The first two are real memory, the third is just an OpenGL object ... notation from above) and transfer it to an OpenGL texture by binding that PBO and using glTexImage2D() which is a fast GPU-to-GPU memory transfer then.

Fast Texture Downloads and Readbacks using Pixel Buffer Objects in OpenGL ... application during transfers to and from the graphics processing unit (GPU).

Fast: Because the easy code above would copy the OptiX rendered image onto a texture and ... color attachment texture, there is one texture transfer too much. ... then get the "outputBuffer" into its texture , something like this: ... an OpenGL buffer object which is shared via CUDA-OpenGL interoperability.

In Chapter 20, "Fast Third-Order Texture Filtering," authors Christian Sigg of ... for rendering such infamously problematic narrow 3D objects as telephone and ..... " Curvature-Based Transfer Functions for Direct Volume Rendering: Methods and ...

21 Feb 2007 ... However, I'm a bit perplexed about how to transfer data the other way, since ... to a texture and the pixel buffer object to copy the contents of the texture into a ... But the copy is GPU memory to GPU memory, which is really fast.

You can copy the texture data to a pixel buffer object (PBO) and then map this ... Transfers from page-locked memory are faster because the GPU can DMA ...

Our technique is efficient enough when implemented on a fast GPU to calculate ... It does not have the limitations of precomputed radiance transfer (PRT) or ... are limited to rigid objects that do not move relative to one another (Sloan 2002). ... We store element data (position, normal, and area) in texture maps because we ...

18 Dec 2008 ... You can copy the texture data to a pixel buffer object (PBO) and then ... Transfers from page-locked memory are faster because the GPU can ...

The SceniX scene management engine is an object-oriented programming library ... easily combine, extend, and create their own fast and reliable graphics applications. ... SceniX handles the lower-level tasks of rendering and transferring data, ... including support for geometry and tessellation shaders, texture arrays, and ...