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55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include "quirks.h"
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#include <stdlib.h>
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#include <stdbool.h>
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#define LOG_MODULE "quirks"
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#define LOG_ENABLE_DBG 0
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#include "log.h"
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static bool
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is_weston(void)
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{
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/*
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* On weston (8.0), synchronized subsurfaces aren't updated
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* correctly.
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* They appear to render once, but after that, updates are
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* sporadic. Sometimes they update, most of the time they
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* don't.
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*
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* Adding explicit parent surface commits right after the
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* subsurface commit doesn't help (and would be useless anyway,
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* since it would defeat the purpose of having the subsurface
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* synchronized in the first place).
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*/
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static bool is_weston = false;
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static bool initialized = false;
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if (!initialized) {
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initialized = true;
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is_weston = getenv("WESTON_CONFIG_FILE") != NULL;
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if (is_weston)
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LOG_WARN("applying wl_subsurface_set_desync() workaround for weston");
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}
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return is_weston;
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}
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void
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quirk_weston_subsurface_desync_on(struct wl_subsurface *sub)
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{
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if (!is_weston())
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return;
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wl_subsurface_set_desync(sub);
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}
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void
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quirk_weston_subsurface_desync_off(struct wl_subsurface *sub)
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{
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if (!is_weston())
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return;
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wl_subsurface_set_sync(sub);
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}
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