e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | #ifndef _SDL_gemvideo_h |
25 | #define _SDL_gemvideo_h |
26 | |
27 | #include "SDL_mutex.h" |
28 | #include "../SDL_sysvideo.h" |
29 | |
30 | /* The implementation dependent data for the window manager cursor */ |
31 | struct WMcursor { |
32 | MFORM *mform_p; |
33 | }; |
34 | |
35 | /* Hidden "this" pointer for the video functions */ |
36 | #define _THIS SDL_VideoDevice *this |
37 | |
38 | /* Functions prototypes */ |
39 | void GEM_wind_redraw(_THIS, int winhandle, short *inside); |
40 | |
41 | /* Private display data */ |
42 | |
43 | #define B2S_C2P_1TO2 (1<<0) /* C2P convert buffer 1 to buffer 2 */ |
44 | #define B2S_C2P_1TOS (1<<1) /* C2P convert buffer 1 to screen */ |
45 | #define B2S_VROCPYFM_1TOS (1<<2) /* vro_cpyfm() buffer 1 to screen */ |
46 | #define B2S_VROCPYFM_2TOS (1<<3) /* vro_cpyfm() buffer 2 to screen */ |
47 | |
48 | #define SDL_NUMMODES 1 /* Fullscreen */ |
49 | |
50 | struct SDL_PrivateVideoData { |
51 | Uint16 buf2scr_ops; /* Operations to get buffer to screen */ |
52 | void *buffer1; /* Our shadow buffers */ |
53 | void *buffer2; |
54 | |
55 | /* VDI infos */ |
56 | short vdi_handle; /* VDI handle */ |
57 | short full_w, full_h; /* Fullscreen size */ |
58 | short bpp; /* Colour depth */ |
59 | short pixelsize; /* Bytes per pixel */ |
60 | short old_numcolors; /* Number of colors in saved palette */ |
61 | Uint16 pitch; /* Line length */ |
62 | Uint16 format; /* Screen format */ |
63 | void *screen; /* Screen address */ |
64 | Uint32 red, green, blue, alpha; /* Screen components */ |
65 | Uint32 screensize; |
66 | short blit_coords[8]; /* Coordinates for bitblt */ |
67 | MFDB src_mfdb, dst_mfdb; /* VDI MFDB for bitblt */ |
68 | Uint16 old_palette[256][3]; /* Saved current palette */ |
69 | Uint16 cur_palette[256][3]; /* SDL application palette */ |
70 | /* Function to set/restore palette */ |
71 | void (*setpalette)(_THIS, Uint16 newpal[256][3]); |
72 | |
73 | /* GEM infos */ |
74 | short desk_x, desk_y; /* Desktop properties */ |
75 | short desk_w, desk_h; |
76 | short win_handle; /* Our window handle */ |
77 | int window_type; /* Window type */ |
78 | const char *title_name; /* Window title */ |
79 | const char *icon_name; /* Icon title */ |
80 | short version; /* AES version */ |
81 | short wfeatures; /* AES window features */ |
82 | SDL_bool refresh_name; /* Change window title ? */ |
83 | SDL_bool window_fulled; /* Window maximized ? */ |
84 | SDL_bool mouse_relative; /* Report relative mouse movement */ |
85 | SDL_bool locked; /* AES locked for fullscreen ? */ |
86 | SDL_bool lock_redraw; /* Prevent redraw till buffers are setup */ |
87 | short message[8]; /* To self-send an AES message */ |
88 | void *menubar; /* Menu bar save buffer when going fullscreen */ |
89 | SDL_bool use_dev_mouse; /* Use /dev/mouse ? */ |
90 | WMcursor *cursor; /* To restore cursor when leaving/entering window */ |
91 | |
92 | SDL_bool fullscreen; /* Fullscreen or windowed mode ? */ |
93 | SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; /* Mode list */ |
94 | SDL_Surface *icon; /* The icon */ |
95 | }; |
96 | |
97 | /* Hidden structure -> variables names */ |
98 | #define VDI_handle (this->hidden->vdi_handle) |
99 | #define VDI_w (this->hidden->full_w) |
100 | #define VDI_h (this->hidden->full_h) |
101 | #define VDI_bpp (this->hidden->bpp) |
102 | #define VDI_pixelsize (this->hidden->pixelsize) |
103 | #define VDI_oldnumcolors (this->hidden->old_numcolors) |
104 | #define VDI_oldpalette (this->hidden->old_palette) |
105 | #define VDI_curpalette (this->hidden->cur_palette) |
106 | #define VDI_setpalette (this->hidden->setpalette) |
107 | #define VDI_pitch (this->hidden->pitch) |
108 | #define VDI_format (this->hidden->format) |
109 | #define VDI_screen (this->hidden->screen) |
110 | #define VDI_redmask (this->hidden->red) |
111 | #define VDI_greenmask (this->hidden->green) |
112 | #define VDI_bluemask (this->hidden->blue) |
113 | #define VDI_alphamask (this->hidden->alpha) |
114 | #define VDI_screensize (this->hidden->screensize) |
115 | #define VDI_src_mfdb (this->hidden->src_mfdb) |
116 | #define VDI_dst_mfdb (this->hidden->dst_mfdb) |
117 | #define VDI_blit_coords (this->hidden->blit_coords) |
118 | |
119 | #define GEM_desk_x (this->hidden->desk_x) |
120 | #define GEM_desk_y (this->hidden->desk_y) |
121 | #define GEM_desk_w (this->hidden->desk_w) |
122 | #define GEM_desk_h (this->hidden->desk_h) |
123 | #define GEM_handle (this->hidden->win_handle) |
124 | #define GEM_win_type (this->hidden->window_type) |
125 | #define GEM_title_name (this->hidden->title_name) |
126 | #define GEM_icon_name (this->hidden->icon_name) |
127 | #define GEM_refresh_name (this->hidden->refresh_name) |
128 | #define GEM_version (this->hidden->version) |
129 | #define GEM_wfeatures (this->hidden->wfeatures) |
130 | #define GEM_win_fulled (this->hidden->window_fulled) |
131 | #define GEM_mouse_relative (this->hidden->mouse_relative) |
132 | #define GEM_locked (this->hidden->locked) |
133 | #define GEM_lock_redraw (this->hidden->lock_redraw) |
134 | #define GEM_message (this->hidden->message) |
135 | #define SDL_modelist (this->hidden->SDL_modelist) |
136 | #define GEM_icon (this->hidden->icon) |
137 | #define GEM_fullscreen (this->hidden->fullscreen) |
138 | #define GEM_menubar (this->hidden->menubar) |
139 | #define GEM_usedevmouse (this->hidden->use_dev_mouse) |
140 | #define GEM_cursor (this->hidden->cursor) |
141 | |
142 | #define GEM_buffer1 (this->hidden->buffer1) |
143 | #define GEM_buffer2 (this->hidden->buffer2) |
144 | #define GEM_bufops (this->hidden->buf2scr_ops) |
145 | |
146 | #define VDI_FBMASK(amask, rmask, gmask, bmask) \ |
147 | VDI_alphamask = (amask); \ |
148 | VDI_redmask = (rmask); \ |
149 | VDI_greenmask = (gmask); \ |
150 | VDI_bluemask = (bmask); |
151 | |
152 | /* |
153 | Possible buffer to screen operations: |
154 | |
155 | TC: 8 (chunky),15,16,24,32 bpp |
156 | 8I: 8 bpp planes |
157 | FB: screen framebuffer address available |
158 | FS: fullscreen |
159 | |
160 | TC, FB, FS: |
161 | - draw to screen |
162 | 8I, FB, FS: |
163 | - draw to buffer 1 |
164 | - C2P from buffer 1 to screen |
165 | |
166 | TC, !FB, FS: |
167 | - draw to buffer 1 |
168 | - vro_cpyfm() from buffer 1 to screen |
169 | 8I, !FB, FS: |
170 | - draw to buffer 1 |
171 | - C2P from buffer 1 to buffer 2 |
172 | - vro_cpyfm() from buffer 2 to screen |
173 | |
174 | TC, FB, !FS: |
175 | - draw to buffer 1 |
176 | - vro_cpyfm() from buffer 1 to screen |
177 | 8I, FB, !FS: |
178 | - draw to buffer 1 |
179 | - C2P from buffer 1 to buffer 2 |
180 | - vro_cpyfm() from buffer 2 to screen |
181 | |
182 | TC, !FB, !FS: |
183 | - draw to buffer 1 |
184 | - vro_cpyfm() from buffer 1 to screen |
185 | 8I, !FB, !FS: |
186 | - draw to buffer 1 |
187 | - C2P from buffer 1 to buffer 2 |
188 | - vro_cpyfm() from buffer 2 to screen |
189 | */ |
190 | |
191 | #endif /* _SDL_gemvideo_h */ |