src/mesa/main/texparam.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   5  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /**
  27  * \file texparam.c
  28  *
  29  * glTexParameter-related functions
  30  */
  31
  32 #include <stdbool.h>
  33 #include "main/glheader.h"
  34 #include "main/blend.h"
  35 #include "main/context.h"
  36 #include "main/enums.h"
  37 #include "main/formats.h"
  38 #include "main/glformats.h"
  39 #include "main/macros.h"
  40 #include "main/mtypes.h"
  41 #include "main/state.h"
  42 #include "main/texcompress.h"
  43 #include "main/texobj.h"
  44 #include "main/texparam.h"
  45 #include "main/teximage.h"
  46 #include "main/texstate.h"
  47 #include "program/prog_instruction.h"
  48
  49
  50 /**
  51  * Check if a coordinate wrap mode is supported for the texture target.
  52  * \return GL_TRUE if legal, GL_FALSE otherwise
  53  */
  54 static GLboolean
  55 validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
  56 {
  57    const struct gl_extensions * const e = & ctx->Extensions;
  58    const bool is_desktop_gl = _mesa_is_desktop_gl(ctx);
  59    bool supported;
  60
  61    switch (wrap) {
  62    case GL_CLAMP:
  63       /* GL_CLAMP was removed in the core profile, and it has never existed in
  64        * OpenGL ES.
  65        */
  66       supported = (ctx->API == API_OPENGL_COMPAT)
  67          && (target != GL_TEXTURE_EXTERNAL_OES);
  68       break;
  69
  70    case GL_CLAMP_TO_EDGE:
  71       supported = true;
  72       break;
  73
  74    case GL_CLAMP_TO_BORDER:
  75       supported = ctx->API != API_OPENGLES && e->ARB_texture_border_clamp
  76          && (target != GL_TEXTURE_EXTERNAL_OES);
  77       break;
  78
  79    case GL_REPEAT:
  80    case GL_MIRRORED_REPEAT:
  81       supported = (target != GL_TEXTURE_RECTANGLE_NV)
  82          && (target != GL_TEXTURE_EXTERNAL_OES);
  83       break;
  84
  85    case GL_MIRROR_CLAMP_EXT:
  86       supported = is_desktop_gl
  87          && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)
  88          && (target != GL_TEXTURE_RECTANGLE_NV)
  89          && (target != GL_TEXTURE_EXTERNAL_OES);
  90       break;
  91
  92    case GL_MIRROR_CLAMP_TO_EDGE_EXT:
  93       supported = is_desktop_gl
  94          && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp || e->ARB_texture_mirror_clamp_to_edge)
  95          && (target != GL_TEXTURE_RECTANGLE_NV)
  96          && (target != GL_TEXTURE_EXTERNAL_OES);
  97       break;
  98
  99    case GL_MIRROR_CLAMP_TO_BORDER_EXT:
 100       supported = is_desktop_gl && e->EXT_texture_mirror_clamp
 101          && (target != GL_TEXTURE_RECTANGLE_NV)
 102          && (target != GL_TEXTURE_EXTERNAL_OES);
 103       break;
 104
 105    default:
 106       supported = false;
 107       break;
 108    }
 109
 110    if (!supported)
 111       _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
 112
 113    return supported;
 114 }
 115
 116
 117 /**
 118  * Get current texture object for given target.
 119  * Return NULL if any error (and record the error).
 120  * Note that this is different from _mesa_get_current_tex_object() in that
 121  * proxy targets are not accepted.
 122  * Only the glGetTexLevelParameter() functions accept proxy targets.
 123  */
 124 static struct gl_texture_object *
 125 get_texobj_by_target(struct gl_context *ctx, GLenum target, GLboolean get)
 126 {
 127    struct gl_texture_unit *texUnit;
 128    int targetIndex;
 129
 130    if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
 131       _mesa_error(ctx, GL_INVALID_OPERATION,
 132                   "gl%sTexParameter(current unit)", get ? "Get" : "");
 133       return NULL;
 134    }
 135
 136    texUnit = _mesa_get_current_tex_unit(ctx);
 137
 138    targetIndex = _mesa_tex_target_to_index(ctx, target);
 139    if (targetIndex < 0 || targetIndex == TEXTURE_BUFFER_INDEX) {
 140       _mesa_error(ctx, GL_INVALID_ENUM,
 141                   "gl%sTexParameter(target)", get ? "Get" : "");
 142       return NULL;
 143    }
 144    assert(targetIndex < NUM_TEXTURE_TARGETS);
 145
 146    return texUnit->CurrentTex[targetIndex];
 147 }
 148
 149 /**
 150  * Get current texture object for given name.
 151  * Return NULL if any error (and record the error).
 152  * Note that proxy targets are not accepted.
 153  * Only the glGetTexLevelParameter() functions accept proxy targets.
 154  */
 155 static struct gl_texture_object *
 156 get_texobj_by_name(struct gl_context *ctx, GLuint texture, const char *name)
 157 {
 158    struct gl_texture_object *texObj;
 159
 160    texObj = _mesa_lookup_texture(ctx, texture);
 161    if (!texObj) {
 162       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture)", name);
 163       return NULL;
 164    }
 165
 166    switch (texObj->Target) {
 167    case GL_TEXTURE_1D:
 168    case GL_TEXTURE_1D_ARRAY:
 169    case GL_TEXTURE_2D:
 170    case GL_TEXTURE_2D_ARRAY:
 171    case GL_TEXTURE_2D_MULTISAMPLE:
 172    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
 173    case GL_TEXTURE_3D:
 174    case GL_TEXTURE_CUBE_MAP:
 175    case GL_TEXTURE_CUBE_MAP_ARRAY:
 176    case GL_TEXTURE_RECTANGLE:
 177       return texObj;
 178    default:
 179       _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
 180       return NULL;
 181    }
 182
 183 }
 184
 185
 186 /**
 187  * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
 188  * \return -1 if error.
 189  */
 190 static GLint
 191 comp_to_swizzle(GLenum comp)
 192 {
 193    switch (comp) {
 194    case GL_RED:
 195       return SWIZZLE_X;
 196    case GL_GREEN:
 197       return SWIZZLE_Y;
 198    case GL_BLUE:
 199       return SWIZZLE_Z;
 200    case GL_ALPHA:
 201       return SWIZZLE_W;
 202    case GL_ZERO:
 203       return SWIZZLE_ZERO;
 204    case GL_ONE:
 205       return SWIZZLE_ONE;
 206    default:
 207       return -1;
 208    }
 209 }
 210
 211
 212 static void
 213 set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
 214 {
 215    assert(comp < 4);
 216    assert(swz <= SWIZZLE_NIL);
 217    {
 218       GLuint mask = 0x7 << (3 * comp);
 219       GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
 220       *swizzle = s;
 221    }
 222 }
 223
 224
 225 /**
 226  * This is called just prior to changing any texture object state which
 227  * will not affect texture completeness.
 228  */
 229 static inline void
 230 flush(struct gl_context *ctx)
 231 {
 232    FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
 233 }
 234
 235
 236 /**
 237  * This is called just prior to changing any texture object state which
 238  * could affect texture completeness (texture base level, max level).
 239  * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE_OBJECT
 240  * state flag and then mark the texture object as 'incomplete' so that any
 241  * per-texture derived state gets recomputed.
 242  */
 243 static inline void
 244 incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
 245 {
 246    FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
 247    _mesa_dirty_texobj(ctx, texObj);
 248 }
 249
 250
 251 GLboolean
 252 _mesa_target_allows_setting_sampler_parameters(GLenum target)
 253 {
 254    switch (target) {
 255    case GL_TEXTURE_2D_MULTISAMPLE:
 256    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
 257       return GL_FALSE;
 258
 259    default:
 260       return GL_TRUE;
 261    }
 262 }
 263
 264
 265 /**
 266  * Set an integer-valued texture parameter
 267  * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
 268  */
 269 static GLboolean
 270 set_tex_parameteri(struct gl_context *ctx,
 271                    struct gl_texture_object *texObj,
 272                    GLenum pname, const GLint *params, bool dsa)
 273 {
 274    const char *suffix = dsa ? "ture" : "";
 275
 276    if (texObj->HandleAllocated) {
 277       /* The ARB_bindless_texture spec says:
 278        *
 279        * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
 280        * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
 281        * functions defined in terms of these, if the texture object to be
 282        * modified is referenced by one or more texture or image handles."
 283        */
 284       _mesa_error(ctx, GL_INVALID_OPERATION,
 285                   "glTex%sParameter(immutable texture)", suffix);
 286       return GL_FALSE;
 287    }
 288
 289    switch (pname) {
 290    case GL_TEXTURE_MIN_FILTER:
 291       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 292          goto invalid_enum;
 293
 294       if (texObj->Sampler.MinFilter == params[0])
 295          return GL_FALSE;
 296       switch (params[0]) {
 297       case GL_NEAREST:
 298       case GL_LINEAR:
 299          flush(ctx);
 300          texObj->Sampler.MinFilter = params[0];
 301          return GL_TRUE;
 302       case GL_NEAREST_MIPMAP_NEAREST:
 303       case GL_LINEAR_MIPMAP_NEAREST:
 304       case GL_NEAREST_MIPMAP_LINEAR:
 305       case GL_LINEAR_MIPMAP_LINEAR:
 306          if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
 307              texObj->Target != GL_TEXTURE_EXTERNAL_OES) {
 308             flush(ctx);
 309             texObj->Sampler.MinFilter = params[0];
 310             return GL_TRUE;
 311          }
 312          /* fall-through */
 313       default:
 314          goto invalid_param;
 315       }
 316       return GL_FALSE;
 317
 318    case GL_TEXTURE_MAG_FILTER:
 319       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 320          goto invalid_enum;
 321
 322       if (texObj->Sampler.MagFilter == params[0])
 323          return GL_FALSE;
 324       switch (params[0]) {
 325       case GL_NEAREST:
 326       case GL_LINEAR:
 327          flush(ctx); /* does not effect completeness */
 328          texObj->Sampler.MagFilter = params[0];
 329          return GL_TRUE;
 330       default:
 331          goto invalid_param;
 332       }
 333       return GL_FALSE;
 334
 335    case GL_TEXTURE_WRAP_S:
 336       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 337          goto invalid_enum;
 338
 339       if (texObj->Sampler.WrapS == params[0])
 340          return GL_FALSE;
 341       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
 342          flush(ctx);
 343          texObj->Sampler.WrapS = params[0];
 344          return GL_TRUE;
 345       }
 346       return GL_FALSE;
 347
 348    case GL_TEXTURE_WRAP_T:
 349       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 350          goto invalid_enum;
 351
 352       if (texObj->Sampler.WrapT == params[0])
 353          return GL_FALSE;
 354       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
 355          flush(ctx);
 356          texObj->Sampler.WrapT = params[0];
 357          return GL_TRUE;
 358       }
 359       return GL_FALSE;
 360
 361    case GL_TEXTURE_WRAP_R:
 362       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 363          goto invalid_enum;
 364
 365       if (texObj->Sampler.WrapR == params[0])
 366          return GL_FALSE;
 367       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
 368          flush(ctx);
 369          texObj->Sampler.WrapR = params[0];
 370          return GL_TRUE;
 371       }
 372       return GL_FALSE;
 373
 374    case GL_TEXTURE_BASE_LEVEL:
 375       if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
 376          goto invalid_pname;
 377
 378       if (texObj->BaseLevel == params[0])
 379          return GL_FALSE;
 380
 381       if ((texObj->Target == GL_TEXTURE_2D_MULTISAMPLE ||
 382            texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) && params[0] != 0)
 383          goto invalid_operation;
 384
 385       if (params[0] < 0) {
 386          _mesa_error(ctx, GL_INVALID_VALUE,
 387                      "glTex%sParameter(param=%d)", suffix, params[0]);
 388          return GL_FALSE;
 389       }
 390       if (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0) {
 391          _mesa_error(ctx, GL_INVALID_OPERATION,
 392                      "glTex%sParameter(target=%s, param=%d)", suffix,
 393                      _mesa_enum_to_string(texObj->Target), params[0]);
 394          return GL_FALSE;
 395       }
 396       incomplete(ctx, texObj);
 397
 398       /** See note about ARB_texture_storage below */
 399       if (texObj->Immutable)
 400          texObj->BaseLevel = MIN2(texObj->ImmutableLevels - 1, params[0]);
 401       else
 402          texObj->BaseLevel = params[0];
 403
 404       return GL_TRUE;
 405
 406    case GL_TEXTURE_MAX_LEVEL:
 407       if (texObj->MaxLevel == params[0])
 408          return GL_FALSE;
 409
 410       if (params[0] < 0 ||
 411           (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] > 0)) {
 412          _mesa_error(ctx, GL_INVALID_VALUE,
 413                      "glTex%sParameter(param=%d)", suffix,
 414                      params[0]);
 415          return GL_FALSE;
 416       }
 417       incomplete(ctx, texObj);
 418
 419       /** From ARB_texture_storage:
 420        * However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is
 421        * clamped to the range [0, <levels> - 1] and level_max is then clamped to
 422        * the range [level_base, <levels> - 1], where <levels> is the parameter
 423        * passed the call to TexStorage* for the texture object.
 424        */
 425       if (texObj->Immutable)
 426           texObj->MaxLevel = CLAMP(params[0], texObj->BaseLevel,
 427                                    texObj->ImmutableLevels - 1);
 428       else
 429          texObj->MaxLevel = params[0];
 430
 431       return GL_TRUE;
 432
 433    case GL_GENERATE_MIPMAP_SGIS:
 434       if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
 435          goto invalid_pname;
 436
 437       if (params[0] && texObj->Target == GL_TEXTURE_EXTERNAL_OES)
 438          goto invalid_param;
 439       if (texObj->GenerateMipmap != params[0]) {
 440          /* no flush() */
 441          texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
 442          return GL_TRUE;
 443       }
 444       return GL_FALSE;
 445
 446    case GL_TEXTURE_COMPARE_MODE_ARB:
 447       if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
 448           || _mesa_is_gles3(ctx)) {
 449
 450          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 451             goto invalid_enum;
 452
 453          if (texObj->Sampler.CompareMode == params[0])
 454             return GL_FALSE;
 455          if (params[0] == GL_NONE ||
 456              params[0] == GL_COMPARE_R_TO_TEXTURE_ARB) {
 457             flush(ctx);
 458             texObj->Sampler.CompareMode = params[0];
 459             return GL_TRUE;
 460          }
 461          goto invalid_param;
 462       }
 463       goto invalid_pname;
 464
 465    case GL_TEXTURE_COMPARE_FUNC_ARB:
 466       if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
 467           || _mesa_is_gles3(ctx)) {
 468
 469          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 470             goto invalid_enum;
 471
 472          if (texObj->Sampler.CompareFunc == params[0])
 473             return GL_FALSE;
 474          switch (params[0]) {
 475          case GL_LEQUAL:
 476          case GL_GEQUAL:
 477          case GL_EQUAL:
 478          case GL_NOTEQUAL:
 479          case GL_LESS:
 480          case GL_GREATER:
 481          case GL_ALWAYS:
 482          case GL_NEVER:
 483             flush(ctx);
 484             texObj->Sampler.CompareFunc = params[0];
 485             return GL_TRUE;
 486          default:
 487             goto invalid_param;
 488          }
 489       }
 490       goto invalid_pname;
 491
 492    case GL_DEPTH_TEXTURE_MODE_ARB:
 493       /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
 494        * existed in OpenGL ES.
 495        */
 496       if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_texture) {
 497          if (texObj->DepthMode == params[0])
 498             return GL_FALSE;
 499          if (params[0] == GL_LUMINANCE ||
 500              params[0] == GL_INTENSITY ||
 501              params[0] == GL_ALPHA ||
 502              (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
 503             flush(ctx);
 504             texObj->DepthMode = params[0];
 505             return GL_TRUE;
 506          }
 507          goto invalid_param;
 508       }
 509       goto invalid_pname;
 510
 511    case GL_DEPTH_STENCIL_TEXTURE_MODE:
 512       if (_mesa_has_ARB_stencil_texturing(ctx) || _mesa_is_gles31(ctx)) {
 513          bool stencil = params[0] == GL_STENCIL_INDEX;
 514          if (!stencil && params[0] != GL_DEPTH_COMPONENT)
 515             goto invalid_param;
 516
 517          if (texObj->StencilSampling == stencil)
 518             return GL_FALSE;
 519
 520          texObj->StencilSampling = stencil;
 521          return GL_TRUE;
 522       }
 523       goto invalid_pname;
 524
 525    case GL_TEXTURE_CROP_RECT_OES:
 526       if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
 527          goto invalid_pname;
 528
 529       texObj->CropRect[0] = params[0];
 530       texObj->CropRect[1] = params[1];
 531       texObj->CropRect[2] = params[2];
 532       texObj->CropRect[3] = params[3];
 533       return GL_TRUE;
 534
 535    case GL_TEXTURE_SWIZZLE_R_EXT:
 536    case GL_TEXTURE_SWIZZLE_G_EXT:
 537    case GL_TEXTURE_SWIZZLE_B_EXT:
 538    case GL_TEXTURE_SWIZZLE_A_EXT:
 539       if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
 540           || _mesa_is_gles3(ctx)) {
 541          const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
 542          const GLint swz = comp_to_swizzle(params[0]);
 543          if (swz < 0) {
 544             _mesa_error(ctx, GL_INVALID_ENUM,
 545                         "glTex%sParameter(swizzle 0x%x)", suffix, params[0]);
 546             return GL_FALSE;
 547          }
 548          assert(comp < 4);
 549
 550          flush(ctx);
 551          texObj->Swizzle[comp] = params[0];
 552          set_swizzle_component(&texObj->_Swizzle, comp, swz);
 553          return GL_TRUE;
 554       }
 555       goto invalid_pname;
 556
 557    case GL_TEXTURE_SWIZZLE_RGBA_EXT:
 558       if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
 559           || _mesa_is_gles3(ctx)) {
 560          GLuint comp;
 561          flush(ctx);
 562          for (comp = 0; comp < 4; comp++) {
 563             const GLint swz = comp_to_swizzle(params[comp]);
 564             if (swz >= 0) {
 565                texObj->Swizzle[comp] = params[comp];
 566                set_swizzle_component(&texObj->_Swizzle, comp, swz);
 567             }
 568             else {
 569                _mesa_error(ctx, GL_INVALID_ENUM,
 570                            "glTex%sParameter(swizzle 0x%x)",
 571                            suffix, params[comp]);
 572                return GL_FALSE;
 573             }
 574          }
 575          return GL_TRUE;
 576       }
 577       goto invalid_pname;
 578
 579    case GL_TEXTURE_SRGB_DECODE_EXT:
 580       if (ctx->Extensions.EXT_texture_sRGB_decode) {
 581          GLenum decode = params[0];
 582
 583          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 584             goto invalid_enum;
 585
 586          if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
 587             if (texObj->Sampler.sRGBDecode != decode) {
 588                flush(ctx);
 589                texObj->Sampler.sRGBDecode = decode;
 590             }
 591             return GL_TRUE;
 592          }
 593       }
 594       goto invalid_pname;
 595
 596    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
 597       if (_mesa_is_desktop_gl(ctx)
 598           && ctx->Extensions.AMD_seamless_cubemap_per_texture) {
 599          GLenum param = params[0];
 600
 601          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 602             goto invalid_enum;
 603
 604          if (param != GL_TRUE && param != GL_FALSE) {
 605             goto invalid_param;
 606          }
 607          if (param != texObj->Sampler.CubeMapSeamless) {
 608             flush(ctx);
 609             texObj->Sampler.CubeMapSeamless = param;
 610          }
 611          return GL_TRUE;
 612       }
 613       goto invalid_pname;
 614
 615    default:
 616       goto invalid_pname;
 617    }
 618
 619 invalid_pname:
 620    _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
 621                suffix, _mesa_enum_to_string(pname));
 622    return GL_FALSE;
 623
 624 invalid_param:
 625    _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(param=%s)",
 626                suffix, _mesa_enum_to_string(params[0]));
 627    return GL_FALSE;
 628
 629 invalid_operation:
 630    _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sParameter(pname=%s)",
 631                suffix, _mesa_enum_to_string(pname));
 632    return GL_FALSE;
 633
 634 invalid_enum:
 635    _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
 636                suffix, _mesa_enum_to_string(pname));
 637    return GL_FALSE;
 638 }
 639
 640
 641 /**
 642  * Set a float-valued texture parameter
 643  * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
 644  */
 645 static GLboolean
 646 set_tex_parameterf(struct gl_context *ctx,
 647                    struct gl_texture_object *texObj,
 648                    GLenum pname, const GLfloat *params, bool dsa)
 649 {
 650    const char *suffix = dsa ? "ture" : "";
 651
 652    if (texObj->HandleAllocated) {
 653       /* The ARB_bindless_texture spec says:
 654        *
 655        * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
 656        * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
 657        * functions defined in terms of these, if the texture object to be
 658        * modified is referenced by one or more texture or image handles."
 659        */
 660       _mesa_error(ctx, GL_INVALID_OPERATION,
 661                   "glTex%sParameter(immutable texture)", suffix);
 662       return GL_FALSE;
 663    }
 664
 665    switch (pname) {
 666    case GL_TEXTURE_MIN_LOD:
 667       if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
 668          goto invalid_pname;
 669
 670       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 671          goto invalid_enum;
 672
 673       if (texObj->Sampler.MinLod == params[0])
 674          return GL_FALSE;
 675       flush(ctx);
 676       texObj->Sampler.MinLod = params[0];
 677       return GL_TRUE;
 678
 679    case GL_TEXTURE_MAX_LOD:
 680       if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
 681          goto invalid_pname;
 682
 683       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 684          goto invalid_enum;
 685
 686       if (texObj->Sampler.MaxLod == params[0])
 687          return GL_FALSE;
 688       flush(ctx);
 689       texObj->Sampler.MaxLod = params[0];
 690       return GL_TRUE;
 691
 692    case GL_TEXTURE_PRIORITY:
 693       if (ctx->API != API_OPENGL_COMPAT)
 694          goto invalid_pname;
 695
 696       flush(ctx);
 697       texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
 698       return GL_TRUE;
 699
 700    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 701       if (ctx->Extensions.EXT_texture_filter_anisotropic) {
 702          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 703             goto invalid_enum;
 704
 705          if (texObj->Sampler.MaxAnisotropy == params[0])
 706             return GL_FALSE;
 707          if (params[0] < 1.0F) {
 708             _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sParameter(param)",
 709                         suffix);
 710             return GL_FALSE;
 711          }
 712          flush(ctx);
 713          /* clamp to max, that's what NVIDIA does */
 714          texObj->Sampler.MaxAnisotropy = MIN2(params[0],
 715                                       ctx->Const.MaxTextureMaxAnisotropy);
 716          return GL_TRUE;
 717       }
 718       else {
 719          static GLuint count = 0;
 720          if (count++ < 10)
 721             goto invalid_pname;
 722       }
 723       return GL_FALSE;
 724
 725    case GL_TEXTURE_LOD_BIAS:
 726       /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
 727       if (_mesa_is_gles(ctx))
 728          goto invalid_pname;
 729
 730       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 731          goto invalid_enum;
 732
 733       if (texObj->Sampler.LodBias != params[0]) {
 734          flush(ctx);
 735          texObj->Sampler.LodBias = params[0];
 736          return GL_TRUE;
 737       }
 738       break;
 739
 740    case GL_TEXTURE_BORDER_COLOR:
 741       if (ctx->API == API_OPENGLES ||
 742           !ctx->Extensions.ARB_texture_border_clamp)
 743          goto invalid_pname;
 744
 745       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
 746          goto invalid_enum;
 747
 748       flush(ctx);
 749       /* ARB_texture_float disables clamping */
 750       if (ctx->Extensions.ARB_texture_float) {
 751          texObj->Sampler.BorderColor.f[RCOMP] = params[0];
 752          texObj->Sampler.BorderColor.f[GCOMP] = params[1];
 753          texObj->Sampler.BorderColor.f[BCOMP] = params[2];
 754          texObj->Sampler.BorderColor.f[ACOMP] = params[3];
 755       } else {
 756          texObj->Sampler.BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F);
 757          texObj->Sampler.BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F);
 758          texObj->Sampler.BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F);
 759          texObj->Sampler.BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F);
 760       }
 761       return GL_TRUE;
 762
 763    default:
 764       goto invalid_pname;
 765    }
 766    return GL_FALSE;
 767
 768 invalid_pname:
 769    _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
 770                suffix, _mesa_enum_to_string(pname));
 771    return GL_FALSE;
 772
 773 invalid_enum:
 774    _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
 775                suffix, _mesa_enum_to_string(pname));
 776    return GL_FALSE;
 777 }
 778
 779
 780 void
 781 _mesa_texture_parameterf(struct gl_context *ctx,
 782                          struct gl_texture_object *texObj,
 783                          GLenum pname, GLfloat param, bool dsa)
 784 {
 785    GLboolean need_update;
 786
 787    switch (pname) {
 788    case GL_TEXTURE_MIN_FILTER:
 789    case GL_TEXTURE_MAG_FILTER:
 790    case GL_TEXTURE_WRAP_S:
 791    case GL_TEXTURE_WRAP_T:
 792    case GL_TEXTURE_WRAP_R:
 793    case GL_TEXTURE_BASE_LEVEL:
 794    case GL_TEXTURE_MAX_LEVEL:
 795    case GL_GENERATE_MIPMAP_SGIS:
 796    case GL_TEXTURE_COMPARE_MODE_ARB:
 797    case GL_TEXTURE_COMPARE_FUNC_ARB:
 798    case GL_DEPTH_TEXTURE_MODE_ARB:
 799    case GL_DEPTH_STENCIL_TEXTURE_MODE:
 800    case GL_TEXTURE_SRGB_DECODE_EXT:
 801    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
 802    case GL_TEXTURE_SWIZZLE_R_EXT:
 803    case GL_TEXTURE_SWIZZLE_G_EXT:
 804    case GL_TEXTURE_SWIZZLE_B_EXT:
 805    case GL_TEXTURE_SWIZZLE_A_EXT:
 806       {
 807          GLint p[4];
 808          p[0] = (param > 0) ?
 809                 ((param > INT_MAX) ? INT_MAX : (GLint) (param + 0.5)) :
 810                 ((param < INT_MIN) ? INT_MIN : (GLint) (param - 0.5));
 811
 812          p[1] = p[2] = p[3] = 0;
 813          need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
 814       }
 815       break;
 816    case GL_TEXTURE_BORDER_COLOR:
 817    case GL_TEXTURE_SWIZZLE_RGBA:
 818       _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameterf(non-scalar pname)",
 819                   dsa ? "ture" : "");
 820       return;
 821    default:
 822       {
 823          /* this will generate an error if pname is illegal */
 824          GLfloat p[4];
 825          p[0] = param;
 826          p[1] = p[2] = p[3] = 0.0F;
 827          need_update = set_tex_parameterf(ctx, texObj, pname, p, dsa);
 828       }
 829    }
 830
 831    if (ctx->Driver.TexParameter && need_update) {
 832       ctx->Driver.TexParameter(ctx, texObj, pname);
 833    }
 834 }
 835
 836
 837 void
 838 _mesa_texture_parameterfv(struct gl_context *ctx,
 839                           struct gl_texture_object *texObj,
 840                           GLenum pname, const GLfloat *params, bool dsa)
 841 {
 842    GLboolean need_update;
 843    switch (pname) {
 844    case GL_TEXTURE_MIN_FILTER:
 845    case GL_TEXTURE_MAG_FILTER:
 846    case GL_TEXTURE_WRAP_S:
 847    case GL_TEXTURE_WRAP_T:
 848    case GL_TEXTURE_WRAP_R:
 849    case GL_TEXTURE_BASE_LEVEL:
 850    case GL_TEXTURE_MAX_LEVEL:
 851    case GL_GENERATE_MIPMAP_SGIS:
 852    case GL_TEXTURE_COMPARE_MODE_ARB:
 853    case GL_TEXTURE_COMPARE_FUNC_ARB:
 854    case GL_DEPTH_TEXTURE_MODE_ARB:
 855    case GL_DEPTH_STENCIL_TEXTURE_MODE:
 856    case GL_TEXTURE_SRGB_DECODE_EXT:
 857    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
 858       {
 859          /* convert float param to int */
 860          GLint p[4];
 861          p[0] = (GLint) params[0];
 862          p[1] = p[2] = p[3] = 0;
 863          need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
 864       }
 865       break;
 866    case GL_TEXTURE_CROP_RECT_OES:
 867       {
 868          /* convert float params to int */
 869          GLint iparams[4];
 870          iparams[0] = (GLint) params[0];
 871          iparams[1] = (GLint) params[1];
 872          iparams[2] = (GLint) params[2];
 873          iparams[3] = (GLint) params[3];
 874          need_update = set_tex_parameteri(ctx, texObj, pname, iparams, dsa);
 875       }
 876       break;
 877    case GL_TEXTURE_SWIZZLE_R_EXT:
 878    case GL_TEXTURE_SWIZZLE_G_EXT:
 879    case GL_TEXTURE_SWIZZLE_B_EXT:
 880    case GL_TEXTURE_SWIZZLE_A_EXT:
 881    case GL_TEXTURE_SWIZZLE_RGBA_EXT:
 882       {
 883          GLint p[4] = {0, 0, 0, 0};
 884          p[0] = (GLint) params[0];
 885          if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) {
 886             p[1] = (GLint) params[1];
 887             p[2] = (GLint) params[2];
 888             p[3] = (GLint) params[3];
 889          }
 890          need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
 891       }
 892       break;
 893    default:
 894       /* this will generate an error if pname is illegal */
 895       need_update = set_tex_parameterf(ctx, texObj, pname, params, dsa);
 896    }
 897
 898    if (ctx->Driver.TexParameter && need_update) {
 899       ctx->Driver.TexParameter(ctx, texObj, pname);
 900    }
 901 }
 902
 903
 904 void
 905 _mesa_texture_parameteri(struct gl_context *ctx,
 906                          struct gl_texture_object *texObj,
 907                          GLenum pname, GLint param, bool dsa)
 908 {
 909    GLboolean need_update;
 910    switch (pname) {
 911    case GL_TEXTURE_MIN_LOD:
 912    case GL_TEXTURE_MAX_LOD:
 913    case GL_TEXTURE_PRIORITY:
 914    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 915    case GL_TEXTURE_LOD_BIAS:
 916    case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
 917       {
 918          GLfloat fparam[4];
 919          fparam[0] = (GLfloat) param;
 920          fparam[1] = fparam[2] = fparam[3] = 0.0F;
 921          /* convert int param to float */
 922          need_update = set_tex_parameterf(ctx, texObj, pname, fparam, dsa);
 923       }
 924       break;
 925    case GL_TEXTURE_BORDER_COLOR:
 926    case GL_TEXTURE_SWIZZLE_RGBA:
 927       {
 928          _mesa_error(ctx, GL_INVALID_ENUM,
 929                      "glTex%sParameteri(non-scalar pname)",
 930                      dsa ? "ture" : "");
 931          return;
 932       }
 933    default:
 934       /* this will generate an error if pname is illegal */
 935       {
 936          GLint iparam[4];
 937          iparam[0] = param;
 938          iparam[1] = iparam[2] = iparam[3] = 0;
 939          need_update = set_tex_parameteri(ctx, texObj, pname, iparam, dsa);
 940       }
 941    }
 942
 943    if (ctx->Driver.TexParameter && need_update) {
 944       ctx->Driver.TexParameter(ctx, texObj, pname);
 945    }
 946 }
 947
 948
 949 void
 950 _mesa_texture_parameteriv(struct gl_context *ctx,
 951                           struct gl_texture_object *texObj,
 952                           GLenum pname, const GLint *params, bool dsa)
 953 {
 954    GLboolean need_update;
 955
 956    switch (pname) {
 957    case GL_TEXTURE_BORDER_COLOR:
 958       {
 959          if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
 960             _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameteriv(texture)");
 961             return;
 962          }
 963          /* convert int params to float */
 964          GLfloat fparams[4];
 965          fparams[0] = INT_TO_FLOAT(params[0]);
 966          fparams[1] = INT_TO_FLOAT(params[1]);
 967          fparams[2] = INT_TO_FLOAT(params[2]);
 968          fparams[3] = INT_TO_FLOAT(params[3]);
 969          need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa);
 970       }
 971       break;
 972    case GL_TEXTURE_MIN_LOD:
 973    case GL_TEXTURE_MAX_LOD:
 974    case GL_TEXTURE_PRIORITY:
 975    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 976    case GL_TEXTURE_LOD_BIAS:
 977    case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
 978       {
 979          /* convert int param to float */
 980          GLfloat fparams[4];
 981          fparams[0] = (GLfloat) params[0];
 982          fparams[1] = fparams[2] = fparams[3] = 0.0F;
 983          need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa);
 984       }
 985       break;
 986    default:
 987       /* this will generate an error if pname is illegal */
 988       need_update = set_tex_parameteri(ctx, texObj, pname, params, dsa);
 989    }
 990
 991    if (ctx->Driver.TexParameter && need_update) {
 992       ctx->Driver.TexParameter(ctx, texObj, pname);
 993    }
 994 }
 995
 996 void
 997 _mesa_texture_parameterIiv(struct gl_context *ctx,
 998                            struct gl_texture_object *texObj,
 999                            GLenum pname, const GLint *params, bool dsa)
1000 {
1001    switch (pname) {
1002    case GL_TEXTURE_BORDER_COLOR:
1003       if (texObj->HandleAllocated) {
1004          _mesa_error(ctx, GL_INVALID_OPERATION,
1005                      "glTextureParameterIiv(immutable texture)");
1006          return;
1007       }
1008
1009       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
1010          _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIiv(texture)");
1011          return;
1012       }
1013       FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
1014       /* set the integer-valued border color */
1015       COPY_4V(texObj->Sampler.BorderColor.i, params);
1016       break;
1017    default:
1018       _mesa_texture_parameteriv(ctx, texObj, pname, params, dsa);
1019       break;
1020    }
1021    /* XXX no driver hook for TexParameterIiv() yet */
1022 }
1023
1024 void
1025 _mesa_texture_parameterIuiv(struct gl_context *ctx,
1026                             struct gl_texture_object *texObj,
1027                             GLenum pname, const GLuint *params, bool dsa)
1028 {
1029    switch (pname) {
1030    case GL_TEXTURE_BORDER_COLOR:
1031       if (texObj->HandleAllocated) {
1032          _mesa_error(ctx, GL_INVALID_OPERATION,
1033                      "glTextureParameterIuiv(immutable texture)");
1034          return;
1035       }
1036
1037       if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
1038          _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIuiv(texture)");
1039          return;
1040       }
1041       FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
1042       /* set the unsigned integer-valued border color */
1043       COPY_4V(texObj->Sampler.BorderColor.ui, params);
1044       break;
1045    default:
1046       _mesa_texture_parameteriv(ctx, texObj, pname, (const GLint *) params,
1047                                 dsa);
1048       break;
1049    }
1050    /* XXX no driver hook for TexParameterIuiv() yet */
1051 }
1052
1053 void GLAPIENTRY
1054 _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
1055 {
1056    struct gl_texture_object *texObj;
1057    GET_CURRENT_CONTEXT(ctx);
1058
1059    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1060    if (!texObj)
1061       return;
1062
1063    _mesa_texture_parameterf(ctx, texObj, pname, param, false);
1064 }
1065
1066 void GLAPIENTRY
1067 _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
1068 {
1069    struct gl_texture_object *texObj;
1070    GET_CURRENT_CONTEXT(ctx);
1071
1072    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1073    if (!texObj)
1074       return;
1075
1076    _mesa_texture_parameterfv(ctx, texObj, pname, params, false);
1077 }
1078
1079 void GLAPIENTRY
1080 _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
1081 {
1082    struct gl_texture_object *texObj;
1083    GET_CURRENT_CONTEXT(ctx);
1084
1085    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1086    if (!texObj)
1087       return;
1088
1089    _mesa_texture_parameteri(ctx, texObj, pname, param, false);
1090 }
1091
1092 void GLAPIENTRY
1093 _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
1094 {
1095    struct gl_texture_object *texObj;
1096    GET_CURRENT_CONTEXT(ctx);
1097
1098    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1099    if (!texObj)
1100       return;
1101
1102    _mesa_texture_parameteriv(ctx, texObj, pname, params, false);
1103 }
1104
1105 /**
1106  * Set tex parameter to integer value(s).  Primarily intended to set
1107  * integer-valued texture border color (for integer-valued textures).
1108  * New in GL 3.0.
1109  */
1110 void GLAPIENTRY
1111 _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
1112 {
1113    struct gl_texture_object *texObj;
1114    GET_CURRENT_CONTEXT(ctx);
1115
1116    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1117    if (!texObj)
1118       return;
1119
1120    _mesa_texture_parameterIiv(ctx, texObj, pname, params, false);
1121 }
1122
1123 /**
1124  * Set tex parameter to unsigned integer value(s).  Primarily intended to set
1125  * uint-valued texture border color (for integer-valued textures).
1126  * New in GL 3.0
1127  */
1128 void GLAPIENTRY
1129 _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
1130 {
1131    struct gl_texture_object *texObj;
1132    GET_CURRENT_CONTEXT(ctx);
1133
1134    texObj = get_texobj_by_target(ctx, target, GL_FALSE);
1135    if (!texObj)
1136       return;
1137
1138    _mesa_texture_parameterIuiv(ctx, texObj, pname, params, false);
1139 }
1140
1141
1142 void GLAPIENTRY
1143 _mesa_TextureParameterfv(GLuint texture, GLenum pname, const GLfloat *params)
1144 {
1145    struct gl_texture_object *texObj;
1146    GET_CURRENT_CONTEXT(ctx);
1147
1148    texObj = get_texobj_by_name(ctx, texture, "glTextureParameterfv");
1149    if (!texObj)
1150       return;
1151
1152    _mesa_texture_parameterfv(ctx, texObj, pname, params, true);
1153 }
1154
1155 void GLAPIENTRY
1156 _mesa_TextureParameterf(GLuint texture, GLenum pname, GLfloat param)
1157 {
1158    struct gl_texture_object *texObj;
1159    GET_CURRENT_CONTEXT(ctx);
1160
1161    texObj = get_texobj_by_name(ctx, texture, "glTextureParameterf");
1162    if (!texObj)
1163       return;
1164
1165    _mesa_texture_parameterf(ctx, texObj, pname, param, true);
1166 }
1167
1168 void GLAPIENTRY
1169 _mesa_TextureParameteri(GLuint texture, GLenum pname, GLint param)
1170 {
1171    struct gl_texture_object *texObj;
1172    GET_CURRENT_CONTEXT(ctx);
1173
1174    texObj = get_texobj_by_name(ctx, texture, "glTextureParameteri");
1175    if (!texObj)
1176       return;
1177
1178    _mesa_texture_parameteri(ctx, texObj, pname, param, true);
1179 }
1180
1181 void GLAPIENTRY
1182 _mesa_TextureParameteriv(GLuint texture, GLenum pname,
1183                          const GLint *params)
1184 {
1185    struct gl_texture_object *texObj;
1186    GET_CURRENT_CONTEXT(ctx);
1187
1188    texObj = get_texobj_by_name(ctx, texture, "glTextureParameteriv");
1189    if (!texObj)
1190       return;
1191
1192    _mesa_texture_parameteriv(ctx, texObj, pname, params, true);
1193 }
1194
1195
1196 void GLAPIENTRY
1197 _mesa_TextureParameterIiv(GLuint texture, GLenum pname, const GLint *params)
1198 {
1199    struct gl_texture_object *texObj;
1200    GET_CURRENT_CONTEXT(ctx);
1201
1202    texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIiv");
1203    if (!texObj)
1204       return;
1205
1206    _mesa_texture_parameterIiv(ctx, texObj, pname, params, true);
1207 }
1208
1209 void GLAPIENTRY
1210 _mesa_TextureParameterIuiv(GLuint texture, GLenum pname, const GLuint *params)
1211 {
1212    struct gl_texture_object *texObj;
1213    GET_CURRENT_CONTEXT(ctx);
1214
1215    texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIuiv");
1216    if (!texObj)
1217       return;
1218
1219    _mesa_texture_parameterIuiv(ctx, texObj, pname, params, true);
1220 }
1221
1222 GLboolean
1223 _mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
1224                                            bool dsa)
1225 {
1226    /* Common targets for desktop GL and GLES 3.1. */
1227    switch (target) {
1228    case GL_TEXTURE_2D:
1229    case GL_TEXTURE_3D:
1230       return GL_TRUE;
1231    case GL_TEXTURE_2D_ARRAY_EXT:
1232       return ctx->Extensions.EXT_texture_array;
1233    case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1234    case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1235    case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1236    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1237    case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1238    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1239       return ctx->Extensions.ARB_texture_cube_map;
1240    case GL_TEXTURE_2D_MULTISAMPLE:
1241    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1242       return ctx->Extensions.ARB_texture_multisample;
1243    case GL_TEXTURE_BUFFER:
1244       /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
1245        * but not in earlier versions that expose ARB_texture_buffer_object.
1246        *
1247        * From the ARB_texture_buffer_object spec:
1248        * "(7) Do buffer textures support texture parameters (TexParameter) or
1249        *      queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
1250        *
1251        *    RESOLVED:  No. [...] Note that the spec edits above don't add
1252        *    explicit error language for any of these cases.  That is because
1253        *    each of the functions enumerate the set of valid <target>
1254        *    parameters.  Not editing the spec to allow TEXTURE_BUFFER_ARB in
1255        *    these cases means that target is not legal, and an INVALID_ENUM
1256        *    error should be generated."
1257        *
1258        * From the OpenGL 3.1 spec:
1259        * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
1260        */
1261       return (ctx->API == API_OPENGL_CORE && ctx->Version >= 31) ||
1262          _mesa_has_OES_texture_buffer(ctx);
1263    case GL_TEXTURE_CUBE_MAP_ARRAY:
1264       return _mesa_has_texture_cube_map_array(ctx);
1265    }
1266
1267    if (!_mesa_is_desktop_gl(ctx))
1268       return GL_FALSE;
1269
1270    /* Rest of the desktop GL targets. */
1271    switch (target) {
1272    case GL_TEXTURE_1D:
1273    case GL_PROXY_TEXTURE_1D:
1274    case GL_PROXY_TEXTURE_2D:
1275    case GL_PROXY_TEXTURE_3D:
1276       return GL_TRUE;
1277    case GL_PROXY_TEXTURE_CUBE_MAP:
1278       return ctx->Extensions.ARB_texture_cube_map;
1279    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1280       return ctx->Extensions.ARB_texture_cube_map_array;
1281    case GL_TEXTURE_RECTANGLE_NV:
1282    case GL_PROXY_TEXTURE_RECTANGLE_NV:
1283       return ctx->Extensions.NV_texture_rectangle;
1284    case GL_TEXTURE_1D_ARRAY_EXT:
1285    case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1286    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1287       return ctx->Extensions.EXT_texture_array;
1288    case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
1289    case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
1290       return ctx->Extensions.ARB_texture_multisample;
1291
1292    /*  This is a valid target for dsa, but the OpenGL 4.5 core spec
1293     *  (30.10.2014) Section 8.11 Texture Queries says:
1294     *       "For GetTextureLevelParameter* only, texture may also be a cube
1295     *       map texture object.  In this case the query is always performed
1296     *       for face zero (the TEXTURE_CUBE_MAP_POSITIVE_X face), since there
1297     *       is no way to specify another face."
1298     */
1299    case GL_TEXTURE_CUBE_MAP:
1300       return dsa;
1301    default:
1302       return GL_FALSE;
1303    }
1304 }
1305
1306
1307 static void
1308 get_tex_level_parameter_image(struct gl_context *ctx,
1309                               const struct gl_texture_object *texObj,
1310                               GLenum target, GLint level,
1311                               GLenum pname, GLint *params,
1312                               bool dsa)
1313 {
1314    const struct gl_texture_image *img = NULL;
1315    struct gl_texture_image dummy_image;
1316    mesa_format texFormat;
1317    const char *suffix = dsa ? "ture" : "";
1318
1319    img = _mesa_select_tex_image(texObj, target, level);
1320    if (!img || img->TexFormat == MESA_FORMAT_NONE) {
1321       /* In case of undefined texture image return the default values.
1322        *
1323        * From OpenGL 4.0 spec, page 398:
1324        *    "The initial internal format of a texel array is RGBA
1325        *     instead of 1. TEXTURE_COMPONENTS is deprecated; always
1326        *     use TEXTURE_INTERNAL_FORMAT."
1327        */
1328       memset(&dummy_image, 0, sizeof(dummy_image));
1329       dummy_image.TexFormat = MESA_FORMAT_NONE;
1330       dummy_image.InternalFormat = GL_RGBA;
1331       dummy_image._BaseFormat = GL_NONE;
1332       dummy_image.FixedSampleLocations = GL_TRUE;
1333
1334       img = &dummy_image;
1335    }
1336
1337    texFormat = img->TexFormat;
1338
1339    switch (pname) {
1340       case GL_TEXTURE_WIDTH:
1341          *params = img->Width;
1342          break;
1343       case GL_TEXTURE_HEIGHT:
1344          *params = img->Height;
1345          break;
1346       case GL_TEXTURE_DEPTH:
1347          *params = img->Depth;
1348          break;
1349       case GL_TEXTURE_INTERNAL_FORMAT:
1350          if (_mesa_is_format_compressed(texFormat)) {
1351             /* need to return the actual compressed format */
1352             *params = _mesa_compressed_format_to_glenum(ctx, texFormat);
1353          }
1354          else {
1355             /* If the true internal format is not compressed but the user
1356              * requested a generic compressed format, we have to return the
1357              * generic base format that matches.
1358              *
1359              * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
1360              *
1361              *     "If no specific compressed format is available,
1362              *     internalformat is instead replaced by the corresponding base
1363              *     internal format."
1364              *
1365              * Otherwise just return the user's requested internal format
1366              */
1367             const GLenum f =
1368                _mesa_gl_compressed_format_base_format(img->InternalFormat);
1369
1370             *params = (f != 0) ? f : img->InternalFormat;
1371          }
1372          break;
1373       case GL_TEXTURE_BORDER:
1374          if (ctx->API != API_OPENGL_COMPAT)
1375             goto invalid_pname;
1376          *params = img->Border;
1377          break;
1378       case GL_TEXTURE_RED_SIZE:
1379       case GL_TEXTURE_GREEN_SIZE:
1380       case GL_TEXTURE_BLUE_SIZE:
1381       case GL_TEXTURE_ALPHA_SIZE:
1382          if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
1383             *params = _mesa_get_format_bits(texFormat, pname);
1384          else
1385             *params = 0;
1386          break;
1387       case GL_TEXTURE_INTENSITY_SIZE:
1388       case GL_TEXTURE_LUMINANCE_SIZE:
1389          if (ctx->API != API_OPENGL_COMPAT)
1390             goto invalid_pname;
1391          if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
1392             *params = _mesa_get_format_bits(texFormat, pname);
1393             if (*params == 0) {
1394                /* intensity or luminance is probably stored as RGB[A] */
1395                *params = MIN2(_mesa_get_format_bits(texFormat,
1396                                                     GL_TEXTURE_RED_SIZE),
1397                               _mesa_get_format_bits(texFormat,
1398                                                     GL_TEXTURE_GREEN_SIZE));
1399             }
1400          }
1401          else {
1402             *params = 0;
1403          }
1404          break;
1405       case GL_TEXTURE_DEPTH_SIZE_ARB:
1406          if (!ctx->Extensions.ARB_depth_texture)
1407             goto invalid_pname;
1408          *params = _mesa_get_format_bits(texFormat, pname);
1409          break;
1410       case GL_TEXTURE_STENCIL_SIZE:
1411          *params = _mesa_get_format_bits(texFormat, pname);
1412          break;
1413       case GL_TEXTURE_SHARED_SIZE:
1414          if (ctx->Version < 30 &&
1415              !ctx->Extensions.EXT_texture_shared_exponent)
1416             goto invalid_pname;
1417          *params = texFormat == MESA_FORMAT_R9G9B9E5_FLOAT ? 5 : 0;
1418          break;
1419
1420       /* GL_ARB_texture_compression */
1421       case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
1422          if (_mesa_is_format_compressed(texFormat) &&
1423              !_mesa_is_proxy_texture(target)) {
1424             *params = _mesa_format_image_size(texFormat, img->Width,
1425                                               img->Height, img->Depth);
1426          } else {
1427             _mesa_error(ctx, GL_INVALID_OPERATION,
1428                         "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
1429                         _mesa_enum_to_string(pname));
1430          }
1431          break;
1432       case GL_TEXTURE_COMPRESSED:
1433          *params = (GLint) _mesa_is_format_compressed(texFormat);
1434          break;
1435
1436       /* GL_ARB_texture_float */
1437       case GL_TEXTURE_LUMINANCE_TYPE_ARB:
1438       case GL_TEXTURE_INTENSITY_TYPE_ARB:
1439          if (ctx->API != API_OPENGL_COMPAT)
1440             goto invalid_pname;
1441          /* FALLTHROUGH */
1442       case GL_TEXTURE_RED_TYPE_ARB:
1443       case GL_TEXTURE_GREEN_TYPE_ARB:
1444       case GL_TEXTURE_BLUE_TYPE_ARB:
1445       case GL_TEXTURE_ALPHA_TYPE_ARB:
1446       case GL_TEXTURE_DEPTH_TYPE_ARB:
1447          if (!ctx->Extensions.ARB_texture_float)
1448             goto invalid_pname;
1449          if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
1450             *params = _mesa_get_format_datatype(texFormat);
1451          else
1452             *params = GL_NONE;
1453          break;
1454
1455       /* GL_ARB_texture_multisample */
1456       case GL_TEXTURE_SAMPLES:
1457          if (!ctx->Extensions.ARB_texture_multisample)
1458             goto invalid_pname;
1459          *params = img->NumSamples;
1460          break;
1461
1462       case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
1463          if (!ctx->Extensions.ARB_texture_multisample)
1464             goto invalid_pname;
1465          *params = img->FixedSampleLocations;
1466          break;
1467
1468       /* There is never a buffer data store here, but these pnames still have
1469        * to work.
1470        */
1471
1472       /* GL_ARB_texture_buffer_object */
1473       case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
1474          if (!ctx->Extensions.ARB_texture_buffer_object)
1475             goto invalid_pname;
1476          *params = 0;
1477          break;
1478
1479       /* GL_ARB_texture_buffer_range */
1480       case GL_TEXTURE_BUFFER_OFFSET:
1481          if (!ctx->Extensions.ARB_texture_buffer_range)
1482             goto invalid_pname;
1483          *params = 0;
1484          break;
1485       case GL_TEXTURE_BUFFER_SIZE:
1486          if (!ctx->Extensions.ARB_texture_buffer_range)
1487             goto invalid_pname;
1488          *params = 0;
1489          break;
1490
1491       default:
1492          goto invalid_pname;
1493    }
1494
1495    /* no error if we get here */
1496    return;
1497
1498 invalid_pname:
1499    _mesa_error(ctx, GL_INVALID_ENUM,
1500                "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
1501                _mesa_enum_to_string(pname));
1502 }
1503
1504
1505 /**
1506  * Handle a glGetTexLevelParamteriv() call for a texture buffer.
1507  */
1508 static void
1509 get_tex_level_parameter_buffer(struct gl_context *ctx,
1510                                const struct gl_texture_object *texObj,
1511                                GLenum pname, GLint *params, bool dsa)
1512 {
1513    const struct gl_buffer_object *bo = texObj->BufferObject;
1514    mesa_format texFormat = texObj->_BufferObjectFormat;
1515    int bytes = MAX2(1, _mesa_get_format_bytes(texFormat));
1516    GLenum internalFormat = texObj->BufferObjectFormat;
1517    GLenum baseFormat = _mesa_get_format_base_format(texFormat);
1518    const char *suffix = dsa ? "ture" : "";
1519
1520    assert(texObj->Target == GL_TEXTURE_BUFFER);
1521
1522    if (!bo) {
1523       /* undefined texture buffer object */
1524       switch (pname) {
1525       case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
1526          *params = GL_TRUE;
1527          break;
1528       case GL_TEXTURE_INTERNAL_FORMAT:
1529          *params = internalFormat;
1530          break;
1531       default:
1532          *params = 0;
1533          break;
1534       }
1535       return;
1536    }
1537
1538    switch (pname) {
1539       case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
1540          *params = bo->Name;
1541          break;
1542       case GL_TEXTURE_WIDTH:
1543          *params = ((texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize)
1544             / bytes;
1545          break;
1546       case GL_TEXTURE_HEIGHT:
1547       case GL_TEXTURE_DEPTH:
1548          *params = 1;
1549          break;
1550       case GL_TEXTURE_BORDER:
1551       case GL_TEXTURE_SHARED_SIZE:
1552       case GL_TEXTURE_COMPRESSED:
1553          *params = 0;
1554          break;
1555       case GL_TEXTURE_INTERNAL_FORMAT:
1556          *params = internalFormat;
1557          break;
1558       case GL_TEXTURE_RED_SIZE:
1559       case GL_TEXTURE_GREEN_SIZE:
1560       case GL_TEXTURE_BLUE_SIZE:
1561       case GL_TEXTURE_ALPHA_SIZE:
1562          if (_mesa_base_format_has_channel(baseFormat, pname))
1563             *params = _mesa_get_format_bits(texFormat, pname);
1564          else
1565             *params = 0;
1566          break;
1567       case GL_TEXTURE_INTENSITY_SIZE:
1568       case GL_TEXTURE_LUMINANCE_SIZE:
1569          if (_mesa_base_format_has_channel(baseFormat, pname)) {
1570             *params = _mesa_get_format_bits(texFormat, pname);
1571             if (*params == 0) {
1572                /* intensity or luminance is probably stored as RGB[A] */
1573                *params = MIN2(_mesa_get_format_bits(texFormat,
1574                                                     GL_TEXTURE_RED_SIZE),
1575                               _mesa_get_format_bits(texFormat,
1576                                                     GL_TEXTURE_GREEN_SIZE));
1577             }
1578          } else {
1579             *params = 0;
1580          }
1581          break;
1582       case GL_TEXTURE_DEPTH_SIZE_ARB:
1583       case GL_TEXTURE_STENCIL_SIZE_EXT:
1584          *params = _mesa_get_format_bits(texFormat, pname);
1585          break;
1586
1587       /* GL_ARB_texture_buffer_range */
1588       case GL_TEXTURE_BUFFER_OFFSET:
1589          if (!ctx->Extensions.ARB_texture_buffer_range)
1590             goto invalid_pname;
1591          *params = texObj->BufferOffset;
1592          break;
1593       case GL_TEXTURE_BUFFER_SIZE:
1594          if (!ctx->Extensions.ARB_texture_buffer_range)
1595             goto invalid_pname;
1596          *params = (texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize;
1597          break;
1598
1599       /* GL_ARB_texture_multisample */
1600       case GL_TEXTURE_SAMPLES:
1601          if (!ctx->Extensions.ARB_texture_multisample)
1602             goto invalid_pname;
1603          *params = 0;
1604          break;
1605
1606       case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
1607          if (!ctx->Extensions.ARB_texture_multisample)
1608             goto invalid_pname;
1609          *params = GL_TRUE;
1610          break;
1611
1612       /* GL_ARB_texture_compression */
1613       case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
1614          /* Always illegal for GL_TEXTURE_BUFFER */
1615          _mesa_error(ctx, GL_INVALID_OPERATION,
1616                      "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
1617                      _mesa_enum_to_string(pname));
1618          break;
1619
1620       /* GL_ARB_texture_float */
1621       case GL_TEXTURE_RED_TYPE_ARB:
1622       case GL_TEXTURE_GREEN_TYPE_ARB:
1623       case GL_TEXTURE_BLUE_TYPE_ARB:
1624       case GL_TEXTURE_ALPHA_TYPE_ARB:
1625       case GL_TEXTURE_LUMINANCE_TYPE_ARB:
1626       case GL_TEXTURE_INTENSITY_TYPE_ARB:
1627       case GL_TEXTURE_DEPTH_TYPE_ARB:
1628          if (!ctx->Extensions.ARB_texture_float)
1629             goto invalid_pname;
1630          if (_mesa_base_format_has_channel(baseFormat, pname))
1631             *params = _mesa_get_format_datatype(texFormat);
1632          else
1633             *params = GL_NONE;
1634          break;
1635
1636       default:
1637          goto invalid_pname;
1638    }
1639
1640    /* no error if we get here */
1641    return;
1642
1643 invalid_pname:
1644    _mesa_error(ctx, GL_INVALID_ENUM,
1645                "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
1646                _mesa_enum_to_string(pname));
1647 }
1648
1649 static bool
1650 valid_tex_level_parameteriv_target(struct gl_context *ctx, GLenum target,
1651                                    bool dsa)
1652 {
1653    const char *suffix = dsa ? "ture" : "";
1654    if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, dsa)) {
1655       _mesa_error(ctx, GL_INVALID_ENUM,
1656                   "glGetTex%sLevelParameter[if]v(target=%s)", suffix,
1657                   _mesa_enum_to_string(target));
1658       return false;
1659    }
1660    return true;
1661 }
1662
1663 /**
1664  * This isn't exposed to the rest of the driver because it is a part of the
1665  * OpenGL API that is rarely used.
1666  */
1667 static void
1668 get_tex_level_parameteriv(struct gl_context *ctx,
1669                           struct gl_texture_object *texObj,
1670                           GLenum target, GLint level,
1671                           GLenum pname, GLint *params,
1672                           bool dsa)
1673 {
1674    GLint maxLevels;
1675    const char *suffix = dsa ? "ture" : "";
1676
1677    /* Check for errors */
1678    if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
1679       _mesa_error(ctx, GL_INVALID_OPERATION,
1680                   "glGetTex%sLevelParameter[if]v("
1681                   "current unit >= max combined texture units)", suffix);
1682       return;
1683    }
1684
1685    maxLevels = _mesa_max_texture_levels(ctx, target);
1686    assert(maxLevels != 0);
1687
1688    if (level < 0 || level >= maxLevels) {
1689       _mesa_error(ctx, GL_INVALID_VALUE,
1690                   "glGetTex%sLevelParameter[if]v(level out of range)", suffix);
1691       return;
1692    }
1693
1694    /* Get the level parameter */
1695    if (target == GL_TEXTURE_BUFFER) {
1696       get_tex_level_parameter_buffer(ctx, texObj, pname, params, dsa);
1697    }
1698    else {
1699       get_tex_level_parameter_image(ctx, texObj, target,
1700                                     level, pname, params, dsa);
1701    }
1702 }
1703
1704 void GLAPIENTRY
1705 _mesa_GetTexLevelParameterfv( GLenum target, GLint level,
1706                               GLenum pname, GLfloat *params )
1707 {
1708    struct gl_texture_object *texObj;
1709    GLint iparam;
1710    GET_CURRENT_CONTEXT(ctx);
1711
1712    if (!valid_tex_level_parameteriv_target(ctx, target, false))
1713       return;
1714
1715    texObj = _mesa_get_current_tex_object(ctx, target);
1716    if (!texObj)
1717       return;
1718
1719    get_tex_level_parameteriv(ctx, texObj, target, level,
1720                              pname, &iparam, false);
1721
1722    *params = (GLfloat) iparam;
1723 }
1724
1725 void GLAPIENTRY
1726 _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
1727                               GLenum pname, GLint *params )
1728 {
1729    struct gl_texture_object *texObj;
1730    GET_CURRENT_CONTEXT(ctx);
1731
1732    if (!valid_tex_level_parameteriv_target(ctx, target, false))
1733       return;
1734
1735    texObj = _mesa_get_current_tex_object(ctx, target);
1736    if (!texObj)
1737       return;
1738
1739    get_tex_level_parameteriv(ctx, texObj, target, level,
1740                              pname, params, false);
1741 }
1742
1743 void GLAPIENTRY
1744 _mesa_GetTextureLevelParameterfv(GLuint texture, GLint level,
1745                                  GLenum pname, GLfloat *params)
1746 {
1747    struct gl_texture_object *texObj;
1748    GLint iparam;
1749    GET_CURRENT_CONTEXT(ctx);
1750
1751    texObj = _mesa_lookup_texture_err(ctx, texture,
1752                                      "glGetTextureLevelParameterfv");
1753    if (!texObj)
1754       return;
1755
1756    if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
1757       return;
1758
1759    get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
1760                              pname, &iparam, true);
1761
1762    *params = (GLfloat) iparam;
1763 }
1764
1765 void GLAPIENTRY
1766 _mesa_GetTextureLevelParameteriv(GLuint texture, GLint level,
1767                                  GLenum pname, GLint *params)
1768 {
1769    struct gl_texture_object *texObj;
1770    GET_CURRENT_CONTEXT(ctx);
1771
1772    texObj = _mesa_lookup_texture_err(ctx, texture,
1773                                      "glGetTextureLevelParameteriv");
1774    if (!texObj)
1775       return;
1776
1777    if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
1778       return;
1779
1780    get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
1781                              pname, params, true);
1782 }
1783
1784 /**
1785  * This isn't exposed to the rest of the driver because it is a part of the
1786  * OpenGL API that is rarely used.
1787  */
1788 static void
1789 get_tex_parameterfv(struct gl_context *ctx,
1790                     struct gl_texture_object *obj,
1791                     GLenum pname, GLfloat *params, bool dsa)
1792 {
1793    _mesa_lock_context_textures(ctx);
1794    switch (pname) {
1795       case GL_TEXTURE_MAG_FILTER:
1796          *params = ENUM_TO_FLOAT(obj->Sampler.MagFilter);
1797          break;
1798       case GL_TEXTURE_MIN_FILTER:
1799          *params = ENUM_TO_FLOAT(obj->Sampler.MinFilter);
1800          break;
1801       case GL_TEXTURE_WRAP_S:
1802          *params = ENUM_TO_FLOAT(obj->Sampler.WrapS);
1803          break;
1804       case GL_TEXTURE_WRAP_T:
1805          *params = ENUM_TO_FLOAT(obj->Sampler.WrapT);
1806          break;
1807       case GL_TEXTURE_WRAP_R:
1808          *params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
1809          break;
1810       case GL_TEXTURE_BORDER_COLOR:
1811          if (ctx->API == API_OPENGLES ||
1812              !ctx->Extensions.ARB_texture_border_clamp)
1813             goto invalid_pname;
1814
1815          if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1816             _mesa_update_state_locked(ctx);
1817          if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) {
1818             params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
1819             params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
1820             params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
1821             params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
1822          }
1823          else {
1824             params[0] = obj->Sampler.BorderColor.f[0];
1825             params[1] = obj->Sampler.BorderColor.f[1];
1826             params[2] = obj->Sampler.BorderColor.f[2];
1827             params[3] = obj->Sampler.BorderColor.f[3];
1828          }
1829          break;
1830       case GL_TEXTURE_RESIDENT:
1831          if (ctx->API != API_OPENGL_COMPAT)
1832             goto invalid_pname;
1833
1834          *params = 1.0F;
1835          break;
1836       case GL_TEXTURE_PRIORITY:
1837          if (ctx->API != API_OPENGL_COMPAT)
1838             goto invalid_pname;
1839
1840          *params = obj->Priority;
1841          break;
1842       case GL_TEXTURE_MIN_LOD:
1843          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1844             goto invalid_pname;
1845
1846          *params = obj->Sampler.MinLod;
1847          break;
1848       case GL_TEXTURE_MAX_LOD:
1849          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1850             goto invalid_pname;
1851
1852          *params = obj->Sampler.MaxLod;
1853          break;
1854       case GL_TEXTURE_BASE_LEVEL:
1855          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1856             goto invalid_pname;
1857
1858          *params = (GLfloat) obj->BaseLevel;
1859          break;
1860       case GL_TEXTURE_MAX_LEVEL:
1861          *params = (GLfloat) obj->MaxLevel;
1862          break;
1863       case GL_TEXTURE_MAX_ANISOTROPY_EXT:
1864          if (!ctx->Extensions.EXT_texture_filter_anisotropic)
1865             goto invalid_pname;
1866          *params = obj->Sampler.MaxAnisotropy;
1867          break;
1868       case GL_GENERATE_MIPMAP_SGIS:
1869          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
1870             goto invalid_pname;
1871
1872          *params = (GLfloat) obj->GenerateMipmap;
1873          break;
1874       case GL_TEXTURE_COMPARE_MODE_ARB:
1875          if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1876              && !_mesa_is_gles3(ctx))
1877             goto invalid_pname;
1878          *params = (GLfloat) obj->Sampler.CompareMode;
1879          break;
1880       case GL_TEXTURE_COMPARE_FUNC_ARB:
1881          if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1882              && !_mesa_is_gles3(ctx))
1883             goto invalid_pname;
1884          *params = (GLfloat) obj->Sampler.CompareFunc;
1885          break;
1886       case GL_DEPTH_TEXTURE_MODE_ARB:
1887          /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
1888           * never existed in OpenGL ES.
1889           */
1890          if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
1891             goto invalid_pname;
1892          *params = (GLfloat) obj->DepthMode;
1893          break;
1894       case GL_DEPTH_STENCIL_TEXTURE_MODE:
1895          if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
1896             goto invalid_pname;
1897          *params = (GLfloat)
1898             (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
1899          break;
1900       case GL_TEXTURE_LOD_BIAS:
1901          if (_mesa_is_gles(ctx))
1902             goto invalid_pname;
1903
1904          *params = obj->Sampler.LodBias;
1905          break;
1906       case GL_TEXTURE_CROP_RECT_OES:
1907          if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
1908             goto invalid_pname;
1909
1910          params[0] = (GLfloat) obj->CropRect[0];
1911          params[1] = (GLfloat) obj->CropRect[1];
1912          params[2] = (GLfloat) obj->CropRect[2];
1913          params[3] = (GLfloat) obj->CropRect[3];
1914          break;
1915
1916       case GL_TEXTURE_SWIZZLE_R_EXT:
1917       case GL_TEXTURE_SWIZZLE_G_EXT:
1918       case GL_TEXTURE_SWIZZLE_B_EXT:
1919       case GL_TEXTURE_SWIZZLE_A_EXT:
1920          if ((!_mesa_is_desktop_gl(ctx)
1921               || !ctx->Extensions.EXT_texture_swizzle)
1922              && !_mesa_is_gles3(ctx))
1923             goto invalid_pname;
1924          *params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
1925          break;
1926
1927       case GL_TEXTURE_SWIZZLE_RGBA_EXT:
1928          if ((!_mesa_is_desktop_gl(ctx)
1929               || !ctx->Extensions.EXT_texture_swizzle)
1930              && !_mesa_is_gles3(ctx)) {
1931             goto invalid_pname;
1932          }
1933          else {
1934             GLuint comp;
1935             for (comp = 0; comp < 4; comp++) {
1936                params[comp] = (GLfloat) obj->Swizzle[comp];
1937             }
1938          }
1939          break;
1940
1941       case GL_TEXTURE_CUBE_MAP_SEAMLESS:
1942          if (!_mesa_is_desktop_gl(ctx)
1943              || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
1944             goto invalid_pname;
1945          *params = (GLfloat) obj->Sampler.CubeMapSeamless;
1946          break;
1947
1948       case GL_TEXTURE_IMMUTABLE_FORMAT:
1949          *params = (GLfloat) obj->Immutable;
1950          break;
1951
1952       case GL_TEXTURE_IMMUTABLE_LEVELS:
1953          if (_mesa_is_gles3(ctx) ||
1954              (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
1955             *params = (GLfloat) obj->ImmutableLevels;
1956          else
1957             goto invalid_pname;
1958          break;
1959
1960       case GL_TEXTURE_VIEW_MIN_LEVEL:
1961          if (!ctx->Extensions.ARB_texture_view)
1962             goto invalid_pname;
1963          *params = (GLfloat) obj->MinLevel;
1964          break;
1965
1966       case GL_TEXTURE_VIEW_NUM_LEVELS:
1967          if (!ctx->Extensions.ARB_texture_view)
1968             goto invalid_pname;
1969          *params = (GLfloat) obj->NumLevels;
1970          break;
1971
1972       case GL_TEXTURE_VIEW_MIN_LAYER:
1973          if (!ctx->Extensions.ARB_texture_view)
1974             goto invalid_pname;
1975          *params = (GLfloat) obj->MinLayer;
1976          break;
1977
1978       case GL_TEXTURE_VIEW_NUM_LAYERS:
1979          if (!ctx->Extensions.ARB_texture_view)
1980             goto invalid_pname;
1981          *params = (GLfloat) obj->NumLayers;
1982          break;
1983
1984       case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
1985          if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
1986             goto invalid_pname;
1987          *params = (GLfloat) obj->RequiredTextureImageUnits;
1988          break;
1989
1990       case GL_TEXTURE_SRGB_DECODE_EXT:
1991          if (!ctx->Extensions.EXT_texture_sRGB_decode)
1992             goto invalid_pname;
1993          *params = (GLfloat) obj->Sampler.sRGBDecode;
1994          break;
1995
1996       case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
1997          if (!ctx->Extensions.ARB_shader_image_load_store)
1998             goto invalid_pname;
1999          *params = (GLfloat) obj->ImageFormatCompatibilityType;
2000          break;
2001
2002       case GL_TEXTURE_TARGET:
2003          if (ctx->API != API_OPENGL_CORE)
2004             goto invalid_pname;
2005          *params = ENUM_TO_FLOAT(obj->Target);
2006          break;
2007
2008       default:
2009          goto invalid_pname;
2010    }
2011
2012    /* no error if we get here */
2013    _mesa_unlock_context_textures(ctx);
2014    return;
2015
2016 invalid_pname:
2017    _mesa_unlock_context_textures(ctx);
2018    _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameterfv(pname=0x%x)",
2019                dsa ? "ture" : "", pname);
2020 }
2021
2022
2023 static void
2024 get_tex_parameteriv(struct gl_context *ctx,
2025                     struct gl_texture_object *obj,
2026                     GLenum pname, GLint *params, bool dsa)
2027 {
2028    _mesa_lock_texture(ctx, obj);
2029    switch (pname) {
2030       case GL_TEXTURE_MAG_FILTER:
2031          *params = (GLint) obj->Sampler.MagFilter;
2032          break;
2033       case GL_TEXTURE_MIN_FILTER:
2034          *params = (GLint) obj->Sampler.MinFilter;
2035          break;
2036       case GL_TEXTURE_WRAP_S:
2037          *params = (GLint) obj->Sampler.WrapS;
2038          break;
2039       case GL_TEXTURE_WRAP_T:
2040          *params = (GLint) obj->Sampler.WrapT;
2041          break;
2042       case GL_TEXTURE_WRAP_R:
2043          *params = (GLint) obj->Sampler.WrapR;
2044          break;
2045       case GL_TEXTURE_BORDER_COLOR:
2046          if (ctx->API == API_OPENGLES ||
2047              !ctx->Extensions.ARB_texture_border_clamp)
2048             goto invalid_pname;
2049
2050          {
2051             GLfloat b[4];
2052             b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
2053             b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
2054             b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
2055             b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
2056             params[0] = FLOAT_TO_INT(b[0]);
2057             params[1] = FLOAT_TO_INT(b[1]);
2058             params[2] = FLOAT_TO_INT(b[2]);
2059             params[3] = FLOAT_TO_INT(b[3]);
2060          }
2061          break;
2062       case GL_TEXTURE_RESIDENT:
2063          if (ctx->API != API_OPENGL_COMPAT)
2064             goto invalid_pname;
2065
2066          *params = 1;
2067          break;
2068       case GL_TEXTURE_PRIORITY:
2069          if (ctx->API != API_OPENGL_COMPAT)
2070             goto invalid_pname;
2071
2072          *params = FLOAT_TO_INT(obj->Priority);
2073          break;
2074       case GL_TEXTURE_MIN_LOD:
2075          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
2076             goto invalid_pname;
2077          /* GL spec 'Data Conversions' section specifies that floating-point
2078           * value in integer Get function is rounded to nearest integer
2079           */
2080          *params = IROUND(obj->Sampler.MinLod);
2081          break;
2082       case GL_TEXTURE_MAX_LOD:
2083          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
2084             goto invalid_pname;
2085          /* GL spec 'Data Conversions' section specifies that floating-point
2086           * value in integer Get function is rounded to nearest integer
2087           */
2088          *params = IROUND(obj->Sampler.MaxLod);
2089          break;
2090       case GL_TEXTURE_BASE_LEVEL:
2091          if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
2092             goto invalid_pname;
2093
2094          *params = obj->BaseLevel;
2095          break;
2096       case GL_TEXTURE_MAX_LEVEL:
2097          *params = obj->MaxLevel;
2098          break;
2099       case GL_TEXTURE_MAX_ANISOTROPY_EXT:
2100          if (!ctx->Extensions.EXT_texture_filter_anisotropic)
2101             goto invalid_pname;
2102          /* GL spec 'Data Conversions' section specifies that floating-point
2103           * value in integer Get function is rounded to nearest integer
2104           */
2105          *params = IROUND(obj->Sampler.MaxAnisotropy);
2106          break;
2107       case GL_GENERATE_MIPMAP_SGIS:
2108          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
2109             goto invalid_pname;
2110
2111          *params = (GLint) obj->GenerateMipmap;
2112          break;
2113       case GL_TEXTURE_COMPARE_MODE_ARB:
2114          if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
2115              && !_mesa_is_gles3(ctx))
2116             goto invalid_pname;
2117          *params = (GLint) obj->Sampler.CompareMode;
2118          break;
2119       case GL_TEXTURE_COMPARE_FUNC_ARB:
2120          if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
2121              && !_mesa_is_gles3(ctx))
2122             goto invalid_pname;
2123          *params = (GLint) obj->Sampler.CompareFunc;
2124          break;
2125       case GL_DEPTH_TEXTURE_MODE_ARB:
2126          if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
2127             goto invalid_pname;
2128          *params = (GLint) obj->DepthMode;
2129          break;
2130       case GL_DEPTH_STENCIL_TEXTURE_MODE:
2131          if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
2132             goto invalid_pname;
2133          *params = (GLint)
2134             (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
2135          break;
2136       case GL_TEXTURE_LOD_BIAS:
2137          if (_mesa_is_gles(ctx))
2138             goto invalid_pname;
2139
2140          /* GL spec 'Data Conversions' section specifies that floating-point
2141           * value in integer Get function is rounded to nearest integer
2142           */
2143          *params = IROUND(obj->Sampler.LodBias);
2144          break;
2145       case GL_TEXTURE_CROP_RECT_OES:
2146          if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
2147             goto invalid_pname;
2148
2149          params[0] = obj->CropRect[0];
2150          params[1] = obj->CropRect[1];
2151          params[2] = obj->CropRect[2];
2152          params[3] = obj->CropRect[3];
2153          break;
2154       case GL_TEXTURE_SWIZZLE_R_EXT:
2155       case GL_TEXTURE_SWIZZLE_G_EXT:
2156       case GL_TEXTURE_SWIZZLE_B_EXT:
2157       case GL_TEXTURE_SWIZZLE_A_EXT:
2158          if ((!_mesa_is_desktop_gl(ctx)
2159               || !ctx->Extensions.EXT_texture_swizzle)
2160              && !_mesa_is_gles3(ctx))
2161             goto invalid_pname;
2162          *params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
2163          break;
2164
2165       case GL_TEXTURE_SWIZZLE_RGBA_EXT:
2166          if ((!_mesa_is_desktop_gl(ctx)
2167               || !ctx->Extensions.EXT_texture_swizzle)
2168              && !_mesa_is_gles3(ctx))
2169             goto invalid_pname;
2170          COPY_4V(params, obj->Swizzle);
2171          break;
2172
2173       case GL_TEXTURE_CUBE_MAP_SEAMLESS:
2174          if (!_mesa_is_desktop_gl(ctx)
2175              || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
2176             goto invalid_pname;
2177          *params = (GLint) obj->Sampler.CubeMapSeamless;
2178          break;
2179
2180       case GL_TEXTURE_IMMUTABLE_FORMAT:
2181          *params = (GLint) obj->Immutable;
2182          break;
2183
2184       case GL_TEXTURE_IMMUTABLE_LEVELS:
2185          if (_mesa_is_gles3(ctx) ||
2186              (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
2187             *params = obj->ImmutableLevels;
2188          else
2189             goto invalid_pname;
2190          break;
2191
2192       case GL_TEXTURE_VIEW_MIN_LEVEL:
2193          if (!ctx->Extensions.ARB_texture_view)
2194             goto invalid_pname;
2195          *params = (GLint) obj->MinLevel;
2196          break;
2197
2198       case GL_TEXTURE_VIEW_NUM_LEVELS:
2199          if (!ctx->Extensions.ARB_texture_view)
2200             goto invalid_pname;
2201          *params = (GLint) obj->NumLevels;
2202          break;
2203
2204       case GL_TEXTURE_VIEW_MIN_LAYER:
2205          if (!ctx->Extensions.ARB_texture_view)
2206             goto invalid_pname;
2207          *params = (GLint) obj->MinLayer;
2208          break;
2209
2210       case GL_TEXTURE_VIEW_NUM_LAYERS:
2211          if (!ctx->Extensions.ARB_texture_view)
2212             goto invalid_pname;
2213          *params = (GLint) obj->NumLayers;
2214          break;
2215
2216       case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
2217          if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
2218             goto invalid_pname;
2219          *params = obj->RequiredTextureImageUnits;
2220          break;
2221
2222       case GL_TEXTURE_SRGB_DECODE_EXT:
2223          if (!ctx->Extensions.EXT_texture_sRGB_decode)
2224             goto invalid_pname;
2225          *params = obj->Sampler.sRGBDecode;
2226          break;
2227
2228       case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
2229          if (!ctx->Extensions.ARB_shader_image_load_store)
2230             goto invalid_pname;
2231          *params = obj->ImageFormatCompatibilityType;
2232          break;
2233
2234       case GL_TEXTURE_TARGET:
2235          if (ctx->API != API_OPENGL_CORE)
2236             goto invalid_pname;
2237          *params = (GLint) obj->Target;
2238          break;
2239
2240       default:
2241          goto invalid_pname;
2242    }
2243
2244    /* no error if we get here */
2245    _mesa_unlock_texture(ctx, obj);
2246    return;
2247
2248 invalid_pname:
2249    _mesa_unlock_texture(ctx, obj);
2250    _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameteriv(pname=0x%x)",
2251                dsa ? "ture" : "", pname);
2252 }
2253
2254 static void
2255 get_tex_parameterIiv(struct gl_context *ctx,
2256                      struct gl_texture_object *obj,
2257                      GLenum pname, GLint *params, bool dsa)
2258 {
2259    switch (pname) {
2260    case GL_TEXTURE_BORDER_COLOR:
2261       COPY_4V(params, obj->Sampler.BorderColor.i);
2262       break;
2263    default:
2264       get_tex_parameteriv(ctx, obj, pname, params, dsa);
2265    }
2266 }
2267
2268 static void
2269 get_tex_parameterIuiv(struct gl_context *ctx,
2270                       struct gl_texture_object *obj,
2271                       GLenum pname, GLuint *params, bool dsa)
2272 {
2273    switch (pname) {
2274    case GL_TEXTURE_BORDER_COLOR:
2275       COPY_4V(params, obj->Sampler.BorderColor.i);
2276       break;
2277    default:
2278       {
2279          GLint ip[4];
2280          get_tex_parameteriv(ctx, obj, pname, ip, dsa);
2281          params[0] = ip[0];
2282          if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
2283              pname == GL_TEXTURE_CROP_RECT_OES) {
2284             params[1] = ip[1];
2285             params[2] = ip[2];
2286             params[3] = ip[3];
2287          }
2288       }
2289    }
2290 }
2291
2292 void GLAPIENTRY
2293 _mesa_GetTexParameterfv(GLenum target, GLenum pname, GLfloat *params)
2294 {
2295    struct gl_texture_object *obj;
2296    GET_CURRENT_CONTEXT(ctx);
2297
2298    obj = get_texobj_by_target(ctx, target, GL_TRUE);
2299    if (!obj)
2300       return;
2301
2302    get_tex_parameterfv(ctx, obj, pname, params, false);
2303 }
2304
2305 void GLAPIENTRY
2306 _mesa_GetTexParameteriv(GLenum target, GLenum pname, GLint *params)
2307 {
2308    struct gl_texture_object *obj;
2309    GET_CURRENT_CONTEXT(ctx);
2310
2311    obj = get_texobj_by_target(ctx, target, GL_TRUE);
2312    if (!obj)
2313       return;
2314
2315    get_tex_parameteriv(ctx, obj, pname, params, false);
2316 }
2317
2318 /** New in GL 3.0 */
2319 void GLAPIENTRY
2320 _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
2321 {
2322    struct gl_texture_object *texObj;
2323    GET_CURRENT_CONTEXT(ctx);
2324
2325    texObj = get_texobj_by_target(ctx, target, GL_TRUE);
2326    if (!texObj)
2327       return;
2328
2329    get_tex_parameterIiv(ctx, texObj, pname, params, false);
2330 }
2331
2332
2333 /** New in GL 3.0 */
2334 void GLAPIENTRY
2335 _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
2336 {
2337    struct gl_texture_object *texObj;
2338    GET_CURRENT_CONTEXT(ctx);
2339
2340    texObj = get_texobj_by_target(ctx, target, GL_TRUE);
2341    if (!texObj)
2342       return;
2343
2344    get_tex_parameterIuiv(ctx, texObj, pname, params, false);
2345 }
2346
2347
2348 void GLAPIENTRY
2349 _mesa_GetTextureParameterfv(GLuint texture, GLenum pname, GLfloat *params)
2350 {
2351    struct gl_texture_object *obj;
2352    GET_CURRENT_CONTEXT(ctx);
2353
2354    obj = get_texobj_by_name(ctx, texture, "glGetTextureParameterfv");
2355    if (!obj)
2356       return;
2357
2358    get_tex_parameterfv(ctx, obj, pname, params, true);
2359 }
2360
2361 void GLAPIENTRY
2362 _mesa_GetTextureParameteriv(GLuint texture, GLenum pname, GLint *params)
2363 {
2364    struct gl_texture_object *obj;
2365    GET_CURRENT_CONTEXT(ctx);
2366
2367    obj = get_texobj_by_name(ctx, texture, "glGetTextureParameteriv");
2368    if (!obj)
2369       return;
2370
2371    get_tex_parameteriv(ctx, obj, pname, params, true);
2372 }
2373
2374 void GLAPIENTRY
2375 _mesa_GetTextureParameterIiv(GLuint texture, GLenum pname, GLint *params)
2376 {
2377    struct gl_texture_object *texObj;
2378    GET_CURRENT_CONTEXT(ctx);
2379
2380    texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIiv");
2381    if (!texObj)
2382       return;
2383
2384    get_tex_parameterIiv(ctx, texObj, pname, params, true);
2385 }
2386
2387
2388 void GLAPIENTRY
2389 _mesa_GetTextureParameterIuiv(GLuint texture, GLenum pname, GLuint *params)
2390 {
2391    struct gl_texture_object *texObj;
2392    GET_CURRENT_CONTEXT(ctx);
2393
2394    texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIuiv");
2395    if (!texObj)
2396       return;
2397
2398    get_tex_parameterIuiv(ctx, texObj, pname, params, true);
2399 }