Mercurial > sdl-ios-xcode
annotate src/video/SDL_video.c @ 4355:9b464226e541 SDL-1.2
Fixed bug #855
Ludwig Nussel 2009-10-18 06:31:52 PDT
an mprotect call was added to fix bug 528. However that results in a buffer
that allows writing and code execution. Ie the no-execute security features of
modern operating systems are defeated this way. Two mprotect calls are needed.
One to make the buffer executable but not writeable when done and another one
to make the buffer writeable again if the content needs to be changed.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 18 Oct 2009 17:31:37 +0000 |
| parents | d62725f761a1 |
| children | fe15c4e8efe6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
13 Lesser General Public License for more details. |
| 0 | 14 |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1296
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
229
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
|
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1385
diff
changeset
|
22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* The high-level video driver subsystem */ | |
| 25 | |
| 26 #include "SDL.h" | |
| 27 #include "SDL_sysvideo.h" | |
| 28 #include "SDL_blit.h" | |
| 29 #include "SDL_pixels_c.h" | |
| 30 #include "SDL_cursor_c.h" | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
31 #include "../events/SDL_sysevents.h" |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
32 #include "../events/SDL_events_c.h" |
| 0 | 33 |
| 34 /* Available video drivers */ | |
| 35 static VideoBootStrap *bootstrap[] = { | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
36 #if SDL_VIDEO_DRIVER_QUARTZ |
|
1133
609c060fd2a2
The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails:
Ryan C. Gordon <icculus@icculus.org>
parents:
1076
diff
changeset
|
37 &QZ_bootstrap, |
|
609c060fd2a2
The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails:
Ryan C. Gordon <icculus@icculus.org>
parents:
1076
diff
changeset
|
38 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
39 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 40 &X11_bootstrap, |
| 41 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
42 #if SDL_VIDEO_DRIVER_DGA |
| 0 | 43 &DGA_bootstrap, |
| 44 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
45 #if SDL_VIDEO_DRIVER_NANOX |
|
30
57bf11a5efd7
Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
19
diff
changeset
|
46 &NX_bootstrap, |
|
57bf11a5efd7
Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
19
diff
changeset
|
47 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
48 #if SDL_VIDEO_DRIVER_IPOD |
|
1140
af8b0f9ac2f4
iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
1133
diff
changeset
|
49 &iPod_bootstrap, |
|
af8b0f9ac2f4
iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
1133
diff
changeset
|
50 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
51 #if SDL_VIDEO_DRIVER_QTOPIA |
| 567 | 52 &Qtopia_bootstrap, |
| 53 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
54 #if SDL_VIDEO_DRIVER_WSCONS |
| 1187 | 55 &WSCONS_bootstrap, |
| 56 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
57 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 58 &FBCON_bootstrap, |
| 59 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
60 #if SDL_VIDEO_DRIVER_DIRECTFB |
|
167
cb384ef627f6
Added support for DirectFB video on Linux (thanks Denis!)
Sam Lantinga <slouken@libsdl.org>
parents:
125
diff
changeset
|
61 &DirectFB_bootstrap, |
|
cb384ef627f6
Added support for DirectFB video on Linux (thanks Denis!)
Sam Lantinga <slouken@libsdl.org>
parents:
125
diff
changeset
|
62 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
63 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 64 &PS2GS_bootstrap, |
| 65 #endif | |
| 4165 | 66 #if SDL_VIDEO_DRIVER_PS3 |
| 67 &PS3_bootstrap, | |
| 68 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
69 #if SDL_VIDEO_DRIVER_GGI |
| 0 | 70 &GGI_bootstrap, |
| 71 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
72 #if SDL_VIDEO_DRIVER_VGL |
|
75
b0ae59d0f3ee
Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
58
diff
changeset
|
73 &VGL_bootstrap, |
|
b0ae59d0f3ee
Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
58
diff
changeset
|
74 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
75 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 76 &SVGALIB_bootstrap, |
| 77 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
78 #if SDL_VIDEO_DRIVER_GAPI |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
79 &GAPI_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
80 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
81 #if SDL_VIDEO_DRIVER_WINDIB |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
82 &WINDIB_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
83 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
84 #if SDL_VIDEO_DRIVER_DDRAW |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
85 &DIRECTX_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
86 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
87 #if SDL_VIDEO_DRIVER_BWINDOW |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
88 &BWINDOW_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
89 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
90 #if SDL_VIDEO_DRIVER_TOOLBOX |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
91 &TOOLBOX_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
92 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
93 #if SDL_VIDEO_DRIVER_DRAWSPROCKET |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
94 &DSp_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
95 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
96 #if SDL_VIDEO_DRIVER_PHOTON |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
97 &ph_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
98 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
99 #if SDL_VIDEO_DRIVER_EPOC |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
100 &EPOC_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
101 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
102 #if SDL_VIDEO_DRIVER_XBIOS |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
103 &XBIOS_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
104 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
105 #if SDL_VIDEO_DRIVER_GEM |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
106 &GEM_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
107 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
108 #if SDL_VIDEO_DRIVER_PICOGUI |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
109 &PG_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
110 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
111 #if SDL_VIDEO_DRIVER_DC |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
112 &DC_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
113 #endif |
|
3976
8582c6a5ca16
Added initial support for Nintendo DS, based on the work by Troy Davis (GPF)
Sam Lantinga <slouken@libsdl.org>
parents:
3888
diff
changeset
|
114 #if SDL_VIDEO_DRIVER_NDS |
|
8582c6a5ca16
Added initial support for Nintendo DS, based on the work by Troy Davis (GPF)
Sam Lantinga <slouken@libsdl.org>
parents:
3888
diff
changeset
|
115 &NDS_bootstrap, |
|
8582c6a5ca16
Added initial support for Nintendo DS, based on the work by Troy Davis (GPF)
Sam Lantinga <slouken@libsdl.org>
parents:
3888
diff
changeset
|
116 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
117 #if SDL_VIDEO_DRIVER_RISCOS |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
118 &RISCOS_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
119 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
120 #if SDL_VIDEO_DRIVER_OS2FS |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
121 &OS2FSLib_bootstrap, |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
122 #endif |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
123 #if SDL_VIDEO_DRIVER_AALIB |
|
610
95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
580
diff
changeset
|
124 &AALIB_bootstrap, |
| 0 | 125 #endif |
|
4295
d62725f761a1
Debian patch: 020_libcaca_new_api.diff
Sam Lantinga <slouken@libsdl.org>
parents:
4249
diff
changeset
|
126 #if SDL_VIDEO_DRIVER_CACA |
|
d62725f761a1
Debian patch: 020_libcaca_new_api.diff
Sam Lantinga <slouken@libsdl.org>
parents:
4249
diff
changeset
|
127 &CACA_bootstrap, |
|
d62725f761a1
Debian patch: 020_libcaca_new_api.diff
Sam Lantinga <slouken@libsdl.org>
parents:
4249
diff
changeset
|
128 #endif |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
129 #if SDL_VIDEO_DRIVER_DUMMY |
|
610
95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
580
diff
changeset
|
130 &DUMMY_bootstrap, |
|
95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
580
diff
changeset
|
131 #endif |
| 0 | 132 NULL |
| 133 }; | |
|
173
83018110dce8
Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
167
diff
changeset
|
134 |
| 0 | 135 SDL_VideoDevice *current_video = NULL; |
| 136 | |
| 137 /* Various local functions */ | |
| 138 int SDL_VideoInit(const char *driver_name, Uint32 flags); | |
| 139 void SDL_VideoQuit(void); | |
| 140 void SDL_GL_UpdateRectsLock(SDL_VideoDevice* this, int numrects, SDL_Rect* rects); | |
| 141 | |
| 142 static SDL_GrabMode SDL_WM_GrabInputOff(void); | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
143 #if SDL_VIDEO_OPENGL |
| 0 | 144 static int lock_count = 0; |
| 145 #endif | |
| 146 | |
| 147 | |
| 148 /* | |
| 149 * Initialize the video and event subsystems -- determine native pixel format | |
| 150 */ | |
| 151 int SDL_VideoInit (const char *driver_name, Uint32 flags) | |
| 152 { | |
| 153 SDL_VideoDevice *video; | |
| 154 int index; | |
| 155 int i; | |
| 156 SDL_PixelFormat vformat; | |
| 157 Uint32 video_flags; | |
| 158 | |
| 159 /* Toggle the event thread flags, based on OS requirements */ | |
| 160 #if defined(MUST_THREAD_EVENTS) | |
| 161 flags |= SDL_INIT_EVENTTHREAD; | |
| 162 #elif defined(CANT_THREAD_EVENTS) | |
| 163 if ( (flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD ) { | |
| 164 SDL_SetError("OS doesn't support threaded events"); | |
| 165 return(-1); | |
| 166 } | |
| 167 #endif | |
| 168 | |
| 169 /* Check to make sure we don't overwrite 'current_video' */ | |
| 170 if ( current_video != NULL ) { | |
| 171 SDL_VideoQuit(); | |
| 172 } | |
| 173 | |
| 174 /* Select the proper video driver */ | |
| 175 index = 0; | |
| 176 video = NULL; | |
| 177 if ( driver_name != NULL ) { | |
| 178 #if 0 /* This will be replaced with a better driver selection API */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
179 if ( SDL_strrchr(driver_name, ':') != NULL ) { |
|
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
180 index = atoi(SDL_strrchr(driver_name, ':')+1); |
| 0 | 181 } |
| 182 #endif | |
| 183 for ( i=0; bootstrap[i]; ++i ) { | |
| 3882 | 184 if ( SDL_strcasecmp(bootstrap[i]->name, driver_name) == 0) { |
| 0 | 185 if ( bootstrap[i]->available() ) { |
| 186 video = bootstrap[i]->create(index); | |
| 187 break; | |
| 188 } | |
| 189 } | |
| 190 } | |
| 191 } else { | |
| 192 for ( i=0; bootstrap[i]; ++i ) { | |
| 193 if ( bootstrap[i]->available() ) { | |
| 194 video = bootstrap[i]->create(index); | |
| 195 if ( video != NULL ) { | |
| 196 break; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 } | |
| 201 if ( video == NULL ) { | |
| 202 SDL_SetError("No available video device"); | |
| 203 return(-1); | |
| 204 } | |
| 205 current_video = video; | |
| 206 current_video->name = bootstrap[i]->name; | |
| 207 | |
| 208 /* Do some basic variable initialization */ | |
| 209 video->screen = NULL; | |
| 210 video->shadow = NULL; | |
| 211 video->visible = NULL; | |
| 212 video->physpal = NULL; | |
| 213 video->gammacols = NULL; | |
| 214 video->gamma = NULL; | |
| 215 video->wm_title = NULL; | |
| 216 video->wm_icon = NULL; | |
| 217 video->offset_x = 0; | |
| 218 video->offset_y = 0; | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
219 SDL_memset(&video->info, 0, (sizeof video->info)); |
|
1052
68f607298ca9
Some work on using accelerated alpha blits with hardware surfaces.
Ryan C. Gordon <icculus@icculus.org>
parents:
1032
diff
changeset
|
220 |
|
68f607298ca9
Some work on using accelerated alpha blits with hardware surfaces.
Ryan C. Gordon <icculus@icculus.org>
parents:
1032
diff
changeset
|
221 video->displayformatalphapixel = NULL; |
| 0 | 222 |
| 223 /* Set some very sane GL defaults */ | |
| 224 video->gl_config.driver_loaded = 0; | |
| 225 video->gl_config.dll_handle = NULL; | |
|
1385
85d8b5fdd9f6
Fixed defaults for 8 bpp visuals
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
226 video->gl_config.red_size = 3; |
|
85d8b5fdd9f6
Fixed defaults for 8 bpp visuals
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
227 video->gl_config.green_size = 3; |
|
85d8b5fdd9f6
Fixed defaults for 8 bpp visuals
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
228 video->gl_config.blue_size = 2; |
| 0 | 229 video->gl_config.alpha_size = 0; |
| 230 video->gl_config.buffer_size = 0; | |
| 231 video->gl_config.depth_size = 16; | |
| 232 video->gl_config.stencil_size = 0; | |
| 233 video->gl_config.double_buffer = 1; | |
| 234 video->gl_config.accum_red_size = 0; | |
| 235 video->gl_config.accum_green_size = 0; | |
| 236 video->gl_config.accum_blue_size = 0; | |
| 237 video->gl_config.accum_alpha_size = 0; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
238 video->gl_config.stereo = 0; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
239 video->gl_config.multisamplebuffers = 0; |
|
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
240 video->gl_config.multisamplesamples = 0; |
| 1737 | 241 video->gl_config.accelerated = -1; /* not known, don't set */ |
|
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1545
diff
changeset
|
242 video->gl_config.swap_control = -1; /* not known, don't set */ |
| 0 | 243 |
| 244 /* Initialize the video subsystem */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
245 SDL_memset(&vformat, 0, sizeof(vformat)); |
| 0 | 246 if ( video->VideoInit(video, &vformat) < 0 ) { |
| 247 SDL_VideoQuit(); | |
| 248 return(-1); | |
| 249 } | |
| 250 | |
| 251 /* Create a zero sized video surface of the appropriate format */ | |
| 252 video_flags = SDL_SWSURFACE; | |
| 253 SDL_VideoSurface = SDL_CreateRGBSurface(video_flags, 0, 0, | |
| 254 vformat.BitsPerPixel, | |
| 255 vformat.Rmask, vformat.Gmask, vformat.Bmask, 0); | |
| 256 if ( SDL_VideoSurface == NULL ) { | |
| 257 SDL_VideoQuit(); | |
| 258 return(-1); | |
| 259 } | |
| 260 SDL_PublicSurface = NULL; /* Until SDL_SetVideoMode() */ | |
| 261 | |
| 262 #if 0 /* Don't change the current palette - may be used by other programs. | |
| 263 * The application can't do anything with the display surface until | |
| 264 * a video mode has been set anyway. :) | |
| 265 */ | |
| 266 /* If we have a palettized surface, create a default palette */ | |
| 267 if ( SDL_VideoSurface->format->palette ) { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
268 SDL_PixelFormat *vf = SDL_VideoSurface->format; |
| 0 | 269 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel); |
| 270 video->SetColors(video, | |
| 271 0, vf->palette->ncolors, vf->palette->colors); | |
| 272 } | |
| 273 #endif | |
| 274 video->info.vfmt = SDL_VideoSurface->format; | |
| 275 | |
| 276 /* Start the event loop */ | |
| 277 if ( SDL_StartEventLoop(flags) < 0 ) { | |
| 278 SDL_VideoQuit(); | |
| 279 return(-1); | |
| 280 } | |
| 281 SDL_CursorInit(flags & SDL_INIT_EVENTTHREAD); | |
| 282 | |
| 283 /* We're ready to go! */ | |
| 284 return(0); | |
| 285 } | |
| 286 | |
| 287 char *SDL_VideoDriverName(char *namebuf, int maxlen) | |
| 288 { | |
| 289 if ( current_video != NULL ) { | |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
290 SDL_strlcpy(namebuf, current_video->name, maxlen); |
| 0 | 291 return(namebuf); |
| 292 } | |
| 293 return(NULL); | |
| 294 } | |
| 295 | |
| 296 /* | |
| 297 * Get the current display surface | |
| 298 */ | |
| 299 SDL_Surface *SDL_GetVideoSurface(void) | |
| 300 { | |
| 301 SDL_Surface *visible; | |
| 302 | |
| 303 visible = NULL; | |
| 304 if ( current_video ) { | |
| 305 visible = current_video->visible; | |
| 306 } | |
| 307 return(visible); | |
| 308 } | |
| 309 | |
| 310 /* | |
| 311 * Get the current information about the video hardware | |
| 312 */ | |
| 313 const SDL_VideoInfo *SDL_GetVideoInfo(void) | |
| 314 { | |
| 315 const SDL_VideoInfo *info; | |
| 316 | |
| 317 info = NULL; | |
| 318 if ( current_video ) { | |
| 319 info = ¤t_video->info; | |
| 320 } | |
| 321 return(info); | |
| 322 } | |
| 323 | |
| 324 /* | |
| 325 * Return a pointer to an array of available screen dimensions for the | |
| 326 * given format, sorted largest to smallest. Returns NULL if there are | |
| 327 * no dimensions available for a particular format, or (SDL_Rect **)-1 | |
| 328 * if any dimension is okay for the given format. If 'format' is NULL, | |
| 329 * the mode list will be for the format given by SDL_GetVideoInfo()->vfmt | |
| 330 */ | |
| 331 SDL_Rect ** SDL_ListModes (SDL_PixelFormat *format, Uint32 flags) | |
| 332 { | |
| 333 SDL_VideoDevice *video = current_video; | |
| 334 SDL_VideoDevice *this = current_video; | |
| 335 SDL_Rect **modes; | |
| 336 | |
| 337 modes = NULL; | |
| 338 if ( SDL_VideoSurface ) { | |
| 339 if ( format == NULL ) { | |
| 340 format = SDL_VideoSurface->format; | |
| 341 } | |
| 342 modes = video->ListModes(this, format, flags); | |
| 343 } | |
| 344 return(modes); | |
| 345 } | |
| 346 | |
| 347 /* | |
| 348 * Check to see if a particular video mode is supported. | |
| 349 * It returns 0 if the requested mode is not supported under any bit depth, | |
| 350 * or returns the bits-per-pixel of the closest available mode with the | |
| 351 * given width and height. If this bits-per-pixel is different from the | |
| 352 * one used when setting the video mode, SDL_SetVideoMode() will succeed, | |
| 353 * but will emulate the requested bits-per-pixel with a shadow surface. | |
| 354 */ | |
| 355 static Uint8 SDL_closest_depths[4][8] = { | |
| 356 /* 8 bit closest depth ordering */ | |
| 357 { 0, 8, 16, 15, 32, 24, 0, 0 }, | |
| 358 /* 15,16 bit closest depth ordering */ | |
| 359 { 0, 16, 15, 32, 24, 8, 0, 0 }, | |
| 360 /* 24 bit closest depth ordering */ | |
| 361 { 0, 24, 32, 16, 15, 8, 0, 0 }, | |
| 362 /* 32 bit closest depth ordering */ | |
| 363 { 0, 32, 16, 15, 24, 8, 0, 0 } | |
| 364 }; | |
| 365 | |
|
853
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
366 |
|
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1385
diff
changeset
|
367 #ifdef __MACOS__ /* MPW optimization bug? */ |
|
853
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
368 #define NEGATIVE_ONE 0xFFFFFFFF |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
369 #else |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
370 #define NEGATIVE_ONE -1 |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
371 #endif |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
372 |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
373 int SDL_VideoModeOK (int width, int height, int bpp, Uint32 flags) |
| 0 | 374 { |
| 375 int table, b, i; | |
| 376 int supported; | |
| 377 SDL_PixelFormat format; | |
| 378 SDL_Rect **sizes; | |
| 379 | |
| 380 /* Currently 1 and 4 bpp are not supported */ | |
| 381 if ( bpp < 8 || bpp > 32 ) { | |
| 382 return(0); | |
| 383 } | |
|
456
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
384 if ( (width <= 0) || (height <= 0) ) { |
| 0 | 385 return(0); |
| 386 } | |
| 387 | |
| 388 /* Search through the list valid of modes */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
389 SDL_memset(&format, 0, sizeof(format)); |
| 0 | 390 supported = 0; |
| 391 table = ((bpp+7)/8)-1; | |
| 392 SDL_closest_depths[table][0] = bpp; | |
| 393 SDL_closest_depths[table][7] = 0; | |
| 394 for ( b = 0; !supported && SDL_closest_depths[table][b]; ++b ) { | |
| 395 format.BitsPerPixel = SDL_closest_depths[table][b]; | |
| 396 sizes = SDL_ListModes(&format, flags); | |
| 397 if ( sizes == (SDL_Rect **)0 ) { | |
| 398 /* No sizes supported at this bit-depth */ | |
| 399 continue; | |
| 400 } else | |
|
853
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
401 if (sizes == (SDL_Rect **)NEGATIVE_ONE) { |
| 0 | 402 /* Any size supported at this bit-depth */ |
| 403 supported = 1; | |
| 404 continue; | |
|
853
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
405 } else if (current_video->handles_any_size) { |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
406 /* Driver can center a smaller surface to simulate fullscreen */ |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
407 for ( i=0; sizes[i]; ++i ) { |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
408 if ((sizes[i]->w >= width) && (sizes[i]->h >= height)) { |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
409 supported = 1; /* this mode can fit the centered window. */ |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
410 break; |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
411 } |
|
dddfc37e1f65
Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
412 } |
| 0 | 413 } else |
| 414 for ( i=0; sizes[i]; ++i ) { | |
| 415 if ((sizes[i]->w == width) && (sizes[i]->h == height)) { | |
| 416 supported = 1; | |
| 417 break; | |
| 418 } | |
| 419 } | |
| 420 } | |
| 421 if ( supported ) { | |
| 422 --b; | |
| 423 return(SDL_closest_depths[table][b]); | |
| 424 } else { | |
| 425 return(0); | |
| 426 } | |
| 427 } | |
| 428 | |
| 429 /* | |
| 430 * Get the closest non-emulated video mode to the one requested | |
| 431 */ | |
| 432 static int SDL_GetVideoMode (int *w, int *h, int *BitsPerPixel, Uint32 flags) | |
| 433 { | |
| 434 int table, b, i; | |
| 435 int supported; | |
| 436 int native_bpp; | |
| 437 SDL_PixelFormat format; | |
| 438 SDL_Rect **sizes; | |
| 439 | |
|
456
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
440 /* Check parameters */ |
|
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
441 if ( *BitsPerPixel < 8 || *BitsPerPixel > 32 ) { |
|
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
442 SDL_SetError("Invalid bits per pixel (range is {8...32})"); |
|
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
443 return(0); |
|
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
444 } |
|
430
60effdbf14ee
Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents:
423
diff
changeset
|
445 if ((*w <= 0) || (*h <= 0)) { |
|
456
b4e14b15af3c
Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents:
450
diff
changeset
|
446 SDL_SetError("Invalid width or height"); |
|
430
60effdbf14ee
Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents:
423
diff
changeset
|
447 return(0); |
|
60effdbf14ee
Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents:
423
diff
changeset
|
448 } |
|
60effdbf14ee
Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents:
423
diff
changeset
|
449 |
| 0 | 450 /* Try the original video mode, get the closest depth */ |
| 451 native_bpp = SDL_VideoModeOK(*w, *h, *BitsPerPixel, flags); | |
| 452 if ( native_bpp == *BitsPerPixel ) { | |
| 453 return(1); | |
| 454 } | |
| 455 if ( native_bpp > 0 ) { | |
| 456 *BitsPerPixel = native_bpp; | |
| 457 return(1); | |
| 458 } | |
| 459 | |
| 460 /* No exact size match at any depth, look for closest match */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
461 SDL_memset(&format, 0, sizeof(format)); |
| 0 | 462 supported = 0; |
| 463 table = ((*BitsPerPixel+7)/8)-1; | |
| 464 SDL_closest_depths[table][0] = *BitsPerPixel; | |
| 465 SDL_closest_depths[table][7] = SDL_VideoSurface->format->BitsPerPixel; | |
| 466 for ( b = 0; !supported && SDL_closest_depths[table][b]; ++b ) { | |
|
1076
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
467 int best; |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
468 |
| 0 | 469 format.BitsPerPixel = SDL_closest_depths[table][b]; |
| 470 sizes = SDL_ListModes(&format, flags); | |
| 471 if ( sizes == (SDL_Rect **)0 ) { | |
| 472 /* No sizes supported at this bit-depth */ | |
| 473 continue; | |
| 474 } | |
|
1076
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
475 best=0; |
| 0 | 476 for ( i=0; sizes[i]; ++i ) { |
|
1076
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
477 /* Mode with both dimensions bigger or equal than asked ? */ |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
478 if ((sizes[i]->w >= *w) && (sizes[i]->h >= *h)) { |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
479 /* Mode with any dimension smaller or equal than current best ? */ |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
480 if ((sizes[i]->w <= sizes[best]->w) || (sizes[i]->h <= sizes[best]->h)) { |
|
1257
448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents:
1254
diff
changeset
|
481 /* Now choose the mode that has less pixels */ |
|
1266
a7bea6db3c3e
SDL_GetVideoMode, part 3: pixel count compare was failing when only 1 video mode was present
Patrice Mandin <patmandin@gmail.com>
parents:
1257
diff
changeset
|
482 if ((sizes[i]->w * sizes[i]->h) <= (sizes[best]->w * sizes[best]->h)) { |
|
1257
448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents:
1254
diff
changeset
|
483 best=i; |
|
448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents:
1254
diff
changeset
|
484 supported = 1; |
|
448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents:
1254
diff
changeset
|
485 } |
| 0 | 486 } |
| 487 } | |
| 488 } | |
|
1076
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
489 if (supported) { |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
490 *w=sizes[best]->w; |
|
8d3b95ece376
[PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents:
1052
diff
changeset
|
491 *h=sizes[best]->h; |
| 0 | 492 *BitsPerPixel = SDL_closest_depths[table][b]; |
| 493 } | |
| 494 } | |
| 495 if ( ! supported ) { | |
| 496 SDL_SetError("No video mode large enough for %dx%d", *w, *h); | |
| 497 } | |
| 498 return(supported); | |
| 499 } | |
| 500 | |
| 501 /* This should probably go somewhere else -- like SDL_surface.c */ | |
| 502 static void SDL_ClearSurface(SDL_Surface *surface) | |
| 503 { | |
| 504 Uint32 black; | |
| 505 | |
| 506 black = SDL_MapRGB(surface->format, 0, 0, 0); | |
| 507 SDL_FillRect(surface, NULL, black); | |
| 508 if ((surface->flags&SDL_HWSURFACE) && (surface->flags&SDL_DOUBLEBUF)) { | |
| 509 SDL_Flip(surface); | |
| 510 SDL_FillRect(surface, NULL, black); | |
| 511 } | |
|
4142
4433ef2a1802
We probably want to still do this for fullscreen surfaces, since we may be
Sam Lantinga <slouken@libsdl.org>
parents:
4140
diff
changeset
|
512 if (surface->flags&SDL_FULLSCREEN) { |
|
4433ef2a1802
We probably want to still do this for fullscreen surfaces, since we may be
Sam Lantinga <slouken@libsdl.org>
parents:
4140
diff
changeset
|
513 SDL_Flip(surface); |
|
4433ef2a1802
We probably want to still do this for fullscreen surfaces, since we may be
Sam Lantinga <slouken@libsdl.org>
parents:
4140
diff
changeset
|
514 } |
| 0 | 515 } |
| 516 | |
| 517 /* | |
| 518 * Create a shadow surface suitable for fooling the app. :-) | |
| 519 */ | |
| 520 static void SDL_CreateShadowSurface(int depth) | |
| 521 { | |
| 522 Uint32 Rmask, Gmask, Bmask; | |
| 523 | |
| 524 /* Allocate the shadow surface */ | |
| 525 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) { | |
| 526 Rmask = (SDL_VideoSurface->format)->Rmask; | |
| 527 Gmask = (SDL_VideoSurface->format)->Gmask; | |
| 528 Bmask = (SDL_VideoSurface->format)->Bmask; | |
| 529 } else { | |
| 530 Rmask = Gmask = Bmask = 0; | |
| 531 } | |
| 532 SDL_ShadowSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 533 SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 534 depth, Rmask, Gmask, Bmask, 0); | |
| 535 if ( SDL_ShadowSurface == NULL ) { | |
| 536 return; | |
| 537 } | |
| 538 | |
| 539 /* 8-bit shadow surfaces report that they have exclusive palette */ | |
| 540 if ( SDL_ShadowSurface->format->palette ) { | |
| 541 SDL_ShadowSurface->flags |= SDL_HWPALETTE; | |
| 542 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
543 SDL_memcpy(SDL_ShadowSurface->format->palette->colors, |
| 0 | 544 SDL_VideoSurface->format->palette->colors, |
| 545 SDL_VideoSurface->format->palette->ncolors* | |
| 546 sizeof(SDL_Color)); | |
| 547 } else { | |
| 548 SDL_DitherColors( | |
| 549 SDL_ShadowSurface->format->palette->colors, depth); | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 /* If the video surface is resizable, the shadow should say so */ | |
| 554 if ( (SDL_VideoSurface->flags & SDL_RESIZABLE) == SDL_RESIZABLE ) { | |
| 555 SDL_ShadowSurface->flags |= SDL_RESIZABLE; | |
| 556 } | |
| 557 /* If the video surface has no frame, the shadow should say so */ | |
| 558 if ( (SDL_VideoSurface->flags & SDL_NOFRAME) == SDL_NOFRAME ) { | |
| 559 SDL_ShadowSurface->flags |= SDL_NOFRAME; | |
| 560 } | |
| 561 /* If the video surface is fullscreen, the shadow should say so */ | |
| 562 if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 563 SDL_ShadowSurface->flags |= SDL_FULLSCREEN; | |
| 564 } | |
| 565 /* If the video surface is flippable, the shadow should say so */ | |
| 566 if ( (SDL_VideoSurface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) { | |
| 567 SDL_ShadowSurface->flags |= SDL_DOUBLEBUF; | |
| 568 } | |
| 569 return; | |
| 570 } | |
| 571 | |
|
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
572 #ifdef __QNXNTO__ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
573 #include <sys/neutrino.h> |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
574 #endif /* __QNXNTO__ */ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
575 |
| 0 | 576 /* |
| 577 * Set the requested video mode, allocating a shadow buffer if necessary. | |
| 578 */ | |
| 579 SDL_Surface * SDL_SetVideoMode (int width, int height, int bpp, Uint32 flags) | |
| 580 { | |
| 581 SDL_VideoDevice *video, *this; | |
| 582 SDL_Surface *prev_mode, *mode; | |
| 583 int video_w; | |
| 584 int video_h; | |
| 585 int video_bpp; | |
| 586 int is_opengl; | |
| 587 SDL_GrabMode saved_grab; | |
| 588 | |
| 589 /* Start up the video driver, if necessary.. | |
| 590 WARNING: This is the only function protected this way! | |
| 591 */ | |
| 592 if ( ! current_video ) { | |
| 593 if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE) < 0 ) { | |
| 594 return(NULL); | |
| 595 } | |
| 596 } | |
| 597 this = video = current_video; | |
| 598 | |
|
1545
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
599 /* Default to the current width and height */ |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
600 if ( width == 0 ) { |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
601 width = video->info.current_w; |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
602 } |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
603 if ( height == 0 ) { |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
604 height = video->info.current_h; |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
605 } |
| 0 | 606 /* Default to the current video bpp */ |
| 607 if ( bpp == 0 ) { | |
| 608 flags |= SDL_ANYFORMAT; | |
| 609 bpp = SDL_VideoSurface->format->BitsPerPixel; | |
| 610 } | |
| 611 | |
| 612 /* Get a good video mode, the closest one possible */ | |
| 613 video_w = width; | |
| 614 video_h = height; | |
| 615 video_bpp = bpp; | |
| 616 if ( ! SDL_GetVideoMode(&video_w, &video_h, &video_bpp, flags) ) { | |
| 617 return(NULL); | |
| 618 } | |
| 619 | |
| 620 /* Check the requested flags */ | |
| 621 /* There's no palette in > 8 bits-per-pixel mode */ | |
| 622 if ( video_bpp > 8 ) { | |
| 623 flags &= ~SDL_HWPALETTE; | |
| 624 } | |
| 625 #if 0 | |
| 626 if ( (flags&SDL_FULLSCREEN) != SDL_FULLSCREEN ) { | |
| 627 /* There's no windowed double-buffering */ | |
| 628 flags &= ~SDL_DOUBLEBUF; | |
| 629 } | |
| 630 #endif | |
| 631 if ( (flags&SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) { | |
| 632 /* Use hardware surfaces when double-buffering */ | |
| 633 flags |= SDL_HWSURFACE; | |
| 634 } | |
| 635 | |
| 636 is_opengl = ( ( flags & SDL_OPENGL ) == SDL_OPENGL ); | |
| 637 if ( is_opengl ) { | |
| 638 /* These flags are for 2D video modes only */ | |
| 639 flags &= ~(SDL_HWSURFACE|SDL_DOUBLEBUF); | |
| 640 } | |
| 641 | |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
11
diff
changeset
|
642 /* Reset the keyboard here so event callbacks can run */ |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
11
diff
changeset
|
643 SDL_ResetKeyboard(); |
|
460
a888b3ae31ff
Reset mouse state when changing video modes
Sam Lantinga <slouken@libsdl.org>
parents:
456
diff
changeset
|
644 SDL_ResetMouse(); |
| 4249 | 645 SDL_SetMouseRange(width, height); |
| 1296 | 646 SDL_cursorstate &= ~CURSOR_USINGSW; |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
11
diff
changeset
|
647 |
| 0 | 648 /* Clean up any previous video mode */ |
| 649 if ( SDL_PublicSurface != NULL ) { | |
| 650 SDL_PublicSurface = NULL; | |
| 651 } | |
| 652 if ( SDL_ShadowSurface != NULL ) { | |
| 653 SDL_Surface *ready_to_go; | |
| 654 ready_to_go = SDL_ShadowSurface; | |
| 655 SDL_ShadowSurface = NULL; | |
| 656 SDL_FreeSurface(ready_to_go); | |
| 657 } | |
| 658 if ( video->physpal ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
659 SDL_free(video->physpal->colors); |
|
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
660 SDL_free(video->physpal); |
| 0 | 661 video->physpal = NULL; |
| 662 } | |
| 663 if( video->gammacols) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
664 SDL_free(video->gammacols); |
| 0 | 665 video->gammacols = NULL; |
| 666 } | |
| 667 | |
| 668 /* Save the previous grab state and turn off grab for mode switch */ | |
| 669 saved_grab = SDL_WM_GrabInputOff(); | |
| 670 | |
| 671 /* Try to set the video mode, along with offset and clipping */ | |
| 672 prev_mode = SDL_VideoSurface; | |
| 673 SDL_LockCursor(); | |
| 674 SDL_VideoSurface = NULL; /* In case it's freed by driver */ | |
| 675 mode = video->SetVideoMode(this, prev_mode,video_w,video_h,video_bpp,flags); | |
| 676 if ( mode ) { /* Prevent resize events from mode change */ | |
| 1190 | 677 /* But not on OS/2 */ |
| 678 #ifndef __OS2__ | |
| 0 | 679 SDL_PrivateResize(mode->w, mode->h); |
| 1190 | 680 #endif |
|
229
4d24d5a660a8
Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents:
216
diff
changeset
|
681 |
|
4d24d5a660a8
Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents:
216
diff
changeset
|
682 /* Sam - If we asked for OpenGL mode, and didn't get it, fail */ |
|
4d24d5a660a8
Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents:
216
diff
changeset
|
683 if ( is_opengl && !(mode->flags & SDL_OPENGL) ) { |
|
4d24d5a660a8
Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents:
216
diff
changeset
|
684 mode = NULL; |
|
883
50f5a29c6a17
Date: Sat, 10 Apr 2004 02:25:33 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
853
diff
changeset
|
685 SDL_SetError("OpenGL not available"); |
|
229
4d24d5a660a8
Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents:
216
diff
changeset
|
686 } |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
687 } |
| 0 | 688 /* |
| 689 * rcg11292000 | |
| 690 * If you try to set an SDL_OPENGL surface, and fail to find a | |
| 691 * matching visual, then the next call to SDL_SetVideoMode() | |
| 692 * will segfault, since we no longer point to a dummy surface, | |
| 693 * but rather NULL. | |
| 694 * Sam 11/29/00 | |
| 695 * WARNING, we need to make sure that the previous mode hasn't | |
| 696 * already been freed by the video driver. What do we do in | |
| 697 * that case? Should we call SDL_VideoInit() again? | |
| 698 */ | |
| 699 SDL_VideoSurface = (mode != NULL) ? mode : prev_mode; | |
| 700 | |
| 701 if ( (mode != NULL) && (!is_opengl) ) { | |
| 702 /* Sanity check */ | |
| 703 if ( (mode->w < width) || (mode->h < height) ) { | |
| 704 SDL_SetError("Video mode smaller than requested"); | |
| 705 return(NULL); | |
| 706 } | |
| 707 | |
| 708 /* If we have a palettized surface, create a default palette */ | |
| 709 if ( mode->format->palette ) { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
710 SDL_PixelFormat *vf = mode->format; |
| 0 | 711 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel); |
| 712 video->SetColors(this, 0, vf->palette->ncolors, | |
| 713 vf->palette->colors); | |
| 714 } | |
| 715 | |
| 716 /* Clear the surface to black */ | |
| 717 video->offset_x = 0; | |
| 718 video->offset_y = 0; | |
| 719 mode->offset = 0; | |
| 720 SDL_SetClipRect(mode, NULL); | |
| 721 SDL_ClearSurface(mode); | |
| 722 | |
| 723 /* Now adjust the offsets to match the desired mode */ | |
| 724 video->offset_x = (mode->w-width)/2; | |
| 725 video->offset_y = (mode->h-height)/2; | |
| 726 mode->offset = video->offset_y*mode->pitch + | |
| 727 video->offset_x*mode->format->BytesPerPixel; | |
| 728 #ifdef DEBUG_VIDEO | |
| 729 fprintf(stderr, | |
| 730 "Requested mode: %dx%dx%d, obtained mode %dx%dx%d (offset %d)\n", | |
| 731 width, height, bpp, | |
| 732 mode->w, mode->h, mode->format->BitsPerPixel, mode->offset); | |
| 733 #endif | |
| 734 mode->w = width; | |
| 735 mode->h = height; | |
| 736 SDL_SetClipRect(mode, NULL); | |
| 737 } | |
| 738 SDL_ResetCursor(); | |
| 739 SDL_UnlockCursor(); | |
| 740 | |
| 741 /* If we failed setting a video mode, return NULL... (Uh Oh!) */ | |
| 742 if ( mode == NULL ) { | |
| 743 return(NULL); | |
| 744 } | |
| 745 | |
| 746 /* If there is no window manager, set the SDL_NOFRAME flag */ | |
| 747 if ( ! video->info.wm_available ) { | |
| 748 mode->flags |= SDL_NOFRAME; | |
| 749 } | |
| 750 | |
| 751 /* Reset the mouse cursor and grab for new video mode */ | |
| 752 SDL_SetCursor(NULL); | |
| 753 if ( video->UpdateMouse ) { | |
| 754 video->UpdateMouse(this); | |
| 755 } | |
| 756 SDL_WM_GrabInput(saved_grab); | |
| 757 SDL_GetRelativeMouseState(NULL, NULL); /* Clear first large delta */ | |
| 758 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
759 #if SDL_VIDEO_OPENGL |
|
650
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
760 /* Load GL symbols (before MakeCurrent, where we need glGetString). */ |
|
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
761 if ( flags & (SDL_OPENGL | SDL_OPENGLBLIT) ) { |
|
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
762 |
|
1032
c1c2efca4548
Date: Mon, 24 Jan 2005 21:37:56 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
989
diff
changeset
|
763 #if defined(__QNXNTO__) && (_NTO_VERSION < 630) |
|
916
46916168361d
Date: Sun, 25 Jul 2004 23:10:03 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
764 #define __SDL_NOGETPROCADDR__ |
|
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
944
diff
changeset
|
765 #elif defined(__MINT__) |
|
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
944
diff
changeset
|
766 #define __SDL_NOGETPROCADDR__ |
|
916
46916168361d
Date: Sun, 25 Jul 2004 23:10:03 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
767 #endif |
|
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
768 #ifdef __SDL_NOGETPROCADDR__ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
769 #define SDL_PROC(ret,func,params) video->func=func; |
|
663
8bedd6d61642
Date: Sat, 2 Aug 2003 16:22:51 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
662
diff
changeset
|
770 #else |
|
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
771 #define SDL_PROC(ret,func,params) \ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
772 do { \ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
773 video->func = SDL_GL_GetProcAddress(#func); \ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
774 if ( ! video->func ) { \ |
|
1141
fe1fa56dcbc6
If couldn't load a needed GL symbol in SDL_SetVideoMode(), report it more
Ryan C. Gordon <icculus@icculus.org>
parents:
1140
diff
changeset
|
775 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \ |
|
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
776 return(NULL); \ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
777 } \ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
778 } while ( 0 ); |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
779 |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
780 #endif /* __SDL_NOGETPROCADDR__ */ |
|
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
883
diff
changeset
|
781 |
|
650
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
782 #include "SDL_glfuncs.h" |
|
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
783 #undef SDL_PROC |
|
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
784 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
785 #endif /* SDL_VIDEO_OPENGL */ |
|
650
fe445b59d307
We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents:
630
diff
changeset
|
786 |
| 0 | 787 /* If we're running OpenGL, make the context current */ |
| 788 if ( (video->screen->flags & SDL_OPENGL) && | |
| 789 video->GL_MakeCurrent ) { | |
| 790 if ( video->GL_MakeCurrent(this) < 0 ) { | |
| 791 return(NULL); | |
| 792 } | |
| 793 } | |
| 794 | |
| 795 /* Set up a fake SDL surface for OpenGL "blitting" */ | |
| 796 if ( (flags & SDL_OPENGLBLIT) == SDL_OPENGLBLIT ) { | |
| 797 /* Load GL functions for performing the texture updates */ | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
798 #if SDL_VIDEO_OPENGL |
| 0 | 799 |
| 800 /* Create a software surface for blitting */ | |
| 801 #ifdef GL_VERSION_1_2 | |
| 802 /* If the implementation either supports the packed pixels | |
| 803 extension, or implements the core OpenGL 1.2 API, it will | |
| 804 support the GL_UNSIGNED_SHORT_5_6_5 texture format. | |
| 805 */ | |
| 806 if ( (bpp == 16) && | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
807 (SDL_strstr((const char *)video->glGetString(GL_EXTENSIONS), "GL_EXT_packed_pixels") || |
|
1341
d02b552e5304
Configure dynamically generates SDL_config.h
Sam Lantinga <slouken@libsdl.org>
parents:
1338
diff
changeset
|
808 (SDL_atof((const char *)video->glGetString(GL_VERSION)) >= 1.2f)) |
|
282
b42d80e73896
Fixed SDL_OPENGLBLIT with OpenGL API newer than 1.2
Sam Lantinga <slouken@libsdl.org>
parents:
281
diff
changeset
|
809 ) { |
| 0 | 810 video->is_32bit = 0; |
| 811 SDL_VideoSurface = SDL_CreateRGBSurface( | |
| 812 flags, | |
| 813 width, | |
| 814 height, | |
| 815 16, | |
| 816 31 << 11, | |
| 817 63 << 5, | |
| 818 31, | |
| 819 0 | |
| 820 ); | |
| 821 } | |
| 822 else | |
| 823 #endif /* OpenGL 1.2 */ | |
| 824 { | |
| 825 video->is_32bit = 1; | |
| 826 SDL_VideoSurface = SDL_CreateRGBSurface( | |
| 827 flags, | |
| 828 width, | |
| 829 height, | |
| 830 32, | |
| 831 #if SDL_BYTEORDER == SDL_LIL_ENDIAN | |
| 832 0x000000FF, | |
| 833 0x0000FF00, | |
| 834 0x00FF0000, | |
| 835 0xFF000000 | |
| 836 #else | |
| 837 0xFF000000, | |
| 838 0x00FF0000, | |
| 839 0x0000FF00, | |
| 840 0x000000FF | |
| 841 #endif | |
| 842 ); | |
| 843 } | |
| 844 if ( ! SDL_VideoSurface ) { | |
| 845 return(NULL); | |
| 846 } | |
| 847 SDL_VideoSurface->flags = mode->flags | SDL_OPENGLBLIT; | |
| 848 | |
| 849 /* Free the original video mode surface (is this safe?) */ | |
| 850 SDL_FreeSurface(mode); | |
| 851 | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
852 /* Set the surface completely opaque & white by default */ |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
853 SDL_memset( SDL_VideoSurface->pixels, 255, SDL_VideoSurface->h * SDL_VideoSurface->pitch ); |
| 0 | 854 video->glGenTextures( 1, &video->texture ); |
| 855 video->glBindTexture( GL_TEXTURE_2D, video->texture ); | |
| 856 video->glTexImage2D( | |
| 857 GL_TEXTURE_2D, | |
| 858 0, | |
| 859 video->is_32bit ? GL_RGBA : GL_RGB, | |
| 860 256, | |
| 861 256, | |
| 862 0, | |
| 863 video->is_32bit ? GL_RGBA : GL_RGB, | |
| 864 #ifdef GL_VERSION_1_2 | |
| 865 video->is_32bit ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT_5_6_5, | |
| 866 #else | |
| 867 GL_UNSIGNED_BYTE, | |
| 868 #endif | |
| 869 NULL); | |
| 870 | |
| 871 video->UpdateRects = SDL_GL_UpdateRectsLock; | |
| 872 #else | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
873 SDL_SetError("Somebody forgot to #define SDL_VIDEO_OPENGL"); |
| 0 | 874 return(NULL); |
| 875 #endif | |
| 876 } | |
| 877 | |
| 878 /* Create a shadow surface if necessary */ | |
| 879 /* There are three conditions under which we create a shadow surface: | |
| 880 1. We need a particular bits-per-pixel that we didn't get. | |
| 881 2. We need a hardware palette and didn't get one. | |
| 882 3. We need a software surface and got a hardware surface. | |
| 883 */ | |
| 884 if ( !(SDL_VideoSurface->flags & SDL_OPENGL) && | |
| 885 ( | |
| 886 ( !(flags&SDL_ANYFORMAT) && | |
| 887 (SDL_VideoSurface->format->BitsPerPixel != bpp)) || | |
| 888 ( (flags&SDL_HWPALETTE) && | |
| 889 !(SDL_VideoSurface->flags&SDL_HWPALETTE)) || | |
| 890 /* If the surface is in hardware, video writes are visible | |
| 891 as soon as they are performed, so we need to buffer them | |
| 892 */ | |
| 893 ( ((flags&SDL_HWSURFACE) == SDL_SWSURFACE) && | |
|
580
be6495850a62
If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents:
567
diff
changeset
|
894 (SDL_VideoSurface->flags&SDL_HWSURFACE)) || |
|
be6495850a62
If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents:
567
diff
changeset
|
895 ( (flags&SDL_DOUBLEBUF) && |
|
be6495850a62
If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents:
567
diff
changeset
|
896 (SDL_VideoSurface->flags&SDL_HWSURFACE) && |
|
be6495850a62
If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents:
567
diff
changeset
|
897 !(SDL_VideoSurface->flags&SDL_DOUBLEBUF)) |
| 0 | 898 ) ) { |
| 899 SDL_CreateShadowSurface(bpp); | |
| 900 if ( SDL_ShadowSurface == NULL ) { | |
| 901 SDL_SetError("Couldn't create shadow surface"); | |
| 902 return(NULL); | |
| 903 } | |
| 904 SDL_PublicSurface = SDL_ShadowSurface; | |
| 905 } else { | |
| 906 SDL_PublicSurface = SDL_VideoSurface; | |
| 907 } | |
| 908 video->info.vfmt = SDL_VideoSurface->format; | |
|
1545
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
909 video->info.current_w = SDL_VideoSurface->w; |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1491
diff
changeset
|
910 video->info.current_h = SDL_VideoSurface->h; |
| 0 | 911 |
| 912 /* We're done! */ | |
| 913 return(SDL_PublicSurface); | |
| 914 } | |
| 915 | |
| 916 /* | |
| 917 * Convert a surface into the video pixel format. | |
| 918 */ | |
| 919 SDL_Surface * SDL_DisplayFormat (SDL_Surface *surface) | |
| 920 { | |
| 921 Uint32 flags; | |
| 922 | |
| 923 if ( ! SDL_PublicSurface ) { | |
| 924 SDL_SetError("No video mode has been set"); | |
| 925 return(NULL); | |
| 926 } | |
| 927 /* Set the flags appropriate for copying to display surface */ | |
|
313
67ad846ed21c
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
306
diff
changeset
|
928 if (((SDL_PublicSurface->flags&SDL_HWSURFACE) == SDL_HWSURFACE) && current_video->info.blit_hw) |
|
306
3879bed3395c
Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
929 flags = SDL_HWSURFACE; |
|
3879bed3395c
Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
930 else |
|
3879bed3395c
Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
931 flags = SDL_SWSURFACE; |
| 0 | 932 #ifdef AUTORLE_DISPLAYFORMAT |
| 933 flags |= (surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA)); | |
| 934 flags |= SDL_RLEACCELOK; | |
| 935 #else | |
| 936 flags |= surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA|SDL_RLEACCELOK); | |
| 937 #endif | |
| 938 return(SDL_ConvertSurface(surface, SDL_PublicSurface->format, flags)); | |
| 939 } | |
| 940 | |
| 941 /* | |
| 942 * Convert a surface into a format that's suitable for blitting to | |
| 943 * the screen, but including an alpha channel. | |
| 944 */ | |
| 945 SDL_Surface *SDL_DisplayFormatAlpha(SDL_Surface *surface) | |
| 946 { | |
| 947 SDL_PixelFormat *vf; | |
| 948 SDL_PixelFormat *format; | |
| 949 SDL_Surface *converted; | |
| 950 Uint32 flags; | |
| 951 /* default to ARGB8888 */ | |
| 952 Uint32 amask = 0xff000000; | |
| 953 Uint32 rmask = 0x00ff0000; | |
| 954 Uint32 gmask = 0x0000ff00; | |
| 955 Uint32 bmask = 0x000000ff; | |
| 956 | |
| 957 if ( ! SDL_PublicSurface ) { | |
| 958 SDL_SetError("No video mode has been set"); | |
| 959 return(NULL); | |
| 960 } | |
| 961 vf = SDL_PublicSurface->format; | |
| 962 | |
| 963 switch(vf->BytesPerPixel) { | |
| 964 case 2: | |
| 965 /* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}. | |
| 966 For anything else (like ARGB4444) it doesn't matter | |
| 967 since we have no special code for it anyway */ | |
| 968 if ( (vf->Rmask == 0x1f) && | |
| 969 (vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) { | |
| 970 rmask = 0xff; | |
| 971 bmask = 0xff0000; | |
| 972 } | |
| 973 break; | |
| 974 | |
| 975 case 3: | |
| 976 case 4: | |
| 977 /* Keep the video format, as long as the high 8 bits are | |
| 978 unused or alpha */ | |
| 979 if ( (vf->Rmask == 0xff) && (vf->Bmask == 0xff0000) ) { | |
| 980 rmask = 0xff; | |
| 981 bmask = 0xff0000; | |
| 982 } | |
| 983 break; | |
| 984 | |
| 985 default: | |
| 986 /* We have no other optimised formats right now. When/if a new | |
| 987 optimised alpha format is written, add the converter here */ | |
| 988 break; | |
| 989 } | |
| 990 format = SDL_AllocFormat(32, rmask, gmask, bmask, amask); | |
| 991 flags = SDL_PublicSurface->flags & SDL_HWSURFACE; | |
| 992 flags |= surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); | |
| 993 converted = SDL_ConvertSurface(surface, format, flags); | |
| 994 SDL_FreeFormat(format); | |
| 995 return(converted); | |
| 996 } | |
| 997 | |
| 998 /* | |
| 999 * Update a specific portion of the physical screen | |
| 1000 */ | |
| 1001 void SDL_UpdateRect(SDL_Surface *screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h) | |
| 1002 { | |
| 1003 if ( screen ) { | |
| 1004 SDL_Rect rect; | |
| 1005 | |
| 1006 /* Perform some checking */ | |
| 1007 if ( w == 0 ) | |
| 1008 w = screen->w; | |
| 1009 if ( h == 0 ) | |
| 1010 h = screen->h; | |
| 1011 if ( (int)(x+w) > screen->w ) | |
| 1012 return; | |
| 1013 if ( (int)(y+h) > screen->h ) | |
| 1014 return; | |
| 1015 | |
| 1016 /* Fill the rectangle */ | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1017 rect.x = (Sint16)x; |
|
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1018 rect.y = (Sint16)y; |
|
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1019 rect.w = (Uint16)w; |
|
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1020 rect.h = (Uint16)h; |
| 0 | 1021 SDL_UpdateRects(screen, 1, &rect); |
| 1022 } | |
| 1023 } | |
| 1024 void SDL_UpdateRects (SDL_Surface *screen, int numrects, SDL_Rect *rects) | |
| 1025 { | |
| 1026 int i; | |
| 1027 SDL_VideoDevice *video = current_video; | |
| 1028 SDL_VideoDevice *this = current_video; | |
| 1029 | |
|
1491
cf23b92602aa
Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1030 if ( (screen->flags & (SDL_OPENGL | SDL_OPENGLBLIT)) == SDL_OPENGL ) { |
|
cf23b92602aa
Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1031 SDL_SetError("OpenGL active, use SDL_GL_SwapBuffers()"); |
|
cf23b92602aa
Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1032 return; |
|
cf23b92602aa
Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1033 } |
| 0 | 1034 if ( screen == SDL_ShadowSurface ) { |
| 1035 /* Blit the shadow surface using saved mapping */ | |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1036 SDL_Palette *pal = screen->format->palette; |
| 0 | 1037 SDL_Color *saved_colors = NULL; |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1038 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) { |
| 0 | 1039 /* simulated 8bpp, use correct physical palette */ |
| 1040 saved_colors = pal->colors; | |
| 1041 if ( video->gammacols ) { | |
| 1042 /* gamma-corrected palette */ | |
| 1043 pal->colors = video->gammacols; | |
| 1044 } else if ( video->physpal ) { | |
| 1045 /* physical palette different from logical */ | |
| 1046 pal->colors = video->physpal->colors; | |
| 1047 } | |
| 1048 } | |
| 1049 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) { | |
| 1050 SDL_LockCursor(); | |
| 1051 SDL_DrawCursor(SDL_ShadowSurface); | |
| 1052 for ( i=0; i<numrects; ++i ) { | |
| 1053 SDL_LowerBlit(SDL_ShadowSurface, &rects[i], | |
| 1054 SDL_VideoSurface, &rects[i]); | |
| 1055 } | |
| 1056 SDL_EraseCursor(SDL_ShadowSurface); | |
| 1057 SDL_UnlockCursor(); | |
| 1058 } else { | |
| 1059 for ( i=0; i<numrects; ++i ) { | |
| 1060 SDL_LowerBlit(SDL_ShadowSurface, &rects[i], | |
| 1061 SDL_VideoSurface, &rects[i]); | |
| 1062 } | |
| 1063 } | |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1064 if ( saved_colors ) { |
| 0 | 1065 pal->colors = saved_colors; |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1066 } |
| 0 | 1067 |
| 1068 /* Fall through to video surface update */ | |
| 1069 screen = SDL_VideoSurface; | |
| 1070 } | |
| 1071 if ( screen == SDL_VideoSurface ) { | |
| 1072 /* Update the video surface */ | |
| 1073 if ( screen->offset ) { | |
| 1074 for ( i=0; i<numrects; ++i ) { | |
| 1075 rects[i].x += video->offset_x; | |
| 1076 rects[i].y += video->offset_y; | |
| 1077 } | |
| 1078 video->UpdateRects(this, numrects, rects); | |
| 1079 for ( i=0; i<numrects; ++i ) { | |
| 1080 rects[i].x -= video->offset_x; | |
| 1081 rects[i].y -= video->offset_y; | |
| 1082 } | |
| 1083 } else { | |
| 1084 video->UpdateRects(this, numrects, rects); | |
| 1085 } | |
| 1086 } | |
| 1087 } | |
| 1088 | |
| 1089 /* | |
| 1090 * Performs hardware double buffering, if possible, or a full update if not. | |
| 1091 */ | |
| 1092 int SDL_Flip(SDL_Surface *screen) | |
| 1093 { | |
| 1094 SDL_VideoDevice *video = current_video; | |
| 1095 /* Copy the shadow surface to the video surface */ | |
| 1096 if ( screen == SDL_ShadowSurface ) { | |
| 1097 SDL_Rect rect; | |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1098 SDL_Palette *pal = screen->format->palette; |
| 0 | 1099 SDL_Color *saved_colors = NULL; |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1100 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) { |
| 0 | 1101 /* simulated 8bpp, use correct physical palette */ |
| 1102 saved_colors = pal->colors; | |
| 1103 if ( video->gammacols ) { | |
| 1104 /* gamma-corrected palette */ | |
| 1105 pal->colors = video->gammacols; | |
| 1106 } else if ( video->physpal ) { | |
| 1107 /* physical palette different from logical */ | |
| 1108 pal->colors = video->physpal->colors; | |
| 1109 } | |
| 1110 } | |
| 1111 | |
| 1112 rect.x = 0; | |
| 1113 rect.y = 0; | |
| 1114 rect.w = screen->w; | |
| 1115 rect.h = screen->h; | |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1116 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) { |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1117 SDL_LockCursor(); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1118 SDL_DrawCursor(SDL_ShadowSurface); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1119 SDL_LowerBlit(SDL_ShadowSurface, &rect, |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1120 SDL_VideoSurface, &rect); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1121 SDL_EraseCursor(SDL_ShadowSurface); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1122 SDL_UnlockCursor(); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1123 } else { |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1124 SDL_LowerBlit(SDL_ShadowSurface, &rect, |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1125 SDL_VideoSurface, &rect); |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1126 } |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1127 if ( saved_colors ) { |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1128 pal->colors = saved_colors; |
|
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1129 } |
| 0 | 1130 |
|
488
0a111805b53a
Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents:
460
diff
changeset
|
1131 /* Fall through to video surface update */ |
| 0 | 1132 screen = SDL_VideoSurface; |
| 1133 } | |
| 1134 if ( (screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) { | |
| 1135 SDL_VideoDevice *this = current_video; | |
| 1136 return(video->FlipHWSurface(this, SDL_VideoSurface)); | |
| 1137 } else { | |
| 1138 SDL_UpdateRect(screen, 0, 0, 0, 0); | |
| 1139 } | |
| 1140 return(0); | |
| 1141 } | |
| 1142 | |
| 1143 static void SetPalette_logical(SDL_Surface *screen, SDL_Color *colors, | |
| 1144 int firstcolor, int ncolors) | |
| 1145 { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1146 SDL_Palette *pal = screen->format->palette; |
| 0 | 1147 SDL_Palette *vidpal; |
| 1148 | |
| 1149 if ( colors != (pal->colors + firstcolor) ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1150 SDL_memcpy(pal->colors + firstcolor, colors, |
| 0 | 1151 ncolors * sizeof(*colors)); |
| 1152 } | |
| 1153 | |
| 3995 | 1154 if ( current_video && SDL_VideoSurface ) { |
| 1155 vidpal = SDL_VideoSurface->format->palette; | |
| 1156 if ( (screen == SDL_ShadowSurface) && vidpal ) { | |
| 1157 /* | |
| 1158 * This is a shadow surface, and the physical | |
| 1159 * framebuffer is also indexed. Propagate the | |
| 1160 * changes to its logical palette so that | |
| 1161 * updates are always identity blits | |
| 1162 */ | |
| 1163 SDL_memcpy(vidpal->colors + firstcolor, colors, | |
| 1164 ncolors * sizeof(*colors)); | |
| 1165 } | |
| 0 | 1166 } |
| 1167 SDL_FormatChanged(screen); | |
| 1168 } | |
| 1169 | |
| 1170 static int SetPalette_physical(SDL_Surface *screen, | |
| 1171 SDL_Color *colors, int firstcolor, int ncolors) | |
| 1172 { | |
| 1173 SDL_VideoDevice *video = current_video; | |
| 1174 int gotall = 1; | |
| 1175 | |
| 1176 if ( video->physpal ) { | |
| 1177 /* We need to copy the new colors, since we haven't | |
| 1178 * already done the copy in the logical set above. | |
| 1179 */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1180 SDL_memcpy(video->physpal->colors + firstcolor, |
| 0 | 1181 colors, ncolors * sizeof(*colors)); |
| 1182 } | |
| 1183 if ( screen == SDL_ShadowSurface ) { | |
| 1184 if ( SDL_VideoSurface->flags & SDL_HWPALETTE ) { | |
| 1185 /* | |
| 1186 * The real screen is also indexed - set its physical | |
| 1187 * palette. The physical palette does not include the | |
| 1188 * gamma modification, we apply it directly instead, | |
| 1189 * but this only happens if we have hardware palette. | |
| 1190 */ | |
| 1191 screen = SDL_VideoSurface; | |
| 1192 } else { | |
| 1193 /* | |
| 1194 * The video surface is not indexed - invalidate any | |
| 1195 * active shadow-to-video blit mappings. | |
| 1196 */ | |
| 1197 if ( screen->map->dst == SDL_VideoSurface ) { | |
| 1198 SDL_InvalidateMap(screen->map); | |
| 1199 } | |
| 1200 if ( video->gamma ) { | |
| 1201 if( ! video->gammacols ) { | |
| 1202 SDL_Palette *pp = video->physpal; | |
| 1203 if(!pp) | |
| 1204 pp = screen->format->palette; | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1205 video->gammacols = SDL_malloc(pp->ncolors |
| 0 | 1206 * sizeof(SDL_Color)); |
| 1207 SDL_ApplyGamma(video->gamma, | |
| 1208 pp->colors, | |
| 1209 video->gammacols, | |
| 1210 pp->ncolors); | |
| 1211 } else { | |
| 1212 SDL_ApplyGamma(video->gamma, colors, | |
| 1213 video->gammacols | |
| 1214 + firstcolor, | |
| 1215 ncolors); | |
| 1216 } | |
| 1217 } | |
| 1218 SDL_UpdateRect(screen, 0, 0, 0, 0); | |
| 1219 } | |
| 1220 } | |
| 1221 | |
| 1222 if ( screen == SDL_VideoSurface ) { | |
| 1223 SDL_Color gcolors[256]; | |
| 1224 | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1225 if ( video->gamma ) { |
|
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1226 SDL_ApplyGamma(video->gamma, colors, gcolors, ncolors); |
| 0 | 1227 colors = gcolors; |
| 1228 } | |
| 1229 gotall = video->SetColors(video, firstcolor, ncolors, colors); | |
| 1230 if ( ! gotall ) { | |
| 1231 /* The video flags shouldn't have SDL_HWPALETTE, and | |
| 1232 the video driver is responsible for copying back the | |
| 1233 correct colors into the video surface palette. | |
| 1234 */ | |
| 1235 ; | |
| 1236 } | |
| 1237 SDL_CursorPaletteChanged(); | |
| 1238 } | |
| 1239 return gotall; | |
| 1240 } | |
| 1241 | |
| 1242 /* | |
| 1243 * Set the physical and/or logical colormap of a surface: | |
| 1244 * Only the screen has a physical colormap. It determines what is actually | |
| 1245 * sent to the display. | |
| 1246 * The logical colormap is used to map blits to/from the surface. | |
| 1247 * 'which' is one or both of SDL_LOGPAL, SDL_PHYSPAL | |
| 1248 * | |
| 1249 * Return nonzero if all colours were set as requested, or 0 otherwise. | |
| 1250 */ | |
| 1251 int SDL_SetPalette(SDL_Surface *screen, int which, | |
| 1252 SDL_Color *colors, int firstcolor, int ncolors) | |
| 1253 { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1254 SDL_Palette *pal; |
| 0 | 1255 int gotall; |
| 1256 int palsize; | |
| 1257 | |
| 3995 | 1258 if ( !screen ) { |
| 34 | 1259 return 0; |
| 1260 } | |
| 3995 | 1261 if ( !current_video || screen != SDL_PublicSurface ) { |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1262 /* only screens have physical palettes */ |
|
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1263 which &= ~SDL_PHYSPAL; |
| 3995 | 1264 } else if ( (screen->flags & SDL_HWPALETTE) != SDL_HWPALETTE ) { |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1265 /* hardware palettes required for split colormaps */ |
|
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1266 which |= SDL_PHYSPAL | SDL_LOGPAL; |
| 0 | 1267 } |
| 1268 | |
| 1269 /* Verify the parameters */ | |
| 1270 pal = screen->format->palette; | |
| 1271 if( !pal ) { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1272 return 0; /* not a palettized surface */ |
| 0 | 1273 } |
| 1274 gotall = 1; | |
| 1275 palsize = 1 << screen->format->BitsPerPixel; | |
| 1276 if ( ncolors > (palsize - firstcolor) ) { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1277 ncolors = (palsize - firstcolor); |
| 0 | 1278 gotall = 0; |
| 1279 } | |
| 1280 | |
| 1281 if ( which & SDL_LOGPAL ) { | |
| 1282 /* | |
| 1283 * Logical palette change: The actual screen isn't affected, | |
| 1284 * but the internal colormap is altered so that the | |
| 1285 * interpretation of the pixel values (for blits etc) is | |
| 1286 * changed. | |
| 1287 */ | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1288 SetPalette_logical(screen, colors, firstcolor, ncolors); |
| 0 | 1289 } |
| 1290 if ( which & SDL_PHYSPAL ) { | |
| 1291 SDL_VideoDevice *video = current_video; | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1292 /* |
| 0 | 1293 * Physical palette change: This doesn't affect the |
| 1294 * program's idea of what the screen looks like, but changes | |
| 1295 * its actual appearance. | |
| 1296 */ | |
| 3995 | 1297 if ( !video->physpal && !(which & SDL_LOGPAL) ) { |
| 0 | 1298 /* Lazy physical palette allocation */ |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1299 int size; |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1300 SDL_Palette *pp = SDL_malloc(sizeof(*pp)); |
|
944
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1301 if ( !pp ) { |
|
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1302 return 0; |
|
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1303 } |
| 3995 | 1304 video->physpal = pp; |
| 0 | 1305 pp->ncolors = pal->ncolors; |
| 1306 size = pp->ncolors * sizeof(SDL_Color); | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1307 pp->colors = SDL_malloc(size); |
|
944
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1308 if ( !pp->colors ) { |
|
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1309 return 0; |
|
cdea7cbc3e23
Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents:
916
diff
changeset
|
1310 } |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1311 SDL_memcpy(pp->colors, pal->colors, size); |
| 0 | 1312 } |
| 1313 if ( ! SetPalette_physical(screen, | |
| 1314 colors, firstcolor, ncolors) ) { | |
| 1315 gotall = 0; | |
| 1316 } | |
| 1317 } | |
| 1318 return gotall; | |
| 1319 } | |
| 1320 | |
| 1321 int SDL_SetColors(SDL_Surface *screen, SDL_Color *colors, int firstcolor, | |
| 1322 int ncolors) | |
| 1323 { | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1324 return SDL_SetPalette(screen, SDL_LOGPAL | SDL_PHYSPAL, |
| 0 | 1325 colors, firstcolor, ncolors); |
| 1326 } | |
| 1327 | |
| 1328 /* | |
| 1329 * Clean up the video subsystem | |
| 1330 */ | |
| 1331 void SDL_VideoQuit (void) | |
| 1332 { | |
| 1333 SDL_Surface *ready_to_go; | |
| 1334 | |
| 1335 if ( current_video ) { | |
| 1336 SDL_VideoDevice *video = current_video; | |
| 1337 SDL_VideoDevice *this = current_video; | |
| 1338 | |
| 1339 /* Halt event processing before doing anything else */ | |
| 1340 SDL_StopEventLoop(); | |
| 1341 | |
| 1342 /* Clean up allocated window manager items */ | |
| 1343 if ( SDL_PublicSurface ) { | |
| 1344 SDL_PublicSurface = NULL; | |
| 1345 } | |
| 1346 SDL_CursorQuit(); | |
| 1347 | |
| 1348 /* Just in case... */ | |
| 1349 SDL_WM_GrabInputOff(); | |
| 1350 | |
| 1351 /* Clean up the system video */ | |
| 1352 video->VideoQuit(this); | |
| 1353 | |
| 1354 /* Free any lingering surfaces */ | |
| 1355 ready_to_go = SDL_ShadowSurface; | |
| 1356 SDL_ShadowSurface = NULL; | |
| 1357 SDL_FreeSurface(ready_to_go); | |
| 1358 if ( SDL_VideoSurface != NULL ) { | |
| 1359 ready_to_go = SDL_VideoSurface; | |
| 1360 SDL_VideoSurface = NULL; | |
| 1361 SDL_FreeSurface(ready_to_go); | |
| 1362 } | |
| 1363 SDL_PublicSurface = NULL; | |
| 1364 | |
| 1365 /* Clean up miscellaneous memory */ | |
| 1366 if ( video->physpal ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1367 SDL_free(video->physpal->colors); |
|
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1368 SDL_free(video->physpal); |
| 0 | 1369 video->physpal = NULL; |
| 1370 } | |
| 1371 if ( video->gammacols ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1372 SDL_free(video->gammacols); |
| 0 | 1373 video->gammacols = NULL; |
| 1374 } | |
| 1375 if ( video->gamma ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1376 SDL_free(video->gamma); |
| 0 | 1377 video->gamma = NULL; |
| 1378 } | |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1379 if ( video->wm_title != NULL ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1380 SDL_free(video->wm_title); |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1381 video->wm_title = NULL; |
| 0 | 1382 } |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1383 if ( video->wm_icon != NULL ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1384 SDL_free(video->wm_icon); |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1385 video->wm_icon = NULL; |
| 0 | 1386 } |
| 1387 | |
| 1388 /* Finish cleaning up video subsystem */ | |
| 1389 video->free(this); | |
| 1390 current_video = NULL; | |
| 1391 } | |
| 1392 return; | |
| 1393 } | |
| 1394 | |
| 1395 /* Load the GL driver library */ | |
| 1396 int SDL_GL_LoadLibrary(const char *path) | |
| 1397 { | |
| 1398 SDL_VideoDevice *video = current_video; | |
| 1399 SDL_VideoDevice *this = current_video; | |
| 1400 int retval; | |
| 1401 | |
| 1402 retval = -1; | |
|
423
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1403 if ( video == NULL ) { |
|
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1404 SDL_SetError("Video subsystem has not been initialized"); |
| 0 | 1405 } else { |
|
423
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1406 if ( video->GL_LoadLibrary ) { |
|
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1407 retval = video->GL_LoadLibrary(this, path); |
|
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1408 } else { |
|
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1409 SDL_SetError("No dynamic GL support in video driver"); |
|
d1565c52ded5
More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents:
371
diff
changeset
|
1410 } |
| 0 | 1411 } |
| 1412 return(retval); | |
| 1413 } | |
| 1414 | |
| 1415 void *SDL_GL_GetProcAddress(const char* proc) | |
| 1416 { | |
| 1417 SDL_VideoDevice *video = current_video; | |
| 1418 SDL_VideoDevice *this = current_video; | |
| 1419 void *func; | |
| 1420 | |
| 1421 func = NULL; | |
| 1422 if ( video->GL_GetProcAddress ) { | |
| 1423 if ( video->gl_config.driver_loaded ) { | |
| 1424 func = video->GL_GetProcAddress(this, proc); | |
| 1425 } else { | |
| 1426 SDL_SetError("No GL driver has been loaded"); | |
| 1427 } | |
| 1428 } else { | |
| 1429 SDL_SetError("No dynamic GL support in video driver"); | |
| 1430 } | |
| 1431 return func; | |
| 1432 } | |
| 1433 | |
| 1434 /* Set the specified GL attribute for setting up a GL video mode */ | |
| 1435 int SDL_GL_SetAttribute( SDL_GLattr attr, int value ) | |
| 1436 { | |
| 1437 int retval; | |
| 1438 SDL_VideoDevice *video = current_video; | |
| 1439 | |
| 1440 retval = 0; | |
| 1441 switch (attr) { | |
| 1442 case SDL_GL_RED_SIZE: | |
| 1443 video->gl_config.red_size = value; | |
| 1444 break; | |
| 1445 case SDL_GL_GREEN_SIZE: | |
| 1446 video->gl_config.green_size = value; | |
| 1447 break; | |
| 1448 case SDL_GL_BLUE_SIZE: | |
| 1449 video->gl_config.blue_size = value; | |
| 1450 break; | |
| 1451 case SDL_GL_ALPHA_SIZE: | |
| 1452 video->gl_config.alpha_size = value; | |
| 1453 break; | |
| 1454 case SDL_GL_DOUBLEBUFFER: | |
| 1455 video->gl_config.double_buffer = value; | |
| 1456 break; | |
|
662
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1457 case SDL_GL_BUFFER_SIZE: |
|
66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
1458 video->gl_config.buffer_size = value; |
| 0 | 1459 break; |
| 1460 case SDL_GL_DEPTH_SIZE: | |
| 1461 video->gl_config.depth_size = value; | |
| 1462 break; | |
| 1463 case SDL_GL_STENCIL_SIZE: | |
| 1464 video->gl_config.stencil_size = value; | |
| 1465 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1466 case SDL_GL_ACCUM_RED_SIZE: |
| 0 | 1467 video->gl_config.accum_red_size = value; |
| 1468 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1469 case SDL_GL_ACCUM_GREEN_SIZE: |
| 0 | 1470 video->gl_config.accum_green_size = value; |
| 1471 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1472 case SDL_GL_ACCUM_BLUE_SIZE: |
| 0 | 1473 video->gl_config.accum_blue_size = value; |
| 1474 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1475 case SDL_GL_ACCUM_ALPHA_SIZE: |
| 0 | 1476 video->gl_config.accum_alpha_size = value; |
| 1477 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1478 case SDL_GL_STEREO: |
|
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1479 video->gl_config.stereo = value; |
|
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
433
diff
changeset
|
1480 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
1481 case SDL_GL_MULTISAMPLEBUFFERS: |
|
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
1482 video->gl_config.multisamplebuffers = value; |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
650
diff
changeset
|
1483 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
1484 case SDL_GL_MULTISAMPLESAMPLES: |
|
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
1485 video->gl_config.multisamplesamples = value; |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
650
diff
changeset
|
1486 break; |
| 1737 | 1487 case SDL_GL_ACCELERATED_VISUAL: |
| 1488 video->gl_config.accelerated = value; | |
| 1489 break; | |
|
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1545
diff
changeset
|
1490 case SDL_GL_SWAP_CONTROL: |
|
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1545
diff
changeset
|
1491 video->gl_config.swap_control = value; |
|
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1545
diff
changeset
|
1492 break; |
| 0 | 1493 default: |
| 1494 SDL_SetError("Unknown OpenGL attribute"); | |
| 1495 retval = -1; | |
| 1496 break; | |
| 1497 } | |
| 1498 return(retval); | |
| 1499 } | |
| 1500 | |
| 1501 /* Retrieve an attribute value from the windowing system. */ | |
| 1502 int SDL_GL_GetAttribute(SDL_GLattr attr, int* value) | |
| 1503 { | |
| 1504 int retval = -1; | |
| 1505 SDL_VideoDevice* video = current_video; | |
| 1506 SDL_VideoDevice* this = current_video; | |
| 1507 | |
| 1508 if ( video->GL_GetAttribute ) { | |
| 1509 retval = this->GL_GetAttribute(this, attr, value); | |
|
11
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1510 } else { |
|
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1511 *value = 0; |
|
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1512 SDL_SetError("GL_GetAttribute not supported"); |
| 0 | 1513 } |
| 1514 return retval; | |
| 1515 } | |
| 1516 | |
| 1517 /* Perform a GL buffer swap on the current GL context */ | |
| 1518 void SDL_GL_SwapBuffers(void) | |
| 1519 { | |
| 1520 SDL_VideoDevice *video = current_video; | |
| 1521 SDL_VideoDevice *this = current_video; | |
| 1522 | |
| 1523 if ( video->screen->flags & SDL_OPENGL ) { | |
|
266
c6abdda2f666
Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
1524 video->GL_SwapBuffers(this); |
|
c6abdda2f666
Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
1525 } else { |
|
c6abdda2f666
Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
1526 SDL_SetError("OpenGL video mode has not been set"); |
| 0 | 1527 } |
| 1528 } | |
| 1529 | |
| 1530 /* Update rects with locking */ | |
| 1531 void SDL_GL_UpdateRectsLock(SDL_VideoDevice* this, int numrects, SDL_Rect *rects) | |
| 1532 { | |
| 1533 SDL_GL_Lock(); | |
| 1534 SDL_GL_UpdateRects(numrects, rects); | |
| 1535 SDL_GL_Unlock(); | |
| 1536 } | |
| 1537 | |
| 1538 /* Update rects without state setting and changing (the caller is responsible for it) */ | |
| 1539 void SDL_GL_UpdateRects(int numrects, SDL_Rect *rects) | |
| 1540 { | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1541 #if SDL_VIDEO_OPENGL |
| 0 | 1542 SDL_VideoDevice *this = current_video; |
| 1543 SDL_Rect update, tmp; | |
| 1544 int x, y, i; | |
| 1545 | |
| 1546 for ( i = 0; i < numrects; i++ ) | |
| 1547 { | |
| 1548 tmp.y = rects[i].y; | |
| 1549 tmp.h = rects[i].h; | |
| 1550 for ( y = 0; y <= rects[i].h / 256; y++ ) | |
| 1551 { | |
| 1552 tmp.x = rects[i].x; | |
| 1553 tmp.w = rects[i].w; | |
| 1554 for ( x = 0; x <= rects[i].w / 256; x++ ) | |
| 1555 { | |
| 1556 update.x = tmp.x; | |
| 1557 update.y = tmp.y; | |
| 1558 update.w = tmp.w; | |
| 1559 update.h = tmp.h; | |
| 1560 | |
| 1561 if ( update.w > 256 ) | |
| 1562 update.w = 256; | |
| 1563 | |
| 1564 if ( update.h > 256 ) | |
| 1565 update.h = 256; | |
| 1566 | |
| 1567 this->glFlush(); | |
| 1568 this->glTexSubImage2D( | |
| 1569 GL_TEXTURE_2D, | |
| 1570 0, | |
| 1571 0, | |
| 1572 0, | |
| 1573 update.w, | |
| 1574 update.h, | |
| 1575 this->is_32bit? GL_RGBA : GL_RGB, | |
| 1576 #ifdef GL_VERSION_1_2 | |
| 1577 this->is_32bit ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT_5_6_5, | |
| 1578 #else | |
| 1579 GL_UNSIGNED_BYTE, | |
| 1580 #endif | |
| 1581 (Uint8 *)this->screen->pixels + | |
| 1582 this->screen->format->BytesPerPixel * update.x + | |
| 1583 update.y * this->screen->pitch ); | |
| 1584 | |
| 1585 this->glFlush(); | |
| 1586 /* | |
| 1587 * Note the parens around the function name: | |
| 1588 * This is because some OpenGL implementations define glTexCoord etc | |
| 1589 * as macros, and we don't want them expanded here. | |
| 1590 */ | |
| 1591 this->glBegin(GL_TRIANGLE_STRIP); | |
| 1592 (this->glTexCoord2f)( 0.0, 0.0 ); | |
| 1593 (this->glVertex2i)( update.x, update.y ); | |
| 1594 (this->glTexCoord2f)( (float)(update.w / 256.0), 0.0 ); | |
| 1595 (this->glVertex2i)( update.x + update.w, update.y ); | |
| 1596 (this->glTexCoord2f)( 0.0, (float)(update.h / 256.0) ); | |
| 1597 (this->glVertex2i)( update.x, update.y + update.h ); | |
| 1598 (this->glTexCoord2f)( (float)(update.w / 256.0), (float)(update.h / 256.0) ); | |
| 1599 (this->glVertex2i)( update.x + update.w , update.y + update.h ); | |
| 1600 this->glEnd(); | |
| 1601 | |
| 1602 tmp.x += 256; | |
| 1603 tmp.w -= 256; | |
| 1604 } | |
| 1605 tmp.y += 256; | |
| 1606 tmp.h -= 256; | |
| 1607 } | |
| 1608 } | |
| 1609 #endif | |
| 1610 } | |
| 1611 | |
| 1612 /* Lock == save current state */ | |
| 1613 void SDL_GL_Lock() | |
| 1614 { | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1615 #if SDL_VIDEO_OPENGL |
| 0 | 1616 lock_count--; |
| 1617 if (lock_count==-1) | |
| 1618 { | |
| 1619 SDL_VideoDevice *this = current_video; | |
| 1620 | |
| 1621 this->glPushAttrib( GL_ALL_ATTRIB_BITS ); /* TODO: narrow range of what is saved */ | |
|
125
0ae324925dd7
Fix build when GL_CLIENT_PIXEL_STORE_BIT is not defined
Sam Lantinga <slouken@libsdl.org>
parents:
75
diff
changeset
|
1622 #ifdef GL_CLIENT_PIXEL_STORE_BIT |
| 0 | 1623 this->glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT ); |
|
125
0ae324925dd7
Fix build when GL_CLIENT_PIXEL_STORE_BIT is not defined
Sam Lantinga <slouken@libsdl.org>
parents:
75
diff
changeset
|
1624 #endif |
| 0 | 1625 |
| 1626 this->glEnable(GL_TEXTURE_2D); | |
| 1627 this->glEnable(GL_BLEND); | |
| 1628 this->glDisable(GL_FOG); | |
| 1629 this->glDisable(GL_ALPHA_TEST); | |
| 1630 this->glDisable(GL_DEPTH_TEST); | |
| 1631 this->glDisable(GL_SCISSOR_TEST); | |
| 1632 this->glDisable(GL_STENCIL_TEST); | |
| 1633 this->glDisable(GL_CULL_FACE); | |
| 1634 | |
| 1635 this->glBindTexture( GL_TEXTURE_2D, this->texture ); | |
| 1636 this->glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ); | |
| 1637 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); | |
| 1638 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); | |
| 1639 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); | |
| 1640 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ); | |
| 1641 | |
| 1642 this->glPixelStorei( GL_UNPACK_ROW_LENGTH, this->screen->pitch / this->screen->format->BytesPerPixel ); | |
| 1643 this->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
| 1644 (this->glColor4f)(1.0, 1.0, 1.0, 1.0); /* Solaris workaround */ | |
| 1645 | |
| 1646 this->glViewport(0, 0, this->screen->w, this->screen->h); | |
| 1647 this->glMatrixMode(GL_PROJECTION); | |
| 1648 this->glPushMatrix(); | |
| 1649 this->glLoadIdentity(); | |
| 1650 | |
| 1651 this->glOrtho(0.0, (GLdouble) this->screen->w, (GLdouble) this->screen->h, 0.0, 0.0, 1.0); | |
| 1652 | |
| 1653 this->glMatrixMode(GL_MODELVIEW); | |
| 1654 this->glPushMatrix(); | |
| 1655 this->glLoadIdentity(); | |
| 1656 } | |
| 1657 #endif | |
| 1658 } | |
| 1659 | |
| 1660 /* Unlock == restore saved state */ | |
| 1661 void SDL_GL_Unlock() | |
| 1662 { | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1663 #if SDL_VIDEO_OPENGL |
| 0 | 1664 lock_count++; |
| 1665 if (lock_count==0) | |
| 1666 { | |
| 1667 SDL_VideoDevice *this = current_video; | |
| 1668 | |
| 1669 this->glPopMatrix(); | |
| 1670 this->glMatrixMode(GL_PROJECTION); | |
| 1671 this->glPopMatrix(); | |
| 1672 | |
| 1673 this->glPopClientAttrib(); | |
| 1674 this->glPopAttrib(); | |
| 1675 } | |
| 1676 #endif | |
| 1677 } | |
| 1678 | |
| 1679 /* | |
| 1680 * Sets/Gets the title and icon text of the display window, if any. | |
| 1681 */ | |
| 1682 void SDL_WM_SetCaption (const char *title, const char *icon) | |
| 1683 { | |
| 1684 SDL_VideoDevice *video = current_video; | |
| 1685 SDL_VideoDevice *this = current_video; | |
| 1686 | |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1687 if ( video ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1688 if ( title ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1689 if ( video->wm_title ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1690 SDL_free(video->wm_title); |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1691 } |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
1692 video->wm_title = SDL_strdup(title); |
| 0 | 1693 } |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1694 if ( icon ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1695 if ( video->wm_icon ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1696 SDL_free(video->wm_icon); |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1697 } |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
1698 video->wm_icon = SDL_strdup(icon); |
| 0 | 1699 } |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1700 if ( (title || icon) && (video->SetCaption != NULL) ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1701 video->SetCaption(this, video->wm_title,video->wm_icon); |
| 0 | 1702 } |
| 1703 } | |
| 1704 } | |
| 1705 void SDL_WM_GetCaption (char **title, char **icon) | |
| 1706 { | |
|
58
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1707 SDL_VideoDevice *video = current_video; |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1708 |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1709 if ( video ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1710 if ( title ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1711 *title = video->wm_title; |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1712 } |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1713 if ( icon ) { |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1714 *icon = video->wm_icon; |
|
bd6b0a910a65
* Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents:
47
diff
changeset
|
1715 } |
| 0 | 1716 } |
| 1717 } | |
| 1718 | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1719 /* Utility function used by SDL_WM_SetIcon(); |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1720 * flags & 1 for color key, flags & 2 for alpha channel. */ |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1721 static void CreateMaskFromColorKeyOrAlpha(SDL_Surface *icon, Uint8 *mask, int flags) |
| 0 | 1722 { |
| 1723 int x, y; | |
| 1724 Uint32 colorkey; | |
| 1725 #define SET_MASKBIT(icon, x, y, mask) \ | |
| 1726 mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8))) | |
| 1727 | |
| 1728 colorkey = icon->format->colorkey; | |
| 1729 switch (icon->format->BytesPerPixel) { | |
| 1730 case 1: { Uint8 *pixels; | |
| 1731 for ( y=0; y<icon->h; ++y ) { | |
| 1732 pixels = (Uint8 *)icon->pixels + y*icon->pitch; | |
| 1733 for ( x=0; x<icon->w; ++x ) { | |
| 1734 if ( *pixels++ == colorkey ) { | |
| 1735 SET_MASKBIT(icon, x, y, mask); | |
| 1736 } | |
| 1737 } | |
| 1738 } | |
| 1739 } | |
| 1740 break; | |
| 1741 | |
| 1742 case 2: { Uint16 *pixels; | |
| 1743 for ( y=0; y<icon->h; ++y ) { | |
| 1744 pixels = (Uint16 *)icon->pixels + | |
| 1745 y*icon->pitch/2; | |
| 1746 for ( x=0; x<icon->w; ++x ) { | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1747 if ( (flags & 1) && *pixels == colorkey ) { |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1748 SET_MASKBIT(icon, x, y, mask); |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1749 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) { |
| 0 | 1750 SET_MASKBIT(icon, x, y, mask); |
| 1751 } | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1752 pixels++; |
| 0 | 1753 } |
| 1754 } | |
| 1755 } | |
| 1756 break; | |
| 1757 | |
| 1758 case 4: { Uint32 *pixels; | |
| 1759 for ( y=0; y<icon->h; ++y ) { | |
| 1760 pixels = (Uint32 *)icon->pixels + | |
| 1761 y*icon->pitch/4; | |
| 1762 for ( x=0; x<icon->w; ++x ) { | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1763 if ( (flags & 1) && *pixels == colorkey ) { |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1764 SET_MASKBIT(icon, x, y, mask); |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1765 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) { |
| 0 | 1766 SET_MASKBIT(icon, x, y, mask); |
| 1767 } | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1768 pixels++; |
| 0 | 1769 } |
| 1770 } | |
| 1771 } | |
| 1772 break; | |
| 1773 } | |
| 1774 } | |
| 1775 | |
| 1776 /* | |
| 1777 * Sets the window manager icon for the display window. | |
| 1778 */ | |
| 1779 void SDL_WM_SetIcon (SDL_Surface *icon, Uint8 *mask) | |
| 1780 { | |
| 1781 SDL_VideoDevice *video = current_video; | |
| 1782 SDL_VideoDevice *this = current_video; | |
| 1783 | |
| 1784 if ( icon && video->SetIcon ) { | |
| 1785 /* Generate a mask if necessary, and create the icon! */ | |
| 1786 if ( mask == NULL ) { | |
| 1787 int mask_len = icon->h*(icon->w+7)/8; | |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1788 int flags = 0; |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1789 mask = (Uint8 *)SDL_malloc(mask_len); |
| 0 | 1790 if ( mask == NULL ) { |
| 1791 return; | |
| 1792 } | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1793 SDL_memset(mask, ~0, mask_len); |
|
541
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1794 if ( icon->flags & SDL_SRCCOLORKEY ) flags |= 1; |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1795 if ( icon->flags & SDL_SRCALPHA ) flags |= 2; |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1796 if( flags ) { |
|
796f2fe699be
Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
1797 CreateMaskFromColorKeyOrAlpha(icon, mask, flags); |
| 0 | 1798 } |
| 1799 video->SetIcon(video, icon, mask); | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
1800 SDL_free(mask); |
| 0 | 1801 } else { |
| 1802 video->SetIcon(this, icon, mask); | |
| 1803 } | |
| 1804 } | |
| 1805 } | |
| 1806 | |
| 1807 /* | |
| 1808 * Grab or ungrab the keyboard and mouse input. | |
| 1809 * This function returns the final grab mode after calling the | |
| 1810 * driver dependent function. | |
| 1811 */ | |
| 1812 static SDL_GrabMode SDL_WM_GrabInputRaw(SDL_GrabMode mode) | |
| 1813 { | |
| 1814 SDL_VideoDevice *video = current_video; | |
| 1815 SDL_VideoDevice *this = current_video; | |
| 1816 | |
| 1817 /* Only do something if we have support for grabs */ | |
| 1818 if ( video->GrabInput == NULL ) { | |
| 1819 return(video->input_grab); | |
| 1820 } | |
| 1821 | |
| 1822 /* If the final grab mode if off, only then do we actually grab */ | |
| 1823 #ifdef DEBUG_GRAB | |
| 1824 printf("SDL_WM_GrabInputRaw(%d) ... ", mode); | |
| 1825 #endif | |
| 1826 if ( mode == SDL_GRAB_OFF ) { | |
| 1827 if ( video->input_grab != SDL_GRAB_OFF ) { | |
| 1828 mode = video->GrabInput(this, mode); | |
| 1829 } | |
| 1830 } else { | |
| 1831 if ( video->input_grab == SDL_GRAB_OFF ) { | |
| 1832 mode = video->GrabInput(this, mode); | |
| 1833 } | |
| 1834 } | |
| 1835 if ( mode != video->input_grab ) { | |
| 1836 video->input_grab = mode; | |
| 1837 if ( video->CheckMouseMode ) { | |
| 1838 video->CheckMouseMode(this); | |
| 1839 } | |
| 1840 } | |
| 1841 #ifdef DEBUG_GRAB | |
| 1842 printf("Final mode %d\n", video->input_grab); | |
| 1843 #endif | |
| 1844 | |
| 1845 /* Return the final grab state */ | |
| 1846 if ( mode >= SDL_GRAB_FULLSCREEN ) { | |
| 1847 mode -= SDL_GRAB_FULLSCREEN; | |
| 1848 } | |
| 1849 return(mode); | |
| 1850 } | |
| 1851 SDL_GrabMode SDL_WM_GrabInput(SDL_GrabMode mode) | |
| 1852 { | |
| 1853 SDL_VideoDevice *video = current_video; | |
| 1854 | |
|
11
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1855 /* If the video isn't initialized yet, we can't do anything */ |
|
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1856 if ( ! video ) { |
|
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1857 return SDL_GRAB_OFF; |
|
7b94b6379341
*** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents:
7
diff
changeset
|
1858 } |
| 0 | 1859 |
| 1860 /* Return the current mode on query */ | |
| 1861 if ( mode == SDL_GRAB_QUERY ) { | |
| 1862 mode = video->input_grab; | |
| 1863 if ( mode >= SDL_GRAB_FULLSCREEN ) { | |
| 1864 mode -= SDL_GRAB_FULLSCREEN; | |
| 1865 } | |
| 1866 return(mode); | |
| 1867 } | |
| 1868 | |
| 1869 #ifdef DEBUG_GRAB | |
| 1870 printf("SDL_WM_GrabInput(%d) ... ", mode); | |
| 1871 #endif | |
| 1872 /* If the video surface is fullscreen, we always grab */ | |
| 1873 if ( mode >= SDL_GRAB_FULLSCREEN ) { | |
| 1874 mode -= SDL_GRAB_FULLSCREEN; | |
| 1875 } | |
| 1876 if ( SDL_VideoSurface && (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) { | |
| 1877 mode += SDL_GRAB_FULLSCREEN; | |
| 1878 } | |
| 1879 return(SDL_WM_GrabInputRaw(mode)); | |
| 1880 } | |
| 1881 static SDL_GrabMode SDL_WM_GrabInputOff(void) | |
| 1882 { | |
| 1883 SDL_GrabMode mode; | |
| 1884 | |
| 1885 /* First query the current grab state */ | |
| 1886 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 1887 | |
| 1888 /* Now explicitly turn off input grab */ | |
| 1889 SDL_WM_GrabInputRaw(SDL_GRAB_OFF); | |
| 1890 | |
| 1891 /* Return the old state */ | |
| 1892 return(mode); | |
| 1893 } | |
| 1894 | |
| 1895 /* | |
| 1896 * Iconify the window in window managed environments. | |
| 1897 * A successful iconification will result in an SDL_APPACTIVE loss event. | |
| 1898 */ | |
| 1899 int SDL_WM_IconifyWindow(void) | |
| 1900 { | |
| 1901 SDL_VideoDevice *video = current_video; | |
| 1902 SDL_VideoDevice *this = current_video; | |
| 1903 int retval; | |
| 1904 | |
| 1905 retval = 0; | |
| 1906 if ( video->IconifyWindow ) { | |
| 1907 retval = video->IconifyWindow(this); | |
| 1908 } | |
| 1909 return(retval); | |
| 1910 } | |
| 1911 | |
| 1912 /* | |
| 1913 * Toggle fullscreen mode | |
| 1914 */ | |
| 1915 int SDL_WM_ToggleFullScreen(SDL_Surface *surface) | |
| 1916 { | |
| 1917 SDL_VideoDevice *video = current_video; | |
| 1918 SDL_VideoDevice *this = current_video; | |
| 1919 int toggled; | |
| 1920 | |
| 1921 toggled = 0; | |
| 1922 if ( SDL_PublicSurface && (surface == SDL_PublicSurface) && | |
| 1923 video->ToggleFullScreen ) { | |
| 1924 if ( surface->flags & SDL_FULLSCREEN ) { | |
| 1925 toggled = video->ToggleFullScreen(this, 0); | |
| 1926 if ( toggled ) { | |
| 1927 SDL_VideoSurface->flags &= ~SDL_FULLSCREEN; | |
| 1928 SDL_PublicSurface->flags &= ~SDL_FULLSCREEN; | |
| 1929 } | |
| 1930 } else { | |
| 1931 toggled = video->ToggleFullScreen(this, 1); | |
| 1932 if ( toggled ) { | |
| 1933 SDL_VideoSurface->flags |= SDL_FULLSCREEN; | |
| 1934 SDL_PublicSurface->flags |= SDL_FULLSCREEN; | |
| 1935 } | |
| 1936 } | |
| 1937 /* Double-check the grab state inside SDL_WM_GrabInput() */ | |
| 1938 if ( toggled ) { | |
| 1939 SDL_WM_GrabInput(video->input_grab); | |
| 1940 } | |
| 1941 } | |
| 1942 return(toggled); | |
| 1943 } | |
| 1944 | |
| 1945 /* | |
| 1946 * Get some platform dependent window manager information | |
| 1947 */ | |
| 1948 int SDL_GetWMInfo (SDL_SysWMinfo *info) | |
| 1949 { | |
| 1950 SDL_VideoDevice *video = current_video; | |
| 1951 SDL_VideoDevice *this = current_video; | |
| 1952 | |
| 1953 if ( video && video->GetWMInfo ) { | |
| 1954 return(video->GetWMInfo(this, info)); | |
| 1955 } else { | |
| 1956 return(0); | |
| 1957 } | |
| 1958 } |