This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_gemvideo.h
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 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
11
12
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
20
21
Sam Lantinga
slouken@libsdl.org
*/
22
#include "SDL_config.h"
23
24
25
26
27
#ifndef _SDL_gemvideo_h
#define _SDL_gemvideo_h
#include "SDL_mutex.h"
28
#include "../SDL_sysvideo.h"
29
30
31
32
33
34
35
36
37
/* Hidden "this" pointer for the video functions */
#define _THIS SDL_VideoDevice *this
/* Functions prototypes */
void GEM_wind_redraw(_THIS, int winhandle, short *inside);
/* Private display data */
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
#define B2S_C2P_1TO2 (1<<0) /* C2P convert buffer 1 to buffer 2 */
#define B2S_C2P_1TOS (1<<1) /* C2P convert buffer 1 to screen */
#define B2S_VROCPYFM_1TOS (1<<2) /* vro_cpyfm() buffer 1 to screen */
#define B2S_VROCPYFM_2TOS (1<<3) /* vro_cpyfm() buffer 2 to screen */
#define SDL_NUMMODES 1 /* Fullscreen */
struct SDL_PrivateVideoData
{
Uint16 buf2scr_ops; /* Operations to get buffer to screen */
void *buffer1; /* Our shadow buffers */
void *buffer2;
/* VDI infos */
short vdi_handle; /* VDI handle */
short full_w, full_h; /* Fullscreen size */
short bpp; /* Colour depth */
short pixelsize; /* Bytes per pixel */
short old_numcolors; /* Number of colors in saved palette */
Uint16 pitch; /* Line length */
Uint16 format; /* Screen format */
void *screen; /* Screen address */
Uint32 red, green, blue, alpha; /* Screen components */
Uint32 screensize;
short blit_coords[8]; /* Coordinates for bitblt */
MFDB src_mfdb, dst_mfdb; /* VDI MFDB for bitblt */
Uint16 old_palette[256][3]; /* Saved current palette */
Uint16 cur_palette[256][3]; /* SDL application palette */
/* Function to set/restore palette */
void (*setpalette) (_THIS, Uint16 newpal[256][3]);
/* GEM infos */
short desk_x, desk_y; /* Desktop properties */
short desk_w, desk_h;
short win_handle; /* Our window handle */
int window_type; /* Window type */
const char *title_name; /* Window title */
const char *icon_name; /* Icon title */
short version; /* AES version */
short wfeatures; /* AES window features */
SDL_bool refresh_name; /* Change window title ? */
SDL_bool window_fulled; /* Window maximized ? */
SDL_bool mouse_relative; /* Report relative mouse movement */
SDL_bool locked; /* AES locked for fullscreen ? */
SDL_bool lock_redraw; /* Prevent redraw till buffers are setup */
short message[8]; /* To self-send an AES message */
void *menubar; /* Menu bar save buffer when going fullscreen */
SDL_bool use_dev_mouse; /* Use /dev/mouse ? */
SDL_bool fullscreen; /* Fullscreen or windowed mode ? */
SDL_Rect *SDL_modelist[SDL_NUMMODES + 1]; /* Mode list */
SDL_Surface *icon; /* The icon */
90
91
92
93
94
95
96
97
98
99
};
/* Hidden structure -> variables names */
#define VDI_handle (this->hidden->vdi_handle)
#define VDI_w (this->hidden->full_w)
#define VDI_h (this->hidden->full_h)
#define VDI_bpp (this->hidden->bpp)
#define VDI_pixelsize (this->hidden->pixelsize)
#define VDI_oldnumcolors (this->hidden->old_numcolors)
#define VDI_oldpalette (this->hidden->old_palette)
100
101
#define VDI_curpalette (this->hidden->cur_palette)
#define VDI_setpalette (this->hidden->setpalette)
102
103
104
105
106
107
108
109
110
111
112
#define VDI_pitch (this->hidden->pitch)
#define VDI_format (this->hidden->format)
#define VDI_screen (this->hidden->screen)
#define VDI_redmask (this->hidden->red)
#define VDI_greenmask (this->hidden->green)
#define VDI_bluemask (this->hidden->blue)
#define VDI_alphamask (this->hidden->alpha)
#define VDI_screensize (this->hidden->screensize)
#define VDI_src_mfdb (this->hidden->src_mfdb)
#define VDI_dst_mfdb (this->hidden->dst_mfdb)
#define VDI_blit_coords (this->hidden->blit_coords)
114
115
116
117
118
119
120
121
#define GEM_desk_x (this->hidden->desk_x)
#define GEM_desk_y (this->hidden->desk_y)
#define GEM_desk_w (this->hidden->desk_w)
#define GEM_desk_h (this->hidden->desk_h)
#define GEM_handle (this->hidden->win_handle)
#define GEM_win_type (this->hidden->window_type)
#define GEM_title_name (this->hidden->title_name)
#define GEM_icon_name (this->hidden->icon_name)
122
#define GEM_refresh_name (this->hidden->refresh_name)
123
124
125
126
127
#define GEM_version (this->hidden->version)
#define GEM_wfeatures (this->hidden->wfeatures)
#define GEM_win_fulled (this->hidden->window_fulled)
#define GEM_mouse_relative (this->hidden->mouse_relative)
#define GEM_locked (this->hidden->locked)
128
#define GEM_lock_redraw (this->hidden->lock_redraw)
129
#define GEM_message (this->hidden->message)
130
#define SDL_modelist (this->hidden->SDL_modelist)
131
#define GEM_icon (this->hidden->icon)
132
#define GEM_fullscreen (this->hidden->fullscreen)
133
#define GEM_menubar (this->hidden->menubar)
134
#define GEM_usedevmouse (this->hidden->use_dev_mouse)
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
#define GEM_buffer1 (this->hidden->buffer1)
#define GEM_buffer2 (this->hidden->buffer2)
#define GEM_bufops (this->hidden->buf2scr_ops)
#define VDI_FBMASK(amask, rmask, gmask, bmask) \
VDI_alphamask = (amask); \
VDI_redmask = (rmask); \
VDI_greenmask = (gmask); \
VDI_bluemask = (bmask);
/*
Possible buffer to screen operations:
TC: 8 (chunky),15,16,24,32 bpp
8I: 8 bpp planes
FB: screen framebuffer address available
FS: fullscreen
TC, FB, FS:
- draw to screen
8I, FB, FS:
- draw to buffer 1
- C2P from buffer 1 to screen
TC, !FB, FS:
- draw to buffer 1
- vro_cpyfm() from buffer 1 to screen
8I, !FB, FS:
- draw to buffer 1
- C2P from buffer 1 to buffer 2
- vro_cpyfm() from buffer 2 to screen
TC, FB, !FS:
- draw to buffer 1
- vro_cpyfm() from buffer 1 to screen
8I, FB, !FS:
- draw to buffer 1
- C2P from buffer 1 to buffer 2
- vro_cpyfm() from buffer 2 to screen
TC, !FB, !FS:
- draw to buffer 1
- vro_cpyfm() from buffer 1 to screen
8I, !FB, !FS:
- draw to buffer 1
- C2P from buffer 1 to buffer 2
- vro_cpyfm() from buffer 2 to screen
*/
184
185
#endif /* _SDL_gemvideo_h */
186
/* vi: set ts=4 sw=4 expandtab: */