til: add til_module_t.flags and TIL_MODULE_OVERLAYABLE

For modules which are overlay-appropriate, they should indicate
it when initializing their respective til_module_t.  If they
intend to participate in automagic compositing as overlays
anyways.

1 files changed, 13 insertions, 10 deletions

diff --git a/src/til.h b/src/til.h
index 42cbcf2..8b733f5 100644
--- a/src/til.h
+++ b/src/til.h
@@ -12,17 +12,20 @@ typedef struct til_settings_t settings;
 typedef struct til_setting_desc_t til_setting_desc_t;
 typedef struct til_knob_t til_knob_t;
 
+#define TIL_MODULE_OVERLAYABLE	1u
+
 typedef struct til_module_t {
-	void *	(*create_context)(unsigned ticks, unsigned n_cpus, til_setup_t *setup);
-	void	(*destroy_context)(void *context);
-	void	(*prepare_frame)(void *context, unsigned ticks, unsigned n_cpus, til_fb_fragment_t *fragment, til_fragmenter_t *res_fragmenter);
-	void	(*render_fragment)(void *context, unsigned ticks, unsigned cpu, til_fb_fragment_t *fragment);
-	void	(*finish_frame)(void *context, unsigned ticks, til_fb_fragment_t *fragment);
-	int	(*setup)(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup);
-	size_t	(*knobs)(void *context, til_knob_t **res_knobs);
-	char	*name;
-	char	*description;
-	char	*author;
+	void *		(*create_context)(unsigned ticks, unsigned n_cpus, til_setup_t *setup);
+	void		(*destroy_context)(void *context);
+	void		(*prepare_frame)(void *context, unsigned ticks, unsigned n_cpus, til_fb_fragment_t *fragment, til_fragmenter_t *res_fragmenter);
+	void		(*render_fragment)(void *context, unsigned ticks, unsigned cpu, til_fb_fragment_t *fragment);
+	void		(*finish_frame)(void *context, unsigned ticks, til_fb_fragment_t *fragment);
+	int		(*setup)(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup);
+	size_t		(*knobs)(void *context, til_knob_t **res_knobs);
+	char		*name;
+	char		*description;
+	char		*author;
+	unsigned	flags;
 } til_module_t;
 
 int til_init(void);