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comparison src/video/xbios/SDL_xbios_sb3.c @ 1895:c121d94672cb

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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents d910939febfa
children 0e751c1f83f5
comparison
equal deleted inserted replaced
1894:c69cee13dd76 1895:c121d94672cb
33 #include "SDL_xbios.h" 33 #include "SDL_xbios.h"
34 #include "SDL_xbios_sb3.h" 34 #include "SDL_xbios_sb3.h"
35 35
36 /*--- Defines ---*/ 36 /*--- Defines ---*/
37 37
38 const int SDL_XBIOS_scpn_planes_device[]={ 38 const int SDL_XBIOS_scpn_planes_device[] = {
39 SCPN_DEV_1BPP, 39 SCPN_DEV_1BPP,
40 SCPN_DEV_4BPP, 40 SCPN_DEV_4BPP,
41 SCPN_DEV_8BPP, 41 SCPN_DEV_8BPP,
42 SCPN_DEV_16BPP, 42 SCPN_DEV_16BPP,
43 SCPN_DEV_2BPP, 43 SCPN_DEV_2BPP,
44 SCPN_DEV_4BPP, 44 SCPN_DEV_4BPP,
45 SCPN_DEV_1BPP 45 SCPN_DEV_1BPP
46 }; 46 };
47 47
48 /*--- Functions ---*/ 48 /*--- Functions ---*/
49 49
50 int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn) 50 int
51 SDL_XBIOS_SB3Usable(scpn_cookie_t * cookie_scpn)
51 { 52 {
52 scpn_screeninfo_t *scrinfo; 53 scpn_screeninfo_t *scrinfo;
53 int bpp; 54 int bpp;
54 55
55 /* Check if current SB3 mode is usable, i.e. 8 or 16bpp */ 56 /* Check if current SB3 mode is usable, i.e. 8 or 16bpp */
56 scrinfo = cookie_scpn->screen_info; 57 scrinfo = cookie_scpn->screen_info;
57 bpp = 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]); 58 bpp = 1 << (SDL_XBIOS_scpn_planes_device[scrinfo->device]);
58 59
59 if ((bpp==8) || (bpp==16)) { 60 if ((bpp == 8) || (bpp == 16)) {
60 return 1; 61 return 1;
61 } 62 }
62 63
63 return 0; 64 return 0;
64 } 65 }
65 66
66 void SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t *cookie_scpn) 67 void
68 SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t * cookie_scpn)
67 { 69 {
68 scpn_screeninfo_t *scrinfo; 70 scpn_screeninfo_t *scrinfo;
69 71
70 /* SB3 prevent changing video modes, we can only use current one */ 72 /* SB3 prevent changing video modes, we can only use current one */
71 if (XBIOS_modelist) { 73 if (XBIOS_modelist) {
72 SDL_free(XBIOS_modelist); 74 SDL_free(XBIOS_modelist);
73 XBIOS_nummodes = 0; 75 XBIOS_nummodes = 0;
74 XBIOS_modelist = NULL; 76 XBIOS_modelist = NULL;
75 } 77 }
76 78
77 scrinfo = cookie_scpn->screen_info; 79 scrinfo = cookie_scpn->screen_info;
78 scrinfo->h_pos = scrinfo->v_pos = 0; 80 scrinfo->h_pos = scrinfo->v_pos = 0;
79 81
80 SDL_XBIOS_AddMode(this, 82 SDL_XBIOS_AddMode(this,
81 -1, 83 -1,
82 scrinfo->virtual_width, scrinfo->virtual_height, 84 scrinfo->virtual_width, scrinfo->virtual_height,
83 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]), 85 1 << (SDL_XBIOS_scpn_planes_device[scrinfo->device]),
84 SDL_FALSE 86 SDL_FALSE);
85 );
86 } 87 }
88
89 /* vi: set ts=4 sw=4 expandtab: */