87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/*
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* Copyright (C) 2017-2018 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <cstdlib>
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#include <cinttypes>
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#include "runtime/memory_manager/residency.h"
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namespace OCLRT {
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struct OsHandle;
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using OsGraphicsHandle = OsHandle;
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const int max_fragments_count = 3;
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enum class FragmentPosition {
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NONE = 0,
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LEADING,
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MIDDLE,
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TRAILING
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};
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enum OverlapStatus {
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FRAGMENT_NOT_OVERLAPING_WITH_ANY_OTHER = 0,
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FRAGMENT_WITHIN_STORED_FRAGMENT,
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FRAGMENT_WITH_EXACT_SIZE_AS_STORED_FRAGMENT,
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FRAGMENT_OVERLAPING_AND_BIGGER_THEN_STORED_FRAGMENT,
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FRAGMENT_NOT_CHECKED
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};
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enum RequirementsStatus {
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SUCCESS = 0,
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FATAL
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};
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struct PartialAllocation {
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FragmentPosition fragmentPosition = FragmentPosition::NONE;
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const void *allocationPtr = nullptr;
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size_t allocationSize = 0u;
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};
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struct AllocationRequirements {
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PartialAllocation AllocationFragments[max_fragments_count];
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uint64_t totalRequiredSize = 0u;
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uint32_t requiredFragmentsCount = 0u;
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};
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struct FragmentStorage {
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const void *fragmentCpuPointer = nullptr;
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size_t fragmentSize = 0;
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int refCount = 0;
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OsHandle *osInternalStorage = nullptr;
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ResidencyData *residency = nullptr;
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bool driverAllocation = false;
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};
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struct AllocationStorageData {
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OsHandle *osHandleStorage;
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size_t fragmentSize = 0;
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const void *cpuPtr = nullptr;
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bool freeTheFragment = false;
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ResidencyData *residency = nullptr;
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};
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struct OsHandleStorage {
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AllocationStorageData fragmentStorageData[max_fragments_count];
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uint32_t fragmentCount = 0;
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OsHandleStorage() {
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for (int i = 0; i < max_fragments_count; i++) {
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fragmentStorageData[i].osHandleStorage = nullptr;
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fragmentStorageData[i].cpuPtr = nullptr;
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}
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}
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};
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struct CheckedFragments {
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FragmentStorage *fragments[max_fragments_count];
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OverlapStatus status[max_fragments_count];
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size_t count = 0;
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};
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} // namespace OCLRT
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