78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/*
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* Copyright (C) 2017-2018 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 "ocl_igc_shared/gtpin/gtpin_ocl_interface.h"
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#include "gtpin_helpers.h"
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#include "CL/cl.h"
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#include "runtime/context/context.h"
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#include "runtime/helpers/validators.h"
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#include "runtime/mem_obj/buffer.h"
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#include "runtime/memory_manager/memory_manager.h"
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using namespace gtpin;
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namespace OCLRT {
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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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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, size, hostPtr, diag);
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*pResource = (resource_handle_t)buffer;
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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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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)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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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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alignedFree(pMemObj->getHostPtr());
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pMemObj->release();
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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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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 = (uint8_t *)pMemObj->getHostPtr();
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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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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)) {
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return GTPIN_DI_ERROR_INVALID_ARGUMENT;
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}
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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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return GTPIN_DI_SUCCESS;
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}
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} // namespace OCLRT
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