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[idd] publish the latest frame before its deadline

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Geoffrey McRae
2026-08-04 13:10:02 +10:00
parent 1176e78a7f
commit 32ced2f24a
5 changed files with 166 additions and 25 deletions
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26
idd/LGIdd/CIndirectDeviceContext.cpp
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@@ -1503,14 +1503,16 @@ CIndirectDeviceContext::PreparedFrameBuffer CIndirectDeviceContext::PrepareFrame
return result;
}
bool CIndirectDeviceContext::PublishFrameBuffer(unsigned frameIndex)
bool CIndirectDeviceContext::PublishFrameBuffer(unsigned frameIndex,
uint32_t scheduleGeneration)
{
if (!m_frameQueue || frameIndex >= LGMP_Q_FRAME_LEN)
return false;
AcquireSRWLockExclusive(&m_framePublishLock);
const LGMP_STATUS status =
lgmpHostQueuePost(m_frameQueue, 0, m_frameMemory[frameIndex]);
lgmpHostQueuePost(
m_frameQueue, scheduleGeneration, m_frameMemory[frameIndex]);
if (status == LGMP_OK)
{
m_publishedFrameIndex.store(
@@ -1519,6 +1521,10 @@ bool CIndirectDeviceContext::PublishFrameBuffer(unsigned frameIndex)
}
ReleaseSRWLockExclusive(&m_framePublishLock);
if (status == LGMP_OK)
m_frameScheduler.FramePublished(
scheduleGeneration, CFrameScheduler::Nanotime());
if (status != LGMP_OK)
{
DEBUG_ERROR("Failed to publish frame: %s", lgmpStatusString(status));
@@ -1528,6 +1534,22 @@ bool CIndirectDeviceContext::PublishFrameBuffer(unsigned frameIndex)
return true;
}
void CIndirectDeviceContext::ObserveFrame(uint64_t now)
{
m_frameScheduler.ObserveFrame(now);
}
bool CIndirectDeviceContext::SelectFrame(uint64_t now, bool force,
uint32_t& generation)
{
return m_frameScheduler.SelectFrame(now, force, generation);
}
void CIndirectDeviceContext::RecordFrameTiming(uint64_t duration)
{
m_frameScheduler.RecordFrameTiming(duration);
}
void CIndirectDeviceContext::AbortFrameBuffer(unsigned frameIndex)
{
if (frameIndex >= LGMP_Q_FRAME_LEN)