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Render timing

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Aiden
2026-05-12 22:18:27 +10:00
parent 13586c611a
commit 4a049a557a
15 changed files with 260 additions and 24 deletions
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31
apps/RenderCadenceCompositor/render/RenderThread.cpp
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@@ -85,6 +85,11 @@ RenderThread::Metrics RenderThread::GetMetrics() const
metrics.skippedFrames = mSkippedFrames.load(std::memory_order_relaxed);
metrics.shaderBuildsCommitted = mShaderBuildsCommitted.load(std::memory_order_relaxed);
metrics.shaderBuildFailures = mShaderBuildFailures.load(std::memory_order_relaxed);
metrics.renderFrameMilliseconds = mRenderFrameMilliseconds.load(std::memory_order_relaxed);
metrics.renderFrameBudgetUsedPercent = mRenderFrameBudgetUsedPercent.load(std::memory_order_relaxed);
metrics.renderFrameMaxMilliseconds = mRenderFrameMaxMilliseconds.load(std::memory_order_relaxed);
metrics.readbackQueueMilliseconds = mReadbackQueueMilliseconds.load(std::memory_order_relaxed);
metrics.completedReadbackCopyMilliseconds = mCompletedReadbackCopyMilliseconds.load(std::memory_order_relaxed);
metrics.inputFramesReceived = mInputFramesReceived.load(std::memory_order_relaxed);
metrics.inputFramesDropped = mInputFramesDropped.load(std::memory_order_relaxed);
metrics.inputConsumeMisses = mInputConsumeMisses.load(std::memory_order_relaxed);
@@ -154,6 +159,7 @@ void RenderThread::ThreadMain()
CountAcquireMiss();
},
[this]() { CountCompleted(); });
PublishReadbackMetrics(readback);
const auto now = RenderCadenceClock::Clock::now();
const RenderCadenceClock::Tick tick = clock.Poll(now);
@@ -178,6 +184,7 @@ void RenderThread::ThreadMain()
{
mPboQueueMisses.fetch_add(1, std::memory_order_relaxed);
}
PublishReadbackMetrics(readback);
CountRendered();
++frameIndex;
@@ -196,6 +203,7 @@ void RenderThread::ThreadMain()
CountAcquireMiss();
},
[this]() { CountCompleted(); });
PublishReadbackMetrics(readback);
}
readback.Shutdown();
@@ -237,6 +245,29 @@ void RenderThread::CountAcquireMiss()
mAcquireMisses.fetch_add(1, std::memory_order_relaxed);
}
void RenderThread::PublishReadbackMetrics(const Bgra8ReadbackPipeline& readback)
{
const double renderMilliseconds = readback.LastRenderFrameMilliseconds();
mRenderFrameMilliseconds.store(renderMilliseconds, std::memory_order_relaxed);
if (mConfig.frameDurationMilliseconds > 0.0)
{
mRenderFrameBudgetUsedPercent.store(
(renderMilliseconds / mConfig.frameDurationMilliseconds) * 100.0,
std::memory_order_relaxed);
}
else
{
mRenderFrameBudgetUsedPercent.store(0.0, std::memory_order_relaxed);
}
const double previousMax = mRenderFrameMaxMilliseconds.load(std::memory_order_relaxed);
if (renderMilliseconds > previousMax)
mRenderFrameMaxMilliseconds.store(renderMilliseconds, std::memory_order_relaxed);
mReadbackQueueMilliseconds.store(readback.LastReadbackQueueMilliseconds(), std::memory_order_relaxed);
mCompletedReadbackCopyMilliseconds.store(readback.LastCompletedReadbackCopyMilliseconds(), std::memory_order_relaxed);
}
void RenderThread::PublishInputMetrics(const InputFrameTexture& inputTexture)
{
if (mInputMailbox != nullptr)