < 2; eyeNum++ )
{
// Allocate mesh vertices, registering with renderer using the OVR vertex format.
ovrDistortionMesh meshData;
ovrHmd_CreateDistortionMesh(HMD, (ovrEyeType) eyeNum, eyeFov[eyeNum],
ovrDistortionCap_Chromatic | ovrDistortionCap_TimeWarp, &meshData);
MeshVBs[eyeNum] = *pRender->CreateBuffer();
MeshVBs[eyeNum]->Data(Buffer_Vertex,meshData.pVertexData,sizeof(ovrDistortionVertex)*meshData.VertexCount);
MeshIBs[eyeNum] = *pRender->CreateBuffer();
MeshIBs[eyeNum]->Data(Buffer_Index,meshData.pIndexData,sizeof(unsigned short) * meshData.IndexCount);
ovrHmd_DestroyDistortionMesh( &meshData );
//Create eye render description for use later
EyeRenderDesc[eyeNum] = ovrHmd_GetRenderDesc(HMD, (ovrEyeType) eyeNum, eyeFov[eyeNum]);
//Do scale and offset
ovrHmd_GetRenderScaleAndOffset(eyeFov[eyeNum],RenderTargetSize, EyeRenderViewport[eyeNum], UVScaleOffset[eyeNum]);
}
#endif
ovrHmd_SetEnabledCaps(HMD, ovrHmdCap_LowPersistence | ovrHmdCap_DynamicPrediction);
// Start the sensor which informs of the Rift's pose and motion
ovrHmd_ConfigureTracking(HMD, ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection |
ovrTrackingCap_Position, 0);
// This creates lights and models.
pRoomScene = new Scene;
sbuilder.PopulateRoomScene(pRoomScene, pRender);
return (0);
}
bool OVR::postReset(void* _nwh, ovrRenderAPIConfig* _config, bool _debug)
{
if (_debug)
{
switch (_config->Header.API)
{
#if BGFX_CONFIG_RENDERER_DIRECT3D11
case ovrRenderAPI_D3D11:
{
ovrD3D11ConfigData* data = (ovrD3D11ConfigData*)_config;
# if OVR_VERSION > OVR_VERSION_043
m_rtSize = data->Header.BackBufferSize;
# else
m_rtSize = data->Header.RTSize;
# endif // OVR_VERSION > OVR_VERSION_043
}
break;
#endif // BGFX_CONFIG_RENDERER_DIRECT3D11
#if BGFX_CONFIG_RENDERER_OPENGL
case ovrRenderAPI_OpenGL:
{
ovrGLConfigData* data = (ovrGLConfigData*)_config;
# if OVR_VERSION > OVR_VERSION_043
m_rtSize = data->Header.BackBufferSize;
# else
m_rtSize = data->Header.RTSize;
# endif // OVR_VERSION > OVR_VERSION_043
}
break;
#endif // BGFX_CONFIG_RENDERER_OPENGL
case ovrRenderAPI_None:
default:
BX_CHECK(false, "You should not be here!");
break;
}
m_debug = true;
return false;
}
if (!m_initialized)
{
return false;
}
if (!_debug)
{
m_hmd = ovrHmd_Create(0);
}
if (NULL == m_hmd)
{
m_hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
BX_WARN(NULL != m_hmd, "Unable to initialize OVR.");
if (NULL == m_hmd)
{
return false;
}
}
BX_TRACE("HMD: %s, %s, firmware: %d.%d"
, m_hmd->ProductName
, m_hmd->Manufacturer
, m_hmd->FirmwareMajor
, m_hmd->FirmwareMinor
);
ovrBool result;
result = ovrHmd_AttachToWindow(m_hmd, _nwh, NULL, NULL);
if (!result) { goto ovrError; }
ovrFovPort eyeFov[2] = { m_hmd->DefaultEyeFov[0], m_hmd->DefaultEyeFov[1] };
result = ovrHmd_ConfigureRendering(m_hmd
, _config
, 0
#if OVR_VERSION < OVR_VERSION_050
| ovrDistortionCap_Chromatic // permanently enabled >= v5.0
#endif
| ovrDistortionCap_Vignette
| ovrDistortionCap_TimeWarp
| ovrDistortionCap_Overdrive
| ovrDistortionCap_NoRestore
| ovrDistortionCap_HqDistortion
, eyeFov
, m_erd
);
if (!result) { goto ovrError; }
ovrHmd_SetEnabledCaps(m_hmd
, 0
| ovrHmdCap_LowPersistence
| ovrHmdCap_DynamicPrediction
);
result = ovrHmd_ConfigureTracking(m_hmd
, 0
| ovrTrackingCap_Orientation
| ovrTrackingCap_MagYawCorrection
| ovrTrackingCap_Position
, 0
);
if (!result)
{
ovrError:
BX_TRACE("Failed to initialize OVR.");
ovrHmd_Destroy(m_hmd);
m_hmd = NULL;
return false;
}
ovrSizei sizeL = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Left, m_hmd->DefaultEyeFov[0], 1.0f);
ovrSizei sizeR = ovrHmd_GetFovTextureSize(m_hmd, ovrEye_Right, m_hmd->DefaultEyeFov[1], 1.0f);
m_rtSize.w = sizeL.w + sizeR.w;
m_rtSize.h = bx::uint32_max(sizeL.h, sizeR.h);
m_warning = true;
return true;
}
COculusVR::COculusVR(bool latency)
{
m_isReady = true;
// Initializes LibOVR, and the Rift
ovr_Initialize();
Hmd = ovrHmd_Create(0);
if (!Hmd)
{
MessageBoxA(NULL, "Oculus Rift not detected.", "", MB_OK);
return;
}
if (Hmd->ProductName[0] == '\0')
MessageBoxA(NULL, "Rift detected, display not enabled.", "", MB_OK);
if (Hmd->HmdCaps & ovrHmdCap_ExtendDesktop)
{
WindowSize = Hmd->Resolution;
}
else
{
// In Direct App-rendered mode, we can use smaller window size,
// as it can have its own contents and isn't tied to the buffer.
WindowSize = Sizei(1100, 618);//Sizei(960, 540); avoid rotated output bug.
}
ovrHmd_AttachToWindow(Hmd, wzGetWindowHandle(), NULL, NULL);
// Configure Stereo settings.
Sizei recommenedTex0Size = ovrHmd_GetFovTextureSize(Hmd, ovrEye_Left, Hmd->DefaultEyeFov[0], 1.0f);
Sizei recommenedTex1Size = ovrHmd_GetFovTextureSize(Hmd, ovrEye_Right, Hmd->DefaultEyeFov[1], 1.0f);
EyeRenderTargetSize.w = recommenedTex0Size.w + recommenedTex1Size.w;
EyeRenderTargetSize.h = Alg::Max( recommenedTex0Size.h, recommenedTex1Size.h );
//Create Framebuffer
wzCreateRenderTarget(&m_screenRender);
wzCreateRenderBufferDepth(&m_screenBuffer,EyeRenderTargetSize.w,EyeRenderTargetSize.h);
wzCreateTexture(&m_screenTex,EyeRenderTargetSize.w,EyeRenderTargetSize.h,WZ_FORMATTYPE_RGB,NULL);
//attach
wzSetRenderBuffer(&m_screenRender,&m_screenBuffer);
wzSetRenderTexture(&m_screenRender,&m_screenTex);
// Initialize eye rendering information.
// The viewport sizes are re-computed in case RenderTargetSize changed due to HW limitations.
ovrFovPort eyeFov[2] = { Hmd->DefaultEyeFov[0], Hmd->DefaultEyeFov[1] } ;
EyeRenderViewport[0].Pos = Vector2i(0,0);
EyeRenderViewport[0].Size = Sizei(EyeRenderTargetSize.w / 2, EyeRenderTargetSize.h);
EyeRenderViewport[1].Pos = Vector2i((EyeRenderTargetSize.w + 1) / 2, 0);
EyeRenderViewport[1].Size = EyeRenderViewport[0].Size;
//Shader vertex format
wzVertexElements ve_var[] = {
{WZVETYPE_FLOAT2,"position"},
{WZVETYPE_FLOAT1,"timewarpLerpFactor"},
{WZVETYPE_FLOAT1,"vignette"},
{WZVETYPE_FLOAT2,"texCoord0"},
{WZVETYPE_FLOAT2,"texCoord1"},
{WZVETYPE_FLOAT2,"texCoord2"},
WZVE_TMT()
};
//carete mesh
for ( int eyeNum = 0; eyeNum < 2; eyeNum++ )
{
// Allocate mesh vertices, registering with renderer using the OVR vertex format.
ovrDistortionMesh meshData;
ovrHmd_CreateDistortionMesh(Hmd, (ovrEyeType) eyeNum, eyeFov[eyeNum],
ovrDistortionCap_Chromatic | ovrDistortionCap_TimeWarp, &meshData);
//Create datas
wzVector2* vertex_pos = new wzVector2[meshData.VertexCount];
float* vertex_posTimewarp = new float[meshData.VertexCount];
float* vertex_posVignette = new float[meshData.VertexCount];
wzVector2* vertex_textanR = new wzVector2[meshData.VertexCount];
wzVector2* vertex_textanG = new wzVector2[meshData.VertexCount];
wzVector2* vertex_textanB = new wzVector2[meshData.VertexCount];
//data copy
for(unsigned int i = 0; i < meshData.VertexCount; i++) {
vertex_pos[i].x = meshData.pVertexData[i].ScreenPosNDC.x;
vertex_pos[i].y = meshData.pVertexData[i].ScreenPosNDC.y;
vertex_posTimewarp[i] = meshData.pVertexData[i].TimeWarpFactor;
vertex_posVignette[i] = meshData.pVertexData[i].VignetteFactor;
vertex_textanR[i].x = meshData.pVertexData[i].TanEyeAnglesR.x;
vertex_textanR[i].y = meshData.pVertexData[i].TanEyeAnglesR.y;
vertex_textanG[i].x = meshData.pVertexData[i].TanEyeAnglesG.x;
vertex_textanG[i].y = meshData.pVertexData[i].TanEyeAnglesG.y;
vertex_textanB[i].x = meshData.pVertexData[i].TanEyeAnglesB.x;
vertex_textanB[i].y = meshData.pVertexData[i].TanEyeAnglesB.y;
}
void* vertex_pointer[] = {vertex_pos,vertex_posTimewarp,vertex_posVignette,vertex_textanR,vertex_textanG,vertex_textanB};
if(wzCreateMesh(&MeshBuffer[eyeNum], vertex_pointer, ve_var,
meshData.pIndexData, meshData.VertexCount, meshData.IndexCount)) {
MessageBoxA(NULL, "Lens Distort Mesh Error.", "", MB_OK);
delete[] vertex_pos;
delete[] vertex_posTimewarp;
delete[] vertex_posVignette;
delete[] vertex_textanR;
delete[] vertex_textanG;
delete[] vertex_textanB;
return; //error
}
wzChangeDrawMode(&MeshBuffer[eyeNum],WZ_MESH_DF_TRIANGLELIST);
delete[] vertex_pos;
delete[] vertex_posTimewarp;
delete[] vertex_posVignette;
delete[] vertex_textanR;
delete[] vertex_textanG;
delete[] vertex_textanB;
ovrHmd_DestroyDistortionMesh(&meshData);
//Create eye render description for use later
EyeRenderDesc[eyeNum] = ovrHmd_GetRenderDesc(Hmd, (ovrEyeType) eyeNum, eyeFov[eyeNum]);
//Do scale and offset
ovrHmd_GetRenderScaleAndOffset(eyeFov[eyeNum],EyeRenderTargetSize, EyeRenderViewport[eyeNum], UVScaleOffset[eyeNum]);
}
//Create shader
if(wzCreateShader(&LensShader, ols_vertexshader,ols_flagshader, ve_var)) {
MessageBoxA(NULL, "Lens Shader Compile Error.", "", MB_OK);
return;
}
if(latency) ovrHmd_SetEnabledCaps(Hmd, ovrHmdCap_DynamicPrediction); //ovrHmdCap_LowPersistence
// Start the sensor which informs of the Rift's pose and motion
ovrHmd_ConfigureTracking(Hmd, ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection, 0); //not use : ovrTrackingCap_Position
m_isReady = false;
}
CoinRiftWidget::CoinRiftWidget() : QGLWidget()
{
for (int eye = 0; eye < 2; eye++) {
reinterpret_cast<ovrGLTextureData*>(&eyeTexture[eye])->TexId = 0;
#ifdef USE_FRAMEBUFFER
frameBufferID[eye] = 0;
depthBufferID[eye] = 0;
#endif
}
// OVR will do the swapping.
setAutoBufferSwap(false);
hmd = ovrHmd_Create(0);
if (!hmd) {
qDebug() << "Could not find Rift device.";
throw;
}
if (!ovrHmd_ConfigureTracking (hmd, ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection |
ovrTrackingCap_Position,
ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection |
ovrTrackingCap_Position
)) { // Capabilities we require.
qDebug() << "Could not start Rift motion sensor.";
throw;
}
resize(hmd->Resolution.w, hmd->Resolution.h);
// Configure stereo settings.
ovrSizei recommenedTex0Size = ovrHmd_GetFovTextureSize(hmd, ovrEye_Left,
hmd->DefaultEyeFov[0], 1.0f);
ovrSizei recommenedTex1Size = ovrHmd_GetFovTextureSize(hmd, ovrEye_Right,
hmd->DefaultEyeFov[1], 1.0f);
#ifdef USE_SO_OFFSCREEN_RENDERER
renderer = new SoOffscreenRenderer(SbViewportRegion(std::max(recommenedTex0Size.w, recommenedTex0Size.w),
std::max(recommenedTex1Size.h, recommenedTex1Size.h)));
renderer->setComponents(SoOffscreenRenderer::RGB_TRANSPARENCY);
BackgroundColor = SbColor(.0f, .0f, .8f);
renderer->setBackgroundColor(BackgroundColor);
#endif
#ifdef USE_FRAMEBUFFER
m_sceneManager = new SoSceneManager();
m_sceneManager->setViewportRegion(SbViewportRegion(std::max(recommenedTex0Size.w, recommenedTex0Size.w),
std::max(recommenedTex1Size.h, recommenedTex1Size.h)));
m_sceneManager->setBackgroundColor(SbColor(.0f, .0f, .8f));
#endif
basePosition = SbVec3f(0.0f, 0.0f, -2.0f);
// light handling
SoDirectionalLight *light = new SoDirectionalLight();
light->direction.setValue(1,-1,-1);
SoDirectionalLight *light2 = new SoDirectionalLight();
light2->direction.setValue(-1,-1,-1);
light2->intensity.setValue(0.6);
light2->color.setValue(0.8,0.8,1);
scene = new SoSeparator(0); // Placeholder.
for (int eye = 0; eye < 2; eye++) {
rootScene[eye] = new SoSeparator();
rootScene[eye]->ref();
camera[eye] = new SoFrustumCamera();
camera[eye]->position.setValue(basePosition);
camera[eye]->focalDistance.setValue(5.0f);
camera[eye]->viewportMapping.setValue(SoCamera::LEAVE_ALONE);
rootScene[eye]->addChild(camera[eye]);
rootScene[eye]->addChild(light);
rootScene[eye]->addChild(light2);
rootScene[eye]->addChild(scene);
}
// Populate ovrEyeDesc[2].
eyeRenderDesc[0].Eye = ovrEye_Left;
eyeRenderDesc[1].Eye = ovrEye_Right;
eyeRenderDesc[0].Fov = hmd->DefaultEyeFov[0];
eyeRenderDesc[1].Fov = hmd->DefaultEyeFov[1];
#ifdef USE_SO_OFFSCREEN_RENDERER
eyeTexture[0].Header.TextureSize.w = renderer->getViewportRegion().getViewportSizePixels().getValue()[0];
eyeTexture[0].Header.TextureSize.h = renderer->getViewportRegion().getViewportSizePixels().getValue()[1];
eyeTexture[1].Header.TextureSize = eyeTexture[0].Header.TextureSize;
#endif
#ifdef USE_FRAMEBUFFER
eyeTexture[0].Header.TextureSize = recommenedTex0Size;
eyeTexture[1].Header.TextureSize = recommenedTex1Size;
#endif
eyeTexture[0].Header.RenderViewport.Pos.x = 0;
eyeTexture[0].Header.RenderViewport.Pos.y = 0;
eyeTexture[0].Header.RenderViewport.Size = eyeTexture[0].Header.TextureSize;
eyeTexture[1].Header.RenderViewport.Pos = eyeTexture[0].Header.RenderViewport.Pos;
eyeTexture[1].Header.RenderViewport.Size = eyeTexture[1].Header.TextureSize;
const int backBufferMultisample = 0; // TODO This is a guess?
ovrGLConfig cfg;
cfg.OGL.Header.API = ovrRenderAPI_OpenGL;
cfg.OGL.Header.RTSize = hmd->Resolution;
cfg.OGL.Header.Multisample = backBufferMultisample;
cfg.OGL.Window = reinterpret_cast<HWND>(winId());
makeCurrent();
//cfg.OGL.WglContext = wglGetCurrentContext(); // http://stackoverflow.com/questions/17532033/qglwidget-get-gl-contextes-for-windows
cfg.OGL.DC = wglGetCurrentDC();
qDebug() << "Window:" << cfg.OGL.Window;
//qDebug() << "Context:" << cfg.OGL.WglContext;
qDebug() << "DC:" << cfg.OGL.DC;
int DistortionCaps = 0;
DistortionCaps |= ovrDistortionCap_Chromatic;
// DistortionCaps |= ovrDistortionCap_TimeWarp; // Produces black screen...
DistortionCaps |= ovrDistortionCap_Vignette;
DistortionCaps |= ovrDistortionCap_HqDistortion;
bool VSyncEnabled(false); // TODO This is a guess.
if (!ovrHmd_ConfigureRendering( hmd,
&cfg.Config,
/*(VSyncEnabled ? 0 : ovrHmdCap_NoVSync),*/
DistortionCaps,
hmd->DefaultEyeFov,//eyes,
eyeRenderDesc)) {
qDebug() << "Could not configure OVR rendering.";
throw;
}
static const float nearPlane = 0.01;
for (int eye = 0; eye < 2; eye++) {
camera[eye]->aspectRatio.setValue((eyeRenderDesc[eye].Fov.LeftTan + eyeRenderDesc[eye].Fov.RightTan) /
(eyeRenderDesc[eye].Fov.UpTan + eyeRenderDesc[eye].Fov.DownTan));
camera[eye]->nearDistance.setValue(nearPlane);
camera[eye]->farDistance.setValue(10000.0f);
camera[eye]->left.setValue(-eyeRenderDesc[eye].Fov.LeftTan * nearPlane);
camera[eye]->right.setValue(eyeRenderDesc[eye].Fov.RightTan * nearPlane);
camera[eye]->top.setValue(eyeRenderDesc[eye].Fov.UpTan * nearPlane);
camera[eye]->bottom.setValue(-eyeRenderDesc[eye].Fov.DownTan * nearPlane);
}
}
int
setup_rift(struct weston_compositor *compositor)
{
struct oculus_rift *rift = compositor->rift;
rift->enabled = 1;
rift->screen_z = -5.0;
rift->screen_scale = 1.0;
weston_compositor_add_key_binding(compositor, KEY_5, MODIFIER_SUPER,
toggle_sbs, compositor);
weston_compositor_add_key_binding(compositor, KEY_6, MODIFIER_SUPER,
toggle_rotate, compositor);
weston_compositor_add_key_binding(compositor, KEY_7, MODIFIER_SUPER,
move_in, compositor);
weston_compositor_add_key_binding(compositor, KEY_8, MODIFIER_SUPER,
move_out, compositor);
weston_compositor_add_key_binding(compositor, KEY_9, MODIFIER_SUPER,
scale_up, compositor);
weston_compositor_add_key_binding(compositor, KEY_0, MODIFIER_SUPER,
scale_down, compositor);
/*// use this at some point in the future to detect and grab the rift display
struct weston_output *output;
wl_list_for_each(output, &compositor->output_list, link)
{
weston_log("Output (%i): %s\n\t%ix%i\n", output->id, output->name,
output->width, output->height);
}*/
rift->distortion_shader = calloc(1, sizeof *(rift->distortion_shader));
struct distortion_shader_ *d = rift->distortion_shader;
d->program = CreateProgram(distortion_vertex_shader, distortion_fragment_shader);
d->EyeToSourceUVScale = glGetUniformLocation(d->program, "EyeToSourceUVScale");
d->EyeToSourceUVOffset = glGetUniformLocation(d->program, "EyeToSourceUVOffset");
d->RightEye = glGetUniformLocation(d->program, "RightEye");
d->angle = glGetUniformLocation(d->program, "angle");
d->Position = glGetAttribLocation(d->program, "Position");
d->TexCoord0 = glGetAttribLocation(d->program, "TexCoord0");
d->TexCoordR = glGetAttribLocation(d->program, "TexCoordR");
d->TexCoordG = glGetAttribLocation(d->program, "TexCoordG");
d->TexCoordB = glGetAttribLocation(d->program, "TexCoordB");
d->eyeTexture = glGetAttribLocation(d->program, "Texture0");
rift->eye_shader = calloc(1, sizeof *(rift->eye_shader));
struct eye_shader_ *e = rift->eye_shader;
e->program = CreateProgram(eye_vertex_shader, eye_fragment_shader);
e->Position = glGetAttribLocation(d->program, "Position");
e->TexCoord0 = glGetAttribLocation(d->program, "TexCoord0");
e->Projection = glGetUniformLocation(e->program, "Projection");
e->ModelView = glGetUniformLocation(e->program, "ModelView");
e->virtualScreenTexture = glGetAttribLocation(d->program, "Texture0");
rift->scene = calloc(1, sizeof *(rift->scene));
glGenBuffers(1, &rift->scene->vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, rift->scene->vertexBuffer);
static const GLfloat rectangle[] =
{-1.0f, -1.0f, -0.5f,
1.0f, -1.0f, -0.5f,
-1.0f, 1.0f, -0.5f,
1.0f, -1.0f, -0.5f,
1.0f, 1.0f, -0.5f,
-1.0f, 1.0f, -0.5f};
glBufferData(GL_ARRAY_BUFFER, sizeof(rectangle), rectangle, GL_STATIC_DRAW);
glGenBuffers(2, &rift->scene->SBSuvsBuffer[0]);
glGenBuffers(1, &rift->scene->uvsBuffer);
static const GLfloat uvs[3][12] =
{{ 0.0, 0.0,
0.5, 0.0,
0.0, 1.0,
0.5, 0.0,
0.5, 1.0,
0.0, 1.0},
{ 0.5, 0.0,
1.0, 0.0,
0.5, 1.0,
1.0, 0.0,
1.0, 1.0,
0.5, 1.0},
{ 0.0, 0.0,
1.0, 0.0,
0.0, 1.0,
1.0, 0.0,
1.0, 1.0,
0.0, 1.0}};
glBindBuffer(GL_ARRAY_BUFFER, rift->scene->SBSuvsBuffer[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(uvs[0]), uvs[0], GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, rift->scene->SBSuvsBuffer[1]);
glBufferData(GL_ARRAY_BUFFER, sizeof(uvs[1]), uvs[1], GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, rift->scene->uvsBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(uvs[2]), uvs[2], GL_STATIC_DRAW);
rift->width = 1920;
rift->height = 1080;
glGenTextures(1, &rift->fbTexture);
glBindTexture(GL_TEXTURE_2D, rift->fbTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rift->width, rift->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glGenFramebuffers(1, &rift->redirectedFramebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, rift->redirectedFramebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rift->fbTexture, 0); show_error();
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
switch(glCheckFramebufferStatus(GL_FRAMEBUFFER))
{
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: weston_log("incomplete attachment\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS: weston_log("incomplete dimensions\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: weston_log("incomplete missing attachment\n"); break;
case GL_FRAMEBUFFER_UNSUPPORTED: weston_log("unsupported\n"); break;
}
weston_log("framebuffer not working\n");
show_error();
exit(1);
}
glClear(GL_COLOR_BUFFER_BIT);
/*EGLint pbufferAttributes[] = {
EGL_WIDTH, rift->width,
EGL_HEIGHT, rift->height,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB,
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
rift->pbuffer = eglCreatePbufferSurface(
rift->egl_display, rift->egl_config,
pbufferAttributes);
glGenTextures(1, &(rift->texture));
glBindTexture(GL_TEXTURE_2D, rift->texture);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rift->width, rift->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
eglMakeCurrent(rift->egl_display, rift->pbuffer, rift->pbuffer, rift->egl_context);
eglBindTexImage(rift->egl_display, rift->pbuffer, EGL_BACK_BUFFER);
eglMakeCurrent(rift->egl_display, rift->orig_surface, rift->orig_surface, rift->egl_context);*/
ovr_Initialize(0);
rift->hmd = ovrHmd_Create(0);
if(rift->hmd == NULL)
{
rift->hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
}
ovrHmd_ConfigureTracking(rift->hmd, ovrTrackingCap_Orientation |
ovrTrackingCap_Position | ovrTrackingCap_MagYawCorrection, 0);
ovrHmd_ResetFrameTiming(rift->hmd, 0);
int eye;
for(eye = 0; eye < 2; eye++)
{
ovrFovPort fov = rift->hmd->DefaultEyeFov[eye];
ovrEyeRenderDesc renderDesc = ovrHmd_GetRenderDesc(rift->hmd, eye, fov);
struct EyeArg *eyeArg = &rift->eyeArgs[eye];
eyeArg->projection = ovrMatrix4f_Projection(fov, 0.1, 100000, true);
/*int j, k;
for(k=0; k<4; k++)
{
for(j=0; j<4; j++)
{
printf("%f\t", eyeArg->projection.M[k][j]);
}
printf("\n");
}*/
rift->hmdToEyeOffsets[eye] = renderDesc.HmdToEyeViewOffset;
ovrRecti texRect;
texRect.Size = ovrHmd_GetFovTextureSize(rift->hmd, eye, rift->hmd->DefaultEyeFov[eye],
1.0f);
texRect.Pos.x = texRect.Pos.y = 0;
eyeArg->textureWidth = texRect.Size.w;
eyeArg->textureHeight = texRect.Size.h;
glGenTextures(1, &eyeArg->texture);
glBindTexture(GL_TEXTURE_2D, eyeArg->texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, eyeArg->textureWidth, eyeArg->textureHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glGenFramebuffers(1, &eyeArg->framebuffer); show_error();
glBindFramebuffer(GL_FRAMEBUFFER, eyeArg->framebuffer); show_error();
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, eyeArg->texture, 0); show_error();
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
switch(glCheckFramebufferStatus(GL_FRAMEBUFFER))
{
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: weston_log("incomplete attachment\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS: weston_log("incomplete dimensions\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: weston_log("incomplete missing attachment\n"); break;
case GL_FRAMEBUFFER_UNSUPPORTED: weston_log("unsupported\n"); break;
}
weston_log("framebuffer not working\n");
show_error();
exit(1);
}
if(eye)
{
glClearColor(1.0, 0.0, 0.0, 1.0); show_error();
}
else
{
glClearColor(0.0, 1.0, 0.0, 1.0); show_error();
}
glClear(GL_COLOR_BUFFER_BIT); show_error();
/*EGLint eyePbufferAttributes[] = {
EGL_WIDTH, texRect.Size.w,
EGL_HEIGHT, texRect.Size.h,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB,
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
eyeArg.surface = eglCreatePbufferSurface(
rift->egl_display, rift->egl_config,
eyePbufferAttributes);*/
ovrVector2f scaleAndOffset[2];
ovrHmd_GetRenderScaleAndOffset(fov, texRect.Size, texRect, scaleAndOffset);
eyeArg->scale = scaleAndOffset[0];
eyeArg->offset = scaleAndOffset[1];
ovrHmd_CreateDistortionMesh(rift->hmd, eye, fov, 0, &eyeArg->mesh);
glGenBuffers(1, &eyeArg->indexBuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, eyeArg->indexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, eyeArg->mesh.IndexCount * sizeof(unsigned short), eyeArg->mesh.pIndexData, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
float vertices_buffer[eyeArg->mesh.VertexCount*2];
float uvs_buffer[3][eyeArg->mesh.VertexCount*2];
uint i;
for(i=0; i<eyeArg->mesh.VertexCount; i++)
{
ovrDistortionVertex vertex = eyeArg->mesh.pVertexData[i];
vertices_buffer[i*2] = vertex.ScreenPosNDC.x;
vertices_buffer[(i*2)+1] = vertex.ScreenPosNDC.y;
uvs_buffer[0][i*2] = vertex.TanEyeAnglesR.x;
uvs_buffer[0][(i*2)+1] = vertex.TanEyeAnglesR.y;
uvs_buffer[1][i*2] = vertex.TanEyeAnglesG.x;
uvs_buffer[1][(i*2)+1] = vertex.TanEyeAnglesG.y;
uvs_buffer[2][i*2] = vertex.TanEyeAnglesB.x;
uvs_buffer[2][(i*2)+1] = vertex.TanEyeAnglesB.y;
}
glGenBuffers(1, &eyeArg->vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, eyeArg->vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, eyeArg->mesh.VertexCount * sizeof(GL_FLOAT) * 2, vertices_buffer, GL_STATIC_DRAW);
glGenBuffers(3, &eyeArg->uvsBuffer[0]);
for(i=0; i<3; i++)
{
glBindBuffer(GL_ARRAY_BUFFER, eyeArg->uvsBuffer[i]);
glBufferData(GL_ARRAY_BUFFER, eyeArg->mesh.VertexCount * sizeof(GL_FLOAT) * 2, uvs_buffer[i], GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
return 0;
}
