COMPMID-1088: Use IMemoryRegion in interfaces where possible
-Simplifies import memory interface
-Changes the used of void** handles with appropriate interfaces.
Change-Id: I5918c855c11f46352058864623336b352162a4b7
diff --git a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
new file mode 100644
index 0000000..23e3ceb
--- /dev/null
+++ b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2018 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_RUNTIME_GLES_COMPUTE_GC_MEMORY_REGION_H__
+#define __ARM_COMPUTE_RUNTIME_GLES_COMPUTE_GC_MEMORY_REGION_H__
+
+#include "arm_compute/core/GLES_COMPUTE/OpenGLES.h"
+#include "arm_compute/runtime/IMemoryRegion.h"
+
+#include <cstddef>
+
+namespace arm_compute
+{
+/** GLES memory region interface */
+class IGCMemoryRegion : public IMemoryRegion
+{
+public:
+ /** Constructor
+ *
+ * @param[in] size Region size
+ */
+ IGCMemoryRegion(size_t size);
+ /** Default Destructor */
+ virtual ~IGCMemoryRegion() = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ IGCMemoryRegion(const IGCMemoryRegion &) = delete;
+ /** Default move constructor */
+ IGCMemoryRegion(IGCMemoryRegion &&) = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ IGCMemoryRegion &operator=(const IGCMemoryRegion &) = delete;
+ /** Default move assignment operator */
+ IGCMemoryRegion &operator=(IGCMemoryRegion &&) = default;
+ /** Returns the underlying CL buffer
+ *
+ * @return CL memory buffer object
+ */
+ const GLuint &gc_ssbo_name() const;
+ /** Host/SVM pointer accessor
+ *
+ * @return Host/SVM pointer base
+ */
+ virtual void *ptr() = 0;
+ /** Enqueue a map operation of the allocated buffer on the given queue.
+ *
+ * @param[in] blocking 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.
+ */
+ virtual void *map(bool blocking) = 0;
+ /** Enqueue an unmap operation of the allocated buffer on the given queue.
+ *
+ * @note This method simply enqueue 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.
+ *
+ */
+ virtual void unmap() = 0;
+
+ // Inherited methods overridden :
+ void *buffer() override;
+ void *buffer() const override;
+
+protected:
+ void *_mapping;
+ GLuint _ssbo_name;
+};
+
+/** GLES buffer memory region implementation */
+class GCBufferMemoryRegion final : public IGCMemoryRegion
+{
+public:
+ /** Constructor
+ *
+ * @param[in] size Region size
+ */
+ GCBufferMemoryRegion(size_t size);
+ /** Destructor */
+ ~GCBufferMemoryRegion();
+
+ // Inherited methods overridden :
+ void *ptr() final;
+ void *map(bool blocking) final;
+ void unmap() final;
+ std::unique_ptr<IMemoryRegion> extract_subregion(size_t offset, size_t size) final;
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_RUNTIME_GLES_COMPUTE_GC_MEMORY_REGION_H__ */