Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2026-08-04 06:12:04 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

[client] add ImPlot and rework latency graphs

Browse Source
This commit is contained in:
Geoffrey McRae
2026-08-03 14:18:22 +10:00
parent 7533c855c2
commit 4f39270736
28 changed files with 539 additions and 172 deletions
Download Patch File Download Diff File Expand all files Collapse all files

125
client/src/main.c
View File

@@ -202,18 +202,73 @@ static bool tickTimerFn(void * unused)
struct RenderTiming
{
uint64_t renderStart;
uint64_t producerTime;
uint64_t captureTime;
uint64_t postProcessTime;
uint64_t copyTime;
uint64_t importTime;
};
static struct RenderTiming frameTimingLoad(void)
{
struct RenderTiming timing = {};
for (;;)
{
const unsigned sequence = atomic_load_explicit(
&g_state.frameTimingSequence, memory_order_seq_cst);
if (sequence & 1)
continue;
timing.captureTime = atomic_load_explicit(
&g_state.producerCaptureTime, memory_order_seq_cst);
timing.postProcessTime = atomic_load_explicit(
&g_state.producerPostProcessTime, memory_order_seq_cst);
timing.copyTime = atomic_load_explicit(
&g_state.producerCopyTime, memory_order_seq_cst);
timing.importTime = atomic_load_explicit(
&g_state.clientImportTime, memory_order_seq_cst);
if (sequence == atomic_load_explicit(
&g_state.frameTimingSequence, memory_order_seq_cst))
return timing;
}
}
static void frameTimingStore(const LG_TransportFrameTiming * timing,
uint64_t importTime)
{
atomic_fetch_add_explicit(
&g_state.frameTimingSequence, 1, memory_order_seq_cst);
atomic_store_explicit(&g_state.producerCaptureTime,
timing->captureTime, memory_order_seq_cst);
atomic_store_explicit(&g_state.producerPostProcessTime,
timing->postProcessTime, memory_order_seq_cst);
atomic_store_explicit(&g_state.producerCopyTime,
timing->copyTime, memory_order_seq_cst);
atomic_store_explicit(&g_state.clientImportTime,
importTime, memory_order_seq_cst);
atomic_fetch_add_explicit(
&g_state.frameTimingSequence, 1, memory_order_seq_cst);
}
static void preSwapCallback(void * udata)
{
const struct RenderTiming * timing = (const struct RenderTiming *)udata;
const uint64_t renderTime = nanotime() - timing->renderStart;
ringbuffer_push(g_state.renderDuration, &(float) {renderTime * 1e-6f});
if (timing->producerTime)
ringbuffer_push(g_state.endToEndDuration,
&(float) {(timing->producerTime + renderTime) * 1e-6f});
const uint64_t timestamp = nanotime();
const uint64_t renderTime = timestamp - timing->renderStart;
if (timing->captureTime || timing->postProcessTime || timing->copyTime ||
timing->importTime)
{
const OverlayFrameTiming frameTiming = {
.timestamp = timestamp,
.capture = timing->captureTime * 1e-6f,
.postProcess = timing->postProcessTime * 1e-6f,
.copy = timing->copyTime * 1e-6f,
.import = timing->importTime * 1e-6f,
.render = renderTime * 1e-6f,
};
ringbuffer_push(g_state.frameLatency, &frameTiming);
}
#ifdef ENABLE_TESTS
if (!l_testCapture.enabled || l_testCapture.complete)
@@ -375,7 +430,7 @@ static int renderThread(void * unused)
.x = g_state.windowScale,
.y = g_state.windowScale,
};
g_state.io->FontGlobalScale = 1.0f / g_state.windowScale;
igGetStyle()->FontScaleMain = 1.0f / g_state.windowScale;
}
const bool fontDirty = atomic_exchange(&g_state.fontDirty, false);
@@ -407,11 +462,9 @@ static int renderThread(void * unused)
const bool invalidate = atomic_exchange(&g_state.invalidateWindow, false);
const struct RenderTiming renderTiming = {
.renderStart = nanotime(),
.producerTime = newFrame ? atomic_load_explicit(
&g_state.producerFrameTime, memory_order_acquire) : 0,
};
struct RenderTiming renderTiming =
newFrame ? frameTimingLoad() : (struct RenderTiming) {};
renderTiming.renderStart = nanotime();
LG_LOCK(g_state.lgrLock);
renderQueue_process();
@@ -783,6 +836,7 @@ int main_frameThread(void * unused)
damageCount = 0;
}
g_state.frameImportTime = 0;
if (!RENDERER(onFrame, frame.framebuffer, frame.dmaFD,
frame.damageRects, damageCount))
{
@@ -797,15 +851,7 @@ int main_frameThread(void * unused)
g_state.transportOps->getFrameTiming(
g_state.transport, &frame, &timing);
ringbuffer_push(g_state.captureDuration,
&(float) {timing.captureTime * 1e-6f});
ringbuffer_push(g_state.postProcessDuration,
&(float) {timing.postProcessTime * 1e-6f});
ringbuffer_push(g_state.copyDuration,
&(float) {timing.copyTime * 1e-6f});
atomic_store_explicit(&g_state.producerFrameTime,
timing.captureTime + timing.postProcessTime + timing.copyTime,
memory_order_release);
frameTimingStore(&timing, g_state.frameImportTime);
overlaySplash_show(false);
if ((frame.flags & LG_TRANSPORT_FRAME_REQUEST_ACTIVATION) &&
@@ -824,13 +870,6 @@ int main_frameThread(void * unused)
g_state.autoIdleInhibitState = blockScreensaver;
}
const uint64_t now = nanotime();
const uint64_t delta = now - g_state.lastFrameTime;
g_state.lastFrameTime = now;
if (g_state.lastFrameTimeValid)
ringbuffer_push(g_state.uploadTimings, &(float) { delta * 1e-6f });
g_state.lastFrameTimeValid = true;
atomic_fetch_add_explicit(&g_state.frameCount, 1, memory_order_relaxed);
#ifdef ENABLE_TESTS
atomic_store_explicit(&l_testFrameSerial, frame.serial,
@@ -1309,7 +1348,7 @@ static int lg_run(void)
/* setup imgui */
igCreateContext(NULL);
g_state.io = igGetIO();
g_state.io = igGetIO_Nil();
g_state.style = igGetStyle();
g_state.style->Colors[ImGuiCol_ModalWindowDimBg] = (ImVec4) { 0.0f, 0.0f, 0.0f, 0.4f };
@@ -1334,20 +1373,11 @@ static int lg_run(void)
DEBUG_INFO("Using font: %s", g_state.fontName);
// initialize metrics ringbuffers
g_state.renderTimings = ringbuffer_new(256, sizeof(float));
g_state.uploadTimings = ringbuffer_new(256, sizeof(float));
g_state.renderDuration = ringbuffer_new(256, sizeof(float));
g_state.captureDuration = ringbuffer_new(256, sizeof(float));
g_state.postProcessDuration = ringbuffer_new(256, sizeof(float));
g_state.copyDuration = ringbuffer_new(256, sizeof(float));
g_state.endToEndDuration = ringbuffer_new(256, sizeof(float));
overlayGraph_register("FRAME" , g_state.renderTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("UPLOAD" , g_state.uploadTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("RENDER" , g_state.renderDuration , 0.0f, 10.0f, NULL);
overlayGraph_register("CAPTURE" , g_state.captureDuration , 0.0f, 20.0f, NULL);
overlayGraph_register("POST PROCESS", g_state.postProcessDuration, 0.0f, 20.0f, NULL);
overlayGraph_register("COPY" , g_state.copyDuration , 0.0f, 20.0f, NULL);
overlayGraph_register("END TO END" , g_state.endToEndDuration , 0.0f, 50.0f, NULL);
g_state.renderTimings = ringbuffer_new(256, sizeof(float));
g_state.frameLatency = ringbuffer_new(4096, sizeof(OverlayFrameTiming));
overlayGraph_setCompact(overlayGraph_register(
"FRAME", g_state.renderTimings, 0.0f, 50.0f, NULL), true);
overlayGraph_registerFrameTiming("FRAME LATENCY", g_state.frameLatency);
// unknown guest OS at this time
g_state.guestOS = LG_TRANSPORT_OS_OTHER;
@@ -1830,12 +1860,7 @@ static void lg_shutdown(void)
// free metrics ringbuffers
ringbuffer_free(&g_state.renderTimings);
ringbuffer_free(&g_state.uploadTimings);
ringbuffer_free(&g_state.renderDuration);
ringbuffer_free(&g_state.captureDuration);
ringbuffer_free(&g_state.postProcessDuration);
ringbuffer_free(&g_state.copyDuration);
ringbuffer_free(&g_state.endToEndDuration);
ringbuffer_free(&g_state.frameLatency);
free(g_state.fontName);
igDestroyContext(NULL);