/* xlockmore.h --- xscreensaver compatibility layer for xlockmore modules.
- * xscreensaver, Copyright (c) 1997, 1998 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1997-2014 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
#ifndef __XLOCKMORE_INTERNAL_H__
#define __XLOCKMORE_INTERNAL_H__
-#include "screenhack.h"
+#include <time.h>
-#ifdef HAVE_XSHM_EXTENSION
-# include "xshm.h"
-#endif /* HAVE_XSHM_EXTENSION */
+#include "screenhackI.h"
+#include "xshm.h"
+typedef struct ModeInfo ModeInfo;
+
+#ifdef USE_GL
+
/* I'm told that the Sun version of OpenGL needs to have the constant
SUN_OGL_NO_VERTEX_MACROS defined in order for morph3d to compile
(the number of arguments to the glNormal3f macro changes...)
Verified with gcc 2.7.2.2 and Sun cc 4.2 with OpenGL 1.1.1 dev 4
on Solaris 2.5.1.
*/
-#ifndef HAVE_MESA_GL
-# if defined(__sun) && defined(__SVR4) /* Solaris */
-# define SUN_OGL_NO_VERTEX_MACROS 1
-# endif /* Solaris */
-#endif /* !HAVE_MESA_GL */
+# ifndef HAVE_MESA_GL
+# if defined(__sun) && defined(__SVR4) /* Solaris */
+# define SUN_OGL_NO_VERTEX_MACROS 1
+# endif /* Solaris */
+# endif /* !HAVE_MESA_GL */
+# ifdef HAVE_COCOA
+# ifndef USE_IPHONE
+# include <OpenGL/gl.h>
+# include <OpenGL/glu.h>
+# endif
+# elif defined(HAVE_ANDROID)
+# include <GLES/gl.h>
+# else
+# include <GL/gl.h>
+# include <GL/glu.h>
+# include <GL/glx.h>
+# endif
+
+# ifdef HAVE_JWZGLES
+# include "jwzgles.h"
+# endif /* HAVE_JWZGLES */
+
+
+ extern GLXContext *init_GL (ModeInfo *);
+ extern void xlockmore_reset_gl_state(void);
+ extern void clear_gl_error (void);
+ extern void check_gl_error (const char *type);
+
+ extern Visual *xlockmore_pick_gl_visual (Screen *);
+ extern Bool xlockmore_validate_gl_visual (Screen *, const char *, Visual *);
+
+#endif /* !USE_GL */
+
+/* These are only used in GL mode, but I don't understand why XCode
+ isn't seeing the prototypes for them in glx/fps-gl.c... */
+extern void do_fps (ModeInfo *);
+extern void xlockmore_gl_compute_fps (Display *, Window, fps_state *, void *);
+extern void xlockmore_gl_draw_fps (ModeInfo *);
+# define do_fps xlockmore_gl_draw_fps
-/* Compatibility with the xlockmore RNG API
- (note that the xlockmore hacks never expect negative numbers.)
- */
-#define LRAND() ((long) (random() & 0x7fffffff))
-#define NRAND(n) ((int) (LRAND() % (n)))
-#define MAXRAND (2147483648.0) /* unsigned 1<<31 as a float */
-#define SRAND(n) /* already seeded by screenhack.c */
+extern void xlockmore_setup (struct xscreensaver_function_table *, void *);
+extern void xlockmore_do_fps (Display *, Window, fps_state *, void *);
-typedef struct ModeInfo {
+
+extern void xlockmore_mi_init (ModeInfo *, size_t, void **,
+ void (*) (ModeInfo *));
+
+
+/* The xlockmore RNG API is implemented in utils/yarandom.h. */
+
+
+struct ModeInfo {
+ struct xlockmore_function_table *xlmft;
Display *dpy;
Window window;
Bool root_p;
+ int screen_number;
int npixels;
unsigned long *pixels;
XColor *colors;
Bool wireframe_p;
Bool is_drawn;
-#ifdef HAVE_XSHM_EXTENSION
- Bool use_shm;
- XShmSegmentInfo shm_info;
-#endif
-
-} ModeInfo;
+ /* Used only by OpenGL programs, since FPS is tricky there. */
+ fps_state *fpst;
+ Bool fps_p;
+ unsigned long polygon_count; /* These values are for -fps display only */
+ double recursion_depth;
+};
typedef enum { t_String, t_Float, t_Int, t_Bool } xlockmore_type;
OptionStruct *desc;
} ModeSpecOpt;
-extern void xlockmore_screenhack (Display *dpy, Window window,
- Bool want_writable_colors,
- Bool want_uniform_colors,
- Bool want_smooth_colors,
- Bool want_bright_colors,
- void (*hack_init) (ModeInfo *),
- void (*hack_draw) (ModeInfo *),
- void (*hack_free) (ModeInfo *));
+struct xlockmore_function_table {
+ const char *progclass;
+ const char *defaults;
+ Bool want_writable_colors;
+ enum { color_scheme_default, color_scheme_uniform,
+ color_scheme_smooth, color_scheme_bright }
+ desired_color_scheme;
+ void (*hack_init) (ModeInfo *);
+ void (*hack_draw) (ModeInfo *);
+ void (*hack_reshape) (ModeInfo *, int, int);
+ void (*hack_refresh) (ModeInfo *);
+ void (*hack_release) (ModeInfo *);
+ Bool (*hack_handle_events) (ModeInfo *, XEvent *);
+ ModeSpecOpt *opts;
+
+ size_t state_size;
+ void **state_array;
+ void (*hack_free_state) (ModeInfo *);
+ unsigned long live_displays, got_init;
+};
+
+#ifdef HAVE_JWXYZ
+# define XLOCKMORE_NUM_SCREENS \
+ (sizeof(((struct xlockmore_function_table *)0)->live_displays) * 8)
+#else
+# define XLOCKMORE_NUM_SCREENS 2 /* For DEBUG_PAIR. */
+#endif
#endif /* __XLOCKMORE_INTERNAL_H__ */