123 lines
4.9 KiB
C++
123 lines
4.9 KiB
C++
/*
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* Copyright (C) 2017-2020 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 "shared/source/built_ins/built_ins.h"
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#include "shared/source/command_stream/command_stream_receiver.h"
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#include "shared/source/helpers/string.h"
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#include "shared/source/memory_manager/unified_memory_manager.h"
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#include "opencl/source/command_queue/command_queue_hw.h"
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#include "opencl/source/helpers/hardware_commands_helper.h"
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#include "opencl/source/mem_obj/buffer.h"
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#include "opencl/source/memory_manager/mem_obj_surface.h"
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#include <new>
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namespace NEO {
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template <typename GfxFamily>
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cl_int CommandQueueHw<GfxFamily>::enqueueWriteBuffer(
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Buffer *buffer,
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cl_bool blockingWrite,
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size_t offset,
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size_t size,
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const void *ptr,
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GraphicsAllocation *mapAllocation,
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cl_uint numEventsInWaitList,
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const cl_event *eventWaitList,
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cl_event *event) {
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const cl_command_type cmdType = CL_COMMAND_WRITE_BUFFER;
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auto isMemTransferNeeded = buffer->isMemObjZeroCopy() ? buffer->checkIfMemoryTransferIsRequired(offset, 0, ptr, cmdType) : true;
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bool isCpuCopyAllowed = bufferCpuCopyAllowed(buffer, cmdType, blockingWrite, size, const_cast<void *>(ptr),
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numEventsInWaitList, eventWaitList);
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//check if we are dealing with SVM pointer here for which we already have an allocation
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if (!mapAllocation && this->getContext().getSVMAllocsManager()) {
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auto rootDeviceIndex = getDevice().getRootDeviceIndex();
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auto svmEntry = this->getContext().getSVMAllocsManager()->getSVMAlloc(ptr);
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if (svmEntry) {
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if ((svmEntry->gpuAllocations.getGraphicsAllocation(rootDeviceIndex)->getGpuAddress() + svmEntry->size) < (castToUint64(ptr) + size)) {
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return CL_INVALID_OPERATION;
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}
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if (isCpuCopyAllowed) {
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if (svmEntry->memoryType == DEVICE_UNIFIED_MEMORY) {
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isCpuCopyAllowed = false;
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}
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}
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mapAllocation = svmEntry->cpuAllocation ? svmEntry->cpuAllocation : svmEntry->gpuAllocations.getGraphicsAllocation(rootDeviceIndex);
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}
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}
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if (isCpuCopyAllowed) {
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if (isMemTransferNeeded) {
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return enqueueReadWriteBufferOnCpuWithMemoryTransfer(cmdType, buffer, offset, size, const_cast<void *>(ptr),
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numEventsInWaitList, eventWaitList, event);
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} else {
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return enqueueReadWriteBufferOnCpuWithoutMemoryTransfer(cmdType, buffer, offset, size, const_cast<void *>(ptr),
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numEventsInWaitList, eventWaitList, event);
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}
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} else if (!isMemTransferNeeded) {
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return enqueueMarkerForReadWriteOperation(buffer, const_cast<void *>(ptr), cmdType, blockingWrite,
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numEventsInWaitList, eventWaitList, event);
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}
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auto eBuiltInOps = EBuiltInOps::CopyBufferToBuffer;
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if (forceStateless(buffer->getSize())) {
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eBuiltInOps = EBuiltInOps::CopyBufferToBufferStateless;
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}
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void *srcPtr = const_cast<void *>(ptr);
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HostPtrSurface hostPtrSurf(srcPtr, size, true);
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MemObjSurface bufferSurf(buffer);
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GeneralSurface mapSurface;
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Surface *surfaces[] = {&bufferSurf, nullptr};
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if (mapAllocation) {
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surfaces[1] = &mapSurface;
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mapSurface.setGraphicsAllocation(mapAllocation);
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//get offset between base cpu ptr of map allocation and dst ptr
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size_t srcOffset = ptrDiff(srcPtr, mapAllocation->getUnderlyingBuffer());
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srcPtr = reinterpret_cast<void *>(mapAllocation->getGpuAddress() + srcOffset);
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} else {
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surfaces[1] = &hostPtrSurf;
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if (size != 0) {
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auto &csr = getCommandStreamReceiverByCommandType(cmdType);
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bool status = csr.createAllocationForHostSurface(hostPtrSurf, false);
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if (!status) {
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return CL_OUT_OF_RESOURCES;
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}
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srcPtr = reinterpret_cast<void *>(hostPtrSurf.getAllocation()->getGpuAddress());
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}
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}
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void *alignedSrcPtr = alignDown(srcPtr, 4);
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size_t srcPtrOffset = ptrDiff(srcPtr, alignedSrcPtr);
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BuiltinOpParams dc;
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dc.srcPtr = alignedSrcPtr;
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dc.srcOffset = {srcPtrOffset, 0, 0};
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dc.dstMemObj = buffer;
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dc.dstOffset = {offset, 0, 0};
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dc.size = {size, 0, 0};
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dc.transferAllocation = mapAllocation ? mapAllocation : hostPtrSurf.getAllocation();
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MultiDispatchInfo dispatchInfo(dc);
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dispatchBcsOrGpgpuEnqueue<CL_COMMAND_WRITE_BUFFER>(dispatchInfo, surfaces, eBuiltInOps, numEventsInWaitList, eventWaitList, event, blockingWrite);
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if (context->isProvidingPerformanceHints()) {
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context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_NEUTRAL_INTEL, CL_ENQUEUE_WRITE_BUFFER_REQUIRES_COPY_DATA, static_cast<cl_mem>(buffer));
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}
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return CL_SUCCESS;
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}
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} // namespace NEO
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