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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.
*/
#ifndef __ARM_COMPUTE_GCTENSOR_H__
#define __ARM_COMPUTE_GCTENSOR_H__
#include "arm_compute/core/GLES_COMPUTE/IGCTensor.h"
#include "arm_compute/runtime/GLES_COMPUTE/GCTensorAllocator.h"
namespace arm_compute
{
class ITensorAllocator;
class ITensorInfo;
/** Interface for OpenGL ES tensor */
class GCTensor : public IGCTensor, public IMemoryManageable
{
public:
/** Default constructor */
GCTensor();
/** Prevent instances of this class from being copied (As this class contains pointers) */
GCTensor(const GCTensor &) = delete;
/** Prevent instances of this class from being copy assigned (As this class contains pointers) */
GCTensor &operator=(const GCTensor &) = delete;
/** Allow instances of this class to be moved */
GCTensor(GCTensor &&) = default;
/** Allow instances of this class to be moved */
GCTensor &operator=(GCTensor &&) = default;
/** Virtual destructor */
virtual ~GCTensor() = default;
/** Return a pointer to the tensor's allocator
*
* @return A pointer to the tensor's allocator
*/
ITensorAllocator *allocator();
/** Enqueue a map operation of the allocated buffer on the given queue.
*
* @param[in] blocking (Optional) If true, then the mapping will be ready to use by the time
* this method returns, else it is the caller's responsibility
* to flush the queue and wait for the mapping operation to have completed before using the returned mapping pointer.
*
* @return The mapping address.
*/
void map(bool blocking = true);
/** Enqueue an unmap operation of the allocated and mapped buffer on the given queue.
*
* @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
* the memory is accessed by the device.
*
*/
void unmap();
// Inherited methods overridden:
TensorInfo *info() const override;
TensorInfo *info() override;
uint8_t *buffer() const override;
GLuint gc_buffer() const override;
void associate_memory_group(IMemoryGroup *memory_group) override;
protected:
// Inherited methods overridden:
uint8_t *do_map(bool blocking) override;
void do_unmap() override;
private:
mutable GCTensorAllocator _allocator; /**< Instance of the OpenGL ES tensor allocator */
};
/** OpenGL ES Image */
using GCImage = GCTensor;
} // namespace arm_compute
#endif /*__ARM_COMPUTE_GCTENSOR_H__ */
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