panfrost: Clarify how fs_sidefx works with oq

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11123>
2021-06-04 14:42:56 -04:00
parent 22a973601b
commit 2af0c02ffa
1 changed files with 2 additions and 1 deletions
@@ -263,7 +263,8 @@ panfrost_fs_required(
                struct panfrost_blend_state *blend,
                struct pipe_framebuffer_state *state)
 {
-        /* If we generally have side effects */
+        /* If we generally have side effects. This inclues use of discard,
+         * which can affect the results of an occlusion query. */
        if (fs->info.fs.sidefx)
                return true;