COMPMID-631: Merge branches/gles_compute branch

Last commit:
commit b25c5f68042b0c81bf611d59a1bb8535e1c42497
Author: Xinghang Zhou <xinghang.zhou@arm.com>
Date:   Wed Oct 25 18:48:10 2017 +0800

    Synced validation's tolerances of GCSoftmax from cl side

Change-Id: Ibe72054205c1c8721845d679a31af7ed0a7c5cf6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93283
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/arm_compute/runtime/GLES_COMPUTE/GCScheduler.h b/arm_compute/runtime/GLES_COMPUTE/GCScheduler.h
new file mode 100644
index 0000000..817f8b5
--- /dev/null
+++ b/arm_compute/runtime/GLES_COMPUTE/GCScheduler.h
@@ -0,0 +1,73 @@
+/*
+ * 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_GCSCHEDULER_H__
+#define __ARM_COMPUTE_GCSCHEDULER_H__
+
+#include "arm_compute/core/GLES_COMPUTE/IGCKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class IGCKernel;
+
+/** Provides global access to a OpenGL ES context and command queue. */
+class GCScheduler
+{
+private:
+    /** Constructor */
+    GCScheduler();
+
+public:
+    /** Access the scheduler singleton.
+     *
+     * @return The scheduler
+     */
+    static GCScheduler &get();
+
+    /** Initialises the context and command queue used by the scheduler to default values
+     *  and sets a default device and kernel path for the @ref GCKernelLibrary.
+     */
+    void default_init();
+
+    /** Schedule the execution of the passed kernel if possible.
+     *
+     * @param[in] kernel Kernel to execute.
+     * @param[in] flush  (Optional) Specifies if the command queue will be flushed after running the kernel.
+     */
+    void enqueue(IGCKernel &kernel, bool flush = true);
+
+    /** Initialises the display and context to be used by the scheduler.
+     *
+     * @param[in] dpy The EGL display connection
+     * @param[in] ctx The EGL rendering context
+     */
+    void init(EGLDisplay dpy, EGLContext ctx);
+
+    /** Blocks until all commands in the associated command queue have finished. */
+    void sync();
+};
+}
+
+#endif /* __ARM_COMPUTE_GCSCHEDULER_H__ */