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Added query data sorting to support out-of-order execution

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This commit is contained in:
Andrew Depke 2020-06-08 04:02:54 -06:00
parent c70922f3db
commit c8bfa43f22
1 changed files with 26 additions and 2 deletions
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28
TracyD3D12.hpp
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@ -30,6 +30,8 @@ using TracyD3D12Ctx = void*;
#include <d3d12.h>
#include <dxgi.h>
#include <wrl/client.h>
#include <algorithm>
#include <vector>
namespace tracy
{
@ -175,9 +177,31 @@ namespace tracy
auto* timestampData = static_cast<uint64_t*>(readbackBufferMapping);
for (uint32_t index = 0; index < m_queryCounter; ++index)
// First off we need to sort our query data. Without this, out-of-order command list execution (with respect to CPU timeline recording)
// would cause view artifacts in the viewer (zones disappear, take up the whole timeline, etc.)
std::vector<uint64_t> queryData;
queryData.resize(m_queryCounter);
if (m_previousQueryCounter + m_queryCounter <= m_queryLimit) // Make sure we don't need to loop over.
{
const auto timestamp = timestampData[(m_previousQueryCounter + index) % m_queryLimit];
std::copy(timestampData + m_previousQueryCounter, timestampData + m_previousQueryCounter + m_queryCounter, queryData.begin());
}
else
{
const auto firstBatch = (m_previousQueryCounter + m_queryCounter) - m_queryLimit;
std::copy(timestampData + m_previousQueryCounter, timestampData + m_queryLimit, queryData.begin());
std::copy(timestampData, timestampData + (m_queryCounter - firstBatch), std::next(queryData.begin(), m_queryCounter - firstBatch));
}
std::sort(queryData.begin(), queryData.end(), std::less<uint64_t>{});
// Data is sorted, send it to the profiler.
for (uint32_t index = 0; index < queryData.size(); ++index)
{
const auto timestamp = queryData[index];
const auto queryId = m_previousQueryCounter + index;
auto* item = Profiler::QueueSerial();