Cool. Thanks Lionel! Best, Phi
On Thu, Aug 16, 2018 at 12:03 PM Lionel Landwerlin < [email protected]> wrote: > Hey Phi, > > I can confirm this extension isn't implemented in Mesa. > I don't why it wasn't. > > Talking briefly with Jason, it seems that mapping texture makes less sense > on Skylake and above generations. > There we maintain compressed version of the textures in memory to further > reduce memory bandwidth. > This would make the memory mapped mechanism more costly because we would > need to decompress the texture when you want to access it (probably close > to a ReadPixels in terms of performance). > > - > Lionel > > On 16/08/18 14:23, Phi Nguyen wrote: > > Hi, > > I hope to use the zero-memory copy on the Iris Pro 6200 > (Broadwell/Skylake). > > The extension > <https://www.khronos.org/registry/OpenGL/extensions/INTEL/INTEL_map_texture.txt> > says > only OpenGL 3.0 is required yet it does not show up on Ubuntu 18.04. I saw > a post from 2016 > <https://lists.freedesktop.org/archives/mesa-dev/2016-January/105850.html> > mentioning > this feature, but that didn't get any replies. > > Does an implementation of this even exist? How would I go about getting > it? > > Thank you, > Phi > > > _______________________________________________ > mesa-dev mailing > [email protected]https://lists.freedesktop.org/mailman/listinfo/mesa-dev > > >
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