mutter/clutter/cogl/clutter-stage-cogl.h
Emmanuele Bassi b0300a6247 cogl: Pack ClutterStageCogl a bit more
We should rearrange the fields a bit so they get packed without holes,
and aligned with cacheline boundaries.
2015-07-08 11:15:54 +01:00

78 lines
2.3 KiB
C

#ifndef __CLUTTER_STAGE_COGL_H__
#define __CLUTTER_STAGE_COGL_H__
#include <cairo.h>
#include <clutter/clutter-backend.h>
#include <clutter/clutter-stage.h>
#ifdef COGL_HAS_X11_SUPPORT
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#endif
G_BEGIN_DECLS
#define CLUTTER_TYPE_STAGE_COGL (_clutter_stage_cogl_get_type ())
#define CLUTTER_STAGE_COGL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_STAGE_COGL, ClutterStageCogl))
#define CLUTTER_IS_STAGE_COGL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_STAGE_COGL))
#define CLUTTER_STAGE_COGL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_STAGE_COGL, ClutterStageCoglClass))
#define CLUTTER_IS_STAGE_COGL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_STAGE_COGL))
#define CLUTTER_STAGE_COGL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_STAGE_COGL, ClutterStageCoglClass))
typedef struct _ClutterStageCogl ClutterStageCogl;
typedef struct _ClutterStageCoglClass ClutterStageCoglClass;
struct _ClutterStageCogl
{
GObject parent_instance;
/* the stage wrapper */
ClutterStage *wrapper;
/* back pointer to the backend */
ClutterBackend *backend;
CoglOnscreen *onscreen;
float refresh_rate;
int pending_swaps;
CoglFrameClosure *frame_closure;
gint64 last_presentation_time;
gint64 update_time;
/* We only enable clipped redraws after 2 frames, since we've seen
* a lot of drivers can struggle to get going and may output some
* junk frames to start with. */
unsigned int frame_count;
cairo_rectangle_int_t bounding_redraw_clip;
/* Stores a list of previous damaged areas */
#define DAMAGE_HISTORY_MAX 16
#define DAMAGE_HISTORY(x) ((x) & (DAMAGE_HISTORY_MAX - 1))
cairo_rectangle_int_t damage_history[DAMAGE_HISTORY_MAX];
unsigned int damage_index;
guint initialized_redraw_clip : 1;
/* TRUE if the current paint cycle has a clipped redraw. In that
case bounding_redraw_clip specifies the the bounds. */
guint using_clipped_redraw : 1;
guint dirty_backbuffer : 1;
};
struct _ClutterStageCoglClass
{
GObjectClass parent_class;
};
GType _clutter_stage_cogl_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif /* __CLUTTER_STAGE_COGL_H__ */