[Mesa-dev] [PATCH v2 2/2] st/mesa: provide GL_OES_copy_image support by caching the original ETC data

[Ilia Mirkin]

Praise from Caesar is praise indeed :) Is that a R-b, or just saying
it for posterity?

On Thu, Jul 28, 2016 at 7:25 AM, Marek Olšák <maraeo at gmail.com> wrote:
> Well, I couldn't find anything wrong with this.
>
> Marek
>
> On Sat, Jul 16, 2016 at 6:21 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
>> The additional provision of GL_OES_copy_image is that it work for ETC.
>> However many desktop GPUs don't have native ETC support, so st/mesa does
>> the decoding by hand. Instead of discarding the compressed data, keep it
>> around in CPU memory. Use it when performing image copies.
>>
>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>> ---
>>  docs/GL3.txt                             |  2 +-
>>  docs/relnotes/12.1.0.html                |  1 +
>>  src/mesa/state_tracker/st_cb_copyimage.c | 96 +++++++++++++++++++++++++++++++-
>>  src/mesa/state_tracker/st_cb_texture.c   | 77 +++++++++++++++++--------
>>  src/mesa/state_tracker/st_extensions.c   | 12 +---
>>  src/mesa/state_tracker/st_texture.h      |  7 ++-
>>  6 files changed, 156 insertions(+), 39 deletions(-)