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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "opencl/source/mem_obj/mem_obj_helper.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/memory_properties_helpers.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "opencl/source/cl_device/cl_device.h"
#include "opencl/source/context/context.h"
#include "opencl/source/mem_obj/mem_obj.h"
namespace NEO {
bool MemObjHelper::validateMemoryPropertiesForBuffer(const MemoryProperties &memoryProperties, cl_mem_flags flags,
cl_mem_flags_intel flagsIntel, const Context &context) {
/* Check all the invalid flags combination. */
if ((isValueSet(flags, CL_MEM_READ_WRITE | CL_MEM_READ_ONLY)) ||
(isValueSet(flags, CL_MEM_READ_WRITE | CL_MEM_WRITE_ONLY)) ||
(isValueSet(flags, CL_MEM_READ_ONLY | CL_MEM_WRITE_ONLY)) ||
(isValueSet(flags, CL_MEM_ALLOC_HOST_PTR | CL_MEM_USE_HOST_PTR)) ||
(isValueSet(flags, CL_MEM_COPY_HOST_PTR | CL_MEM_USE_HOST_PTR)) ||
(isValueSet(flags, CL_MEM_HOST_READ_ONLY | CL_MEM_HOST_NO_ACCESS)) ||
(isValueSet(flags, CL_MEM_HOST_READ_ONLY | CL_MEM_HOST_WRITE_ONLY)) ||
(isValueSet(flags, CL_MEM_HOST_WRITE_ONLY | CL_MEM_HOST_NO_ACCESS))) {
return false;
}
return validateExtraMemoryProperties(memoryProperties, flags, flagsIntel, context);
}
bool MemObjHelper::validateMemoryPropertiesForImage(const MemoryProperties &memoryProperties, cl_mem_flags flags,
cl_mem_flags_intel flagsIntel, cl_mem parent, const Context &context) {
/* Check all the invalid flags combination. */
if ((!isValueSet(flags, CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL)) &&
(isValueSet(flags, CL_MEM_READ_WRITE | CL_MEM_WRITE_ONLY) ||
isValueSet(flags, CL_MEM_READ_WRITE | CL_MEM_READ_ONLY) ||
isValueSet(flags, CL_MEM_WRITE_ONLY | CL_MEM_READ_ONLY) ||
isValueSet(flags, CL_MEM_ALLOC_HOST_PTR | CL_MEM_USE_HOST_PTR) ||
isValueSet(flags, CL_MEM_COPY_HOST_PTR | CL_MEM_USE_HOST_PTR) ||
isValueSet(flags, CL_MEM_HOST_WRITE_ONLY | CL_MEM_HOST_READ_ONLY) ||
isValueSet(flags, CL_MEM_HOST_WRITE_ONLY | CL_MEM_HOST_NO_ACCESS) ||
isValueSet(flags, CL_MEM_HOST_READ_ONLY | CL_MEM_HOST_NO_ACCESS) ||
isValueSet(flags, CL_MEM_NO_ACCESS_INTEL | CL_MEM_READ_WRITE) ||
isValueSet(flags, CL_MEM_NO_ACCESS_INTEL | CL_MEM_WRITE_ONLY) ||
isValueSet(flags, CL_MEM_NO_ACCESS_INTEL | CL_MEM_READ_ONLY))) {
return false;
}
auto parentMemObj = castToObject<MemObj>(parent);
if (parentMemObj != nullptr && flags) {
auto parentFlags = parentMemObj->getFlags();
/* Check whether flags are compatible with parent. */
if (isValueSet(flags, CL_MEM_ALLOC_HOST_PTR) ||
isValueSet(flags, CL_MEM_COPY_HOST_PTR) ||
isValueSet(flags, CL_MEM_USE_HOST_PTR) ||
((!isValueSet(parentFlags, CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL)) &&
(!isValueSet(flags, CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL)) &&
((isValueSet(parentFlags, CL_MEM_WRITE_ONLY) && isValueSet(flags, CL_MEM_READ_WRITE)) ||
(isValueSet(parentFlags, CL_MEM_WRITE_ONLY) && isValueSet(flags, CL_MEM_READ_ONLY)) ||
(isValueSet(parentFlags, CL_MEM_READ_ONLY) && isValueSet(flags, CL_MEM_READ_WRITE)) ||
(isValueSet(parentFlags, CL_MEM_READ_ONLY) && isValueSet(flags, CL_MEM_WRITE_ONLY)) ||
(isValueSet(parentFlags, CL_MEM_NO_ACCESS_INTEL) && isValueSet(flags, CL_MEM_READ_WRITE)) ||
(isValueSet(parentFlags, CL_MEM_NO_ACCESS_INTEL) && isValueSet(flags, CL_MEM_WRITE_ONLY)) ||
(isValueSet(parentFlags, CL_MEM_NO_ACCESS_INTEL) && isValueSet(flags, CL_MEM_READ_ONLY)) ||
(isValueSet(parentFlags, CL_MEM_HOST_NO_ACCESS) && isValueSet(flags, CL_MEM_HOST_WRITE_ONLY)) ||
(isValueSet(parentFlags, CL_MEM_HOST_NO_ACCESS) && isValueSet(flags, CL_MEM_HOST_READ_ONLY))))) {
return false;
}
}
return validateExtraMemoryProperties(memoryProperties, flags, flagsIntel, context);
}
AllocationProperties MemObjHelper::getAllocationPropertiesWithImageInfo(
uint32_t rootDeviceIndex, ImageInfo &imgInfo, bool allocateMemory, const MemoryProperties &memoryProperties,
const HardwareInfo &hwInfo, DeviceBitfield subDevicesBitfieldParam, bool deviceOnlyVisibilty) {
auto deviceBitfield = MemoryPropertiesHelper::adjustDeviceBitfield(rootDeviceIndex, memoryProperties, subDevicesBitfieldParam);
AllocationProperties allocationProperties{rootDeviceIndex, allocateMemory, &imgInfo, AllocationType::image, deviceBitfield};
MemoryPropertiesHelper::fillPoliciesInProperties(allocationProperties, memoryProperties, hwInfo, deviceOnlyVisibilty);
return allocationProperties;
}
bool MemObjHelper::checkMemFlagsForSubBuffer(cl_mem_flags flags) {
const cl_mem_flags allValidFlags =
CL_MEM_READ_WRITE | CL_MEM_WRITE_ONLY | CL_MEM_READ_ONLY |
CL_MEM_HOST_WRITE_ONLY | CL_MEM_HOST_READ_ONLY | CL_MEM_HOST_NO_ACCESS;
return isFieldValid(flags, allValidFlags);
}
SVMAllocsManager::SvmAllocationProperties MemObjHelper::getSvmAllocationProperties(cl_mem_flags flags) {
SVMAllocsManager::SvmAllocationProperties svmProperties;
svmProperties.coherent = isValueSet(flags, CL_MEM_SVM_FINE_GRAIN_BUFFER);
svmProperties.hostPtrReadOnly = isValueSet(flags, CL_MEM_HOST_READ_ONLY) || isValueSet(flags, CL_MEM_HOST_NO_ACCESS);
svmProperties.readOnly = isValueSet(flags, CL_MEM_READ_ONLY);
return svmProperties;
}
bool MemObjHelper::isSuitableForCompression(bool compressionSupported, const MemoryProperties &properties, Context &context, bool preferCompression) {
if (!compressionSupported) {
return false;
}
if (context.getRootDeviceIndices().size() > 1u) {
return false;
}
for (auto &pClDevice : context.getDevices()) {
auto rootDeviceIndex = pClDevice->getRootDeviceIndex();
if (context.containsMultipleSubDevices(rootDeviceIndex)) {
return false;
}
}
if (preferCompression) {
if (properties.flags.uncompressedHint) {
return false;
}
if (properties.flags.compressedHint) {
return true;
}
int32_t disableCompression = debugManager.flags.ToggleHintKernelDisableCompression.get();
if (disableCompression != -1) {
return !!disableCompression;
} else {
if (context.getResolvesRequiredInKernels()) {
return false;
}
}
return true;
}
return properties.flags.compressedHint;
}
bool MemObjHelper::validateExtraMemoryProperties(const MemoryProperties &memoryProperties, cl_mem_flags flags, cl_mem_flags_intel flagsIntel, const Context &context) {
bool compressedFlagSet = isValueSet(flags, CL_MEM_COMPRESSED_HINT_INTEL) ||
isValueSet(flagsIntel, CL_MEM_COMPRESSED_HINT_INTEL);
bool uncompressedFlagSet = isValueSet(flags, CL_MEM_UNCOMPRESSED_HINT_INTEL) ||
isValueSet(flagsIntel, CL_MEM_UNCOMPRESSED_HINT_INTEL);
if (compressedFlagSet && uncompressedFlagSet) {
return false;
}
auto pClDevice = memoryProperties.pDevice->getSpecializedDevice<ClDevice>();
auto &contextRootDeviceIndices = context.getRootDeviceIndices();
bool isRootDeviceAssociated = (std::find(contextRootDeviceIndices.begin(), contextRootDeviceIndices.end(), pClDevice->getRootDeviceIndex()) != contextRootDeviceIndices.end());
return isRootDeviceAssociated;
}
const uint64_t MemObjHelper::commonFlags = CL_MEM_COMPRESSED_HINT_INTEL | CL_MEM_UNCOMPRESSED_HINT_INTEL | CL_MEM_READ_WRITE | CL_MEM_WRITE_ONLY | CL_MEM_READ_ONLY |
CL_MEM_ALLOC_HOST_PTR | CL_MEM_COPY_HOST_PTR | CL_MEM_USE_HOST_PTR |
CL_MEM_HOST_WRITE_ONLY | CL_MEM_HOST_READ_ONLY | CL_MEM_HOST_NO_ACCESS;
const uint64_t MemObjHelper::commonFlagsIntel = CL_MEM_COMPRESSED_HINT_INTEL | CL_MEM_UNCOMPRESSED_HINT_INTEL | CL_MEM_LOCALLY_UNCACHED_RESOURCE |
CL_MEM_LOCALLY_UNCACHED_SURFACE_STATE_RESOURCE | CL_MEM_48BIT_RESOURCE_INTEL;
const uint64_t MemObjHelper::validFlagsForBuffer = commonFlags | CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL | CL_MEM_FORCE_HOST_MEMORY_INTEL;
const uint64_t MemObjHelper::validFlagsForBufferIntel = commonFlagsIntel | CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL;
const uint64_t MemObjHelper::validFlagsForImage = commonFlags | CL_MEM_NO_ACCESS_INTEL | CL_MEM_ACCESS_FLAGS_UNRESTRICTED_INTEL | CL_MEM_FORCE_LINEAR_STORAGE_INTEL;
const uint64_t MemObjHelper::validFlagsForImageIntel = commonFlagsIntel;
} // namespace NEO
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