C++ (Cpp) HardwarePixelBufferSharedPtr::getRenderTarget Examples

Example #1

File: WXMiniMapMaker.cpp Project: ueverything/mmo-resourse

    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);
        }
    }

Example #2

File: ros_rtt_texture.cpp Project: Praveen-Ramanujam/srs_public

CRosRttTexture::CRosRttTexture(unsigned width, unsigned height, Ogre::Camera * camera, bool isDepth /*= false*/ )
: m_materialName("MyRttMaterial")
, width_(width)
, height_(height)
, frame_("/map")
, m_bIsDepth( isDepth )
{
  assert( height > 0 && width > 0 );

  {
    // Set encoding
    current_image_.encoding = ROS_IMAGE_FORMAT;

    // Set image size
    current_image_.width = width;
    current_image_.height = height;

    // Set image row length in bytes (row length * 3 bytes for a color)
    current_image_.step = width * BPP;

#if OGRE_ENDIAN == ENDIAN_BIG
    current_image_.is_bigendian = true;
#else
        current_image_.is_bigendian = false;
#endif

    // Resize data
    current_image_.data.resize( width_ * height_ * BPP);

  }

  Ogre::TextureManager & lTextureManager( Ogre::TextureManager::getSingleton() );
  Ogre::String textureName("RVIZ_CamCast_Texture");
  bool lGammaCorrection( false );
  unsigned int lAntiAliasing( 0 );
  unsigned int lNumMipmaps( 0 );

  if( isDepth )
  {
	  texture_ = lTextureManager.createManual(textureName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
		  Ogre::TEX_TYPE_2D, width, height, lNumMipmaps,
		  OGRE_DEPTH_TEXTURE_FORMAT, Ogre::TU_RENDERTARGET, 0, lGammaCorrection, lAntiAliasing);
  }
  else
  {
	  texture_ = lTextureManager.createManual(textureName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
	  		  Ogre::TEX_TYPE_2D, width, height, lNumMipmaps,
	  		  OGRE_TEXTURE_FORMAT, Ogre::TU_RENDERTARGET, 0, lGammaCorrection, lAntiAliasing);
  }

  // Create render target
  Ogre::RenderTexture* lRenderTarget = NULL;

  Ogre::HardwarePixelBufferSharedPtr lRttBuffer = texture_->getBuffer();
  lRenderTarget = lRttBuffer->getRenderTarget();
  lRenderTarget->setAutoUpdated(true);

  // Create and attach viewport

  Ogre::Viewport* lRttViewport1 = lRenderTarget->addViewport(camera, 50, 0.00f, 0.00f, 1.0f, 1.0f);
  lRttViewport1->setAutoUpdated(true);
  Ogre::ColourValue lBgColor1(0.0,0.0,0.0,1.0);
  lRttViewport1->setBackgroundColour(lBgColor1);

  // create a material using this texture.

  //Get a reference on the material manager, which is a singleton.
  Ogre::MaterialManager& lMaterialManager = Ogre::MaterialManager::getSingleton();
  Ogre::MaterialPtr lMaterial = lMaterialManager.create(m_materialName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
  Ogre::Technique * lTechnique = lMaterial->getTechnique(0);
  Ogre::Pass* lPass = lTechnique->getPass(0);

  if( isDepth )
  {
	  lPass->setLightingEnabled(false);
  }

  Ogre::TextureUnitState* lTextureUnit = lPass->createTextureUnitState();
  lTextureUnit->setTextureName(textureName);

  lTextureUnit->setNumMipmaps(0);
  lTextureUnit->setTextureFiltering(Ogre::TFO_BILINEAR);

  update();
}