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output: set custom output mode on wlopm --on

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This works around a wlroots issue:
https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3946

Fixes: #2576
This commit is contained in:
Consolatis 2025-02-12 17:04:13 +01:00
parent bb64dc81d6
commit c0526d856d
1 changed files with 22 additions and 0 deletions
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22
src/output.c
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@ -1073,6 +1073,28 @@ handle_output_power_manager_set_mode(struct wl_listener *listener, void *data)
break; break;
case ZWLR_OUTPUT_POWER_V1_MODE_ON: case ZWLR_OUTPUT_POWER_V1_MODE_ON:
wlr_output_state_set_enabled(&output->pending, true); wlr_output_state_set_enabled(&output->pending, true);
if (!event->output->current_mode) {
/*
* This output uses a custom mode, due to a wlroots DRM
* issue we have to ensure the output commit includes a
* modeset. This is made more difficult by wlroots
* removing a requested change for a custom resolution
* from the output state when it matches the wlr_output
* one. To in turn work around this issue we temporarily
* change the custom wlr_output resolution.
*
* See: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3946
*
* TODO: To be removed once the underlying wlroots issue
* has been fixed and released. Likely only after
* labwc starts tracking wlroots 0.19 to keep older
* 0.18.x releases working as expected.
*/
int width = event->output->width;
event->output->width++;
wlr_output_state_set_custom_mode(&output->pending, width,
event->output->height, event->output->refresh);
}
output_state_commit(output); output_state_commit(output);
/* /*
* Re-set the cursor image so that the cursor * Re-set the cursor image so that the cursor