git.cworth.org Git - apitrace/blob - glproc.py

   1 ##########################################################################
   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
  27 import stdapi
  28 from glapi import glapi
  29 from glxapi import glxapi
  30 from wglapi import wglapi
  31
  32
  33 public_symbols = set([
  34         "glAccum",
  35         "glAlphaFunc",
  36         "glAreTexturesResident",
  37         "glArrayElement",
  38         "glBegin",
  39         "glBindTexture",
  40         "glBitmap",
  41         "glBlendFunc",
  42         "glCallList",
  43         "glCallLists",
  44         "glClear",
  45         "glClearAccum",
  46         "glClearColor",
  47         "glClearDepth",
  48         "glClearIndex",
  49         "glClearStencil",
  50         "glClipPlane",
  51         "glColor3b",
  52         "glColor3bv",
  53         "glColor3d",
  54         "glColor3dv",
  55         "glColor3f",
  56         "glColor3fv",
  57         "glColor3i",
  58         "glColor3iv",
  59         "glColor3s",
  60         "glColor3sv",
  61         "glColor3ub",
  62         "glColor3ubv",
  63         "glColor3ui",
  64         "glColor3uiv",
  65         "glColor3us",
  66         "glColor3usv",
  67         "glColor4b",
  68         "glColor4bv",
  69         "glColor4d",
  70         "glColor4dv",
  71         "glColor4f",
  72         "glColor4fv",
  73         "glColor4i",
  74         "glColor4iv",
  75         "glColor4s",
  76         "glColor4sv",
  77         "glColor4ub",
  78         "glColor4ubv",
  79         "glColor4ui",
  80         "glColor4uiv",
  81         "glColor4us",
  82         "glColor4usv",
  83         "glColorMask",
  84         "glColorMaterial",
  85         "glColorPointer",
  86         "glCopyPixels",
  87         "glCopyTexImage1D",
  88         "glCopyTexImage2D",
  89         "glCopyTexSubImage1D",
  90         "glCopyTexSubImage2D",
  91         "glCullFace",
  92 #       "glDebugEntry",
  93         "glDeleteLists",
  94         "glDeleteTextures",
  95         "glDepthFunc",
  96         "glDepthMask",
  97         "glDepthRange",
  98         "glDisable",
  99         "glDisableClientState",
 100         "glDrawArrays",
 101         "glDrawBuffer",
 102         "glDrawElements",
 103         "glDrawPixels",
 104         "glEdgeFlag",
 105         "glEdgeFlagPointer",
 106         "glEdgeFlagv",
 107         "glEnable",
 108         "glEnableClientState",
 109         "glEnd",
 110         "glEndList",
 111         "glEvalCoord1d",
 112         "glEvalCoord1dv",
 113         "glEvalCoord1f",
 114         "glEvalCoord1fv",
 115         "glEvalCoord2d",
 116         "glEvalCoord2dv",
 117         "glEvalCoord2f",
 118         "glEvalCoord2fv",
 119         "glEvalMesh1",
 120         "glEvalMesh2",
 121         "glEvalPoint1",
 122         "glEvalPoint2",
 123         "glFeedbackBuffer",
 124         "glFinish",
 125         "glFlush",
 126         "glFogf",
 127         "glFogfv",
 128         "glFogi",
 129         "glFogiv",
 130         "glFrontFace",
 131         "glFrustum",
 132         "glGenLists",
 133         "glGenTextures",
 134         "glGetBooleanv",
 135         "glGetClipPlane",
 136         "glGetDoublev",
 137         "glGetError",
 138         "glGetFloatv",
 139         "glGetIntegerv",
 140         "glGetLightfv",
 141         "glGetLightiv",
 142         "glGetMapdv",
 143         "glGetMapfv",
 144         "glGetMapiv",
 145         "glGetMaterialfv",
 146         "glGetMaterialiv",
 147         "glGetPixelMapfv",
 148         "glGetPixelMapuiv",
 149         "glGetPixelMapusv",
 150         "glGetPointerv",
 151         "glGetPolygonStipple",
 152         "glGetString",
 153         "glGetTexEnvfv",
 154         "glGetTexEnviv",
 155         "glGetTexGendv",
 156         "glGetTexGenfv",
 157         "glGetTexGeniv",
 158         "glGetTexImage",
 159         "glGetTexLevelParameterfv",
 160         "glGetTexLevelParameteriv",
 161         "glGetTexParameterfv",
 162         "glGetTexParameteriv",
 163         "glHint",
 164         "glIndexMask",
 165         "glIndexPointer",
 166         "glIndexd",
 167         "glIndexdv",
 168         "glIndexf",
 169         "glIndexfv",
 170         "glIndexi",
 171         "glIndexiv",
 172         "glIndexs",
 173         "glIndexsv",
 174         "glIndexub",
 175         "glIndexubv",
 176         "glInitNames",
 177         "glInterleavedArrays",
 178         "glIsEnabled",
 179         "glIsList",
 180         "glIsTexture",
 181         "glLightModelf",
 182         "glLightModelfv",
 183         "glLightModeli",
 184         "glLightModeliv",
 185         "glLightf",
 186         "glLightfv",
 187         "glLighti",
 188         "glLightiv",
 189         "glLineStipple",
 190         "glLineWidth",
 191         "glListBase",
 192         "glLoadIdentity",
 193         "glLoadMatrixd",
 194         "glLoadMatrixf",
 195         "glLoadName",
 196         "glLogicOp",
 197         "glMap1d",
 198         "glMap1f",
 199         "glMap2d",
 200         "glMap2f",
 201         "glMapGrid1d",
 202         "glMapGrid1f",
 203         "glMapGrid2d",
 204         "glMapGrid2f",
 205         "glMaterialf",
 206         "glMaterialfv",
 207         "glMateriali",
 208         "glMaterialiv",
 209         "glMatrixMode",
 210         "glMultMatrixd",
 211         "glMultMatrixf",
 212         "glNewList",
 213         "glNormal3b",
 214         "glNormal3bv",
 215         "glNormal3d",
 216         "glNormal3dv",
 217         "glNormal3f",
 218         "glNormal3fv",
 219         "glNormal3i",
 220         "glNormal3iv",
 221         "glNormal3s",
 222         "glNormal3sv",
 223         "glNormalPointer",
 224         "glOrtho",
 225         "glPassThrough",
 226         "glPixelMapfv",
 227         "glPixelMapuiv",
 228         "glPixelMapusv",
 229         "glPixelStoref",
 230         "glPixelStorei",
 231         "glPixelTransferf",
 232         "glPixelTransferi",
 233         "glPixelZoom",
 234         "glPointSize",
 235         "glPolygonMode",
 236         "glPolygonOffset",
 237         "glPolygonStipple",
 238         "glPopAttrib",
 239         "glPopClientAttrib",
 240         "glPopMatrix",
 241         "glPopName",
 242         "glPrioritizeTextures",
 243         "glPushAttrib",
 244         "glPushClientAttrib",
 245         "glPushMatrix",
 246         "glPushName",
 247         "glRasterPos2d",
 248         "glRasterPos2dv",
 249         "glRasterPos2f",
 250         "glRasterPos2fv",
 251         "glRasterPos2i",
 252         "glRasterPos2iv",
 253         "glRasterPos2s",
 254         "glRasterPos2sv",
 255         "glRasterPos3d",
 256         "glRasterPos3dv",
 257         "glRasterPos3f",
 258         "glRasterPos3fv",
 259         "glRasterPos3i",
 260         "glRasterPos3iv",
 261         "glRasterPos3s",
 262         "glRasterPos3sv",
 263         "glRasterPos4d",
 264         "glRasterPos4dv",
 265         "glRasterPos4f",
 266         "glRasterPos4fv",
 267         "glRasterPos4i",
 268         "glRasterPos4iv",
 269         "glRasterPos4s",
 270         "glRasterPos4sv",
 271         "glReadBuffer",
 272         "glReadPixels",
 273         "glRectd",
 274         "glRectdv",
 275         "glRectf",
 276         "glRectfv",
 277         "glRecti",
 278         "glRectiv",
 279         "glRects",
 280         "glRectsv",
 281         "glRenderMode",
 282         "glRotated",
 283         "glRotatef",
 284         "glScaled",
 285         "glScalef",
 286         "glScissor",
 287         "glSelectBuffer",
 288         "glShadeModel",
 289         "glStencilFunc",
 290         "glStencilMask",
 291         "glStencilOp",
 292         "glTexCoord1d",
 293         "glTexCoord1dv",
 294         "glTexCoord1f",
 295         "glTexCoord1fv",
 296         "glTexCoord1i",
 297         "glTexCoord1iv",
 298         "glTexCoord1s",
 299         "glTexCoord1sv",
 300         "glTexCoord2d",
 301         "glTexCoord2dv",
 302         "glTexCoord2f",
 303         "glTexCoord2fv",
 304         "glTexCoord2i",
 305         "glTexCoord2iv",
 306         "glTexCoord2s",
 307         "glTexCoord2sv",
 308         "glTexCoord3d",
 309         "glTexCoord3dv",
 310         "glTexCoord3f",
 311         "glTexCoord3fv",
 312         "glTexCoord3i",
 313         "glTexCoord3iv",
 314         "glTexCoord3s",
 315         "glTexCoord3sv",
 316         "glTexCoord4d",
 317         "glTexCoord4dv",
 318         "glTexCoord4f",
 319         "glTexCoord4fv",
 320         "glTexCoord4i",
 321         "glTexCoord4iv",
 322         "glTexCoord4s",
 323         "glTexCoord4sv",
 324         "glTexCoordPointer",
 325         "glTexEnvf",
 326         "glTexEnvfv",
 327         "glTexEnvi",
 328         "glTexEnviv",
 329         "glTexGend",
 330         "glTexGendv",
 331         "glTexGenf",
 332         "glTexGenfv",
 333         "glTexGeni",
 334         "glTexGeniv",
 335         "glTexImage1D",
 336         "glTexImage2D",
 337         "glTexParameterf",
 338         "glTexParameterfv",
 339         "glTexParameteri",
 340         "glTexParameteriv",
 341         "glTexSubImage1D",
 342         "glTexSubImage2D",
 343         "glTranslated",
 344         "glTranslatef",
 345         "glVertex2d",
 346         "glVertex2dv",
 347         "glVertex2f",
 348         "glVertex2fv",
 349         "glVertex2i",
 350         "glVertex2iv",
 351         "glVertex2s",
 352         "glVertex2sv",
 353         "glVertex3d",
 354         "glVertex3dv",
 355         "glVertex3f",
 356         "glVertex3fv",
 357         "glVertex3i",
 358         "glVertex3iv",
 359         "glVertex3s",
 360         "glVertex3sv",
 361         "glVertex4d",
 362         "glVertex4dv",
 363         "glVertex4f",
 364         "glVertex4fv",
 365         "glVertex4i",
 366         "glVertex4iv",
 367         "glVertex4s",
 368         "glVertex4sv",
 369         "glVertexPointer",
 370         "glViewport",
 371         "wglChoosePixelFormat",
 372         "wglCopyContext",
 373         "wglCreateContext",
 374         "wglCreateLayerContext",
 375         "wglDeleteContext",
 376         "wglDescribeLayerPlane",
 377         "wglDescribePixelFormat",
 378         "wglGetCurrentContext",
 379         "wglGetCurrentDC",
 380         "wglGetDefaultProcAddress",
 381         "wglGetLayerPaletteEntries",
 382         "wglGetPixelFormat",
 383         "wglGetProcAddress",
 384         "wglMakeCurrent",
 385         "wglRealizeLayerPalette",
 386         "wglSetLayerPaletteEntries",
 387         "wglSetPixelFormat",
 388         "wglShareLists",
 389         "wglSwapBuffers",
 390         "wglSwapLayerBuffers",
 391         "wglSwapMultipleBuffers",
 392         "wglUseFontBitmapsA",
 393         "wglUseFontBitmapsW",
 394         "wglUseFontOutlinesA",
 395         "wglUseFontOutlinesW",
 396 ])
 397
 398
 399 class Dispatcher:
 400
 401     def function_pointer_type(self, function):
 402         return '__PFN' + function.name.upper()
 403
 404     def function_pointer_value(self, function):
 405         return '__' + function.name + '_ptr'
 406
 407     def dispatch_function(self, function):
 408         if function.name in public_symbols:
 409             return
 410
 411         ptype = self.function_pointer_type(function)
 412         pvalue = self.function_pointer_value(function)
 413         print 'typedef ' + function.prototype('* %s' % ptype) + ';'
 414         print 'static %s %s = NULL;' % (ptype, pvalue)
 415         print
 416         print 'static inline ' + function.prototype('__' + function.name) + ' {'
 417         if function.type is stdapi.Void:
 418             ret = ''
 419         else:
 420             ret = 'return '
 421         self.get_true_pointer(function)
 422         pvalue = self.function_pointer_value(function)
 423         print '    %s%s(%s);' % (ret, pvalue, ', '.join([str(arg.name) for arg in function.args]))
 424         print '}'
 425         print
 426         print '#define %s __%s' % (function.name, function.name)
 427
 428     def get_true_pointer(self, function):
 429         ptype = self.function_pointer_type(function)
 430         pvalue = self.function_pointer_value(function)
 431         if function.name in public_symbols:
 432             get_proc_address = '__getProcAddress'
 433         else:
 434             get_proc_address = '__glGetProcAddress'
 435         print '    if (!%s) {' % (pvalue,)
 436         print '        %s = (%s)%s("%s");' % (pvalue, ptype, get_proc_address, function.name)
 437         print '        if (!%s) {' % (pvalue,)
 438         self.fail_function(function)
 439         print '        }'
 440         print '    }'
 441
 442     def fail_function(self, function):
 443         print '    std::cerr << "error: unavailable function \\"%s\\"\\n";' % function.name
 444         if function.fail is not None:
 445             if function.type is stdapi.Void:
 446                 assert function.fail == ''
 447                 print '            return;'
 448             else:
 449                 assert function.fail != ''
 450                 print '            return %s;' % function.fail
 451         else:
 452             print '            abort();'
 453
 454
 455 if __name__ == '__main__':
 456     print
 457     print '#include "glimports.hpp"'
 458     print '#include "os.hpp"'
 459     print
 460     if 0:
 461         print 'typedef void (*__PROC)(void);'
 462         print
 463         print 'static __PROC __getProcAddress(const char *name);'
 464         print
 465         print 'static __PROC __glGetProcAddress(const char *name);'
 466     else:
 467         print '#ifdef WIN32'
 468         print '#define __glGetProcAddress wglGetProcAddress'
 469         print '#else'
 470         print '#define __glGetProcAddress(name) glXGetProcAddress((const GLubyte *)(name))'
 471         print '#endif'
 472     print
 473     dispatcher = Dispatcher()
 474     for function in glapi.functions:
 475         dispatcher.dispatch_function(function)
 476     print
 477     if 0:
 478         print '''
 479
 480 #ifdef WIN32
 481
 482 static HINSTANCE g_hDll = NULL;
 483
 484 static __PROC
 485 __getProcAddress(const char *name)
 486 {
 487     if (!g_hDll) {
 488         char szDll[MAX_PATH] = {0};
 489
 490         if (!GetSystemDirectoryA(szDll, MAX_PATH)) {
 491             return NULL;
 492         }
 493
 494         strcat(szDll, "\\\\opengl32.dll");
 495
 496         g_hDll = LoadLibraryA(szDll);
 497         if (!g_hDll) {
 498             return NULL;
 499         }
 500     }
 501
 502     return GetProcAddress(g_hDll, name);
 503 }
 504
 505 static inline __PROC
 506 __glGetProcAddress(const char *name) {
 507     return __wglGetProcAddress(name);
 508 }
 509
 510 #else
 511
 512 static void g_module = NULL;
 513
 514 static __PROC
 515 __getProcAddress(const char *name)
 516 {
 517     if (!g_module) {
 518         g_module = dlopen("libGL.so", RTLD_LAZY);
 519         if (!g_module) {
 520             return NULL;
 521         }
 522     }
 523
 524     return (__PROC)dlsym(g_module, name);
 525 }
 526
 527 static inline __PROC
 528 __glGetProcAddress(const char *name) {
 529     return __glXGetProcAddress(name);
 530 }
 531
 532 #endif
 533
 534     '''