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// d3d11-query.cpp
#include "d3d11-query.h"
namespace gfx
{
using namespace Slang;
namespace d3d11
{
Result QueryPoolImpl::init(const IQueryPool::Desc& desc, DeviceImpl* device)
{
m_device = device;
m_queryDesc.MiscFlags = 0;
switch (desc.type)
{
case QueryType::Timestamp:
m_queryDesc.Query = D3D11_QUERY_TIMESTAMP;
break;
default:
return SLANG_E_INVALID_ARG;
}
m_queries.setCount(desc.count);
return SLANG_OK;
}
ID3D11Query* QueryPoolImpl::getQuery(SlangInt index)
{
if (!m_queries[index])
m_device->m_device->CreateQuery(&m_queryDesc, m_queries[index].writeRef());
return m_queries[index].get();
}
SLANG_NO_THROW Result SLANG_MCALL QueryPoolImpl::getResult(
GfxIndex queryIndex, GfxCount count, uint64_t* data)
{
D3D11_QUERY_DATA_TIMESTAMP_DISJOINT disjointData;
while (S_OK != m_device->m_immediateContext->GetData(
m_device->m_disjointQuery, &disjointData, sizeof(D3D11_QUERY_DATA_TIMESTAMP_DISJOINT), 0))
{
Sleep(1);
}
m_device->m_info.timestampFrequency = disjointData.Frequency;
for (SlangInt i = 0; i < count; i++)
{
SLANG_RETURN_ON_FAIL(m_device->m_immediateContext->GetData(
m_queries[queryIndex + i], data + i, sizeof(uint64_t), 0));
}
return SLANG_OK;
}
} // namespace d3d11
} // namespace gfx
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