diff options
Diffstat (limited to 'clutter/clutter-private.h')
| -rw-r--r-- | clutter/clutter-private.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/clutter/clutter-private.h b/clutter/clutter-private.h index df17d6a00..9aa6b844e 100644 --- a/clutter/clutter-private.h +++ b/clutter/clutter-private.h @@ -265,6 +265,32 @@ typedef enum _ClutterCullResult CLUTTER_CULL_RESULT_PARTIAL } ClutterCullResult; +typedef struct _ClutterCamera +{ + /* Cameras are always maintained in a packed array associated with the stage + * and this is the index into that array. */ + int index; + + /* TODO: It should be possible to associate cameras with CoglOffscreen + * framebuffers. Currently cameras are only used for stereoscopic rendering + * and it's assumed that all cameras are associated with the stage's + * ClutterStageWindow. */ + + CoglMatrix projection; + CoglMatrix inverse_projection; + float viewport[4]; + CoglMatrix view; + + /* NB: This age is bumped when the viewport, view or projection change. + * + * For example clutter-actor.c can use this age to know if something cached + * in eye coordinates (which depends on a view transform) is still valid. + * + * NB: only do == or != comparisons with the age so wrapping should never be + * a problem. */ + int age; +} ClutterCamera; + G_END_DECLS #endif /* __CLUTTER_PRIVATE_H__ */ |