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[client] app: collect render and frame timing information
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@ -149,11 +149,15 @@ static int renderThread(void * unused)
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}
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LG_UNLOCK(g_state.lgrLock);
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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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g_state.lastRenderTime = t;
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const float fdelta = (float)delta / 1000000.0f;
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ringbuffer_push(g_state.renderTimings, &fdelta);
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if (g_state.showFPS)
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{
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const uint64_t t = nanotime();
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g_state.renderTime += t - g_state.lastFrameTime;
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g_state.lastFrameTime = t;
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g_state.renderTime += delta;
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++g_state.renderCount;
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if (g_state.renderTime > 1e9)
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@ -594,6 +598,12 @@ int main_frameThread(void * unused)
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g_state.autoIdleInhibitState = frame->blockScreensaver;
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}
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const uint64_t t = nanotime();
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const uint64_t delta = t - g_state.lastFrameTime;
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g_state.lastFrameTime = t;
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const float fdelta = (float)delta / 1000000.0f;
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ringbuffer_push(g_state.frameTimings, &fdelta);
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atomic_fetch_add_explicit(&g_state.frameCount, 1, memory_order_relaxed);
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lgSignalEvent(e_frame);
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lgmpClientMessageDone(queue);
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@ -697,6 +707,10 @@ static int lg_run(void)
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ImFontAtlas_GetTexDataAsRGBA32(g_state.io->Fonts, &text_pixels,
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&text_w, &text_h, 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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// search for the best displayserver ops to use
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for(int i = 0; i < LG_DISPLAYSERVER_COUNT; ++i)
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if (LG_DisplayServers[i]->probe())
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@ -1064,6 +1078,10 @@ static void lg_shutdown(void)
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ivshmemClose(&g_state.shm);
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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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igDestroyContext(NULL);
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}
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@ -29,6 +29,7 @@
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#include "common/types.h"
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#include "common/ivshmem.h"
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#include "common/locking.h"
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#include "common/ringbuffer.h"
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#include "spice/spice.h"
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#include <lgmp/client.h>
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@ -96,9 +97,11 @@ struct AppState
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atomic_uint_least64_t frameTime;
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uint64_t lastFrameTime;
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uint64_t renderTime;
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uint64_t lastRenderTime;
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atomic_uint_least64_t frameCount;
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uint64_t renderCount;
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RingBuffer renderTimings;
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RingBuffer frameTimings;
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uint64_t resizeTimeout;
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bool resizeDone;
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