[Bug 81843] [SNB IVB HSW] ETC2 textures are not returned as compressed images

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu May 3 07:51:51 UTC 2018


--- Comment #1 from Eleni Maria Stea <estea at igalia.com> ---
There has been some workaround related to this issue:

There is a patch proposal awaiting review at:

that can be tested quickly with this test program:

With the patch, Gen7 GPUs that cannot compress ETC2 images, store both the
compressed and the non-compressed data of the ETC2 images in two different
miptrees. Then, the non-compressed data are used for the rendering like before
and the compressed data for the GetCompressed* functions to work properly.

see also: https://bugs.freedesktop.org/show_bug.cgi?id=104272

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