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+/*
+ * Copyright (c) 2017 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:
+ /** 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;
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(bool blocking) override;
+ void do_unmap() override;
+
+private:
+ mutable GCTensorAllocator _allocator;
+};
+
+using GCImage = GCTensor;
+}
+
+#endif /*__ARM_COMPUTE_GCTENSOR_H__ */