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annotate src/video/photon/SDL_ph_gl.c @ 1662:782fd950bd46 SDL-1.3

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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. WARNING: None of the video drivers have been updated for the new API yet! The API is still under design and very fluid. The code is now run through a consistent indent format: indent -i4 -nut -nsc -br -ce The headers are being converted to automatically generate doxygen documentation.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 28 May 2006 13:04:16 +0000
parents d910939febfa
children 4da1ee79c9af
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include <dlfcn.h>
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25 #include "SDL.h"
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26 #include "SDL_ph_gl.h"
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27
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28 #if SDL_VIDEO_OPENGL
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29
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30 #if (_NTO_VERSION >= 630)
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31 /* PhotonGL functions */
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32 GLPH_DECLARE_FUNCS;
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33 #endif /* 6.3.0 */
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34
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35 #if (_NTO_VERSION < 630)
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36 void
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37 ph_GL_SwapBuffers (_THIS)
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38 {
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39 PgSetRegion (PtWidgetRid (window));
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40 PdOpenGLContextSwapBuffers (oglctx);
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41 }
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42 #else
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43 void
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44 ph_GL_SwapBuffers (_THIS)
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45 {
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46 qnxgl_swap_buffers (oglbuffers);
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47 }
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48 #endif /* 6.3.0 */
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49
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50 int
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51 ph_GL_GetAttribute (_THIS, SDL_GLattr attrib, int *value)
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52 {
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53 switch (attrib) {
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54 case SDL_GL_DOUBLEBUFFER:
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55 *value = this->gl_config.double_buffer;
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56 break;
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57 case SDL_GL_STENCIL_SIZE:
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58 *value = this->gl_config.stencil_size;
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59 break;
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60 case SDL_GL_DEPTH_SIZE:
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61 *value = this->gl_config.depth_size;
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62 break;
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63 #if (_NTO_VERSION >= 630)
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64 case SDL_GL_RED_SIZE:
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65 *value = this->gl_config.red_size;
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66 break;
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67 case SDL_GL_GREEN_SIZE:
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68 *value = this->gl_config.green_size;
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69 break;
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70 case SDL_GL_BLUE_SIZE:
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71 *value = this->gl_config.blue_size;
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72 break;
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73 case SDL_GL_ALPHA_SIZE:
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74 *value = this->gl_config.alpha_size;
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75 break;
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76 case SDL_GL_ACCUM_RED_SIZE:
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77 *value = this->gl_config.accum_red_size;
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78 break;
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79 case SDL_GL_ACCUM_GREEN_SIZE:
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80 *value = this->gl_config.accum_green_size;
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81 break;
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82 case SDL_GL_ACCUM_BLUE_SIZE:
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83 *value = this->gl_config.accum_blue_size;
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84 break;
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85 case SDL_GL_ACCUM_ALPHA_SIZE:
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86 *value = this->gl_config.accum_alpha_size;
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87 break;
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88 case SDL_GL_STEREO:
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89 *value = this->gl_config.stereo;
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90 break;
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91 #endif /* 6.3.0 */
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92 default:
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93 *value = 0;
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94 return (-1);
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95 }
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96 return 0;
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97 }
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98
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99 #if (_NTO_VERSION < 630)
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100 int
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101 ph_GL_LoadLibrary (_THIS, const char *path)
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102 {
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103 /* if code compiled with SDL_VIDEO_OPENGL, that mean that library already linked */
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104 this->gl_config.driver_loaded = 1;
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105
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106 return 0;
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107 }
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108 #else
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109 int
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110 ph_GL_LoadLibrary (_THIS, const char *path)
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111 {
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112 void *handle;
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113 int dlopen_flags = RTLD_WORLD | RTLD_GROUP;
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114
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115 if (this->gl_config.dll_handle != NULL) {
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116 return 0;
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117 }
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118
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119 handle = dlopen (path, dlopen_flags);
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120
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diff changeset
121 if (handle == NULL) {
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parents: 1402
diff changeset
122 SDL_SetError ("ph_GL_LoadLibrary(): Could not load OpenGL library");
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
123 return -1;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
124 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
125
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
126 this->gl_config.dll_handle = handle;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127 this->gl_config.driver_loaded = 1;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
128
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diff changeset
129 SDL_strlcpy (this->gl_config.driver_path, path,
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diff changeset
130 SDL_arraysize (this->gl_config.driver_path));
910
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parents:
diff changeset
131
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132 return 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 #endif /* 6.3.0 */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 #if (_NTO_VERSION < 630)
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diff changeset
137 void *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
138 ph_GL_GetProcAddress (_THIS, const char *proc)
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
139 {
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 return NULL;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
142 #else
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diff changeset
143 void *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
144 ph_GL_GetProcAddress (_THIS, const char *proc)
910
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parents:
diff changeset
145 {
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diff changeset
146 void *function;
910
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diff changeset
147
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diff changeset
148 if (this->gl_config.dll_handle == NULL) {
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diff changeset
149 ph_GL_LoadLibrary (this, DEFAULT_OPENGL);
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diff changeset
150 if (this->gl_config.dll_handle == NULL) {
910
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parents:
diff changeset
151 return NULL;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 }
1662
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154
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diff changeset
155 function = qnxgl_get_func (proc, oglctx, 0);
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diff changeset
156 if (function == NULL) {
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diff changeset
157 function = dlsym (this->gl_config.dll_handle, proc);
910
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parents:
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158 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 return function;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 #endif /* 6.3.0 */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
164 #if (_NTO_VERSION < 630)
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165 int
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diff changeset
166 ph_GL_MakeCurrent (_THIS)
910
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diff changeset
167 {
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diff changeset
168 PgSetRegion (PtWidgetRid (window));
910
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diff changeset
169
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diff changeset
170 if (oglctx != NULL) {
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diff changeset
171 PhDCSetCurrent (oglctx);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 return 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 #else
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diff changeset
177 int
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
178 ph_GL_MakeCurrent (_THIS)
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
179 {
1662
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diff changeset
180 PgSetRegion (PtWidgetRid (window));
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
181
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182 if (oglctx != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
183 if (qnxgl_set_current (oglctx) == -1) {
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diff changeset
184 return -1;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 return 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 #endif /* 6.3.0 */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 #if (_NTO_VERSION < 630)
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 /* This code is actual for the Photon3D Runtime which was available prior to 6.3 only */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
195
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diff changeset
196 int
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
197 ph_SetupOpenGLContext (_THIS, int width, int height, int bpp, Uint32 flags)
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
198 {
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 PhDim_t dim;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 uint64_t OGLAttrib[PH_OGL_MAX_ATTRIBS];
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
201 int exposepost = 0;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 int OGLargc;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203
1662
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diff changeset
204 dim.w = width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
205 dim.h = height;
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
206
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
207 if ((oglctx != NULL) && (oglflags == flags) && (oglbpp == bpp)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
208 PdOpenGLContextResize (oglctx, &dim);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
209 PhDCSetCurrent (oglctx);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
210 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
211 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
212 if (oglctx != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
213 PhDCSetCurrent (NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
214 PhDCRelease (oglctx);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
215 oglctx = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
216 exposepost = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
217 }
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219
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diff changeset
220 OGLargc = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
221 if (this->gl_config.depth_size) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
222 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_DEPTH_BITS;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
223 OGLAttrib[OGLargc++] = this->gl_config.depth_size;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 }
1662
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
225 if (this->gl_config.stencil_size) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
226 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_STENCIL_BITS;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
227 OGLAttrib[OGLargc++] = this->gl_config.stencil_size;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 }
1662
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diff changeset
229 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_FORCE_SW;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
230 if (flags & SDL_FULLSCREEN) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
231 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_FULLSCREEN;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
232 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_DIRECT;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
233 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_FULLSCREEN_BEST;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
234 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_FULLSCREEN_CENTER;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 }
1662
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diff changeset
236 OGLAttrib[OGLargc++] = PHOGL_ATTRIB_NONE;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
1662
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
238 if (this->gl_config.double_buffer) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
239 oglctx = PdCreateOpenGLContext (2, &dim, 0, OGLAttrib);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
240 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
241 oglctx = PdCreateOpenGLContext (1, &dim, 0, OGLAttrib);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 }
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parents:
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243
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244 if (oglctx == NULL) {
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245 SDL_SetError
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diff changeset
246 ("ph_SetupOpenGLContext(): cannot create OpenGL context !\n");
910
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parents:
diff changeset
247 return -1;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 }
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249
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diff changeset
250 PhDCSetCurrent (oglctx);
910
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parents:
diff changeset
251
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252 PtFlush ();
910
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253
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diff changeset
254 oglflags = flags;
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diff changeset
255 oglbpp = bpp;
910
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parents:
diff changeset
256
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diff changeset
257 if (exposepost != 0) {
910
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258 /* OpenGL context has been recreated, so report about this fact */
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diff changeset
259 SDL_PrivateExpose ();
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
260 }
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parents:
diff changeset
261
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 return 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
264
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 #else /* _NTO_VERSION */
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parents:
diff changeset
266
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 /* This code is actual for the built-in PhGL support, which became available since 6.3 */
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268
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269 int
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270 ph_SetupOpenGLContext (_THIS, int width, int height, int bpp, Uint32 flags)
910
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diff changeset
271 {
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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272 qnxgl_buf_attrib_t qnxgl_attribs[PH_OGL_MAX_ATTRIBS];
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273 qnxgl_buf_attrib_t *qnxgl_attribs_slide;
910
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274 int num_interfaces = 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
275 int num_buffers = 0;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
276
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 /* Initialize the OpenGL subsystem */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
278
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279 num_interfaces = qnxgl_init (NULL, NULL, 0);
910
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parents:
diff changeset
280
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diff changeset
281 if (num_interfaces < 0) {
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diff changeset
282 SDL_SetError
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diff changeset
283 ("ph_SetupOpenGLContext(): cannot initialize OpenGL subsystem !\n");
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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diff changeset
284 return -1;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 }
1662
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diff changeset
286 if (num_interfaces == 0) {
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diff changeset
287 SDL_SetError
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diff changeset
288 ("ph_SetupOpenGLContext(): there are no available OpenGL renderers was found !\n");
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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diff changeset
289 return -1;
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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diff changeset
292 /* Driver is linked */
1662
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diff changeset
293 this->gl_config.driver_loaded = 1;
910
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parents:
diff changeset
294
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
295 /* Initialize the OpenGL context attributes */
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diff changeset
296 qnxgl_attribs_slide = qnxgl_attribs;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
297
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
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parents:
diff changeset
298 /* Depth size */
1662
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diff changeset
299 if (this->gl_config.depth_size) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
300 fprintf (stderr, "setted depth size %d\n",
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
301 this->gl_config.depth_size);
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diff changeset
302 qnxgl_attribs_slide =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
303 qnxgl_attrib_set_depth (qnxgl_attribs_slide,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
304 this->gl_config.depth_size);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 /* Stencil size */
1662
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diff changeset
308 if (this->gl_config.stencil_size) {
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diff changeset
309 qnxgl_attribs_slide =
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diff changeset
310 qnxgl_attrib_set_stencil (qnxgl_attribs_slide,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
311 this->gl_config.stencil_size);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 /* The sum of the accum bits of each channel */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
315 if ((this->gl_config.accum_red_size != 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
316 && (this->gl_config.accum_blue_size != 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
317 && (this->gl_config.accum_green_size != 0)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
318 qnxgl_attribs_slide = qnxgl_attrib_set_accum (qnxgl_attribs_slide,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
319 this->gl_config.
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
320 accum_red_size +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
321 this->gl_config.
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
322 accum_blue_size +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
323 this->gl_config.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
324 accum_green_size +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
325 this->gl_config.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
326 accum_alpha_size);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
328
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 /* Stereo mode */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
330 if (this->gl_config.stereo) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
331 qnxgl_attribs_slide = qnxgl_attrib_set_stereo (qnxgl_attribs_slide);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 /* Fullscreen mode */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
335 if ((flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
336 qnxgl_attribs_slide =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
337 qnxgl_attrib_set_hint_fullscreen (qnxgl_attribs_slide);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
339
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 /* Double buffering mode */
1662
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
341 if (this->gl_config.double_buffer) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
342 num_buffers = 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
343 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
344 num_buffers = 1;
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 }
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 /* Loading the function pointers so we can use the extensions */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
348 GLPH_LOAD_FUNCS_GC (oglctx);
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 /* Set the buffers region to be that of our window's region */
1662
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diff changeset
351 qnxgl_attribs_slide =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
352 glph_attrib_set_region (qnxgl_attribs_slide, PtWidgetRid (window));
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 /* End of the attributes array */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
355 qnxgl_attribs_slide = qnxgl_attrib_set_end (qnxgl_attribs_slide);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
356
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 /* Create the buffers with the specified color model */
1662
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parents: 1402
diff changeset
358 fprintf (stderr, "ARGB: %d, %d, %d, %d\n", this->gl_config.alpha_size,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
359 this->gl_config.red_size, this->gl_config.green_size,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
360 this->gl_config.blue_size);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
361 oglbuffers = qnxgl_buffers_create (QNXGL_FORMAT_BEST_RGB,
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 /* __QNXGL_BUILD_FORMAT(0, __QNXGL_COLOR_MODEL_RGB, this->gl_config.alpha_size,
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363 this->gl_config.red_size, this->gl_config.green_size, this->gl_config.blue_size), */
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364 num_buffers, width, height,
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365 qnxgl_attribs, -1);
910
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366
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367
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368 if (oglbuffers == NULL) {
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369 SDL_SetError
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370 ("ph_SetupOpenGLContext(): failed to create OpenGL buffers !\n");
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371 qnxgl_finish ();
910
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372 return -1;
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373 }
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374
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375 /* Create a QNXGL context for the previously created buffer */
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376 oglctx = qnxgl_context_create (oglbuffers, NULL);
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377
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378 if (oglctx == NULL) {
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379 SDL_SetError
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380 ("ph_SetupOpenGLContext(): failed to create OpenGL context !\n");
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381 qnxgl_buffers_destroy (oglbuffers);
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382 qnxgl_finish ();
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383 return -1;
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384 }
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385
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386 /* Attempt to make the context current so we can use OpenGL commands */
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387 if (qnxgl_set_current (oglctx) == -1) {
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388 SDL_SetError
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389 ("ph_SetupOpenGLContext(): failed to make the OpenGL context current !\n");
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390 qnxgl_context_destroy (oglctx);
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391 qnxgl_buffers_destroy (oglbuffers);
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392 qnxgl_finish ();
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393 return -1;
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394 }
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395
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396 PtFlush ();
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397
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398 oglflags = flags;
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399 oglbpp = bpp;
910
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400
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401 return 0;
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402 }
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403
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404 #endif /* _NTO_VERSION */
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405
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
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406 #endif /* SDL_VIDEO_OPENGL */
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407 /* vi: set ts=4 sw=4 expandtab: */