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/*
* Copyright (C) 2023-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/blit_helper.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/blit_properties.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/memory_manager/graphics_allocation.h"
namespace NEO {
namespace BlitHelperFunctions {
BlitMemoryToAllocationFunc blitMemoryToAllocation = BlitHelper::blitMemoryToAllocation;
BlitMemsetAllocationFunc blitMemsetAllocation = BlitHelper::blitMemsetAllocation;
} // namespace BlitHelperFunctions
BlitOperationResult BlitHelper::blitMemoryToAllocation(const Device &device, GraphicsAllocation *memory, size_t offset, const void *hostPtr,
const Vec3<size_t> &size) {
auto memoryBanks = memory->storageInfo.getMemoryBanks();
return blitMemoryToAllocationBanks(device, memory, offset, hostPtr, size, memoryBanks);
}
BlitOperationResult BlitHelper::blitMemoryToAllocationBanks(const Device &device, GraphicsAllocation *memory, size_t offset, const void *hostPtr,
const Vec3<size_t> &size, DeviceBitfield memoryBanks) {
const auto &hwInfo = device.getHardwareInfo();
if (!hwInfo.capabilityTable.blitterOperationsSupported) {
return BlitOperationResult::unsupported;
}
auto &gfxCoreHelper = device.getGfxCoreHelper();
UNRECOVERABLE_IF(memoryBanks.none());
auto pRootDevice = device.getRootDevice();
for (uint8_t tileId = 0u; tileId < 4u; tileId++) {
if (!memoryBanks.test(tileId)) {
continue;
}
UNRECOVERABLE_IF(!pRootDevice->getDeviceBitfield().test(tileId));
auto pDeviceForBlit = pRootDevice->getNearestGenericSubDevice(tileId);
auto &selectorCopyEngine = pDeviceForBlit->getSelectorCopyEngine();
auto deviceBitfield = pDeviceForBlit->getDeviceBitfield();
auto internalUsage = true;
auto bcsEngineType = EngineHelpers::getBcsEngineType(pDeviceForBlit->getRootDeviceEnvironment(), deviceBitfield, selectorCopyEngine, internalUsage);
auto bcsEngineUsage = gfxCoreHelper.preferInternalBcsEngine() ? EngineUsage::internal : EngineUsage::regular;
auto bcsEngine = pDeviceForBlit->tryGetEngine(bcsEngineType, bcsEngineUsage);
if (!bcsEngine) {
return BlitOperationResult::unsupported;
}
bcsEngine->commandStreamReceiver->initializeResources(false, device.getPreemptionMode());
bcsEngine->commandStreamReceiver->initDirectSubmission();
BlitPropertiesContainer blitPropertiesContainer;
blitPropertiesContainer.push_back(
BlitProperties::constructPropertiesForReadWrite(BlitterConstants::BlitDirection::hostPtrToBuffer,
*bcsEngine->commandStreamReceiver, memory, nullptr,
hostPtr,
(memory->getGpuAddress() + offset),
0, 0, 0, size, 0, 0, 0, 0));
const auto newTaskCount = bcsEngine->commandStreamReceiver->flushBcsTask(blitPropertiesContainer, true, *pDeviceForBlit);
if (newTaskCount == CompletionStamp::gpuHang) {
return BlitOperationResult::gpuHang;
}
}
return BlitOperationResult::success;
}
BlitOperationResult BlitHelper::blitMemsetAllocation(const Device &device, GraphicsAllocation *memory, size_t offset, int value, size_t size) {
auto memoryBanks = memory->storageInfo.getMemoryBanks();
return blitMemsetAllocationBanks(device, memory, offset, value, size, memoryBanks);
}
BlitOperationResult BlitHelper::blitMemsetAllocationBanks(const Device &device, GraphicsAllocation *memory, size_t offset, int value,
size_t size, DeviceBitfield memoryBanks) {
const auto &hwInfo = device.getHardwareInfo();
if (!hwInfo.capabilityTable.blitterOperationsSupported) {
return BlitOperationResult::unsupported;
}
auto &gfxCoreHelper = device.getGfxCoreHelper();
UNRECOVERABLE_IF(memoryBanks.none());
auto pRootDevice = device.getRootDevice();
uint8_t byteValue = static_cast<uint8_t>(value);
uint32_t patternToCommand[4] = {};
memcpy_s(patternToCommand, sizeof(patternToCommand), &byteValue, 1);
for (uint8_t tileId = 0u; tileId < 4u; tileId++) {
if (!memoryBanks.test(tileId)) {
continue;
}
UNRECOVERABLE_IF(!pRootDevice->getDeviceBitfield().test(tileId));
auto pDeviceForBlit = pRootDevice->getNearestGenericSubDevice(tileId);
auto &selectorCopyEngine = pDeviceForBlit->getSelectorCopyEngine();
auto deviceBitfield = pDeviceForBlit->getDeviceBitfield();
auto internalUsage = true;
auto bcsEngineType = EngineHelpers::getBcsEngineType(pDeviceForBlit->getRootDeviceEnvironment(), deviceBitfield, selectorCopyEngine, internalUsage);
auto bcsEngineUsage = gfxCoreHelper.preferInternalBcsEngine() ? EngineUsage::internal : EngineUsage::regular;
auto bcsEngine = pDeviceForBlit->tryGetEngine(bcsEngineType, bcsEngineUsage);
if (!bcsEngine) {
return BlitOperationResult::unsupported;
}
bcsEngine->commandStreamReceiver->initializeResources(false, device.getPreemptionMode());
bcsEngine->commandStreamReceiver->initDirectSubmission();
BlitPropertiesContainer blitPropertiesContainer;
blitPropertiesContainer.push_back(
BlitProperties::constructPropertiesForMemoryFill(
memory, 0, size, patternToCommand, 1, offset));
const auto newTaskCount = bcsEngine->commandStreamReceiver->flushBcsTask(blitPropertiesContainer, true, *pDeviceForBlit);
if (newTaskCount == CompletionStamp::gpuHang) {
return BlitOperationResult::gpuHang;
}
}
return BlitOperationResult::success;
}
} // namespace NEO
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