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[client] overlay: add 25Hz tick function

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This allows an overlay to manage itself for timed events like
alerts/messages, etc.
This commit is contained in:
Geoffrey McRae
2022-01-08 14:06:35 +11:00
parent 35334333ac
commit db2e38ae4d
4 changed files with 51 additions and 9 deletions
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29
client/src/main.c
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@@ -139,6 +139,26 @@ static bool fpsTimerFn(void * unused)
return true;
}
static bool tickTimerFn(void * unused)
{
static unsigned long long tickCount = 0;
bool needsRender = false;
struct Overlay * overlay;
for (ll_reset(g_state.overlays);
ll_walk(g_state.overlays, (void **)&overlay); )
{
if (overlay->ops->tick && overlay->ops->tick(overlay->udata, tickCount))
needsRender = true;
}
if (needsRender)
app_invalidateWindow(false);
++tickCount;
return true;
}
static void preSwapCallback(void * udata)
{
const uint64_t * renderStart = (const uint64_t *)udata;
@@ -169,6 +189,14 @@ static int renderThread(void * unused)
return 1;
}
LGTimer * tickTimer;
if (!lgCreateTimer(40, tickTimerFn, NULL, &tickTimer))
{
lgTimerDestroy(fpsTimer);
DEBUG_ERROR("Failed to create the tick timer");
return 1;
}
LG_LOCK_INIT(g_state.lgrLock);
/* signal to other threads that the renderer is ready */
@@ -289,6 +317,7 @@ static int renderThread(void * unused)
g_state.state = APP_STATE_SHUTDOWN;
lgTimerDestroy(tickTimer);
lgTimerDestroy(fpsTimer);
core_stopCursorThread();