OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

panfrost: Note glDrawRangeElements underflow

Browse Source 
Hopefully this helps someone wiring up robustness later on.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21891>
This commit is contained in:
Alyssa Rosenzweig
2023-03-14 14:11:33 -04:00
committed by Marge Bot
parent c832831a6f
commit 2bab56737c
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/gallium/drivers/panfrost/pan_helpers.c
View File

@@ -127,6 +127,12 @@ panfrost_get_index_buffer_bounded(struct panfrost_batch *batch,
struct panfrost_context *ctx = batch->ctx;
bool needs_indices = true;
/* Note: if index_bounds_valid is set but the bounds are wrong, page faults
* (at least on Mali-G52) can be triggered an underflow reading varyings.
* Providing invalid index bounds in GLES is implementation-defined
* behaviour. This should be fine for now but this needs to be revisited when
* wiring up robustness later.
*/
if (info->index_bounds_valid) {
*min_index = info->min_index;
*max_index = info->max_index;