COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae

1 files changed, 98 insertions, 0 deletions

diff --git a/src/runtime/CL/functions/CLMinMaxLocation.cpp b/src/runtime/CL/functions/CLMinMaxLocation.cpp
new file mode 100644
index 0000000000..ad783d8a53
--- /dev/null
+++ b/src/runtime/CL/functions/CLMinMaxLocation.cpp
@@ -0,0 +1,98 @@
+/*
+ * 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.
+ */
+#include "arm_compute/runtime/CL/functions/CLMinMaxLocation.h"
+
+#include "arm_compute/core/CL/CLHelpers.h"
+
+using namespace arm_compute;
+
+CLMinMaxLocation::CLMinMaxLocation()
+    : _min_max_kernel(),
+      _min_max_loc_kernel(),
+      _min_max_vals(),
+      _min_max_count_vals(),
+      _min(nullptr),
+      _max(nullptr),
+      _min_count(nullptr),
+      _max_count(nullptr),
+      _min_loc(nullptr),
+      _max_loc(nullptr)
+{
+}
+
+void CLMinMaxLocation::configure(const ICLImage *input, int32_t *min, int32_t *max, CLCoordinates2DArray *min_loc, CLCoordinates2DArray *max_loc, uint32_t *min_count, uint32_t *max_count)
+{
+    ARM_COMPUTE_ERROR_ON(nullptr == min);
+    ARM_COMPUTE_ERROR_ON(nullptr == max);
+
+    _min_max_vals       = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(int32_t));
+    _min_max_count_vals = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(uint32_t));
+    _min                = min;
+    _max                = max;
+    _min_count          = min_count;
+    _max_count          = max_count;
+    _min_loc            = min_loc;
+    _max_loc            = max_loc;
+
+    _min_max_kernel.configure(input, &_min_max_vals);
+    _min_max_loc_kernel.configure(input, &_min_max_vals, &_min_max_count_vals, _min_loc, _max_loc);
+}
+
+void CLMinMaxLocation::run()
+{
+    cl::CommandQueue q = CLScheduler::get().queue();
+
+    CLScheduler::get().enqueue(_min_max_kernel, false);
+    CLScheduler::get().enqueue(_min_max_loc_kernel, false);
+
+    // Update min and max
+    q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 0 * sizeof(int32_t), sizeof(int32_t), _min);
+    q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 1 * sizeof(int32_t), sizeof(int32_t), _max);
+
+    // Update min and max count
+    if(_min_count != nullptr)
+    {
+        q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 0 * sizeof(uint32_t), sizeof(uint32_t), _min_count);
+    }
+    if(_max_count != nullptr)
+    {
+        q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 1 * sizeof(uint32_t), sizeof(uint32_t), _max_count);
+    }
+
+    // Update min/max point arrays (Makes the kernel blocking)
+    if(_min_loc != nullptr)
+    {
+        unsigned int min_count = 0;
+        q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 0 * sizeof(uint32_t), sizeof(uint32_t), &min_count);
+        size_t min_corner_size = std::min(static_cast<size_t>(min_count), _min_loc->max_num_values());
+        _min_loc->resize(min_corner_size);
+    }
+    if(_max_loc != nullptr)
+    {
+        unsigned int max_count = 0;
+        q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 1 * sizeof(uint32_t), sizeof(uint32_t), &max_count);
+        size_t max_corner_size = std::min(static_cast<size_t>(max_count), _max_loc->max_num_values());
+        _max_loc->resize(max_corner_size);
+    }
+}