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[client] main: add graph for time spent rendering
This is the time spent in the on_render function, not the time between frames. Having this information helps diagnose slowdowns in renderers.
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9192e2039a
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2 changed files with 10 additions and 4 deletions
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@ -242,6 +242,7 @@ static int renderThread(void * unused)
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const bool invalidate = atomic_exchange(&g_state.invalidateWindow, false);
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const uint64_t renderStart = nanotime();
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LG_LOCK(g_state.lgrLock);
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if (!g_state.lgr->render(g_state.lgrData, g_params.winRotate, newFrame,
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invalidate))
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@ -250,6 +251,7 @@ static int renderThread(void * unused)
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break;
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}
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LG_UNLOCK(g_state.lgrLock);
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ringbuffer_push(g_state.renderDuration, &(float) {(nanotime() - renderStart) * 1e-6f});
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const uint64_t t = nanotime();
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const uint64_t delta = t - g_state.lastRenderTime;
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@ -828,10 +830,12 @@ static int lg_run(void)
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app_registerOverlay(&LGOverlayConfig, NULL);
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// initialize metrics ringbuffers
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g_state.renderTimings = ringbuffer_new(256, sizeof(float));
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g_state.frameTimings = ringbuffer_new(256, sizeof(float));
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overlayGraph_register("RENDER", g_state.renderTimings, 0.0f, 50.0f);
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overlayGraph_register("UPLOAD", g_state.frameTimings , 0.0f, 50.0f);
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g_state.renderTimings = ringbuffer_new(256, sizeof(float));
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g_state.frameTimings = ringbuffer_new(256, sizeof(float));
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g_state.renderDuration = ringbuffer_new(256, sizeof(float));
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overlayGraph_register("FRAME" , g_state.renderTimings , 0.0f, 50.0f);
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overlayGraph_register("UPLOAD", g_state.frameTimings , 0.0f, 50.0f);
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overlayGraph_register("RENDER", g_state.renderDuration, 0.0f, 2.0f);
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initImGuiKeyMap(g_state.io->KeyMap);
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@ -1234,6 +1238,7 @@ static void lg_shutdown(void)
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// free metrics ringbuffers
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ringbuffer_free(&g_state.renderTimings);
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ringbuffer_free(&g_state.frameTimings );
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ringbuffer_free(&g_state.renderDuration);
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free(g_state.fontName);
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igDestroyContext(NULL);
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@ -119,6 +119,7 @@ struct AppState
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uint64_t lastRenderTime;
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bool lastRenderTimeValid;
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RingBuffer renderTimings;
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RingBuffer renderDuration;
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RingBuffer frameTimings;
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atomic_uint_least64_t pendingCount;
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