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compositor: Dump some paint node info with the scene graph

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For now I've just added plane failure reasons, but more could follow.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-08-26 14:30:48 -05:00
parent 37c94a12d9
commit 628e860ffa
1 changed files with 26 additions and 8 deletions
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34
libweston/compositor.c
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@ -8915,6 +8915,29 @@ weston_plane_failure_reasons_to_str(enum try_view_on_plane_failure_reasons failu
return "???";
}
static void
debug_scene_view_print_paint_node(FILE *fp,
struct weston_view *view,
struct weston_output *output)
{
struct weston_paint_node *pnode;
pnode = weston_view_find_paint_node(view, output);
fprintf(fp, "\t\t\tpaint node %p:\n", pnode);
fprintf(fp, "\t\t\t\toutput: %d (%s)%s\n",
output->id, output->name,
(view->output == output) ? " (primary)" : "");
if (pnode->try_view_on_plane_failure_reasons) {
char *fr_str = bits_to_str(pnode->try_view_on_plane_failure_reasons,
weston_plane_failure_reasons_to_str);
fprintf(fp, "\t\t\t\tPlane failure reasons: %s\n", fr_str);
free(fr_str);
}
}
static void
debug_scene_view_print(FILE *fp, struct weston_view *view, int view_idx)
{
@ -8969,19 +8992,14 @@ debug_scene_view_print(FILE *fp, struct weston_view *view, int view_idx)
fprintf(fp, "\t\talpha: %f\n", view->alpha);
if (view->output_mask != 0) {
bool first_output = true;
fprintf(fp, "\t\toutputs: ");
fprintf(fp, "\t\tpaint nodes:\n");
wl_list_for_each(output, &ec->output_list, link) {
if (!(view->output_mask & (1 << output->id)))
continue;
fprintf(fp, "%s%d (%s)%s",
(first_output) ? "" : ", ",
output->id, output->name,
(view->output == output) ? " (primary)" : "");
first_output = false;
debug_scene_view_print_paint_node(fp, view, output);
}
} else {
fprintf(fp, "\t\t[no outputs]");
fprintf(fp, "\t\t[no paint nodes]");
}
fprintf(fp, "\n");