MLBEDSW-4925: Fix resize bilinear attribute check

Previously we did not check if half_pixel_centers
was set. Since we do not support it, these cases
should not run on the NPU.

Signed-off-by: erik.andersson@arm.com <erik.andersson@arm.com>
Change-Id: I9d2675f760424d5cfb67e5d581dd1861ad165b85

2 files changed, 16 insertions, 0 deletions

diff --git a/ethosu/vela/test/test_tflite_supported_operators.py b/ethosu/vela/test/test_tflite_supported_operators.py
index af5dc17..e3db791 100644
--- a/ethosu/vela/test/test_tflite_supported_operators.py
+++ b/ethosu/vela/test/test_tflite_supported_operators.py
@@ -327,6 +327,13 @@ def test_constraint_resize():
     assert not support.is_operator_supported(op)
 
 
+def test_constraint_bilinear_resize_attrs():
+    op = testutil.create_op_with_quant_tensors(Op.ResizeBilinear, [1, 1, 1, 8], [1, 8, 8, 8])
+    assert support.is_operator_supported(op)
+    op.attrs["half_pixel_centers"] = True
+    assert not support.is_operator_supported(op)
+
+
 def test_constraint_concat_pass():
     # A working concat
     op = testutil.create_op_with_quant_tensors(Op.Concat, [1, 1, 1, 4], [1, 1, 1, 8])
diff --git a/ethosu/vela/tflite_supported_operators.py b/ethosu/vela/tflite_supported_operators.py
index d590054..a3c0dd8 100644
--- a/ethosu/vela/tflite_supported_operators.py
+++ b/ethosu/vela/tflite_supported_operators.py
@@ -162,6 +162,7 @@ class TFLiteSupportedOperators:
         # Resizing specific checks:
         for op_type in TFLiteSupportedOperators.resizing_ops:
             self.specific_constraints[op_type].append(TFLiteSupportedOperators.constraint_resize)
+            self.specific_constraints[op_type].append(TFLiteSupportedOperators.constraint_bilinear_resize_attrs)
 
         # Vector Product specific checks:
         for op_type in TFLiteSupportedOperators.fc_vector_products:
@@ -530,6 +531,14 @@ class TFLiteSupportedOperators:
         return valid, f"Op has ifm_shape={ifm_shape}, ofm_shape={ofm_shape} and align_corners={align_corners}"
 
     @staticmethod
+    def constraint_bilinear_resize_attrs(op):
+        "half_pixel_centers are not supported"
+        valid = True
+        if op.attrs.get("half_pixel_centers"):
+            valid = False
+        return valid, f"Op has half_pixel_centers set to {not valid}."
+
+    @staticmethod
     def constraint_pad_shape(op):
         "The padding tensor must have the shape [3,2] or [4,2]"
         valid = op.inputs[1].shape in ([3, 2], [4, 2])