The first two are real memory, the third is just an OpenGL object managing ... PBO and using glTexImage2D() which is a fast GPU-to-GPU memory transfer then. Finally that texture is rendered to an FBO attachment with a full ...

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

16 Aug 2010 ... 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 ...

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 ...

Simple Cubemap Texture For a direct link to this sample, right-click and copy the ... Simple Peer-to-Peer Transfers with Multi-GPU For a direct link to this sample, ..... Naturally(Hadamard)-ordered Fast Walsh Tranform for batched vectors of ...

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 ...

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.

9 Feb 2009 ... CUDA also offers highly optimized data transfers to and from the GPU. ... Device to device memory copies are very fast in CUDA 1.0. ... It is possible to read OpenGL textures to buffer objects and then map these and do global ...