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drm: Change the renderer skip logic

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There's only one mode where we can skip the renderer, let's base the check
on that instead of checking for an existing scanout fb.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2026-03-25 09:52:25 -05:00
parent 0dd1d390be
commit 2f460b513f
1 changed files with 5 additions and 4 deletions
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9
libweston/backend-drm/drm.c
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@ -559,11 +559,8 @@ drm_output_render(struct drm_output_state *state)
pixman_box32_t *rects;
int n_rects;
/* If we already have a client buffer promoted to scanout, then we don't
* want to render. */
scanout_state = drm_output_state_get_plane(state, scanout_plane);
if (scanout_state->fb)
return;
weston_assert_ptr_null(c, scanout_state->fb);
pixman_region32_init(&damage);
@ -985,6 +982,10 @@ drm_output_repaint(struct weston_output *output_base)
if (device->atomic_modeset)
drm_output_pick_writeback_capture_task(output);
/* Skip the renderer if our mode allows it */
if (state->mode == DRM_OUTPUT_PROPOSE_STATE_PLANES_ONLY)
return 0;
drm_output_render(state);
scanout_state = drm_output_state_get_plane(state,
output->scanout_handle->plane);