mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-21 21:17:19 +00:00
[client] overlay: add 25Hz tick
function
This allows an overlay to manage itself for timed events like alerts/messages, etc.
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parent
35334333ac
commit
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@ -59,6 +59,15 @@ struct LG_OverlayOps
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int (*render)(void * udata, bool interactive, struct Rect * windowRects,
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int maxRects);
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/* called 25 times a second by the application
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*
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* Note: This may not run in the same context as `render`!
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*
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* return true if the frame needs to be rendered
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* optional, if omitted assumes false
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*/
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bool (*tick)(void * udata, unsigned long long tickCount);
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/* TODO: add load/save settings capabillity */
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};
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@ -519,6 +519,10 @@ void app_invalidateWindow(bool full)
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{
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if (full)
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atomic_store(&g_state.invalidateWindow, true);
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if (g_state.jitRender && g_state.ds->stopWaitFrame)
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g_state.ds->stopWaitFrame();
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lgSignalEvent(g_state.frameEvent);
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}
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@ -691,15 +695,6 @@ void app_unregisterGraph(GraphHandle handle)
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overlayGraph_unregister(handle);
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}
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struct Overlay
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{
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const struct LG_OverlayOps * ops;
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const void * params;
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void * udata;
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int lastRectCount;
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struct Rect lastRects[MAX_OVERLAY_RECTS];
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};
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void app_registerOverlay(const struct LG_OverlayOps * ops, const void * params)
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{
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ASSERT_LG_OVERLAY_VALID(ops);
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@ -139,6 +139,26 @@ static bool fpsTimerFn(void * unused)
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return true;
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}
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static bool tickTimerFn(void * unused)
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{
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static unsigned long long tickCount = 0;
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bool needsRender = false;
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struct Overlay * overlay;
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for (ll_reset(g_state.overlays);
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ll_walk(g_state.overlays, (void **)&overlay); )
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{
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if (overlay->ops->tick && overlay->ops->tick(overlay->udata, tickCount))
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needsRender = true;
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}
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if (needsRender)
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app_invalidateWindow(false);
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++tickCount;
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return true;
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}
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static void preSwapCallback(void * udata)
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{
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const uint64_t * renderStart = (const uint64_t *)udata;
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@ -169,6 +189,14 @@ static int renderThread(void * unused)
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return 1;
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}
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LGTimer * tickTimer;
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if (!lgCreateTimer(40, tickTimerFn, NULL, &tickTimer))
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{
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lgTimerDestroy(fpsTimer);
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DEBUG_ERROR("Failed to create the tick timer");
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return 1;
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}
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LG_LOCK_INIT(g_state.lgrLock);
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/* signal to other threads that the renderer is ready */
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@ -289,6 +317,7 @@ static int renderThread(void * unused)
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g_state.state = APP_STATE_SHUTDOWN;
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lgTimerDestroy(tickTimer);
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lgTimerDestroy(fpsTimer);
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core_stopCursorThread();
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@ -23,6 +23,15 @@
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#include "interface/overlay.h"
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struct Overlay
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{
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const struct LG_OverlayOps * ops;
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const void * params;
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void * udata;
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int lastRectCount;
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struct Rect lastRects[MAX_OVERLAY_RECTS];
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};
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extern struct LG_OverlayOps LGOverlayAlert;
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extern struct LG_OverlayOps LGOverlayFPS;
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extern struct LG_OverlayOps LGOverlayGraphs;
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