fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-09 04:38:03 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

intel/blorp: Work around Sandy Bridge occlusion query issue

Browse source 
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Jason Ekstrand 2017-06-08 09:36:15 -07:00
parent 39a13c08dc
commit 7175561598
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/intel/blorp/blorp_clear.c
View file

@ -479,6 +479,16 @@ blorp_clear_depth_stencil(struct blorp_batch *batch,
params.x1 = x1;
params.y1 = y1;
if (ISL_DEV_GEN(batch->blorp->isl_dev) == 6) {
/* For some reason, Sandy Bridge gets occlusion queries wrong if we
* don't have a shader. In particular, it records samples even though
* we disable statistics in 3DSTATE_WM. Give it the usual clear shader
* to work around the issue.
*/
if (!blorp_params_get_clear_kernel(batch->blorp, &params, false))
return;
}
while (num_layers > 0) {
params.num_layers = num_layers;