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/*
* Copyright (c) 2017-2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/runtime/CL/CLBufferAllocator.h"
#include "arm_compute/core/CL/CLCoreRuntimeContext.h"
#include "arm_compute/core/CL/OpenCL.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/runtime/CL/CLMemoryRegion.h"
#include "arm_compute/runtime/CL/CLScheduler.h"
#include "support/ToolchainSupport.h"
#include <cstddef>
namespace arm_compute
{
CLBufferAllocator::CLBufferAllocator(CLCoreRuntimeContext *ctx)
: _ctx(ctx)
{
}
void *CLBufferAllocator::allocate(size_t size, size_t alignment)
{
ARM_COMPUTE_UNUSED(alignment);
cl_mem buf;
if(_ctx == nullptr)
{
buf = clCreateBuffer(CLScheduler::get().context().get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr);
}
else
{
buf = clCreateBuffer(_ctx->context().get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr);
}
return static_cast<void *>(buf);
}
void CLBufferAllocator::free(void *ptr)
{
ARM_COMPUTE_ERROR_ON(ptr == nullptr);
clReleaseMemObject(static_cast<cl_mem>(ptr));
}
std::unique_ptr<IMemoryRegion> CLBufferAllocator::make_region(size_t size, size_t alignment)
{
ARM_COMPUTE_UNUSED(alignment);
return arm_compute::support::cpp14::make_unique<CLBufferMemoryRegion>(_ctx, CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size);
}
} // namespace arm_compute
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