File: wddm_memory_manager_wddm.cpp

package info (click to toggle)
intel-compute-runtime 22.43.24595.41-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 57,740 kB
  • sloc: cpp: 631,142; lisp: 3,515; sh: 470; makefile: 76; python: 21
file content (20 lines) | stat: -rw-r--r-- 444 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/*
 * Copyright (C) 2022 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "shared/source/os_interface/windows/wddm_memory_manager.h"

#include <winnt.h>

namespace NEO {
constexpr uint32_t pageWriteCombine = 0x400;

bool WddmMemoryManager::isWCMemory(const void *ptr) {
    MEMORY_BASIC_INFORMATION info;
    VirtualQuery(ptr, &info, sizeof(info));
    return info.AllocationProtect & pageWriteCombine;
}
} // namespace NEO