progs/util/glstate.c

   1
   2 /*
   3  * Print GL state information (for debugging)
   4  * Copyright (C) 1998  Brian Paul
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the Free
  18  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 /*
  23  * Revision 1.1  1999/08/19 00:55:42  jtg
  24  * Initial revision
  25  *
  26  * Revision 1.4  1999/06/19 01:36:43  brianp
  27  * more features added
  28  *
  29  * Revision 1.3  1999/02/24 05:16:20  brianp
  30  * added still more records to EnumTable
  31  *
  32  * Revision 1.2  1998/11/24 03:47:54  brianp
  33  * added more records to EnumTable
  34  *
  35  * Revision 1.1  1998/11/24 03:41:16  brianp
  36  * Initial revision
  37  *
  38  */
  39
  40
  41
  42 #include <assert.h>
  43 #include <GL/gl.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include "glstate.h"
  47
  48
  49 #define FLOAT       1
  50 #define INT         2
  51 #define DOUBLE      3
  52 #define BOOLEAN     4
  53 #define ENUM        5
  54 #define VOID        6
  55 #define LAST_TOKEN ~0
  56
  57
  58 struct EnumRecord {
  59    GLenum enumerator;   /* GLenum constant */
  60    const char *string;  /* string name */
  61    int getType;         /* INT, FLOAT, DOUBLE, BOOLEAN, ENUM, or VOID */
  62    int getCount;      /* number of values returned by the glGet*v() call */
  63 };
  64
  65
  66 /* XXX Lots more records to add here!  Help, anyone? */
  67
  68 static struct EnumRecord EnumTable[] = {
  69    { GL_ACCUM_RED_BITS, "GL_ACCUM_RED_BITS", INT, 1 },
  70    { GL_ACCUM_GREEN_BITS, "GL_ACCUM_GREEN_BITS", INT, 1 },
  71    { GL_ACCUM_BLUE_BITS, "GL_ACCUM_BLUE_BITS", INT, 1 },
  72    { GL_ACCUM_ALPHA_BITS, "GL_ACCUM_ALPHA_BITS", INT, 1 },
  73    { GL_ACCUM_CLEAR_VALUE, "GL_ACCUM_CLEAR_VALUE", FLOAT, 4 },
  74    { GL_ALPHA_BIAS, "GL_ALPHA_BIAS", FLOAT, 1 },
  75    { GL_ALPHA_BITS, "GL_ALPHA_BITS", INT, 1 },
  76    { GL_ALPHA_SCALE, "GL_ALPHA_SCALE", FLOAT, 1 },
  77    { GL_ALPHA_TEST, "GL_ALPHA_TEST", BOOLEAN, 1 },
  78    { GL_ALPHA_TEST_FUNC, "GL_ALPHA_TEST_FUNC", ENUM, 1 },
  79    { GL_ALWAYS, "GL_ALWAYS", ENUM, 0 },
  80    { GL_ALPHA_TEST_REF, "GL_ALPHA_TEST_REF", FLOAT, 1 },
  81    { GL_ATTRIB_STACK_DEPTH, "GL_ATTRIB_STACK_DEPTH", INT, 1 },
  82    { GL_AUTO_NORMAL, "GL_AUTO_NORMAL", BOOLEAN, 1 },
  83    { GL_AUX_BUFFERS, "GL_AUX_BUFFERS", INT, 1 },
  84    { GL_BLEND, "GL_BLEND", BOOLEAN, 1 },
  85    { GL_BLEND_DST, "GL_BLEND_DST", ENUM, 1 },
  86    { GL_BLEND_SRC, "GL_BLEND_SRC", ENUM, 1 },
  87    { GL_BLUE_BIAS, "GL_BLUE_BIAS", FLOAT, 1 },
  88    { GL_BLUE_BITS, "GL_BLUE_BITS", INT, 1 },
  89    { GL_BLUE_SCALE, "GL_BLUE_SCALE", FLOAT, 1 },
  90
  91    { GL_CLAMP_TO_EDGE, "GL_CLAMP_TO_EDGE", ENUM, 0 },
  92    { GL_CLEAR, "GL_CLEAR", ENUM, 0 },
  93    { GL_CLIENT_ATTRIB_STACK_DEPTH, "GL_CLIENT_ATTRIB_STACK_DEPTH", INT, 1 },
  94    { GL_CLIP_PLANE0, "GL_CLIP_PLANE0", BOOLEAN, 1 },
  95    { GL_CLIP_PLANE1, "GL_CLIP_PLANE1", BOOLEAN, 1 },
  96    { GL_CLIP_PLANE2, "GL_CLIP_PLANE2", BOOLEAN, 1 },
  97    { GL_CLIP_PLANE3, "GL_CLIP_PLANE3", BOOLEAN, 1 },
  98    { GL_CLIP_PLANE4, "GL_CLIP_PLANE4", BOOLEAN, 1 },
  99    { GL_CLIP_PLANE5, "GL_CLIP_PLANE5", BOOLEAN, 1 },
 100    { GL_COEFF, "GL_COEEF", ENUM, 0 },
 101    { GL_COLOR, "GL_COLOR", ENUM, 0 },
 102    { GL_COLOR_BUFFER_BIT, "GL_COLOR_BUFFER_BIT", ENUM, 0 },
 103    { GL_COLOR_CLEAR_VALUE, "GL_COLOR_CLEAR_VALUE", FLOAT, 4 },
 104    { GL_COLOR_INDEX, "GL_COLOR_INDEX", ENUM, 0 },
 105    { GL_COLOR_MATERIAL, "GL_COLOR_MATERIAL", BOOLEAN, 1 },
 106    { GL_COLOR_MATERIAL_FACE, "GL_COLOR_MATERIAL_FACE", ENUM, 1 },
 107    { GL_COLOR_MATERIAL_PARAMETER, "GL_COLOR_MATERIAL_PARAMETER", ENUM, 1 },
 108    { GL_COLOR_WRITEMASK, "GL_COLOR_WRITEMASK", BOOLEAN, 4 },
 109    { GL_COMPILE, "GL_COMPILE", ENUM, 0 },
 110    { GL_COMPILE_AND_EXECUTE, "GL_COMPILE_AND_EXECUTE", ENUM, 0 },
 111    { GL_COPY, "GL_COPY", ENUM, 0 },
 112    { GL_COPY_INVERTED, "GL_COPY_INVERTED", ENUM, 0 },
 113    { GL_COPY_PIXEL_TOKEN, "GL_COPY_PIXEL_TOKEN", ENUM, 0 },
 114    { GL_CULL_FACE, "GL_CULL_FACE", BOOLEAN, 1 },
 115    { GL_CULL_FACE_MODE, "GL_CULL_FACE_MODE", ENUM, 1 },
 116    { GL_CURRENT_BIT, "GL_CURRENT_BIT", ENUM, 0 },
 117    { GL_CURRENT_COLOR, "GL_CURRENT_COLOR", FLOAT, 4 },
 118    { GL_CURRENT_INDEX, "GL_CURRENT_INDEX", INT, 1 },
 119    { GL_CURRENT_NORMAL, "GL_CURRENT_NORMAL", FLOAT, 3 },
 120    { GL_CURRENT_RASTER_COLOR, "GL_CURRENT_RASTER_COLOR", FLOAT, 4 },
 121    { GL_CURRENT_RASTER_DISTANCE, "GL_CURRENT_RASTER_DISTANCE", FLOAT, 1 },
 122    { GL_CURRENT_RASTER_INDEX, "GL_CURRENT_RASTER_INDEX", INT, 1 },
 123    { GL_CURRENT_RASTER_POSITION, "GL_CURRENT_RASTER_POSITION", FLOAT, 4 },
 124    { GL_CURRENT_RASTER_TEXTURE_COORDS, "GL_CURRENT_RASTER_TEXTURE_COORDS", FLOAT, 4 },
 125    { GL_CURRENT_RASTER_POSITION_VALID, "GL_CURRENT_RASTER_POSITION_VALID", BOOLEAN, 1 },
 126    { GL_CURRENT_TEXTURE_COORDS, "GL_CURRENT_TEXTURE_COORDS", FLOAT, 4 },
 127    { GL_CW, "GL_CW", ENUM, 0 },
 128    { GL_CCW, "GL_CCW", ENUM, 0 },
 129
 130    { GL_DECAL, "GL_DECAL", ENUM, 0 },
 131    { GL_DECR, "GL_DECR", ENUM, 0 },
 132    { GL_DEPTH, "GL_DEPTH", ENUM, 0 },
 133    { GL_DEPTH_BIAS, "GL_DEPTH_BIAS", FLOAT, 1 },
 134    { GL_DEPTH_BITS, "GL_DEPTH_BITS", INT, 1 },
 135    { GL_DEPTH_BUFFER_BIT, "GL_DEPTH_BUFFER_BIT", ENUM, 0 },
 136    { GL_DEPTH_CLEAR_VALUE, "GL_DEPTH_CLEAR_VALUE", FLOAT, 1 },
 137    { GL_DEPTH_COMPONENT, "GL_DEPTH_COMPONENT", ENUM, 0 },
 138    { GL_DEPTH_FUNC, "GL_DEPTH_FUNC", ENUM, 1 },
 139    { GL_DEPTH_RANGE, "GL_DEPTH_RANGE", FLOAT, 2 },
 140    { GL_DEPTH_SCALE, "GL_DEPTH_SCALE", FLOAT, 1 },
 141    { GL_DEPTH_TEST, "GL_DEPTH_TEST", ENUM, 1 },
 142    { GL_DEPTH_WRITEMASK, "GL_DEPTH_WRITEMASK", BOOLEAN, 1 },
 143    { GL_DIFFUSE, "GL_DIFFUSE", ENUM, 0 },  /*XXX*/
 144    { GL_DITHER, "GL_DITHER", BOOLEAN, 1 },
 145    { GL_DOMAIN, "GL_DOMAIN", ENUM, 0 },
 146    { GL_DONT_CARE, "GL_DONT_CARE", ENUM, 0 },
 147    { GL_DOUBLE, "GL_DOUBLE", ENUM, 0 },
 148    { GL_DOUBLEBUFFER, "GL_DOUBLEBUFFER", BOOLEAN, 1},
 149    { GL_DRAW_BUFFER, "GL_DRAW_BUFFER", ENUM, 1 },
 150    { GL_DRAW_PIXEL_TOKEN, "GL_DRAW_PIXEL_TOKEN", ENUM, 0 },
 151    { GL_DST_ALPHA, "GL_DST_ALPHA", ENUM, 0 },
 152    { GL_DST_COLOR, "GL_DST_COLOR", ENUM, 0 },
 153
 154    { GL_EDGE_FLAG, "GL_EDGE_FLAG", BOOLEAN, 1 },
 155    /* XXX GL_EDGE_FLAG_ARRAY_* */
 156    { GL_EMISSION, "GL_EMISSION", ENUM, 0 }, /* XXX */
 157    { GL_ENABLE_BIT, "GL_ENABLE_BIT", ENUM, 0 },
 158    { GL_EQUAL, "GL_EQUAL", ENUM, 0 },
 159    { GL_EQUIV, "GL_EQUIV", ENUM, 0 },
 160    { GL_EVAL_BIT, "GL_EVAL_BIT", ENUM, 0 },
 161    { GL_EXP, "GL_EXP", ENUM, 0 },
 162    { GL_EXP2, "GL_EXP2", ENUM, 0 },
 163    { GL_EXTENSIONS, "GL_EXTENSIONS", ENUM, 0 },
 164    { GL_EYE_LINEAR, "GL_EYE_LINEAR", ENUM, 0 },
 165    { GL_EYE_PLANE, "GL_EYE_PLANE", ENUM, 0 },
 166
 167    { GL_FALSE, "GL_FALSE", ENUM, 0 },
 168    { GL_FASTEST, "GL_FASTEST", ENUM, 0 },
 169    { GL_FEEDBACK, "GL_FEEDBACK", ENUM, 0 },
 170    { GL_FEEDBACK_BUFFER_POINTER, "GL_FEEDBACK_BUFFER_POINTER", VOID, 0 },
 171    { GL_FEEDBACK_BUFFER_SIZE, "GL_FEEDBACK_BUFFER_SIZE", INT, 1 },
 172    { GL_FEEDBACK_BUFFER_TYPE, "GL_FEEDBACK_BUFFER_TYPE", INT, 1 },
 173    { GL_FILL, "GL_FILL", ENUM, 0 },
 174    { GL_FLAT, "GL_FLAT", ENUM, 0 },
 175    { GL_FLOAT, "GL_FLOAT", ENUM, 0 },
 176    { GL_FOG, "GL_FOG", BOOLEAN, 1 },
 177    { GL_FOG_BIT, "GL_FOG_BIT", ENUM, 0 },
 178    { GL_FOG_COLOR, "GL_FOG_COLOR", FLOAT, 4 },
 179    { GL_FOG_DENSITY, "GL_FOG_DENSITY", FLOAT, 1 },
 180    { GL_FOG_END, "GL_FOG_END", FLOAT, 1 },
 181    { GL_FOG_HINT, "GL_FOG_HINT", ENUM, 1 },
 182    { GL_FOG_INDEX, "GL_FOG_INDEX", INT, 1 },
 183    { GL_FOG_MODE, "GL_FOG_MODE", ENUM, 1 },
 184    { GL_FOG_START, "GL_FOG_START", FLOAT, 1 },
 185    { GL_FRONT, "GL_FRONT", ENUM, 0 },
 186    { GL_FRONT_AND_BACK, "GL_FRONT_AND_BACK", ENUM, 0 },
 187    { GL_FRONT_FACE, "GL_FRONT_FACE", ENUM, 1 },
 188    { GL_FRONT_LEFT, "GL_FRONT_LEFT", ENUM, 0 },
 189    { GL_FRONT_RIGHT, "GL_FRONT_RIGHT", ENUM, 0 },
 190
 191    { GL_GEQUAL, "GL_GEQUAL", ENUM, 0 },
 192    { GL_GREATER, "GL_GREATER", ENUM, 0 },
 193    { GL_GREEN, "GL_GREEN", ENUM, 0 },
 194    { GL_GREEN_BIAS, "GL_GREEN_BIAS", FLOAT, 1 },
 195    { GL_GREEN_BITS, "GL_GREEN_BITS", INT, 1 },
 196    { GL_GREEN_SCALE, "GL_GREEN_SCALE", FLOAT, 1 },
 197
 198
 199
 200    { GL_LESS, "GL_LESS", ENUM, 0 },
 201    { GL_LEQUAL, "GL_LEQUAL", ENUM, 0 },
 202    { GL_LIGHTING, "GL_LIGHTING", BOOLEAN, 1 },
 203    { GL_LINE_SMOOTH, "GL_LINE_SMOOTH", BOOLEAN, 1 },
 204    { GL_LINE_STIPPLE, "GL_LINE_STIPPLE", BOOLEAN, 1 },
 205    { GL_LINE_STIPPLE_PATTERN, "GL_LINE_STIPPLE_PATTERN", INT, 1 },
 206    { GL_LINE_STIPPLE_REPEAT, "GL_LINE_STIPPLE_REPEAT", INT, 1 },
 207    { GL_LINE_WIDTH, "GL_LINE_WIDTH", FLOAT, 1 },
 208
 209    { GL_MODELVIEW_MATRIX, "GL_MODELVIEW_MATRIX", DOUBLE, 16 },
 210
 211    { GL_NEVER, "GL_NEVER", ENUM, 0 },
 212    { GL_NOTEQUAL, "GL_NOTEQUAL", ENUM, 0 },
 213
 214    { GL_PROJECTION_MATRIX, "GL_PROJECTION_MATRIX", FLOAT, 16 },
 215
 216    { GL_PACK_SWAP_BYTES, "GL_PACK_SWAP_BYTES", INT, 1 },
 217    { GL_PACK_LSB_FIRST, "GL_PACK_LSB_FIRST", INT, 1 },
 218    { GL_PACK_ROW_LENGTH, "GL_PACK_ROW_LENGTH", INT, 1 },
 219    { GL_PACK_SKIP_PIXELS, "GL_PACK_SKIP_PIXELS", INT, 1 },
 220    { GL_PACK_SKIP_ROWS, "GL_PACK_SKIP_ROWS", INT, 1 },
 221    { GL_PACK_ALIGNMENT, "GL_PACK_ALIGNMENT", INT, 1 },
 222
 223    { GL_TRUE, "GL_TRUE", ENUM, 0 },
 224
 225    { GL_UNPACK_SWAP_BYTES, "GL_UNPACK_SWAP_BYTES", INT, 1 },
 226    { GL_UNPACK_LSB_FIRST, "GL_UNPACK_LSB_FIRST", INT, 1 },
 227    { GL_UNPACK_ROW_LENGTH, "GL_UNPACK_ROW_LENGTH", INT, 1 },
 228    { GL_UNPACK_SKIP_PIXELS, "GL_UNPACK_SKIP_PIXELS", INT, 1 },
 229    { GL_UNPACK_SKIP_ROWS, "GL_UNPACK_SKIP_ROWS", INT, 1 },
 230    { GL_UNPACK_ALIGNMENT, "GL_UNPACK_ALIGNMENT", INT, 1 },
 231
 232    { GL_VIEWPORT, "GL_VIEWPORT", INT, 4 },
 233
 234
 235    /*
 236     * Extensions
 237     */
 238
 239 #if defined(GL_EXT_blend_minmax)
 240    { GL_BLEND_EQUATION_EXT, "GL_BLEND_EQUATION_EXT", ENUM, 1 },
 241 #endif
 242 #if defined(GL_EXT_blend_color)
 243    { GL_BLEND_COLOR_EXT, "GL_BLEND_COLOR_EXT", FLOAT, 4 },
 244 #endif
 245 #if defined(GL_EXT_point_parameters)
 246    { GL_DISTANCE_ATTENUATION_EXT, "GL_DISTANCE_ATTENUATION_EXT", FLOAT, 1 },
 247 #endif
 248 #if defined(GL_INGR_blend_func_separate)
 249    { GL_BLEND_SRC_RGB_INGR, "GL_BLEND_SRC_RGB_INGR", ENUM, 1 },
 250    { GL_BLEND_DST_RGB_INGR, "GL_BLEND_DST_RGB_INGR", ENUM, 1 },
 251    { GL_BLEND_SRC_ALPHA_INGR, "GL_BLEND_SRC_ALPHA_INGR", ENUM, 1 },
 252    { GL_BLEND_DST_ALPHA_INGR, "GL_BLEND_DST_ALPHA_INGR", ENUM, 1 },
 253 #endif
 254
 255
 256    { LAST_TOKEN, "", 0, 0 }
 257 };
 258
 259
 260 static const struct EnumRecord *FindRecord( GLenum var )
 261 {
 262    int i;
 263    for (i = 0; EnumTable[i].enumerator != LAST_TOKEN; i++) {
 264       if (EnumTable[i].enumerator == var) {
 265          return &EnumTable[i];
 266       }
 267    }
 268    return NULL;
 269 }
 270
 271
 272
 273 /*
 274  * Return the string label for the given enum.
 275  */
 276 const char *GetEnumString( GLenum var )
 277 {
 278    const struct EnumRecord *rec = FindRecord(var);
 279    if (rec)
 280       return rec->string;
 281    else
 282       return NULL;
 283 }
 284
 285
 286
 287 /*
 288  * Print current value of the given state variable.
 289  */
 290 void PrintState( int indent, GLenum var )
 291 {
 292    const struct EnumRecord *rec = FindRecord(var);
 293
 294    while (indent-- > 0)
 295       putchar(' ');
 296
 297    if (rec) {
 298       if (rec->getCount <= 0) {
 299          assert(rec->getType == ENUM);
 300          printf("%s is not a state variable\n", rec->string);
 301       }
 302       else {
 303          switch (rec->getType) {
 304              case INT:
 305                 {
 306                    GLint values[100];
 307                    int i;
 308                    glGetIntegerv(rec->enumerator, values);
 309                    printf("%s = ", rec->string);
 310                    for (i = 0; i < rec->getCount; i++)
 311                       printf("%d ", values[i]);
 312                    printf("\n");
 313                 }
 314                 break;
 315              case FLOAT:
 316                 {
 317                    GLfloat values[100];
 318                    int i;
 319                    glGetFloatv(rec->enumerator, values);
 320                    printf("%s = ", rec->string);
 321                    for (i = 0; i < rec->getCount; i++)
 322                       printf("%f ", values[i]);
 323                    printf("\n");
 324                 }
 325                 break;
 326              case DOUBLE:
 327                 {
 328                    GLdouble values[100];
 329                    int i;
 330                    glGetDoublev(rec->enumerator, values);
 331                    printf("%s = ", rec->string);
 332                    for (i = 0; i < rec->getCount; i++)
 333                       printf("%f ", (float) values[i]);
 334                    printf("\n");
 335                 }
 336                 break;
 337              case BOOLEAN:
 338                 {
 339                    GLboolean values[100];
 340                    int i;
 341                    glGetBooleanv(rec->enumerator, values);
 342                    printf("%s = ", rec->string);
 343                    for (i = 0; i < rec->getCount; i++)
 344                       printf("%s ", values[i] ? "GL_TRUE" : "GL_FALSE");
 345                    printf("\n");
 346                 }
 347                 break;
 348              case ENUM:
 349                 {
 350                    GLint values[100];
 351                    int i;
 352                    glGetIntegerv(rec->enumerator, values);
 353                    printf("%s = ", rec->string);
 354                    for (i = 0; i < rec->getCount; i++) {
 355                       const char *str = GetEnumString((GLenum) values[i]);
 356                       if (str)
 357                          printf("%s ", str);
 358                       else
 359                          printf("??? ");
 360                    }
 361                    printf("\n");
 362                 }
 363                 break;
 364              case VOID:
 365                 {
 366                    GLvoid *values[100];
 367                    int i;
 368                    glGetPointerv(rec->enumerator, values);
 369                    printf("%s = ", rec->string);
 370                    for (i = 0; i < rec->getCount; i++) {
 371                        printf("%p ", values[i]);
 372                    }
 373                    printf("\n");
 374                 }
 375                 break;
 376              default:
 377                 printf("fatal error in PrintState()\n");
 378                 abort();
 379          }
 380       }
 381    }
 382    else {
 383       printf("Unknown GLenum passed to PrintState()\n");
 384    }
 385 }
 386
 387
 388
 389 /*
 390  * Print all glPixelStore-related state.
 391  * NOTE: Should write similar functions for lighting, texturing, etc.
 392  */
 393 void PrintPixelStoreState( void )
 394 {
 395    const GLenum enums[] = {
 396       GL_PACK_SWAP_BYTES,
 397       GL_PACK_LSB_FIRST,
 398       GL_PACK_ROW_LENGTH,
 399       GL_PACK_SKIP_PIXELS,
 400       GL_PACK_SKIP_ROWS,
 401       GL_PACK_ALIGNMENT,
 402       GL_UNPACK_SWAP_BYTES,
 403       GL_UNPACK_LSB_FIRST,
 404       GL_UNPACK_ROW_LENGTH,
 405       GL_UNPACK_SKIP_PIXELS,
 406       GL_UNPACK_SKIP_ROWS,
 407       GL_UNPACK_ALIGNMENT,
 408       0
 409    };
 410    int i;
 411    printf("Pixel pack/unpack state:\n");
 412    for (i = 0; enums[i]; i++) {
 413       PrintState(3, enums[i]);
 414    }
 415 }
 416
 417
 418
 419
 420 /*
 421  * Print all state for the given attribute group.
 422  */
 423 void PrintAttribState( GLbitfield attrib )
 424 {
 425    static const GLenum depth_buffer_enums[] = {
 426       GL_DEPTH_FUNC,
 427       GL_DEPTH_CLEAR_VALUE,
 428       GL_DEPTH_TEST,
 429       GL_DEPTH_WRITEMASK,
 430       0
 431    };
 432    static const GLenum fog_enums[] = {
 433       GL_FOG,
 434       GL_FOG_COLOR,
 435       GL_FOG_DENSITY,
 436       GL_FOG_START,
 437       GL_FOG_END,
 438       GL_FOG_INDEX,
 439       GL_FOG_MODE,
 440       0
 441    };
 442    static const GLenum line_enums[] = {
 443       GL_LINE_SMOOTH,
 444       GL_LINE_STIPPLE,
 445       GL_LINE_STIPPLE_PATTERN,
 446       GL_LINE_STIPPLE_REPEAT,
 447       GL_LINE_WIDTH,
 448       0
 449    };
 450
 451    const GLenum *enumList = NULL;
 452
 453    switch (attrib) {
 454       case GL_DEPTH_BUFFER_BIT:
 455          enumList = depth_buffer_enums;
 456          printf("GL_DEPTH_BUFFER_BIT state:\n");
 457          break;
 458       case GL_FOG_BIT:
 459          enumList = fog_enums;
 460          printf("GL_FOG_BIT state:\n");
 461          break;
 462       case GL_LINE_BIT:
 463          enumList = line_enums;
 464          printf("GL_LINE_BIT state:\n");
 465          break;
 466       default:
 467          printf("Bad value in PrintAttribState()\n");
 468    }
 469
 470    if (enumList) {
 471       int i;
 472       for (i = 0; enumList[i]; i++)
 473          PrintState(3, enumList[i]);
 474    }
 475 }
 476
 477
 478 /*#define TEST*/
 479 #ifdef TEST
 480
 481 #include <GL/glut.h>
 482
 483 int main( int argc, char *argv[] )
 484 {
 485    glutInit( &argc, argv );
 486    glutInitWindowPosition(0, 0);
 487    glutInitWindowSize(400, 300);
 488    glutInitDisplayMode(GLUT_RGB);
 489    glutCreateWindow(argv[0]);
 490    PrintAttribState(GL_DEPTH_BUFFER_BIT);
 491    PrintAttribState(GL_FOG_BIT);
 492    PrintAttribState(GL_LINE_BIT);
 493    PrintState(0, GL_ALPHA_BITS);
 494    PrintState(0, GL_VIEWPORT);
 495    PrintState(0, GL_ALPHA_TEST_FUNC);
 496    PrintState(0, GL_MODELVIEW_MATRIX);
 497    PrintState(0, GL_ALWAYS);
 498    PrintPixelStoreState();
 499    return 0;
 500 }
 501
 502 #endif