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/*
* Copyright (C) 2020-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "program_initialization.h"
#include "shared/source/compiler_interface/linker.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/blit_commands_helper.h"
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/helpers/string.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/memory_manager/unified_memory_manager.h"
#include "shared/source/program/program_info.h"
namespace NEO {
GraphicsAllocation *allocateGlobalsSurface(NEO::SVMAllocsManager *const svmAllocManager, NEO::Device &device, size_t size, bool constant,
LinkerInput *const linkerInput, const void *initData) {
bool globalsAreExported = false;
GraphicsAllocation *gpuAllocation = nullptr;
auto rootDeviceIndex = device.getRootDeviceIndex();
auto deviceBitfield = device.getDeviceBitfield();
if (linkerInput != nullptr) {
globalsAreExported = constant ? linkerInput->getTraits().exportsGlobalConstants : linkerInput->getTraits().exportsGlobalVariables;
}
if (globalsAreExported && (svmAllocManager != nullptr)) {
NEO::SVMAllocsManager::SvmAllocationProperties svmProps = {};
svmProps.coherent = false;
svmProps.readOnly = constant;
svmProps.hostPtrReadOnly = constant;
RootDeviceIndicesContainer rootDeviceIndices;
rootDeviceIndices.push_back(rootDeviceIndex);
std::map<uint32_t, DeviceBitfield> subDeviceBitfields;
subDeviceBitfields.insert({rootDeviceIndex, deviceBitfield});
NEO::SVMAllocsManager::UnifiedMemoryProperties unifiedMemoryProperties(InternalMemoryType::DEVICE_UNIFIED_MEMORY, rootDeviceIndices, subDeviceBitfields);
unifiedMemoryProperties.device = &device;
auto ptr = svmAllocManager->createUnifiedMemoryAllocation(size, unifiedMemoryProperties);
DEBUG_BREAK_IF(ptr == nullptr);
if (ptr == nullptr) {
return nullptr;
}
auto usmAlloc = svmAllocManager->getSVMAlloc(ptr);
UNRECOVERABLE_IF(usmAlloc == nullptr);
gpuAllocation = usmAlloc->gpuAllocations.getGraphicsAllocation(rootDeviceIndex);
} else {
auto allocationType = constant ? AllocationType::CONSTANT_SURFACE : AllocationType::GLOBAL_SURFACE;
gpuAllocation = device.getMemoryManager()->allocateGraphicsMemoryWithProperties({rootDeviceIndex,
true, // allocateMemory
size, allocationType,
false, // isMultiStorageAllocation
deviceBitfield});
}
if (!gpuAllocation) {
return nullptr;
}
auto &hwInfo = device.getHardwareInfo();
auto &hwInfoConfig = *HwInfoConfig::get(hwInfo.platform.eProductFamily);
auto success = MemoryTransferHelper::transferMemoryToAllocation(hwInfoConfig.isBlitCopyRequiredForLocalMemory(hwInfo, *gpuAllocation),
device, gpuAllocation, 0, initData, size);
UNRECOVERABLE_IF(!success);
return gpuAllocation;
}
} // namespace NEO
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