void StereoController::TakeScreenshots(QString path, QString filename)
{
if (stereo_views_.count() == 0)
{
LogError("StereoController: Cannot take stereographic screenshots. Stereo not enabled!");
return;
}
// FIXME relies on that there is only one external window and
// its the right side window for stereographical stuff
QString leftname = filename.replace(".jpg", "_left.jpg");
QString rightname = filename.replace("_left.jpg", "_right.jpg");
Ogre::CompositorInstance* comp = stereo_views_["stereoview0"]->GetCompositor();
if (!comp)
{
LogError("StereoController: Wrong stereographic mode. No Compositor. Cannot take screenshots!");
return;
}
comp->getRenderTarget("Stereo/Left")->writeContentsToFile(path.toStdString() + leftname.toStdString());
comp->getRenderTarget("Stereo/Right")->writeContentsToFile(path.toStdString() + rightname.toStdString());
}
void CameraBlurListener::notifyMaterialRender(Ogre::uint32 pass_id, Ogre::MaterialPtr &mat)
{
if (pass_id == 999)
{
if(mApp->pGame->pause == false)
{
//acquire the texture flipping attribute in the first frame
if(compositorinstance)
{
mRequiresTextureFlipping = compositorinstance->getRenderTarget("previousscene")->requiresTextureFlipping();
compositorinstance=NULL;
}
// this is the camera you're using
#ifndef ROAD_EDITOR
Ogre::Camera *cam = mApp->mSplitMgr->mCameras.front();
#else
Ogre::Camera *cam = mApp->mCamera;
#endif
// get the pass
Ogre::Pass *pass = mat->getBestTechnique()->getPass(0);
Ogre::GpuProgramParametersSharedPtr params = pass->getFragmentProgramParameters();
const Ogre::RenderTarget::FrameStats& stats = mApp->getWindow()->getStatistics();
float m_lastFPS =stats.lastFPS;
Ogre::Matrix4 projectionMatrix = cam->getProjectionMatrix();
if (mRequiresTextureFlipping)
{
// Because we're not using setProjectionMatrix, this needs to be done here
// Invert transformed y
projectionMatrix[1][0] = -projectionMatrix[1][0];
projectionMatrix[1][1] = -projectionMatrix[1][1];
projectionMatrix[1][2] = -projectionMatrix[1][2];
projectionMatrix[1][3] = -projectionMatrix[1][3];
}
Ogre::Matrix4 iVP = (projectionMatrix * cam->getViewMatrix()).inverse();
if (params->_findNamedConstantDefinition("EPF_ViewProjectionInverseMatrix"))
params->setNamedConstant("EPF_ViewProjectionInverseMatrix", iVP);
if (params->_findNamedConstantDefinition("EPF_PreviousViewProjectionMatrix"))
params->setNamedConstant("EPF_PreviousViewProjectionMatrix", prevviewproj);
if (params->_findNamedConstantDefinition("intensity"))
params->setNamedConstant("intensity", mApp->pSet->motionblurintensity);
float interpolationFactor = m_lastFPS * 0.03f ; //* m_timeScale m_timeScale is a multiplier to control motion blur interactively
Ogre::Quaternion current_orientation = cam->getDerivedOrientation();
Ogre::Vector3 current_position = cam->getDerivedPosition();
Ogre::Quaternion estimatedOrientation = Ogre::Quaternion::Slerp(interpolationFactor, current_orientation, (m_pPreviousOrientation));
Ogre::Vector3 estimatedPosition = (1-interpolationFactor) * current_position + interpolationFactor * (m_pPreviousPosition);
Ogre::Matrix4 prev_viewMatrix = Ogre::Math::makeViewMatrix(estimatedPosition, estimatedOrientation);//.inverse().transpose();
// compute final matrix
prevviewproj = projectionMatrix * prev_viewMatrix;
// update position and orientation for next update time
m_pPreviousOrientation = current_orientation;
m_pPreviousPosition = current_position;
}
}
}