| 1 | /* xlockmore.h --- xscreensaver compatibility layer for xlockmore modules. |
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| 2 | * xscreensaver, Copyright (c) 1997-2002 Jamie Zawinski <jwz@jwz.org> |
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| 3 | * |
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
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| 5 | * documentation for any purpose is hereby granted without fee, provided that |
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| 6 | * the above copyright notice appear in all copies and that both that |
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| 7 | * copyright notice and this permission notice appear in supporting |
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| 8 | * documentation. No representations are made about the suitability of this |
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| 9 | * software for any purpose. It is provided "as is" without express or |
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| 10 | * implied warranty. |
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| 11 | * |
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| 12 | * See xlockmore.h and xlockmore.c. |
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| 13 | */ |
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| 14 | |
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| 15 | #ifndef __XLOCKMORE_INTERNAL_H__ |
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| 16 | #define __XLOCKMORE_INTERNAL_H__ |
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| 17 | |
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| 18 | #include "screenhack.h" |
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| 19 | |
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| 20 | #ifdef HAVE_XSHM_EXTENSION |
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| 21 | # include "xshm.h" |
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| 22 | #endif /* HAVE_XSHM_EXTENSION */ |
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| 23 | |
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| 24 | |
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| 25 | /* I'm told that the Sun version of OpenGL needs to have the constant |
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| 26 | SUN_OGL_NO_VERTEX_MACROS defined in order for morph3d to compile |
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| 27 | (the number of arguments to the glNormal3f macro changes...) |
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| 28 | Verified with gcc 2.7.2.2 and Sun cc 4.2 with OpenGL 1.1.1 dev 4 |
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| 29 | on Solaris 2.5.1. |
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| 30 | */ |
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| 31 | #ifndef HAVE_MESA_GL |
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| 32 | # if defined(__sun) && defined(__SVR4) /* Solaris */ |
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| 33 | # define SUN_OGL_NO_VERTEX_MACROS 1 |
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| 34 | # endif /* Solaris */ |
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| 35 | #endif /* !HAVE_MESA_GL */ |
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| 36 | |
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| 37 | |
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| 38 | /* Compatibility with the xlockmore RNG API |
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| 39 | (note that the xlockmore hacks never expect negative numbers.) |
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| 40 | */ |
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| 41 | #define LRAND() ((long) (random() & 0x7fffffff)) |
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| 42 | #define NRAND(n) ((int) (LRAND() % (n))) |
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| 43 | #define MAXRAND (2147483648.0) /* unsigned 1<<31 as a float */ |
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| 44 | #define SRAND(n) /* already seeded by screenhack.c */ |
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| 45 | |
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| 46 | |
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| 47 | typedef struct ModeInfo { |
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| 48 | Display *dpy; |
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| 49 | Window window; |
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| 50 | Bool root_p; |
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| 51 | int npixels; |
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| 52 | unsigned long *pixels; |
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| 53 | XColor *colors; |
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| 54 | Bool writable_p; |
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| 55 | unsigned long white; |
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| 56 | unsigned long black; |
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| 57 | XWindowAttributes xgwa; |
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| 58 | GC gc; |
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| 59 | long pause; |
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| 60 | Bool fullrandom; |
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| 61 | long cycles; |
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| 62 | long batchcount; |
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| 63 | long size; |
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| 64 | Bool threed; |
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| 65 | long threed_left_color; |
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| 66 | long threed_right_color; |
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| 67 | long threed_both_color; |
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| 68 | long threed_none_color; |
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| 69 | long threed_delta; |
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| 70 | Bool wireframe_p; |
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| 71 | Bool is_drawn; |
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| 72 | |
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| 73 | Bool fps_p; |
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| 74 | unsigned long polygon_count; /* used only by FPS display */ |
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| 75 | |
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| 76 | #ifdef HAVE_XSHM_EXTENSION |
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| 77 | Bool use_shm; |
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| 78 | XShmSegmentInfo shm_info; |
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| 79 | #endif |
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| 80 | |
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| 81 | } ModeInfo; |
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| 82 | |
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| 83 | typedef enum { t_String, t_Float, t_Int, t_Bool } xlockmore_type; |
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| 84 | |
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| 85 | typedef struct { |
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| 86 | void *var; |
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| 87 | char *name; |
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| 88 | char *classname; |
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| 89 | char *def; |
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| 90 | xlockmore_type type; |
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| 91 | } argtype; |
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| 92 | |
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| 93 | typedef struct { |
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| 94 | char *opt; |
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| 95 | char *desc; |
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| 96 | } OptionStruct; |
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| 97 | |
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| 98 | typedef struct { |
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| 99 | int numopts; |
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| 100 | XrmOptionDescRec *opts; |
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| 101 | int numvarsdesc; |
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| 102 | argtype *vars; |
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| 103 | OptionStruct *desc; |
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| 104 | } ModeSpecOpt; |
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| 105 | |
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| 106 | extern void xlockmore_screenhack (Display *dpy, Window window, |
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| 107 | Bool want_writable_colors, |
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| 108 | Bool want_uniform_colors, |
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| 109 | Bool want_smooth_colors, |
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| 110 | Bool want_bright_colors, |
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| 111 | unsigned long event_mask, |
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| 112 | void (*hack_init) (ModeInfo *), |
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| 113 | void (*hack_draw) (ModeInfo *), |
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| 114 | void (*hack_reshape) (ModeInfo *, int, int), |
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| 115 | Bool (*hack_handle_events) (ModeInfo *, |
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| 116 | XEvent *), |
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| 117 | void (*hack_free) (ModeInfo *)); |
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| 118 | |
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| 119 | #endif /* __XLOCKMORE_INTERNAL_H__ */ |
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