Add function to format clip results using a gather operation

If an index in the format is -1 put a default value of 0 into the
formatted results. This will allow clips to not have to provide every
channel used anywhere by the blend tree.

Change-Id: I9e18d0840e75a959ef680cbd54259a74c9331fa8
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/animation/backend/animationutils_p.h b/src/animation/backend/animationutils_p.h
index da85451f8..705e37c34 100644
--- a/src/animation/backend/animationutils_p.h
+++ b/src/animation/backend/animationutils_p.h
@@ -173,6 +173,10 @@ QVector<Qt3DCore::QNodeId> gatherValueNodesToEvaluate(Handler *handler,
                                                       Qt3DCore::QNodeId blendTreeRootId);
 
 Q_AUTOTEST_EXPORT
+ClipResults formatClipResults(const ClipResults &rawClipResults,
+                              const ComponentIndices &format);
+
+Q_AUTOTEST_EXPORT
 ClipResults evaluateBlendTree(Handler *handler,
                               BlendedClipAnimator *animator,
                               Qt3DCore::QNodeId blendNodeId);