COMPMID-1004 GLES: Add memory manager to GLES functions

Change-Id: I80fc9c0dd02afd79b501abde751036f9599b7bf2
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125103
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/runtime/GLES_COMPUTE/GCBufferAllocator.cpp b/src/runtime/GLES_COMPUTE/GCBufferAllocator.cpp
new file mode 100644
index 0000000000..50e3cc7c1c
--- /dev/null
+++ b/src/runtime/GLES_COMPUTE/GCBufferAllocator.cpp
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+#include "arm_compute/runtime/GLES_COMPUTE/GCBufferAllocator.h"
+#include "arm_compute/runtime/GLES_COMPUTE/GCTensorAllocator.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/GLES_COMPUTE/OpenGLES.h"
+
+#include <cstddef>
+
+using namespace arm_compute;
+
+void *GCBufferAllocator::allocate(size_t size, size_t alignment)
+{
+    ARM_COMPUTE_UNUSED(alignment);
+    auto *gl_buffer = new GLBufferWrapper();
+    ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, gl_buffer->_ssbo_name));
+    ARM_COMPUTE_GL_CHECK(glBufferData(GL_SHADER_STORAGE_BUFFER, static_cast<GLsizeiptr>(size), nullptr, GL_STATIC_DRAW));
+    ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0));
+
+    return reinterpret_cast<void *>(gl_buffer);
+}
+
+void GCBufferAllocator::free(void *ptr)
+{
+    ARM_COMPUTE_ERROR_ON(ptr == nullptr);
+    auto *gl_buffer = reinterpret_cast<GLBufferWrapper *>(ptr);
+    delete gl_buffer;
+}