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[client] all: make it possible to signal full window invalidation

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Now that we are drawing with damage rects, when the window is hidden and
then exposed the window may not get fully redrawn. This provides
`app_invalidateWindow` for the display server backend to call when the
screen needs a full redraw.
This commit is contained in:
Geoffrey McRae
2021-07-25 15:29:29 +10:00
parent 8c2a77e84e
commit 60a58d4d8d
7 changed files with 30 additions and 15 deletions
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26
client/src/main.c
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@@ -64,7 +64,6 @@ static int cursorThread(void * unused);
static int renderThread(void * unused);
static LGEvent *e_startup = NULL;
static LGEvent *e_frame = NULL;
static LGThread *t_spice = NULL;
static LGThread *t_render = NULL;
static LGThread *t_cursor = NULL;
@@ -170,7 +169,7 @@ static int renderThread(void * unused)
{
float ups = atomic_load_explicit(&g_state.ups, memory_order_relaxed);
if (!lgWaitEventAbs(e_frame, &time) || ups > g_params.fpsMin)
if (!lgWaitEventAbs(g_state.frameEvent, &time) || ups > g_params.fpsMin)
{
/* only update the time if we woke up early */
clock_gettime(CLOCK_MONOTONIC, &time);
@@ -208,8 +207,11 @@ static int renderThread(void * unused)
const bool newFrame = frameCount != lastFrameCount;
lastFrameCount = frameCount;
const bool invalidate = atomic_exchange(&g_state.invalidateWindow, false);
LG_LOCK(g_state.lgrLock);
if (!g_state.lgr->render(g_state.lgrData, g_params.winRotate, newFrame))
if (!g_state.lgr->render(g_state.lgrData, g_params.winRotate, newFrame,
invalidate))
{
LG_UNLOCK(g_state.lgrLock);
break;
@@ -306,7 +308,7 @@ static int cursorThread(void * unused)
);
if (!g_state.stopVideo)
lgSignalEvent(e_frame);
lgSignalEvent(g_state.frameEvent);
}
const struct timespec req =
@@ -405,7 +407,7 @@ static int cursorThread(void * unused)
);
if (g_params.mouseRedraw && g_cursor.guest.visible && !g_state.stopVideo)
lgSignalEvent(e_frame);
lgSignalEvent(g_state.frameEvent);
}
lgmpClientUnsubscribe(&queue);
@@ -678,7 +680,7 @@ int main_frameThread(void * unused)
g_state.lastFrameTimeValid = true;
atomic_fetch_add_explicit(&g_state.frameCount, 1, memory_order_relaxed);
lgSignalEvent(e_frame);
lgSignalEvent(g_state.frameEvent);
lgmpClientMessageDone(queue);
}
@@ -950,7 +952,7 @@ static int lg_run(void)
}
// setup the new frame event
if (!(e_frame = lgCreateEvent(true, 0)))
if (!(g_state.frameEvent = lgCreateEvent(true, 0)))
{
DEBUG_ERROR("failed to create the frame event");
return -1;
@@ -1092,7 +1094,7 @@ restart:
if (g_state.state == APP_STATE_RESTART)
{
lgSignalEvent(e_startup);
lgSignalEvent(e_frame);
lgSignalEvent(g_state.frameEvent);
core_stopFrameThread();
@@ -1116,7 +1118,7 @@ static void lg_shutdown(void)
if (t_render)
{
lgSignalEvent(e_startup);
lgSignalEvent(e_frame);
lgSignalEvent(g_state.frameEvent);
lgJoinThread(t_render, NULL);
}
@@ -1129,10 +1131,10 @@ static void lg_shutdown(void)
g_state.overlays = NULL;
}
if (e_frame)
if (g_state.frameEvent)
{
lgFreeEvent(e_frame);
e_frame = NULL;
lgFreeEvent(g_state.frameEvent);
g_state.frameEvent = NULL;
}
if (e_startup)