Method RenderTexture

Rendering/VolumeOpenGL2/vtkOpenGLRayCastImageDisplayHelper.cxx:66–72

------------------------------------------------------------------------------ imageMemorySize is how big the texture is - this is always a power of two imageViewportSize is how big the renderer viewport is in pixels imageInUseSize is the rendered image - equal or smaller than imageMemorySize and imageViewportSize imageOrigin is the starting pixel of the imageInUseSize image on the t

//                   the imageViewportSize viewport
//
void vtkOpenGLRayCastImageDisplayHelper::RenderTexture(
  vtkVolume* vol, vtkRenderer* ren, vtkFixedPointRayCastImage* image, float requestedDepth)
{
  this->RenderTextureInternal(vol, ren, image->GetImageMemorySize(), image->GetImageViewportSize(),
    image->GetImageInUseSize(), image->GetImageOrigin(), requestedDepth, VTK_UNSIGNED_SHORT,
    image->GetImage());
}

//------------------------------------------------------------------------------
void vtkOpenGLRayCastImageDisplayHelper::RenderTexture(vtkVolume* vol, vtkRenderer* ren,