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4358 | Serge | 1 | /* |
2 | Copyright (c) 2008, 2009 Apple Inc. |
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3 | |||
4 | Permission is hereby granted, free of charge, to any person |
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5 | obtaining a copy of this software and associated documentation files |
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6 | (the "Software"), to deal in the Software without restriction, |
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7 | including without limitation the rights to use, copy, modify, merge, |
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8 | publish, distribute, sublicense, and/or sell copies of the Software, |
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9 | and to permit persons to whom the Software is furnished to do so, |
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10 | subject to the following conditions: |
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11 | |||
12 | The above copyright notice and this permission notice shall be |
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13 | included in all copies or substantial portions of the Software. |
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14 | |||
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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16 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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17 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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18 | NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT |
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19 | HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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20 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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22 | DEALINGS IN THE SOFTWARE. |
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23 | |||
24 | Except as contained in this notice, the name(s) of the above |
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25 | copyright holders shall not be used in advertising or otherwise to |
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26 | promote the sale, use or other dealings in this Software without |
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27 | prior written authorization. |
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28 | */ |
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29 | #ifndef APPLE_GLX_DRAWABLE_H |
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30 | #define APPLE_GLX_DRAWABLE_H |
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31 | |||
32 | /* Must be first for: |
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33 | * |
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34 | */ |
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35 | #include "apple_glx_context.h" |
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36 | |||
37 | #include |
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38 | #include |
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39 | #include |
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40 | #include |
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41 | #define XP_NO_X_HEADERS |
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42 | #include |
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43 | #undef XP_NO_X_HEADERS |
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44 | |||
45 | enum |
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46 | { |
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47 | APPLE_GLX_DRAWABLE_SURFACE = 1, |
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48 | APPLE_GLX_DRAWABLE_PBUFFER, |
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49 | APPLE_GLX_DRAWABLE_PIXMAP |
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50 | }; |
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51 | |||
52 | /* The flag for the find routine. */ |
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53 | enum |
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54 | { |
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55 | APPLE_GLX_DRAWABLE_LOCK = 2, |
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56 | APPLE_GLX_DRAWABLE_REFERENCE = 4 |
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57 | }; |
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58 | |||
59 | struct apple_glx_context; |
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60 | struct apple_glx_drawable; |
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61 | |||
62 | struct apple_glx_surface |
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63 | { |
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64 | xp_surface_id surface_id; |
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65 | unsigned int uid; |
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66 | bool pending_destroy; |
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67 | }; |
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68 | |||
69 | struct apple_glx_pbuffer |
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70 | { |
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71 | GLXPbuffer xid; /* our pixmap */ |
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72 | int width, height; |
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73 | GLint fbconfigID; |
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74 | CGLPBufferObj buffer_obj; |
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75 | unsigned long event_mask; |
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76 | }; |
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77 | |||
78 | struct apple_glx_pixmap |
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79 | { |
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80 | GLXPixmap xpixmap; |
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81 | void *buffer; |
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82 | int width, height, pitch, /*bytes per pixel */ bpp; |
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83 | size_t size; |
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84 | char path[PATH_MAX]; |
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85 | int fd; |
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86 | CGLPixelFormatObj pixel_format_obj; |
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87 | CGLContextObj context_obj; |
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88 | GLint fbconfigID; |
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89 | }; |
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90 | |||
91 | struct apple_glx_drawable_callbacks |
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92 | { |
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93 | int type; |
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94 | bool(*make_current) (struct apple_glx_context * ac, |
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95 | struct apple_glx_drawable * d); |
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96 | void (*destroy) (Display * dpy, struct apple_glx_drawable * d); |
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97 | }; |
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98 | |||
99 | struct apple_glx_drawable |
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100 | { |
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101 | Display *display; |
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102 | int reference_count; |
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103 | GLXDrawable drawable; |
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104 | int type; /* APPLE_GLX_DRAWABLE_* */ |
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105 | |||
106 | union |
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107 | { |
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108 | struct apple_glx_pixmap pixmap; |
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109 | struct apple_glx_pbuffer pbuffer; |
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110 | struct apple_glx_surface surface; |
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111 | } types; |
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112 | |||
113 | struct apple_glx_drawable_callbacks callbacks; |
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114 | |||
115 | /* |
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116 | * This mutex protects the reference count and any other drawable data. |
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117 | * It's used to prevent an early release of a drawable. |
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118 | */ |
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119 | pthread_mutex_t mutex; |
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120 | void (*lock) (struct apple_glx_drawable * agd); |
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121 | void (*unlock) (struct apple_glx_drawable * agd); |
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122 | |||
123 | void (*reference) (struct apple_glx_drawable * agd); |
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124 | void (*release) (struct apple_glx_drawable * agd); |
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125 | |||
126 | bool(*destroy) (struct apple_glx_drawable * agd); |
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127 | |||
128 | bool(*is_pbuffer) (struct apple_glx_drawable * agd); |
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129 | |||
130 | bool(*is_pixmap) (struct apple_glx_drawable * agd); |
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131 | |||
132 | /*BEGIN These are used for the mixed mode drawing... */ |
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133 | int width, height; |
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134 | int row_bytes; |
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135 | char path[PATH_MAX]; |
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136 | int fd; /* The file descriptor for this drawable's shared memory. */ |
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137 | void *buffer; /* The memory for the drawable. Typically shared memory. */ |
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138 | size_t buffer_length; |
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139 | /*END*/ struct apple_glx_drawable *previous, *next; |
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140 | }; |
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141 | |||
142 | struct apple_glx_context; |
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143 | |||
144 | /* May return NULL if not found */ |
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145 | struct apple_glx_drawable *apple_glx_find_drawable(Display * dpy, |
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146 | GLXDrawable drawable); |
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147 | |||
148 | /* Returns true on error and locks the agd result with a reference. */ |
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149 | bool apple_glx_drawable_create(Display * dpy, |
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150 | int screen, |
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151 | GLXDrawable drawable, |
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152 | struct apple_glx_drawable **agd, |
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153 | struct apple_glx_drawable_callbacks |
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154 | *callbacks); |
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155 | |||
156 | /* Returns true on error */ |
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157 | bool apple_glx_create_drawable(Display * dpy, |
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158 | struct apple_glx_context *ac, |
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159 | GLXDrawable drawable, |
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160 | struct apple_glx_drawable **agd); |
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161 | |||
162 | void apple_glx_garbage_collect_drawables(Display * dpy); |
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163 | |||
164 | /* |
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165 | * This returns the total number of drawables. |
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166 | * It's mostly intended for debugging and introspection. |
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167 | */ |
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168 | unsigned int apple_glx_get_drawable_count(void); |
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169 | |||
170 | struct apple_glx_drawable *apple_glx_drawable_find_by_type(GLXDrawable |
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171 | drawable, int type, |
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172 | int flags); |
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173 | |||
174 | struct apple_glx_drawable *apple_glx_drawable_find(GLXDrawable drawable, |
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175 | int flags); |
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176 | |||
177 | |||
178 | bool apple_glx_drawable_destroy_by_type(Display * dpy, GLXDrawable drawable, |
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179 | int type); |
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180 | |||
181 | struct apple_glx_drawable *apple_glx_drawable_find_by_uid(unsigned int uid, |
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182 | int flags); |
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183 | |||
184 | /* Surfaces */ |
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185 | |||
186 | bool apple_glx_surface_create(Display * dpy, int screen, GLXDrawable drawable, |
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187 | struct apple_glx_drawable **resultptr); |
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188 | |||
189 | void apple_glx_surface_destroy(unsigned int uid); |
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190 | |||
191 | /* Pbuffers */ |
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192 | |||
193 | /* Returns true if an error occurred. */ |
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194 | bool apple_glx_pbuffer_create(Display * dpy, GLXFBConfig config, |
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195 | int width, int height, int *errorcode, |
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196 | GLXPbuffer * pbuf); |
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197 | |||
198 | /* Returns true if the pbuffer was invalid. */ |
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199 | bool apple_glx_pbuffer_destroy(Display * dpy, GLXPbuffer pbuf); |
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200 | |||
201 | /* Returns true if the pbuffer was valid and the attribute. */ |
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202 | bool apple_glx_pbuffer_query(GLXDrawable d, int attribute, |
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203 | unsigned int *value); |
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204 | |||
205 | /* Returns true if the GLXDrawable is a valid GLXPbuffer, and the mask is set. */ |
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206 | bool apple_glx_pbuffer_set_event_mask(GLXDrawable d, unsigned long mask); |
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207 | |||
208 | /* Returns true if the GLXDrawable is a valid GLXPbuffer, and the *mask is set. */ |
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209 | bool apple_glx_pbuffer_get_event_mask(GLXDrawable d, unsigned long *mask); |
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210 | |||
211 | |||
212 | /* Pixmaps */ |
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213 | |||
214 | /* mode is a struct glx_config * */ |
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215 | /* Returns true if an error occurred. */ |
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216 | bool apple_glx_pixmap_create(Display * dpy, int screen, Pixmap pixmap, |
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217 | const void *mode); |
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218 | |||
219 | /* Returns true if an error occurred. */ |
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220 | bool apple_glx_pixmap_destroy(Display * dpy, Pixmap pixmap); |
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221 | |||
222 | bool apple_glx_pixmap_query(GLXPixmap pixmap, int attribute, |
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223 | unsigned int *value); |
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224 | |||
225 | |||
226 | |||
227 | #endif |