COMPMID-2549: Add GLES Runtime Context interfaces.

* Creates interfaces and concrete classes
* Ports GCActivationalLayer
* Adapts test framework and relevant tests

Change-Id: Ide36cd65ebf185958db3c4a5bebd630fcb2f39b3
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2199
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/GLES_COMPUTE/GCRuntimeContext.cpp b/src/runtime/GLES_COMPUTE/GCRuntimeContext.cpp
new file mode 100644
index 0000000..1c30af1
--- /dev/null
+++ b/src/runtime/GLES_COMPUTE/GCRuntimeContext.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019 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.
+ */
+#include "arm_compute/runtime/GLES_COMPUTE/GCRuntimeContext.h"
+
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/GLES_COMPUTE/GCHelpers.h"
+#include "arm_compute/runtime/GLES_COMPUTE/GCScheduler.h"
+
+namespace arm_compute
+{
+GCRuntimeContext::GCRuntimeContext()
+    : _gpu_owned_scheduler(support::cpp14::make_unique<GCScheduler>()),
+      _gpu_scheduler(_gpu_owned_scheduler.get()),
+      _core_context()
+{
+    auto attrs   = create_opengl_display_and_context();
+    auto display = std::get<0>(attrs);
+    auto ctx     = std::get<1>(attrs);
+
+    _gpu_owned_scheduler->default_init_with_context(display, ctx);
+    _kernel_lib.init("./cs_shaders/", display, ctx);
+
+    _core_context = GCCoreRuntimeContext(&_kernel_lib);
+}
+
+GCKernelLibrary &GCRuntimeContext::kernel_library()
+{
+    return _kernel_lib;
+}
+
+GCCoreRuntimeContext *GCRuntimeContext::core_runtime_context()
+{
+    return &_core_context;
+}
+
+void GCRuntimeContext::set_gpu_scheduler(GCScheduler *scheduler)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(scheduler);
+    _gpu_scheduler = scheduler;
+}
+
+GCScheduler *GCRuntimeContext::gpu_scheduler()
+{
+    return _gpu_scheduler;
+}
+} // namespace arm_compute