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output: drop direct scan-out check in output_basic_test() 

wlr_output is not well-suited to checking whether direct scan-out
is happening or not. Compositors may want to use their own external
swapchains, for instance.

Additionally, ab7eabac84 ("output: leverage
wlr_output_configure_primary_swapchain()") makes it so
output_basic_test() is called before the output swapchain is
initialized, resulting in false positives.

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3620
This commit is contained in:
Simon Ser 2023-04-06 21:43:53 +02:00
parent ec5135cb09
commit 7abda952d0
1 changed files with 9 additions and 28 deletions
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37
types/output/output.c
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@ -584,34 +584,15 @@ static bool output_basic_test(struct wlr_output *output,
return false;
}
if (output_is_direct_scanout(output, state->buffer)) {
if (output->attach_render_locks > 0) {
wlr_log(WLR_DEBUG, "Direct scan-out disabled by lock");
return false;
}
// If the output has at least one software cursor, refuse to attach the
// buffer
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &output->cursors, link) {
if (cursor->enabled && cursor->visible &&
cursor != output->hardware_cursor) {
wlr_log(WLR_DEBUG,
"Direct scan-out disabled by software cursor");
return false;
}
}
// If the size doesn't match, reject buffer (scaling is not
// supported)
int pending_width, pending_height;
output_pending_resolution(output, state,
&pending_width, &pending_height);
if (state->buffer->width != pending_width ||
state->buffer->height != pending_height) {
wlr_log(WLR_DEBUG, "Direct scan-out buffer size mismatch");
return false;
}
// If the size doesn't match, reject buffer (scaling is not
// supported)
int pending_width, pending_height;
output_pending_resolution(output, state,
&pending_width, &pending_height);
if (state->buffer->width != pending_width ||
state->buffer->height != pending_height) {
wlr_log(WLR_DEBUG, "Primary buffer size mismatch");
return false;
}
}