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/*
* Copyright (C) 2019-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/windows/wddm_residency_allocations_container.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
#include "shared/source/os_interface/windows/wddm_allocation.h"
#include <algorithm>
namespace NEO {
WddmResidentAllocationsContainer::~WddmResidentAllocationsContainer() {
evictAllResources();
}
MemoryOperationsStatus WddmResidentAllocationsContainer::isAllocationResident(const D3DKMT_HANDLE &handle) {
auto lock = acquireLock(resourcesLock);
auto position = std::find(resourceHandles.begin(), resourceHandles.end(), handle);
return position != resourceHandles.end() ? MemoryOperationsStatus::SUCCESS : MemoryOperationsStatus::MEMORY_NOT_FOUND;
}
MemoryOperationsStatus WddmResidentAllocationsContainer::evictAllResources() {
decltype(resourceHandles) resourcesToEvict;
auto lock = acquireLock(resourcesLock);
resourceHandles.swap(resourcesToEvict);
if (resourcesToEvict.empty()) {
return MemoryOperationsStatus::MEMORY_NOT_FOUND;
}
uint64_t sizeToTrim = 0;
uint32_t evictedResources = static_cast<uint32_t>(resourcesToEvict.size());
bool success = wddm->evict(resourcesToEvict.data(), evictedResources, sizeToTrim);
return success ? MemoryOperationsStatus::SUCCESS : MemoryOperationsStatus::FAILED;
}
MemoryOperationsStatus WddmResidentAllocationsContainer::evictResource(const D3DKMT_HANDLE &handle) {
return evictResources(&handle, 1u);
}
MemoryOperationsStatus WddmResidentAllocationsContainer::evictResources(const D3DKMT_HANDLE *handles, const uint32_t count) {
auto lock = acquireLock(resourcesLock);
auto position = std::find(resourceHandles.begin(), resourceHandles.end(), handles[0]);
if (position == resourceHandles.end()) {
return MemoryOperationsStatus::MEMORY_NOT_FOUND;
}
auto distance = static_cast<size_t>(std::distance(resourceHandles.begin(), position));
UNRECOVERABLE_IF(distance + count > resourceHandles.size());
resourceHandles.erase(position, position + count);
uint64_t sizeToTrim = 0;
if (!wddm->evict(handles, count, sizeToTrim)) {
return MemoryOperationsStatus::FAILED;
}
return MemoryOperationsStatus::SUCCESS;
}
MemoryOperationsStatus WddmResidentAllocationsContainer::makeResidentResource(const D3DKMT_HANDLE &handle, size_t size) {
return makeResidentResources(&handle, 1u, size);
}
MemoryOperationsStatus WddmResidentAllocationsContainer::makeResidentResources(const D3DKMT_HANDLE *handles, const uint32_t count, size_t size) {
bool madeResident = false;
while (!(madeResident = wddm->makeResident(handles, count, false, nullptr, size))) {
if (evictAllResources() == MemoryOperationsStatus::SUCCESS) {
continue;
}
if (!wddm->makeResident(handles, count, false, nullptr, size)) {
DEBUG_BREAK_IF(true);
return MemoryOperationsStatus::OUT_OF_MEMORY;
};
break;
}
DEBUG_BREAK_IF(!madeResident);
auto lock = acquireLock(resourcesLock);
for (uint32_t i = 0; i < count; i++) {
resourceHandles.push_back(handles[i]);
}
lock.unlock();
wddm->waitOnPagingFenceFromCpu();
return madeResident ? MemoryOperationsStatus::SUCCESS : MemoryOperationsStatus::FAILED;
}
void WddmResidentAllocationsContainer::removeResource(const D3DKMT_HANDLE &handle) {
auto lock = acquireLock(resourcesLock);
auto position = std::find(resourceHandles.begin(), resourceHandles.end(), handle);
if (position == resourceHandles.end()) {
return;
}
*position = resourceHandles.back();
resourceHandles.pop_back();
}
} // namespace NEO
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