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Diffstat (limited to 'hacks/xlockmoreI.h')
| -rw-r--r-- | hacks/xlockmoreI.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/hacks/xlockmoreI.h b/hacks/xlockmoreI.h new file mode 100644 index 0000000..bf0adbf --- /dev/null +++ b/hacks/xlockmoreI.h @@ -0,0 +1,177 @@ +/* xlockmore.h --- xscreensaver compatibility layer for xlockmore modules. + * xscreensaver, Copyright (c) 1997-2017 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 + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + * + * See xlockmore.h and xlockmore.c. + */ + +#ifndef __XLOCKMORE_INTERNAL_H__ +#define __XLOCKMORE_INTERNAL_H__ + +#include <time.h> + +#include "screenhackI.h" +#include "erase.h" + + +typedef struct ModeInfo ModeInfo; + +#ifdef HAVE_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 */ + +# 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 */ +#endif /* HAVE_GL */ + + +#ifdef USE_GL + + 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 + + +extern void xlockmore_setup (struct xscreensaver_function_table *, void *); +extern void xlockmore_do_fps (Display *, Window, fps_state *, void *); +extern void xlockmore_mi_init (ModeInfo *, size_t, void **); +extern Bool xlockmore_no_events (ModeInfo *, XEvent *); + + +/* 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 writable_p; + unsigned long white; + unsigned long black; + XWindowAttributes xgwa; + GC gc; + long pause; + Bool fullrandom; + long cycles; + long batchcount; + long size; + Bool threed; + long threed_left_color; + long threed_right_color; + long threed_both_color; + long threed_none_color; + long threed_delta; + Bool wireframe_p; + Bool is_drawn; + eraser_state *eraser; + Bool needs_clear; + + /* 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; +#if !defined HAVE_JWXYZ && defined HAVE_GL + GLXContext glx_context; +#endif +}; + +typedef enum { t_String, t_Float, t_Int, t_Bool } xlockmore_type; + +typedef struct { + void *var; + char *name; + char *classname; + char *def; + xlockmore_type type; +} argtype; + +typedef struct { + char *opt; + char *desc; +} OptionStruct; + +typedef struct { + int numopts; + XrmOptionDescRec *opts; + int numvarsdesc; + argtype *vars; + OptionStruct *desc; +} ModeSpecOpt; + +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_release) (ModeInfo *); + void (*hack_free) (ModeInfo *); + Bool (*hack_handle_events) (ModeInfo *, XEvent *); + ModeSpecOpt *opts; + + void **state_array; + 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__ */ |