COMPMID-424 Implemented reference implementation and validation tests (NEON and CL) for Warp Perspective

Changed the behaviour in NEWarpKernel for border mode replicate and constant to stick with the VX specs.
When the new coords are out of the valid region, the output will be computed using the values from the border.
In the validation tests the validate will be called with tolerance_value 1 and tolerance_number 0.2%, due to some float arithmetic related mismatches.

Change-Id: Id4f9d0ef87178f8f8fd38ee17fee0e6f4beb85cd
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80283
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/validation/Validation.h b/tests/validation/Validation.h
index 66bb2be2ca..43a90f378e 100644
--- a/tests/validation/Validation.h
+++ b/tests/validation/Validation.h
@@ -103,6 +103,18 @@ void validate(const IAccessor &tensor, const RawTensor &reference, float toleran
  */
 void validate(const IAccessor &tensor, const RawTensor &reference, const ValidRegion &valid_region, float tolerance_value = 0.f, float tolerance_number = 0.f, uint64_t wrap_range = 0);
 
+/** Validate tensors with valid mask.
+ *
+ * - Dimensionality has to be the same.
+ * - All values have to match.
+ *
+ * @note: wrap_range allows cases where reference tensor rounds up to the wrapping point, causing it to wrap around to
+ * zero while the test tensor stays at wrapping point to pass. This may permit true erroneous cases (difference between
+ * reference tensor and test tensor is multiple of wrap_range), but such errors would be detected by
+ * other test cases.
+ */
+void validate(const IAccessor &tensor, const RawTensor &reference, const RawTensor &valid_mask, float tolerance_value = 0.f, float tolerance_number = 0.f, uint64_t wrap_range = 0);
+
 /** Validate tensors against constant value.
  *
  * - All values have to match.