ncnn: test: Add support for ROIPooling test (#1596)

* ncnn: test: Add support for ROIPooling test

* test: Fix bottom_blob of ROIPooling test

tests/CMakeLists.txt

@@ -37,6 +37,7 @@ ncnn_add_layer_test(Padding)
 ncnn_add_layer_test(Permute)
 ncnn_add_layer_test(PixelShuffle)
 ncnn_add_layer_test(Pooling)
+ncnn_add_layer_test(ROIPooling)
 ncnn_add_layer_test(ReLU)
 ncnn_add_layer_test(ELU)
 ncnn_add_layer_test(Reorg)

tests/test_roipooling.cpp

@@ -0,0 +1,80 @@
+// Tencent is pleased to support the open source community by making ncnn available.
+//
+// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
+//
+// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// https://opensource.org/licenses/BSD-3-Clause
+//
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations under the License.
+
+#include "testutil.h"
+
+#include "layer.h"
+#include "layer/roipooling.h"
+
+
+static int test_roipooling(int w, int h, int c, int pooled_width, int pooled_height, float spatial_scale)
+{
+    std::vector<ncnn::Mat> a;
+    a.push_back(RandomMat(w, h, c));
+    ncnn::Mat b(4);
+    b[0] = RandomFloat(0.001     , w-2.001);    //roi_x1
+    b[2] = RandomFloat(b[0]+1.001, w-1.001);    //roi_x2
+    b[1] = RandomFloat(0.001     , h-2.001);    //roi_y1
+    b[3] = RandomFloat(b[2]+1.001, h-1.001);    //roi_y2
+    a.push_back(b);
+
+    ncnn::ParamDict pd;
+    pd.set(0, pooled_width);    // pooled_width
+    pd.set(1, pooled_height);   // pooled_height
+    pd.set(2, spatial_scale);   // spatial_scale
+
+    std::vector<ncnn::Mat> weights(0);
+
+    ncnn::Option opt;
+    opt.num_threads = 1;
+    opt.use_vulkan_compute = true;
+    opt.use_fp16_packed = false;
+    opt.use_fp16_storage = false;
+    opt.use_fp16_arithmetic = false;
+    opt.use_int8_storage = false;
+    opt.use_int8_arithmetic = false;
+
+    int ret = test_layer<ncnn::ROIPooling>("ROIPooling", pd, weights, opt, a);
+    if (ret != 0)
+    {
+        fprintf(stderr, "test_roipooling failed base_w=%d base_h=%d base_c=%d pooled_width=%d pooled_height=%d spatial_scale=%4f.3\n", w, h, c, pooled_width, pooled_height, spatial_scale);
+    }
+
+    return ret;
+}
+
+static int test_roipooling_0()
+{
+    int ret = 0
+        || test_roipooling(112, 112, 16 , 56, 56, 0.50000)
+        || test_roipooling(56 , 56 , 32 , 28, 28, 0.25000)
+        || test_roipooling(28 , 28 , 64 , 14, 14, 0.12500)
+        || test_roipooling(14 , 14 , 128, 27, 17, 0.06250)
+        || test_roipooling(7  , 7  , 256,  3,  3, 0.03125)
+        ;
+
+    if (ret != 0)
+        return -1;
+
+    return 0;
+}
+
+int main()
+{
+    SRAND(7767517);
+
+    return 0
+        || test_roipooling_0()
+        ;
+}