commit 1cc81ac749dd4fd41c9fc2ed01f36df007cfe5ec
author Vincent Rabaud <vrabaud@google.com> Mon Feb 17 12:56:56 2025
committer Vincent Rabaud <vrabaud@google.com> Mon Feb 17 13:12:12 2025
tree 91d6acd4ce7e6c303d5df6892a7f690a63c292fc
parent ec5b22de5eeff5906ef319dbc71ff1521ae400d7

Make sure pre-multiplication is right in test_pessimization

Change-Id: Id7f90be7f6568b8e14efd092154609372ba496aa
Reviewed-on: https://chromium-review.googlesource.com/c/codecs/libwebp2/+/6276825
Reviewed-by: Yannis Guyon <yguyon@google.com>
Tested-by: WebM Builds <builds@webmproject.org>

tests/test_pessimization.cc

diff --git a/tests/test_pessimization.cc b/tests/test_pessimization.cc
index 8bff2f8..1cf2ff0 100644
--- a/tests/test_pessimization.cc
+++ b/tests/test_pessimization.cc
@@ -318,6 +318,8 @@
     status = LossyDecode(features, config, &tiles_layout, &dec, &tile);
   } else {
     assert(gparams.type_ == GlobalParams::GP_LOSSLESS);
+    WP2_CHECK_STATUS(tile.rgb_output.SetFormat(
+        features.is_premultiplied ? WP2_Argb_32 : WP2_ARGB_32));
     WP2_CHECK_STATUS(tile.rgb_output.Resize(width, height));
     status = LosslessDecode(features, config, gparams, &dec, &tile);
   }