106 lines
4.6 KiB
C++
106 lines
4.6 KiB
C++
/*
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* Copyright (C) 2018-2021 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 "gtpin_helpers.h"
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#include "shared/source/memory_manager/memory_manager.h"
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#include "shared/source/memory_manager/unified_memory_manager.h"
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#include "opencl/source/api/api.h"
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#include "opencl/source/cl_device/cl_device.h"
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#include "opencl/source/context/context.h"
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#include "opencl/source/gtpin/gtpin_hw_helper.h"
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#include "opencl/source/helpers/cl_validators.h"
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#include "opencl/source/mem_obj/buffer.h"
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#include "CL/cl.h"
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#include "ocl_igc_shared/gtpin/gtpin_ocl_interface.h"
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using namespace gtpin;
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namespace NEO {
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GTPIN_DI_STATUS GTPIN_DRIVER_CALLCONV gtpinCreateBuffer(context_handle_t context, uint32_t reqSize, resource_handle_t *pResource) {
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cl_int diag = CL_SUCCESS;
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Context *pContext = castToObject<Context>((cl_context)context);
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if ((pContext == nullptr) || (pResource == nullptr)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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size_t size = alignUp(reqSize, MemoryConstants::cacheLineSize);
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GTPinHwHelper >pinHelper = GTPinHwHelper::get(pContext->getDevice(0)->getHardwareInfo().platform.eRenderCoreFamily);
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if (gtpinHelper.canUseSharedAllocation(pContext->getDevice(0)->getHardwareInfo())) {
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void *unifiedMemorySharedAllocation = clSharedMemAllocINTEL(pContext, pContext->getDevice(0), 0, size, 0, &diag);
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auto allocationsManager = pContext->getSVMAllocsManager();
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auto graphicsAllocation = allocationsManager->getSVMAlloc(unifiedMemorySharedAllocation);
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*pResource = (resource_handle_t)graphicsAllocation;
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} else {
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void *hostPtr = pContext->getMemoryManager()->allocateSystemMemory(size, MemoryConstants::pageSize);
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if (hostPtr == nullptr) {
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return GTPIN_DI_ERROR_ALLOCATION_FAILED;
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}
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cl_mem buffer = Buffer::create(pContext, CL_MEM_USE_HOST_PTR | CL_MEM_READ_WRITE | CL_MEM_FORCE_HOST_MEMORY_INTEL, size, hostPtr, diag);
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*pResource = (resource_handle_t)buffer;
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}
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return GTPIN_DI_SUCCESS;
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}
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GTPIN_DI_STATUS GTPIN_DRIVER_CALLCONV gtpinFreeBuffer(context_handle_t context, resource_handle_t resource) {
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Context *pContext = castToObject<Context>((cl_context)context);
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if ((pContext == nullptr) || (resource == nullptr)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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GTPinHwHelper >pinHelper = GTPinHwHelper::get(pContext->getDevice(0)->getHardwareInfo().platform.eRenderCoreFamily);
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if (gtpinHelper.canUseSharedAllocation(pContext->getDevice(0)->getHardwareInfo())) {
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auto allocData = reinterpret_cast<SvmAllocationData *>(resource);
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clMemFreeINTEL(pContext, allocData->cpuAllocation->getUnderlyingBuffer());
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} else {
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auto pMemObj = castToObject<MemObj>(resource);
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if (pMemObj == nullptr) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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alignedFree(pMemObj->getHostPtr());
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pMemObj->release();
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}
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return GTPIN_DI_SUCCESS;
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}
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GTPIN_DI_STATUS GTPIN_DRIVER_CALLCONV gtpinMapBuffer(context_handle_t context, resource_handle_t resource, uint8_t **pAddress) {
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cl_mem buffer = (cl_mem)resource;
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Context *pContext = castToObject<Context>((cl_context)context);
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if ((pContext == nullptr) || (buffer == nullptr) || (pAddress == nullptr)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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GTPinHwHelper >pinHelper = GTPinHwHelper::get(pContext->getDevice(0)->getHardwareInfo().platform.eRenderCoreFamily);
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if (gtpinHelper.canUseSharedAllocation(pContext->getDevice(0)->getHardwareInfo())) {
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auto allocData = reinterpret_cast<SvmAllocationData *>(resource);
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*pAddress = reinterpret_cast<uint8_t *>(allocData->cpuAllocation->getUnderlyingBuffer());
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} else {
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auto pMemObj = castToObject<MemObj>(buffer);
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if (pMemObj == nullptr) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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*pAddress = reinterpret_cast<uint8_t *>(pMemObj->getHostPtr());
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}
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return GTPIN_DI_SUCCESS;
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}
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GTPIN_DI_STATUS GTPIN_DRIVER_CALLCONV gtpinUnmapBuffer(context_handle_t context, resource_handle_t resource) {
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Context *pContext = castToObject<Context>((cl_context)context);
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if ((pContext == nullptr) || (resource == nullptr)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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GTPinHwHelper >pinHelper = GTPinHwHelper::get(pContext->getDevice(0)->getHardwareInfo().platform.eRenderCoreFamily);
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if (!gtpinHelper.canUseSharedAllocation(pContext->getDevice(0)->getHardwareInfo())) {
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auto pMemObj = castToObject<MemObj>(resource);
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if (pMemObj == nullptr) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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}
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return GTPIN_DI_SUCCESS;
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}
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} // namespace NEO
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