119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
/*
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* Copyright (C) 2017-2019 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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#include "runtime/mem_obj/pipe.h"
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#include "runtime/context/context.h"
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#include "runtime/helpers/get_info.h"
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#include "runtime/mem_obj/mem_obj_helper.h"
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#include "runtime/memory_manager/memory_manager.h"
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namespace NEO {
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Pipe::Pipe(Context *context,
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cl_mem_flags flags,
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cl_uint packetSize,
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cl_uint maxPackets,
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const cl_pipe_properties *properties,
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void *memoryStorage,
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GraphicsAllocation *gfxAllocation)
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: MemObj(context,
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CL_MEM_OBJECT_PIPE,
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flags,
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static_cast<size_t>(packetSize * (maxPackets + 1) + intelPipeHeaderReservedSpace),
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memoryStorage,
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nullptr,
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gfxAllocation,
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false,
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false,
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false),
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pipePacketSize(packetSize),
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pipeMaxPackets(maxPackets) {
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magic = objectMagic;
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}
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Pipe *Pipe::create(Context *context,
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cl_mem_flags flags,
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cl_uint packetSize,
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cl_uint maxPackets,
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const cl_pipe_properties *properties,
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cl_int &errcodeRet) {
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Pipe *pPipe = nullptr;
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errcodeRet = CL_SUCCESS;
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MemoryManager *memoryManager = context->getMemoryManager();
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DEBUG_BREAK_IF(!memoryManager);
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MemoryProperties memoryProperties;
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memoryProperties.flags = flags;
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while (true) {
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auto size = static_cast<size_t>(packetSize * (maxPackets + 1) + intelPipeHeaderReservedSpace);
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AllocationProperties allocProperties =
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MemObjHelper::getAllocationProperties(memoryProperties, true, size, GraphicsAllocation::AllocationType::PIPE);
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StorageInfo storageInfo = MemObjHelper::getStorageInfo(memoryProperties);
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GraphicsAllocation *memory = memoryManager->allocateGraphicsMemoryInPreferredPool(allocProperties, storageInfo, nullptr);
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if (!memory) {
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errcodeRet = CL_OUT_OF_HOST_MEMORY;
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break;
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}
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pPipe = new (std::nothrow) Pipe(context, flags, packetSize, maxPackets, properties, memory->getUnderlyingBuffer(), memory);
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if (!pPipe) {
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memoryManager->freeGraphicsMemory(memory);
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memory = nullptr;
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errcodeRet = CL_OUT_OF_HOST_MEMORY;
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break;
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}
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// Initialize pipe_control_intel_t structure located at the beginning of the surface
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memset(memory->getUnderlyingBuffer(), 0, intelPipeHeaderReservedSpace);
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*reinterpret_cast<unsigned int *>(memory->getUnderlyingBuffer()) = maxPackets + 1;
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break;
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}
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return pPipe;
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}
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cl_int Pipe::getPipeInfo(cl_image_info paramName,
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size_t paramValueSize,
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void *paramValue,
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size_t *paramValueSizeRet) {
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cl_int retVal;
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size_t srcParamSize = 0;
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void *srcParam = nullptr;
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switch (paramName) {
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case CL_PIPE_PACKET_SIZE:
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srcParamSize = sizeof(cl_uint);
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srcParam = &(pipePacketSize);
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break;
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case CL_PIPE_MAX_PACKETS:
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srcParamSize = sizeof(cl_uint);
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srcParam = &(pipeMaxPackets);
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break;
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default:
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break;
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}
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retVal = ::getInfo(paramValue, paramValueSize, srcParam, srcParamSize);
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if (paramValueSizeRet) {
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*paramValueSizeRet = srcParamSize;
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}
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return retVal;
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}
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void Pipe::setPipeArg(void *memory, uint32_t patchSize) {
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patchWithRequiredSize(memory, patchSize, (uintptr_t)getCpuAddress());
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}
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Pipe::~Pipe() = default;
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} // namespace NEO
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