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[client] main: don't include the swap into the render timings

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If vsync is enabled the swap will block until vblank skewing the timing
metrics.
This commit is contained in:
Geoffrey McRae
2021-08-07 01:44:36 +10:00
parent 0ec66ba210
commit 162b1b93db
4 changed files with 13 additions and 5 deletions
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10
client/src/main.c
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@@ -138,6 +138,13 @@ static bool fpsTimerFn(void * unused)
return true;
}
static void preSwapCallback(void * udata)
{
const uint64_t * renderStart = (const uint64_t *)udata;
ringbuffer_push(g_state.renderDuration,
&(float) {(nanotime() - *renderStart) * 1e-6f});
}
static int renderThread(void * unused)
{
if (!g_state.lgr->render_startup(g_state.lgrData, g_state.useDMA))
@@ -245,13 +252,12 @@ static int renderThread(void * unused)
const uint64_t renderStart = nanotime();
LG_LOCK(g_state.lgrLock);
if (!g_state.lgr->render(g_state.lgrData, g_params.winRotate, newFrame,
invalidate))
invalidate, preSwapCallback, (void *)&renderStart))
{
LG_UNLOCK(g_state.lgrLock);
break;
}
LG_UNLOCK(g_state.lgrLock);
ringbuffer_push(g_state.renderDuration, &(float) {(nanotime() - renderStart) * 1e-6f});
const uint64_t t = nanotime();
const uint64_t delta = t - g_state.lastRenderTime;