src/mesa/main/texstorage.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2011  VMware, Inc.  All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \file texstorage.c
  27  * GL_ARB_texture_storage functions
  28  */
  29
  30 #include "glheader.h"
  31 #include "context.h"
  32 #include "enums.h"
  33 #include "imports.h"
  34 #include "macros.h"
  35 #include "teximage.h"
  36 #include "texobj.h"
  37 #include "mipmap.h"
  38 #include "texstorage.h"
  39 #include "textureview.h"
  40 #include "mtypes.h"
  41 #include "glformats.h"
  42 #include "hash.h"
  43
  44
  45 /**
  46  * Check if the given texture target is a legal texture object target
  47  * for a glTexStorage() command.
  48  * This is a bit different than legal_teximage_target() when it comes
  49  * to cube maps.
  50  */
  51 static bool
  52 legal_texobj_target(const struct gl_context *ctx, GLuint dims, GLenum target)
  53 {
  54    if (dims < 1 || dims > 3) {
  55       _mesa_problem(ctx, "invalid dims=%u in legal_texobj_target()", dims);
  56       return false;
  57    }
  58
  59    switch (dims) {
  60    case 2:
  61       switch (target) {
  62       case GL_TEXTURE_2D:
  63          return true;
  64       case GL_TEXTURE_CUBE_MAP:
  65          return ctx->Extensions.ARB_texture_cube_map;
  66       }
  67       break;
  68    case 3:
  69       switch (target) {
  70       case GL_TEXTURE_3D:
  71          return true;
  72       case GL_TEXTURE_2D_ARRAY:
  73          return ctx->Extensions.EXT_texture_array;
  74       case GL_TEXTURE_CUBE_MAP_ARRAY:
  75          return _mesa_has_texture_cube_map_array(ctx);
  76       }
  77       break;
  78    }
  79
  80    if (!_mesa_is_desktop_gl(ctx))
  81       return false;
  82
  83    switch (dims) {
  84    case 1:
  85       switch (target) {
  86       case GL_TEXTURE_1D:
  87       case GL_PROXY_TEXTURE_1D:
  88          return true;
  89       default:
  90          return false;
  91       }
  92    case 2:
  93       switch (target) {
  94       case GL_PROXY_TEXTURE_2D:
  95          return true;
  96       case GL_PROXY_TEXTURE_CUBE_MAP:
  97          return ctx->Extensions.ARB_texture_cube_map;
  98       case GL_TEXTURE_RECTANGLE:
  99       case GL_PROXY_TEXTURE_RECTANGLE:
 100          return ctx->Extensions.NV_texture_rectangle;
 101       case GL_TEXTURE_1D_ARRAY:
 102       case GL_PROXY_TEXTURE_1D_ARRAY:
 103          return ctx->Extensions.EXT_texture_array;
 104       default:
 105          return false;
 106       }
 107    case 3:
 108       switch (target) {
 109       case GL_PROXY_TEXTURE_3D:
 110          return true;
 111       case GL_PROXY_TEXTURE_2D_ARRAY:
 112          return ctx->Extensions.EXT_texture_array;
 113       case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
 114          return ctx->Extensions.ARB_texture_cube_map_array;
 115       default:
 116          return false;
 117       }
 118    default:
 119       unreachable("impossible dimensions");
 120    }
 121 }
 122
 123
 124 /** Helper to get a particular texture image in a texture object */
 125 static struct gl_texture_image *
 126 get_tex_image(struct gl_context *ctx,
 127               struct gl_texture_object *texObj,
 128               GLuint face, GLuint level)
 129 {
 130    const GLenum faceTarget =
 131       (texObj->Target == GL_TEXTURE_CUBE_MAP ||
 132        texObj->Target == GL_PROXY_TEXTURE_CUBE_MAP)
 133       ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : texObj->Target;
 134    return _mesa_get_tex_image(ctx, texObj, faceTarget, level);
 135 }
 136
 137
 138
 139 static GLboolean
 140 initialize_texture_fields(struct gl_context *ctx,
 141                           struct gl_texture_object *texObj,
 142                           GLint levels,
 143                           GLsizei width, GLsizei height, GLsizei depth,
 144                           GLenum internalFormat, mesa_format texFormat)
 145 {
 146    const GLenum target = texObj->Target;
 147    const GLuint numFaces = _mesa_num_tex_faces(target);
 148    GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
 149    GLuint face;
 150
 151    /* Set up all the texture object's gl_texture_images */
 152    for (level = 0; level < levels; level++) {
 153       for (face = 0; face < numFaces; face++) {
 154          struct gl_texture_image *texImage =
 155             get_tex_image(ctx, texObj, face, level);
 156
 157          if (!texImage) {
 158             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
 159             return GL_FALSE;
 160          }
 161
 162          _mesa_init_teximage_fields(ctx, texImage,
 163                                     levelWidth, levelHeight, levelDepth,
 164                                     0, internalFormat, texFormat);
 165       }
 166
 167       _mesa_next_mipmap_level_size(target, 0,
 168                                    levelWidth, levelHeight, levelDepth,
 169                                    &levelWidth, &levelHeight, &levelDepth);
 170    }
 171    return GL_TRUE;
 172 }
 173
 174
 175 /**
 176  * Clear all fields of texture object to zeros.  Used for proxy texture tests
 177  * and to clean up when a texture memory allocation fails.
 178  */
 179 static void
 180 clear_texture_fields(struct gl_context *ctx,
 181                      struct gl_texture_object *texObj)
 182 {
 183    const GLenum target = texObj->Target;
 184    const GLuint numFaces = _mesa_num_tex_faces(target);
 185    GLint level;
 186    GLuint face;
 187
 188    for (level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) {
 189       for (face = 0; face < numFaces; face++) {
 190          struct gl_texture_image *texImage =
 191             get_tex_image(ctx, texObj, face, level);
 192
 193          if (!texImage) {
 194             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
 195             return;
 196          }
 197
 198          _mesa_clear_texture_image(ctx, texImage);
 199       }
 200    }
 201 }
 202
 203
 204 /**
 205  * Update/re-validate framebuffer object.
 206  */
 207 static void
 208 update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 209 {
 210    const unsigned numFaces = _mesa_num_tex_faces(texObj->Target);
 211    for (int level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) {
 212       for (unsigned face = 0; face < numFaces; face++)
 213          _mesa_update_fbo_texture(ctx, texObj, face, level);
 214    }
 215 }
 216
 217
 218 GLboolean
 219 _mesa_is_legal_tex_storage_format(const struct gl_context *ctx,
 220                                   GLenum internalformat)
 221 {
 222    /* check internal format - note that only sized formats are allowed */
 223    switch (internalformat) {
 224    case GL_ALPHA:
 225    case GL_LUMINANCE:
 226    case GL_LUMINANCE_ALPHA:
 227    case GL_INTENSITY:
 228    case GL_RED:
 229    case GL_RG:
 230    case GL_RGB:
 231    case GL_RGBA:
 232    case GL_BGRA:
 233    case GL_DEPTH_COMPONENT:
 234    case GL_DEPTH_STENCIL:
 235    case GL_COMPRESSED_ALPHA:
 236    case GL_COMPRESSED_LUMINANCE_ALPHA:
 237    case GL_COMPRESSED_LUMINANCE:
 238    case GL_COMPRESSED_INTENSITY:
 239    case GL_COMPRESSED_RGB:
 240    case GL_COMPRESSED_RGBA:
 241    case GL_COMPRESSED_SRGB:
 242    case GL_COMPRESSED_SRGB_ALPHA:
 243    case GL_COMPRESSED_SLUMINANCE:
 244    case GL_COMPRESSED_SLUMINANCE_ALPHA:
 245    case GL_RED_INTEGER:
 246    case GL_GREEN_INTEGER:
 247    case GL_BLUE_INTEGER:
 248    case GL_ALPHA_INTEGER:
 249    case GL_RGB_INTEGER:
 250    case GL_RGBA_INTEGER:
 251    case GL_BGR_INTEGER:
 252    case GL_BGRA_INTEGER:
 253    case GL_LUMINANCE_INTEGER_EXT:
 254    case GL_LUMINANCE_ALPHA_INTEGER_EXT:
 255       /* these unsized formats are illegal */
 256       return GL_FALSE;
 257    default:
 258       return _mesa_base_tex_format(ctx, internalformat) > 0;
 259    }
 260 }
 261
 262
 263 /**
 264  * Default ctx->Driver.AllocTextureStorage() handler.
 265  *
 266  * The driver can override this with a more specific implementation if it
 267  * desires, but this can be used to get the texture images allocated using the
 268  * usual texture image handling code.  The immutability of
 269  * GL_ARB_texture_storage texture layouts is handled by texObj->Immutable
 270  * checks at glTexImage* time.
 271  */
 272 GLboolean
 273 _mesa_AllocTextureStorage_sw(struct gl_context *ctx,
 274                              struct gl_texture_object *texObj,
 275                              GLsizei levels, GLsizei width,
 276                              GLsizei height, GLsizei depth)
 277 {
 278    const int numFaces = _mesa_num_tex_faces(texObj->Target);
 279    int face;
 280    int level;
 281
 282    (void) width;
 283    (void) height;
 284    (void) depth;
 285
 286    for (face = 0; face < numFaces; face++) {
 287       for (level = 0; level < levels; level++) {
 288          struct gl_texture_image *const texImage = texObj->Image[face][level];
 289          if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage))
 290             return GL_FALSE;
 291       }
 292    }
 293
 294    return GL_TRUE;
 295 }
 296
 297
 298 /**
 299  * Do error checking for calls to glTexStorage1/2/3D().
 300  * If an error is found, record it with _mesa_error(), unless the target
 301  * is a proxy texture.
 302  * \return GL_TRUE if any error, GL_FALSE otherwise.
 303  */
 304 static GLboolean
 305 tex_storage_error_check(struct gl_context *ctx,
 306                         struct gl_texture_object *texObj,
 307                         GLuint dims, GLenum target,
 308                         GLsizei levels, GLenum internalformat,
 309                         GLsizei width, GLsizei height, GLsizei depth,
 310                         bool dsa)
 311 {
 312    const char* suffix = dsa ? "ture" : "";
 313
 314    /* Legal format checking has been moved to texstorage and texturestorage in
 315     * order to allow meta functions to use legacy formats. */
 316
 317    /* size check */
 318    if (!_mesa_valid_tex_storage_dim(width, height, depth)) {
 319       _mesa_error(ctx, GL_INVALID_VALUE,
 320                   "glTex%sStorage%uD(width, height or depth < 1)",
 321                   suffix, dims);
 322       return GL_TRUE;
 323    }
 324
 325    if (_mesa_is_compressed_format(ctx, internalformat)) {
 326       GLenum err;
 327       if (!_mesa_target_can_be_compressed(ctx, target, internalformat, &err)) {
 328          _mesa_error(ctx, err,
 329                   "glTex%sStorage%dD(internalformat = %s)", suffix, dims,
 330                   _mesa_enum_to_string(internalformat));
 331          return GL_TRUE;
 332       }
 333    }
 334
 335    /* levels check */
 336    if (levels < 1) {
 337       _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(levels < 1)",
 338                   suffix, dims);
 339       return GL_TRUE;
 340    }
 341
 342    /* check levels against maximum (note different error than above) */
 343    if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
 344       _mesa_error(ctx, GL_INVALID_OPERATION,
 345                   "glTex%sStorage%uD(levels too large)",
 346                   suffix, dims);
 347       return GL_TRUE;
 348    }
 349
 350    /* check levels against width/height/depth */
 351    if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
 352       _mesa_error(ctx, GL_INVALID_OPERATION,
 353                   "glTex%sStorage%uD(too many levels"
 354                   " for max texture dimension)",
 355                   suffix, dims);
 356       return GL_TRUE;
 357    }
 358
 359    /* non-default texture object check */
 360    if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
 361       _mesa_error(ctx, GL_INVALID_OPERATION,
 362                   "glTex%sStorage%uD(texture object 0)",
 363                   suffix, dims);
 364       return GL_TRUE;
 365    }
 366
 367    /* Check if texObj->Immutable is set */
 368    if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
 369       _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(immutable)",
 370                   suffix, dims);
 371       return GL_TRUE;
 372    }
 373
 374    /* additional checks for depth textures */
 375    if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat)) {
 376       _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(bad target for texture)",
 377                   suffix, dims);
 378       return GL_TRUE;
 379    }
 380
 381    return GL_FALSE;
 382 }
 383
 384
 385 /**
 386  * Helper that does the storage allocation for _mesa_TexStorage1/2/3D()
 387  * and _mesa_TextureStorage1/2/3D().
 388  */
 389 static void
 390 texture_storage(struct gl_context *ctx, GLuint dims,
 391                 struct gl_texture_object *texObj,
 392                 GLenum target, GLsizei levels,
 393                 GLenum internalformat, GLsizei width,
 394                 GLsizei height, GLsizei depth, bool dsa)
 395 {
 396    GLboolean sizeOK, dimensionsOK;
 397    mesa_format texFormat;
 398    const char* suffix = dsa ? "ture" : "";
 399
 400    assert(texObj);
 401
 402    if (tex_storage_error_check(ctx, texObj, dims, target, levels,
 403                                internalformat, width, height, depth, dsa)) {
 404       return; /* error was recorded */
 405    }
 406
 407    texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
 408                                            internalformat, GL_NONE, GL_NONE);
 409    assert(texFormat != MESA_FORMAT_NONE);
 410
 411    /* check that width, height, depth are legal for the mipmap level */
 412    dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
 413                                                   width, height, depth, 0);
 414
 415    sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, levels, 0, texFormat,
 416                                           1, width, height, depth);
 417
 418    if (_mesa_is_proxy_texture(target)) {
 419       if (dimensionsOK && sizeOK) {
 420          initialize_texture_fields(ctx, texObj, levels, width, height, depth,
 421                                    internalformat, texFormat);
 422       }
 423       else {
 424          /* clear all image fields for [levels] */
 425          clear_texture_fields(ctx, texObj);
 426       }
 427    }
 428    else {
 429       if (!dimensionsOK) {
 430          _mesa_error(ctx, GL_INVALID_VALUE,
 431                      "glTex%sStorage%uD(invalid width, height or depth)",
 432                      suffix, dims);
 433          return;
 434       }
 435
 436       if (!sizeOK) {
 437          _mesa_error(ctx, GL_OUT_OF_MEMORY,
 438                      "glTex%sStorage%uD(texture too large)",
 439                      suffix, dims);
 440       }
 441
 442       assert(levels > 0);
 443       assert(width > 0);
 444       assert(height > 0);
 445       assert(depth > 0);
 446
 447       if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth,
 448                                      internalformat, texFormat)) {
 449          return;
 450       }
 451
 452       /* Do actual texture memory allocation */
 453       if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
 454                                            width, height, depth)) {
 455          /* Reset the texture images' info to zeros.
 456           * Strictly speaking, we probably don't have to do this since
 457           * generating GL_OUT_OF_MEMORY can leave things in an undefined
 458           * state but this puts things in a consistent state.
 459           */
 460          clear_texture_fields(ctx, texObj);
 461          _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD",
 462                      suffix, dims);
 463          return;
 464       }
 465
 466       _mesa_set_texture_view_state(ctx, texObj, target, levels);
 467
 468       update_fbo_texture(ctx, texObj);
 469    }
 470 }
 471
 472
 473 /**
 474  * Helper used by _mesa_TexStorage1/2/3D().
 475  */
 476 static void
 477 texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
 478            GLsizei width, GLsizei height, GLsizei depth, const char *caller)
 479 {
 480    struct gl_texture_object *texObj;
 481    GET_CURRENT_CONTEXT(ctx);
 482
 483    /* Check target.  This is done here so that texture_storage
 484     * can receive unsized formats.
 485     */
 486    if (!legal_texobj_target(ctx, dims, target)) {
 487       _mesa_error(ctx, GL_INVALID_ENUM,
 488                   "%s(illegal target=%s)",
 489                   caller, _mesa_enum_to_string(target));
 490       return;
 491    }
 492
 493    if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
 494       _mesa_debug(ctx, "%s %s %d %s %d %d %d\n", caller,
 495                   _mesa_enum_to_string(target), levels,
 496                   _mesa_enum_to_string(internalformat),
 497                   width, height, depth);
 498
 499    /* Check the format to make sure it is sized. */
 500    if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
 501       _mesa_error(ctx, GL_INVALID_ENUM,
 502                   "%s(internalformat = %s)", caller,
 503                   _mesa_enum_to_string(internalformat));
 504       return;
 505    }
 506
 507    texObj = _mesa_get_current_tex_object(ctx, target);
 508    if (!texObj)
 509       return;
 510
 511    texture_storage(ctx, dims, texObj, target, levels,
 512                    internalformat, width, height, depth, false);
 513 }
 514
 515
 516 /**
 517  * Helper used by _mesa_TextureStorage1/2/3D().
 518  */
 519 static void
 520 texturestorage(GLuint dims, GLuint texture, GLsizei levels,
 521                GLenum internalformat, GLsizei width, GLsizei height,
 522                GLsizei depth, const char *caller)
 523 {
 524    struct gl_texture_object *texObj;
 525    GET_CURRENT_CONTEXT(ctx);
 526
 527    if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
 528       _mesa_debug(ctx, "%s %d %d %s %d %d %d\n",
 529                   caller, texture, levels,
 530                   _mesa_enum_to_string(internalformat),
 531                   width, height, depth);
 532
 533    /* Check the format to make sure it is sized. */
 534    if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
 535       _mesa_error(ctx, GL_INVALID_ENUM,
 536                   "%s(internalformat = %s)", caller,
 537                   _mesa_enum_to_string(internalformat));
 538       return;
 539    }
 540
 541    texObj = _mesa_lookup_texture_err(ctx, texture, caller);
 542    if (!texObj)
 543       return;
 544
 545    /* Check target.  This is done here so that texture_storage
 546     * can receive unsized formats.
 547     */
 548    if (!legal_texobj_target(ctx, dims, texObj->Target)) {
 549       _mesa_error(ctx, GL_INVALID_ENUM,
 550                   "%s(illegal target=%s)", caller,
 551                   _mesa_enum_to_string(texObj->Target));
 552       return;
 553    }
 554
 555    texture_storage(ctx, dims, texObj, texObj->Target,
 556                    levels, internalformat, width, height, depth, true);
 557 }
 558
 559
 560 void GLAPIENTRY
 561 _mesa_TexStorage1D(GLenum target, GLsizei levels, GLenum internalformat,
 562                    GLsizei width)
 563 {
 564    texstorage(1, target, levels, internalformat, width, 1, 1,
 565               "glTexStorage1D");
 566 }
 567
 568
 569 void GLAPIENTRY
 570 _mesa_TexStorage2D(GLenum target, GLsizei levels, GLenum internalformat,
 571                    GLsizei width, GLsizei height)
 572 {
 573    texstorage(2, target, levels, internalformat, width, height, 1,
 574               "glTexStorage2D");
 575 }
 576
 577
 578 void GLAPIENTRY
 579 _mesa_TexStorage3D(GLenum target, GLsizei levels, GLenum internalformat,
 580                    GLsizei width, GLsizei height, GLsizei depth)
 581 {
 582    texstorage(3, target, levels, internalformat, width, height, depth,
 583               "glTexStorage3D");
 584 }
 585
 586
 587 void GLAPIENTRY
 588 _mesa_TextureStorage1D(GLuint texture, GLsizei levels, GLenum internalformat,
 589                        GLsizei width)
 590 {
 591    texturestorage(1, texture, levels, internalformat, width, 1, 1,
 592                   "glTextureStorage1D");
 593 }
 594
 595
 596 void GLAPIENTRY
 597 _mesa_TextureStorage2D(GLuint texture, GLsizei levels,
 598                        GLenum internalformat,
 599                        GLsizei width, GLsizei height)
 600 {
 601    texturestorage(2, texture, levels, internalformat, width, height, 1,
 602                   "glTextureStorage2D");
 603 }
 604
 605
 606 void GLAPIENTRY
 607 _mesa_TextureStorage3D(GLuint texture, GLsizei levels, GLenum internalformat,
 608                        GLsizei width, GLsizei height, GLsizei depth)
 609 {
 610    texturestorage(3, texture, levels, internalformat, width, height, depth,
 611                   "glTextureStorage3D");
 612 }
 613
 614
 615 /*
 616  * Note: we don't support GL_EXT_direct_state_access and the spec says
 617  * we don't need the following functions.  However, glew checks for the
 618  * presence of all six functions and will say that GL_ARB_texture_storage
 619  * is not supported if these functions are missing.
 620  */
 621
 622
 623 void GLAPIENTRY
 624 _mesa_TextureStorage1DEXT(GLuint texture, GLenum target, GLsizei levels,
 625                           GLenum internalformat,
 626                           GLsizei width)
 627 {
 628    GET_CURRENT_CONTEXT(ctx);
 629
 630    (void) texture;
 631    (void) target;
 632    (void) levels;
 633    (void) internalformat;
 634    (void) width;
 635
 636    _mesa_error(ctx, GL_INVALID_OPERATION,
 637                "glTextureStorage1DEXT not supported");
 638 }
 639
 640
 641 void GLAPIENTRY
 642 _mesa_TextureStorage2DEXT(GLuint texture, GLenum target, GLsizei levels,
 643                           GLenum internalformat,
 644                           GLsizei width, GLsizei height)
 645 {
 646    GET_CURRENT_CONTEXT(ctx);
 647
 648    (void) texture;
 649    (void) target;
 650    (void) levels;
 651    (void) internalformat;
 652    (void) width;
 653    (void) height;
 654
 655    _mesa_error(ctx, GL_INVALID_OPERATION,
 656                "glTextureStorage2DEXT not supported");
 657 }
 658
 659
 660 void GLAPIENTRY
 661 _mesa_TextureStorage3DEXT(GLuint texture, GLenum target, GLsizei levels,
 662                           GLenum internalformat,
 663                           GLsizei width, GLsizei height, GLsizei depth)
 664 {
 665    GET_CURRENT_CONTEXT(ctx);
 666
 667    (void) texture;
 668    (void) target;
 669    (void) levels;
 670    (void) internalformat;
 671    (void) width;
 672    (void) height;
 673    (void) depth;
 674
 675    _mesa_error(ctx, GL_INVALID_OPERATION,
 676                "glTextureStorage3DEXT not supported");
 677 }