Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11gl.c @ 4269:60db3d01cb3a SDL-1.2
I just tested DGA mouse motion with X.org 1.6.0 and it's working fine,
with evdev and the G5 mouse. It's not creating a ton of events here.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 30 Sep 2009 04:49:57 +0000 |
parents | d48035d857d3 |
children | 91c458013850 |
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:
1247
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:
1247
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:
1247
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:
1247
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:
1247
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:
1247
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:
180
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:
1379
diff
changeset
|
22 #include "SDL_config.h" |
0 | 23 |
24 #include "SDL_x11video.h" | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
25 #include "../../events/SDL_events_c.h" |
0 | 26 #include "SDL_x11dga_c.h" |
27 #include "SDL_x11gl_c.h" | |
28 | |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
29 #if defined(__IRIX__) |
862
f7a8b0ca2ae3
IRIX doesn't have a GL library versioning system
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
30 /* IRIX doesn't have a GL library versioning system */ |
f7a8b0ca2ae3
IRIX doesn't have a GL library versioning system
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
31 #define DEFAULT_OPENGL "libGL.so" |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
32 #elif defined(__MACOSX__) |
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
33 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib" |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
34 #elif defined(__QNXNTO__) |
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
35 #define DEFAULT_OPENGL "libGL.so.3" |
4023
5ec68276e4de
Applied patch from OpenBSD ports package
Sam Lantinga <slouken@libsdl.org>
parents:
3940
diff
changeset
|
36 #elif defined(__OpenBSD__) |
5ec68276e4de
Applied patch from OpenBSD ports package
Sam Lantinga <slouken@libsdl.org>
parents:
3940
diff
changeset
|
37 #define DEFAULT_OPENGL "libGL.so.4.0" |
862
f7a8b0ca2ae3
IRIX doesn't have a GL library versioning system
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
38 #else |
0 | 39 #define DEFAULT_OPENGL "libGL.so.1" |
862
f7a8b0ca2ae3
IRIX doesn't have a GL library versioning system
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
40 #endif |
0 | 41 |
667
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
42 #ifndef GLX_ARB_multisample |
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
43 #define GLX_ARB_multisample |
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
44 #define GLX_SAMPLE_BUFFERS_ARB 100000 |
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
45 #define GLX_SAMPLES_ARB 100001 |
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
46 #endif |
adbed8d7a991
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
656
diff
changeset
|
47 |
4183
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
48 /* GLX_EXT_visual_rating stuff that might not be in the system headers... */ |
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
49 #ifndef GLX_VISUAL_CAVEAT_EXT |
1737 | 50 #define GLX_VISUAL_CAVEAT_EXT 0x20 |
4183
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
51 #endif |
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
52 #ifndef GLX_NONE_EXT |
1841
0495a8e98595
Use the correct parameter for GLX_VISUAL_CAVEAT_EXT
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
53 #define GLX_NONE_EXT 0x8000 |
4183
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
54 #endif |
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
55 #ifndef GLX_SLOW_VISUAL_EXT |
1737 | 56 #define GLX_SLOW_VISUAL_EXT 0x8001 |
4183
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
57 #endif |
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
58 #ifndef GLX_NON_CONFORMANT_VISUAL_EXT |
1737 | 59 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D |
60 #endif | |
61 | |
4183
39e748f251c6
Patched X11 code to compile on Mac OS X 10.6 SDK.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
62 |
1737 | 63 #if SDL_VIDEO_OPENGL_GLX |
64 static int glXExtensionSupported(_THIS, const char *extension) | |
65 { | |
66 const char *extensions; | |
67 const char *start; | |
68 const char *where, *terminator; | |
69 | |
70 /* Extension names should not have spaces. */ | |
71 where = SDL_strchr(extension, ' '); | |
72 if ( where || *extension == '\0' ) { | |
73 return 0; | |
74 } | |
75 | |
76 extensions = this->gl_data->glXQueryExtensionsString(GFX_Display,SDL_Screen); | |
77 /* It takes a bit of care to be fool-proof about parsing the | |
78 * OpenGL extensions string. Don't be fooled by sub-strings, etc. | |
79 */ | |
80 | |
81 start = extensions; | |
82 | |
83 for (;;) { | |
84 where = SDL_strstr(start, extension); | |
85 if (!where) break; | |
86 | |
87 terminator = where + strlen(extension); | |
88 if (where == start || *(where - 1) == ' ') | |
89 if (*terminator == ' ' || *terminator == '\0') return 1; | |
90 | |
91 start = terminator; | |
92 } | |
93 return 0; | |
94 } | |
95 #endif /* SDL_VIDEO_OPENGL_GLX */ | |
96 | |
0 | 97 XVisualInfo *X11_GL_GetVisual(_THIS) |
98 { | |
1361
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_OPENGL_GLX |
0 | 100 /* 64 seems nice. */ |
101 int attribs[64]; | |
102 int i; | |
103 | |
104 /* load the gl driver from a default path */ | |
105 if ( ! this->gl_config.driver_loaded ) { | |
106 /* no driver has been loaded, use default (ourselves) */ | |
107 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) { | |
108 return NULL; | |
109 } | |
110 } | |
111 | |
112 /* See if we already have a window which we must use */ | |
113 if ( SDL_windowid ) { | |
114 XWindowAttributes a; | |
115 XVisualInfo vi_in; | |
116 int out_count; | |
117 | |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
118 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
0 | 119 vi_in.screen = SDL_Screen; |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
120 vi_in.visualid = XVisualIDFromVisual(a.visual); |
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
121 glx_visualinfo = XGetVisualInfo(SDL_Display, |
0 | 122 VisualScreenMask|VisualIDMask, &vi_in, &out_count); |
123 return glx_visualinfo; | |
124 } | |
125 | |
126 /* Setup our GLX attributes according to the gl_config. */ | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
127 i = 0; |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
128 attribs[i++] = GLX_RGBA; |
0 | 129 attribs[i++] = GLX_RED_SIZE; |
130 attribs[i++] = this->gl_config.red_size; | |
131 attribs[i++] = GLX_GREEN_SIZE; | |
132 attribs[i++] = this->gl_config.green_size; | |
133 attribs[i++] = GLX_BLUE_SIZE; | |
134 attribs[i++] = this->gl_config.blue_size; | |
135 | |
136 if( this->gl_config.alpha_size ) { | |
137 attribs[i++] = GLX_ALPHA_SIZE; | |
138 attribs[i++] = this->gl_config.alpha_size; | |
139 } | |
140 | |
141 if( this->gl_config.buffer_size ) { | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
142 attribs[i++] = GLX_BUFFER_SIZE; |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
143 attribs[i++] = this->gl_config.buffer_size; |
0 | 144 } |
145 | |
146 if( this->gl_config.double_buffer ) { | |
147 attribs[i++] = GLX_DOUBLEBUFFER; | |
148 } | |
149 | |
150 attribs[i++] = GLX_DEPTH_SIZE; | |
151 attribs[i++] = this->gl_config.depth_size; | |
152 | |
153 if( this->gl_config.stencil_size ) { | |
154 attribs[i++] = GLX_STENCIL_SIZE; | |
155 attribs[i++] = this->gl_config.stencil_size; | |
156 } | |
157 | |
158 if( this->gl_config.accum_red_size ) { | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
159 attribs[i++] = GLX_ACCUM_RED_SIZE; |
0 | 160 attribs[i++] = this->gl_config.accum_red_size; |
161 } | |
162 | |
163 if( this->gl_config.accum_green_size ) { | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
164 attribs[i++] = GLX_ACCUM_GREEN_SIZE; |
0 | 165 attribs[i++] = this->gl_config.accum_green_size; |
166 } | |
167 | |
168 if( this->gl_config.accum_blue_size ) { | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
169 attribs[i++] = GLX_ACCUM_BLUE_SIZE; |
0 | 170 attribs[i++] = this->gl_config.accum_blue_size; |
171 } | |
172 | |
173 if( this->gl_config.accum_alpha_size ) { | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
174 attribs[i++] = GLX_ACCUM_ALPHA_SIZE; |
0 | 175 attribs[i++] = this->gl_config.accum_alpha_size; |
176 } | |
177 | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
178 if( this->gl_config.stereo ) { |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
179 attribs[i++] = GLX_STEREO; |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
180 } |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
181 |
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
|
182 if( this->gl_config.multisamplebuffers ) { |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
183 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB; |
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
|
184 attribs[i++] = this->gl_config.multisamplebuffers; |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
185 } |
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
186 |
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
|
187 if( this->gl_config.multisamplesamples ) { |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
188 attribs[i++] = GLX_SAMPLES_ARB; |
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
|
189 attribs[i++] = this->gl_config.multisamplesamples; |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
190 } |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
191 |
1737 | 192 if( this->gl_config.accelerated >= 0 && |
193 glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
194 attribs[i++] = GLX_VISUAL_CAVEAT_EXT; | |
1841
0495a8e98595
Use the correct parameter for GLX_VISUAL_CAVEAT_EXT
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
195 attribs[i++] = GLX_NONE_EXT; |
1737 | 196 } |
197 | |
0 | 198 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */ |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1315
diff
changeset
|
199 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { |
1060
86885b40a53b
Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents:
862
diff
changeset
|
200 attribs[i++] = GLX_X_VISUAL_TYPE; |
86885b40a53b
Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents:
862
diff
changeset
|
201 attribs[i++] = GLX_DIRECT_COLOR; |
86885b40a53b
Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents:
862
diff
changeset
|
202 } |
0 | 203 #endif |
204 attribs[i++] = None; | |
205 | |
206 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
207 SDL_Screen, attribs); | |
208 #ifdef GLX_DIRECT_COLOR | |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1315
diff
changeset
|
209 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */ |
0 | 210 attribs[i-3] = None; |
211 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
212 SDL_Screen, attribs); | |
213 } | |
214 #endif | |
215 if( !glx_visualinfo ) { | |
216 SDL_SetError( "Couldn't find matching GLX visual"); | |
217 return NULL; | |
218 } | |
1315
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
219 /* |
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
220 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid); |
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
221 */ |
0 | 222 return glx_visualinfo; |
223 #else | |
224 SDL_SetError("X11 driver not configured with OpenGL"); | |
225 return NULL; | |
226 #endif | |
227 } | |
228 | |
229 int X11_GL_CreateWindow(_THIS, int w, int h) | |
230 { | |
231 int retval; | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
232 #if SDL_VIDEO_OPENGL_GLX |
0 | 233 XSetWindowAttributes attributes; |
234 unsigned long mask; | |
235 unsigned long black; | |
236 | |
237 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display, | |
238 SDL_Screen)) | |
239 ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
240 attributes.background_pixel = black; | |
241 attributes.border_pixel = black; | |
242 attributes.colormap = SDL_XColorMap; | |
243 mask = CWBackPixel | CWBorderPixel | CWColormap; | |
244 | |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
245 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
0 | 246 0, 0, w, h, 0, glx_visualinfo->depth, |
247 InputOutput, glx_visualinfo->visual, | |
248 mask, &attributes); | |
249 if ( !SDL_Window ) { | |
250 SDL_SetError("Could not create window"); | |
251 return -1; | |
252 } | |
253 retval = 0; | |
254 #else | |
255 SDL_SetError("X11 driver not configured with OpenGL"); | |
256 retval = -1; | |
257 #endif | |
258 return(retval); | |
259 } | |
260 | |
261 int X11_GL_CreateContext(_THIS) | |
262 { | |
263 int retval; | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
264 #if SDL_VIDEO_OPENGL_GLX |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
265 |
0 | 266 /* We do this to create a clean separation between X and GLX errors. */ |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
267 XSync( SDL_Display, False ); |
0 | 268 glx_context = this->gl_data->glXCreateContext(GFX_Display, |
269 glx_visualinfo, NULL, True); | |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
270 XSync( GFX_Display, False ); |
0 | 271 |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
272 if ( glx_context == NULL ) { |
0 | 273 SDL_SetError("Could not create GL context"); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
274 return(-1); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
275 } |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
276 if ( X11_GL_MakeCurrent(this) < 0 ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
277 return(-1); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
278 } |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
279 gl_active = 1; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
280 |
3940
cb04355ffec4
Check correct glX extension name for swap_control, but it doesn't look like
Ryan C. Gordon <icculus@icculus.org>
parents:
3905
diff
changeset
|
281 if ( !glXExtensionSupported(this, "GLX_SGI_swap_control") ) { |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
282 this->gl_data->glXSwapIntervalSGI = NULL; |
0 | 283 } |
1737 | 284 if ( !glXExtensionSupported(this, "GLX_MESA_swap_control") ) { |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
285 this->gl_data->glXSwapIntervalMESA = NULL; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
286 this->gl_data->glXGetSwapIntervalMESA = NULL; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
287 } |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
288 if ( this->gl_config.swap_control >= 0 ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
289 if ( this->gl_data->glXSwapIntervalMESA ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
290 this->gl_data->glXSwapIntervalMESA(this->gl_config.swap_control); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
291 } else if ( this->gl_data->glXSwapIntervalSGI ) { |
4268
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
292 if (this->gl_data->glXSwapIntervalSGI(this->gl_config.swap_control) != 0) { |
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
293 this->gl_data->sgi_swap_interval = this->gl_config.swap_control; |
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
294 } |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
295 } |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
296 } |
0 | 297 #else |
298 SDL_SetError("X11 driver not configured with OpenGL"); | |
299 #endif | |
300 if ( gl_active ) { | |
301 retval = 0; | |
302 } else { | |
303 retval = -1; | |
304 } | |
305 return(retval); | |
306 } | |
307 | |
308 void X11_GL_Shutdown(_THIS) | |
309 { | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
310 #if SDL_VIDEO_OPENGL_GLX |
0 | 311 /* Clean up OpenGL */ |
312 if( glx_context ) { | |
313 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL); | |
314 | |
315 if (glx_context != NULL) | |
316 this->gl_data->glXDestroyContext(GFX_Display, glx_context); | |
317 | |
318 glx_context = NULL; | |
319 } | |
320 gl_active = 0; | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
321 #endif /* SDL_VIDEO_OPENGL_GLX */ |
0 | 322 } |
323 | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
324 #if SDL_VIDEO_OPENGL_GLX |
0 | 325 |
326 /* Make the current context active */ | |
327 int X11_GL_MakeCurrent(_THIS) | |
328 { | |
329 int retval; | |
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
330 |
0 | 331 retval = 0; |
332 if ( ! this->gl_data->glXMakeCurrent(GFX_Display, | |
333 SDL_Window, glx_context) ) { | |
334 SDL_SetError("Unable to make GL context current"); | |
335 retval = -1; | |
336 } | |
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
337 XSync( GFX_Display, False ); |
0 | 338 |
339 /* More Voodoo X server workarounds... Grr... */ | |
340 SDL_Lock_EventThread(); | |
341 X11_CheckDGAMouse(this); | |
342 SDL_Unlock_EventThread(); | |
343 | |
344 return(retval); | |
345 } | |
346 | |
347 /* Get attribute data from glX. */ | |
348 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) | |
349 { | |
4092
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
350 int retval = -1; |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
351 int unsupported = 0; |
0 | 352 int glx_attrib = None; |
353 | |
354 switch( attrib ) { | |
355 case SDL_GL_RED_SIZE: | |
356 glx_attrib = GLX_RED_SIZE; | |
357 break; | |
358 case SDL_GL_GREEN_SIZE: | |
359 glx_attrib = GLX_GREEN_SIZE; | |
360 break; | |
361 case SDL_GL_BLUE_SIZE: | |
362 glx_attrib = GLX_BLUE_SIZE; | |
363 break; | |
364 case SDL_GL_ALPHA_SIZE: | |
365 glx_attrib = GLX_ALPHA_SIZE; | |
366 break; | |
367 case SDL_GL_DOUBLEBUFFER: | |
368 glx_attrib = GLX_DOUBLEBUFFER; | |
369 break; | |
370 case SDL_GL_BUFFER_SIZE: | |
371 glx_attrib = GLX_BUFFER_SIZE; | |
372 break; | |
373 case SDL_GL_DEPTH_SIZE: | |
374 glx_attrib = GLX_DEPTH_SIZE; | |
375 break; | |
376 case SDL_GL_STENCIL_SIZE: | |
377 glx_attrib = GLX_STENCIL_SIZE; | |
378 break; | |
379 case SDL_GL_ACCUM_RED_SIZE: | |
380 glx_attrib = GLX_ACCUM_RED_SIZE; | |
381 break; | |
382 case SDL_GL_ACCUM_GREEN_SIZE: | |
383 glx_attrib = GLX_ACCUM_GREEN_SIZE; | |
384 break; | |
385 case SDL_GL_ACCUM_BLUE_SIZE: | |
386 glx_attrib = GLX_ACCUM_BLUE_SIZE; | |
387 break; | |
388 case SDL_GL_ACCUM_ALPHA_SIZE: | |
389 glx_attrib = GLX_ACCUM_ALPHA_SIZE; | |
390 break; | |
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
391 case SDL_GL_STEREO: |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
392 glx_attrib = GLX_STEREO; |
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
393 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
|
394 case SDL_GL_MULTISAMPLEBUFFERS: |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
395 glx_attrib = GLX_SAMPLE_BUFFERS_ARB; |
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
396 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
|
397 case SDL_GL_MULTISAMPLESAMPLES: |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
398 glx_attrib = GLX_SAMPLES_ARB; |
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
399 break; |
1737 | 400 case SDL_GL_ACCELERATED_VISUAL: |
401 if ( glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
402 glx_attrib = GLX_VISUAL_CAVEAT_EXT; | |
403 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
404 if ( *value == GLX_SLOW_VISUAL_EXT ) { | |
405 *value = SDL_FALSE; | |
406 } else { | |
407 *value = SDL_TRUE; | |
408 } | |
409 return retval; | |
410 } else { | |
4092
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
411 unsupported = 1; |
1737 | 412 } |
413 break; | |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
414 case SDL_GL_SWAP_CONTROL: |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
415 if ( this->gl_data->glXGetSwapIntervalMESA ) { |
1880 | 416 *value = this->gl_data->glXGetSwapIntervalMESA(); |
4268
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
417 return 0; |
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
418 } else if ( this->gl_data->glXSwapIntervalSGI ) { |
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
419 *value = this->gl_data->sgi_swap_interval; |
d48035d857d3
Make SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL) work with GLX_SGI_swap_control.
Ryan C. Gordon <icculus@icculus.org>
parents:
4183
diff
changeset
|
420 return 0; |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
421 } else { |
4092
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
422 unsupported = 1; |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
423 } |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
424 break; |
0 | 425 default: |
4092
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
426 unsupported = 1; |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
427 break; |
0 | 428 } |
429 | |
4092
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
430 if (unsupported) { |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
431 SDL_SetError("OpenGL attribute is unsupported on this system"); |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
432 } else { |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
433 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); |
2b32a416d202
Set an error message when SDL_GL_SetAttribute() fails because we can't support
Ryan C. Gordon <icculus@icculus.org>
parents:
4023
diff
changeset
|
434 } |
0 | 435 return retval; |
436 } | |
437 | |
438 void X11_GL_SwapBuffers(_THIS) | |
439 { | |
440 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window); | |
441 } | |
442 | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
443 #endif /* SDL_VIDEO_OPENGL_GLX */ |
0 | 444 |
1861 | 445 #define OPENGL_REQUIRS_DLOPEN |
446 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN) | |
447 #include <dlfcn.h> | |
448 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL)) | |
449 #define GL_LoadFunction dlsym | |
450 #define GL_UnloadObject dlclose | |
451 #else | |
452 #define GL_LoadObject SDL_LoadObject | |
453 #define GL_LoadFunction SDL_LoadFunction | |
454 #define GL_UnloadObject SDL_UnloadObject | |
455 #endif | |
456 | |
0 | 457 void X11_GL_UnloadLibrary(_THIS) |
458 { | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
459 #if SDL_VIDEO_OPENGL_GLX |
0 | 460 if ( this->gl_config.driver_loaded ) { |
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
461 |
1861 | 462 GL_UnloadObject(this->gl_config.dll_handle); |
0 | 463 |
464 this->gl_data->glXGetProcAddress = NULL; | |
465 this->gl_data->glXChooseVisual = NULL; | |
466 this->gl_data->glXCreateContext = NULL; | |
467 this->gl_data->glXDestroyContext = NULL; | |
468 this->gl_data->glXMakeCurrent = NULL; | |
469 this->gl_data->glXSwapBuffers = NULL; | |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
470 this->gl_data->glXSwapIntervalSGI = NULL; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
471 this->gl_data->glXSwapIntervalMESA = NULL; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
472 this->gl_data->glXGetSwapIntervalMESA = NULL; |
0 | 473 |
474 this->gl_config.dll_handle = NULL; | |
475 this->gl_config.driver_loaded = 0; | |
476 } | |
477 #endif | |
478 } | |
479 | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
480 #if SDL_VIDEO_OPENGL_GLX |
1182
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
481 |
0 | 482 /* Passing a NULL path means load pointers from the application */ |
483 int X11_GL_LoadLibrary(_THIS, const char* path) | |
484 { | |
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
485 void* handle = NULL; |
0 | 486 |
1182
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
487 if ( gl_active ) { |
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
488 SDL_SetError("OpenGL context already created"); |
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
489 return -1; |
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
490 } |
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
491 |
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
492 if ( path == NULL ) { |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1315
diff
changeset
|
493 path = SDL_getenv("SDL_VIDEO_GL_DRIVER"); |
0 | 494 if ( path == NULL ) { |
495 path = DEFAULT_OPENGL; | |
496 } | |
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
497 } |
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
498 |
1861 | 499 handle = GL_LoadObject(path); |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
500 if ( handle == NULL ) { |
3905
0e0883cb7137
Add error message if not using SDL_LoadObject
Patrice Mandin <patmandin@gmail.com>
parents:
1880
diff
changeset
|
501 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN) |
0e0883cb7137
Add error message if not using SDL_LoadObject
Patrice Mandin <patmandin@gmail.com>
parents:
1880
diff
changeset
|
502 SDL_SetError("Failed loading %s", path); |
0e0883cb7137
Add error message if not using SDL_LoadObject
Patrice Mandin <patmandin@gmail.com>
parents:
1880
diff
changeset
|
503 #else |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
504 /* SDL_LoadObject() will call SDL_SetError() for us. */ |
3905
0e0883cb7137
Add error message if not using SDL_LoadObject
Patrice Mandin <patmandin@gmail.com>
parents:
1880
diff
changeset
|
505 #endif |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
506 return -1; |
0 | 507 } |
508 | |
509 /* Unload the old driver and reset the pointers */ | |
510 X11_GL_UnloadLibrary(this); | |
511 | |
512 /* Load new function pointers */ | |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
513 this->gl_data->glXGetProcAddress = |
1861 | 514 (void *(*)(const GLubyte *)) GL_LoadFunction(handle, "glXGetProcAddressARB"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
515 this->gl_data->glXChooseVisual = |
1861 | 516 (XVisualInfo *(*)(Display *, int, int *)) GL_LoadFunction(handle, "glXChooseVisual"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
517 this->gl_data->glXCreateContext = |
1861 | 518 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) GL_LoadFunction(handle, "glXCreateContext"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
519 this->gl_data->glXDestroyContext = |
1861 | 520 (void (*)(Display *, GLXContext)) GL_LoadFunction(handle, "glXDestroyContext"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
521 this->gl_data->glXMakeCurrent = |
1861 | 522 (int (*)(Display *, GLXDrawable, GLXContext)) GL_LoadFunction(handle, "glXMakeCurrent"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
523 this->gl_data->glXSwapBuffers = |
1861 | 524 (void (*)(Display *, GLXDrawable)) GL_LoadFunction(handle, "glXSwapBuffers"); |
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
525 this->gl_data->glXGetConfig = |
1861 | 526 (int (*)(Display *, XVisualInfo *, int, int *)) GL_LoadFunction(handle, "glXGetConfig"); |
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
527 this->gl_data->glXQueryExtensionsString = |
1861 | 528 (const char *(*)(Display *, int)) GL_LoadFunction(handle, "glXQueryExtensionsString"); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
529 this->gl_data->glXSwapIntervalSGI = |
1861 | 530 (int (*)(int)) GL_LoadFunction(handle, "glXSwapIntervalSGI"); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
531 this->gl_data->glXSwapIntervalMESA = |
1861 | 532 (GLint (*)(unsigned)) GL_LoadFunction(handle, "glXSwapIntervalMESA"); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1577
diff
changeset
|
533 this->gl_data->glXGetSwapIntervalMESA = |
1861 | 534 (GLint (*)(void)) GL_LoadFunction(handle, "glXGetSwapIntervalMESA"); |
1315
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
535 |
0 | 536 if ( (this->gl_data->glXChooseVisual == NULL) || |
537 (this->gl_data->glXCreateContext == NULL) || | |
538 (this->gl_data->glXDestroyContext == NULL) || | |
539 (this->gl_data->glXMakeCurrent == NULL) || | |
540 (this->gl_data->glXSwapBuffers == NULL) || | |
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
541 (this->gl_data->glXGetConfig == NULL) || |
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
542 (this->gl_data->glXQueryExtensionsString == NULL)) { |
0 | 543 SDL_SetError("Could not retrieve OpenGL functions"); |
544 return -1; | |
545 } | |
546 | |
547 this->gl_config.dll_handle = handle; | |
548 this->gl_config.driver_loaded = 1; | |
549 if ( path ) { | |
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
550 SDL_strlcpy(this->gl_config.driver_path, path, |
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
551 SDL_arraysize(this->gl_config.driver_path)); |
0 | 552 } else { |
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
553 *this->gl_config.driver_path = '\0'; |
0 | 554 } |
555 return 0; | |
556 } | |
557 | |
558 void *X11_GL_GetProcAddress(_THIS, const char* proc) | |
559 { | |
560 void* handle; | |
561 | |
562 handle = this->gl_config.dll_handle; | |
563 if ( this->gl_data->glXGetProcAddress ) { | |
1196
b81f54c3963f
Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents:
1191
diff
changeset
|
564 return this->gl_data->glXGetProcAddress((const GLubyte *)proc); |
0 | 565 } |
1861 | 566 return GL_LoadFunction(handle, proc); |
0 | 567 } |
568 | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
569 #endif /* SDL_VIDEO_OPENGL_GLX */ |