| … | |
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| 36 | typedef SV *FUTURE; |
36 | typedef SV *FUTURE; |
| 37 | |
37 | |
| 38 | /*****************************************************************************/ |
38 | /*****************************************************************************/ |
| 39 | |
39 | |
| 40 | // name must include a leading underscore |
40 | // name must include a leading underscore |
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41 | // all of this horrors would be unneceesary if somebody wrote a proper OpenGL module |
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42 | // for perl. doh. |
| 41 | static void * |
43 | static void * |
| 42 | getsym (const char *name) |
44 | glsym (const char *name) |
| 43 | { |
45 | { |
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46 | void *fun = 0; |
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47 | |
| 44 | #if defined I_DLFCN && defined RTLD_DEFAULT |
48 | #if defined I_DLFCN && defined RTLD_DEFAULT |
| 45 | #if !DLSYM_NEEDS_UNDERSCORE |
49 | fun = dlsym (RTLD_DEFAULT, name + 1); |
| 46 | ++name; // skip _ |
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| 47 | #endif |
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| 48 | return dlsym (RTLD_DEFAULT, name); |
50 | if (!fun) fun = dlsym (RTLD_DEFAULT, name); |
| 49 | #else |
51 | |
| 50 | return 0; |
52 | if (!fun) |
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53 | { |
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54 | static void *libgl; |
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55 | static const char *glso[] = { |
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56 | "libGL.so.1", |
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57 | "libGL.so.3", |
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58 | "libGL.so.4.0", |
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59 | "libGL.so", |
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60 | "/usr/lib/libGL.so", |
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61 | "/usr/X11R6/lib/libGL.1.dylib" |
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62 | }; |
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63 | int i; |
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64 | |
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65 | for (i = 0; !libgl && i < sizeof (glso) / sizeof (glso [0]); ++i) |
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66 | { |
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67 | libgl = dlopen (glso [i], RTLD_LAZY); |
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68 | if (libgl) |
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69 | break; |
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70 | } |
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71 | |
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72 | if (libgl) |
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73 | { |
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74 | fun = dlsym (libgl, name + 1); |
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75 | if (!fun) fun = dlsym (libgl, name); |
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76 | } |
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77 | } |
| 51 | #endif |
78 | #endif |
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79 | |
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80 | return fun; |
| 52 | } |
81 | } |
| 53 | |
82 | |
| 54 | /*****************************************************************************/ |
83 | /*****************************************************************************/ |
| 55 | |
84 | |
| 56 | /* up to two temporary buffers */ |
85 | /* up to two temporary buffers */ |
| … | |
… | |
| 178 | |
207 | |
| 179 | for (i = 0; i < len; i += 2) |
208 | for (i = 0; i < len; i += 2) |
| 180 | { |
209 | { |
| 181 | cl_context_properties t = SvIV (*av_fetch (av, i , 0)); |
210 | cl_context_properties t = SvIV (*av_fetch (av, i , 0)); |
| 182 | SV *p_sv = *av_fetch (av, i + 1, 0); |
211 | SV *p_sv = *av_fetch (av, i + 1, 0); |
| 183 | cl_context_properties v; |
212 | cl_context_properties v = SvIV (p_sv); // code below can override |
| 184 | |
213 | |
| 185 | switch (t) |
214 | switch (t) |
| 186 | { |
215 | { |
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216 | case CL_GLX_DISPLAY_KHR: |
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217 | if (!SvOK (p_sv)) |
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218 | { |
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219 | void *func = glsym ("_glXGetCurrentDisplay"); |
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220 | if (func) |
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221 | v = (cl_context_properties)((void *(*)(void))func)(); |
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222 | } |
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223 | break; |
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224 | |
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225 | case CL_GL_CONTEXT_KHR: |
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226 | if (!SvOK (p_sv)) |
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227 | { |
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228 | void *func = glsym ("_glXGetCurrentContext"); |
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229 | if (func) |
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230 | v = (cl_context_properties)((void *(*)(void))func)(); |
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231 | } |
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232 | break; |
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233 | |
| 187 | default: |
234 | default: |
| 188 | /* unknown property, treat as int */ |
235 | /* unknown property, treat as int */ |
| 189 | v = SvIV (p_sv); |
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| 190 | break; |
236 | break; |
| 191 | } |
237 | } |
| 192 | |
238 | |
| 193 | *l++ = t; |
239 | *l++ = t; |
| 194 | *l++ = v; |
240 | *l++ = v; |
