95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
/*
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* Copyright (c) 2017 - 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include "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 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 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 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 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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