2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
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.
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.
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
22 #include "SDL_config.h"
24 #ifndef _SDL_gemvideo_h
25 #define _SDL_gemvideo_h
27 #include "SDL_mutex.h"
28 #include "../SDL_sysvideo.h"
30 /* The implementation dependent data for the window manager cursor */
35 /* Hidden "this" pointer for the video functions */
36 #define _THIS SDL_VideoDevice *this
38 /* Functions prototypes */
39 void GEM_wind_redraw(_THIS, int winhandle, short *inside);
41 /* Private display data */
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 */
48 #define SDL_NUMMODES 1 /* Fullscreen */
50 struct SDL_PrivateVideoData {
51 Uint16 buf2scr_ops; /* Operations to get buffer to screen */
52 void *buffer1; /* Our shadow buffers */
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 */
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]);
74 short desk_x, desk_y; /* Desktop properties */
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 */
92 SDL_bool fullscreen; /* Fullscreen or windowed mode ? */
93 SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; /* Mode list */
94 SDL_Surface *icon; /* The icon */
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)
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)
142 #define GEM_buffer1 (this->hidden->buffer1)
143 #define GEM_buffer2 (this->hidden->buffer2)
144 #define GEM_bufops (this->hidden->buf2scr_ops)
146 #define VDI_FBMASK(amask, rmask, gmask, bmask) \
147 VDI_alphamask = (amask); \
148 VDI_redmask = (rmask); \
149 VDI_greenmask = (gmask); \
150 VDI_bluemask = (bmask);
153 Possible buffer to screen operations:
155 TC: 8 (chunky),15,16,24,32 bpp
157 FB: screen framebuffer address available
164 - C2P from buffer 1 to screen
168 - vro_cpyfm() from buffer 1 to screen
171 - C2P from buffer 1 to buffer 2
172 - vro_cpyfm() from buffer 2 to screen
176 - vro_cpyfm() from buffer 1 to screen
179 - C2P from buffer 1 to buffer 2
180 - vro_cpyfm() from buffer 2 to screen
184 - vro_cpyfm() from buffer 1 to screen
187 - C2P from buffer 1 to buffer 2
188 - vro_cpyfm() from buffer 2 to screen
191 #endif /* _SDL_gemvideo_h */