void EC_ChatBubble::Refresh()
{
if (renderer_.expired() || !billboardSet_ || !billboard_)
return;
// If no messages in the log, hide the chat bubble.
if (messages_.isEmpty())
{
billboardSet_->setVisible(false);
return;
}
else
billboardSet_->setVisible(true);
// Get image buffer and texture
QImage buffer = GetChatBubblePixmap().toImage();
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().getByName(texture_name_);
if (buffer.isNull() || texture.isNull())
return;
// Check texture size
if ((int)texture->getWidth() != buffer.width() || (int)texture->getHeight() != buffer.height())
{
texture->freeInternalResources();
texture->setWidth(buffer.width());
texture->setHeight(buffer.height());
texture->createInternalResources();
}
// Update texture buffer
Ogre::Box update_box(0,0, buffer.width(), buffer.height());
Ogre::PixelBox pixel_box(update_box, Ogre::PF_A8R8G8B8, (void*)buffer.bits());
if (!texture->getBuffer().isNull())
texture->getBuffer()->blitFromMemory(pixel_box, update_box);
}
void EC_RttTarget::PrepareRtt()
{
if (!ViewEnabled())
return;
//\todo XXX reconfig via AttributeUpdated when these change
int x = width.Get();
int y = height.Get();
// Get the camera ec
EC_Camera *ec_camera = ParentEntity()->GetComponent<EC_Camera>().get();
if (!ec_camera)
{
LogInfo("No camera for rtt.");
return; //XXX note: doesn't reschedule, so won't start working if cam added afterwards
}
ec_camera->GetCamera()->setAspectRatio(Ogre::Real(x) / Ogre::Real(y));
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().getByName(textureName.Get().toStdString());
if (tex.isNull())
{
tex = Ogre::TextureManager::getSingleton().createManual(textureName.Get().toStdString(),
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, x, y, 0,
Ogre::PF_A8R8G8B8, Ogre::TU_RENDERTARGET);
}
Ogre::RenderTexture *render_texture = tex->getBuffer()->getRenderTarget();
if (render_texture)
{
render_texture->removeAllViewports();
Ogre::Viewport *vp = 0;
vp = render_texture->addViewport(ec_camera->GetCamera());
// Exclude ui overlays
vp->setOverlaysEnabled(false);
// Exclude highlight mesh from rendering
vp->setVisibilityMask(0x2);
render_texture->update(false);
tex->getBuffer()->getRenderTarget()->setAutoUpdated(false);
}
else
LogError("render target texture getting failed.");
//create material to show the texture
material_name_ = textureName.Get().toStdString() + "_mat"; //renderer_.lock()->GetUniqueObjectName("EC_BillboardWidget_mat");
OgreRenderer::CloneMaterial("HoveringText", material_name_); //would LitTextured be the right thing? XXX \todo
Ogre::MaterialManager &material_manager = Ogre::MaterialManager::getSingleton();
Ogre::MaterialPtr material = material_manager.getByName(material_name_);
OgreRenderer::SetTextureUnitOnMaterial(material, textureName.Get().toStdString());
}
void OnPaint(CefRefPtr<CefBrowser> browser, PaintElementType type, const RectList &dirtyRects, const void *buffer, int width, int height)
{
Ogre::HardwarePixelBufferSharedPtr texBuf = m_renderTexture->getBuffer();
texBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD);
memcpy(texBuf->getCurrentLock().data, buffer, width*height*4);
texBuf->unlock();
}
bool ShadowUpdateTask::executeTaskInMainThread()
{
if (!mPageGeometries.empty()) {
auto pageGeometry = mPageGeometries.back();
mPageGeometries.pop_back();
auto& page = pageGeometry->getPage();
if (page.getSurface()) {
auto shadow = page.getSurface()->getShadow();
if (shadow) {
auto& shadowTextureName = shadow->getShadowTextureName();
if (!shadowTextureName.empty()) {
Ogre::TexturePtr texture = Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (texture) {
Ogre::Image ogreImage;
shadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
}
}
}
}
}
return mPageGeometries.empty();
}
void OgreWidget::createRttCamera(Ogre::Camera** camera, Ogre::RenderTarget** renderTarget, Ogre::SceneNode ** sceneNode, const QString name, const QSize size)
{
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().createManual(
QString(name+"_texture").toStdString(),
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME/*"general"*/,
Ogre::TEX_TYPE_2D,
size.width(),
size.height(),
32,
0,
Ogre::PF_R8G8B8A8,
Ogre::TU_RENDERTARGET);
*renderTarget = tex->getBuffer()->getRenderTarget();
tex.setNull();
*camera = mSceneManager->createCamera(QString(name+"_camera").toStdString());
Ogre::Viewport* viewPort = (*renderTarget)->addViewport(*camera);
viewPort->setBackgroundColour(Ogre::ColourValue::Red);
// From: http://www.ogre3d.org/docs/api/html/classOgre_1_1Camera.html:
// Note that a Camera can be attached to a SceneNode, using the method SceneNode::attachObject.
// If this is done the Camera will combine it's own position/orientation settings with it's parent
// SceneNode. This is useful for implementing more complex Camera / object relationships i.e.
// having a camera attached to a world object.
//
// Cameras are attached to the camera-scenenode, which is attached to the vehicle-scenenode
Ogre::Entity *cameraEntity = mSceneManager->createEntity(QString(name + "_entity").toStdString(), "camera.mesh");
*sceneNode = mSceneManager->getSceneNode("vehicleNode")->createChildSceneNode(QString(name + "_node").toStdString());
(*sceneNode)->attachObject(cameraEntity);
(*sceneNode)->attachObject(*camera);
}
void MiniMapMaker::init(void)
{
// 创建纹理
Ogre::TexturePtr pTexture = Ogre::TextureManager::getSingleton().createManual(
"RttTex", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,
mTexWidth, mTexHeight, 1, 0, mOutPutFormat,
Ogre::TU_RENDERTARGET, 0);
Ogre::HardwarePixelBufferSharedPtr pBuffer = pTexture->getBuffer(0, 0);
mRenderTexture = pBuffer->getRenderTarget(0);
{
mCamera = mManipulator->getSceneManager()->createCamera("RttCam");
// 设置摄像机的基本属性
mCamera->setAspectRatio(1);
mCamera->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
mCamera->setFOVy(Ogre::Degree(90));
_setCameraAttribute();
Ogre::Viewport *v = mRenderTexture->addViewport( mCamera );
v->setClearEveryFrame( true );
v->setBackgroundColour( Ogre::ColourValue::Black );
v->setOverlaysEnabled(false);
v->setSkiesEnabled(false);
v->setShadowsEnabled(true);
}
}
Ogre::TexturePtr Simple::updateShadowTexture(Ogre::MaterialPtr material, const TerrainPageShadow* terrainPageShadow)
{
//we need an unique name for our alpha texture
std::stringstream shadowTextureNameSS;
shadowTextureNameSS << material->getName() << "_shadow";
const Ogre::String shadowTextureName(shadowTextureNameSS.str());
Ogre::TexturePtr texture = static_cast<Ogre::TexturePtr> (Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName));
if (texture.isNull()) {
texture = Ogre::Root::getSingletonPtr()->getTextureManager()->createManual(shadowTextureName, "General", Ogre::TEX_TYPE_2D, mPage.getAlphaTextureSize(), mPage.getAlphaTextureSize(), 1, Ogre::PF_L8, Ogre::TU_DYNAMIC_WRITE_ONLY);
}
Ogre::Image ogreImage;
terrainPageShadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
return texture;
}
void SimpleRenderContext::setTexture(Ogre::TexturePtr texture)
{
if (texture != mTexture) {
if (mRenderTexture) {
mRenderTexture->removeAllViewports();
}
mTexture = texture;
mRenderTexture = texture->getBuffer()->getRenderTarget();
mRenderTexture->removeAllViewports();
mRenderTexture->setAutoUpdated(false);
//initially deactivate it until setActive(true) is called
mRenderTexture->setActive(false);
S_LOG_VERBOSE("Adding camera.");
mViewPort = mRenderTexture->addViewport(mCamera);
mViewPort->setOverlaysEnabled(false);
mViewPort->setShadowsEnabled(false);
//make sure the camera renders into this new texture
//this should preferrably be a transparent background, so that CEGUI could itself decide what to show behind it, but alas I couldn't get it to work, thus black
mViewPort->setBackgroundColour(mBackgroundColour);
// mViewPort->setBackgroundColour(Ogre::ColourValue::ZERO);
//don't show the CEGUI
mViewPort->setOverlaysEnabled(false);
//the cegui renderer wants a TexturePtr (not a RenderTexturePtr), so we just ask the texturemanager for texture we just created (rttex)
}
}
Ogre::TexturePtr Simple::updateShadowTexture(Ogre::MaterialPtr material, const TerrainPageShadow* terrainPageShadow, std::set<std::string>& managedTextures) const
{
auto shadowTextureName = getShadowTextureName(material);
Ogre::TexturePtr texture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(shadowTextureName));
if (texture.isNull()) {
texture = Ogre::Root::getSingletonPtr()->getTextureManager()->createManual(shadowTextureName, "General", Ogre::TEX_TYPE_2D, mPage.getBlendMapSize(), mPage.getBlendMapSize(), 1, Ogre::PF_L8, Ogre::TU_DYNAMIC_WRITE_ONLY);
managedTextures.insert(texture->getName());
}
Ogre::Image ogreImage;
terrainPageShadow->loadIntoImage(ogreImage);
texture->loadImage(ogreImage);
//blit the whole image to the hardware buffer
Ogre::PixelBox sourceBox(ogreImage.getPixelBox());
//blit for each mipmap
for (unsigned int i = 0; i <= texture->getNumMipmaps(); ++i) {
Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(texture->getBuffer(0, i));
hardwareBuffer->blitFromMemory(sourceBox);
}
return texture;
}
void OgreNode::updateFBO()
{
Ogre::TexturePtr rttTexture = mRenderSystem->getRtt("RttTex", mSize.width(), mSize.height());
mRenderTarget = rttTexture->getBuffer()->getRenderTarget();
Ogre::Camera* cam = mRenderSystem->getOgreCamera();
mRenderTarget->addViewport(cam);
Ogre::Real aspectRatio = Ogre::Real(mSize.width()) / Ogre::Real(mSize.height());
cam->setAspectRatio(aspectRatio);
QSGGeometry::updateTexturedRectGeometry(&mGeometry,
QRectF(0, 0, mSize.width(), mSize.height()),
QRectF(0, 0, 1, 1));
Ogre::GLTexture *nativeTexture = static_cast<Ogre::GLTexture *>(rttTexture.get());
delete mTexture;
mTexture = mQuickWindow->createTextureFromId(nativeTexture->getGLID(), mSize);
mMaterial.setTexture(mTexture);
mMaterialO.setTexture(mTexture);
LOG(INFO) << "Updated FBO, new size: " << mSize.width() << "x" << mSize.height() << ", texture id: " << nativeTexture->getGLID();
}
//----------------------------------------------------------------------------//
void OgreTextureTarget::declareRenderSize(const Sizef& sz)
{
// exit if current size is enough
if ((d_area.getWidth() >= sz.d_width) && (d_area.getHeight() >=sz.d_height))
return;
Ogre::TexturePtr rttTex = Ogre::TextureManager::getSingleton().createManual(
OgreTexture::getUniqueName(),
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, sz.d_width, sz.d_height, 1, 0, Ogre::PF_A8R8G8B8,
Ogre::TU_RENDERTARGET);
d_renderTarget = rttTex->getBuffer()->getRenderTarget();
Rectf init_area(
Vector2f(0, 0),
Sizef(d_renderTarget->getWidth(), d_renderTarget->getHeight())
);
setArea(init_area);
// delete viewport and reset ptr so a new one is generated. This is
// required because we have changed d_renderTarget so need a new VP also.
delete d_viewport;
d_viewport = 0;
// because Texture takes ownership, the act of setting the new ogre texture
// also ensures any previous ogre texture is released.
d_CEGUITexture->setOgreTexture(rttTex, true);
clear();
}
void video_display(VideoState *is)
{
VideoPicture *vp;
vp = &is->pictq[is->pictq_rindex];
if (is->video_st->codec->width != 0 && is->video_st->codec->height != 0)
{
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton ().getByName("VideoTexture");
if (texture.isNull () || texture->getWidth() != is->video_st->codec->width || texture->getHeight() != is->video_st->codec->height)
{
Ogre::TextureManager::getSingleton ().remove ("VideoTexture");
texture = Ogre::TextureManager::getSingleton().createManual(
"VideoTexture",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,
is->video_st->codec->width, is->video_st->codec->height,
0,
Ogre::PF_BYTE_RGBA,
Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
}
Ogre::PixelBox pb(is->video_st->codec->width, is->video_st->codec->height, 1, Ogre::PF_BYTE_RGBA, vp->data);
Ogre::HardwarePixelBufferSharedPtr buffer = texture->getBuffer();
buffer->blitFromMemory(pb);
}
free(vp->data);
}
void HTML::PaintScrollImage(Ogre::HardwarePixelBufferSharedPtr pixelBuffer, const Berkelium::Rect& scrollOrigRect, int scroll_dx, int scroll_dy)
{
Berkelium::Rect scrolledRect = scrollOrigRect.translate(scroll_dx, scroll_dy);
Berkelium::Rect scrolled_shared_rect = scrollOrigRect.intersect(scrolledRect);
// Only do scrolling if they have non-zero intersection
if(scrolled_shared_rect.width() == 0 || scrolled_shared_rect.height() == 0)
return;
Berkelium::Rect shared_rect = scrolled_shared_rect.translate(-scroll_dx, -scroll_dy);
size_t width = shared_rect.width();
size_t height = shared_rect.height();
Ogre::TexturePtr shadow = Ogre::TextureManager::getSingleton().createManual("scrollbuf", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, Ogre::Bitwise::firstPO2From(width), Ogre::Bitwise::firstPO2From(height), 1, 1, Ogre::PF_BYTE_BGRA);
{
Ogre::HardwarePixelBufferSharedPtr shadowBuffer = shadow->getBuffer();
Berkelium::Rect borderedScrollRect = GetBorderedRect(shared_rect);
Berkelium::Rect borderedScrolledRect = GetBorderedRect(scrolled_shared_rect);
shadowBuffer->blit(pixelBuffer, Ogre::Box(borderedScrollRect.left(), borderedScrollRect.top(), borderedScrollRect.right(), borderedScrollRect.bottom()), Ogre::Box(0, 0, width, height));
pixelBuffer->blit(shadowBuffer, Ogre::Box(0, 0, width, height), Ogre::Box(borderedScrolledRect.left(), borderedScrolledRect.top(), borderedScrolledRect.right(), borderedScrolledRect.bottom()));
}
Ogre::ResourcePtr shadowResource(shadow);
Ogre::TextureManager::getSingleton().remove(shadowResource);
}
void initShadows()
{
const unsigned int numShadowTex = 1;
GlbVar.ogreSmgr->setShadowTextureSelfShadow(true);
GlbVar.ogreSmgr->setShadowTextureCasterMaterial("shadow_caster");
GlbVar.ogreSmgr->setShadowTextureCount(numShadowTex);
GlbVar.ogreSmgr->setShadowTextureSize(256);
GlbVar.ogreSmgr->setShadowTexturePixelFormat(Ogre::PF_FLOAT16_RGB);
GlbVar.ogreSmgr->setShadowTextureCountPerLightType(Ogre::Light::LT_SPOTLIGHT, numShadowTex);
GlbVar.ogreSmgr->setShadowCasterRenderBackFaces(false);
for (unsigned int i = 0; i < numShadowTex; ++i)
{
Ogre::TexturePtr tex = GlbVar.ogreSmgr->getShadowTexture(i);
Ogre::Viewport *vp = tex->getBuffer()->getRenderTarget()->getViewport(0);
vp->setBackgroundColour(Ogre::ColourValue(1,1,1,1));
vp->setClearEveryFrame(true);
}
GlbVar.ogreSmgr->setShadowTechnique(Ogre::SHADOWTYPE_TEXTURE_ADDITIVE_INTEGRATED);
//Debug overlays.
/*
unsigned int w = GlbVar.ogreWindow->getWidth();
for (unsigned int i = 0; i < numShadowTex; ++i)
{
MyGUI::StaticImagePtr img = GlbVar.gui->createWidget<MyGUI::StaticImage>("StaticImage", w - 250 , 50 + 210*i, 200, 200, MyGUI::Align::Default, "Main");
img->setImageTexture(GlbVar.ogreSmgr->getShadowTexture(i)->getName());
img->setVisible(true);
}
*/
}
//------------------------------------------------------------------------------
void OgreVideoTexture::_initTexture(Ogre::TexturePtr _texture)
{
// Get the pixel buffer
Ogre::HardwarePixelBufferSharedPtr pixelBuffer = _texture->getBuffer();
// Lock the pixel buffer and get a pixel box
pixelBuffer->lock(Ogre::HardwareBuffer::HBL_NORMAL); // for best performance use HBL_DISCARD!
const Ogre::PixelBox& pixelBox = pixelBuffer->getCurrentLock();
Ogre::uint8* pDest = static_cast<Ogre::uint8*>(pixelBox.data);
for (size_t j = 0; j < _texture->getHeight(); j++)
for(size_t i = 0; i < _texture->getWidth() ; i++)
{
if (j<480-5 && i<640-5)
{
*pDest++ = 255; // B
*pDest++ = 0; // G
*pDest++ = 255; // R
}
else
{
*pDest++ = 255; // B
*pDest++ = 0; // G
*pDest++ = 0; // R
}
}
pixelBuffer->unlock();
}
//-------------------------------------------------------------------------------------------
void MagickWidget::loadMesh(Ogre::MeshPtr pMesh)
{
QString directory(OgitorsRoot::getSingletonPtr()->GetProjectOptions()->ProjectDir.c_str());
if(directory.isEmpty())
directory = "./";
QDir(directory).mkpath("entitycache");
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual( "MeshMagickTex",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D,
512, 512, 0, Ogre::PF_R8G8B8A8 , Ogre::TU_RENDERTARGET );
Ogre::RenderTexture *rttTex = texture->getBuffer()->getRenderTarget();
Ogre::SceneManager *mSceneMgr = Ogre::Root::getSingletonPtr()->createSceneManager("OctreeSceneManager", "MeshMagickTexMgr");
Ogre::Light *dirl = mSceneMgr->createLight("DisplayLight");
dirl->setDirection(-1,-1,-1);
dirl->setDiffuseColour(1,1,1);
dirl->setType(Ogre::Light::LT_DIRECTIONAL);
Ogre::Camera* RTTCam = mSceneMgr->createCamera("MeshMagickCam");
RTTCam->setNearClipDistance(0.01F);
RTTCam->setFarClipDistance(0);
RTTCam->setAspectRatio(1);
RTTCam->setFOVy(Ogre::Degree(90));
RTTCam->setPosition(0,0,1);
RTTCam->lookAt(0,0,0);
Ogre::Viewport *v = rttTex->addViewport( RTTCam );
v->setClearEveryFrame( true );
v->setBackgroundColour(Ogre::ColourValue(0,0,0));
Ogre::Entity *mEntity;
mEntity = mSceneMgr->createEntity("scbDisplay", pMesh->getName());
mSceneMgr->getRootSceneNode()->attachObject(mEntity);
Ogre::Vector3 vSize = mEntity->getBoundingBox().getHalfSize();
Ogre::Vector3 vCenter = mEntity->getBoundingBox().getCenter();
vSize += Ogre::Vector3(vSize.z, vSize.z, vSize.z);
float maxsize = std::max(std::max(vSize.x,vSize.y),vSize.z);
vSize = Ogre::Vector3(0, 0, maxsize * 1.15f) + vCenter;
RTTCam->setPosition(vSize.x,vSize.y,vSize.z);
RTTCam->lookAt(vCenter.x,vCenter.y,vCenter.z);
rttTex->update();
Ogre::String imagefile = OgitorsUtils::QualifyPath(directory.toStdString() + "/entitycache/meshmagick.png");
rttTex->writeContentsToFile(imagefile);
mEntity->detachFromParent();
mSceneMgr->destroyEntity(mEntity);
rttTex->removeAllViewports();
Ogre::Root::getSingletonPtr()->destroySceneManager(mSceneMgr);
mDisplayWidget->setImage(QString(imagefile.c_str()));
}
void QOgreWorldView::OverlayUI(Ogre::PixelBox &ui)
{
PROFILE(QOgreWorldView_OverlayUI);
Ogre::TextureManager &mgr = Ogre::TextureManager::getSingleton();
Ogre::TexturePtr texture = mgr.getByName(texture_name_);
assert(texture.get());
texture->getBuffer()->blitFromMemory(ui);
}
bool EC_WidgetCanvas::Blit(const QImage &source, Ogre::TexturePtr destination)
{
#if defined(DIRECTX_ENABLED) && defined(WIN32)
Ogre::HardwarePixelBufferSharedPtr pb = destination->getBuffer();
Ogre::D3D9HardwarePixelBuffer *pixelBuffer = dynamic_cast<Ogre::D3D9HardwarePixelBuffer*>(pb.get());
if (!pixelBuffer)
return false;
LPDIRECT3DSURFACE9 surface = pixelBuffer->getSurface(Ogre::D3D9RenderSystem::getActiveD3D9Device());
if (surface)
{
D3DSURFACE_DESC desc;
HRESULT hr = surface->GetDesc(&desc);
if (SUCCEEDED(hr))
{
D3DLOCKED_RECT lock;
HRESULT hr = surface->LockRect(&lock, 0, 0);
if (SUCCEEDED(hr))
{
const int bytesPerPixel = 4; ///\todo Count from Ogre::PixelFormat!
const int sourceStride = bytesPerPixel * source.width();
if (lock.Pitch == sourceStride)
memcpy(lock.pBits, source.bits(), sourceStride * source.height());
else
for(int y = 0; y < source.height(); ++y)
memcpy((u8*)lock.pBits + lock.Pitch * y, source.bits() + sourceStride * y, sourceStride);
surface->UnlockRect();
}
}
}
#else
if (!destination->getBuffer().isNull())
{
Ogre::Box update_box(0, 0, source.width(), source.height());
Ogre::PixelBox pixel_box(update_box, Ogre::PF_A8R8G8B8, (void*)source.bits());
destination->getBuffer()->blitFromMemory(pixel_box, update_box);
}
#endif
return true;
}
void RenderWindow::UpdateOverlayImage(const QImage &src)
{
PROFILE(RenderWindow_UpdateOverlayImage);
Ogre::Box bounds(0, 0, src.width(), src.height());
Ogre::PixelBox bufbox(bounds, Ogre::PF_A8R8G8B8, (void *)src.bits());
Ogre::TextureManager &mgr = Ogre::TextureManager::getSingleton();
Ogre::TexturePtr texture = mgr.getByName(rttTextureName);
assert(texture.get());
texture->getBuffer()->blitFromMemory(bufbox);
}
void EC_RttTarget::SetAutoUpdated(bool val)
{
if (!ViewEnabled())
return;
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().getByName(textureName.Get().toStdString());
if (tex.isNull())
{
LogError("render target texture getting failed.");
return;
}
Ogre::RenderTexture *render_texture = tex->getBuffer()->getRenderTarget();
if (!render_texture)
{
LogError("Render target texture getting failed.");
return;
}
tex->getBuffer()->getRenderTarget()->setAutoUpdated(val);
}
void GlobalMap::exploreCell(int cellX, int cellY)
{
float originX = static_cast<float>((cellX - mMinX) * mCellSize);
// NB y + 1, because we want the top left corner, not bottom left where the origin of the cell is
float originY = static_cast<float>(mHeight - (cellY + 1 - mMinY) * mCellSize);
if (cellX > mMaxX || cellX < mMinX || cellY > mMaxY || cellY < mMinY)
return;
Ogre::TexturePtr localMapTexture = Ogre::TextureManager::getSingleton().getByName("Cell_"
+ boost::lexical_cast<std::string>(cellX) + "_" + boost::lexical_cast<std::string>(cellY));
if (!localMapTexture.isNull())
{
int mapWidth = localMapTexture->getWidth();
int mapHeight = localMapTexture->getHeight();
mOverlayTexture->load();
mOverlayTexture->getBuffer()->blit(localMapTexture->getBuffer(), Ogre::Image::Box(0,0,mapWidth,mapHeight),
Ogre::Image::Box(static_cast<Ogre::uint32>(originX), static_cast<Ogre::uint32>(originY),
static_cast<Ogre::uint32>(originX + mCellSize), static_cast<Ogre::uint32>(originY + mCellSize)));
Ogre::Image backup;
std::vector<Ogre::uchar> data;
data.resize(mCellSize*mCellSize*4, 0);
backup.loadDynamicImage(&data[0], mCellSize, mCellSize, Ogre::PF_A8B8G8R8);
localMapTexture->getBuffer()->blitToMemory(Ogre::Image::Box(0,0,mapWidth,mapHeight), backup.getPixelBox());
for (int x=0; x<mCellSize; ++x)
for (int y=0; y<mCellSize; ++y)
{
assert (originX+x < mOverlayImage.getWidth());
assert (originY+y < mOverlayImage.getHeight());
assert (x < int(backup.getWidth()));
assert (y < int(backup.getHeight()));
mOverlayImage.setColourAt(backup.getColourAt(x, y, 0), static_cast<size_t>(originX + x), static_cast<size_t>(originY + y), 0);
}
}
}
void ReliefApp::GenerateRelief()
{
//Get depth data
Ogre::TexturePtr depthTex = Ogre::TextureManager::getSingleton().createManual(
"DepthTexture", // name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, // type
512, // width
512, // height
0, // number of mipmaps
//Ogre::PF_B8G8R8A8, // pixel format
Ogre::PF_FLOAT32_R,
Ogre::TU_RENDERTARGET
);
Ogre::RenderTarget* pTarget = depthTex->getBuffer()->getRenderTarget();
Ogre::Camera* pOrthCam = MagicCore::RenderSystem::GetSingleton()->GetMainCamera();
pOrthCam->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
pOrthCam->setOrthoWindow(3, 3);
pOrthCam->setPosition(0, 0, 3);
pOrthCam->lookAt(0, 0, 0);
pOrthCam->setAspectRatio(1.0);
pOrthCam->setNearClipDistance(0.5);
pOrthCam->setFarClipDistance(5);
Ogre::Viewport* pViewport = pTarget->addViewport(pOrthCam);
pViewport->setDimensions(0, 0, 1, 1);
MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "Depth", mpLightMesh);
MagicCore::RenderSystem::GetSingleton()->Update();
Ogre::Image img;
depthTex->convertToImage(img);
std::vector<double> heightField(512 * 512);
for(int x = 0; x < 512; x++)
{
for(int y = 0; y < 512; y++)
{
heightField.at(x * 512 + y) = (img.getColourAt(x, 511 - y, 0))[1];
}
}
Ogre::TextureManager::getSingleton().remove("DepthTexture");
//
MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::PlaneReliefFromHeightField(heightField, 511, 511);
//MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::CylinderReliefFromHeightField(heightField, 511, 511);
if (pReliefMesh != NULL)
{
delete mpLightMesh;
mpLightMesh = pReliefMesh;
mpLightMesh->UnifyPosition(2);
mpLightMesh->UpdateNormal();
}
MagicCore::RenderSystem::GetSingleton()->SetupCameraDefaultParameter();
MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "MyCookTorrance", mpLightMesh);
}
/*!
Get the result of the rendering loop.
\param I : The image on which to copy the result of the rendering loop.
\param cMo : The desired camera pose.
*/
void vpAROgre::getRenderingOutput(vpImage<vpRGBa> &I, const vpHomogeneousMatrix &cMo)
{
updateCameraParameters(cMo);
Ogre::TexturePtr dynTexPtr = Ogre::TextureManager::getSingleton().getByName("rtf");
//#if ( OGRE_VERSION >= (1 << 16 | 9 << 8 | 0) )
// .dynamicCast<Ogre::Texture>();
//#else
// ;
//#endif
Ogre::RenderTexture* RTarget = dynTexPtr->getBuffer()->getRenderTarget();
mWindow->update();
RTarget->update();
if(I.getHeight() != mWindow->getHeight() || I.getWidth() != mWindow->getWidth()){
I.resize(mWindow->getHeight(), mWindow->getWidth());
}
Ogre::HardwarePixelBufferSharedPtr mPixelBuffer = dynTexPtr->getBuffer();
mPixelBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD);
const Ogre::PixelBox& pixelBox = mPixelBuffer->getCurrentLock();
dynTexPtr->getBuffer()->blitToMemory(pixelBox);
Ogre::uint8* pDest = static_cast<Ogre::uint8*>(pixelBox.data);
#if 1 // if texture in BGRa format
for(unsigned int i=0; i<I.getHeight(); i++){
for(unsigned int j=0; j<I.getWidth(); j++){
// Color Image
I[i][j].B = *pDest++; // Blue component
I[i][j].G = *pDest++; // Green component
I[i][j].R = *pDest++; // Red component
I[i][j].A = *pDest++; // Alpha component
}
}
#else // if texture in RGBa format which is the format of the input image
memcpy(I.bitmap, pDest, I.getHeight()*I.getWidth()*sizeof(vpRGBa));
#endif
// Unlock the pixel buffer
mPixelBuffer->unlock();
}
void PlayState::enter()
{
mLuaState = lua_open();
luaL_openlibs(mLuaState);
luabind::open(mLuaState);
LuaBinding binder(mLuaState);
binder.bindLua();
mKeyboard = InputManager::getSingletonPtr()->getKeyboard();
mMouse = InputManager::getSingletonPtr()->getMouse();
mRoot = Root::getSingletonPtr();
mSoundMgr = SoundManager::getSingletonPtr();
mGUI = 0;
mViewport = 0;
//mCurrentLevel = 0;
createSounds();
mContinue = true;
mRotate = 0.13;
mFriendScore = 0;
mFocusActor = 0;
mRivalScore = 0;
mFriendLastScore = 0;
mRivalLastScore = 0;
firstConsoleInit = true;
Ogre::ShadowTextureManager::getSingletonPtr()->clear();
mSceneMgr = mRoot->createSceneManager(Ogre::ST_EXTERIOR_CLOSE, "Default SceneManager");
mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
DotLevelLoader loader(mLuaState);
loader.parseLevels("game.levels", mLevels);
createScene();
mViewport = mRoot->getAutoCreatedWindow()->addViewport(mCamera);
initPlayerCam();
mViewport->setBackgroundColour(ColourValue(0.0, 0.0, 0.0));
initGUI();
mWindow = mRoot->getAutoCreatedWindow();
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual("RttTex",
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, TEX_TYPE_2D, mWindow->getWidth(), mWindow->getHeight(), 0, PF_R8G8B8,
TU_RENDERTARGET);
mRenderTexture = texture->getBuffer()->getRenderTarget();
mRenderTexture->addViewport(mCamera);
mRenderTexture->getViewport(0)->setBackgroundColour(ColourValue::Black);
mRenderTexture->getViewport(0)->setOverlaysEnabled(true);
}
/****************************************************************************
**
** Copyright (C) 2016 - 2017
**
** This file is part of the Magus toolkit
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
#include "constants.h"
#include "texturelayer.h"
#include "OgreHlmsPbs.h"
#include "OgreHlmsManager.h"
#include "OgreLogManager.h"
#include "OgreStringConverter.h"
#include <fstream>
#include <ctime>
//****************************************************************************/
TextureLayer::TextureLayer(void) :
mTextureOnWhichIsPaintedWidth(0),
mTextureOnWhichIsPaintedHeight(0),
mTextureOnWhichIsPaintedHasAlpha(false),
mNumMipMaps(0),
mTextureTypeDefined(false),
mMaxSequence(0)
{
mTextureType = Ogre::PBSM_DIFFUSE;
mDatablockId = "";
mTextureFileName = "";
}
//****************************************************************************/
TextureLayer::~TextureLayer(void)
{
}
//****************************************************************************/
void TextureLayer::setDatablockIdAndTexture (const Ogre::IdString& datablockId,
Ogre::PbsTextureTypes textureType,
const Ogre::String& textureFileName)
{
mDatablockId = datablockId;
mTextureType = textureType;
mTextureFileName = textureFileName;
mTextureTypeDefined = true;
// Load the texture as image; assume it can be loaded, because it was already loaded as part of the material
setFirstTextureGeneration();
// Create the pixelbox of the original texture; this MUST be a separate image
mOriginalTexture.load(textureFileName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mPixelboxOriginalTexture = mOriginalTexture.getPixelBox(0, 0);
// Debug texture
//Ogre::LogManager::getSingleton().logMessage("Debug texture: " + textureFileName);
//Ogre::LogManager::getSingleton().logMessage("Depth: " + Ogre::StringConverter::toString(mOriginalTexture.getDepth()));
//Ogre::LogManager::getSingleton().logMessage("Pixel format: " + Ogre::StringConverter::toString(mOriginalTexture.getFormat()));
//Ogre::LogManager::getSingleton().logMessage("Alpha: " + Ogre::StringConverter::toString(mOriginalTexture.getHasAlpha()));
//Ogre::LogManager::getSingleton().logMessage("Height: " + Ogre::StringConverter::toString(mOriginalTexture.getHeight()));
//Ogre::LogManager::getSingleton().logMessage("Number of faces: " + Ogre::StringConverter::toString(mOriginalTexture.getNumFaces()));
//Ogre::LogManager::getSingleton().logMessage("Number of mipmaps: " + Ogre::StringConverter::toString(mOriginalTexture.getNumMipmaps()));
//Ogre::LogManager::getSingleton().logMessage("Width: " + Ogre::StringConverter::toString(mOriginalTexture.getWidth()));
}
//****************************************************************************/
void TextureLayer::blitTexture (void)
{
/* Always get the actual pointers, because they may change. That is the reason why the datablock pointer cannot be cached.
* The same seems to apply to the texture pointer.
*/
Ogre::HlmsDatablock* datablock;
Ogre::HlmsPbsDatablock* datablockPbs;
Ogre::TexturePtr texture;
Ogre::HlmsManager* hlmsManager = Ogre::Root::getSingletonPtr()->getHlmsManager();
Ogre::HlmsPbs* hlmsPbs = static_cast<Ogre::HlmsPbs*>(hlmsManager->getHlms(Ogre::HLMS_PBS));
datablock = hlmsPbs->getDatablock(mDatablockId);
if (!datablock)
return;
datablockPbs = static_cast<Ogre::HlmsPbsDatablock*>(datablock);
try
{
// Get texture on GPU
if (!datablockPbs->getTexture(mTextureType).isNull())
{
texture = datablockPbs->getTexture(mTextureType); // TextureType MUST exist, otherwise the application crashes
mNumMipMaps = texture->getNumMipmaps();
}
}
catch (Ogre::Exception e){}
if (texture.isNull())
return;
Ogre::uint8 maxMipMaps = mNumMipMaps + 1; // Increase with one, because there is always one image to blit
maxMipMaps = maxMipMaps > PAINT_MAX_MIP_MAPS ? PAINT_MAX_MIP_MAPS : maxMipMaps; // Just paint a few mipmaps (not all)
Ogre::Image textureOnWhichIsPaintedScaled = mTextureOnWhichIsPainted; // Temporary image must be used, otherwise painting doesn't work
size_t w = mTextureOnWhichIsPaintedWidth;
size_t h = mTextureOnWhichIsPaintedHeight;
Ogre::v1::HardwarePixelBuffer* buffer;
for (Ogre::uint8 i = 0; i < maxMipMaps; ++i)
{
buffer = texture->getBuffer(0, i).getPointer();
buffer->blitFromMemory(textureOnWhichIsPaintedScaled.getPixelBox(0, 0), Ogre::Box(0, 0, 0, w, h, 1));
w*=0.5f; // Mipmaps always are half of the previous one
h*=0.5f;
if (w < 1.0f || h < 1.0f)
break; // Stop when the mipmaps are too small
textureOnWhichIsPaintedScaled.resize(w, h);
}
textureOnWhichIsPaintedScaled.freeMemory();
}
void GPGPUDemo::launch()
{
// create rendertarget
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().createManual("Ogre/GPGPU/RT", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, 512, 512, 0, Ogre::PF_R8G8B8A8, Ogre::TU_RENDERTARGET);
// load material
Ogre::MaterialPtr mat = Ogre::MaterialManager::getSingleton().getByName("GPGPUDemo");
mat->load();
Ogre::GPGPU::Root* gpgpu = new Ogre::GPGPU::Root;
Ogre::GPGPU::Result* result = gpgpu->createResult(tex->getBuffer(0, 0));
Ogre::GPGPU::Operation* op = gpgpu->createOperation(mat->getTechnique(0)->getPass(0));
Chrono chrono(true);
for (unsigned int i=0; i<5000; ++i)
gpgpu->compute(result, op);
result->save("gpgpu_computing.png");
std::cout << chrono.getTimeElapsed() << "ms [rendering+saving]" << std::endl;
}
void UiManager::renderIntoTexture(const Ogre::TexturePtr &aTexture)
{
assert(!aTexture.isNull());
assert(isViewSizeMatching(aTexture));
Ogre::HardwarePixelBufferSharedPtr hwBuffer = aTexture->getBuffer(0, 0);
hwBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD);
const Ogre::PixelBox &pb = hwBuffer->getCurrentLock();
// render into texture buffer
QImage textureImg((uchar *)pb.data, pb.getWidth(), pb.getHeight(), QImage::Format_ARGB32);
textureImg.fill(0);
QPainter painter(&textureImg);
mWidgetView->render(&painter, QRect(QPoint(0, 0), mWidgetView->size()), QRect(QPoint(0, 0), mWidgetView->size()));
hwBuffer->unlock();
}
void TerrainWeightEditor::ApplyWeightTexture()
{
if(!GetSceneManager())
return;
QImage map = CreateImageFromCanvases();
if(map.isNull())
return;
if(map.format() != QImage::Format_ARGB32)
{
map = map.convertToFormat(QImage::Format_ARGB32/*,Qt::NoOpaqueDetection*/);
}
Ogre::Box bounds(0, 0, map.width(), map.height());
Ogre::PixelBox bufbox(bounds, Ogre::PF_A8R8G8B8, (void *)map.bits());
Scene::EntityList list = scene_manager_->GetEntitiesWithComponent("EC_Terrain");
Scene::EntityList::const_iterator it = list.begin();
while(it!= list.end())
{
boost::shared_ptr<EC_Terrain> ptr = (*it)->GetComponent<EC_Terrain>();
QString texname;
texname += (*it)->GetName();
texname += ptr->TypeName();
texname += ptr->Name();
texname += ".png";
Ogre::String str(texname.toStdString());
Ogre::TextureManager::getSingleton().remove(str);
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().createManual(str, "General", Ogre::TEX_TYPE_2D, bufbox.getWidth(), bufbox.getHeight(),bufbox.getDepth(),0,bufbox.format,Ogre::TU_DYNAMIC_WRITE_ONLY);
if(tex.get())
{
tex->getBuffer()->blitFromMemory(bufbox);
}
ptr->texture0.Set(AssetReference(texname/*, "OgreTexture"*/), AttributeChange::Disconnected);
it++;
///For now we just save this to assets folder. Later on, this should be replicated to server/clients etc.
QImageWriter writer("data/assets/" + texname);
writer.setCompression(0);
writer.write(map);
}
}
void McsHudGui::addFrameGraph(CEGUI::Window* sheet)
{
Ogre::TexturePtr tex = mOgreRoot->getTextureManager()->createManual(
"FrameGraph", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D,
TimeGraphMaxFrames, TimeGraphMaxResolution, 0, Ogre::PF_R8G8B8, Ogre::TU_RENDERTARGET);
Ogre::SceneManager* debugSceneMgr = mOgreRoot->createSceneManager(Ogre::ST_GENERIC);
debugSceneMgr->setAmbientLight(Ogre::ColourValue(1.0f, 1.0f, 1.0f));
Ogre::MaterialPtr frameLinesMaterial = Ogre::MaterialManager::getSingleton().create("frameLinesMaterial","Game");
frameLinesMaterial->setReceiveShadows(false);
frameLinesMaterial->getTechnique(0)->setLightingEnabled(false);
frameLinesMaterial->getTechnique(0)->getPass(0)->setDepthCheckEnabled(false);
frameLinesMaterial->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false);
mFrameLines = new FrameGraphRenderable(TimeGraphMaxFrames, TimeGraphMaxResolution);
mFrameLines->setMaterial("frameLinesMaterial");
Ogre::SceneNode* frameLinesNode = debugSceneMgr->getRootSceneNode()->createChildSceneNode("frameGraph_node");
frameLinesNode->attachObject(mFrameLines);
Ogre::Camera* dbg_camera = debugSceneMgr->createCamera("item_camera");
dbg_camera->setAspectRatio(static_cast<Ogre::Real>(TimeGraphMaxFrames) / static_cast<Ogre::Real>(TimeGraphMaxResolution));
Ogre::Viewport *v = tex->getBuffer()->getRenderTarget()->addViewport(dbg_camera);
v->setClearEveryFrame( true );
v->setBackgroundColour( Ogre::ColourValue::Black );
CEGUI::Texture& guiTex = mCeRenderer->createTexture(tex);
CEGUI::Imageset& imageSet = CEGUI::ImagesetManager::getSingleton().create("FrameGraphImageset", guiTex);
imageSet.defineImage("FrameGraphImage", CEGUI::Point(0.0f, 0.0f), CEGUI::Size(guiTex.getSize()), CEGUI::Point(0.0f, 0.0f));
CEGUI::Window* si = CEGUI::WindowManager::getSingleton().createWindow("TaharezLook/StaticImage", "FrameGraphWindow");
si->setSize(CEGUI::UVector2(CEGUI::UDim(0.0f, TimeGraphMaxFrames), CEGUI::UDim(0.0f, TimeGraphMaxResolution)));
si->setPosition(CEGUI::UVector2(CEGUI::UDim(0.0f, 0), CEGUI::UDim(1.0f, -TimeGraphMaxResolution)));
si->setProperty("Image", CEGUI::PropertyHelper::imageToString(&imageSet.getImage("FrameGraphImage")));
si->setAlpha(0.6f);
si->setProperty("BackgroundEnabled", "False");
si->setProperty("FrameEnabled", "False");
sheet->addChildWindow(si);
}
//----------------------------------------------------------------------------------------
ImageConverter::ImageConverter(const size_t& width/*=128*/, const size_t& height/*=128*/)
{
mWidth = width;
mHeight = height;
mResourceManager = Ogre::ResourceGroupManager::getSingletonPtr();
mResourceManager->createResourceGroup("QTImageConverter");
mResourceManager->initialiseResourceGroup("QTImageConverter");
mSceneMgrPtr = Ogre::Root::getSingletonPtr()->createSceneManager("OctreeSceneManager", "QTImageConverterSceneManager");
mSceneMgrPtr->setAmbientLight(Ogre::ColourValue(1, 1, 1));
Ogre::TexturePtr rendertexture = Ogre::TextureManager::getSingleton().createManual("RenderTex",
"QTImageConverter", Ogre::TEX_TYPE_2D,
mWidth, mHeight, 1, Ogre::PF_R8G8B8, Ogre::TU_RENDERTARGET);
mRttTex = rendertexture->getBuffer()->getRenderTarget();
// create our plane to set a texture to
Ogre::Plane plane(Ogre::Vector3::UNIT_Z, 0);
Ogre::MeshManager::getSingleton().createPlane("terrain", "QTImageConverter",
plane, 100, 100, 1, 1, true, 1, 1, 1, Ogre::Vector3::UNIT_Y);
// attach the plane to the scene manager and rotate it so the camera can see it
mEntityTerrain = mSceneMgrPtr->createEntity("terrainEntity", "terrain");
Ogre::SceneNode* node = mSceneMgrPtr->getRootSceneNode()->createChildSceneNode();
node->attachObject(mEntityTerrain);
mEntityTerrain->setCastShadows(false);
Ogre::Camera* RTTCam = mSceneMgrPtr->createCamera("QTImageConverterCam");
RTTCam->setNearClipDistance(0.01F);
RTTCam->setFarClipDistance(0);
RTTCam->setAspectRatio(1);
RTTCam->setFOVy(Ogre::Degree(90));
RTTCam->setPosition(0, 0, 50);
RTTCam->lookAt(0, 0, 0);
Ogre::Viewport *v = mRttTex->addViewport(RTTCam);
v->setBackgroundColour(Ogre::ColourValue(1, 1, 1));
v->setClearEveryFrame(true);
}