From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001
From: Anthony Barbier <anthony.barbier@arm.com>
Date: Mon, 4 Sep 2017 18:44:23 +0100
Subject: COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
---
 src/runtime/CL/CLLutAllocator.cpp | 77 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/runtime/CL/CLLutAllocator.cpp

(limited to 'src/runtime/CL/CLLutAllocator.cpp')

diff --git a/src/runtime/CL/CLLutAllocator.cpp b/src/runtime/CL/CLLutAllocator.cpp
new file mode 100644
index 0000000000..311de4bb8d
--- /dev/null
+++ b/src/runtime/CL/CLLutAllocator.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+#include "arm_compute/runtime/CL/CLLutAllocator.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+using namespace arm_compute;
+
+CLLutAllocator::CLLutAllocator()
+    : _buffer(), _mapping(nullptr)
+{
+}
+
+uint8_t *CLLutAllocator::data()
+{
+    return _mapping;
+}
+
+const cl::Buffer &CLLutAllocator::cl_data() const
+{
+    return _buffer;
+}
+
+uint8_t *CLLutAllocator::map(cl::CommandQueue &q, bool blocking)
+{
+    ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr);
+    return static_cast<uint8_t *>(q.enqueueMapBuffer(_buffer, blocking ? CL_TRUE : CL_FALSE, CL_MAP_READ | CL_MAP_WRITE, 0, size()));
+}
+
+void CLLutAllocator::unmap(cl::CommandQueue &q, uint8_t *mapping)
+{
+    ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr);
+    q.enqueueUnmapMemObject(_buffer, mapping);
+}
+
+void CLLutAllocator::allocate()
+{
+    _buffer = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size());
+}
+
+uint8_t *CLLutAllocator::lock()
+{
+    ARM_COMPUTE_ERROR_ON(_mapping != nullptr);
+    cl::CommandQueue q = CLScheduler::get().queue();
+    _mapping           = map(q, true);
+    return _mapping;
+}
+
+void CLLutAllocator::unlock()
+{
+    ARM_COMPUTE_ERROR_ON(_mapping == nullptr);
+    cl::CommandQueue q = CLScheduler::get().queue();
+    unmap(q, _mapping);
+    _mapping = nullptr;
+}
-- 
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