panfrost: Conditionally submit fragment job

If there are no tiling jobs and no clears, there is no need to submit a
fragment job (relevant for transform feedback).

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

diff --git a/src/gallium/drivers/panfrost/pan_drm.c b/src/gallium/drivers/panfrost/pan_drm.c
index 77ec419..3914fdc 100644 (file)
--- a/src/gallium/drivers/panfrost/pan_drm.c
+++ b/src/gallium/drivers/panfrost/pan_drm.c
@@ -265,7 +265,10 @@ panfrost_drm_submit_vs_fs_job(struct panfrost_context *ctx, bool has_draws, bool
                assert(!ret);
        }
 
-       ret = panfrost_drm_submit_job(ctx, panfrost_fragment_job(ctx, has_draws), PANFROST_JD_REQ_FS, surf);
+        if (job->first_tiler.gpu || job->clear) {
+                ret = panfrost_drm_submit_job(ctx, panfrost_fragment_job(ctx, has_draws), PANFROST_JD_REQ_FS, surf);
+                assert(!ret);
+        }
 
         return ret;
 }