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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/GLES_COMPUTE/GCTensorAllocator.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h"
#include "arm_compute/runtime/GLES_COMPUTE/GCScheduler.h"
#include "support/ToolchainSupport.h"
using namespace arm_compute;
GCTensorAllocator::GCTensorAllocator(IMemoryManageable *owner)
: _owner(owner), _associated_memory_group(nullptr), _memory(), _mapping(nullptr)
{
}
uint8_t *GCTensorAllocator::data()
{
return _mapping;
}
void GCTensorAllocator::allocate()
{
if(_associated_memory_group == nullptr)
{
_memory.set_owned_region(support::cpp14::make_unique<GCBufferMemoryRegion>(info().total_size()));
}
else
{
_associated_memory_group->finalize_memory(_owner, _memory, info().total_size(), alignment());
}
info().set_is_resizable(false);
}
void GCTensorAllocator::free()
{
_mapping = nullptr;
_memory.set_region(nullptr);
info().set_is_resizable(true);
}
void GCTensorAllocator::set_associated_memory_group(IMemoryGroup *associated_memory_group)
{
ARM_COMPUTE_ERROR_ON(associated_memory_group == nullptr);
ARM_COMPUTE_ERROR_ON(_associated_memory_group != nullptr && _associated_memory_group != associated_memory_group);
ARM_COMPUTE_ERROR_ON(_memory.region() != nullptr && _memory.gc_region()->gc_ssbo_name() != 0);
_associated_memory_group = associated_memory_group;
}
uint8_t *GCTensorAllocator::lock()
{
return map(true);
}
void GCTensorAllocator::unlock()
{
unmap();
}
GLuint GCTensorAllocator::get_gl_ssbo_name() const
{
return (_memory.region() == nullptr) ? static_cast<GLuint>(0) : _memory.gc_region()->gc_ssbo_name();
}
uint8_t *GCTensorAllocator::map(bool blocking)
{
ARM_COMPUTE_ERROR_ON(_mapping != nullptr);
ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr);
_mapping = reinterpret_cast<uint8_t *>(_memory.gc_region()->map(blocking));
return _mapping;
}
void GCTensorAllocator::unmap()
{
ARM_COMPUTE_ERROR_ON(_mapping == nullptr);
ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr);
_memory.gc_region()->unmap();
_mapping = nullptr;
}
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