Remove OpenGL ES support

Remove the following:
 - Relevant backend kernels
 - Relevant backend functions
 - Relevant backend validation tests
 - Relevant backend specific examples
 - Remove backend support from Graph API
 - Remove backend support from build system

Update documentation

Resolves: COMPMID-4149

Change-Id: Id0621d6ee35169754de458103907aaba4ef770c0
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5097
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 0 insertions, 108 deletions

diff --git a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h b/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
deleted file mode 100644
index 90fd4c6d86..0000000000
--- a/arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2018-2020 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;
-    const 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 */