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Diffstat (limited to 'arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h')
-rw-r--r-- | arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h new file mode 100644 index 0000000000..23e3cebe3f --- /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__ */ |