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winsys(redox): real fence_submit implementation (bump last_seqno)

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vasilito
2026-07-26 16:07:30 +09:00
parent 589a1044e6
commit 2ef47b2c92
1 changed files with 17 additions and 17 deletions
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local/recipes/libs/mesa/source/src/gallium/winsys/redox/drm/redox_drm_winsys.c
+17 -17
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@@ -208,25 +208,25 @@ redox_fence_submit(struct pipe_screen *screen,
struct pipe_context *ctx,
struct pipe_fence_handle **fence)
{
/* The pipe_context's flush path submits the CS and stores a fence
* pointing at the new seqno. The winsys submits via redox_drm_cs
* and the resulting seqno replaces the placeholder in *fence.
*
* We capture the seqno via the winsys cs directly here, but the
* real work happens in the gallium driver (iris/radeonsi) via
* pipe_context::flush. This callback exists so the driver can
* hand off the CS to the winsys before the actual submit.
*/
struct redox_drm_winsys *rws;
/* The pipe_context's flush path submits the CS and stores a fence
* pointing at the new seqno. The winsys records the post-submit
* seqno so the fence module can poll for it; the actual ring
* submission happens in the driver's batch callback via
* pipe_context::flush which writes to the kernel ring directly.
*/
struct redox_drm_winsys *rws;
(void) screen; (void) ctx; (void) fence;
(void) ctx; (void) fence;
rws = (struct redox_drm_winsys *)screen->winsys_priv;
if (!rws || !rws->cs)
return;
/* The actual submission happens in pipe_context::flush via the
* driver's batch callback. This winsys-side fence_submit is a
* placeholder; the real work is in the driver. */
rws = (struct redox_drm_winsys *)screen->winsys_priv;
if (!rws || !rws->cs)
return;
/* Update last_seqno to reflect that the next submit will advance
* the ring. The fence returned by the matching fence_create
* holds this seqno; when the driver signals completion via the
* ring interrupt, we update last_seqno to the hardware-completed
* value and the fence becomes signallable. */
rws->cs->last_seqno++;
}
static void