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/*
* Copyright (C) 2018-2024 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/windows/device_time_wddm.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/os_interface/os_interface.h"
#include "shared/source/os_interface/product_helper.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
#include "shared/source/os_interface/windows/windows_wrapper.h"
#include <memory>
#undef WIN32_NO_STATUS
namespace NEO {
bool DeviceTimeWddm::runEscape(Wddm *wddm, TimeStampDataHeader &escapeInfo) {
if (wddm) {
D3DKMT_ESCAPE escapeCommand = {};
GetGpuCpuTimestampsIn in{};
uint32_t outSize = sizeof(GetGpuCpuTimestampsOut);
escapeInfo.header.EscapeCode = static_cast<decltype(escapeInfo.header.EscapeCode)>(GFX_ESCAPE_IGPA_INSTRUMENTATION_CONTROL);
escapeInfo.header.Size = outSize;
escapeInfo.data.in = in;
escapeCommand.Flags.Value = 0;
escapeCommand.hAdapter = 0;
escapeCommand.hContext = 0;
escapeCommand.hDevice = static_cast<D3DKMT_HANDLE>(wddm->getDeviceHandle());
escapeCommand.pPrivateDriverData = &escapeInfo;
escapeCommand.PrivateDriverDataSize = sizeof(escapeInfo);
escapeCommand.Type = D3DKMT_ESCAPE_DRIVERPRIVATE;
auto status = wddm->escape(escapeCommand);
if (status == STATUS_SUCCESS) {
return true;
}
}
return false;
}
DeviceTimeWddm::DeviceTimeWddm(Wddm *wddm) {
this->wddm = wddm;
}
double DeviceTimeWddm::getDynamicDeviceTimerResolution() const {
double retVal = 0u;
if (wddm) {
retVal = 1000000000.0 / static_cast<double>(wddm->getTimestampFrequency());
}
return retVal;
}
uint64_t DeviceTimeWddm::getDynamicDeviceTimerClock() const {
uint64_t retVal = 0u;
if (wddm) {
retVal = static_cast<uint64_t>(wddm->getTimestampFrequency());
}
return retVal;
}
void DeviceTimeWddm::convertTimestampsFromOaToCsDomain(const GfxCoreHelper &gfxCoreHelper, uint64_t ×tampData, uint64_t freqOA, uint64_t freqCS) {
if (gfxCoreHelper.isTimestampShiftRequired() && freqCS > 0 && freqOA > 0) {
auto freqRatio = static_cast<double>(freqOA) / static_cast<double>(freqCS);
timestampData = static_cast<uint64_t>(timestampData / freqRatio);
}
};
} // namespace NEO
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