blob: 3945ab6fdd425614198356c15a2f70fc6bf74715 [file] [log] [blame]
José Fonsecac6b49ce2010-11-28 16:43:04 +00001##########################################################################
2#
3# Copyright 2010 VMware, Inc.
4# All Rights Reserved.
5#
6# Permission is hereby granted, free of charge, to any person obtaining a copy
7# of this software and associated documentation files (the "Software"), to deal
8# in the Software without restriction, including without limitation the rights
9# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10# copies of the Software, and to permit persons to whom the Software is
11# furnished to do so, subject to the following conditions:
12#
13# The above copyright notice and this permission notice shall be included in
14# all copies or substantial portions of the Software.
15#
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22# THE SOFTWARE.
23#
24##########################################################################/
25
26
José Fonseca4a826ed2010-11-30 16:58:22 +000027"""Generated an header, glproc.hpp, which does pretty much what GLEW does, but
28covers all the functions we support.
29"""
30
31
José Fonsecac6b49ce2010-11-28 16:43:04 +000032import stdapi
33from glapi import glapi
34from glxapi import glxapi
35from wglapi import wglapi
36
37
38public_symbols = set([
39 "glAccum",
40 "glAlphaFunc",
41 "glAreTexturesResident",
42 "glArrayElement",
43 "glBegin",
44 "glBindTexture",
45 "glBitmap",
46 "glBlendFunc",
47 "glCallList",
48 "glCallLists",
49 "glClear",
50 "glClearAccum",
51 "glClearColor",
52 "glClearDepth",
53 "glClearIndex",
54 "glClearStencil",
55 "glClipPlane",
56 "glColor3b",
57 "glColor3bv",
58 "glColor3d",
59 "glColor3dv",
60 "glColor3f",
61 "glColor3fv",
62 "glColor3i",
63 "glColor3iv",
64 "glColor3s",
65 "glColor3sv",
66 "glColor3ub",
67 "glColor3ubv",
68 "glColor3ui",
69 "glColor3uiv",
70 "glColor3us",
71 "glColor3usv",
72 "glColor4b",
73 "glColor4bv",
74 "glColor4d",
75 "glColor4dv",
76 "glColor4f",
77 "glColor4fv",
78 "glColor4i",
79 "glColor4iv",
80 "glColor4s",
81 "glColor4sv",
82 "glColor4ub",
83 "glColor4ubv",
84 "glColor4ui",
85 "glColor4uiv",
86 "glColor4us",
87 "glColor4usv",
88 "glColorMask",
89 "glColorMaterial",
90 "glColorPointer",
91 "glCopyPixels",
92 "glCopyTexImage1D",
93 "glCopyTexImage2D",
94 "glCopyTexSubImage1D",
95 "glCopyTexSubImage2D",
96 "glCullFace",
97# "glDebugEntry",
98 "glDeleteLists",
99 "glDeleteTextures",
100 "glDepthFunc",
101 "glDepthMask",
102 "glDepthRange",
103 "glDisable",
104 "glDisableClientState",
105 "glDrawArrays",
106 "glDrawBuffer",
107 "glDrawElements",
108 "glDrawPixels",
109 "glEdgeFlag",
110 "glEdgeFlagPointer",
111 "glEdgeFlagv",
112 "glEnable",
113 "glEnableClientState",
114 "glEnd",
115 "glEndList",
116 "glEvalCoord1d",
117 "glEvalCoord1dv",
118 "glEvalCoord1f",
119 "glEvalCoord1fv",
120 "glEvalCoord2d",
121 "glEvalCoord2dv",
122 "glEvalCoord2f",
123 "glEvalCoord2fv",
124 "glEvalMesh1",
125 "glEvalMesh2",
126 "glEvalPoint1",
127 "glEvalPoint2",
128 "glFeedbackBuffer",
129 "glFinish",
130 "glFlush",
131 "glFogf",
132 "glFogfv",
133 "glFogi",
134 "glFogiv",
135 "glFrontFace",
136 "glFrustum",
137 "glGenLists",
138 "glGenTextures",
139 "glGetBooleanv",
140 "glGetClipPlane",
141 "glGetDoublev",
142 "glGetError",
143 "glGetFloatv",
144 "glGetIntegerv",
145 "glGetLightfv",
146 "glGetLightiv",
147 "glGetMapdv",
148 "glGetMapfv",
149 "glGetMapiv",
150 "glGetMaterialfv",
151 "glGetMaterialiv",
152 "glGetPixelMapfv",
153 "glGetPixelMapuiv",
154 "glGetPixelMapusv",
155 "glGetPointerv",
156 "glGetPolygonStipple",
157 "glGetString",
158 "glGetTexEnvfv",
159 "glGetTexEnviv",
160 "glGetTexGendv",
161 "glGetTexGenfv",
162 "glGetTexGeniv",
163 "glGetTexImage",
164 "glGetTexLevelParameterfv",
165 "glGetTexLevelParameteriv",
166 "glGetTexParameterfv",
167 "glGetTexParameteriv",
168 "glHint",
169 "glIndexMask",
170 "glIndexPointer",
171 "glIndexd",
172 "glIndexdv",
173 "glIndexf",
174 "glIndexfv",
175 "glIndexi",
176 "glIndexiv",
177 "glIndexs",
178 "glIndexsv",
179 "glIndexub",
180 "glIndexubv",
181 "glInitNames",
182 "glInterleavedArrays",
183 "glIsEnabled",
184 "glIsList",
185 "glIsTexture",
186 "glLightModelf",
187 "glLightModelfv",
188 "glLightModeli",
189 "glLightModeliv",
190 "glLightf",
191 "glLightfv",
192 "glLighti",
193 "glLightiv",
194 "glLineStipple",
195 "glLineWidth",
196 "glListBase",
197 "glLoadIdentity",
198 "glLoadMatrixd",
199 "glLoadMatrixf",
200 "glLoadName",
201 "glLogicOp",
202 "glMap1d",
203 "glMap1f",
204 "glMap2d",
205 "glMap2f",
206 "glMapGrid1d",
207 "glMapGrid1f",
208 "glMapGrid2d",
209 "glMapGrid2f",
210 "glMaterialf",
211 "glMaterialfv",
212 "glMateriali",
213 "glMaterialiv",
214 "glMatrixMode",
215 "glMultMatrixd",
216 "glMultMatrixf",
217 "glNewList",
218 "glNormal3b",
219 "glNormal3bv",
220 "glNormal3d",
221 "glNormal3dv",
222 "glNormal3f",
223 "glNormal3fv",
224 "glNormal3i",
225 "glNormal3iv",
226 "glNormal3s",
227 "glNormal3sv",
228 "glNormalPointer",
229 "glOrtho",
230 "glPassThrough",
231 "glPixelMapfv",
232 "glPixelMapuiv",
233 "glPixelMapusv",
234 "glPixelStoref",
235 "glPixelStorei",
236 "glPixelTransferf",
237 "glPixelTransferi",
238 "glPixelZoom",
239 "glPointSize",
240 "glPolygonMode",
241 "glPolygonOffset",
242 "glPolygonStipple",
243 "glPopAttrib",
244 "glPopClientAttrib",
245 "glPopMatrix",
246 "glPopName",
247 "glPrioritizeTextures",
248 "glPushAttrib",
249 "glPushClientAttrib",
250 "glPushMatrix",
251 "glPushName",
252 "glRasterPos2d",
253 "glRasterPos2dv",
254 "glRasterPos2f",
255 "glRasterPos2fv",
256 "glRasterPos2i",
257 "glRasterPos2iv",
258 "glRasterPos2s",
259 "glRasterPos2sv",
260 "glRasterPos3d",
261 "glRasterPos3dv",
262 "glRasterPos3f",
263 "glRasterPos3fv",
264 "glRasterPos3i",
265 "glRasterPos3iv",
266 "glRasterPos3s",
267 "glRasterPos3sv",
268 "glRasterPos4d",
269 "glRasterPos4dv",
270 "glRasterPos4f",
271 "glRasterPos4fv",
272 "glRasterPos4i",
273 "glRasterPos4iv",
274 "glRasterPos4s",
275 "glRasterPos4sv",
276 "glReadBuffer",
277 "glReadPixels",
278 "glRectd",
279 "glRectdv",
280 "glRectf",
281 "glRectfv",
282 "glRecti",
283 "glRectiv",
284 "glRects",
285 "glRectsv",
286 "glRenderMode",
287 "glRotated",
288 "glRotatef",
289 "glScaled",
290 "glScalef",
291 "glScissor",
292 "glSelectBuffer",
293 "glShadeModel",
294 "glStencilFunc",
295 "glStencilMask",
296 "glStencilOp",
297 "glTexCoord1d",
298 "glTexCoord1dv",
299 "glTexCoord1f",
300 "glTexCoord1fv",
301 "glTexCoord1i",
302 "glTexCoord1iv",
303 "glTexCoord1s",
304 "glTexCoord1sv",
305 "glTexCoord2d",
306 "glTexCoord2dv",
307 "glTexCoord2f",
308 "glTexCoord2fv",
309 "glTexCoord2i",
310 "glTexCoord2iv",
311 "glTexCoord2s",
312 "glTexCoord2sv",
313 "glTexCoord3d",
314 "glTexCoord3dv",
315 "glTexCoord3f",
316 "glTexCoord3fv",
317 "glTexCoord3i",
318 "glTexCoord3iv",
319 "glTexCoord3s",
320 "glTexCoord3sv",
321 "glTexCoord4d",
322 "glTexCoord4dv",
323 "glTexCoord4f",
324 "glTexCoord4fv",
325 "glTexCoord4i",
326 "glTexCoord4iv",
327 "glTexCoord4s",
328 "glTexCoord4sv",
329 "glTexCoordPointer",
330 "glTexEnvf",
331 "glTexEnvfv",
332 "glTexEnvi",
333 "glTexEnviv",
334 "glTexGend",
335 "glTexGendv",
336 "glTexGenf",
337 "glTexGenfv",
338 "glTexGeni",
339 "glTexGeniv",
340 "glTexImage1D",
341 "glTexImage2D",
342 "glTexParameterf",
343 "glTexParameterfv",
344 "glTexParameteri",
345 "glTexParameteriv",
346 "glTexSubImage1D",
347 "glTexSubImage2D",
348 "glTranslated",
349 "glTranslatef",
350 "glVertex2d",
351 "glVertex2dv",
352 "glVertex2f",
353 "glVertex2fv",
354 "glVertex2i",
355 "glVertex2iv",
356 "glVertex2s",
357 "glVertex2sv",
358 "glVertex3d",
359 "glVertex3dv",
360 "glVertex3f",
361 "glVertex3fv",
362 "glVertex3i",
363 "glVertex3iv",
364 "glVertex3s",
365 "glVertex3sv",
366 "glVertex4d",
367 "glVertex4dv",
368 "glVertex4f",
369 "glVertex4fv",
370 "glVertex4i",
371 "glVertex4iv",
372 "glVertex4s",
373 "glVertex4sv",
374 "glVertexPointer",
375 "glViewport",
376 "wglChoosePixelFormat",
377 "wglCopyContext",
378 "wglCreateContext",
379 "wglCreateLayerContext",
380 "wglDeleteContext",
381 "wglDescribeLayerPlane",
382 "wglDescribePixelFormat",
383 "wglGetCurrentContext",
384 "wglGetCurrentDC",
385 "wglGetDefaultProcAddress",
386 "wglGetLayerPaletteEntries",
387 "wglGetPixelFormat",
388 "wglGetProcAddress",
389 "wglMakeCurrent",
390 "wglRealizeLayerPalette",
391 "wglSetLayerPaletteEntries",
392 "wglSetPixelFormat",
393 "wglShareLists",
394 "wglSwapBuffers",
395 "wglSwapLayerBuffers",
396 "wglSwapMultipleBuffers",
397 "wglUseFontBitmapsA",
398 "wglUseFontBitmapsW",
399 "wglUseFontOutlinesA",
400 "wglUseFontOutlinesW",
401])
402
403
404class Dispatcher:
405
406 def function_pointer_type(self, function):
407 return '__PFN' + function.name.upper()
408
409 def function_pointer_value(self, function):
410 return '__' + function.name + '_ptr'
411
412 def dispatch_function(self, function):
413 if function.name in public_symbols:
414 return
415
416 ptype = self.function_pointer_type(function)
417 pvalue = self.function_pointer_value(function)
418 print 'typedef ' + function.prototype('* %s' % ptype) + ';'
419 print 'static %s %s = NULL;' % (ptype, pvalue)
420 print
421 print 'static inline ' + function.prototype('__' + function.name) + ' {'
422 if function.type is stdapi.Void:
423 ret = ''
424 else:
425 ret = 'return '
426 self.get_true_pointer(function)
427 pvalue = self.function_pointer_value(function)
428 print ' %s%s(%s);' % (ret, pvalue, ', '.join([str(arg.name) for arg in function.args]))
429 print '}'
430 print
431 print '#define %s __%s' % (function.name, function.name)
432
433 def get_true_pointer(self, function):
434 ptype = self.function_pointer_type(function)
435 pvalue = self.function_pointer_value(function)
436 if function.name in public_symbols:
437 get_proc_address = '__getProcAddress'
438 else:
439 get_proc_address = '__glGetProcAddress'
440 print ' if (!%s) {' % (pvalue,)
441 print ' %s = (%s)%s("%s");' % (pvalue, ptype, get_proc_address, function.name)
442 print ' if (!%s) {' % (pvalue,)
443 self.fail_function(function)
444 print ' }'
445 print ' }'
446
447 def fail_function(self, function):
448 print ' std::cerr << "error: unavailable function \\"%s\\"\\n";' % function.name
449 if function.fail is not None:
450 if function.type is stdapi.Void:
451 assert function.fail == ''
452 print ' return;'
453 else:
454 assert function.fail != ''
455 print ' return %s;' % function.fail
456 else:
457 print ' abort();'
458
459
460if __name__ == '__main__':
461 print
462 print '#include "glimports.hpp"'
463 print '#include "os.hpp"'
464 print
465 if 0:
466 print 'typedef void (*__PROC)(void);'
467 print
468 print 'static __PROC __getProcAddress(const char *name);'
469 print
470 print 'static __PROC __glGetProcAddress(const char *name);'
471 else:
472 print '#ifdef WIN32'
473 print '#define __glGetProcAddress wglGetProcAddress'
474 print '#else'
475 print '#define __glGetProcAddress(name) glXGetProcAddress((const GLubyte *)(name))'
476 print '#endif'
477 print
478 dispatcher = Dispatcher()
479 for function in glapi.functions:
480 dispatcher.dispatch_function(function)
481 print
482 if 0:
483 print '''
484
485#ifdef WIN32
486
487static HINSTANCE g_hDll = NULL;
488
489static __PROC
490__getProcAddress(const char *name)
491{
492 if (!g_hDll) {
493 char szDll[MAX_PATH] = {0};
494
495 if (!GetSystemDirectoryA(szDll, MAX_PATH)) {
496 return NULL;
497 }
498
499 strcat(szDll, "\\\\opengl32.dll");
500
501 g_hDll = LoadLibraryA(szDll);
502 if (!g_hDll) {
503 return NULL;
504 }
505 }
506
507 return GetProcAddress(g_hDll, name);
508}
509
510static inline __PROC
511__glGetProcAddress(const char *name) {
512 return __wglGetProcAddress(name);
513}
514
515#else
516
517static void g_module = NULL;
518
519static __PROC
520__getProcAddress(const char *name)
521{
522 if (!g_module) {
523 g_module = dlopen("libGL.so", RTLD_LAZY);
524 if (!g_module) {
525 return NULL;
526 }
527 }
528
529 return (__PROC)dlsym(g_module, name);
530}
531
532static inline __PROC
533__glGetProcAddress(const char *name) {
534 return __glXGetProcAddress(name);
535}
536
537#endif
538
539 '''