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 """Generated an header, glproc.hpp, which does pretty much what GLEW does, but
  28 covers all the functions we support.
  29 """
  30
  31
  32 import stdapi
  33 from glapi import glapi
  34 from glxapi import glxapi
  35 from wglapi import wglapi
  36
  37
  38 # See http://www.opengl.org/registry/ABI/
  39 public_symbols = set([
  40         "glAccum",
  41         "glAlphaFunc",
  42         "glAreTexturesResident",
  43         "glArrayElement",
  44         "glBegin",
  45         "glBindTexture",
  46         "glBitmap",
  47         "glBlendFunc",
  48         "glCallList",
  49         "glCallLists",
  50         "glClear",
  51         "glClearAccum",
  52         "glClearColor",
  53         "glClearDepth",
  54         "glClearIndex",
  55         "glClearStencil",
  56         "glClipPlane",
  57         "glColor3b",
  58         "glColor3bv",
  59         "glColor3d",
  60         "glColor3dv",
  61         "glColor3f",
  62         "glColor3fv",
  63         "glColor3i",
  64         "glColor3iv",
  65         "glColor3s",
  66         "glColor3sv",
  67         "glColor3ub",
  68         "glColor3ubv",
  69         "glColor3ui",
  70         "glColor3uiv",
  71         "glColor3us",
  72         "glColor3usv",
  73         "glColor4b",
  74         "glColor4bv",
  75         "glColor4d",
  76         "glColor4dv",
  77         "glColor4f",
  78         "glColor4fv",
  79         "glColor4i",
  80         "glColor4iv",
  81         "glColor4s",
  82         "glColor4sv",
  83         "glColor4ub",
  84         "glColor4ubv",
  85         "glColor4ui",
  86         "glColor4uiv",
  87         "glColor4us",
  88         "glColor4usv",
  89         "glColorMask",
  90         "glColorMaterial",
  91         "glColorPointer",
  92         "glCopyPixels",
  93         "glCopyTexImage1D",
  94         "glCopyTexImage2D",
  95         "glCopyTexSubImage1D",
  96         "glCopyTexSubImage2D",
  97         "glCullFace",
  98 #       "glDebugEntry",
  99         "glDeleteLists",
 100         "glDeleteTextures",
 101         "glDepthFunc",
 102         "glDepthMask",
 103         "glDepthRange",
 104         "glDisable",
 105         "glDisableClientState",
 106         "glDrawArrays",
 107         "glDrawBuffer",
 108         "glDrawElements",
 109         "glDrawPixels",
 110         "glEdgeFlag",
 111         "glEdgeFlagPointer",
 112         "glEdgeFlagv",
 113         "glEnable",
 114         "glEnableClientState",
 115         "glEnd",
 116         "glEndList",
 117         "glEvalCoord1d",
 118         "glEvalCoord1dv",
 119         "glEvalCoord1f",
 120         "glEvalCoord1fv",
 121         "glEvalCoord2d",
 122         "glEvalCoord2dv",
 123         "glEvalCoord2f",
 124         "glEvalCoord2fv",
 125         "glEvalMesh1",
 126         "glEvalMesh2",
 127         "glEvalPoint1",
 128         "glEvalPoint2",
 129         "glFeedbackBuffer",
 130         "glFinish",
 131         "glFlush",
 132         "glFogf",
 133         "glFogfv",
 134         "glFogi",
 135         "glFogiv",
 136         "glFrontFace",
 137         "glFrustum",
 138         "glGenLists",
 139         "glGenTextures",
 140         "glGetBooleanv",
 141         "glGetClipPlane",
 142         "glGetDoublev",
 143         "glGetError",
 144         "glGetFloatv",
 145         "glGetIntegerv",
 146         "glGetLightfv",
 147         "glGetLightiv",
 148         "glGetMapdv",
 149         "glGetMapfv",
 150         "glGetMapiv",
 151         "glGetMaterialfv",
 152         "glGetMaterialiv",
 153         "glGetPixelMapfv",
 154         "glGetPixelMapuiv",
 155         "glGetPixelMapusv",
 156         "glGetPointerv",
 157         "glGetPolygonStipple",
 158         "glGetString",
 159         "glGetTexEnvfv",
 160         "glGetTexEnviv",
 161         "glGetTexGendv",
 162         "glGetTexGenfv",
 163         "glGetTexGeniv",
 164         "glGetTexImage",
 165         "glGetTexLevelParameterfv",
 166         "glGetTexLevelParameteriv",
 167         "glGetTexParameterfv",
 168         "glGetTexParameteriv",
 169         "glHint",
 170         "glIndexMask",
 171         "glIndexPointer",
 172         "glIndexd",
 173         "glIndexdv",
 174         "glIndexf",
 175         "glIndexfv",
 176         "glIndexi",
 177         "glIndexiv",
 178         "glIndexs",
 179         "glIndexsv",
 180         "glIndexub",
 181         "glIndexubv",
 182         "glInitNames",
 183         "glInterleavedArrays",
 184         "glIsEnabled",
 185         "glIsList",
 186         "glIsTexture",
 187         "glLightModelf",
 188         "glLightModelfv",
 189         "glLightModeli",
 190         "glLightModeliv",
 191         "glLightf",
 192         "glLightfv",
 193         "glLighti",
 194         "glLightiv",
 195         "glLineStipple",
 196         "glLineWidth",
 197         "glListBase",
 198         "glLoadIdentity",
 199         "glLoadMatrixd",
 200         "glLoadMatrixf",
 201         "glLoadName",
 202         "glLogicOp",
 203         "glMap1d",
 204         "glMap1f",
 205         "glMap2d",
 206         "glMap2f",
 207         "glMapGrid1d",
 208         "glMapGrid1f",
 209         "glMapGrid2d",
 210         "glMapGrid2f",
 211         "glMaterialf",
 212         "glMaterialfv",
 213         "glMateriali",
 214         "glMaterialiv",
 215         "glMatrixMode",
 216         "glMultMatrixd",
 217         "glMultMatrixf",
 218         "glNewList",
 219         "glNormal3b",
 220         "glNormal3bv",
 221         "glNormal3d",
 222         "glNormal3dv",
 223         "glNormal3f",
 224         "glNormal3fv",
 225         "glNormal3i",
 226         "glNormal3iv",
 227         "glNormal3s",
 228         "glNormal3sv",
 229         "glNormalPointer",
 230         "glOrtho",
 231         "glPassThrough",
 232         "glPixelMapfv",
 233         "glPixelMapuiv",
 234         "glPixelMapusv",
 235         "glPixelStoref",
 236         "glPixelStorei",
 237         "glPixelTransferf",
 238         "glPixelTransferi",
 239         "glPixelZoom",
 240         "glPointSize",
 241         "glPolygonMode",
 242         "glPolygonOffset",
 243         "glPolygonStipple",
 244         "glPopAttrib",
 245         "glPopClientAttrib",
 246         "glPopMatrix",
 247         "glPopName",
 248         "glPrioritizeTextures",
 249         "glPushAttrib",
 250         "glPushClientAttrib",
 251         "glPushMatrix",
 252         "glPushName",
 253         "glRasterPos2d",
 254         "glRasterPos2dv",
 255         "glRasterPos2f",
 256         "glRasterPos2fv",
 257         "glRasterPos2i",
 258         "glRasterPos2iv",
 259         "glRasterPos2s",
 260         "glRasterPos2sv",
 261         "glRasterPos3d",
 262         "glRasterPos3dv",
 263         "glRasterPos3f",
 264         "glRasterPos3fv",
 265         "glRasterPos3i",
 266         "glRasterPos3iv",
 267         "glRasterPos3s",
 268         "glRasterPos3sv",
 269         "glRasterPos4d",
 270         "glRasterPos4dv",
 271         "glRasterPos4f",
 272         "glRasterPos4fv",
 273         "glRasterPos4i",
 274         "glRasterPos4iv",
 275         "glRasterPos4s",
 276         "glRasterPos4sv",
 277         "glReadBuffer",
 278         "glReadPixels",
 279         "glRectd",
 280         "glRectdv",
 281         "glRectf",
 282         "glRectfv",
 283         "glRecti",
 284         "glRectiv",
 285         "glRects",
 286         "glRectsv",
 287         "glRenderMode",
 288         "glRotated",
 289         "glRotatef",
 290         "glScaled",
 291         "glScalef",
 292         "glScissor",
 293         "glSelectBuffer",
 294         "glShadeModel",
 295         "glStencilFunc",
 296         "glStencilMask",
 297         "glStencilOp",
 298         "glTexCoord1d",
 299         "glTexCoord1dv",
 300         "glTexCoord1f",
 301         "glTexCoord1fv",
 302         "glTexCoord1i",
 303         "glTexCoord1iv",
 304         "glTexCoord1s",
 305         "glTexCoord1sv",
 306         "glTexCoord2d",
 307         "glTexCoord2dv",
 308         "glTexCoord2f",
 309         "glTexCoord2fv",
 310         "glTexCoord2i",
 311         "glTexCoord2iv",
 312         "glTexCoord2s",
 313         "glTexCoord2sv",
 314         "glTexCoord3d",
 315         "glTexCoord3dv",
 316         "glTexCoord3f",
 317         "glTexCoord3fv",
 318         "glTexCoord3i",
 319         "glTexCoord3iv",
 320         "glTexCoord3s",
 321         "glTexCoord3sv",
 322         "glTexCoord4d",
 323         "glTexCoord4dv",
 324         "glTexCoord4f",
 325         "glTexCoord4fv",
 326         "glTexCoord4i",
 327         "glTexCoord4iv",
 328         "glTexCoord4s",
 329         "glTexCoord4sv",
 330         "glTexCoordPointer",
 331         "glTexEnvf",
 332         "glTexEnvfv",
 333         "glTexEnvi",
 334         "glTexEnviv",
 335         "glTexGend",
 336         "glTexGendv",
 337         "glTexGenf",
 338         "glTexGenfv",
 339         "glTexGeni",
 340         "glTexGeniv",
 341         "glTexImage1D",
 342         "glTexImage2D",
 343         "glTexParameterf",
 344         "glTexParameterfv",
 345         "glTexParameteri",
 346         "glTexParameteriv",
 347         "glTexSubImage1D",
 348         "glTexSubImage2D",
 349         "glTranslated",
 350         "glTranslatef",
 351         "glVertex2d",
 352         "glVertex2dv",
 353         "glVertex2f",
 354         "glVertex2fv",
 355         "glVertex2i",
 356         "glVertex2iv",
 357         "glVertex2s",
 358         "glVertex2sv",
 359         "glVertex3d",
 360         "glVertex3dv",
 361         "glVertex3f",
 362         "glVertex3fv",
 363         "glVertex3i",
 364         "glVertex3iv",
 365         "glVertex3s",
 366         "glVertex3sv",
 367         "glVertex4d",
 368         "glVertex4dv",
 369         "glVertex4f",
 370         "glVertex4fv",
 371         "glVertex4i",
 372         "glVertex4iv",
 373         "glVertex4s",
 374         "glVertex4sv",
 375         "glVertexPointer",
 376         "glViewport",
 377         "wglChoosePixelFormat",
 378         "wglCopyContext",
 379         "wglCreateContext",
 380         "wglCreateLayerContext",
 381         "wglDeleteContext",
 382         "wglDescribeLayerPlane",
 383         "wglDescribePixelFormat",
 384         "wglGetCurrentContext",
 385         "wglGetCurrentDC",
 386         "wglGetDefaultProcAddress",
 387         "wglGetLayerPaletteEntries",
 388         "wglGetPixelFormat",
 389         "wglGetProcAddress",
 390         "wglMakeCurrent",
 391         "wglRealizeLayerPalette",
 392         "wglSetLayerPaletteEntries",
 393         "wglSetPixelFormat",
 394         "wglShareLists",
 395         "wglSwapBuffers",
 396         "wglSwapLayerBuffers",
 397         "wglSwapMultipleBuffers",
 398         "wglUseFontBitmapsA",
 399         "wglUseFontBitmapsW",
 400         "wglUseFontOutlinesA",
 401         "wglUseFontOutlinesW",
 402
 403     "glXGetProcAddressARB",
 404     "glXGetProcAddress",
 405 ])
 406
 407
 408 class Dispatcher:
 409
 410     def header(self):
 411         pass
 412         #print 'typedef void (*__PROC)(void);'
 413         #print
 414         #print 'static __PROC __getPublicProcAddress(const char *name);'
 415         #print 'static __PROC __getPrivateProcAddress(const char *name);'
 416         #print
 417
 418     def dispatch_api(self, api):
 419         for function in api.functions:
 420             dispatcher.dispatch_function(function)
 421
 422         print '#ifdef RETRACE'
 423         for function in api.functions:
 424             if not self.is_public_function(function):
 425                 print '#define %s __%s' % (function.name, function.name)
 426         print '#endif /* RETRACE */'
 427         print
 428
 429     def function_pointer_type(self, function):
 430         return '__PFN' + function.name.upper()
 431
 432     def function_pointer_value(self, function):
 433         return '__' + function.name + '_ptr'
 434
 435     def dispatch_function(self, function):
 436         if self.is_public_function(function):
 437             print '#ifndef RETRACE'
 438             print
 439         ptype = self.function_pointer_type(function)
 440         pvalue = self.function_pointer_value(function)
 441         print 'typedef ' + function.prototype('* %s' % ptype) + ';'
 442         print 'static %s %s = NULL;' % (ptype, pvalue)
 443         print
 444         print 'static inline ' + function.prototype('__' + function.name) + ' {'
 445         if function.type is stdapi.Void:
 446             ret = ''
 447         else:
 448             ret = 'return '
 449         self.get_true_pointer(function)
 450         pvalue = self.function_pointer_value(function)
 451         print '    %s%s(%s);' % (ret, pvalue, ', '.join([str(arg.name) for arg in function.args]))
 452         print '}'
 453         print
 454         if self.is_public_function(function):
 455             print '#endif /* !RETRACE */'
 456             print
 457
 458     def is_public_function(self, function):
 459         return True
 460
 461     def get_true_pointer(self, function):
 462         ptype = self.function_pointer_type(function)
 463         pvalue = self.function_pointer_value(function)
 464         if self.is_public_function(function):
 465             get_proc_address = '__getPublicProcAddress'
 466         else:
 467             get_proc_address = '__getPrivateProcAddress'
 468         print '    if (!%s) {' % (pvalue,)
 469         print '        %s = (%s)%s("%s");' % (pvalue, ptype, get_proc_address, function.name)
 470         print '        if (!%s) {' % (pvalue,)
 471         self.fail_function(function)
 472         print '        }'
 473         print '    }'
 474
 475     def fail_function(self, function):
 476         print '            OS::DebugMessage("error: unavailable function \\"%s\\"\\n");' % function.name
 477         if function.fail is not None:
 478             if function.type is stdapi.Void:
 479                 assert function.fail == ''
 480                 print '            return;'
 481             else:
 482                 assert function.fail != ''
 483                 print '            return %s;' % function.fail
 484         else:
 485             print '            __abort();'
 486
 487
 488 class GlDispatcher(Dispatcher):
 489
 490     def header(self):
 491         Dispatcher.header(self)
 492         print '#ifdef RETRACE'
 493         print '#  ifdef WIN32'
 494         print '#    define __getPrivateProcAddress(name) wglGetProcAddress(name)'
 495         print '#  else'
 496         print '#    define __getPrivateProcAddress(name) glXGetProcAddressARB((const GLubyte *)(name))'
 497         print '#  endif'
 498         print '#  define __abort() OS::Abort()'
 499         print '#else /* !RETRACE */'
 500         print '#  ifdef WIN32'
 501         print '#    define __getPrivateProcAddress(name) __wglGetProcAddress(name)'
 502         print '     static inline PROC __stdcall __wglGetProcAddress(const char * lpszProc);'
 503         print '#  else'
 504         print '#    define __getPublicProcAddress(name) dlsym(RTLD_NEXT, name)'
 505         print '#    define __getPrivateProcAddress(name) __glXGetProcAddressARB((const GLubyte *)(name))'
 506         print '     static inline __GLXextFuncPtr __glXGetProcAddressARB(const GLubyte * procName);'
 507         print '#  endif'
 508         print '#  define __abort() Trace::Abort()'
 509         print '#endif /* !RETRACE */'
 510         print
 511
 512     def is_public_function(self, function):
 513         return function.name in public_symbols
 514
 515
 516 if __name__ == '__main__':
 517     print
 518     print '#include "glimports.hpp"'
 519     print '#include "os.hpp"'
 520     print
 521     print
 522     dispatcher = GlDispatcher()
 523     dispatcher.header()
 524     print '#ifdef WIN32'
 525     print
 526     dispatcher.dispatch_api(wglapi)
 527     print '#else /* !WIN32 */'
 528     print
 529     dispatcher.dispatch_api(glxapi)
 530     print '#endif /* !WIN32 */'
 531     print
 532     dispatcher.dispatch_api(glapi)
 533     print
 534     if 0:
 535         print '''
 536
 537 #ifdef WIN32
 538
 539 static HINSTANCE g_hDll = NULL;
 540
 541 static __PROC
 542 __getProcAddress(const char *name)
 543 {
 544     if (!g_hDll) {
 545         char szDll[MAX_PATH] = {0};
 546
 547         if (!GetSystemDirectoryA(szDll, MAX_PATH)) {
 548             return NULL;
 549         }
 550
 551         strcat(szDll, "\\\\opengl32.dll");
 552
 553         g_hDll = LoadLibraryA(szDll);
 554         if (!g_hDll) {
 555             return NULL;
 556         }
 557     }
 558
 559     return GetProcAddress(g_hDll, name);
 560 }
 561
 562 #else
 563
 564 static void g_module = NULL;
 565
 566 static __PROC
 567 __getProcAddress(const char *name)
 568 {
 569     if (!g_module) {
 570         g_module = dlopen("libGL.so", RTLD_LAZY);
 571         if (!g_module) {
 572             return NULL;
 573         }
 574     }
 575
 576     return (__PROC)dlsym(g_module, name);
 577 }
 578
 579 static inline __PROC
 580 __glGetProcAddress(const char *name) {
 581     return __glXGetProcAddressARB(name);
 582 }
 583
 584 #endif
 585
 586     '''