| 1 | # Copyright (c) 2001, Stanford University
|
|---|
| 2 | # All rights reserved.
|
|---|
| 3 | #
|
|---|
| 4 | # See the file LICENSE.txt for information on redistributing this software.
|
|---|
| 5 |
|
|---|
| 6 |
|
|---|
| 7 | import sys
|
|---|
| 8 | import apiutil
|
|---|
| 9 |
|
|---|
| 10 |
|
|---|
| 11 | keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
|
|---|
| 12 |
|
|---|
| 13 | apiutil.CopyrightC()
|
|---|
| 14 |
|
|---|
| 15 | print """
|
|---|
| 16 | /* DO NOT EDIT - THIS FILE GENERATED BY THE glloader.py SCRIPT */
|
|---|
| 17 | #include "cr_error.h"
|
|---|
| 18 | #include "cr_dll.h"
|
|---|
| 19 | #include "cr_spu.h"
|
|---|
| 20 | #include "cr_string.h"
|
|---|
| 21 | #include "cr_error.h"
|
|---|
| 22 | #include "cr_environment.h"
|
|---|
| 23 |
|
|---|
| 24 | #include <stdio.h>
|
|---|
| 25 | #if defined(WINDOWS)
|
|---|
| 26 | #include <windows.h>
|
|---|
| 27 | #include <process.h>
|
|---|
| 28 | #include <direct.h>
|
|---|
| 29 | #define SYSTEM_GL "opengl32.dll"
|
|---|
| 30 | #elif defined (DARWIN)
|
|---|
| 31 | #define SYSTEM_GL "libGL.dylib"
|
|---|
| 32 | #define SYSTEM_CGL "OpenGL"
|
|---|
| 33 | #define SYSTEM_AGL "AGL"
|
|---|
| 34 | #elif defined(IRIX) || defined(IRIX64) || defined(Linux) || defined(FreeBSD) || defined(AIX) || defined(SunOS) || defined(OSF1)
|
|---|
| 35 | #if defined(Linux)
|
|---|
| 36 | #include <string.h>
|
|---|
| 37 | #endif
|
|---|
| 38 | #if defined(AIX)
|
|---|
| 39 | #define SYSTEM_GL "libGL.o"
|
|---|
| 40 | #else
|
|---|
| 41 | #define SYSTEM_GL "libGL.so.1"
|
|---|
| 42 | #endif
|
|---|
| 43 | typedef void (*glxfuncptr)();
|
|---|
| 44 | extern glxfuncptr glxGetProcAddressARB( const GLubyte *name );
|
|---|
| 45 | #else
|
|---|
| 46 | #error I don't know where your system's GL lives. Too bad.
|
|---|
| 47 | #endif
|
|---|
| 48 |
|
|---|
| 49 | static CRDLL *glDll = NULL;
|
|---|
| 50 |
|
|---|
| 51 | #ifdef DARWIN
|
|---|
| 52 | #define SYSTEM_GL_LIB_DIR "/System/Library/Frameworks/OpenGL.framework/Libraries"
|
|---|
| 53 | #define SYSTEM_CGL_DIR "/System/Library/Frameworks/OpenGL.framework"
|
|---|
| 54 | #define SYSTEM_AGL_DIR "/System/Library/Frameworks/AGL.framework"
|
|---|
| 55 |
|
|---|
| 56 | static CRDLL *cglDll = NULL;
|
|---|
| 57 | static CRDLL *aglDll = NULL;
|
|---|
| 58 | #endif
|
|---|
| 59 |
|
|---|
| 60 | #if defined(WINDOWS)
|
|---|
| 61 | #define GLLOADER_APIENTRY __stdcall
|
|---|
| 62 | #else
|
|---|
| 63 | #define GLLOADER_APIENTRY
|
|---|
| 64 | #endif
|
|---|
| 65 |
|
|---|
| 66 |
|
|---|
| 67 | /*
|
|---|
| 68 | * Add an entry to the SPUNamedFunctionTable
|
|---|
| 69 | */
|
|---|
| 70 | static int
|
|---|
| 71 | fillin( SPUNamedFunctionTable *entry, const char *funcName, SPUGenericFunction funcPtr )
|
|---|
| 72 | {
|
|---|
| 73 | if (funcPtr) {
|
|---|
| 74 | entry->name = crStrdup( funcName );
|
|---|
| 75 | entry->fn = funcPtr;
|
|---|
| 76 | return 1;
|
|---|
| 77 | }
|
|---|
| 78 | return 0;
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | #ifndef WINDOWS
|
|---|
| 82 | static int FileExists(char *directory, char *filename)
|
|---|
| 83 | {
|
|---|
| 84 | FILE *f;
|
|---|
| 85 | char fullFilename[8096];
|
|---|
| 86 |
|
|---|
| 87 | crStrcpy(fullFilename, directory);
|
|---|
| 88 | crStrcat(fullFilename, "/");
|
|---|
| 89 | crStrcat(fullFilename, filename);
|
|---|
| 90 |
|
|---|
| 91 | f = fopen(fullFilename, "r");
|
|---|
| 92 | if (f) {
|
|---|
| 93 | fclose(f);
|
|---|
| 94 | return 1;
|
|---|
| 95 | }
|
|---|
| 96 | else {
|
|---|
| 97 | return 0;
|
|---|
| 98 | }
|
|---|
| 99 | }
|
|---|
| 100 | #endif
|
|---|
| 101 |
|
|---|
| 102 |
|
|---|
| 103 | /*
|
|---|
| 104 | * Locate the native OpenGL library, open it and return shared library
|
|---|
| 105 | * handle.
|
|---|
| 106 | */
|
|---|
| 107 | static CRDLL *
|
|---|
| 108 | __findSystemLib( const char *provided_system_path, char *lib )
|
|---|
| 109 | {
|
|---|
| 110 | CRDLL *dll;
|
|---|
| 111 | char system_path[8096];
|
|---|
| 112 |
|
|---|
| 113 | memset(system_path, 0, sizeof(system_path));
|
|---|
| 114 |
|
|---|
| 115 | if (provided_system_path && (crStrlen(provided_system_path) > 0) )
|
|---|
| 116 | {
|
|---|
| 117 | crStrcpy( system_path, provided_system_path );
|
|---|
| 118 | }
|
|---|
| 119 | else
|
|---|
| 120 | {
|
|---|
| 121 | #if defined(WINDOWS)
|
|---|
| 122 | GetSystemDirectory(system_path, MAX_PATH);
|
|---|
| 123 | #elif defined(IRIX) || defined(IRIX64)
|
|---|
| 124 | #ifdef IRIX_64BIT
|
|---|
| 125 | crStrcpy( system_path, "/usr/lib64" );
|
|---|
| 126 | #else
|
|---|
| 127 | crStrcpy( system_path, "/usr/lib32" );
|
|---|
| 128 | #endif
|
|---|
| 129 | #elif defined(PLAYSTATION2)
|
|---|
| 130 | crStrcpy( system_path, "/usr/X11R6/lib" );
|
|---|
| 131 | #else
|
|---|
| 132 | /* On RedHat 9, the correct default system directory
|
|---|
| 133 | * is /usr/lib/tls/ (and if /usr/lib/ is used,
|
|---|
| 134 | * the dynamic loader will generate a floating point
|
|---|
| 135 | * exception SIGFPE). On other systems, including
|
|---|
| 136 | * earlier versions of RedHat, the OpenGL library
|
|---|
| 137 | * lives in /usr/lib. We'll use the /usr/lib/tls/
|
|---|
| 138 | * version if it exists; otherwise, we'll use /usr/lib.
|
|---|
| 139 | */
|
|---|
| 140 | /*crStrcpy(system_path, "/usr/lib");*/
|
|---|
| 141 | #if defined(__linux__) && defined(__amd64__)
|
|---|
| 142 | /*if (sizeof(void *) == 8 && FileExists("/usr/lib64", lib)) {
|
|---|
| 143 | crStrcat(system_path, "64");
|
|---|
| 144 | }*/
|
|---|
| 145 | #endif
|
|---|
| 146 | /*if (FileExists("/usr/lib/tls", lib) ||
|
|---|
| 147 | FileExists("/usr/lib64/tls", lib)) {
|
|---|
| 148 | crStrcat(system_path, "/tls");
|
|---|
| 149 | }*/
|
|---|
| 150 | #endif
|
|---|
| 151 | }
|
|---|
| 152 | #if !defined(__linux__) && !defined(SunOS)
|
|---|
| 153 | crStrcat( system_path, "/" );
|
|---|
| 154 | #endif
|
|---|
| 155 | crStrcat( system_path, lib );
|
|---|
| 156 | dll = crDLLOpen( system_path, 1 /*resolveGlobal*/ );
|
|---|
| 157 | return dll;
|
|---|
| 158 | }
|
|---|
| 159 |
|
|---|
| 160 |
|
|---|
| 161 | static CRDLL *
|
|---|
| 162 | #ifdef DARWIN
|
|---|
| 163 | __findSystemGL( const char *provided_system_path, const char *default_system_path, char *provided_lib_name )
|
|---|
| 164 | #else
|
|---|
| 165 | __findSystemGL( const char *provided_system_path )
|
|---|
| 166 | #endif
|
|---|
| 167 | {
|
|---|
| 168 | #ifdef DARWIN
|
|---|
| 169 | const char *the_path = (provided_system_path && crStrlen(provided_system_path) > 0) ? provided_system_path : default_system_path;
|
|---|
| 170 |
|
|---|
| 171 | /* Fallback for loading frameworks */
|
|---|
| 172 | if( !provided_lib_name )
|
|---|
| 173 | return crDLLOpen( the_path, 1 );
|
|---|
| 174 | else
|
|---|
| 175 | return __findSystemLib( the_path, provided_lib_name );
|
|---|
| 176 | #else
|
|---|
| 177 | return __findSystemLib( provided_system_path, SYSTEM_GL );
|
|---|
| 178 | #endif
|
|---|
| 179 | }
|
|---|
| 180 |
|
|---|
| 181 | static SPUGenericFunction
|
|---|
| 182 | findExtFunction( const crOpenGLInterface *interface, const char *funcName )
|
|---|
| 183 | {
|
|---|
| 184 | #ifdef WINDOWS
|
|---|
| 185 | if (interface->wglGetProcAddress)
|
|---|
| 186 | return (SPUGenericFunction) interface->wglGetProcAddress( funcName );
|
|---|
| 187 | else
|
|---|
| 188 | return (SPUGenericFunction) NULL;
|
|---|
| 189 | #else
|
|---|
| 190 | /* XXX for some reason, the NVIDIA glXGetProcAddressARB() function
|
|---|
| 191 | * returns pointers that cause Chromium to crash. If we use the
|
|---|
| 192 | * pointer returned by crDLLGetNoError() instead, we're OK.
|
|---|
| 193 | */
|
|---|
| 194 | SPUGenericFunction f = crDLLGetNoError(glDll, funcName);
|
|---|
| 195 | if (f)
|
|---|
| 196 | return f;
|
|---|
| 197 | #if !defined(DARWIN)
|
|---|
| 198 | else if (interface->glXGetProcAddressARB)
|
|---|
| 199 | return interface->glXGetProcAddressARB( (const GLubyte *) funcName );
|
|---|
| 200 | #endif
|
|---|
| 201 | else
|
|---|
| 202 | return NULL;
|
|---|
| 203 | #endif
|
|---|
| 204 | }
|
|---|
| 205 | """
|
|---|
| 206 |
|
|---|
| 207 |
|
|---|
| 208 | def IsExtensionFunc(func_name):
|
|---|
| 209 | """Determine if the named function is a core function, or extension."""
|
|---|
| 210 | cat = apiutil.Category(func_name)
|
|---|
| 211 | if cat == "1.0" or cat == "1.1" or cat == "1.2" or cat == "1.3":
|
|---|
| 212 | return 0
|
|---|
| 213 | else:
|
|---|
| 214 | return 1
|
|---|
| 215 |
|
|---|
| 216 | #
|
|---|
| 217 | # Generate a no-op function.
|
|---|
| 218 | #
|
|---|
| 219 | def GenerateNop(func_name):
|
|---|
| 220 | return_type = apiutil.ReturnType(func_name);
|
|---|
| 221 | params = apiutil.Parameters(func_name)
|
|---|
| 222 | print 'static %s GLLOADER_APIENTRY Nop%s(%s)' % (return_type, func_name, apiutil.MakeDeclarationString(params))
|
|---|
| 223 | print '{'
|
|---|
| 224 | for (name, type, vecSize) in params:
|
|---|
| 225 | if name != "":
|
|---|
| 226 | print '\t(void) %s;' % name
|
|---|
| 227 | if apiutil.ReturnType(func_name) != 'void':
|
|---|
| 228 | print '\treturn 0;'
|
|---|
| 229 | print '}'
|
|---|
| 230 | print ''
|
|---|
| 231 |
|
|---|
| 232 |
|
|---|
| 233 |
|
|---|
| 234 | #
|
|---|
| 235 | # Make no-op funcs for all OpenGL extension functions
|
|---|
| 236 | #
|
|---|
| 237 | for func_name in keys:
|
|---|
| 238 | if IsExtensionFunc(func_name):
|
|---|
| 239 | GenerateNop(func_name)
|
|---|
| 240 |
|
|---|
| 241 |
|
|---|
| 242 | #
|
|---|
| 243 | # Generate the crLoadOpenGL() function
|
|---|
| 244 | #
|
|---|
| 245 | print """
|
|---|
| 246 | void
|
|---|
| 247 | crUnloadOpenGL( void )
|
|---|
| 248 | {
|
|---|
| 249 | crDLLClose( glDll );
|
|---|
| 250 | glDll = NULL;
|
|---|
| 251 |
|
|---|
| 252 | #ifdef DARWIN
|
|---|
| 253 | crDLLClose( cglDll );
|
|---|
| 254 | cglDll = NULL;
|
|---|
| 255 |
|
|---|
| 256 | crDLLClose( aglDll );
|
|---|
| 257 | aglDll = NULL;
|
|---|
| 258 | #endif
|
|---|
| 259 | }
|
|---|
| 260 |
|
|---|
| 261 | /*
|
|---|
| 262 | * Initialize the 'interface' structure with the WGL or GLX window system
|
|---|
| 263 | * interface functions.
|
|---|
| 264 | * Then, fill in the table with (name, pointer) pairs for all the core
|
|---|
| 265 | * OpenGL entrypoint functions. But only if table is not NULL
|
|---|
| 266 | * Return: number of entries placed in table[], or 0 if error.
|
|---|
| 267 | */
|
|---|
| 268 | int
|
|---|
| 269 | crLoadOpenGL( crOpenGLInterface *interface, SPUNamedFunctionTable table[] )
|
|---|
| 270 | {
|
|---|
| 271 | static const char *coreFunctions[] = {
|
|---|
| 272 | """
|
|---|
| 273 |
|
|---|
| 274 | for func_name in keys:
|
|---|
| 275 | if not IsExtensionFunc(func_name):
|
|---|
| 276 | print '\t\t"gl%s",' % func_name
|
|---|
| 277 |
|
|---|
| 278 | print """
|
|---|
| 279 | NULL
|
|---|
| 280 | };
|
|---|
| 281 | SPUNamedFunctionTable *entry = table;
|
|---|
| 282 | int i;
|
|---|
| 283 |
|
|---|
| 284 | const char *env_syspath = crGetenv( "CR_SYSTEM_GL_PATH" );
|
|---|
| 285 | #ifdef DARWIN
|
|---|
| 286 | const char *env_cgl_syspath = crGetenv( "CR_SYSTEM_CGL_PATH" );
|
|---|
| 287 | const char *env_agl_syspath = crGetenv( "CR_SYSTEM_AGL_PATH" );
|
|---|
| 288 | #endif
|
|---|
| 289 |
|
|---|
| 290 | crDebug( "Looking for the system's OpenGL library..." );
|
|---|
| 291 | #ifdef DARWIN
|
|---|
| 292 | glDll = __findSystemGL( env_syspath, SYSTEM_GL_LIB_DIR, SYSTEM_GL );
|
|---|
| 293 | #else
|
|---|
| 294 | glDll = __findSystemGL( env_syspath );
|
|---|
| 295 | #endif
|
|---|
| 296 | if (!glDll)
|
|---|
| 297 | {
|
|---|
| 298 | crError("Unable to find system OpenGL!");
|
|---|
| 299 | return 0;
|
|---|
| 300 | }
|
|---|
| 301 |
|
|---|
| 302 | crDebug( "Found it in %s.", !env_syspath ? "default path" : env_syspath );
|
|---|
| 303 |
|
|---|
| 304 | #ifdef DARWIN
|
|---|
| 305 | crDebug( "Looking for the system's CGL library..." );
|
|---|
| 306 | cglDll = __findSystemGL( env_cgl_syspath, SYSTEM_CGL_DIR, SYSTEM_CGL );
|
|---|
| 307 | if (!cglDll)
|
|---|
| 308 | {
|
|---|
| 309 | crError("Unable to find system CGL!");
|
|---|
| 310 | return 0;
|
|---|
| 311 | }
|
|---|
| 312 |
|
|---|
| 313 | crDebug( "Found it in %s.", !env_cgl_syspath ? "default path" : env_cgl_syspath );
|
|---|
| 314 |
|
|---|
| 315 | crDebug( "Looking for the system's AGL library..." );
|
|---|
| 316 | aglDll = __findSystemGL( env_agl_syspath, SYSTEM_AGL_DIR, SYSTEM_AGL );
|
|---|
| 317 | if (!aglDll)
|
|---|
| 318 | {
|
|---|
| 319 | crError("Unable to find system AGL!");
|
|---|
| 320 | return 0;
|
|---|
| 321 | }
|
|---|
| 322 |
|
|---|
| 323 | crDebug( "Found it in %s.", !env_agl_syspath ? "default path" : env_agl_syspath );
|
|---|
| 324 | #endif
|
|---|
| 325 | """
|
|---|
| 326 |
|
|---|
| 327 | useful_wgl_functions = [
|
|---|
| 328 | "wglGetProcAddress",
|
|---|
| 329 | "wglMakeCurrent",
|
|---|
| 330 | "wglSwapBuffers",
|
|---|
| 331 | "wglCreateContext",
|
|---|
| 332 | "wglDeleteContext",
|
|---|
| 333 | "wglGetCurrentContext",
|
|---|
| 334 | "wglChoosePixelFormat",
|
|---|
| 335 | "wglDescribePixelFormat",
|
|---|
| 336 | "wglSetPixelFormat",
|
|---|
| 337 | "wglChoosePixelFormatEXT",
|
|---|
| 338 | "wglGetPixelFormatAttribivEXT",
|
|---|
| 339 | "wglGetPixelFormatAttribfvEXT",
|
|---|
| 340 | "glGetString"
|
|---|
| 341 | ]
|
|---|
| 342 | useful_agl_functions = [
|
|---|
| 343 | "aglCreateContext",
|
|---|
| 344 | "aglDestroyContext",
|
|---|
| 345 | "aglSetCurrentContext",
|
|---|
| 346 | "aglSwapBuffers",
|
|---|
| 347 | "aglChoosePixelFormat",
|
|---|
| 348 | "aglDestroyPixelFormat",
|
|---|
| 349 | "aglDescribePixelFormat",
|
|---|
| 350 | "aglGetCurrentContext",
|
|---|
| 351 | "aglSetDrawable",
|
|---|
| 352 | "aglGetDrawable",
|
|---|
| 353 | "aglSetFullScreen",
|
|---|
| 354 | "aglUpdateContext",
|
|---|
| 355 | "aglUseFont",
|
|---|
| 356 | "aglSetInteger",
|
|---|
| 357 | "aglGetInteger",
|
|---|
| 358 | "aglGetError",
|
|---|
| 359 | "aglEnable",
|
|---|
| 360 | "aglDisable"
|
|---|
| 361 | ]
|
|---|
| 362 | in_gl_functions = [
|
|---|
| 363 | "CGLGetCurrentContext",
|
|---|
| 364 | "CGLSetCurrentContext"
|
|---|
| 365 | ]
|
|---|
| 366 | useful_cgl_functions = [
|
|---|
| 367 | "CGLChoosePixelFormat",
|
|---|
| 368 | "CGLDestroyPixelFormat",
|
|---|
| 369 | "CGLDescribePixelFormat",
|
|---|
| 370 | "CGLQueryRendererInfo",
|
|---|
| 371 | "CGLDestroyRendererInfo",
|
|---|
| 372 | "CGLDescribeRenderer",
|
|---|
| 373 | "CGLCreateContext",
|
|---|
| 374 | "CGLDestroyContext",
|
|---|
| 375 | "CGLCopyContext",
|
|---|
| 376 | "CGLCreatePBuffer",
|
|---|
| 377 | "CGLDestroyPBuffer",
|
|---|
| 378 | "CGLDescribePBuffer",
|
|---|
| 379 | "CGLTexImagePBuffer",
|
|---|
| 380 | "CGLSetOffScreen",
|
|---|
| 381 | "CGLGetOffScreen",
|
|---|
| 382 | "CGLSetFullScreen",
|
|---|
| 383 | "CGLSetPBuffer",
|
|---|
| 384 | "CGLGetPBuffer",
|
|---|
| 385 | "CGLClearDrawable",
|
|---|
| 386 | "CGLFlushDrawable",
|
|---|
| 387 | "CGLEnable",
|
|---|
| 388 | "CGLDisable",
|
|---|
| 389 | "CGLIsEnabled",
|
|---|
| 390 | "CGLSetParameter",
|
|---|
| 391 | "CGLGetParameter",
|
|---|
| 392 | "CGLSetVirtualScreen",
|
|---|
| 393 | "CGLGetVirtualScreen",
|
|---|
| 394 | "CGLSetOption",
|
|---|
| 395 | "CGLGetOption",
|
|---|
| 396 | "CGLGetVersion",
|
|---|
| 397 | "CGLErrorString",
|
|---|
| 398 | "CGLSetSurface",
|
|---|
| 399 | "CGLGetSurface",
|
|---|
| 400 | "CGLUpdateContext",
|
|---|
| 401 | "glGetString"
|
|---|
| 402 | ]
|
|---|
| 403 | useful_glx_functions = [
|
|---|
| 404 | "glXGetConfig",
|
|---|
| 405 | "glXQueryExtension",
|
|---|
| 406 | "glXQueryVersion",
|
|---|
| 407 | "glXQueryExtensionsString",
|
|---|
| 408 | "glXChooseVisual",
|
|---|
| 409 | "glXCreateContext",
|
|---|
| 410 | "glXDestroyContext",
|
|---|
| 411 | "glXUseXFont",
|
|---|
| 412 | "glXIsDirect",
|
|---|
| 413 | "glXMakeCurrent",
|
|---|
| 414 | "glGetString",
|
|---|
| 415 | "glXSwapBuffers",
|
|---|
| 416 | "glXGetCurrentDisplay",
|
|---|
| 417 | "glXGetCurrentContext",
|
|---|
| 418 | "glXGetClientString",
|
|---|
| 419 | "glXWaitGL",
|
|---|
| 420 | "glXWaitX",
|
|---|
| 421 | "glXCopyContext"
|
|---|
| 422 | ]
|
|---|
| 423 | possibly_useful_glx_functions = [
|
|---|
| 424 | "glXGetProcAddressARB",
|
|---|
| 425 | "glXJoinSwapGroupNV",
|
|---|
| 426 | "glXBindSwapBarrierNV",
|
|---|
| 427 | "glXQuerySwapGroupNV",
|
|---|
| 428 | "glXQueryMaxSwapGroupsNV",
|
|---|
| 429 | "glXQueryFrameCountNV",
|
|---|
| 430 | "glXResetFrameCountNV",
|
|---|
| 431 | "glXChooseFBConfig",
|
|---|
| 432 | "glXGetFBConfigs",
|
|---|
| 433 | "glXGetFBConfigAttrib",
|
|---|
| 434 | "glXGetVisualFromFBConfig",
|
|---|
| 435 | "glXCreateNewContext",
|
|---|
| 436 | "glXCreatePbuffer",
|
|---|
| 437 | "glXDestroyPbuffer",
|
|---|
| 438 | "glXQueryContext",
|
|---|
| 439 | "glXQueryDrawable",
|
|---|
| 440 | "glXMakeContextCurrent",
|
|---|
| 441 | "glXCreateWindow",
|
|---|
| 442 | "glXGetVisualFromFBConfig",
|
|---|
| 443 | ]
|
|---|
| 444 |
|
|---|
| 445 | print '#ifdef WINDOWS'
|
|---|
| 446 |
|
|---|
| 447 | for fun in useful_wgl_functions:
|
|---|
| 448 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( glDll, "%s" );' % (fun,fun,fun)
|
|---|
| 449 |
|
|---|
| 450 | print '#elif defined(DARWIN)'
|
|---|
| 451 | for fun in useful_agl_functions:
|
|---|
| 452 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( aglDll, "%s" );' % (fun,fun,fun)
|
|---|
| 453 |
|
|---|
| 454 | for fun in useful_cgl_functions:
|
|---|
| 455 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( cglDll, "%s" );' % (fun, fun,fun)
|
|---|
| 456 |
|
|---|
| 457 | for fun in in_gl_functions:
|
|---|
| 458 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( glDll, "%s" );' % (fun, fun,fun)
|
|---|
| 459 |
|
|---|
| 460 | print '#else'
|
|---|
| 461 | print '\t/* GLX */'
|
|---|
| 462 |
|
|---|
| 463 | # XXX merge these loops?
|
|---|
| 464 | for fun in useful_glx_functions:
|
|---|
| 465 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( glDll, "%s" );' % (fun, fun, fun)
|
|---|
| 466 | for fun in possibly_useful_glx_functions:
|
|---|
| 467 | print '\tinterface->%s = (%sFunc_t) crDLLGetNoError( glDll, "%s" );' % (fun, fun, fun)
|
|---|
| 468 | print '#endif'
|
|---|
| 469 |
|
|---|
| 470 | print """
|
|---|
| 471 | if (!entry)
|
|---|
| 472 | return 1; /* token value */
|
|---|
| 473 |
|
|---|
| 474 | for (i = 0; coreFunctions[i]; i++) {
|
|---|
| 475 | const char *name = coreFunctions[i];
|
|---|
| 476 | if (fillin(entry, name + 2, crDLLGetNoError(glDll, name)))
|
|---|
| 477 | entry++;
|
|---|
| 478 | else
|
|---|
| 479 | crDebug("glLoader: NULL function %s", name);
|
|---|
| 480 | }
|
|---|
| 481 |
|
|---|
| 482 | /* end of table markers */
|
|---|
| 483 | entry->name = NULL;
|
|---|
| 484 | entry->fn = NULL;
|
|---|
| 485 | return entry - table; /* number of entries filled */
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 |
|
|---|
| 489 | /*
|
|---|
| 490 | * Fill in table[] with all the OpenGL extension functions that we're
|
|---|
| 491 | * interested in.
|
|---|
| 492 | */
|
|---|
| 493 | int
|
|---|
| 494 | crLoadOpenGLExtensions( const crOpenGLInterface *interface, SPUNamedFunctionTable table[] )
|
|---|
| 495 | {
|
|---|
| 496 | struct extfunc {
|
|---|
| 497 | const char *funcName;
|
|---|
| 498 | const char *aliasName;
|
|---|
| 499 | SPUGenericFunction nopFunction;
|
|---|
| 500 | };
|
|---|
| 501 | static const struct extfunc functions[] = {
|
|---|
| 502 | """
|
|---|
| 503 |
|
|---|
| 504 | for func_name in keys:
|
|---|
| 505 | if IsExtensionFunc(func_name):
|
|---|
| 506 | if apiutil.Category(func_name) == "Chromium":
|
|---|
| 507 | prefix = "cr"
|
|---|
| 508 | else:
|
|---|
| 509 | prefix = "gl"
|
|---|
| 510 | s = '\t\t{ "' + prefix + func_name + '", '
|
|---|
| 511 | a = apiutil.ReverseAlias(func_name)
|
|---|
| 512 | if a:
|
|---|
| 513 | s += '"' + prefix + a + '", '
|
|---|
| 514 | else:
|
|---|
| 515 | s += 'NULL, '
|
|---|
| 516 | s += '(SPUGenericFunction) Nop' + func_name + ' },'
|
|---|
| 517 | print s
|
|---|
| 518 |
|
|---|
| 519 | print """
|
|---|
| 520 | { NULL, NULL, NULL}
|
|---|
| 521 | };
|
|---|
| 522 | const struct extfunc *func;
|
|---|
| 523 | SPUNamedFunctionTable *entry = table;
|
|---|
| 524 |
|
|---|
| 525 | #ifdef WINDOWS
|
|---|
| 526 | if (interface->wglGetProcAddress == NULL)
|
|---|
| 527 | crWarning("Unable to find wglGetProcAddress() in system GL library");
|
|---|
| 528 | #elif !defined(DARWIN)
|
|---|
| 529 | if (interface->glXGetProcAddressARB == NULL)
|
|---|
| 530 | crWarning("Unable to find glXGetProcAddressARB() in system GL library");
|
|---|
| 531 | #endif
|
|---|
| 532 |
|
|---|
| 533 | for (func = functions; func->funcName; func++) {
|
|---|
| 534 | SPUGenericFunction f = findExtFunction(interface, func->funcName);
|
|---|
| 535 | if (!f && func->aliasName) {
|
|---|
| 536 | f = findExtFunction(interface, func->aliasName);
|
|---|
| 537 | }
|
|---|
| 538 | if (!f) {
|
|---|
| 539 | f = func->nopFunction;
|
|---|
| 540 | }
|
|---|
| 541 | (void) fillin(entry, func->funcName + 2 , f); /* +2 to skip "gl" */
|
|---|
| 542 | entry++;
|
|---|
| 543 | }
|
|---|
| 544 |
|
|---|
| 545 | /* end of list */
|
|---|
| 546 | entry->name = NULL;
|
|---|
| 547 | entry->fn = NULL;
|
|---|
| 548 | return entry - table; /* number of entries filled */
|
|---|
| 549 | }
|
|---|
| 550 | """
|
|---|
| 551 |
|
|---|
| 552 |
|
|---|
| 553 | print """
|
|---|
| 554 |
|
|---|
| 555 | #ifdef USE_OSMESA
|
|---|
| 556 | int crLoadOSMesa( OSMesaContext (**createContext)( GLenum format, OSMesaContext sharelist ),
|
|---|
| 557 | GLboolean (**makeCurrent)( OSMesaContext ctx, GLubyte *buffer,
|
|---|
| 558 | GLenum type, GLsizei width, GLsizei height ),
|
|---|
| 559 | void (**destroyContext)( OSMesaContext ctx ))
|
|---|
| 560 | {
|
|---|
| 561 | static CRDLL *osMesaDll = NULL;
|
|---|
| 562 |
|
|---|
| 563 | const char *env_syspath = crGetenv( "CR_SYSTEM_GL_PATH" );
|
|---|
| 564 |
|
|---|
| 565 | crDebug( "Looking for the system's OSMesa library..." );
|
|---|
| 566 | osMesaDll = __findSystemLib( env_syspath, "libOSMesa.so" );
|
|---|
| 567 | if (!osMesaDll)
|
|---|
| 568 | {
|
|---|
| 569 | crError("Unable to find system OSMesa!");
|
|---|
| 570 | return 0;
|
|---|
| 571 | }
|
|---|
| 572 |
|
|---|
| 573 | crDebug( "Found it in %s.", !env_syspath ? "default path" : env_syspath );
|
|---|
| 574 |
|
|---|
| 575 | *createContext = (OSMesaContext (*) ( GLenum format, OSMesaContext sharelist ))
|
|---|
| 576 | crDLLGetNoError( osMesaDll, "OSMesaCreateContext" );
|
|---|
| 577 |
|
|---|
| 578 | *makeCurrent = (GLboolean (*) ( OSMesaContext ctx, GLubyte *buffer,
|
|---|
| 579 | GLenum type, GLsizei width, GLsizei height ))
|
|---|
| 580 | crDLLGetNoError( osMesaDll, "OSMesaMakeCurrent" );
|
|---|
| 581 |
|
|---|
| 582 | *destroyContext = (void (*) ( OSMesaContext ctx))
|
|---|
| 583 | crDLLGetNoError( osMesaDll, "OSMesaDestroyContext" );
|
|---|
| 584 |
|
|---|
| 585 | return 1;
|
|---|
| 586 | }
|
|---|
| 587 | #endif
|
|---|
| 588 |
|
|---|
| 589 | """
|
|---|
| 590 |
|
|---|
