void GVRActivity::onDrawFrame() {
ovrFrameParms parms = vrapi_DefaultFrameParms(&oculusJavaGlThread_, VRAPI_FRAME_INIT_DEFAULT, vrapi_GetTimeInSeconds(),
NULL);
parms.FrameIndex = ++frameIndex;
parms.MinimumVsyncs = 1;
parms.PerformanceParms = oculusPerformanceParms_;
parms.Layers[VRAPI_FRAME_LAYER_TYPE_WORLD].Flags |= VRAPI_FRAME_LAYER_FLAG_CHROMATIC_ABERRATION_CORRECTION;
const double predictedDisplayTime = vrapi_GetPredictedDisplayTime(oculusMobile_, frameIndex);
const ovrTracking baseTracking = vrapi_GetPredictedTracking(oculusMobile_, predictedDisplayTime);
const ovrHeadModelParms headModelParms = vrapi_DefaultHeadModelParms();
const ovrTracking tracking = vrapi_ApplyHeadModel(&headModelParms, &baseTracking);
ovrTracking updatedTracking = vrapi_GetPredictedTracking(oculusMobile_, tracking.HeadPose.TimeInSeconds);
updatedTracking.HeadPose.Pose.Position = tracking.HeadPose.Pose.Position;
for ( int eye = 0; eye < VRAPI_FRAME_LAYER_EYE_MAX; eye++ )
{
ovrFrameLayerTexture& eyeTexture = parms.Layers[VRAPI_FRAME_LAYER_TYPE_WORLD].Textures[eye];
eyeTexture.ColorTextureSwapChain = frameBuffer_[use_multiview ? 0 : eye].mColorTextureSwapChain;
eyeTexture.DepthTextureSwapChain = frameBuffer_[use_multiview ? 0 : eye].mDepthTextureSwapChain;
eyeTexture.TextureSwapChainIndex = frameBuffer_[use_multiview ? 0 : eye].mTextureSwapChainIndex;
eyeTexture.TexCoordsFromTanAngles = texCoordsTanAnglesMatrix_;
eyeTexture.HeadPose = updatedTracking.HeadPose;
}
if (docked_) {
const ovrQuatf& orientation = updatedTracking.HeadPose.Pose.Orientation;
const glm::quat tmp(orientation.w, orientation.x, orientation.y, orientation.z);
const glm::quat quat = glm::conjugate(glm::inverse(tmp));
cameraRig_->setRotation(quat);
} else if (nullptr != cameraRig_) {
cameraRig_->updateRotation();
} else {
cameraRig_->setRotation(glm::quat());
}
if (!sensoredSceneUpdated_ && docked_) {
sensoredSceneUpdated_ = updateSensoredScene();
}
// Render the eye images.
for (int eye = 0; eye < (use_multiview ? 1 :VRAPI_FRAME_LAYER_EYE_MAX); eye++) {
beginRenderingEye(eye);
oculusJavaGlThread_.Env->CallVoidMethod(viewManager_, onDrawEyeMethodId, eye);
endRenderingEye(eye);
}
FrameBufferObject::unbind();
vrapi_SubmitFrame(oculusMobile_, &parms);
}
void GVRActivity::onDrawFrame() {
ovrFrameParms parms = vrapi_DefaultFrameParms(&oculusJavaGlThread_, VRAPI_FRAME_INIT_DEFAULT, vrapi_GetTimeInSeconds(),
NULL);
parms.FrameIndex = ++frameIndex;
parms.MinimumVsyncs = 1;
parms.PerformanceParms = oculusPerformanceParms_;
parms.Layers[VRAPI_FRAME_LAYER_TYPE_WORLD].Flags |= VRAPI_FRAME_LAYER_FLAG_CHROMATIC_ABERRATION_CORRECTION;
const double predictedDisplayTime = vrapi_GetPredictedDisplayTime(oculusMobile_, frameIndex);
const ovrTracking baseTracking = vrapi_GetPredictedTracking(oculusMobile_, predictedDisplayTime);
const ovrHeadModelParms headModelParms = vrapi_DefaultHeadModelParms();
const ovrTracking tracking = vrapi_ApplyHeadModel(&headModelParms, &baseTracking);
// Render the eye images.
for (int eye = 0; eye < VRAPI_FRAME_LAYER_EYE_MAX; eye++) {
ovrTracking updatedTracking = vrapi_GetPredictedTracking(oculusMobile_, tracking.HeadPose.TimeInSeconds);
updatedTracking.HeadPose.Pose.Position = tracking.HeadPose.Pose.Position;
beginRenderingEye(eye);
if (!sensoredSceneUpdated_ && headRotationProvider_.receivingUpdates()) {
sensoredSceneUpdated_ = updateSensoredScene();
}
headRotationProvider_.predict(*this, parms, (1 == eye ? 4.0f : 3.5f) / 60.0f);
oculusJavaGlThread_.Env->CallVoidMethod(activityRenderingCallbacks_, onDrawEyeMethodId, eye);
ovrFrameLayerTexture& eyeTexture = parms.Layers[VRAPI_FRAME_LAYER_TYPE_WORLD].Textures[eye];
eyeTexture.ColorTextureSwapChain = frameBuffer_[eye].mColorTextureSwapChain;
eyeTexture.DepthTextureSwapChain = frameBuffer_[eye].mDepthTextureSwapChain;
eyeTexture.TextureSwapChainIndex = frameBuffer_[eye].mTextureSwapChainIndex;
for (int layer = 0; layer < VRAPI_FRAME_LAYER_TYPE_MAX; layer++) {
parms.Layers[layer].Textures[eye].TexCoordsFromTanAngles = texCoordsTanAnglesMatrix_;
parms.Layers[layer].Textures[eye].HeadPose = updatedTracking.HeadPose;
}
endRenderingEye(eye);
}
FrameBufferObject::unbind();
vrapi_SubmitFrame(oculusMobile_, &parms);
}
template <class R> OVR::Matrix4f GVRActivityT<R>::DrawEyeView(const int eye, const float fovDegrees) {
const OVR::Matrix4f view = GetEyeView(eye, fovDegrees);
// Transpose view matrix from oculus to mvp_matrix to rendering correctly with gvrf renderer.
mvp_matrix = glm::mat4(view.M[0][0], view.M[1][0], view.M[2][0],
view.M[3][0], view.M[0][1], view.M[1][1], view.M[2][1],
view.M[3][1], view.M[0][2], view.M[1][2], view.M[2][2],
view.M[3][2], view.M[0][3], view.M[1][3], view.M[2][3],
view.M[3][3]);
SetMVPMatrix(mvp_matrix);
if (!sensoredSceneUpdated_ && headRotationProvider_.receivingUpdates()) {
sensoredSceneUpdated_ = updateSensoredScene();
}
glm::quat headRotation = headRotationProvider_.getPrediction(*this, (1 == eye ? 4.0f : 3.5f) / 60.0f);
cameraRig_->getHeadTransform()->set_rotation(headRotation);
JNIEnv* jni = app->GetVrJni();
jni->CallVoidMethod(javaObject, drawEyeViewMethodId, eye, fovDegrees);
if (eye == 1) {
jni->CallVoidMethod(javaObject, afterDrawEyesMethodId);
}
glm::mat4 view_matrix = camera->getViewMatrix();
glm::mat4 projection_matrix = camera->getProjectionMatrix(); //gun
glm::mat4 vp_matrix = glm::mat4(projection_matrix * view_matrix);
OVR::Matrix4f view2 = OVR::Matrix4f(vp_matrix[0][0], vp_matrix[1][0],
vp_matrix[2][0], vp_matrix[3][0], vp_matrix[0][1], vp_matrix[1][1],
vp_matrix[2][1], vp_matrix[3][1], vp_matrix[0][2], vp_matrix[1][2],
vp_matrix[2][2], vp_matrix[3][2], vp_matrix[0][3], vp_matrix[1][3],
vp_matrix[2][3], vp_matrix[3][3]);
return view2;
}
void GVRActivity::onDrawFrame(jobject jViewManager) {
ovrFrameParms parms = vrapi_DefaultFrameParms(&oculusJavaGlThread_, VRAPI_FRAME_INIT_DEFAULT, vrapi_GetTimeInSeconds(),
NULL);
parms.FrameIndex = ++frameIndex;
parms.MinimumVsyncs = 1;
parms.PerformanceParms = oculusPerformanceParms_;
const double predictedDisplayTime = vrapi_GetPredictedDisplayTime(oculusMobile_, frameIndex);
const ovrTracking baseTracking = vrapi_GetPredictedTracking(oculusMobile_, predictedDisplayTime);
const ovrHeadModelParms headModelParms = vrapi_DefaultHeadModelParms();
const ovrTracking tracking = vrapi_ApplyHeadModel(&headModelParms, &baseTracking);
ovrTracking updatedTracking = vrapi_GetPredictedTracking(oculusMobile_, tracking.HeadPose.TimeInSeconds);
updatedTracking.HeadPose.Pose.Position = tracking.HeadPose.Pose.Position;
for ( int eye = 0; eye < VRAPI_FRAME_LAYER_EYE_MAX; eye++ )
{
ovrFrameLayerTexture& eyeTexture = parms.Layers[0].Textures[eye];
eyeTexture.ColorTextureSwapChain = frameBuffer_[use_multiview ? 0 : eye].mColorTextureSwapChain;
eyeTexture.DepthTextureSwapChain = frameBuffer_[use_multiview ? 0 : eye].mDepthTextureSwapChain;
eyeTexture.TextureSwapChainIndex = frameBuffer_[use_multiview ? 0 : eye].mTextureSwapChainIndex;
eyeTexture.TexCoordsFromTanAngles = texCoordsTanAnglesMatrix_;
eyeTexture.HeadPose = updatedTracking.HeadPose;
}
parms.Layers[0].Flags |= VRAPI_FRAME_LAYER_FLAG_CHROMATIC_ABERRATION_CORRECTION;
if (CameraRig::CameraRigType::FREEZE == cameraRig_->camera_rig_type()) {
parms.Layers[0].Flags |= VRAPI_FRAME_LAYER_FLAG_FIXED_TO_VIEW;
}
if (docked_) {
const ovrQuatf& orientation = updatedTracking.HeadPose.Pose.Orientation;
const glm::quat tmp(orientation.w, orientation.x, orientation.y, orientation.z);
const glm::quat quat = glm::conjugate(glm::inverse(tmp));
cameraRig_->setRotationSensorData(0, quat.w, quat.x, quat.y, quat.z, 0, 0, 0);
cameraRig_->updateRotation();
} else if (nullptr != cameraRig_) {
cameraRig_->updateRotation();
} else {
cameraRig_->setRotation(glm::quat());
}
if (!sensoredSceneUpdated_ && docked_) {
sensoredSceneUpdated_ = updateSensoredScene();
}
// Render the eye images.
for (int eye = 0; eye < (use_multiview ? 1 :VRAPI_FRAME_LAYER_EYE_MAX); eye++) {
beginRenderingEye(eye);
int textureSwapChainIndex = frameBuffer_[eye].mTextureSwapChainIndex;
int colorTexture = vrapi_GetTextureSwapChainHandle(frameBuffer_[eye].mColorTextureSwapChain, textureSwapChainIndex);
oculusJavaGlThread_.Env->CallVoidMethod(jViewManager, onDrawEyeMethodId, eye, colorTexture);
endRenderingEye(eye);
}
FrameBufferObject::unbind();
// check if the controller is available
if (gearController != nullptr && gearController->findConnectedGearController()) {
// collect the controller input if available
gearController->onFrame(predictedDisplayTime);
}
vrapi_SubmitFrame(oculusMobile_, &parms);
}
