On Wed, Jan 18, 2023 at 04:34:00PM -0600, Andrew Davis via 
lists.yoctoproject.org wrote:
> On 1/18/23 3:50 PM, Denys Dmytriyenko wrote:
> >On Wed, Jan 04, 2023 at 04:15:44PM -0600, Andrew Davis via 
> >lists.yoctoproject.org wrote:
> >>On 1/4/23 3:07 PM, Denys Dmytriyenko wrote:
> >>>On Wed, Jan 04, 2023 at 01:07:39PM -0600, Andrew Davis via 
> >>>lists.yoctoproject.org wrote:
> >>>>To match upstream oe-core/master.
> >>>>
> >>>>Signed-off-by: Andrew Davis <[email protected]>
> >>>>---
> >>>>  ...equire-GL_EXT_unpack_subimage-commit.patch | 91 +++++++++++++++++++
> >>>>  ...ct-plane-based-on-current-attached-C.patch | 52 +++++------
> >>>>  ..._9.0.0.bbappend => weston_10.0.2.bbappend} |  3 +-
> >>>>  3 files changed, 115 insertions(+), 31 deletions(-)
> >>>>  create mode 100644 
> >>>> meta-arago-distro/recipes-graphics/wayland/weston/0001-Revert-require-GL_EXT_unpack_subimage-commit.patch
> >>>>  rename 
> >>>> meta-arago-distro/recipes-graphics/wayland/{weston_9.0.0.bbappend => 
> >>>> weston_10.0.2.bbappend} (78%)
> >>>>
> >>>>diff --git 
> >>>>a/meta-arago-distro/recipes-graphics/wayland/weston/0001-Revert-require-GL_EXT_unpack_subimage-commit.patch
> >>>> 
> >>>>b/meta-arago-distro/recipes-graphics/wayland/weston/0001-Revert-require-GL_EXT_unpack_subimage-commit.patch
> >>>>new file mode 100644
> >>>>index 00000000..8bc882fb
> >>>>--- /dev/null
> >>>>+++ 
> >>>>b/meta-arago-distro/recipes-graphics/wayland/weston/0001-Revert-require-GL_EXT_unpack_subimage-commit.patch
> >>>>@@ -0,0 +1,91 @@
> >>>>+From 6558a9153cc81199146132041c61023a2c2e1b2e Mon Sep 17 00:00:00 2001
> >>>>+From: Andrew Davis <[email protected]>
> >>>>+Date: Thu, 6 Oct 2022 15:49:31 -0500
> >>>>+Subject: [PATCH] Revert require GL_EXT_unpack_subimage commit
> >>>>+
> >>>>+This reverts commit 593d5af43a8e2c2a3371088fa7ae430d0517c82d.
> >>>>+
> >>>>+That commit removed support for GPU drivers without 
> >>>>GL_EXT_unpack_subimage
> >>>>+which SGX does not support. Add back support for GPUs without this
> >>>>+extension.
> >>>
> >>>The obvious question - how safe is it to assume GL_EXT_unpack_subimage is
> >>>not being used some place else outside of this commit and not guarded by:
> >>>
> >>>if (!gr->has_unpack_subimage)
> >>>
> >>>
> >>>Is this extention really in the driver, or just in a Mesa API translation
> >>>layer? Could it be better fixed in the DDK?
> >>>
> >>
> >>You are right, it is not a very safe assumption, this patch is almost 
> >>certainly
> >>not complete for all cases. And even if it was, it only fixes Weston, 
> >>others like
> >>wlroots have the same issues[0], so other compositors are going to be 
> >>broken too.
> >>
> >>Long term this extension will need added to the driver. Unfortunately all 
> >>work on
> >>keeping this driver alive is unofficial, and I just don't have the free 
> >>time to
> >>add and test new extensions right now :(
> >>
> >>Andrew
> >>
> >>[0] 
> >>https://github.com/tmlind/wlroots/commit/04491889240bbadb693aa37036dc55835118b2cc
> >
> >Ryan,
> >
> >I see you are pulling this patch to the WIP branches - what's the consensus
> >here? As discussed, this is a very partial solution. Moreover, it only 
> >"fixes"
> >meta-arago, so won't help people using just meta-ti with other distros...
> >
> 
> Partial solution is better than no solution, right? Today even *with* 
> meta-arago
> your images will have broken graphics, at least with this we can start 
> building
> and testing some part of the graphics stack kirkstone.
> 
> (I don't like half-measures either, but it's all I have today)

Ok, sounds fair... Next question - was it tested and is it supposed to 
build/work? Or is it again a maintainers' problem? :)

-- 
Denys


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