compute-runtime/runtime/os_interface/windows/os_context_win.cpp

64 lines
2.4 KiB
C++

/*
* Copyright (c) 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "runtime/os_interface/windows/os_context_win.h"
#include "runtime/os_interface/windows/wddm/wddm.h"
#include "runtime/os_interface/windows/wddm/wddm_interface.h"
#include "runtime/os_interface/windows/os_interface.h"
namespace OCLRT {
OsContextWin::OsContextImpl(Wddm &wddm) : wddm(wddm) {
UNRECOVERABLE_IF(!wddm.isInitialized());
auto wddmInterface = wddm.getWddmInterface();
if (!wddm.createContext(context)) {
return;
}
if (wddmInterface->hwQueuesSupported()) {
if (!wddmInterface->createHwQueue(wddm.getPreemptionMode(), *this)) {
return;
}
}
initialized = wddmInterface->createMonitoredFence(*this);
};
OsContextWin::~OsContextImpl() {
wddm.getWddmInterface()->destroyHwQueue(hwQueueHandle);
wddm.destroyContext(context);
}
void OsContextWin::resetMonitoredFenceParams(D3DKMT_HANDLE &handle, uint64_t *cpuAddress, D3DGPU_VIRTUAL_ADDRESS &gpuAddress) {
monitoredFence.lastSubmittedFence = 0;
monitoredFence.currentFenceValue = 1;
monitoredFence.fenceHandle = handle;
monitoredFence.cpuAddress = cpuAddress;
monitoredFence.gpuAddress = gpuAddress;
}
OsContext::OsContext(OSInterface *osInterface) {
if (osInterface) {
osContextImpl = std::make_unique<OsContextWin>(*osInterface->get()->getWddm());
}
}
OsContext::~OsContext() = default;
} // namespace OCLRT