#ifndef __CLUTTER_DEBUG_H__
#define __CLUTTER_DEBUG_H__

#include <glib.h>
#include "clutter-main.h"
#include "clutter-profile.h"

G_BEGIN_DECLS

typedef enum {
  CLUTTER_DEBUG_MISC                = 1 << 0,
  CLUTTER_DEBUG_ACTOR               = 1 << 1,
  CLUTTER_DEBUG_TEXTURE             = 1 << 2,
  CLUTTER_DEBUG_EVENT               = 1 << 3,
  CLUTTER_DEBUG_PAINT               = 1 << 4,
  CLUTTER_DEBUG_GL                  = 1 << 5,
  CLUTTER_DEBUG_ALPHA               = 1 << 6,
  CLUTTER_DEBUG_BEHAVIOUR           = 1 << 7,
  CLUTTER_DEBUG_PANGO               = 1 << 8,
  CLUTTER_DEBUG_BACKEND             = 1 << 9,
  CLUTTER_DEBUG_SCHEDULER           = 1 << 10,
  CLUTTER_DEBUG_SCRIPT              = 1 << 11,
  CLUTTER_DEBUG_SHADER              = 1 << 12,
  CLUTTER_DEBUG_MULTISTAGE          = 1 << 13,
  CLUTTER_DEBUG_ANIMATION           = 1 << 14,
  CLUTTER_DEBUG_LAYOUT              = 1 << 15,
  CLUTTER_DEBUG_PICK                = 1 << 16,
  CLUTTER_DEBUG_EVENTLOOP           = 1 << 17
} ClutterDebugFlag;

typedef enum {
  CLUTTER_DEBUG_NOP_PICKING         = 1 << 0,
  CLUTTER_DEBUG_DUMP_PICK_BUFFERS   = 1 << 1
} ClutterPickDebugFlag;

typedef enum {
  CLUTTER_DEBUG_DISABLE_SWAP_EVENTS     = 1 << 0,
  CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS = 1 << 1,
  CLUTTER_DEBUG_REDRAWS                 = 1 << 2,
  CLUTTER_DEBUG_PAINT_VOLUMES           = 1 << 3,
  CLUTTER_DEBUG_DISABLE_CULLING         = 1 << 4
} ClutterDrawDebugFlag;

#ifdef CLUTTER_ENABLE_DEBUG

#define CLUTTER_HAS_DEBUG(type)         ((clutter_debug_flags & CLUTTER_DEBUG_##type) != FALSE)

#ifdef __GNUC__

/* Try the GCC extension for valists in macros */
#define CLUTTER_NOTE(type,x,a...)                     G_STMT_START { \
        if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type)))                   \
          { _clutter_profile_trace_message ("[" #type "] "           \
                                            G_STRLOC ": " x, ##a); } \
                                                      } G_STMT_END

#define CLUTTER_TIMESTAMP(type,x,a...)                G_STMT_START { \
        if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type)))                   \
          { g_message ("[" #type "]" " %li:"  G_STRLOC ": "          \
                       x, clutter_get_timestamp(), ##a); }           \
                                                      } G_STMT_END
#else /* !__GNUC__ */
/* Try the C99 version; unfortunately, this does not allow us to pass
 * empty arguments to the macro, which means we have to
 * do an intemediate printf.
 */
#define CLUTTER_NOTE(type,...)                        G_STMT_START { \
        if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type)))                   \
          {                                                          \
            gchar * _fmt = g_strdup_printf (__VA_ARGS__);            \
            _clutter_profile_trace_message ("[" #type "] "           \
                                            G_STRLOC ": %s",_fmt);  \
            g_free (_fmt);                                           \
          }                                                          \
                                                      } G_STMT_END

#define CLUTTER_TIMESTAMP(type,...)                   G_STMT_START { \
        if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type)))                   \
          {                                                          \
            gchar * _fmt = g_strdup_printf (__VA_ARGS__);            \
            g_message ("[" #type "]" " %li:"  G_STRLOC ": %s",       \
                       clutter_get_timestamp(), _fmt);               \
            g_free (_fmt);                                           \
          }                                                          \
                                                      } G_STMT_END
#endif

#define CLUTTER_MARK()      CLUTTER_NOTE(MISC, "== mark ==")
#define CLUTTER_DBG(x) { a }

#define CLUTTER_GLERR()                         G_STMT_START {  \
        if (clutter_debug_flags & CLUTTER_DEBUG_GL) {           \
          GLenum _err = glGetError (); /* roundtrip */          \
          if (_err != GL_NO_ERROR)                              \
            g_warning (G_STRLOC ": GL Error %x", _err);         \
        }                                       } G_STMT_END


#else /* !CLUTTER_ENABLE_DEBUG */

#define CLUTTER_NOTE(type,...)         G_STMT_START { } G_STMT_END
#define CLUTTER_MARK()                 G_STMT_START { } G_STMT_END
#define CLUTTER_DBG(x)                 G_STMT_START { } G_STMT_END
#define CLUTTER_GLERR()                G_STMT_START { } G_STMT_END
#define CLUTTER_TIMESTAMP(type,...)    G_STMT_START { } G_STMT_END
#define CLUTTER_HAS_DEBUG(type)        FALSE

#endif /* CLUTTER_ENABLE_DEBUG */

extern guint clutter_debug_flags;
extern guint clutter_pick_debug_flags;
extern guint clutter_paint_debug_flags;

G_END_DECLS

#endif /* __CLUTTER_DEBUG_H__ */
