annotate src/video/directfb/SDL_DirectFB_opengl.c @ 3363:90aec03bf9fd

Fixed bug #627 Increased accuracy of alpha blend calculation
author Sam Lantinga <slouken@libsdl.org>
date Sat, 10 Oct 2009 07:48:57 +0000
parents d72a0dd80e8b
children f7b03b6838cb
rev   line source
2737
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1 /*
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2 SDL - Simple DirectMedia Layer
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99210400e8b9 Updated copyright date
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3 Copyright (C) 1997-2009 Sam Lantinga
2737
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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 "SDL_DirectFB_video.h"
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25
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26 #if SDL_DIRECTFB_OPENGL
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27
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28 struct SDL_GLDriverData
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29 {
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30 int gl_active; /* to stop switching drivers while we have a valid context */
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31 int initialized;
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32 DirectFB_GLContext *firstgl; /* linked list */
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33 };
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34
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35 #define OPENGL_REQUIRS_DLOPEN
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36 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN)
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37 #include <dlfcn.h>
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38 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL))
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39 #define GL_LoadFunction dlsym
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40 #define GL_UnloadObject dlclose
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41 #else
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42 #define GL_LoadObject SDL_LoadObject
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43 #define GL_LoadFunction SDL_LoadFunction
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44 #define GL_UnloadObject SDL_UnloadObject
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45 #endif
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46
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47 static void DirectFB_GL_UnloadLibrary(_THIS);
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48
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49 int
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50 DirectFB_GL_Initialize(_THIS)
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51 {
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52 if (_this->gl_data) {
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53 return 0;
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54 }
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55
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56 _this->gl_data =
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57 (struct SDL_GLDriverData *) SDL_calloc(1,
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58 sizeof(struct
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59 SDL_GLDriverData));
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60 if (!_this->gl_data) {
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61 SDL_OutOfMemory();
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62 return -1;
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63 }
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64 _this->gl_data->initialized = 0;
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65
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66 ++_this->gl_data->initialized;
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67 _this->gl_data->firstgl = NULL;
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68
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69 if (DirectFB_GL_LoadLibrary(_this, NULL) < 0) {
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70 return -1;
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71 }
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72
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73 /* Initialize extensions */
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74 /* FIXME needed?
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75 * X11_GL_InitExtensions(_this);
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76 */
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77
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78 return 0;
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79 }
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80
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81 void
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82 DirectFB_GL_Shutdown(_THIS)
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83 {
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84 if (!_this->gl_data || (--_this->gl_data->initialized > 0)) {
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85 return;
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86 }
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87
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88 DirectFB_GL_UnloadLibrary(_this);
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89
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90 SDL_free(_this->gl_data);
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91 _this->gl_data = NULL;
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92 }
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93
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94 int
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95 DirectFB_GL_LoadLibrary(_THIS, const char *path)
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96 {
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97 SDL_DFB_DEVICEDATA(_this);
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98
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99 void *handle = NULL;
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100
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101 SDL_DFB_DEBUG("Loadlibrary : %s\n", path);
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102
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103 if (_this->gl_data->gl_active) {
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104 SDL_SetError("OpenGL context already created");
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105 return -1;
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106 }
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107
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108
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109 if (path == NULL) {
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110 path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
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111 if (path == NULL) {
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112 path = "libGL.so";
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113 }
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114 }
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115
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116 handle = GL_LoadObject(path);
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117 if (handle == NULL) {
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118 SDL_DFB_ERR("Library not found: %s\n", path);
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119 /* SDL_LoadObject() will call SDL_SetError() for us. */
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120 return -1;
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121 }
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122
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123 SDL_DFB_DEBUG("Loaded library: %s\n", path);
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124
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125 /* Unload the old driver and reset the pointers */
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126 DirectFB_GL_UnloadLibrary(_this);
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127
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128 _this->gl_config.dll_handle = handle;
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129 _this->gl_config.driver_loaded = 1;
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130 if (path) {
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131 SDL_strlcpy(_this->gl_config.driver_path, path,
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132 SDL_arraysize(_this->gl_config.driver_path));
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133 } else {
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134 *_this->gl_config.driver_path = '\0';
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135 }
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136
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137 devdata->glFinish = DirectFB_GL_GetProcAddress(_this, "glFinish");
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138 devdata->glFlush = DirectFB_GL_GetProcAddress(_this, "glFlush");
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139
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 return 0;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 static void
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 DirectFB_GL_UnloadLibrary(_THIS)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 int ret;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 if (_this->gl_config.driver_loaded) {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 ret = GL_UnloadObject(_this->gl_config.dll_handle);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 if (ret)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 SDL_DFB_ERR("Error #%d trying to unload library.\n", ret);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 _this->gl_config.dll_handle = NULL;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 _this->gl_config.driver_loaded = 0;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 void *
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 DirectFB_GL_GetProcAddress(_THIS, const char *proc)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 void *handle;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 handle = _this->gl_config.dll_handle;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 return GL_LoadFunction(handle, proc);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 SDL_GLContext
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 DirectFB_GL_CreateContext(_THIS, SDL_Window * window)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 SDL_DFB_WINDOWDATA(window);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 DirectFB_GLContext *context;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 int ret;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 SDL_DFB_CALLOC(context, 1, sizeof(*context));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175
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176 SDL_DFB_CHECKERR(windata->surface->GetGL(windata->surface,
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parents: 3013
diff changeset
177 &context->context));
2998
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Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
178
d364ee9b9c15 Date: Sun, 04 Jan 2009 20:53:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
179 if (!context->context)
d364ee9b9c15 Date: Sun, 04 Jan 2009 20:53:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
180 return NULL;
d364ee9b9c15 Date: Sun, 04 Jan 2009 20:53:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
181
2737
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 SDL_DFB_CHECKERR(context->context->Unlock(context->context));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 context->next = _this->gl_data->firstgl;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 _this->gl_data->firstgl = context;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 if (DirectFB_GL_MakeCurrent(_this, window, context) < 0) {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 DirectFB_GL_DeleteContext(_this, context);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 return NULL;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 return context;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 error:
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 return NULL;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 int
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 DirectFB_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 SDL_DFB_WINDOWDATA(window);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 DirectFB_GLContext *ctx = (DirectFB_GLContext *) context;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 DirectFB_GLContext *p;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 int ret;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 for (p = _this->gl_data->firstgl; p; p = p->next)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 p->context->Unlock(p->context);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 if (windata) {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 windata->gl_context = NULL;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 /* Everything is unlocked, check for a resize */
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parents: 3013
diff changeset
213 DirectFB_AdjustWindowSurface(window);
2737
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 if (ctx != NULL) {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 SDL_DFB_CHECKERR(ctx->context->Lock(ctx->context));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 if (windata)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 windata->gl_context = ctx;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 return 0;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 error:
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 return -1;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 int
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 DirectFB_GL_SetSwapInterval(_THIS, int interval)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 SDL_Unsupported();
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 return -1;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 int
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 DirectFB_GL_GetSwapInterval(_THIS)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 SDL_Unsupported();
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 return -1;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 void
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 DirectFB_GL_SwapWindow(_THIS, SDL_Window * window)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 SDL_DFB_DEVICEDATA(_this);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 SDL_DFB_WINDOWDATA(window);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 int ret;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 DFBRegion region;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 region.x1 = 0;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 region.y1 = 0;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 region.x2 = window->w;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 region.y2 = window->h;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 if (devdata->glFinish)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 devdata->glFinish();
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 else if (devdata->glFlush)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 devdata->glFlush();
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 if (1 || windata->gl_context) {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 /* SDL_DFB_CHECKERR(windata->gl_context->context->Unlock(windata->gl_context->context)); */
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diff changeset
262 SDL_DFB_CHECKERR(windata->surface->Flip(windata->surface, &region,
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Couriersud <couriersud@arcor.de>
parents: 3013
diff changeset
263 DSFLIP_ONSYNC));
2737
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 /* SDL_DFB_CHECKERR(windata->gl_context->context->Lock(windata->gl_context->context)); */
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 return;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 error:
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 return;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 void
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 DirectFB_GL_DeleteContext(_THIS, SDL_GLContext context)
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 {
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 DirectFB_GLContext *ctx = (DirectFB_GLContext *) context;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 DirectFB_GLContext *p;
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 ctx->context->Unlock(ctx->context);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 ctx->context->Release(ctx->context);
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
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282 p = _this->gl_data->firstgl;
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283 while (p && p->next != ctx)
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284 p = p->next;
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285 if (p)
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286 p->next = ctx->next;
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287 else
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288 _this->gl_data->firstgl = ctx->next;
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289
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290 SDL_DFB_FREE(ctx);
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291
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292 }
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293
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294 #endif
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295
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296 /* vi: set ts=4 sw=4 expandtab: */