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st/oxr: Add some oxr_subaction_paths helpers.

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Ryan Pavlik 2020-07-23 17:38:43 -05:00 committed by Rylie Pavlik
parent 4ade7e8e55
commit 2fbab42772
2 changed files with 51 additions and 0 deletions
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33
src/xrt/state_trackers/oxr/oxr_input.c
View file

@ -77,6 +77,39 @@ oxr_action_bind_io(struct oxr_logger *log,
struct oxr_interaction_profile *profile,
enum oxr_subaction_path subaction_path);
/*!
* Helper function to combine @ref oxr_subaction_paths structs, but skipping
* @ref oxr_subaction_paths::any.
*
* If a real (non-"any") subaction path in @p new_subaction_paths is true, it will be
* true in @p subaction_paths.
*
* @private @memberof oxr_subaction_paths
*/
static inline void
oxr_subaction_paths_accumulate_except_any(struct oxr_subaction_paths *subaction_paths,
const struct oxr_subaction_paths *new_subaction_paths)
{
#define ACCUMULATE_SUBACTION_PATHS(X) subaction_paths->X |= new_subaction_paths->X;
OXR_FOR_EACH_SUBACTION_PATH(ACCUMULATE_SUBACTION_PATHS)
#undef ACCUMULATE_SUBACTION_PATHS
}
/*!
* Helper function to combine @ref oxr_subaction_paths structs.
*
* If a subaction path in @p new_subaction_paths is true, it will be true in @p subaction_paths.
*
* @private @memberof oxr_subaction_paths
*/
static inline void
oxr_subaction_paths_accumulate(struct oxr_subaction_paths *subaction_paths,
const struct oxr_subaction_paths *new_subaction_paths)
{
subaction_paths->any |= new_subaction_paths->any;
oxr_subaction_paths_accumulate_except_any(subaction_paths, new_subaction_paths);
}
/*
*
* Action attachment functions

18
src/xrt/state_trackers/oxr/oxr_objects.h
View file

@ -1914,6 +1914,24 @@ struct oxr_subaction_paths
#undef OXR_SUBPATH_MEMBER
};
/*!
* Helper function to determine if the set of paths in @p a is a subset of the
* paths in @p b.
*
* @public @memberof oxr_subaction_paths
*/
static inline bool
oxr_subaction_paths_is_subset_of(const struct oxr_subaction_paths *a, const struct oxr_subaction_paths *b)
{
#define OXR_CHECK_SUBACTION_PATHS(X) \
if (a->X && !b->X) { \
return false; \
}
OXR_FOR_EACH_SUBACTION_PATH(OXR_CHECK_SUBACTION_PATHS)
#undef OXR_CHECK_SUBACTION_PATHS
return true;
}
/*!
* The data associated with the attachment of an Action Set (@ref
* oxr_action_set) to as Session (@ref oxr_session).