Mercurial > sdl-ios-xcode

annotate src/video/cybergfx/SDL_cgxgl.c @ 1402:d910939febfa

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use consistent identifiers for the various platforms we support. Make sure every source file includes SDL_config.h, so the proper system headers are chosen.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Feb 2006 08:46:50 +0000
parents 19418e4422cb
children 782fd950bd46 c121d94672cb
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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: 769
diff changeset
6 modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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: 769
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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: 769
diff changeset
13 Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
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: 769
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: 769
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
24 /* StormMesa implementation of SDL OpenGL support */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
26 #include "SDL_cgxgl_c.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27 #include "SDL_cgxvideo.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
29 #if SDL_VIDEO_OPENGL
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
30 AmigaMesaContext glcont=NULL;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
31 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
33 /* Init OpenGL */
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
34 int CGX_GL_Init(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35 {
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_OPENGL
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
37 int i = 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
38 struct TagItem attributes [ 14 ]; /* 14 should be more than enough :) */
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
39 struct Window *win = (struct Window *)SDL_Window;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
40
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
41 // default config. Always used...
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
42 attributes[i].ti_Tag = AMA_Window; attributes[i++].ti_Data = (unsigned long)win;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
43 attributes[i].ti_Tag = AMA_Left; attributes[i++].ti_Data = 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
44 attributes[i].ti_Tag = AMA_Bottom; attributes[i++].ti_Data = 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
45 attributes[i].ti_Tag = AMA_Width; attributes[i++].ti_Data = win->Width-win->BorderLeft-win->BorderRight;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
46 attributes[i].ti_Tag = AMA_Height; attributes[i++].ti_Data = win->Height-win->BorderBottom-win->BorderTop;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
47 attributes[i].ti_Tag = AMA_DirectRender; attributes[i++].ti_Data = GL_TRUE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
48
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
49 // double buffer ?
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
50 attributes[i].ti_Tag = AMA_DoubleBuf;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
51 if ( this->gl_config.double_buffer ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
52 attributes[i++].ti_Data = GL_TRUE;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
53 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
54 else {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
55 attributes[i++].ti_Data = GL_FALSE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
56 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
57 // RGB(A) Mode ?
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
58 attributes[i].ti_Tag = AMA_RGBMode;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
59 if ( this->gl_config.red_size != 0 &&
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
60 this->gl_config.blue_size != 0 &&
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
61 this->gl_config.green_size != 0 ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
62 attributes[i++].ti_Data = GL_TRUE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
63 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
64 else {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
65 attributes[i++].ti_Data = GL_FALSE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
66 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
67 // no depth buffer ?
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
68 if ( this->gl_config.depth_size == 0 ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
69 attributes[i].ti_Tag = AMA_NoDepth;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
70 attributes[i++].ti_Data = GL_TRUE;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
71 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
72 // no stencil buffer ?
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
73 if ( this->gl_config.stencil_size == 0 ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
74 attributes[i].ti_Tag = AMA_NoStencil;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
75 attributes[i++].ti_Data = GL_TRUE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
76 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
77 // no accum buffer ?
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
78 if ( this->gl_config.accum_red_size != 0 &&
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
79 this->gl_config.accum_blue_size != 0 &&
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
80 this->gl_config.accum_green_size != 0 ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
81 attributes[i].ti_Tag = AMA_NoAccum;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
82 attributes[i++].ti_Data = GL_TRUE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
83 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
84 // done...
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
85 attributes[i].ti_Tag = TAG_DONE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
86
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
87 glcont = AmigaMesaCreateContext(attributes);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
88 if ( glcont == NULL ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
89 SDL_SetError("Couldn't create OpenGL context");
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
90 return(-1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
91 }
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
92 this->gl_data->gl_active = 1;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
93 this->gl_config.driver_loaded = 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
94
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
95 return(0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
96 #else
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
97 SDL_SetError("OpenGL support not configured");
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
98 return(-1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
99 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
100 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
101
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
102 /* Quit OpenGL */
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
103 void CGX_GL_Quit(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
104 {
1361
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_OPENGL
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
106 if ( glcont != NULL ) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
107 AmigaMesaDestroyContext(glcont);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
108 glcont = NULL;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
109 this->gl_data->gl_active = 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
110 this->gl_config.driver_loaded = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
111 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
112 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
113 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
114
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
115 /* Attach context to another window */
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
116 int CGX_GL_Update(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
117 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
118 #if SDL_VIDEO_OPENGL
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
119 struct TagItem tags[2];
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
120 struct Window *win = (struct Window*)SDL_Window;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
121 if(glcont == NULL) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
122 return -1; //should never happen
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
123 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
124 tags[0].ti_Tag = AMA_Window;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
125 tags[0].ti_Data = (unsigned long)win;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
126 tags[1].ti_Tag = TAG_DONE;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
127 AmigaMesaSetRast(glcont, tags);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
128
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
129 return 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
130 #else
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
131 SDL_SetError("OpenGL support not configured");
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
132 return -1;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
133 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
134 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
135
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
136 #if SDL_VIDEO_OPENGL
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
137
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
138 /* Make the current context active */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
139 int CGX_GL_MakeCurrent(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
140 {
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
141 if(glcont == NULL)
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
142 return -1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
143
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
144 AmigaMesaMakeCurrent(glcont, glcont->buffer);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
145 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
146 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
147
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
148 void CGX_GL_SwapBuffers(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
149 {
255
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
150 AmigaMesaSwapBuffers(glcont);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
151 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
152
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
153 int CGX_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
154 GLenum mesa_attrib;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
155
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
156 switch(attrib) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
157 case SDL_GL_RED_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
158 mesa_attrib = GL_RED_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
159 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
160 case SDL_GL_GREEN_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
161 mesa_attrib = GL_GREEN_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
162 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
163 case SDL_GL_BLUE_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
164 mesa_attrib = GL_BLUE_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
165 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
166 case SDL_GL_ALPHA_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
167 mesa_attrib = GL_ALPHA_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
168 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
169 case SDL_GL_DOUBLEBUFFER:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
170 mesa_attrib = GL_DOUBLEBUFFER;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
171 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
172 case SDL_GL_DEPTH_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
173 mesa_attrib = GL_DEPTH_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
174 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
175 case SDL_GL_STENCIL_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
176 mesa_attrib = GL_STENCIL_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
177 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
178 case SDL_GL_ACCUM_RED_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
179 mesa_attrib = GL_ACCUM_RED_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
180 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
181 case SDL_GL_ACCUM_GREEN_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
182 mesa_attrib = GL_ACCUM_GREEN_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
183 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
184 case SDL_GL_ACCUM_BLUE_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
185 mesa_attrib = GL_ACCUM_BLUE_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
186 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
187 case SDL_GL_ACCUM_ALPHA_SIZE:
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
188 mesa_attrib = GL_ACCUM_ALPHA_BITS;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
189 break;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
190 default :
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
191 return -1;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
192 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
193
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
194 AmigaMesaGetConfig(glcont->visual, mesa_attrib, value);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
195 return 0;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
196 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
197
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
198 void *CGX_GL_GetProcAddress(_THIS, const char *proc) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
199 void *func = NULL;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
200 func = AmiGetGLProc(proc);
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
201 return func;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
202 }
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
203
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
204 int CGX_GL_LoadLibrary(_THIS, const char *path) {
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
205 /* Library is always open */
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
206 this->gl_config.driver_loaded = 1;
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
207
dcb5e869f8b5 Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
208 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
209 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
210
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
211 #endif /* SDL_VIDEO_OPENGL */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
212