From de53178b26d3d2580a99faaf858731f3c9e09b2f Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Wed, 5 Aug 2020 11:20:25 +0200
Subject: Fix T78777: Cycles motion blur test differences between AVX/AVX2

This appears to be slight precision differences in the Embree implementation,
simply increase the diff threshold a little for these motion blur tests.
---
 tests/python/cycles_render_tests.py   |  5 +++++
 tests/python/modules/render_report.py | 11 +++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'tests')

diff --git a/tests/python/cycles_render_tests.py b/tests/python/cycles_render_tests.py
index 79ba11fdd44..b2f0be2895f 100644
--- a/tests/python/cycles_render_tests.py
+++ b/tests/python/cycles_render_tests.py
@@ -63,6 +63,11 @@ def main():
     report.set_pixelated(True)
     report.set_reference_dir("cycles_renders")
     report.set_compare_engines('cycles', 'eevee')
+
+    # Increase threshold for motion blur, see T78777.
+    if test_dir == 'motion_blur':
+        report.set_fail_threshold(0.032)
+
     ok = report.run(test_dir, blender, get_arguments, batch=True)
 
     sys.exit(not ok)
diff --git a/tests/python/modules/render_report.py b/tests/python/modules/render_report.py
index 0cce1791a88..506c1a1518a 100755
--- a/tests/python/modules/render_report.py
+++ b/tests/python/modules/render_report.py
@@ -104,6 +104,8 @@ class Report:
         'reference_dir',
         'idiff',
         'pixelated',
+        'fail_threshold',
+        'fail_percent',
         'verbose',
         'update',
         'failed_tests',
@@ -118,6 +120,8 @@ class Report:
         self.reference_dir = 'reference_renders'
         self.idiff = idiff
         self.compare_engines = None
+        self.fail_threshold = 0.016
+        self.fail_percent = 1
 
         self.pixelated = False
         self.verbose = os.environ.get("BLENDER_VERBOSE") is not None
@@ -136,6 +140,9 @@ class Report:
     def set_pixelated(self, pixelated):
         self.pixelated = pixelated
 
+    def set_fail_threshold(self, threshold):
+        self.fail_threshold = threshold
+
     def set_reference_dir(self, reference_dir):
         self.reference_dir = reference_dir
 
@@ -366,8 +373,8 @@ class Report:
             # Diff images test with threshold.
             command = (
                 self.idiff,
-                "-fail", "0.016",
-                "-failpercent", "1",
+                "-fail", str(self.fail_threshold),
+                "-failpercent", str(self.fail_percent),
                 ref_img,
                 tmp_filepath,
             )
-- 
cgit v1.2.3