[Haskell-cafe] Memory efficiency questions for real-time graphics
sebastian.sylvan at gmail.com
Tue Nov 4 14:05:59 EST 2008
On Mon, Nov 3, 2008 at 3:45 PM, Svein Ove Aas <svein.ove at aas.no> wrote:
> On Mon, Nov 3, 2008 at 11:31 AM, Tobias Bexelius
> <tobias.bexelius at avalanchestudios.se> wrote:
> > Before Direct3D 10, its too costly to read back the updated vertex data
> > in every frame, which force you to make this kind of operations on the
> > CPU.
> > With D3D 10 however, you should use the new Stream-Output stage which is
> > used to return updated vertex data directly to a vertex buffer on the
> > GPU. So if you can afford a new graphics card and likes Vista, that's
> > the way to go :)
> Or you could use OpenGL, which has supported that since the first GPUs
> that did were released.
I think that came with OpenGL 3.0. Unless you're counting vendor-specific
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