Added CUBIC type support for resize op

include/tim/vx/types.h

@@ -69,7 +69,7 @@ enum class OverflowPolicy { WRAP, SATURATE };
 
 enum class RoundingPolicy { TO_ZERO, RTNE };
 
-enum class ResizeType { NEAREST_NEIGHBOR, BILINEAR, AREA };
+enum class ResizeType { NEAREST_NEIGHBOR, BILINEAR, AREA, CUBIC};
 
 enum class DataLayout {
   ANY,

src/tim/vx/ops/resize_cubic_test.cc

@@ -0,0 +1,62 @@
+/****************************************************************************
+*
+*    Copyright (c) 2020-2024 Vivante Corporation
+*
+*    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 "tim/vx/context.h"
+#include "tim/vx/graph.h"
+#include "tim/vx/ops/resize.h"
+#include "test_utils.h"
+#include "gtest/gtest.h"
+
+TEST(Resize, Cubic_float) {
+    auto ctx = tim::vx::Context::Create();
+    auto graph = ctx->CreateGraph();
+
+    tim::vx::ShapeType input_shape({4, 4});
+    tim::vx::ShapeType output_shape({3, 3});
+    tim::vx::TensorSpec input_spec(tim::vx::DataType::FLOAT32, input_shape,
+                                   tim::vx::TensorAttribute::INPUT);
+    tim::vx::TensorSpec output_spec(tim::vx::DataType::FLOAT32, output_shape,
+                                    tim::vx::TensorAttribute::OUTPUT);
+
+    auto input_tensor = graph->CreateTensor(input_spec);
+    auto output_tensor = graph->CreateTensor(output_spec);
+
+    std::vector<float> in_data = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0,7.0, 8.0,
+                        9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0};
+    std::vector<float> golden = {1.5439453125, 2.935546875, 4.328125,
+                                   7.109375, 8.5, 9.890625,
+                                   12.671875, 14.0625, 15.453125};
+
+    EXPECT_TRUE(input_tensor->CopyDataToTensor(in_data.data()));
+
+    auto op = graph->CreateOperation<tim::vx::ops::Resize>(
+        tim::vx::ResizeType::CUBIC, 0, false, true, 3, 3);
+    (*op).BindInputs({input_tensor}).BindOutputs({output_tensor});
+
+    EXPECT_TRUE(graph->Compile());
+    EXPECT_TRUE(graph->Run());
+
+    std::vector<float> output(golden.size());
+    EXPECT_TRUE(output_tensor->CopyDataFromTensor(output.data()));
+    EXPECT_TRUE(ArraysMatch(golden, output, 3e-3f));
+}

src/tim/vx/type_utils.cc

@@ -164,6 +164,8 @@ vsi_enum TranslateResizeType(ResizeType type) {
       return VSI_NN_INTERPOLATION_BILINEAR;
     case ResizeType::AREA:
       return VSI_NN_INTERPOLATION_AREA;
+    case ResizeType::CUBIC:
+      return VSI_NN_INTERPOLATION_CUBIC;
   }
   return VSI_NN_INTERPOLATION_NEAREST_NEIGHBOR;
 }