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 /** 28 * \file teximage.c 29 * Texture image-related functions. 30 */ 31 32 #include <stdbool.h> 33 #include "glheader.h" 34 #include "bufferobj.h" 35 #include "context.h" 36 #include "enums.h" 37 #include "fbobject.h" 38 #include "framebuffer.h" 39 #include "hash.h" 40 #include "image.h" 41 #include "imports.h" 42 #include "macros.h" 43 #include "mipmap.h" 44 #include "multisample.h" 45 #include "pixelstore.h" 46 #include "state.h" 47 #include "texcompress.h" 48 #include "texcompress_cpal.h" 49 #include "teximage.h" 50 #include "texobj.h" 51 #include "texstate.h" 52 #include "texstorage.h" 53 #include "textureview.h" 54 #include "mtypes.h" 55 #include "glformats.h" 56 #include "texstore.h" 57 #include "pbo.h" 58 59 60 /** 61 * State changes which we care about for glCopyTex[Sub]Image() calls. 62 * In particular, we care about pixel transfer state and buffer state 63 * (such as glReadBuffer to make sure we read from the right renderbuffer). 64 */ 65 #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL) 66 67 /** 68 * Returns a corresponding internal floating point format for a given base 69 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal 70 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it 71 * needs to be a 16 bit component. 72 * 73 * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB. 74 */ 75 static GLenum 76 adjust_for_oes_float_texture(const struct gl_context *ctx, 77 GLenum format, GLenum type) 78 { 79 switch (type) { 80 case GL_FLOAT: 81 if (ctx->Extensions.OES_texture_float) { 82 switch (format) { 83 case GL_RGBA: 84 return GL_RGBA32F; 85 case GL_RGB: 86 return GL_RGB32F; 87 case GL_ALPHA: 88 return GL_ALPHA32F_ARB; 89 case GL_LUMINANCE: 90 return GL_LUMINANCE32F_ARB; 91 case GL_LUMINANCE_ALPHA: 92 return GL_LUMINANCE_ALPHA32F_ARB; 93 default: 94 break; 95 } 96 } 97 break; 98 99 case GL_HALF_FLOAT_OES: 100 if (ctx->Extensions.OES_texture_half_float) { 101 switch (format) { 102 case GL_RGBA: 103 return GL_RGBA16F; 104 case GL_RGB: 105 return GL_RGB16F; 106 case GL_ALPHA: 107 return GL_ALPHA16F_ARB; 108 case GL_LUMINANCE: 109 return GL_LUMINANCE16F_ARB; 110 case GL_LUMINANCE_ALPHA: 111 return GL_LUMINANCE_ALPHA16F_ARB; 112 default: 113 break; 114 } 115 } 116 break; 117 118 default: 119 break; 120 } 121 122 return format; 123 } 124 125 /** 126 * Returns a corresponding base format for a given internal floating point 127 * format as specifed by OES_texture_float. 128 */ 129 static GLenum 130 oes_float_internal_format(const struct gl_context *ctx, 131 GLenum format, GLenum type) 132 { 133 switch (type) { 134 case GL_FLOAT: 135 if (ctx->Extensions.OES_texture_float) { 136 switch (format) { 137 case GL_RGBA32F: 138 return GL_RGBA; 139 case GL_RGB32F: 140 return GL_RGB; 141 case GL_ALPHA32F_ARB: 142 return GL_ALPHA; 143 case GL_LUMINANCE32F_ARB: 144 return GL_LUMINANCE; 145 case GL_LUMINANCE_ALPHA32F_ARB: 146 return GL_LUMINANCE_ALPHA; 147 default: 148 break; 149 } 150 } 151 break; 152 153 case GL_HALF_FLOAT_OES: 154 if (ctx->Extensions.OES_texture_half_float) { 155 switch (format) { 156 case GL_RGBA16F: 157 return GL_RGBA; 158 case GL_RGB16F: 159 return GL_RGB; 160 case GL_ALPHA16F_ARB: 161 return GL_ALPHA; 162 case GL_LUMINANCE16F_ARB: 163 return GL_LUMINANCE; 164 case GL_LUMINANCE_ALPHA16F_ARB: 165 return GL_LUMINANCE_ALPHA; 166 default: 167 break; 168 } 169 } 170 break; 171 } 172 return format; 173 } 174 175 176 /** 177 * Install gl_texture_image in a gl_texture_object according to the target 178 * and level parameters. 179 * 180 * \param tObj texture object. 181 * \param target texture target. 182 * \param level image level. 183 * \param texImage texture image. 184 */ 185 static void 186 set_tex_image(struct gl_texture_object *tObj, 187 GLenum target, GLint level, 188 struct gl_texture_image *texImage) 189 { 190 const GLuint face = _mesa_tex_target_to_face(target); 191 192 assert(tObj); 193 assert(texImage); 194 if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES) 195 assert(level == 0); 196 197 tObj->Image[face][level] = texImage; 198 199 /* Set the 'back' pointer */ 200 texImage->TexObject = tObj; 201 texImage->Level = level; 202 texImage->Face = face; 203 } 204 205 206 /** 207 * Free a gl_texture_image and associated data. 208 * This function is a fallback called via ctx->Driver.DeleteTextureImage(). 209 * 210 * \param texImage texture image. 211 * 212 * Free the texture image structure and the associated image data. 213 */ 214 void 215 _mesa_delete_texture_image(struct gl_context *ctx, 216 struct gl_texture_image *texImage) 217 { 218 /* Free texImage->Data and/or any other driver-specific texture 219 * image storage. 220 */ 221 assert(ctx->Driver.FreeTextureImageBuffer); 222 ctx->Driver.FreeTextureImageBuffer( ctx, texImage ); 223 free(texImage); 224 } 225 226 227 /** 228 * Test if a target is a proxy target. 229 * 230 * \param target texture target. 231 * 232 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise. 233 */ 234 GLboolean 235 _mesa_is_proxy_texture(GLenum target) 236 { 237 unsigned i; 238 static const GLenum targets[] = { 239 GL_PROXY_TEXTURE_1D, 240 GL_PROXY_TEXTURE_2D, 241 GL_PROXY_TEXTURE_3D, 242 GL_PROXY_TEXTURE_CUBE_MAP, 243 GL_PROXY_TEXTURE_RECTANGLE, 244 GL_PROXY_TEXTURE_1D_ARRAY, 245 GL_PROXY_TEXTURE_2D_ARRAY, 246 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY, 247 GL_PROXY_TEXTURE_2D_MULTISAMPLE, 248 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 249 }; 250 /* 251 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no 252 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES. 253 */ 254 STATIC_ASSERT(NUM_TEXTURE_TARGETS == ARRAY_SIZE(targets) + 2); 255 256 for (i = 0; i < ARRAY_SIZE(targets); ++i) 257 if (target == targets[i]) 258 return GL_TRUE; 259 return GL_FALSE; 260 } 261 262 263 /** 264 * Test if a target is an array target. 265 * 266 * \param target texture target. 267 * 268 * \return true if the target is an array target, false otherwise. 269 */ 270 bool 271 _mesa_is_array_texture(GLenum target) 272 { 273 switch (target) { 274 case GL_TEXTURE_1D_ARRAY: 275 case GL_TEXTURE_2D_ARRAY: 276 case GL_TEXTURE_CUBE_MAP_ARRAY: 277 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 278 return true; 279 default: 280 return false; 281 }; 282 } 283 284 /** 285 * Test if a target is a cube map. 286 * 287 * \param target texture target. 288 * 289 * \return true if the target is a cube map, false otherwise. 290 */ 291 bool 292 _mesa_is_cube_map_texture(GLenum target) 293 { 294 switch(target) { 295 case GL_TEXTURE_CUBE_MAP: 296 case GL_TEXTURE_CUBE_MAP_ARRAY: 297 return true; 298 default: 299 return false; 300 } 301 } 302 303 /** 304 * Return the proxy target which corresponds to the given texture target 305 */ 306 static GLenum 307 proxy_target(GLenum target) 308 { 309 switch (target) { 310 case GL_TEXTURE_1D: 311 case GL_PROXY_TEXTURE_1D: 312 return GL_PROXY_TEXTURE_1D; 313 case GL_TEXTURE_2D: 314 case GL_PROXY_TEXTURE_2D: 315 return GL_PROXY_TEXTURE_2D; 316 case GL_TEXTURE_3D: 317 case GL_PROXY_TEXTURE_3D: 318 return GL_PROXY_TEXTURE_3D; 319 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 320 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 321 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 322 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 323 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 324 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 325 case GL_TEXTURE_CUBE_MAP: 326 case GL_PROXY_TEXTURE_CUBE_MAP: 327 return GL_PROXY_TEXTURE_CUBE_MAP; 328 case GL_TEXTURE_RECTANGLE_NV: 329 case GL_PROXY_TEXTURE_RECTANGLE_NV: 330 return GL_PROXY_TEXTURE_RECTANGLE_NV; 331 case GL_TEXTURE_1D_ARRAY_EXT: 332 case GL_PROXY_TEXTURE_1D_ARRAY_EXT: 333 return GL_PROXY_TEXTURE_1D_ARRAY_EXT; 334 case GL_TEXTURE_2D_ARRAY_EXT: 335 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 336 return GL_PROXY_TEXTURE_2D_ARRAY_EXT; 337 case GL_TEXTURE_CUBE_MAP_ARRAY: 338 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 339 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY; 340 case GL_TEXTURE_2D_MULTISAMPLE: 341 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 342 return GL_PROXY_TEXTURE_2D_MULTISAMPLE; 343 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 344 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 345 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY; 346 default: 347 _mesa_problem(NULL, "unexpected target in proxy_target()"); 348 return 0; 349 } 350 } 351 352 353 354 355 /** 356 * Get a texture image pointer from a texture object, given a texture 357 * target and mipmap level. The target and level parameters should 358 * have already been error-checked. 359 * 360 * \param texObj texture unit. 361 * \param target texture target. 362 * \param level image level. 363 * 364 * \return pointer to the texture image structure, or NULL on failure. 365 */ 366 struct gl_texture_image * 367 _mesa_select_tex_image(const struct gl_texture_object *texObj, 368 GLenum target, GLint level) 369 { 370 const GLuint face = _mesa_tex_target_to_face(target); 371 372 assert(texObj); 373 assert(level >= 0); 374 assert(level < MAX_TEXTURE_LEVELS); 375 376 return texObj->Image[face][level]; 377 } 378 379 380 /** 381 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate 382 * it and install it. Only return NULL if passed a bad parameter or run 383 * out of memory. 384 */ 385 struct gl_texture_image * 386 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj, 387 GLenum target, GLint level) 388 { 389 struct gl_texture_image *texImage; 390 391 if (!texObj) 392 return NULL; 393 394 texImage = _mesa_select_tex_image(texObj, target, level); 395 if (!texImage) { 396 texImage = ctx->Driver.NewTextureImage(ctx); 397 if (!texImage) { 398 _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation"); 399 return NULL; 400 } 401 402 set_tex_image(texObj, target, level, texImage); 403 } 404 405 return texImage; 406 } 407 408 409 /** 410 * Return pointer to the specified proxy texture image. 411 * Note that proxy textures are per-context, not per-texture unit. 412 * \return pointer to texture image or NULL if invalid target, invalid 413 * level, or out of memory. 414 */ 415 static struct gl_texture_image * 416 get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level) 417 { 418 struct gl_texture_image *texImage; 419 GLuint texIndex; 420 421 if (level < 0) 422 return NULL; 423 424 switch (target) { 425 case GL_PROXY_TEXTURE_1D: 426 if (level >= ctx->Const.MaxTextureLevels) 427 return NULL; 428 texIndex = TEXTURE_1D_INDEX; 429 break; 430 case GL_PROXY_TEXTURE_2D: 431 if (level >= ctx->Const.MaxTextureLevels) 432 return NULL; 433 texIndex = TEXTURE_2D_INDEX; 434 break; 435 case GL_PROXY_TEXTURE_3D: 436 if (level >= ctx->Const.Max3DTextureLevels) 437 return NULL; 438 texIndex = TEXTURE_3D_INDEX; 439 break; 440 case GL_PROXY_TEXTURE_CUBE_MAP: 441 if (level >= ctx->Const.MaxCubeTextureLevels) 442 return NULL; 443 texIndex = TEXTURE_CUBE_INDEX; 444 break; 445 case GL_PROXY_TEXTURE_RECTANGLE_NV: 446 if (level > 0) 447 return NULL; 448 texIndex = TEXTURE_RECT_INDEX; 449 break; 450 case GL_PROXY_TEXTURE_1D_ARRAY_EXT: 451 if (level >= ctx->Const.MaxTextureLevels) 452 return NULL; 453 texIndex = TEXTURE_1D_ARRAY_INDEX; 454 break; 455 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 456 if (level >= ctx->Const.MaxTextureLevels) 457 return NULL; 458 texIndex = TEXTURE_2D_ARRAY_INDEX; 459 break; 460 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 461 if (level >= ctx->Const.MaxCubeTextureLevels) 462 return NULL; 463 texIndex = TEXTURE_CUBE_ARRAY_INDEX; 464 break; 465 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 466 if (level > 0) 467 return 0; 468 texIndex = TEXTURE_2D_MULTISAMPLE_INDEX; 469 break; 470 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 471 if (level > 0) 472 return 0; 473 texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX; 474 break; 475 default: 476 return NULL; 477 } 478 479 texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level]; 480 if (!texImage) { 481 texImage = ctx->Driver.NewTextureImage(ctx); 482 if (!texImage) { 483 _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); 484 return NULL; 485 } 486 ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage; 487 /* Set the 'back' pointer */ 488 texImage->TexObject = ctx->Texture.ProxyTex[texIndex]; 489 } 490 return texImage; 491 } 492 493 494 /** 495 * Get the maximum number of allowed mipmap levels. 496 * 497 * \param ctx GL context. 498 * \param target texture target. 499 * 500 * \return the maximum number of allowed mipmap levels for the given 501 * texture target, or zero if passed a bad target. 502 * 503 * \sa gl_constants. 504 */ 505 GLint 506 _mesa_max_texture_levels(struct gl_context *ctx, GLenum target) 507 { 508 switch (target) { 509 case GL_TEXTURE_1D: 510 case GL_PROXY_TEXTURE_1D: 511 case GL_TEXTURE_2D: 512 case GL_PROXY_TEXTURE_2D: 513 return ctx->Const.MaxTextureLevels; 514 case GL_TEXTURE_3D: 515 case GL_PROXY_TEXTURE_3D: 516 return ctx->Const.Max3DTextureLevels; 517 case GL_TEXTURE_CUBE_MAP: 518 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 519 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 520 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 521 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 522 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 523 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 524 case GL_PROXY_TEXTURE_CUBE_MAP: 525 return ctx->Extensions.ARB_texture_cube_map 526 ? ctx->Const.MaxCubeTextureLevels : 0; 527 case GL_TEXTURE_RECTANGLE_NV: 528 case GL_PROXY_TEXTURE_RECTANGLE_NV: 529 return ctx->Extensions.NV_texture_rectangle ? 1 : 0; 530 case GL_TEXTURE_1D_ARRAY_EXT: 531 case GL_PROXY_TEXTURE_1D_ARRAY_EXT: 532 case GL_TEXTURE_2D_ARRAY_EXT: 533 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 534 return ctx->Extensions.EXT_texture_array 535 ? ctx->Const.MaxTextureLevels : 0; 536 case GL_TEXTURE_CUBE_MAP_ARRAY: 537 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 538 return _mesa_has_texture_cube_map_array(ctx) 539 ? ctx->Const.MaxCubeTextureLevels : 0; 540 case GL_TEXTURE_BUFFER: 541 return (_mesa_has_ARB_texture_buffer_object(ctx) || 542 _mesa_has_OES_texture_buffer(ctx)) ? 1 : 0; 543 case GL_TEXTURE_2D_MULTISAMPLE: 544 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 545 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 546 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 547 return (_mesa_is_desktop_gl(ctx) || _mesa_is_gles31(ctx)) 548 && ctx->Extensions.ARB_texture_multisample 549 ? 1 : 0; 550 case GL_TEXTURE_EXTERNAL_OES: 551 /* fall-through */ 552 default: 553 return 0; /* bad target */ 554 } 555 } 556 557 558 /** 559 * Return number of dimensions per mipmap level for the given texture target. 560 */ 561 GLint 562 _mesa_get_texture_dimensions(GLenum target) 563 { 564 switch (target) { 565 case GL_TEXTURE_1D: 566 case GL_PROXY_TEXTURE_1D: 567 return 1; 568 case GL_TEXTURE_2D: 569 case GL_TEXTURE_RECTANGLE: 570 case GL_TEXTURE_CUBE_MAP: 571 case GL_PROXY_TEXTURE_2D: 572 case GL_PROXY_TEXTURE_RECTANGLE: 573 case GL_PROXY_TEXTURE_CUBE_MAP: 574 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 575 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 576 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 577 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 578 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 579 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 580 case GL_TEXTURE_1D_ARRAY: 581 case GL_PROXY_TEXTURE_1D_ARRAY: 582 case GL_TEXTURE_EXTERNAL_OES: 583 case GL_TEXTURE_2D_MULTISAMPLE: 584 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 585 return 2; 586 case GL_TEXTURE_3D: 587 case GL_PROXY_TEXTURE_3D: 588 case GL_TEXTURE_2D_ARRAY: 589 case GL_PROXY_TEXTURE_2D_ARRAY: 590 case GL_TEXTURE_CUBE_MAP_ARRAY: 591 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 592 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 593 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 594 return 3; 595 case GL_TEXTURE_BUFFER: 596 /* fall-through */ 597 default: 598 _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()", 599 target); 600 return 2; 601 } 602 } 603 604 605 /** 606 * Check if a texture target can have more than one layer. 607 */ 608 GLboolean 609 _mesa_tex_target_is_layered(GLenum target) 610 { 611 switch (target) { 612 case GL_TEXTURE_1D: 613 case GL_PROXY_TEXTURE_1D: 614 case GL_TEXTURE_2D: 615 case GL_PROXY_TEXTURE_2D: 616 case GL_TEXTURE_RECTANGLE: 617 case GL_PROXY_TEXTURE_RECTANGLE: 618 case GL_TEXTURE_2D_MULTISAMPLE: 619 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 620 case GL_TEXTURE_BUFFER: 621 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 622 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 623 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 624 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 625 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 626 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 627 case GL_TEXTURE_EXTERNAL_OES: 628 return GL_FALSE; 629 630 case GL_TEXTURE_3D: 631 case GL_PROXY_TEXTURE_3D: 632 case GL_TEXTURE_CUBE_MAP: 633 case GL_PROXY_TEXTURE_CUBE_MAP: 634 case GL_TEXTURE_1D_ARRAY: 635 case GL_PROXY_TEXTURE_1D_ARRAY: 636 case GL_TEXTURE_2D_ARRAY: 637 case GL_PROXY_TEXTURE_2D_ARRAY: 638 case GL_TEXTURE_CUBE_MAP_ARRAY: 639 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 640 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 641 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 642 return GL_TRUE; 643 644 default: 645 assert(!"Invalid texture target."); 646 return GL_FALSE; 647 } 648 } 649 650 651 /** 652 * Return the number of layers present in the given level of an array, 653 * cubemap or 3D texture. If the texture is not layered return zero. 654 */ 655 GLuint 656 _mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level) 657 { 658 assert(level >= 0 && level < MAX_TEXTURE_LEVELS); 659 660 switch (texObj->Target) { 661 case GL_TEXTURE_1D: 662 case GL_TEXTURE_2D: 663 case GL_TEXTURE_RECTANGLE: 664 case GL_TEXTURE_2D_MULTISAMPLE: 665 case GL_TEXTURE_BUFFER: 666 case GL_TEXTURE_EXTERNAL_OES: 667 return 0; 668 669 case GL_TEXTURE_CUBE_MAP: 670 return 6; 671 672 case GL_TEXTURE_1D_ARRAY: { 673 struct gl_texture_image *img = texObj->Image[0][level]; 674 return img ? img->Height : 0; 675 } 676 677 case GL_TEXTURE_3D: 678 case GL_TEXTURE_2D_ARRAY: 679 case GL_TEXTURE_CUBE_MAP_ARRAY: 680 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: { 681 struct gl_texture_image *img = texObj->Image[0][level]; 682 return img ? img->Depth : 0; 683 } 684 685 default: 686 assert(!"Invalid texture target."); 687 return 0; 688 } 689 } 690 691 692 /** 693 * Return the maximum number of mipmap levels for the given target 694 * and the dimensions. 695 * The dimensions are expected not to include the border. 696 */ 697 GLsizei 698 _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height, 699 GLsizei depth) 700 { 701 GLsizei size; 702 703 switch (target) { 704 case GL_TEXTURE_1D: 705 case GL_TEXTURE_1D_ARRAY: 706 case GL_PROXY_TEXTURE_1D: 707 case GL_PROXY_TEXTURE_1D_ARRAY: 708 size = width; 709 break; 710 case GL_TEXTURE_CUBE_MAP: 711 case GL_TEXTURE_CUBE_MAP_ARRAY: 712 case GL_PROXY_TEXTURE_CUBE_MAP: 713 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 714 size = width; 715 break; 716 case GL_TEXTURE_2D: 717 case GL_TEXTURE_2D_ARRAY: 718 case GL_PROXY_TEXTURE_2D: 719 case GL_PROXY_TEXTURE_2D_ARRAY: 720 size = MAX2(width, height); 721 break; 722 case GL_TEXTURE_3D: 723 case GL_PROXY_TEXTURE_3D: 724 size = MAX3(width, height, depth); 725 break; 726 case GL_TEXTURE_RECTANGLE: 727 case GL_TEXTURE_EXTERNAL_OES: 728 case GL_TEXTURE_2D_MULTISAMPLE: 729 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 730 case GL_PROXY_TEXTURE_RECTANGLE: 731 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 732 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 733 return 1; 734 default: 735 assert(0); 736 return 1; 737 } 738 739 return _mesa_logbase2(size) + 1; 740 } 741 742 743 #if 000 /* not used anymore */ 744 /* 745 * glTexImage[123]D can accept a NULL image pointer. In this case we 746 * create a texture image with unspecified image contents per the OpenGL 747 * spec. 748 */ 749 static GLubyte * 750 make_null_texture(GLint width, GLint height, GLint depth, GLenum format) 751 { 752 const GLint components = _mesa_components_in_format(format); 753 const GLint numPixels = width * height * depth; 754 GLubyte *data = (GLubyte *) malloc(numPixels * components * sizeof(GLubyte)); 755 756 #ifdef DEBUG 757 /* 758 * Let's see if anyone finds this. If glTexImage2D() is called with 759 * a NULL image pointer then load the texture image with something 760 * interesting instead of leaving it indeterminate. 761 */ 762 if (data) { 763 static const char message[8][32] = { 764 " X X XXXXX XXX X ", 765 " XX XX X X X X X ", 766 " X X X X X X X ", 767 " X X XXXX XXX XXXXX ", 768 " X X X X X X ", 769 " X X X X X X X ", 770 " X X XXXXX XXX X X ", 771 " " 772 }; 773 774 GLubyte *imgPtr = data; 775 GLint h, i, j, k; 776 for (h = 0; h < depth; h++) { 777 for (i = 0; i < height; i++) { 778 GLint srcRow = 7 - (i % 8); 779 for (j = 0; j < width; j++) { 780 GLint srcCol = j % 32; 781 GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70; 782 for (k = 0; k < components; k++) { 783 *imgPtr++ = texel; 784 } 785 } 786 } 787 } 788 } 789 #endif 790 791 return data; 792 } 793 #endif 794 795 796 797 /** 798 * Set the size and format-related fields of a gl_texture_image struct 799 * to zero. This is used when a proxy texture test fails. 800 */ 801 static void 802 clear_teximage_fields(struct gl_texture_image *img) 803 { 804 assert(img); 805 img->_BaseFormat = 0; 806 img->InternalFormat = 0; 807 img->Border = 0; 808 img->Width = 0; 809 img->Height = 0; 810 img->Depth = 0; 811 img->Width2 = 0; 812 img->Height2 = 0; 813 img->Depth2 = 0; 814 img->WidthLog2 = 0; 815 img->HeightLog2 = 0; 816 img->DepthLog2 = 0; 817 img->TexFormat = MESA_FORMAT_NONE; 818 img->NumSamples = 0; 819 img->FixedSampleLocations = GL_TRUE; 820 } 821 822 823 /** 824 * Initialize basic fields of the gl_texture_image struct. 825 * 826 * \param ctx GL context. 827 * \param img texture image structure to be initialized. 828 * \param width image width. 829 * \param height image height. 830 * \param depth image depth. 831 * \param border image border. 832 * \param internalFormat internal format. 833 * \param format the actual hardware format (one of MESA_FORMAT_*) 834 * \param numSamples number of samples per texel, or zero for non-MS. 835 * \param fixedSampleLocations are sample locations fixed? 836 * 837 * Fills in the fields of \p img with the given information. 838 * Note: width, height and depth include the border. 839 */ 840 void 841 _mesa_init_teximage_fields_ms(struct gl_context *ctx, 842 struct gl_texture_image *img, 843 GLsizei width, GLsizei height, GLsizei depth, 844 GLint border, GLenum internalFormat, 845 mesa_format format, 846 GLuint numSamples, GLboolean fixedSampleLocations) 847 { 848 GLenum target; 849 assert(img); 850 assert(width >= 0); 851 assert(height >= 0); 852 assert(depth >= 0); 853 854 target = img->TexObject->Target; 855 img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat ); 856 assert(img->_BaseFormat != -1); 857 img->InternalFormat = internalFormat; 858 img->Border = border; 859 img->Width = width; 860 img->Height = height; 861 img->Depth = depth; 862 863 img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */ 864 img->WidthLog2 = _mesa_logbase2(img->Width2); 865 866 switch(target) { 867 case GL_TEXTURE_1D: 868 case GL_TEXTURE_BUFFER: 869 case GL_PROXY_TEXTURE_1D: 870 if (height == 0) 871 img->Height2 = 0; 872 else 873 img->Height2 = 1; 874 img->HeightLog2 = 0; 875 if (depth == 0) 876 img->Depth2 = 0; 877 else 878 img->Depth2 = 1; 879 img->DepthLog2 = 0; 880 break; 881 case GL_TEXTURE_1D_ARRAY: 882 case GL_PROXY_TEXTURE_1D_ARRAY: 883 img->Height2 = height; /* no border */ 884 img->HeightLog2 = 0; /* not used */ 885 if (depth == 0) 886 img->Depth2 = 0; 887 else 888 img->Depth2 = 1; 889 img->DepthLog2 = 0; 890 break; 891 case GL_TEXTURE_2D: 892 case GL_TEXTURE_RECTANGLE: 893 case GL_TEXTURE_CUBE_MAP: 894 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 895 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 896 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 897 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 898 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 899 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 900 case GL_TEXTURE_EXTERNAL_OES: 901 case GL_PROXY_TEXTURE_2D: 902 case GL_PROXY_TEXTURE_RECTANGLE: 903 case GL_PROXY_TEXTURE_CUBE_MAP: 904 case GL_TEXTURE_2D_MULTISAMPLE: 905 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 906 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ 907 img->HeightLog2 = _mesa_logbase2(img->Height2); 908 if (depth == 0) 909 img->Depth2 = 0; 910 else 911 img->Depth2 = 1; 912 img->DepthLog2 = 0; 913 break; 914 case GL_TEXTURE_2D_ARRAY: 915 case GL_PROXY_TEXTURE_2D_ARRAY: 916 case GL_TEXTURE_CUBE_MAP_ARRAY: 917 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 918 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 919 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 920 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ 921 img->HeightLog2 = _mesa_logbase2(img->Height2); 922 img->Depth2 = depth; /* no border */ 923 img->DepthLog2 = 0; /* not used */ 924 break; 925 case GL_TEXTURE_3D: 926 case GL_PROXY_TEXTURE_3D: 927 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ 928 img->HeightLog2 = _mesa_logbase2(img->Height2); 929 img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */ 930 img->DepthLog2 = _mesa_logbase2(img->Depth2); 931 break; 932 default: 933 _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()", 934 target); 935 } 936 937 img->MaxNumLevels = 938 _mesa_get_tex_max_num_levels(target, 939 img->Width2, img->Height2, img->Depth2); 940 img->TexFormat = format; 941 img->NumSamples = numSamples; 942 img->FixedSampleLocations = fixedSampleLocations; 943 } 944 945 946 void 947 _mesa_init_teximage_fields(struct gl_context *ctx, 948 struct gl_texture_image *img, 949 GLsizei width, GLsizei height, GLsizei depth, 950 GLint border, GLenum internalFormat, 951 mesa_format format) 952 { 953 _mesa_init_teximage_fields_ms(ctx, img, width, height, depth, border, 954 internalFormat, format, 0, GL_TRUE); 955 } 956 957 958 /** 959 * Free and clear fields of the gl_texture_image struct. 960 * 961 * \param ctx GL context. 962 * \param texImage texture image structure to be cleared. 963 * 964 * After the call, \p texImage will have no data associated with it. Its 965 * fields are cleared so that its parent object will test incomplete. 966 */ 967 void 968 _mesa_clear_texture_image(struct gl_context *ctx, 969 struct gl_texture_image *texImage) 970 { 971 ctx->Driver.FreeTextureImageBuffer(ctx, texImage); 972 clear_teximage_fields(texImage); 973 } 974 975 976 /** 977 * Check the width, height, depth and border of a texture image are legal. 978 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage 979 * functions. 980 * The target and level parameters will have already been validated. 981 * \return GL_TRUE if size is OK, GL_FALSE otherwise. 982 */ 983 GLboolean 984 _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target, 985 GLint level, GLint width, GLint height, 986 GLint depth, GLint border) 987 { 988 GLint maxSize; 989 990 switch (target) { 991 case GL_TEXTURE_1D: 992 case GL_PROXY_TEXTURE_1D: 993 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */ 994 maxSize >>= level; /* level size */ 995 if (width < 2 * border || width > 2 * border + maxSize) 996 return GL_FALSE; 997 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 998 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 999 return GL_FALSE; 1000 } 1001 return GL_TRUE; 1002 1003 case GL_TEXTURE_2D: 1004 case GL_PROXY_TEXTURE_2D: 1005 case GL_TEXTURE_2D_MULTISAMPLE: 1006 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 1007 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); 1008 maxSize >>= level; 1009 if (width < 2 * border || width > 2 * border + maxSize) 1010 return GL_FALSE; 1011 if (height < 2 * border || height > 2 * border + maxSize) 1012 return GL_FALSE; 1013 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1014 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1015 return GL_FALSE; 1016 if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) 1017 return GL_FALSE; 1018 } 1019 return GL_TRUE; 1020 1021 case GL_TEXTURE_3D: 1022 case GL_PROXY_TEXTURE_3D: 1023 maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); 1024 maxSize >>= level; 1025 if (width < 2 * border || width > 2 * border + maxSize) 1026 return GL_FALSE; 1027 if (height < 2 * border || height > 2 * border + maxSize) 1028 return GL_FALSE; 1029 if (depth < 2 * border || depth > 2 * border + maxSize) 1030 return GL_FALSE; 1031 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1032 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1033 return GL_FALSE; 1034 if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) 1035 return GL_FALSE; 1036 if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) 1037 return GL_FALSE; 1038 } 1039 return GL_TRUE; 1040 1041 case GL_TEXTURE_RECTANGLE_NV: 1042 case GL_PROXY_TEXTURE_RECTANGLE_NV: 1043 if (level != 0) 1044 return GL_FALSE; 1045 maxSize = ctx->Const.MaxTextureRectSize; 1046 if (width < 0 || width > maxSize) 1047 return GL_FALSE; 1048 if (height < 0 || height > maxSize) 1049 return GL_FALSE; 1050 return GL_TRUE; 1051 1052 case GL_TEXTURE_CUBE_MAP: 1053 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 1054 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 1055 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 1056 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 1057 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 1058 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 1059 case GL_PROXY_TEXTURE_CUBE_MAP: 1060 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); 1061 maxSize >>= level; 1062 if (width != height) 1063 return GL_FALSE; 1064 if (width < 2 * border || width > 2 * border + maxSize) 1065 return GL_FALSE; 1066 if (height < 2 * border || height > 2 * border + maxSize) 1067 return GL_FALSE; 1068 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1069 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1070 return GL_FALSE; 1071 if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) 1072 return GL_FALSE; 1073 } 1074 return GL_TRUE; 1075 1076 case GL_TEXTURE_1D_ARRAY_EXT: 1077 case GL_PROXY_TEXTURE_1D_ARRAY_EXT: 1078 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); 1079 maxSize >>= level; 1080 if (width < 2 * border || width > 2 * border + maxSize) 1081 return GL_FALSE; 1082 if (height < 0 || height > ctx->Const.MaxArrayTextureLayers) 1083 return GL_FALSE; 1084 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1085 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1086 return GL_FALSE; 1087 } 1088 return GL_TRUE; 1089 1090 case GL_TEXTURE_2D_ARRAY_EXT: 1091 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 1092 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 1093 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 1094 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); 1095 maxSize >>= level; 1096 if (width < 2 * border || width > 2 * border + maxSize) 1097 return GL_FALSE; 1098 if (height < 2 * border || height > 2 * border + maxSize) 1099 return GL_FALSE; 1100 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers) 1101 return GL_FALSE; 1102 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1103 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1104 return GL_FALSE; 1105 if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) 1106 return GL_FALSE; 1107 } 1108 return GL_TRUE; 1109 1110 case GL_TEXTURE_CUBE_MAP_ARRAY: 1111 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 1112 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); 1113 if (width < 2 * border || width > 2 * border + maxSize) 1114 return GL_FALSE; 1115 if (height < 2 * border || height > 2 * border + maxSize) 1116 return GL_FALSE; 1117 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers || depth % 6) 1118 return GL_FALSE; 1119 if (width != height) 1120 return GL_FALSE; 1121 if (level >= ctx->Const.MaxCubeTextureLevels) 1122 return GL_FALSE; 1123 if (!ctx->Extensions.ARB_texture_non_power_of_two) { 1124 if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) 1125 return GL_FALSE; 1126 if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) 1127 return GL_FALSE; 1128 } 1129 return GL_TRUE; 1130 default: 1131 _mesa_problem(ctx, "Invalid target in _mesa_legal_texture_dimensions()"); 1132 return GL_FALSE; 1133 } 1134 } 1135 1136 static bool 1137 error_check_subtexture_negative_dimensions(struct gl_context *ctx, 1138 GLuint dims, 1139 GLsizei subWidth, 1140 GLsizei subHeight, 1141 GLsizei subDepth, 1142 const char *func) 1143 { 1144 /* Check size */ 1145 if (subWidth < 0) { 1146 _mesa_error(ctx, GL_INVALID_VALUE, "%s(width=%d)", func, subWidth); 1147 return true; 1148 } 1149 1150 if (dims > 1 && subHeight < 0) { 1151 _mesa_error(ctx, GL_INVALID_VALUE, "%s(height=%d)", func, subHeight); 1152 return true; 1153 } 1154 1155 if (dims > 2 && subDepth < 0) { 1156 _mesa_error(ctx, GL_INVALID_VALUE, "%s(depth=%d)", func, subDepth); 1157 return true; 1158 } 1159 1160 return false; 1161 } 1162 1163 /** 1164 * Do error checking of xoffset, yoffset, zoffset, width, height and depth 1165 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage. 1166 * \param destImage the destination texture image. 1167 * \return GL_TRUE if error found, GL_FALSE otherwise. 1168 */ 1169 static GLboolean 1170 error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, 1171 const struct gl_texture_image *destImage, 1172 GLint xoffset, GLint yoffset, GLint zoffset, 1173 GLsizei subWidth, GLsizei subHeight, 1174 GLsizei subDepth, const char *func) 1175 { 1176 const GLenum target = destImage->TexObject->Target; 1177 GLuint bw, bh, bd; 1178 1179 /* check xoffset and width */ 1180 if (xoffset < - (GLint) destImage->Border) { 1181 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset)", func); 1182 return GL_TRUE; 1183 } 1184 1185 if (xoffset + subWidth > (GLint) destImage->Width) { 1186 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset %d + width %d > %u)", func, 1187 xoffset, subWidth, destImage->Width); 1188 return GL_TRUE; 1189 } 1190 1191 /* check yoffset and height */ 1192 if (dims > 1) { 1193 GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border; 1194 if (yoffset < -yBorder) { 1195 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset)", func); 1196 return GL_TRUE; 1197 } 1198 if (yoffset + subHeight > (GLint) destImage->Height) { 1199 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset %d + height %d > %u)", 1200 func, yoffset, subHeight, destImage->Height); 1201 return GL_TRUE; 1202 } 1203 } 1204 1205 /* check zoffset and depth */ 1206 if (dims > 2) { 1207 GLint depth; 1208 GLint zBorder = (target == GL_TEXTURE_2D_ARRAY || 1209 target == GL_TEXTURE_CUBE_MAP_ARRAY) ? 1210 0 : destImage->Border; 1211 1212 if (zoffset < -zBorder) { 1213 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset)", func); 1214 return GL_TRUE; 1215 } 1216 1217 depth = (GLint) destImage->Depth; 1218 if (target == GL_TEXTURE_CUBE_MAP) 1219 depth = 6; 1220 if (zoffset + subDepth > depth) { 1221 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset %d + depth %d > %u)", 1222 func, zoffset, subDepth, depth); 1223 return GL_TRUE; 1224 } 1225 } 1226 1227 /* 1228 * The OpenGL spec (and GL_ARB_texture_compression) says only whole 1229 * compressed texture images can be updated. But, that restriction may be 1230 * relaxed for particular compressed formats. At this time, all the 1231 * compressed formats supported by Mesa allow sub-textures to be updated 1232 * along compressed block boundaries. 1233 */ 1234 _mesa_get_format_block_size_3d(destImage->TexFormat, &bw, &bh, &bd); 1235 1236 if (bw != 1 || bh != 1 || bd != 1) { 1237 /* offset must be multiple of block size */ 1238 if ((xoffset % bw != 0) || (yoffset % bh != 0) || (zoffset % bd != 0)) { 1239 _mesa_error(ctx, GL_INVALID_OPERATION, 1240 "%s(xoffset = %d, yoffset = %d, zoffset = %d)", 1241 func, xoffset, yoffset, zoffset); 1242 return GL_TRUE; 1243 } 1244 1245 /* The size must be a multiple of bw x bh, or we must be using a 1246 * offset+size that exactly hits the edge of the image. This 1247 * is important for small mipmap levels (1x1, 2x1, etc) and for 1248 * NPOT textures. 1249 */ 1250 if ((subWidth % bw != 0) && 1251 (xoffset + subWidth != (GLint) destImage->Width)) { 1252 _mesa_error(ctx, GL_INVALID_OPERATION, 1253 "%s(width = %d)", func, subWidth); 1254 return GL_TRUE; 1255 } 1256 1257 if ((subHeight % bh != 0) && 1258 (yoffset + subHeight != (GLint) destImage->Height)) { 1259 _mesa_error(ctx, GL_INVALID_OPERATION, 1260 "%s(height = %d)", func, subHeight); 1261 return GL_TRUE; 1262 } 1263 1264 if ((subDepth % bd != 0) && 1265 (zoffset + subDepth != (GLint) destImage->Depth)) { 1266 _mesa_error(ctx, GL_INVALID_OPERATION, 1267 "%s(depth = %d)", func, subDepth); 1268 return GL_TRUE; 1269 } 1270 } 1271 1272 return GL_FALSE; 1273 } 1274 1275 1276 1277 1278 /** 1279 * This is the fallback for Driver.TestProxyTexImage() for doing device- 1280 * specific texture image size checks. 1281 * 1282 * A hardware driver might override this function if, for example, the 1283 * max 3D texture size is 512x512x64 (i.e. not a cube). 1284 * 1285 * Note that width, height, depth == 0 is not an error. However, a 1286 * texture with zero width/height/depth will be considered "incomplete" 1287 * and texturing will effectively be disabled. 1288 * 1289 * \param target any texture target/type 1290 * \param numLevels number of mipmap levels in the texture or 0 if not known 1291 * \param level as passed to glTexImage 1292 * \param format the MESA_FORMAT_x for the tex image 1293 * \param numSamples number of samples per texel 1294 * \param width as passed to glTexImage 1295 * \param height as passed to glTexImage 1296 * \param depth as passed to glTexImage 1297 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable. 1298 */ 1299 GLboolean 1300 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, 1301 GLuint numLevels, GLint level, 1302 mesa_format format, GLuint numSamples, 1303 GLint width, GLint height, GLint depth) 1304 { 1305 uint64_t bytes, mbytes; 1306 1307 if (numLevels > 0) { 1308 /* Compute total memory for a whole mipmap. This is the path 1309 * taken for glTexStorage(GL_PROXY_TEXTURE_x). 1310 */ 1311 unsigned l; 1312 1313 assert(level == 0); 1314 1315 bytes = 0; 1316 1317 for (l = 0; l < numLevels; l++) { 1318 GLint nextWidth, nextHeight, nextDepth; 1319 1320 bytes += _mesa_format_image_size64(format, width, height, depth); 1321 1322 if (_mesa_next_mipmap_level_size(target, 0, width, height, depth, 1323 &nextWidth, &nextHeight, 1324 &nextDepth)) { 1325 width = nextWidth; 1326 height = nextHeight; 1327 depth = nextDepth; 1328 } else { 1329 break; 1330 } 1331 } 1332 } else { 1333 /* We just compute the size of one mipmap level. This is the path 1334 * taken for glTexImage(GL_PROXY_TEXTURE_x). 1335 */ 1336 bytes = _mesa_format_image_size64(format, width, height, depth); 1337 } 1338 1339 bytes *= _mesa_num_tex_faces(target); 1340 bytes *= MAX2(1, numSamples); 1341 1342 mbytes = bytes / (1024 * 1024); /* convert to MB */ 1343 1344 /* We just check if the image size is less than MaxTextureMbytes. 1345 * Some drivers may do more specific checks. 1346 */ 1347 return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes; 1348 } 1349 1350 1351 /** 1352 * Return true if the format is only valid for glCompressedTexImage. 1353 */ 1354 static bool 1355 compressedteximage_only_format(const struct gl_context *ctx, GLenum format) 1356 { 1357 switch (format) { 1358 case GL_PALETTE4_RGB8_OES: 1359 case GL_PALETTE4_RGBA8_OES: 1360 case GL_PALETTE4_R5_G6_B5_OES: 1361 case GL_PALETTE4_RGBA4_OES: 1362 case GL_PALETTE4_RGB5_A1_OES: 1363 case GL_PALETTE8_RGB8_OES: 1364 case GL_PALETTE8_RGBA8_OES: 1365 case GL_PALETTE8_R5_G6_B5_OES: 1366 case GL_PALETTE8_RGBA4_OES: 1367 case GL_PALETTE8_RGB5_A1_OES: 1368 return true; 1369 default: 1370 return false; 1371 } 1372 } 1373 1374 /** 1375 * Return true if the format doesn't support online compression. 1376 */ 1377 bool 1378 _mesa_format_no_online_compression(const struct gl_context *ctx, GLenum format) 1379 { 1380 return _mesa_is_astc_format(format) || 1381 _mesa_is_etc2_format(format) || 1382 compressedteximage_only_format(ctx, format); 1383 } 1384 1385 /* Writes to an GL error pointer if non-null and returns whether or not the 1386 * error is GL_NO_ERROR */ 1387 static bool 1388 write_error(GLenum *err_ptr, GLenum error) 1389 { 1390 if (err_ptr) 1391 *err_ptr = error; 1392 1393 return error == GL_NO_ERROR; 1394 } 1395 1396 /** 1397 * Helper function to determine whether a target and specific compression 1398 * format are supported. The error parameter returns GL_NO_ERROR if the 1399 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION 1400 * or GL_INVALID_ENUM, whichever is more appropriate. 1401 */ 1402 GLboolean 1403 _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target, 1404 GLenum intFormat, GLenum *error) 1405 { 1406 GLboolean target_can_be_compresed = GL_FALSE; 1407 mesa_format format = _mesa_glenum_to_compressed_format(intFormat); 1408 enum mesa_format_layout layout = _mesa_get_format_layout(format); 1409 1410 switch (target) { 1411 case GL_TEXTURE_2D: 1412 case GL_PROXY_TEXTURE_2D: 1413 target_can_be_compresed = GL_TRUE; /* true for any compressed format so far */ 1414 break; 1415 case GL_PROXY_TEXTURE_CUBE_MAP: 1416 case GL_TEXTURE_CUBE_MAP: 1417 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 1418 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 1419 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 1420 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 1421 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 1422 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 1423 target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map; 1424 break; 1425 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 1426 case GL_TEXTURE_2D_ARRAY_EXT: 1427 target_can_be_compresed = ctx->Extensions.EXT_texture_array; 1428 break; 1429 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 1430 case GL_TEXTURE_CUBE_MAP_ARRAY: 1431 /* From the KHR_texture_compression_astc_hdr spec: 1432 * 1433 * Add a second new column "3D Tex." which is empty for all non-ASTC 1434 * formats. If only the LDR profile is supported by the 1435 * implementation, this column is also empty for all ASTC formats. If 1436 * both the LDR and HDR profiles are supported only, this column is 1437 * checked for all ASTC formats. 1438 * 1439 * Add a third new column "Cube Map Array Tex." which is empty for all 1440 * non-ASTC formats, and checked for all ASTC formats. 1441 * 1442 * and, 1443 * 1444 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D 1445 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the 1446 * "Cube Map Array" column of table 8.19 is *not* checked, or if 1447 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table 1448 * 8.19 is *not* checked' 1449 * 1450 * The instances of <internalformat> above should say <target>. 1451 * 1452 * ETC2/EAC formats are the only alternative in GLES and thus such errors 1453 * have already been handled by normal ETC2/EAC behavior. 1454 */ 1455 1456 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec: 1457 * 1458 * "The ETC2/EAC texture compression algorithm supports only 1459 * two-dimensional images. If internalformat is an ETC2/EAC format, 1460 * glCompressedTexImage3D will generate an INVALID_OPERATION error if 1461 * target is not TEXTURE_2D_ARRAY." 1462 * 1463 * This should also be applicable for glTexStorage3D(). Other available 1464 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY. 1465 * 1466 * Section 8.7, page 179 of OpenGL ES 3.2 adds: 1467 * 1468 * An INVALID_OPERATION error is generated by CompressedTexImage3D 1469 * if internalformat is one of the the formats in table 8.17 and target is 1470 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D. 1471 * 1472 * An INVALID_OPERATION error is generated by CompressedTexImage3D 1473 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the Cube Map 1474 * Array column of table 8.17 is not checked, or if internalformat 1475 * is TEXTURE_- 3D and the 3D Tex. column of table 8.17 is not 1476 * checked. 1477 * 1478 * The instances of <internalformat> above should say <target>. 1479 * 1480 * Such table 8.17 has checked "Cube Map Array" column for all the 1481 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2 1482 */ 1483 if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx) && 1484 !_mesa_is_gles32(ctx)) 1485 return write_error(error, GL_INVALID_OPERATION); 1486 target_can_be_compresed = _mesa_has_texture_cube_map_array(ctx); 1487 break; 1488 case GL_TEXTURE_3D: 1489 switch (layout) { 1490 case MESA_FORMAT_LAYOUT_ETC2: 1491 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */ 1492 if (_mesa_is_gles3(ctx)) 1493 return write_error(error, GL_INVALID_OPERATION); 1494 break; 1495 case MESA_FORMAT_LAYOUT_BPTC: 1496 target_can_be_compresed = ctx->Extensions.ARB_texture_compression_bptc; 1497 break; 1498 case MESA_FORMAT_LAYOUT_ASTC: 1499 target_can_be_compresed = 1500 ctx->Extensions.KHR_texture_compression_astc_hdr || 1501 ctx->Extensions.KHR_texture_compression_astc_sliced_3d; 1502 1503 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and 1504 * neither of the above extensions are supported. See comment in 1505 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info. 1506 */ 1507 if (!target_can_be_compresed) 1508 return write_error(error, GL_INVALID_OPERATION); 1509 break; 1510 default: 1511 break; 1512 } 1513 default: 1514 break; 1515 } 1516 return write_error(error, 1517 target_can_be_compresed ? GL_NO_ERROR : GL_INVALID_ENUM); 1518 } 1519 1520 1521 /** 1522 * Check if the given texture target value is legal for a 1523 * glTexImage1/2/3D call. 1524 */ 1525 static GLboolean 1526 legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target) 1527 { 1528 switch (dims) { 1529 case 1: 1530 switch (target) { 1531 case GL_TEXTURE_1D: 1532 case GL_PROXY_TEXTURE_1D: 1533 return _mesa_is_desktop_gl(ctx); 1534 default: 1535 return GL_FALSE; 1536 } 1537 case 2: 1538 switch (target) { 1539 case GL_TEXTURE_2D: 1540 return GL_TRUE; 1541 case GL_PROXY_TEXTURE_2D: 1542 return _mesa_is_desktop_gl(ctx); 1543 case GL_PROXY_TEXTURE_CUBE_MAP: 1544 return _mesa_is_desktop_gl(ctx) 1545 && ctx->Extensions.ARB_texture_cube_map; 1546 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 1547 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 1548 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 1549 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 1550 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 1551 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 1552 return ctx->Extensions.ARB_texture_cube_map; 1553 case GL_TEXTURE_RECTANGLE_NV: 1554 case GL_PROXY_TEXTURE_RECTANGLE_NV: 1555 return _mesa_is_desktop_gl(ctx) 1556 && ctx->Extensions.NV_texture_rectangle; 1557 case GL_TEXTURE_1D_ARRAY_EXT: 1558 case GL_PROXY_TEXTURE_1D_ARRAY_EXT: 1559 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; 1560 default: 1561 return GL_FALSE; 1562 } 1563 case 3: 1564 switch (target) { 1565 case GL_TEXTURE_3D: 1566 return GL_TRUE; 1567 case GL_PROXY_TEXTURE_3D: 1568 return _mesa_is_desktop_gl(ctx); 1569 case GL_TEXTURE_2D_ARRAY_EXT: 1570 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) 1571 || _mesa_is_gles3(ctx); 1572 case GL_PROXY_TEXTURE_2D_ARRAY_EXT: 1573 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; 1574 case GL_TEXTURE_CUBE_MAP_ARRAY: 1575 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 1576 return _mesa_has_texture_cube_map_array(ctx); 1577 default: 1578 return GL_FALSE; 1579 } 1580 default: 1581 _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims); 1582 return GL_FALSE; 1583 } 1584 } 1585 1586 1587 /** 1588 * Check if the given texture target value is legal for a 1589 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call. 1590 * The difference compared to legal_teximage_target() above is that 1591 * proxy targets are not supported. 1592 */ 1593 static GLboolean 1594 legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target, 1595 bool dsa) 1596 { 1597 switch (dims) { 1598 case 1: 1599 return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D; 1600 case 2: 1601 switch (target) { 1602 case GL_TEXTURE_2D: 1603 return GL_TRUE; 1604 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 1605 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 1606 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 1607 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 1608 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 1609 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 1610 return ctx->Extensions.ARB_texture_cube_map; 1611 case GL_TEXTURE_RECTANGLE_NV: 1612 return _mesa_is_desktop_gl(ctx) 1613 && ctx->Extensions.NV_texture_rectangle; 1614 case GL_TEXTURE_1D_ARRAY_EXT: 1615 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; 1616 default: 1617 return GL_FALSE; 1618 } 1619 case 3: 1620 switch (target) { 1621 case GL_TEXTURE_3D: 1622 return GL_TRUE; 1623 case GL_TEXTURE_2D_ARRAY_EXT: 1624 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) 1625 || _mesa_is_gles3(ctx); 1626 case GL_TEXTURE_CUBE_MAP_ARRAY: 1627 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 1628 return _mesa_has_texture_cube_map_array(ctx); 1629 1630 /* Table 8.15 of the OpenGL 4.5 core profile spec 1631 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D 1632 * and CopyTextureSubImage3D. 1633 */ 1634 case GL_TEXTURE_CUBE_MAP: 1635 return dsa; 1636 default: 1637 return GL_FALSE; 1638 } 1639 default: 1640 _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()", 1641 dims); 1642 return GL_FALSE; 1643 } 1644 } 1645 1646 1647 /** 1648 * Helper function to determine if a texture object is mutable (in terms 1649 * of GL_ARB_texture_storage/GL_ARB_bindless_texture). 1650 */ 1651 static GLboolean 1652 mutable_tex_object(struct gl_context *ctx, GLenum target) 1653 { 1654 struct gl_texture_object *texObj = _mesa_get_current_tex_object(ctx, target); 1655 if (!texObj) 1656 return GL_FALSE; 1657 1658 if (texObj->HandleAllocated) { 1659 /* The ARB_bindless_texture spec says: 1660 * 1661 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*, 1662 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other 1663 * functions defined in terms of these, if the texture object to be 1664 * modified is referenced by one or more texture or image handles." 1665 */ 1666 return GL_FALSE; 1667 } 1668 1669 return !texObj->Immutable; 1670 } 1671 1672 1673 /** 1674 * Return expected size of a compressed texture. 1675 */ 1676 static GLuint 1677 compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, 1678 GLenum glformat) 1679 { 1680 mesa_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); 1681 return _mesa_format_image_size(mesaFormat, width, height, depth); 1682 } 1683 1684 /** 1685 * Verify that a texture format is valid with a particular target 1686 * 1687 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or 1688 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture 1689 * targets. 1690 * 1691 * \param ctx GL context 1692 * \param target Texture target 1693 * \param internalFormat Internal format of the texture image 1694 * 1695 * \returns true if the combination is legal, false otherwise. 1696 */ 1697 bool 1698 _mesa_legal_texture_base_format_for_target(struct gl_context *ctx, 1699 GLenum target, GLenum internalFormat) 1700 { 1701 if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT 1702 || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL 1703 || _mesa_base_tex_format(ctx, internalFormat) == GL_STENCIL_INDEX) { 1704 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core 1705 * Profile spec says: 1706 * 1707 * "Textures with a base internal format of DEPTH_COMPONENT or 1708 * DEPTH_STENCIL are supported by texture image specification 1709 * commands only if target is TEXTURE_1D, TEXTURE_2D, 1710 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE, 1711 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D, 1712 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY, 1713 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these 1714 * formats in conjunction with any other target will result in an 1715 * INVALID_OPERATION error." 1716 * 1717 * Cubemaps are only supported with desktop OpenGL version >= 3.0, 1718 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map. 1719 */ 1720 if (target != GL_TEXTURE_1D && 1721 target != GL_PROXY_TEXTURE_1D && 1722 target != GL_TEXTURE_2D && 1723 target != GL_PROXY_TEXTURE_2D && 1724 target != GL_TEXTURE_1D_ARRAY && 1725 target != GL_PROXY_TEXTURE_1D_ARRAY && 1726 target != GL_TEXTURE_2D_ARRAY && 1727 target != GL_PROXY_TEXTURE_2D_ARRAY && 1728 target != GL_TEXTURE_RECTANGLE_ARB && 1729 target != GL_PROXY_TEXTURE_RECTANGLE_ARB && 1730 !((_mesa_is_cube_face(target) || 1731 target == GL_TEXTURE_CUBE_MAP || 1732 target == GL_PROXY_TEXTURE_CUBE_MAP) && 1733 (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4 1734 || (ctx->API == API_OPENGLES2 && ctx->Extensions.OES_depth_texture_cube_map))) && 1735 !((target == GL_TEXTURE_CUBE_MAP_ARRAY || 1736 target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY) && 1737 _mesa_has_texture_cube_map_array(ctx))) { 1738 return false; 1739 } 1740 } 1741 1742 return true; 1743 } 1744 1745 static bool 1746 texture_formats_agree(GLenum internalFormat, 1747 GLenum format) 1748 { 1749 GLboolean colorFormat; 1750 GLboolean is_format_depth_or_depthstencil; 1751 GLboolean is_internalFormat_depth_or_depthstencil; 1752 1753 /* Even though there are no color-index textures, we still have to support 1754 * uploading color-index data and remapping it to RGB via the 1755 * GL_PIXEL_MAP_I_TO_[RGBA] tables. 1756 */ 1757 const GLboolean indexFormat = (format == GL_COLOR_INDEX); 1758 1759 is_internalFormat_depth_or_depthstencil = 1760 _mesa_is_depth_format(internalFormat) || 1761 _mesa_is_depthstencil_format(internalFormat); 1762 1763 is_format_depth_or_depthstencil = 1764 _mesa_is_depth_format(format) || 1765 _mesa_is_depthstencil_format(format); 1766 1767 colorFormat = _mesa_is_color_format(format); 1768 1769 if (_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) 1770 return false; 1771 1772 if (is_internalFormat_depth_or_depthstencil != 1773 is_format_depth_or_depthstencil) 1774 return false; 1775 1776 if (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) 1777 return false; 1778 1779 return true; 1780 } 1781 1782 /** 1783 * Test the combination of format, type and internal format arguments of 1784 * different texture operations on GLES. 1785 * 1786 * \param ctx GL context. 1787 * \param format pixel data format given by the user. 1788 * \param type pixel data type given by the user. 1789 * \param internalFormat internal format given by the user. 1790 * \param dimensions texture image dimensions (must be 1, 2 or 3). 1791 * \param callerName name of the caller function to print in the error message 1792 * 1793 * \return true if a error is found, false otherwise 1794 * 1795 * Currently, it is used by texture_error_check() and texsubimage_error_check(). 1796 */ 1797 static bool 1798 texture_format_error_check_gles(struct gl_context *ctx, GLenum format, 1799 GLenum type, GLenum internalFormat, 1800 GLuint dimensions, const char *callerName) 1801 { 1802 GLenum err = _mesa_es3_error_check_format_and_type(ctx, format, type, 1803 internalFormat); 1804 if (err != GL_NO_ERROR) { 1805 _mesa_error(ctx, err, 1806 "%s(format = %s, type = %s, internalformat = %s)", 1807 callerName, _mesa_enum_to_string(format), 1808 _mesa_enum_to_string(type), 1809 _mesa_enum_to_string(internalFormat)); 1810 return true; 1811 } 1812 1813 return false; 1814 } 1815 1816 /** 1817 * Test the glTexImage[123]D() parameters for errors. 1818 * 1819 * \param ctx GL context. 1820 * \param dimensions texture image dimensions (must be 1, 2 or 3). 1821 * \param target texture target given by the user (already validated). 1822 * \param level image level given by the user. 1823 * \param internalFormat internal format given by the user. 1824 * \param format pixel data format given by the user. 1825 * \param type pixel data type given by the user. 1826 * \param width image width given by the user. 1827 * \param height image height given by the user. 1828 * \param depth image depth given by the user. 1829 * \param border image border given by the user. 1830 * 1831 * \return GL_TRUE if a error is found, GL_FALSE otherwise 1832 * 1833 * Verifies each of the parameters against the constants specified in 1834 * __struct gl_contextRec::Const and the supported extensions, and according 1835 * to the OpenGL specification. 1836 * Note that we don't fully error-check the width, height, depth values 1837 * here. That's done in _mesa_legal_texture_dimensions() which is used 1838 * by several other GL entrypoints. Plus, texture dims have a special 1839 * interaction with proxy textures. 1840 */ 1841 static GLboolean 1842 texture_error_check( struct gl_context *ctx, 1843 GLuint dimensions, GLenum target, 1844 GLint level, GLint internalFormat, 1845 GLenum format, GLenum type, 1846 GLint width, GLint height, 1847 GLint depth, GLint border, 1848 const GLvoid *pixels ) 1849 { 1850 GLenum err; 1851 1852 /* Note: for proxy textures, some error conditions immediately generate 1853 * a GL error in the usual way. But others do not generate a GL error. 1854 * Instead, they cause the width, height, depth, format fields of the 1855 * texture image to be zeroed-out. The GL spec seems to indicate that the 1856 * zero-out behaviour is only used in cases related to memory allocation. 1857 */ 1858 1859 /* level check */ 1860 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { 1861 _mesa_error(ctx, GL_INVALID_VALUE, 1862 "glTexImage%dD(level=%d)", dimensions, level); 1863 return GL_TRUE; 1864 } 1865 1866 /* Check border */ 1867 if (border < 0 || border > 1 || 1868 ((ctx->API != API_OPENGL_COMPAT || 1869 target == GL_TEXTURE_RECTANGLE_NV || 1870 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { 1871 _mesa_error(ctx, GL_INVALID_VALUE, 1872 "glTexImage%dD(border=%d)", dimensions, border); 1873 return GL_TRUE; 1874 } 1875 1876 if (width < 0 || height < 0 || depth < 0) { 1877 _mesa_error(ctx, GL_INVALID_VALUE, 1878 "glTexImage%dD(width, height or depth < 0)", dimensions); 1879 return GL_TRUE; 1880 } 1881 1882 /* Check incoming image format and type */ 1883 err = _mesa_error_check_format_and_type(ctx, format, type); 1884 if (err != GL_NO_ERROR) { 1885 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of 1886 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec: 1887 * 1888 * "Specifying a value for internalformat that is not one of the 1889 * above (acceptable) values generates the error INVALID VALUE." 1890 */ 1891 if (err == GL_INVALID_ENUM && _mesa_is_gles(ctx) && ctx->Version < 20) 1892 err = GL_INVALID_VALUE; 1893 1894 _mesa_error(ctx, err, 1895 "glTexImage%dD(incompatible format = %s, type = %s)", 1896 dimensions, _mesa_enum_to_string(format), 1897 _mesa_enum_to_string(type)); 1898 return GL_TRUE; 1899 } 1900 1901 /* Check internalFormat */ 1902 if (_mesa_base_tex_format(ctx, internalFormat) < 0) { 1903 _mesa_error(ctx, GL_INVALID_VALUE, 1904 "glTexImage%dD(internalFormat=%s)", 1905 dimensions, _mesa_enum_to_string(internalFormat)); 1906 return GL_TRUE; 1907 } 1908 1909 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the 1910 * combinations of format, internalFormat, and type that can be used. 1911 * Formats and types that require additional extensions (e.g., GL_FLOAT 1912 * requires GL_OES_texture_float) are filtered elsewhere. 1913 */ 1914 if (_mesa_is_gles(ctx) && 1915 texture_format_error_check_gles(ctx, format, type, internalFormat, 1916 dimensions, "glTexImage%dD")) { 1917 return GL_TRUE; 1918 } 1919 1920 /* validate the bound PBO, if any */ 1921 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, 1922 width, height, depth, format, type, 1923 INT_MAX, pixels, "glTexImage")) { 1924 return GL_TRUE; 1925 } 1926 1927 /* make sure internal format and format basically agree */ 1928 if (!texture_formats_agree(internalFormat, format)) { 1929 _mesa_error(ctx, GL_INVALID_OPERATION, 1930 "glTexImage%dD(incompatible internalFormat = %s, format = %s)", 1931 dimensions, _mesa_enum_to_string(internalFormat), 1932 _mesa_enum_to_string(format)); 1933 return GL_TRUE; 1934 } 1935 1936 /* additional checks for ycbcr textures */ 1937 if (internalFormat == GL_YCBCR_MESA) { 1938 assert(ctx->Extensions.MESA_ycbcr_texture); 1939 if (type != GL_UNSIGNED_SHORT_8_8_MESA && 1940 type != GL_UNSIGNED_SHORT_8_8_REV_MESA) { 1941 char message[100]; 1942 _mesa_snprintf(message, sizeof(message), 1943 "glTexImage%dD(format/type YCBCR mismatch)", 1944 dimensions); 1945 _mesa_error(ctx, GL_INVALID_ENUM, "%s", message); 1946 return GL_TRUE; /* error */ 1947 } 1948 if (target != GL_TEXTURE_2D && 1949 target != GL_PROXY_TEXTURE_2D && 1950 target != GL_TEXTURE_RECTANGLE_NV && 1951 target != GL_PROXY_TEXTURE_RECTANGLE_NV) { 1952 _mesa_error(ctx, GL_INVALID_ENUM, 1953 "glTexImage%dD(bad target for YCbCr texture)", 1954 dimensions); 1955 return GL_TRUE; 1956 } 1957 if (border != 0) { 1958 char message[100]; 1959 _mesa_snprintf(message, sizeof(message), 1960 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)", 1961 dimensions, border); 1962 _mesa_error(ctx, GL_INVALID_VALUE, "%s", message); 1963 return GL_TRUE; 1964 } 1965 } 1966 1967 /* additional checks for depth textures */ 1968 if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalFormat)) { 1969 _mesa_error(ctx, GL_INVALID_OPERATION, 1970 "glTexImage%dD(bad target for texture)", dimensions); 1971 return GL_TRUE; 1972 } 1973 1974 /* additional checks for compressed textures */ 1975 if (_mesa_is_compressed_format(ctx, internalFormat)) { 1976 GLenum err; 1977 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) { 1978 _mesa_error(ctx, err, 1979 "glTexImage%dD(target can't be compressed)", dimensions); 1980 return GL_TRUE; 1981 } 1982 if (_mesa_format_no_online_compression(ctx, internalFormat)) { 1983 _mesa_error(ctx, GL_INVALID_OPERATION, 1984 "glTexImage%dD(no compression for format)", dimensions); 1985 return GL_TRUE; 1986 } 1987 if (border != 0) { 1988 _mesa_error(ctx, GL_INVALID_OPERATION, 1989 "glTexImage%dD(border!=0)", dimensions); 1990 return GL_TRUE; 1991 } 1992 } 1993 1994 /* additional checks for integer textures */ 1995 if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) && 1996 (_mesa_is_enum_format_integer(format) != 1997 _mesa_is_enum_format_integer(internalFormat))) { 1998 _mesa_error(ctx, GL_INVALID_OPERATION, 1999 "glTexImage%dD(integer/non-integer format mismatch)", 2000 dimensions); 2001 return GL_TRUE; 2002 } 2003 2004 if (!mutable_tex_object(ctx, target)) { 2005 _mesa_error(ctx, GL_INVALID_OPERATION, 2006 "glTexImage%dD(immutable texture)", dimensions); 2007 return GL_TRUE; 2008 } 2009 2010 /* if we get here, the parameters are OK */ 2011 return GL_FALSE; 2012 } 2013 2014 2015 /** 2016 * Error checking for glCompressedTexImage[123]D(). 2017 * Note that the width, height and depth values are not fully error checked 2018 * here. 2019 * \return GL_TRUE if a error is found, GL_FALSE otherwise 2020 */ 2021 static GLenum 2022 compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, 2023 GLenum target, GLint level, 2024 GLenum internalFormat, GLsizei width, 2025 GLsizei height, GLsizei depth, GLint border, 2026 GLsizei imageSize, const GLvoid *data) 2027 { 2028 const GLint maxLevels = _mesa_max_texture_levels(ctx, target); 2029 GLint expectedSize; 2030 GLenum error = GL_NO_ERROR; 2031 char *reason = ""; /* no error */ 2032 2033 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &error)) { 2034 reason = "target"; 2035 goto error; 2036 } 2037 2038 /* This will detect any invalid internalFormat value */ 2039 if (!_mesa_is_compressed_format(ctx, internalFormat)) { 2040 _mesa_error(ctx, GL_INVALID_ENUM, 2041 "glCompressedTexImage%dD(internalFormat=%s)", 2042 dimensions, _mesa_enum_to_string(internalFormat)); 2043 return GL_TRUE; 2044 } 2045 2046 /* validate the bound PBO, if any */ 2047 if (!_mesa_validate_pbo_source_compressed(ctx, dimensions, &ctx->Unpack, 2048 imageSize, data, 2049 "glCompressedTexImage")) { 2050 return GL_TRUE; 2051 } 2052 2053 switch (internalFormat) { 2054 case GL_PALETTE4_RGB8_OES: 2055 case GL_PALETTE4_RGBA8_OES: 2056 case GL_PALETTE4_R5_G6_B5_OES: 2057 case GL_PALETTE4_RGBA4_OES: 2058 case GL_PALETTE4_RGB5_A1_OES: 2059 case GL_PALETTE8_RGB8_OES: 2060 case GL_PALETTE8_RGBA8_OES: 2061 case GL_PALETTE8_R5_G6_B5_OES: 2062 case GL_PALETTE8_RGBA4_OES: 2063 case GL_PALETTE8_RGB5_A1_OES: 2064 /* check level (note that level should be zero or less!) */ 2065 if (level > 0 || level < -maxLevels) { 2066 reason = "level"; 2067 error = GL_INVALID_VALUE; 2068 goto error; 2069 } 2070 2071 if (dimensions != 2) { 2072 reason = "compressed paletted textures must be 2D"; 2073 error = GL_INVALID_OPERATION; 2074 goto error; 2075 } 2076 2077 /* Figure out the expected texture size (in bytes). This will be 2078 * checked against the actual size later. 2079 */ 2080 expectedSize = _mesa_cpal_compressed_size(level, internalFormat, 2081 width, height); 2082 2083 /* This is for the benefit of the TestProxyTexImage below. It expects 2084 * level to be non-negative. OES_compressed_paletted_texture uses a 2085 * weird mechanism where the level specified to glCompressedTexImage2D 2086 * is -(n-1) number of levels in the texture, and the data specifies the 2087 * complete mipmap stack. This is done to ensure the palette is the 2088 * same for all levels. 2089 */ 2090 level = -level; 2091 break; 2092 2093 default: 2094 /* check level */ 2095 if (level < 0 || level >= maxLevels) { 2096 reason = "level"; 2097 error = GL_INVALID_VALUE; 2098 goto error; 2099 } 2100 2101 /* Figure out the expected texture size (in bytes). This will be 2102 * checked against the actual size later. 2103 */ 2104 expectedSize = compressed_tex_size(width, height, depth, internalFormat); 2105 break; 2106 } 2107 2108 /* This should really never fail */ 2109 if (_mesa_base_tex_format(ctx, internalFormat) < 0) { 2110 reason = "internalFormat"; 2111 error = GL_INVALID_ENUM; 2112 goto error; 2113 } 2114 2115 /* No compressed formats support borders at this time */ 2116 if (border != 0) { 2117 reason = "border != 0"; 2118 error = GL_INVALID_VALUE; 2119 goto error; 2120 } 2121 2122 /* Check for invalid pixel storage modes */ 2123 if (!_mesa_compressed_pixel_storage_error_check(ctx, dimensions, 2124 &ctx->Unpack, 2125 "glCompressedTexImage")) { 2126 return GL_FALSE; 2127 } 2128 2129 /* check image size in bytes */ 2130 if (expectedSize != imageSize) { 2131 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...] 2132 * if <imageSize> is not consistent with the format, dimensions, and 2133 * contents of the specified image. 2134 */ 2135 reason = "imageSize inconsistent with width/height/format"; 2136 error = GL_INVALID_VALUE; 2137 goto error; 2138 } 2139 2140 if (!mutable_tex_object(ctx, target)) { 2141 reason = "immutable texture"; 2142 error = GL_INVALID_OPERATION; 2143 goto error; 2144 } 2145 2146 return GL_FALSE; 2147 2148 error: 2149 /* Note: not all error paths exit through here. */ 2150 _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", 2151 dimensions, reason); 2152 return GL_TRUE; 2153 } 2154 2155 2156 2157 /** 2158 * Test glTexSubImage[123]D() parameters for errors. 2159 * 2160 * \param ctx GL context. 2161 * \param dimensions texture image dimensions (must be 1, 2 or 3). 2162 * \param target texture target given by the user (already validated) 2163 * \param level image level given by the user. 2164 * \param xoffset sub-image x offset given by the user. 2165 * \param yoffset sub-image y offset given by the user. 2166 * \param zoffset sub-image z offset given by the user. 2167 * \param format pixel data format given by the user. 2168 * \param type pixel data type given by the user. 2169 * \param width image width given by the user. 2170 * \param height image height given by the user. 2171 * \param depth image depth given by the user. 2172 * 2173 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. 2174 * 2175 * Verifies each of the parameters against the constants specified in 2176 * __struct gl_contextRec::Const and the supported extensions, and according 2177 * to the OpenGL specification. 2178 */ 2179 static GLboolean 2180 texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, 2181 struct gl_texture_object *texObj, 2182 GLenum target, GLint level, 2183 GLint xoffset, GLint yoffset, GLint zoffset, 2184 GLint width, GLint height, GLint depth, 2185 GLenum format, GLenum type, const GLvoid *pixels, 2186 bool dsa, const char *callerName) 2187 { 2188 struct gl_texture_image *texImage; 2189 GLenum err; 2190 2191 if (!texObj) { 2192 /* must be out of memory */ 2193 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", callerName); 2194 return GL_TRUE; 2195 } 2196 2197 /* level check */ 2198 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { 2199 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level); 2200 return GL_TRUE; 2201 } 2202 2203 if (error_check_subtexture_negative_dimensions(ctx, dimensions, 2204 width, height, depth, 2205 callerName)) { 2206 return GL_TRUE; 2207 } 2208 2209 texImage = _mesa_select_tex_image(texObj, target, level); 2210 if (!texImage) { 2211 /* non-existant texture level */ 2212 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)", 2213 callerName, level); 2214 return GL_TRUE; 2215 } 2216 2217 err = _mesa_error_check_format_and_type(ctx, format, type); 2218 if (err != GL_NO_ERROR) { 2219 _mesa_error(ctx, err, 2220 "%s(incompatible format = %s, type = %s)", 2221 callerName, _mesa_enum_to_string(format), 2222 _mesa_enum_to_string(type)); 2223 return GL_TRUE; 2224 } 2225 2226 GLenum internalFormat = _mesa_is_gles(ctx) ? 2227 oes_float_internal_format(ctx, texImage->InternalFormat, type) : 2228 texImage->InternalFormat; 2229 2230 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the 2231 * combinations of format, internalFormat, and type that can be used. 2232 * Formats and types that require additional extensions (e.g., GL_FLOAT 2233 * requires GL_OES_texture_float) are filtered elsewhere. 2234 */ 2235 if (_mesa_is_gles(ctx) && 2236 texture_format_error_check_gles(ctx, format, type, 2237 internalFormat, 2238 dimensions, callerName)) { 2239 return GL_TRUE; 2240 } 2241 2242 /* validate the bound PBO, if any */ 2243 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, 2244 width, height, depth, format, type, 2245 INT_MAX, pixels, callerName)) { 2246 return GL_TRUE; 2247 } 2248 2249 if (error_check_subtexture_dimensions(ctx, dimensions, 2250 texImage, xoffset, yoffset, zoffset, 2251 width, height, depth, callerName)) { 2252 return GL_TRUE; 2253 } 2254 2255 if (_mesa_is_format_compressed(texImage->TexFormat)) { 2256 if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) { 2257 _mesa_error(ctx, GL_INVALID_OPERATION, 2258 "%s(no compression for format)", callerName); 2259 return GL_TRUE; 2260 } 2261 } 2262 2263 if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) { 2264 /* both source and dest must be integer-valued, or neither */ 2265 if (_mesa_is_format_integer_color(texImage->TexFormat) != 2266 _mesa_is_enum_format_integer(format)) { 2267 _mesa_error(ctx, GL_INVALID_OPERATION, 2268 "%s(integer/non-integer format mismatch)", callerName); 2269 return GL_TRUE; 2270 } 2271 } 2272 2273 return GL_FALSE; 2274 } 2275 2276 2277 /** 2278 * Test glCopyTexImage[12]D() parameters for errors. 2279 * 2280 * \param ctx GL context. 2281 * \param dimensions texture image dimensions (must be 1, 2 or 3). 2282 * \param target texture target given by the user. 2283 * \param level image level given by the user. 2284 * \param internalFormat internal format given by the user. 2285 * \param width image width given by the user. 2286 * \param height image height given by the user. 2287 * \param border texture border. 2288 * 2289 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. 2290 * 2291 * Verifies each of the parameters against the constants specified in 2292 * __struct gl_contextRec::Const and the supported extensions, and according 2293 * to the OpenGL specification. 2294 */ 2295 static GLboolean 2296 copytexture_error_check( struct gl_context *ctx, GLuint dimensions, 2297 GLenum target, GLint level, GLint internalFormat, 2298 GLint width, GLint height, GLint border ) 2299 { 2300 GLint baseFormat; 2301 GLint rb_base_format; 2302 struct gl_renderbuffer *rb; 2303 GLenum rb_internal_format; 2304 2305 /* check target */ 2306 if (!legal_texsubimage_target(ctx, dimensions, target, false)) { 2307 _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)", 2308 dimensions, _mesa_enum_to_string(target)); 2309 return GL_TRUE; 2310 } 2311 2312 /* level check */ 2313 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { 2314 _mesa_error(ctx, GL_INVALID_VALUE, 2315 "glCopyTexImage%dD(level=%d)", dimensions, level); 2316 return GL_TRUE; 2317 } 2318 2319 /* Check that the source buffer is complete */ 2320 if (_mesa_is_user_fbo(ctx->ReadBuffer)) { 2321 if (ctx->ReadBuffer->_Status == 0) { 2322 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); 2323 } 2324 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { 2325 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, 2326 "glCopyTexImage%dD(invalid readbuffer)", dimensions); 2327 return GL_TRUE; 2328 } 2329 2330 if (ctx->ReadBuffer->Visual.samples > 0) { 2331 _mesa_error(ctx, GL_INVALID_OPERATION, 2332 "glCopyTexImage%dD(multisample FBO)", dimensions); 2333 return GL_TRUE; 2334 } 2335 } 2336 2337 /* Check border */ 2338 if (border < 0 || border > 1 || 2339 ((ctx->API != API_OPENGL_COMPAT || 2340 target == GL_TEXTURE_RECTANGLE_NV || 2341 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { 2342 _mesa_error(ctx, GL_INVALID_VALUE, 2343 "glCopyTexImage%dD(border=%d)", dimensions, border); 2344 return GL_TRUE; 2345 } 2346 2347 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the 2348 * internalFormat. 2349 */ 2350 if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { 2351 switch (internalFormat) { 2352 case GL_ALPHA: 2353 case GL_RGB: 2354 case GL_RGBA: 2355 case GL_LUMINANCE: 2356 case GL_LUMINANCE_ALPHA: 2357 break; 2358 default: 2359 _mesa_error(ctx, GL_INVALID_ENUM, 2360 "glCopyTexImage%dD(internalFormat=%s)", dimensions, 2361 _mesa_enum_to_string(internalFormat)); 2362 return GL_TRUE; 2363 } 2364 } else { 2365 /* 2366 * Section 8.6 (Alternate Texture Image Specification Commands) of the 2367 * OpenGL 4.5 (Compatibility Profile) spec says: 2368 * 2369 * "Parameters level, internalformat, and border are specified using 2370 * the same values, with the same meanings, as the corresponding 2371 * arguments of TexImage2D, except that internalformat may not be 2372 * specified as 1, 2, 3, or 4." 2373 */ 2374 if (internalFormat >= 1 && internalFormat <= 4) { 2375 _mesa_error(ctx, GL_INVALID_ENUM, 2376 "glCopyTexImage%dD(internalFormat=%d)", dimensions, 2377 internalFormat); 2378 return GL_TRUE; 2379 } 2380 } 2381 2382 baseFormat = _mesa_base_tex_format(ctx, internalFormat); 2383 if (baseFormat < 0) { 2384 _mesa_error(ctx, GL_INVALID_ENUM, 2385 "glCopyTexImage%dD(internalFormat=%s)", dimensions, 2386 _mesa_enum_to_string(internalFormat)); 2387 return GL_TRUE; 2388 } 2389 2390 rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat); 2391 if (rb == NULL) { 2392 _mesa_error(ctx, GL_INVALID_OPERATION, 2393 "glCopyTexImage%dD(read buffer)", dimensions); 2394 return GL_TRUE; 2395 } 2396 2397 rb_internal_format = rb->InternalFormat; 2398 rb_base_format = _mesa_base_tex_format(ctx, rb->InternalFormat); 2399 if (_mesa_is_color_format(internalFormat)) { 2400 if (rb_base_format < 0) { 2401 _mesa_error(ctx, GL_INVALID_VALUE, 2402 "glCopyTexImage%dD(internalFormat=%s)", dimensions, 2403 _mesa_enum_to_string(internalFormat)); 2404 return GL_TRUE; 2405 } 2406 } 2407 2408 if (_mesa_is_gles(ctx)) { 2409 bool valid = true; 2410 if (_mesa_base_format_component_count(baseFormat) > 2411 _mesa_base_format_component_count(rb_base_format)) { 2412 valid = false; 2413 } 2414 if (baseFormat == GL_DEPTH_COMPONENT || 2415 baseFormat == GL_DEPTH_STENCIL || 2416 baseFormat == GL_STENCIL_INDEX || 2417 rb_base_format == GL_DEPTH_COMPONENT || 2418 rb_base_format == GL_DEPTH_STENCIL || 2419 rb_base_format == GL_STENCIL_INDEX || 2420 ((baseFormat == GL_LUMINANCE_ALPHA || 2421 baseFormat == GL_ALPHA) && 2422 rb_base_format != GL_RGBA) || 2423 internalFormat == GL_RGB9_E5) { 2424 valid = false; 2425 } 2426 if (internalFormat == GL_RGB9_E5) { 2427 valid = false; 2428 } 2429 if (!valid) { 2430 _mesa_error(ctx, GL_INVALID_OPERATION, 2431 "glCopyTexImage%dD(internalFormat=%s)", dimensions, 2432 _mesa_enum_to_string(internalFormat)); 2433 return GL_TRUE; 2434 } 2435 } 2436 2437 if (_mesa_is_gles3(ctx)) { 2438 bool rb_is_srgb = false; 2439 bool dst_is_srgb = false; 2440 2441 if (ctx->Extensions.EXT_framebuffer_sRGB && 2442 _mesa_get_format_color_encoding(rb->Format) == GL_SRGB) { 2443 rb_is_srgb = true; 2444 } 2445 2446 if (_mesa_get_linear_internalformat(internalFormat) != internalFormat) { 2447 dst_is_srgb = true; 2448 } 2449 2450 if (rb_is_srgb != dst_is_srgb) { 2451 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the 2452 * OpenGLES 3.0.0 spec says: 2453 * 2454 * "The error INVALID_OPERATION is also generated if the 2455 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the 2456 * framebuffer attachment corresponding to the read buffer 2457 * is LINEAR (see section 6.1.13) and internalformat is 2458 * one of the sRGB formats described in section 3.8.16, or 2459 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is 2460 * SRGB and internalformat is not one of the sRGB formats." 2461 */ 2462 _mesa_error(ctx, GL_INVALID_OPERATION, 2463 "glCopyTexImage%dD(srgb usage mismatch)", dimensions); 2464 return GL_TRUE; 2465 } 2466 2467 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels 2468 * types for SNORM formats. Also, conversion to SNORM formats is not 2469 * allowed by Table 3.2 on Page 110. 2470 */ 2471 if (_mesa_is_enum_format_snorm(internalFormat)) { 2472 _mesa_error(ctx, GL_INVALID_OPERATION, 2473 "glCopyTexImage%dD(internalFormat=%s)", dimensions, 2474 _mesa_enum_to_string(internalFormat)); 2475 return GL_TRUE; 2476 } 2477 } 2478 2479 if (!_mesa_source_buffer_exists(ctx, baseFormat)) { 2480 _mesa_error(ctx, GL_INVALID_OPERATION, 2481 "glCopyTexImage%dD(missing readbuffer)", dimensions); 2482 return GL_TRUE; 2483 } 2484 2485 /* From the EXT_texture_integer spec: 2486 * 2487 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage* 2488 * if the texture internalformat is an integer format and the read color 2489 * buffer is not an integer format, or if the internalformat is not an 2490 * integer format and the read color buffer is an integer format." 2491 */ 2492 if (_mesa_is_color_format(internalFormat)) { 2493 bool is_int = _mesa_is_enum_format_integer(internalFormat); 2494 bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format); 2495 bool is_unorm = _mesa_is_enum_format_unorm(internalFormat); 2496 bool is_rbunorm = _mesa_is_enum_format_unorm(rb_internal_format); 2497 if (is_int || is_rbint) { 2498 if (is_int != is_rbint) { 2499 _mesa_error(ctx, GL_INVALID_OPERATION, 2500 "glCopyTexImage%dD(integer vs non-integer)", dimensions); 2501 return GL_TRUE; 2502 } else if (_mesa_is_gles(ctx) && 2503 _mesa_is_enum_format_unsigned_int(internalFormat) != 2504 _mesa_is_enum_format_unsigned_int(rb_internal_format)) { 2505 _mesa_error(ctx, GL_INVALID_OPERATION, 2506 "glCopyTexImage%dD(signed vs unsigned integer)", 2507 dimensions); 2508 return GL_TRUE; 2509 } 2510 } 2511 2512 /* From page 138 of OpenGL ES 3.0 spec: 2513 * "The error INVALID_OPERATION is generated if floating-point RGBA 2514 * data is required; if signed integer RGBA data is required and the 2515 * format of the current color buffer is not signed integer; if 2516 * unsigned integer RGBA data is required and the format of the 2517 * current color buffer is not unsigned integer; or if fixed-point 2518 * RGBA data is required and the format of the current color buffer 2519 * is not fixed-point. 2520 */ 2521 if (_mesa_is_gles(ctx) && is_unorm != is_rbunorm) 2522 _mesa_error(ctx, GL_INVALID_OPERATION, 2523 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions); 2524 } 2525 2526 if (_mesa_is_compressed_format(ctx, internalFormat)) { 2527 GLenum err; 2528 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) { 2529 _mesa_error(ctx, err, 2530 "glCopyTexImage%dD(target can't be compressed)", dimensions); 2531 return GL_TRUE; 2532 } 2533 if (_mesa_format_no_online_compression(ctx, internalFormat)) { 2534 _mesa_error(ctx, GL_INVALID_OPERATION, 2535 "glCopyTexImage%dD(no compression for format)", dimensions); 2536 return GL_TRUE; 2537 } 2538 if (border != 0) { 2539 _mesa_error(ctx, GL_INVALID_OPERATION, 2540 "glCopyTexImage%dD(border!=0)", dimensions); 2541 return GL_TRUE; 2542 } 2543 } 2544 2545 if (!mutable_tex_object(ctx, target)) { 2546 _mesa_error(ctx, GL_INVALID_OPERATION, 2547 "glCopyTexImage%dD(immutable texture)", dimensions); 2548 return GL_TRUE; 2549 } 2550 2551 /* if we get here, the parameters are OK */ 2552 return GL_FALSE; 2553 } 2554 2555 2556 /** 2557 * Test glCopyTexSubImage[12]D() parameters for errors. 2558 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. 2559 */ 2560 static GLboolean 2561 copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, 2562 const struct gl_texture_object *texObj, 2563 GLenum target, GLint level, 2564 GLint xoffset, GLint yoffset, GLint zoffset, 2565 GLint width, GLint height, const char *caller) 2566 { 2567 assert(texObj); 2568 2569 struct gl_texture_image *texImage; 2570 2571 /* Check that the source buffer is complete */ 2572 if (_mesa_is_user_fbo(ctx->ReadBuffer)) { 2573 if (ctx->ReadBuffer->_Status == 0) { 2574 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); 2575 } 2576 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { 2577 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, 2578 "%s(invalid readbuffer)", caller); 2579 return GL_TRUE; 2580 } 2581 2582 if (ctx->ReadBuffer->Visual.samples > 0) { 2583 _mesa_error(ctx, GL_INVALID_OPERATION, 2584 "%s(multisample FBO)", caller); 2585 return GL_TRUE; 2586 } 2587 } 2588 2589 /* Check level */ 2590 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { 2591 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", caller, level); 2592 return GL_TRUE; 2593 } 2594 2595 texImage = _mesa_select_tex_image(texObj, target, level); 2596 if (!texImage) { 2597 /* destination image does not exist */ 2598 _mesa_error(ctx, GL_INVALID_OPERATION, 2599 "%s(invalid texture level %d)", caller, level); 2600 return GL_TRUE; 2601 } 2602 2603 if (error_check_subtexture_negative_dimensions(ctx, dimensions, 2604 width, height, 1, caller)) { 2605 return GL_TRUE; 2606 } 2607 2608 if (error_check_subtexture_dimensions(ctx, dimensions, texImage, 2609 xoffset, yoffset, zoffset, 2610 width, height, 1, caller)) { 2611 return GL_TRUE; 2612 } 2613 2614 if (_mesa_is_format_compressed(texImage->TexFormat)) { 2615 if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) { 2616 _mesa_error(ctx, GL_INVALID_OPERATION, 2617 "%s(no compression for format)", caller); 2618 return GL_TRUE; 2619 } 2620 } 2621 2622 if (texImage->InternalFormat == GL_YCBCR_MESA) { 2623 _mesa_error(ctx, GL_INVALID_OPERATION, "%s()", caller); 2624 return GL_TRUE; 2625 } 2626 2627 if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) { 2628 _mesa_error(ctx, GL_INVALID_OPERATION, 2629 "%s(missing readbuffer, format=%s)", caller, 2630 _mesa_enum_to_string(texImage->_BaseFormat)); 2631 return GL_TRUE; 2632 } 2633 2634 /* From the EXT_texture_integer spec: 2635 * 2636 * "INVALID_OPERATION is generated by CopyTexImage* and 2637 * CopyTexSubImage* if the texture internalformat is an integer format 2638 * and the read color buffer is not an integer format, or if the 2639 * internalformat is not an integer format and the read color buffer 2640 * is an integer format." 2641 */ 2642 if (_mesa_is_color_format(texImage->InternalFormat)) { 2643 struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; 2644 2645 if (_mesa_is_format_integer_color(rb->Format) != 2646 _mesa_is_format_integer_color(texImage->TexFormat)) { 2647 _mesa_error(ctx, GL_INVALID_OPERATION, 2648 "%s(integer vs non-integer)", caller); 2649 return GL_TRUE; 2650 } 2651 } 2652 2653 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source 2654 * framebuffer/destination texture base internal format combinations), 2655 * all the entries for stencil are left blank (unsupported). 2656 */ 2657 if (_mesa_is_gles(ctx) && _mesa_is_stencil_format(texImage->_BaseFormat)) { 2658 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(stencil disallowed)", caller); 2659 return GL_TRUE; 2660 } 2661 2662 /* if we get here, the parameters are OK */ 2663 return GL_FALSE; 2664 } 2665 2666 2667 /** Callback info for walking over FBO hash table */ 2668 struct cb_info 2669 { 2670 struct gl_context *ctx; 2671 struct gl_texture_object *texObj; 2672 GLuint level, face; 2673 }; 2674 2675 2676 /** 2677 * Check render to texture callback. Called from _mesa_HashWalk(). 2678 */ 2679 static void 2680 check_rtt_cb(GLuint key, void *data, void *userData) 2681 { 2682 struct gl_framebuffer *fb = (struct gl_framebuffer *) data; 2683 const struct cb_info *info = (struct cb_info *) userData; 2684 struct gl_context *ctx = info->ctx; 2685 const struct gl_texture_object *texObj = info->texObj; 2686 const GLuint level = info->level, face = info->face; 2687 2688 /* If this is a user-created FBO */ 2689 if (_mesa_is_user_fbo(fb)) { 2690 GLuint i; 2691 /* check if any of the FBO's attachments point to 'texObj' */ 2692 for (i = 0; i < BUFFER_COUNT; i++) { 2693 struct gl_renderbuffer_attachment *att = fb->Attachment + i; 2694 if (att->Type == GL_TEXTURE && 2695 att->Texture == texObj && 2696 att->TextureLevel == level && 2697 att->CubeMapFace == face) { 2698 _mesa_update_texture_renderbuffer(ctx, fb, att); 2699 assert(att->Renderbuffer->TexImage); 2700 /* Mark fb status as indeterminate to force re-validation */ 2701 fb->_Status = 0; 2702 2703 /* Make sure that the revalidation actually happens if this is 2704 * being done to currently-bound buffers. 2705 */ 2706 if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) 2707 ctx->NewState |= _NEW_BUFFERS; 2708 } 2709 } 2710 } 2711 } 2712 2713 2714 /** 2715 * When a texture image is specified we have to check if it's bound to 2716 * any framebuffer objects (render to texture) in order to detect changes 2717 * in size or format since that effects FBO completeness. 2718 * Any FBOs rendering into the texture must be re-validated. 2719 */ 2720 void 2721 _mesa_update_fbo_texture(struct gl_context *ctx, 2722 struct gl_texture_object *texObj, 2723 GLuint face, GLuint level) 2724 { 2725 /* Only check this texture if it's been marked as RenderToTexture */ 2726 if (texObj->_RenderToTexture) { 2727 struct cb_info info; 2728 info.ctx = ctx; 2729 info.texObj = texObj; 2730 info.level = level; 2731 info.face = face; 2732 _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info); 2733 } 2734 } 2735 2736 2737 /** 2738 * If the texture object's GenerateMipmap flag is set and we've 2739 * changed the texture base level image, regenerate the rest of the 2740 * mipmap levels now. 2741 */ 2742 static inline void 2743 check_gen_mipmap(struct gl_context *ctx, GLenum target, 2744 struct gl_texture_object *texObj, GLint level) 2745 { 2746 if (texObj->GenerateMipmap && 2747 level == texObj->BaseLevel && 2748 level < texObj->MaxLevel) { 2749 assert(ctx->Driver.GenerateMipmap); 2750 ctx->Driver.GenerateMipmap(ctx, target, texObj); 2751 } 2752 } 2753 2754 2755 /** Debug helper: override the user-requested internal format */ 2756 static GLenum 2757 override_internal_format(GLenum internalFormat, GLint width, GLint height) 2758 { 2759 #if 0 2760 if (internalFormat == GL_RGBA16F_ARB || 2761 internalFormat == GL_RGBA32F_ARB) { 2762 printf("Convert rgba float tex to int %d x %d\n", width, height); 2763 return GL_RGBA; 2764 } 2765 else if (internalFormat == GL_RGB16F_ARB || 2766 internalFormat == GL_RGB32F_ARB) { 2767 printf("Convert rgb float tex to int %d x %d\n", width, height); 2768 return GL_RGB; 2769 } 2770 else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB || 2771 internalFormat == GL_LUMINANCE_ALPHA32F_ARB) { 2772 printf("Convert luminance float tex to int %d x %d\n", width, height); 2773 return GL_LUMINANCE_ALPHA; 2774 } 2775 else if (internalFormat == GL_LUMINANCE16F_ARB || 2776 internalFormat == GL_LUMINANCE32F_ARB) { 2777 printf("Convert luminance float tex to int %d x %d\n", width, height); 2778 return GL_LUMINANCE; 2779 } 2780 else if (internalFormat == GL_ALPHA16F_ARB || 2781 internalFormat == GL_ALPHA32F_ARB) { 2782 printf("Convert luminance float tex to int %d x %d\n", width, height); 2783 return GL_ALPHA; 2784 } 2785 /* 2786 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) { 2787 internalFormat = GL_RGBA; 2788 } 2789 */ 2790 else { 2791 return internalFormat; 2792 } 2793 #else 2794 return internalFormat; 2795 #endif 2796 } 2797 2798 2799 /** 2800 * Choose the actual hardware format for a texture image. 2801 * Try to use the same format as the previous image level when possible. 2802 * Otherwise, ask the driver for the best format. 2803 * It's important to try to choose a consistant format for all levels 2804 * for efficient texture memory layout/allocation. In particular, this 2805 * comes up during automatic mipmap generation. 2806 */ 2807 mesa_format 2808 _mesa_choose_texture_format(struct gl_context *ctx, 2809 struct gl_texture_object *texObj, 2810 GLenum target, GLint level, 2811 GLenum internalFormat, GLenum format, GLenum type) 2812 { 2813 mesa_format f; 2814 2815 /* see if we've already chosen a format for the previous level */ 2816 if (level > 0) { 2817 struct gl_texture_image *prevImage = 2818 _mesa_select_tex_image(texObj, target, level - 1); 2819 /* See if the prev level is defined and has an internal format which 2820 * matches the new internal format. 2821 */ 2822 if (prevImage && 2823 prevImage->Width > 0 && 2824 prevImage->InternalFormat == internalFormat) { 2825 /* use the same format */ 2826 assert(prevImage->TexFormat != MESA_FORMAT_NONE); 2827 return prevImage->TexFormat; 2828 } 2829 } 2830 2831 f = ctx->Driver.ChooseTextureFormat(ctx, target, internalFormat, 2832 format, type); 2833 assert(f != MESA_FORMAT_NONE); 2834 return f; 2835 } 2836 2837 2838 /** 2839 * Adjust pixel unpack params and image dimensions to strip off the 2840 * one-pixel texture border. 2841 * 2842 * Gallium and intel don't support texture borders. They've seldem been used 2843 * and seldom been implemented correctly anyway. 2844 * 2845 * \param unpackNew returns the new pixel unpack parameters 2846 */ 2847 static void 2848 strip_texture_border(GLenum target, 2849 GLint *width, GLint *height, GLint *depth, 2850 const struct gl_pixelstore_attrib *unpack, 2851 struct gl_pixelstore_attrib *unpackNew) 2852 { 2853 assert(width); 2854 assert(height); 2855 assert(depth); 2856 2857 *unpackNew = *unpack; 2858 2859 if (unpackNew->RowLength == 0) 2860 unpackNew->RowLength = *width; 2861 2862 if (unpackNew->ImageHeight == 0) 2863 unpackNew->ImageHeight = *height; 2864 2865 assert(*width >= 3); 2866 unpackNew->SkipPixels++; /* skip the border */ 2867 *width = *width - 2; /* reduce the width by two border pixels */ 2868 2869 /* The min height of a texture with a border is 3 */ 2870 if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) { 2871 unpackNew->SkipRows++; /* skip the border */ 2872 *height = *height - 2; /* reduce the height by two border pixels */ 2873 } 2874 2875 if (*depth >= 3 && 2876 target != GL_TEXTURE_2D_ARRAY && 2877 target != GL_TEXTURE_CUBE_MAP_ARRAY) { 2878 unpackNew->SkipImages++; /* skip the border */ 2879 *depth = *depth - 2; /* reduce the depth by two border pixels */ 2880 } 2881 } 2882 2883 2884 /** 2885 * Common code to implement all the glTexImage1D/2D/3D functions 2886 * as well as glCompressedTexImage1D/2D/3D. 2887 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls. 2888 * \param format the user's image format (only used if !compressed) 2889 * \param type the user's image type (only used if !compressed) 2890 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls. 2891 */ 2892 static ALWAYS_INLINE void 2893 teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims, 2894 GLenum target, GLint level, GLint internalFormat, 2895 GLsizei width, GLsizei height, GLsizei depth, 2896 GLint border, GLenum format, GLenum type, 2897 GLsizei imageSize, const GLvoid *pixels, bool no_error) 2898 { 2899 const char *func = compressed ? "glCompressedTexImage" : "glTexImage"; 2900 struct gl_pixelstore_attrib unpack_no_border; 2901 const struct gl_pixelstore_attrib *unpack = &ctx->Unpack; 2902 struct gl_texture_object *texObj; 2903 mesa_format texFormat; 2904 bool dimensionsOK = true, sizeOK = true; 2905 2906 FLUSH_VERTICES(ctx, 0); 2907 2908 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) { 2909 if (compressed) 2910 _mesa_debug(ctx, 2911 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n", 2912 dims, 2913 _mesa_enum_to_string(target), level, 2914 _mesa_enum_to_string(internalFormat), 2915 width, height, depth, border, pixels); 2916 else 2917 _mesa_debug(ctx, 2918 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n", 2919 dims, 2920 _mesa_enum_to_string(target), level, 2921 _mesa_enum_to_string(internalFormat), 2922 width, height, depth, border, 2923 _mesa_enum_to_string(format), 2924 _mesa_enum_to_string(type), pixels); 2925 } 2926 2927 internalFormat = override_internal_format(internalFormat, width, height); 2928 2929 if (!no_error) { 2930 /* target error checking */ 2931 if (!legal_teximage_target(ctx, dims, target)) { 2932 _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)", 2933 func, dims, _mesa_enum_to_string(target)); 2934 return; 2935 } 2936 2937 /* general error checking */ 2938 if (compressed) { 2939 if (compressed_texture_error_check(ctx, dims, target, level, 2940 internalFormat, 2941 width, height, depth, 2942 border, imageSize, pixels)) 2943 return; 2944 } else { 2945 if (texture_error_check(ctx, dims, target, level, internalFormat, 2946 format, type, width, height, depth, border, 2947 pixels)) 2948 return; 2949 } 2950 } 2951 2952 /* Here we convert a cpal compressed image into a regular glTexImage2D 2953 * call by decompressing the texture. If we really want to support cpal 2954 * textures in any driver this would have to be changed. 2955 */ 2956 if (ctx->API == API_OPENGLES && compressed && dims == 2) { 2957 switch (internalFormat) { 2958 case GL_PALETTE4_RGB8_OES: 2959 case GL_PALETTE4_RGBA8_OES: 2960 case GL_PALETTE4_R5_G6_B5_OES: 2961 case GL_PALETTE4_RGBA4_OES: 2962 case GL_PALETTE4_RGB5_A1_OES: 2963 case GL_PALETTE8_RGB8_OES: 2964 case GL_PALETTE8_RGBA8_OES: 2965 case GL_PALETTE8_R5_G6_B5_OES: 2966 case GL_PALETTE8_RGBA4_OES: 2967 case GL_PALETTE8_RGB5_A1_OES: 2968 _mesa_cpal_compressed_teximage2d(target, level, internalFormat, 2969 width, height, imageSize, pixels); 2970 return; 2971 } 2972 } 2973 2974 texObj = _mesa_get_current_tex_object(ctx, target); 2975 assert(texObj); 2976 2977 if (compressed) { 2978 /* For glCompressedTexImage() the driver has no choice about the 2979 * texture format since we'll never transcode the user's compressed 2980 * image data. The internalFormat was error checked earlier. 2981 */ 2982 texFormat = _mesa_glenum_to_compressed_format(internalFormat); 2983 } 2984 else { 2985 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized 2986 * internal floating point format for the given base format. 2987 */ 2988 if (_mesa_is_gles(ctx) && format == internalFormat) { 2989 if (type == GL_FLOAT) { 2990 texObj->_IsFloat = GL_TRUE; 2991 } else if (type == GL_HALF_FLOAT_OES || type == GL_HALF_FLOAT) { 2992 texObj->_IsHalfFloat = GL_TRUE; 2993 } 2994 2995 internalFormat = adjust_for_oes_float_texture(ctx, format, type); 2996 } 2997 2998 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 2999 internalFormat, format, type); 3000 } 3001 3002 assert(texFormat != MESA_FORMAT_NONE); 3003 3004 if (!no_error) { 3005 /* check that width, height, depth are legal for the mipmap level */ 3006 dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, level, width, 3007 height, depth, border); 3008 3009 /* check that the texture won't take too much memory, etc */ 3010 sizeOK = ctx->Driver.TestProxyTexImage(ctx, proxy_target(target), 3011 0, level, texFormat, 1, 3012 width, height, depth); 3013 } 3014 3015 if (_mesa_is_proxy_texture(target)) { 3016 /* Proxy texture: just clear or set state depending on error checking */ 3017 struct gl_texture_image *texImage = 3018 get_proxy_tex_image(ctx, target, level); 3019 3020 if (!texImage) 3021 return; /* GL_OUT_OF_MEMORY already recorded */ 3022 3023 if (dimensionsOK && sizeOK) { 3024 _mesa_init_teximage_fields(ctx, texImage, width, height, depth, 3025 border, internalFormat, texFormat); 3026 } 3027 else { 3028 clear_teximage_fields(texImage); 3029 } 3030 } 3031 else { 3032 /* non-proxy target */ 3033 const GLuint face = _mesa_tex_target_to_face(target); 3034 struct gl_texture_image *texImage; 3035 3036 if (!dimensionsOK) { 3037 _mesa_error(ctx, GL_INVALID_VALUE, 3038 "%s%uD(invalid width=%d or height=%d or depth=%d)", 3039 func, dims, width, height, depth); 3040 return; 3041 } 3042 3043 if (!sizeOK) { 3044 _mesa_error(ctx, GL_OUT_OF_MEMORY, 3045 "%s%uD(image too large: %d x %d x %d, %s format)", 3046 func, dims, width, height, depth, 3047 _mesa_enum_to_string(internalFormat)); 3048 return; 3049 } 3050 3051 /* Allow a hardware driver to just strip out the border, to provide 3052 * reliable but slightly incorrect hardware rendering instead of 3053 * rarely-tested software fallback rendering. 3054 */ 3055 if (border && ctx->Const.StripTextureBorder) { 3056 strip_texture_border(target, &width, &height, &depth, unpack, 3057 &unpack_no_border); 3058 border = 0; 3059 unpack = &unpack_no_border; 3060 } 3061 3062 if (ctx->NewState & _NEW_PIXEL) 3063 _mesa_update_state(ctx); 3064 3065 _mesa_lock_texture(ctx, texObj); 3066 { 3067 texImage = _mesa_get_tex_image(ctx, texObj, target, level); 3068 3069 if (!texImage) { 3070 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims); 3071 } 3072 else { 3073 ctx->Driver.FreeTextureImageBuffer(ctx, texImage); 3074 3075 _mesa_init_teximage_fields(ctx, texImage, 3076 width, height, depth, 3077 border, internalFormat, texFormat); 3078 3079 /* Give the texture to the driver. <pixels> may be null. */ 3080 if (width > 0 && height > 0 && depth > 0) { 3081 if (compressed) { 3082 ctx->Driver.CompressedTexImage(ctx, dims, texImage, 3083 imageSize, pixels); 3084 } 3085 else { 3086 ctx->Driver.TexImage(ctx, dims, texImage, format, 3087 type, pixels, unpack); 3088 } 3089 } 3090 3091 check_gen_mipmap(ctx, target, texObj, level); 3092 3093 _mesa_update_fbo_texture(ctx, texObj, face, level); 3094 3095 _mesa_dirty_texobj(ctx, texObj); 3096 } 3097 } 3098 _mesa_unlock_texture(ctx, texObj); 3099 } 3100 } 3101 3102 3103 /* This is a wrapper around teximage() so that we can force the KHR_no_error 3104 * logic to be inlined without inlining the function into all the callers. 3105 */ 3106 static void 3107 teximage_err(struct gl_context *ctx, GLboolean compressed, GLuint dims, 3108 GLenum target, GLint level, GLint internalFormat, 3109 GLsizei width, GLsizei height, GLsizei depth, 3110 GLint border, GLenum format, GLenum type, 3111 GLsizei imageSize, const GLvoid *pixels) 3112 { 3113 teximage(ctx, compressed, dims, target, level, internalFormat, width, height, 3114 depth, border, format, type, imageSize, pixels, false); 3115 } 3116 3117 3118 static void 3119 teximage_no_error(struct gl_context *ctx, GLboolean compressed, GLuint dims, 3120 GLenum target, GLint level, GLint internalFormat, 3121 GLsizei width, GLsizei height, GLsizei depth, 3122 GLint border, GLenum format, GLenum type, 3123 GLsizei imageSize, const GLvoid *pixels) 3124 { 3125 teximage(ctx, compressed, dims, target, level, internalFormat, width, height, 3126 depth, border, format, type, imageSize, pixels, true); 3127 } 3128 3129 3130 /* 3131 * Called from the API. Note that width includes the border. 3132 */ 3133 void GLAPIENTRY 3134 _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, 3135 GLsizei width, GLint border, GLenum format, 3136 GLenum type, const GLvoid *pixels ) 3137 { 3138 GET_CURRENT_CONTEXT(ctx); 3139 teximage_err(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1, 3140 border, format, type, 0, pixels); 3141 } 3142 3143 3144 void GLAPIENTRY 3145 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, 3146 GLsizei width, GLsizei height, GLint border, 3147 GLenum format, GLenum type, 3148 const GLvoid *pixels ) 3149 { 3150 GET_CURRENT_CONTEXT(ctx); 3151 teximage_err(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1, 3152 border, format, type, 0, pixels); 3153 } 3154 3155 3156 /* 3157 * Called by the API or display list executor. 3158 * Note that width and height include the border. 3159 */ 3160 void GLAPIENTRY 3161 _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, 3162 GLsizei width, GLsizei height, GLsizei depth, 3163 GLint border, GLenum format, GLenum type, 3164 const GLvoid *pixels ) 3165 { 3166 GET_CURRENT_CONTEXT(ctx); 3167 teximage_err(ctx, GL_FALSE, 3, target, level, internalFormat, 3168 width, height, depth, border, format, type, 0, pixels); 3169 } 3170 3171 3172 void GLAPIENTRY 3173 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat, 3174 GLsizei width, GLsizei height, GLsizei depth, 3175 GLint border, GLenum format, GLenum type, 3176 const GLvoid *pixels ) 3177 { 3178 _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height, 3179 depth, border, format, type, pixels); 3180 } 3181 3182 3183 void GLAPIENTRY 3184 _mesa_TexImage1D_no_error(GLenum target, GLint level, GLint internalFormat, 3185 GLsizei width, GLint border, GLenum format, 3186 GLenum type, const GLvoid *pixels) 3187 { 3188 GET_CURRENT_CONTEXT(ctx); 3189 teximage_no_error(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 3190 1, border, format, type, 0, pixels); 3191 } 3192 3193 3194 void GLAPIENTRY 3195 _mesa_TexImage2D_no_error(GLenum target, GLint level, GLint internalFormat, 3196 GLsizei width, GLsizei height, GLint border, 3197 GLenum format, GLenum type, const GLvoid *pixels) 3198 { 3199 GET_CURRENT_CONTEXT(ctx); 3200 teximage_no_error(ctx, GL_FALSE, 2, target, level, internalFormat, width, 3201 height, 1, border, format, type, 0, pixels); 3202 } 3203 3204 3205 void GLAPIENTRY 3206 _mesa_TexImage3D_no_error(GLenum target, GLint level, GLint internalFormat, 3207 GLsizei width, GLsizei height, GLsizei depth, 3208 GLint border, GLenum format, GLenum type, 3209 const GLvoid *pixels ) 3210 { 3211 GET_CURRENT_CONTEXT(ctx); 3212 teximage_no_error(ctx, GL_FALSE, 3, target, level, internalFormat, 3213 width, height, depth, border, format, type, 0, pixels); 3214 } 3215 3216 3217 void GLAPIENTRY 3218 _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image) 3219 { 3220 struct gl_texture_object *texObj; 3221 struct gl_texture_image *texImage; 3222 bool valid_target; 3223 GET_CURRENT_CONTEXT(ctx); 3224 FLUSH_VERTICES(ctx, 0); 3225 3226 switch (target) { 3227 case GL_TEXTURE_2D: 3228 valid_target = ctx->Extensions.OES_EGL_image; 3229 break; 3230 case GL_TEXTURE_EXTERNAL_OES: 3231 valid_target = 3232 _mesa_is_gles(ctx) ? ctx->Extensions.OES_EGL_image_external : false; 3233 break; 3234 default: 3235 valid_target = false; 3236 break; 3237 } 3238 3239 if (!valid_target) { 3240 _mesa_error(ctx, GL_INVALID_ENUM, 3241 "glEGLImageTargetTexture2D(target=%d)", target); 3242 return; 3243 } 3244 3245 if (!image) { 3246 _mesa_error(ctx, GL_INVALID_OPERATION, 3247 "glEGLImageTargetTexture2D(image=%p)", image); 3248 return; 3249 } 3250 3251 if (ctx->NewState & _NEW_PIXEL) 3252 _mesa_update_state(ctx); 3253 3254 texObj = _mesa_get_current_tex_object(ctx, target); 3255 if (!texObj) 3256 return; 3257 3258 _mesa_lock_texture(ctx, texObj); 3259 3260 if (texObj->Immutable) { 3261 _mesa_error(ctx, GL_INVALID_OPERATION, 3262 "glEGLImageTargetTexture2D(texture is immutable)"); 3263 _mesa_unlock_texture(ctx, texObj); 3264 return; 3265 } 3266 3267 texImage = _mesa_get_tex_image(ctx, texObj, target, 0); 3268 if (!texImage) { 3269 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D"); 3270 } else { 3271 ctx->Driver.FreeTextureImageBuffer(ctx, texImage); 3272 3273 ctx->Driver.EGLImageTargetTexture2D(ctx, target, 3274 texObj, texImage, image); 3275 3276 _mesa_dirty_texobj(ctx, texObj); 3277 } 3278 _mesa_unlock_texture(ctx, texObj); 3279 } 3280 3281 3282 /** 3283 * Helper that implements the glTexSubImage1/2/3D() 3284 * and glTextureSubImage1/2/3D() functions. 3285 */ 3286 static void 3287 texture_sub_image(struct gl_context *ctx, GLuint dims, 3288 struct gl_texture_object *texObj, 3289 struct gl_texture_image *texImage, 3290 GLenum target, GLint level, 3291 GLint xoffset, GLint yoffset, GLint zoffset, 3292 GLsizei width, GLsizei height, GLsizei depth, 3293 GLenum format, GLenum type, const GLvoid *pixels, 3294 bool dsa) 3295 { 3296 FLUSH_VERTICES(ctx, 0); 3297 3298 if (ctx->NewState & _NEW_PIXEL) 3299 _mesa_update_state(ctx); 3300 3301 _mesa_lock_texture(ctx, texObj); 3302 { 3303 if (width > 0 && height > 0 && depth > 0) { 3304 /* If we have a border, offset=-1 is legal. Bias by border width. */ 3305 switch (dims) { 3306 case 3: 3307 if (target != GL_TEXTURE_2D_ARRAY) 3308 zoffset += texImage->Border; 3309 /* fall-through */ 3310 case 2: 3311 if (target != GL_TEXTURE_1D_ARRAY) 3312 yoffset += texImage->Border; 3313 /* fall-through */ 3314 case 1: 3315 xoffset += texImage->Border; 3316 } 3317 3318 ctx->Driver.TexSubImage(ctx, dims, texImage, 3319 xoffset, yoffset, zoffset, 3320 width, height, depth, 3321 format, type, pixels, &ctx->Unpack); 3322 3323 check_gen_mipmap(ctx, target, texObj, level); 3324 3325 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed 3326 * the texel data, not the texture format, size, etc. 3327 */ 3328 } 3329 } 3330 _mesa_unlock_texture(ctx, texObj); 3331 } 3332 3333 /** 3334 * Implement all the glTexSubImage1/2/3D() functions. 3335 * Must split this out this way because of GL_TEXTURE_CUBE_MAP. 3336 */ 3337 static void 3338 texsubimage_err(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, 3339 GLint xoffset, GLint yoffset, GLint zoffset, 3340 GLsizei width, GLsizei height, GLsizei depth, 3341 GLenum format, GLenum type, const GLvoid *pixels, 3342 const char *callerName) 3343 { 3344 struct gl_texture_object *texObj; 3345 struct gl_texture_image *texImage; 3346 3347 /* check target (proxies not allowed) */ 3348 if (!legal_texsubimage_target(ctx, dims, target, false)) { 3349 _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)", 3350 dims, _mesa_enum_to_string(target)); 3351 return; 3352 } 3353 3354 texObj = _mesa_get_current_tex_object(ctx, target); 3355 if (!texObj) 3356 return; 3357 3358 if (texsubimage_error_check(ctx, dims, texObj, target, level, 3359 xoffset, yoffset, zoffset, 3360 width, height, depth, format, type, 3361 pixels, false, callerName)) { 3362 return; /* error was detected */ 3363 } 3364 3365 texImage = _mesa_select_tex_image(texObj, target, level); 3366 /* texsubimage_error_check ensures that texImage is not NULL */ 3367 3368 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) 3369 _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n", 3370 dims, 3371 _mesa_enum_to_string(target), level, 3372 xoffset, yoffset, zoffset, width, height, depth, 3373 _mesa_enum_to_string(format), 3374 _mesa_enum_to_string(type), pixels); 3375 3376 texture_sub_image(ctx, dims, texObj, texImage, target, level, 3377 xoffset, yoffset, zoffset, width, height, depth, 3378 format, type, pixels, false); 3379 } 3380 3381 3382 static void 3383 texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, 3384 GLint xoffset, GLint yoffset, GLint zoffset, 3385 GLsizei width, GLsizei height, GLsizei depth, 3386 GLenum format, GLenum type, const GLvoid *pixels) 3387 { 3388 struct gl_texture_object *texObj; 3389 struct gl_texture_image *texImage; 3390 3391 texObj = _mesa_get_current_tex_object(ctx, target); 3392 texImage = _mesa_select_tex_image(texObj, target, level); 3393 3394 texture_sub_image(ctx, dims, texObj, texImage, target, level, 3395 xoffset, yoffset, zoffset, width, height, depth, 3396 format, type, pixels, false); 3397 } 3398 3399 3400 /** 3401 * Implement all the glTextureSubImage1/2/3D() functions. 3402 * Must split this out this way because of GL_TEXTURE_CUBE_MAP. 3403 */ 3404 static ALWAYS_INLINE void 3405 texturesubimage(struct gl_context *ctx, GLuint dims, 3406 GLuint texture, GLint level, 3407 GLint xoffset, GLint yoffset, GLint zoffset, 3408 GLsizei width, GLsizei height, GLsizei depth, 3409 GLenum format, GLenum type, const GLvoid *pixels, 3410 const char *callerName, bool no_error) 3411 { 3412 struct gl_texture_object *texObj; 3413 struct gl_texture_image *texImage; 3414 int i; 3415 3416 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) 3417 _mesa_debug(ctx, 3418 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n", 3419 dims, texture, level, 3420 xoffset, yoffset, zoffset, width, height, depth, 3421 _mesa_enum_to_string(format), 3422 _mesa_enum_to_string(type), pixels); 3423 3424 /* Get the texture object by Name. */ 3425 if (!no_error) { 3426 texObj = _mesa_lookup_texture_err(ctx, texture, callerName); 3427 if (!texObj) 3428 return; 3429 } else { 3430 texObj = _mesa_lookup_texture(ctx, texture); 3431 } 3432 3433 if (!no_error) { 3434 /* check target (proxies not allowed) */ 3435 if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) { 3436 _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)", 3437 callerName, _mesa_enum_to_string(texObj->Target)); 3438 return; 3439 } 3440 3441 if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level, 3442 xoffset, yoffset, zoffset, 3443 width, height, depth, format, type, 3444 pixels, true, callerName)) { 3445 return; /* error was detected */ 3446 } 3447 } 3448 3449 /* Must handle special case GL_TEXTURE_CUBE_MAP. */ 3450 if (texObj->Target == GL_TEXTURE_CUBE_MAP) { 3451 GLint imageStride; 3452 3453 /* 3454 * What do we do if the user created a texture with the following code 3455 * and then called this function with its handle? 3456 * 3457 * GLuint tex; 3458 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex); 3459 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex); 3460 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...); 3461 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...); 3462 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...); 3463 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the 3464 * // wrong format, or given the wrong size, etc. 3465 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...); 3466 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...); 3467 * 3468 * A bug has been filed against the spec for this case. In the 3469 * meantime, we will check for cube completeness. 3470 * 3471 * According to Section 8.17 Texture Completeness in the OpenGL 4.5 3472 * Core Profile spec (30.10.2014): 3473 * "[A] cube map texture is cube complete if the 3474 * following conditions all hold true: The [base level] texture 3475 * images of each of the six cube map faces have identical, positive, 3476 * and square dimensions. The [base level] images were each specified 3477 * with the same internal format." 3478 * 3479 * It seems reasonable to check for cube completeness of an arbitrary 3480 * level here so that the image data has a consistent format and size. 3481 */ 3482 if (!no_error && !_mesa_cube_level_complete(texObj, level)) { 3483 _mesa_error(ctx, GL_INVALID_OPERATION, 3484 "glTextureSubImage%uD(cube map incomplete)", 3485 dims); 3486 return; 3487 } 3488 3489 imageStride = _mesa_image_image_stride(&ctx->Unpack, width, height, 3490 format, type); 3491 /* Copy in each face. */ 3492 for (i = zoffset; i < zoffset + depth; ++i) { 3493 texImage = texObj->Image[i][level]; 3494 assert(texImage); 3495 3496 texture_sub_image(ctx, 3, texObj, texImage, texObj->Target, 3497 level, xoffset, yoffset, 0, 3498 width, height, 1, format, 3499 type, pixels, true); 3500 pixels = (GLubyte *) pixels + imageStride; 3501 } 3502 } 3503 else { 3504 texImage = _mesa_select_tex_image(texObj, texObj->Target, level); 3505 assert(texImage); 3506 3507 texture_sub_image(ctx, dims, texObj, texImage, texObj->Target, 3508 level, xoffset, yoffset, zoffset, 3509 width, height, depth, format, 3510 type, pixels, true); 3511 } 3512 } 3513 3514 3515 static void 3516 texturesubimage_error(struct gl_context *ctx, GLuint dims, 3517 GLuint texture, GLint level, 3518 GLint xoffset, GLint yoffset, GLint zoffset, 3519 GLsizei width, GLsizei height, GLsizei depth, 3520 GLenum format, GLenum type, const GLvoid *pixels, 3521 const char *callerName) 3522 { 3523 texturesubimage(ctx, dims, texture, level, xoffset, yoffset, zoffset, 3524 width, height, depth, format, type, pixels, callerName, 3525 false); 3526 } 3527 3528 3529 static void 3530 texturesubimage_no_error(struct gl_context *ctx, GLuint dims, 3531 GLuint texture, GLint level, 3532 GLint xoffset, GLint yoffset, GLint zoffset, 3533 GLsizei width, GLsizei height, GLsizei depth, 3534 GLenum format, GLenum type, const GLvoid *pixels, 3535 const char *callerName) 3536 { 3537 texturesubimage(ctx, dims, texture, level, xoffset, yoffset, zoffset, 3538 width, height, depth, format, type, pixels, callerName, 3539 true); 3540 } 3541 3542 3543 void GLAPIENTRY 3544 _mesa_TexSubImage1D_no_error(GLenum target, GLint level, 3545 GLint xoffset, GLsizei width, 3546 GLenum format, GLenum type, 3547 const GLvoid *pixels) 3548 { 3549 GET_CURRENT_CONTEXT(ctx); 3550 texsubimage(ctx, 1, target, level, 3551 xoffset, 0, 0, 3552 width, 1, 1, 3553 format, type, pixels); 3554 } 3555 3556 3557 void GLAPIENTRY 3558 _mesa_TexSubImage1D( GLenum target, GLint level, 3559 GLint xoffset, GLsizei width, 3560 GLenum format, GLenum type, 3561 const GLvoid *pixels ) 3562 { 3563 GET_CURRENT_CONTEXT(ctx); 3564 texsubimage_err(ctx, 1, target, level, 3565 xoffset, 0, 0, 3566 width, 1, 1, 3567 format, type, pixels, "glTexSubImage1D"); 3568 } 3569 3570 3571 void GLAPIENTRY 3572 _mesa_TexSubImage2D_no_error(GLenum target, GLint level, 3573 GLint xoffset, GLint yoffset, 3574 GLsizei width, GLsizei height, 3575 GLenum format, GLenum type, 3576 const GLvoid *pixels) 3577 { 3578 GET_CURRENT_CONTEXT(ctx); 3579 texsubimage(ctx, 2, target, level, 3580 xoffset, yoffset, 0, 3581 width, height, 1, 3582 format, type, pixels); 3583 } 3584 3585 3586 void GLAPIENTRY 3587 _mesa_TexSubImage2D( GLenum target, GLint level, 3588 GLint xoffset, GLint yoffset, 3589 GLsizei width, GLsizei height, 3590 GLenum format, GLenum type, 3591 const GLvoid *pixels ) 3592 { 3593 GET_CURRENT_CONTEXT(ctx); 3594 texsubimage_err(ctx, 2, target, level, 3595 xoffset, yoffset, 0, 3596 width, height, 1, 3597 format, type, pixels, "glTexSubImage2D"); 3598 } 3599 3600 3601 void GLAPIENTRY 3602 _mesa_TexSubImage3D_no_error(GLenum target, GLint level, 3603 GLint xoffset, GLint yoffset, GLint zoffset, 3604 GLsizei width, GLsizei height, GLsizei depth, 3605 GLenum format, GLenum type, 3606 const GLvoid *pixels) 3607 { 3608 GET_CURRENT_CONTEXT(ctx); 3609 texsubimage(ctx, 3, target, level, 3610 xoffset, yoffset, zoffset, 3611 width, height, depth, 3612 format, type, pixels); 3613 } 3614 3615 3616 void GLAPIENTRY 3617 _mesa_TexSubImage3D( GLenum target, GLint level, 3618 GLint xoffset, GLint yoffset, GLint zoffset, 3619 GLsizei width, GLsizei height, GLsizei depth, 3620 GLenum format, GLenum type, 3621 const GLvoid *pixels ) 3622 { 3623 GET_CURRENT_CONTEXT(ctx); 3624 texsubimage_err(ctx, 3, target, level, 3625 xoffset, yoffset, zoffset, 3626 width, height, depth, 3627 format, type, pixels, "glTexSubImage3D"); 3628 } 3629 3630 3631 void GLAPIENTRY 3632 _mesa_TextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset, 3633 GLsizei width, GLenum format, GLenum type, 3634 const GLvoid *pixels) 3635 { 3636 GET_CURRENT_CONTEXT(ctx); 3637 texturesubimage_no_error(ctx, 1, texture, level, xoffset, 0, 0, width, 1, 1, 3638 format, type, pixels, "glTextureSubImage1D"); 3639 } 3640 3641 3642 void GLAPIENTRY 3643 _mesa_TextureSubImage1D(GLuint texture, GLint level, 3644 GLint xoffset, GLsizei width, 3645 GLenum format, GLenum type, 3646 const GLvoid *pixels) 3647 { 3648 GET_CURRENT_CONTEXT(ctx); 3649 texturesubimage_error(ctx, 1, texture, level, xoffset, 0, 0, width, 1, 1, 3650 format, type, pixels, "glTextureSubImage1D"); 3651 } 3652 3653 3654 void GLAPIENTRY 3655 _mesa_TextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset, 3656 GLint yoffset, GLsizei width, GLsizei height, 3657 GLenum format, GLenum type, 3658 const GLvoid *pixels) 3659 { 3660 GET_CURRENT_CONTEXT(ctx); 3661 texturesubimage_no_error(ctx, 2, texture, level, xoffset, yoffset, 0, width, 3662 height, 1, format, type, pixels, 3663 "glTextureSubImage2D"); 3664 } 3665 3666 3667 void GLAPIENTRY 3668 _mesa_TextureSubImage2D(GLuint texture, GLint level, 3669 GLint xoffset, GLint yoffset, 3670 GLsizei width, GLsizei height, 3671 GLenum format, GLenum type, 3672 const GLvoid *pixels) 3673 { 3674 GET_CURRENT_CONTEXT(ctx); 3675 texturesubimage_error(ctx, 2, texture, level, xoffset, yoffset, 0, width, 3676 height, 1, format, type, pixels, 3677 "glTextureSubImage2D"); 3678 } 3679 3680 3681 void GLAPIENTRY 3682 _mesa_TextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset, 3683 GLint yoffset, GLint zoffset, GLsizei width, 3684 GLsizei height, GLsizei depth, GLenum format, 3685 GLenum type, const GLvoid *pixels) 3686 { 3687 GET_CURRENT_CONTEXT(ctx); 3688 texturesubimage_no_error(ctx, 3, texture, level, xoffset, yoffset, zoffset, 3689 width, height, depth, format, type, pixels, 3690 "glTextureSubImage3D"); 3691 } 3692 3693 3694 void GLAPIENTRY 3695 _mesa_TextureSubImage3D(GLuint texture, GLint level, 3696 GLint xoffset, GLint yoffset, GLint zoffset, 3697 GLsizei width, GLsizei height, GLsizei depth, 3698 GLenum format, GLenum type, 3699 const GLvoid *pixels) 3700 { 3701 GET_CURRENT_CONTEXT(ctx); 3702 texturesubimage_error(ctx, 3, texture, level, xoffset, yoffset, zoffset, 3703 width, height, depth, format, type, pixels, 3704 "glTextureSubImage3D"); 3705 } 3706 3707 3708 /** 3709 * For glCopyTexSubImage, return the source renderbuffer to copy texel data 3710 * from. This depends on whether the texture contains color or depth values. 3711 */ 3712 static struct gl_renderbuffer * 3713 get_copy_tex_image_source(struct gl_context *ctx, mesa_format texFormat) 3714 { 3715 if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) { 3716 /* reading from depth/stencil buffer */ 3717 return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; 3718 } else if (_mesa_get_format_bits(texFormat, GL_STENCIL_BITS) > 0) { 3719 return ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer; 3720 } else { 3721 /* copying from color buffer */ 3722 return ctx->ReadBuffer->_ColorReadBuffer; 3723 } 3724 } 3725 3726 3727 static void 3728 copytexsubimage_by_slice(struct gl_context *ctx, 3729 struct gl_texture_image *texImage, 3730 GLuint dims, 3731 GLint xoffset, GLint yoffset, GLint zoffset, 3732 struct gl_renderbuffer *rb, 3733 GLint x, GLint y, 3734 GLsizei width, GLsizei height) 3735 { 3736 if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) { 3737 int slice; 3738 3739 /* For 1D arrays, we copy each scanline of the source rectangle into the 3740 * next array slice. 3741 */ 3742 assert(zoffset == 0); 3743 3744 for (slice = 0; slice < height; slice++) { 3745 assert(yoffset + slice < texImage->Height); 3746 ctx->Driver.CopyTexSubImage(ctx, 2, texImage, 3747 xoffset, 0, yoffset + slice, 3748 rb, x, y + slice, width, 1); 3749 } 3750 } else { 3751 ctx->Driver.CopyTexSubImage(ctx, dims, texImage, 3752 xoffset, yoffset, zoffset, 3753 rb, x, y, width, height); 3754 } 3755 } 3756 3757 3758 static GLboolean 3759 formats_differ_in_component_sizes(mesa_format f1, mesa_format f2) 3760 { 3761 GLint f1_r_bits = _mesa_get_format_bits(f1, GL_RED_BITS); 3762 GLint f1_g_bits = _mesa_get_format_bits(f1, GL_GREEN_BITS); 3763 GLint f1_b_bits = _mesa_get_format_bits(f1, GL_BLUE_BITS); 3764 GLint f1_a_bits = _mesa_get_format_bits(f1, GL_ALPHA_BITS); 3765 3766 GLint f2_r_bits = _mesa_get_format_bits(f2, GL_RED_BITS); 3767 GLint f2_g_bits = _mesa_get_format_bits(f2, GL_GREEN_BITS); 3768 GLint f2_b_bits = _mesa_get_format_bits(f2, GL_BLUE_BITS); 3769 GLint f2_a_bits = _mesa_get_format_bits(f2, GL_ALPHA_BITS); 3770 3771 if ((f1_r_bits && f2_r_bits && f1_r_bits != f2_r_bits) 3772 || (f1_g_bits && f2_g_bits && f1_g_bits != f2_g_bits) 3773 || (f1_b_bits && f2_b_bits && f1_b_bits != f2_b_bits) 3774 || (f1_a_bits && f2_a_bits && f1_a_bits != f2_a_bits)) 3775 return GL_TRUE; 3776 3777 return GL_FALSE; 3778 } 3779 3780 3781 /** 3782 * Check if the given texture format and size arguments match those 3783 * of the texture image. 3784 * \param return true if arguments match, false otherwise. 3785 */ 3786 static bool 3787 can_avoid_reallocation(const struct gl_texture_image *texImage, 3788 GLenum internalFormat, 3789 mesa_format texFormat, GLint x, GLint y, GLsizei width, 3790 GLsizei height, GLint border) 3791 { 3792 if (texImage->InternalFormat != internalFormat) 3793 return false; 3794 if (texImage->TexFormat != texFormat) 3795 return false; 3796 if (texImage->Border != border) 3797 return false; 3798 if (texImage->Width2 != width) 3799 return false; 3800 if (texImage->Height2 != height) 3801 return false; 3802 return true; 3803 } 3804 3805 3806 /** 3807 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions. 3808 */ 3809 static void 3810 copy_texture_sub_image(struct gl_context *ctx, GLuint dims, 3811 struct gl_texture_object *texObj, 3812 GLenum target, GLint level, 3813 GLint xoffset, GLint yoffset, GLint zoffset, 3814 GLint x, GLint y, GLsizei width, GLsizei height) 3815 { 3816 struct gl_texture_image *texImage; 3817 3818 _mesa_lock_texture(ctx, texObj); 3819 3820 texImage = _mesa_select_tex_image(texObj, target, level); 3821 3822 /* If we have a border, offset=-1 is legal. Bias by border width. */ 3823 switch (dims) { 3824 case 3: 3825 if (target != GL_TEXTURE_2D_ARRAY) 3826 zoffset += texImage->Border; 3827 /* fall-through */ 3828 case 2: 3829 if (target != GL_TEXTURE_1D_ARRAY) 3830 yoffset += texImage->Border; 3831 /* fall-through */ 3832 case 1: 3833 xoffset += texImage->Border; 3834 } 3835 3836 if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, 3837 &width, &height)) { 3838 struct gl_renderbuffer *srcRb = 3839 get_copy_tex_image_source(ctx, texImage->TexFormat); 3840 3841 copytexsubimage_by_slice(ctx, texImage, dims, xoffset, yoffset, zoffset, 3842 srcRb, x, y, width, height); 3843 3844 check_gen_mipmap(ctx, target, texObj, level); 3845 3846 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed 3847 * the texel data, not the texture format, size, etc. 3848 */ 3849 } 3850 3851 _mesa_unlock_texture(ctx, texObj); 3852 } 3853 3854 3855 static void 3856 copy_texture_sub_image_err(struct gl_context *ctx, GLuint dims, 3857 struct gl_texture_object *texObj, 3858 GLenum target, GLint level, 3859 GLint xoffset, GLint yoffset, GLint zoffset, 3860 GLint x, GLint y, GLsizei width, GLsizei height, 3861 const char *caller) 3862 { 3863 FLUSH_VERTICES(ctx, 0); 3864 3865 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) 3866 _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller, 3867 _mesa_enum_to_string(target), 3868 level, xoffset, yoffset, zoffset, x, y, width, height); 3869 3870 if (ctx->NewState & NEW_COPY_TEX_STATE) 3871 _mesa_update_state(ctx); 3872 3873 if (copytexsubimage_error_check(ctx, dims, texObj, target, level, 3874 xoffset, yoffset, zoffset, 3875 width, height, caller)) { 3876 return; 3877 } 3878 3879 copy_texture_sub_image(ctx, dims, texObj, target, level, xoffset, yoffset, 3880 zoffset, x, y, width, height); 3881 } 3882 3883 3884 static void 3885 copy_texture_sub_image_no_error(struct gl_context *ctx, GLuint dims, 3886 struct gl_texture_object *texObj, 3887 GLenum target, GLint level, 3888 GLint xoffset, GLint yoffset, GLint zoffset, 3889 GLint x, GLint y, GLsizei width, GLsizei height) 3890 { 3891 FLUSH_VERTICES(ctx, 0); 3892 3893 if (ctx->NewState & NEW_COPY_TEX_STATE) 3894 _mesa_update_state(ctx); 3895 3896 copy_texture_sub_image(ctx, dims, texObj, target, level, xoffset, yoffset, 3897 zoffset, x, y, width, height); 3898 } 3899 3900 3901 /** 3902 * Implement the glCopyTexImage1/2D() functions. 3903 */ 3904 static ALWAYS_INLINE void 3905 copyteximage(struct gl_context *ctx, GLuint dims, 3906 GLenum target, GLint level, GLenum internalFormat, 3907 GLint x, GLint y, GLsizei width, GLsizei height, GLint border, 3908 bool no_error) 3909 { 3910 struct gl_texture_image *texImage; 3911 struct gl_texture_object *texObj; 3912 mesa_format texFormat; 3913 3914 FLUSH_VERTICES(ctx, 0); 3915 3916 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) 3917 _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n", 3918 dims, 3919 _mesa_enum_to_string(target), level, 3920 _mesa_enum_to_string(internalFormat), 3921 x, y, width, height, border); 3922 3923 if (ctx->NewState & NEW_COPY_TEX_STATE) 3924 _mesa_update_state(ctx); 3925 3926 if (!no_error) { 3927 if (copytexture_error_check(ctx, dims, target, level, internalFormat, 3928 width, height, border)) 3929 return; 3930 3931 if (!_mesa_legal_texture_dimensions(ctx, target, level, width, height, 3932 1, border)) { 3933 _mesa_error(ctx, GL_INVALID_VALUE, 3934 "glCopyTexImage%uD(invalid width=%d or height=%d)", 3935 dims, width, height); 3936 return; 3937 } 3938 } 3939 3940 texObj = _mesa_get_current_tex_object(ctx, target); 3941 assert(texObj); 3942 3943 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 3944 internalFormat, GL_NONE, GL_NONE); 3945 3946 /* First check if reallocating the texture buffer can be avoided. 3947 * Without the realloc the copy can be 20x faster. 3948 */ 3949 _mesa_lock_texture(ctx, texObj); 3950 { 3951 texImage = _mesa_select_tex_image(texObj, target, level); 3952 if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat, 3953 x, y, width, height, border)) { 3954 _mesa_unlock_texture(ctx, texObj); 3955 if (no_error) { 3956 copy_texture_sub_image_no_error(ctx, dims, texObj, target, level, 0, 3957 0, 0, x, y, width, height); 3958 } else { 3959 copy_texture_sub_image_err(ctx, dims, texObj, target, level, 0, 0, 3960 0, x, y, width, height,"CopyTexImage"); 3961 } 3962 return; 3963 } 3964 } 3965 _mesa_unlock_texture(ctx, texObj); 3966 _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_LOW, "glCopyTexImage " 3967 "can't avoid reallocating texture storage\n"); 3968 3969 if (!no_error && _mesa_is_gles3(ctx)) { 3970 struct gl_renderbuffer *rb = 3971 _mesa_get_read_renderbuffer_for_format(ctx, internalFormat); 3972 3973 if (_mesa_is_enum_format_unsized(internalFormat)) { 3974 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in 3975 * OpenGL ES 3.0. Khronos bug# 9807. 3976 */ 3977 if (rb->InternalFormat == GL_RGB10_A2) { 3978 _mesa_error(ctx, GL_INVALID_OPERATION, 3979 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer" 3980 " and writing to unsized internal format)", dims); 3981 return; 3982 } 3983 } 3984 /* From Page 139 of OpenGL ES 3.0 spec: 3985 * "If internalformat is sized, the internal format of the new texel 3986 * array is internalformat, and this is also the new texel arrays 3987 * effective internal format. If the component sizes of internalformat 3988 * do not exactly match the corresponding component sizes of the source 3989 * buffers effective internal format, described below, an 3990 * INVALID_OPERATION error is generated. If internalformat is unsized, 3991 * the internal format of the new texel array is the effective internal 3992 * format of the source buffer, and this is also the new texel arrays 3993 * effective internal format. 3994 */ 3995 else if (formats_differ_in_component_sizes (texFormat, rb->Format)) { 3996 _mesa_error(ctx, GL_INVALID_OPERATION, 3997 "glCopyTexImage%uD(componenet size changed in" 3998 " internal format)", dims); 3999 return; 4000 } 4001 } 4002 4003 assert(texFormat != MESA_FORMAT_NONE); 4004 4005 if (!ctx->Driver.TestProxyTexImage(ctx, proxy_target(target), 4006 0, level, texFormat, 1, 4007 width, height, 1)) { 4008 _mesa_error(ctx, GL_OUT_OF_MEMORY, 4009 "glCopyTexImage%uD(image too large)", dims); 4010 return; 4011 } 4012 4013 if (border && ctx->Const.StripTextureBorder) { 4014 x += border; 4015 width -= border * 2; 4016 if (dims == 2) { 4017 y += border; 4018 height -= border * 2; 4019 } 4020 border = 0; 4021 } 4022 4023 _mesa_lock_texture(ctx, texObj); 4024 { 4025 texImage = _mesa_get_tex_image(ctx, texObj, target, level); 4026 4027 if (!texImage) { 4028 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims); 4029 } 4030 else { 4031 GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0; 4032 const GLuint face = _mesa_tex_target_to_face(target); 4033 4034 /* Free old texture image */ 4035 ctx->Driver.FreeTextureImageBuffer(ctx, texImage); 4036 4037 _mesa_init_teximage_fields(ctx, texImage, width, height, 1, 4038 border, internalFormat, texFormat); 4039 4040 if (width && height) { 4041 /* Allocate texture memory (no pixel data yet) */ 4042 ctx->Driver.AllocTextureImageBuffer(ctx, texImage); 4043 4044 if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY, 4045 &width, &height)) { 4046 struct gl_renderbuffer *srcRb = 4047 get_copy_tex_image_source(ctx, texImage->TexFormat); 4048 4049 copytexsubimage_by_slice(ctx, texImage, dims, 4050 dstX, dstY, dstZ, 4051 srcRb, srcX, srcY, width, height); 4052 } 4053 4054 check_gen_mipmap(ctx, target, texObj, level); 4055 } 4056 4057 _mesa_update_fbo_texture(ctx, texObj, face, level); 4058 4059 _mesa_dirty_texobj(ctx, texObj); 4060 } 4061 } 4062 _mesa_unlock_texture(ctx, texObj); 4063 } 4064 4065 4066 static void 4067 copyteximage_err(struct gl_context *ctx, GLuint dims, GLenum target, 4068 GLint level, GLenum internalFormat, GLint x, GLint y, 4069 GLsizei width, GLsizei height, GLint border) 4070 { 4071 copyteximage(ctx, dims, target, level, internalFormat, x, y, width, height, 4072 border, false); 4073 } 4074 4075 4076 static void 4077 copyteximage_no_error(struct gl_context *ctx, GLuint dims, GLenum target, 4078 GLint level, GLenum internalFormat, GLint x, GLint y, 4079 GLsizei width, GLsizei height, GLint border) 4080 { 4081 copyteximage(ctx, dims, target, level, internalFormat, x, y, width, height, 4082 border, true); 4083 } 4084 4085 4086 void GLAPIENTRY 4087 _mesa_CopyTexImage1D( GLenum target, GLint level, 4088 GLenum internalFormat, 4089 GLint x, GLint y, 4090 GLsizei width, GLint border ) 4091 { 4092 GET_CURRENT_CONTEXT(ctx); 4093 copyteximage_err(ctx, 1, target, level, internalFormat, x, y, width, 1, 4094 border); 4095 } 4096 4097 4098 void GLAPIENTRY 4099 _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, 4100 GLint x, GLint y, GLsizei width, GLsizei height, 4101 GLint border ) 4102 { 4103 GET_CURRENT_CONTEXT(ctx); 4104 copyteximage_err(ctx, 2, target, level, internalFormat, 4105 x, y, width, height, border); 4106 } 4107 4108 4109 void GLAPIENTRY 4110 _mesa_CopyTexImage1D_no_error(GLenum target, GLint level, GLenum internalFormat, 4111 GLint x, GLint y, GLsizei width, GLint border) 4112 { 4113 GET_CURRENT_CONTEXT(ctx); 4114 copyteximage_no_error(ctx, 1, target, level, internalFormat, x, y, width, 1, 4115 border); 4116 } 4117 4118 4119 void GLAPIENTRY 4120 _mesa_CopyTexImage2D_no_error(GLenum target, GLint level, GLenum internalFormat, 4121 GLint x, GLint y, GLsizei width, GLsizei height, 4122 GLint border) 4123 { 4124 GET_CURRENT_CONTEXT(ctx); 4125 copyteximage_no_error(ctx, 2, target, level, internalFormat, 4126 x, y, width, height, border); 4127 } 4128 4129 4130 void GLAPIENTRY 4131 _mesa_CopyTexSubImage1D(GLenum target, GLint level, 4132 GLint xoffset, GLint x, GLint y, GLsizei width) 4133 { 4134 struct gl_texture_object* texObj; 4135 const char *self = "glCopyTexSubImage1D"; 4136 GET_CURRENT_CONTEXT(ctx); 4137 4138 /* Check target (proxies not allowed). Target must be checked prior to 4139 * calling _mesa_get_current_tex_object. 4140 */ 4141 if (!legal_texsubimage_target(ctx, 1, target, false)) { 4142 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, 4143 _mesa_enum_to_string(target)); 4144 return; 4145 } 4146 4147 texObj = _mesa_get_current_tex_object(ctx, target); 4148 if (!texObj) 4149 return; 4150 4151 copy_texture_sub_image_err(ctx, 1, texObj, target, level, xoffset, 0, 0, 4152 x, y, width, 1, self); 4153 } 4154 4155 4156 void GLAPIENTRY 4157 _mesa_CopyTexSubImage2D(GLenum target, GLint level, 4158 GLint xoffset, GLint yoffset, 4159 GLint x, GLint y, GLsizei width, GLsizei height) 4160 { 4161 struct gl_texture_object* texObj; 4162 const char *self = "glCopyTexSubImage2D"; 4163 GET_CURRENT_CONTEXT(ctx); 4164 4165 /* Check target (proxies not allowed). Target must be checked prior to 4166 * calling _mesa_get_current_tex_object. 4167 */ 4168 if (!legal_texsubimage_target(ctx, 2, target, false)) { 4169 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, 4170 _mesa_enum_to_string(target)); 4171 return; 4172 } 4173 4174 texObj = _mesa_get_current_tex_object(ctx, target); 4175 if (!texObj) 4176 return; 4177 4178 copy_texture_sub_image_err(ctx, 2, texObj, target, level, xoffset, yoffset, 4179 0, x, y, width, height, self); 4180 } 4181 4182 4183 void GLAPIENTRY 4184 _mesa_CopyTexSubImage3D(GLenum target, GLint level, 4185 GLint xoffset, GLint yoffset, GLint zoffset, 4186 GLint x, GLint y, GLsizei width, GLsizei height) 4187 { 4188 struct gl_texture_object* texObj; 4189 const char *self = "glCopyTexSubImage3D"; 4190 GET_CURRENT_CONTEXT(ctx); 4191 4192 /* Check target (proxies not allowed). Target must be checked prior to 4193 * calling _mesa_get_current_tex_object. 4194 */ 4195 if (!legal_texsubimage_target(ctx, 3, target, false)) { 4196 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, 4197 _mesa_enum_to_string(target)); 4198 return; 4199 } 4200 4201 texObj = _mesa_get_current_tex_object(ctx, target); 4202 if (!texObj) 4203 return; 4204 4205 copy_texture_sub_image_err(ctx, 3, texObj, target, level, xoffset, yoffset, 4206 zoffset, x, y, width, height, self); 4207 } 4208 4209 4210 void GLAPIENTRY 4211 _mesa_CopyTextureSubImage1D(GLuint texture, GLint level, 4212 GLint xoffset, GLint x, GLint y, GLsizei width) 4213 { 4214 struct gl_texture_object* texObj; 4215 const char *self = "glCopyTextureSubImage1D"; 4216 GET_CURRENT_CONTEXT(ctx); 4217 4218 texObj = _mesa_lookup_texture_err(ctx, texture, self); 4219 if (!texObj) 4220 return; 4221 4222 /* Check target (proxies not allowed). */ 4223 if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) { 4224 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self, 4225 _mesa_enum_to_string(texObj->Target)); 4226 return; 4227 } 4228 4229 copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0, 4230 0, x, y, width, 1, self); 4231 } 4232 4233 4234 void GLAPIENTRY 4235 _mesa_CopyTextureSubImage2D(GLuint texture, GLint level, 4236 GLint xoffset, GLint yoffset, 4237 GLint x, GLint y, GLsizei width, GLsizei height) 4238 { 4239 struct gl_texture_object* texObj; 4240 const char *self = "glCopyTextureSubImage2D"; 4241 GET_CURRENT_CONTEXT(ctx); 4242 4243 texObj = _mesa_lookup_texture_err(ctx, texture, self); 4244 if (!texObj) 4245 return; 4246 4247 /* Check target (proxies not allowed). */ 4248 if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) { 4249 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self, 4250 _mesa_enum_to_string(texObj->Target)); 4251 return; 4252 } 4253 4254 copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset, 4255 yoffset, 0, x, y, width, height, self); 4256 } 4257 4258 4259 void GLAPIENTRY 4260 _mesa_CopyTextureSubImage3D(GLuint texture, GLint level, 4261 GLint xoffset, GLint yoffset, GLint zoffset, 4262 GLint x, GLint y, GLsizei width, GLsizei height) 4263 { 4264 struct gl_texture_object* texObj; 4265 const char *self = "glCopyTextureSubImage3D"; 4266 GET_CURRENT_CONTEXT(ctx); 4267 4268 texObj = _mesa_lookup_texture_err(ctx, texture, self); 4269 if (!texObj) 4270 return; 4271 4272 /* Check target (proxies not allowed). */ 4273 if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) { 4274 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self, 4275 _mesa_enum_to_string(texObj->Target)); 4276 return; 4277 } 4278 4279 if (texObj->Target == GL_TEXTURE_CUBE_MAP) { 4280 /* Act like CopyTexSubImage2D */ 4281 copy_texture_sub_image_err(ctx, 2, texObj, 4282 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset, 4283 level, xoffset, yoffset, 0, x, y, width, height, 4284 self); 4285 } 4286 else 4287 copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset, 4288 yoffset, zoffset, x, y, width, height, self); 4289 } 4290 4291 4292 void GLAPIENTRY 4293 _mesa_CopyTexSubImage1D_no_error(GLenum target, GLint level, GLint xoffset, 4294 GLint x, GLint y, GLsizei width) 4295 { 4296 GET_CURRENT_CONTEXT(ctx); 4297 4298 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target); 4299 copy_texture_sub_image_no_error(ctx, 1, texObj, target, level, xoffset, 0, 0, 4300 x, y, width, 1); 4301 } 4302 4303 4304 void GLAPIENTRY 4305 _mesa_CopyTexSubImage2D_no_error(GLenum target, GLint level, GLint xoffset, 4306 GLint yoffset, GLint x, GLint y, GLsizei width, 4307 GLsizei height) 4308 { 4309 GET_CURRENT_CONTEXT(ctx); 4310 4311 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target); 4312 copy_texture_sub_image_no_error(ctx, 2, texObj, target, level, xoffset, 4313 yoffset, 0, x, y, width, height); 4314 } 4315 4316 4317 void GLAPIENTRY 4318 _mesa_CopyTexSubImage3D_no_error(GLenum target, GLint level, GLint xoffset, 4319 GLint yoffset, GLint zoffset, GLint x, GLint y, 4320 GLsizei width, GLsizei height) 4321 { 4322 GET_CURRENT_CONTEXT(ctx); 4323 4324 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target); 4325 copy_texture_sub_image_no_error(ctx, 3, texObj, target, level, xoffset, 4326 yoffset, zoffset, x, y, width, height); 4327 } 4328 4329 4330 void GLAPIENTRY 4331 _mesa_CopyTextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset, 4332 GLint x, GLint y, GLsizei width) 4333 { 4334 GET_CURRENT_CONTEXT(ctx); 4335 4336 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture); 4337 copy_texture_sub_image_no_error(ctx, 1, texObj, texObj->Target, level, 4338 xoffset, 0, 0, x, y, width, 1); 4339 } 4340 4341 4342 void GLAPIENTRY 4343 _mesa_CopyTextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset, 4344 GLint yoffset, GLint x, GLint y, 4345 GLsizei width, GLsizei height) 4346 { 4347 GET_CURRENT_CONTEXT(ctx); 4348 4349 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture); 4350 copy_texture_sub_image_no_error(ctx, 2, texObj, texObj->Target, level, 4351 xoffset, yoffset, 0, x, y, width, height); 4352 } 4353 4354 4355 void GLAPIENTRY 4356 _mesa_CopyTextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset, 4357 GLint yoffset, GLint zoffset, GLint x, 4358 GLint y, GLsizei width, GLsizei height) 4359 { 4360 GET_CURRENT_CONTEXT(ctx); 4361 4362 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture); 4363 if (texObj->Target == GL_TEXTURE_CUBE_MAP) { 4364 /* Act like CopyTexSubImage2D */ 4365 copy_texture_sub_image_no_error(ctx, 2, texObj, 4366 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset, 4367 level, xoffset, yoffset, 0, x, y, width, 4368 height); 4369 } 4370 else 4371 copy_texture_sub_image_no_error(ctx, 3, texObj, texObj->Target, level, 4372 xoffset, yoffset, zoffset, x, y, width, 4373 height); 4374 } 4375 4376 4377 static bool 4378 check_clear_tex_image(struct gl_context *ctx, 4379 const char *function, 4380 struct gl_texture_image *texImage, 4381 GLenum format, GLenum type, 4382 const void *data, 4383 GLubyte *clearValue) 4384 { 4385 struct gl_texture_object *texObj = texImage->TexObject; 4386 static const GLubyte zeroData[MAX_PIXEL_BYTES]; 4387 GLenum internalFormat = texImage->InternalFormat; 4388 GLenum err; 4389 4390 if (texObj->Target == GL_TEXTURE_BUFFER) { 4391 _mesa_error(ctx, GL_INVALID_OPERATION, 4392 "%s(buffer texture)", function); 4393 return false; 4394 } 4395 4396 if (_mesa_is_compressed_format(ctx, internalFormat)) { 4397 _mesa_error(ctx, GL_INVALID_OPERATION, 4398 "%s(compressed texture)", function); 4399 return false; 4400 } 4401 4402 err = _mesa_error_check_format_and_type(ctx, format, type); 4403 if (err != GL_NO_ERROR) { 4404 _mesa_error(ctx, err, 4405 "%s(incompatible format = %s, type = %s)", 4406 function, 4407 _mesa_enum_to_string(format), 4408 _mesa_enum_to_string(type)); 4409 return false; 4410 } 4411 4412 /* make sure internal format and format basically agree */ 4413 if (!texture_formats_agree(internalFormat, format)) { 4414 _mesa_error(ctx, GL_INVALID_OPERATION, 4415 "%s(incompatible internalFormat = %s, format = %s)", 4416 function, 4417 _mesa_enum_to_string(internalFormat), 4418 _mesa_enum_to_string(format)); 4419 return false; 4420 } 4421 4422 if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) { 4423 /* both source and dest must be integer-valued, or neither */ 4424 if (_mesa_is_format_integer_color(texImage->TexFormat) != 4425 _mesa_is_enum_format_integer(format)) { 4426 _mesa_error(ctx, GL_INVALID_OPERATION, 4427 "%s(integer/non-integer format mismatch)", 4428 function); 4429 return false; 4430 } 4431 } 4432 4433 if (!_mesa_texstore(ctx, 4434 1, /* dims */ 4435 texImage->_BaseFormat, 4436 texImage->TexFormat, 4437 0, /* dstRowStride */ 4438 &clearValue, 4439 1, 1, 1, /* srcWidth/Height/Depth */ 4440 format, type, 4441 data ? data : zeroData, 4442 &ctx->DefaultPacking)) { 4443 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid format)", function); 4444 return false; 4445 } 4446 4447 return true; 4448 } 4449 4450 4451 static struct gl_texture_object * 4452 get_tex_obj_for_clear(struct gl_context *ctx, 4453 const char *function, 4454 GLuint texture) 4455 { 4456 struct gl_texture_object *texObj; 4457 4458 texObj = _mesa_lookup_texture_err(ctx, texture, function); 4459 if (!texObj) 4460 return NULL; 4461 4462 if (texObj->Target == 0) { 4463 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unbound tex)", function); 4464 return NULL; 4465 } 4466 4467 return texObj; 4468 } 4469 4470 4471 /** 4472 * For clearing cube textures, the zoffset and depth parameters indicate 4473 * which cube map faces are to be cleared. This is the one case where we 4474 * need to be concerned with multiple gl_texture_images. This function 4475 * returns the array of texture images to clear for cube maps, or one 4476 * texture image otherwise. 4477 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise. 4478 */ 4479 static int 4480 get_tex_images_for_clear(struct gl_context *ctx, 4481 const char *function, 4482 struct gl_texture_object *texObj, 4483 GLint level, 4484 struct gl_texture_image **texImages) 4485 { 4486 GLenum target; 4487 int numFaces, i; 4488 4489 if (level < 0 || level >= MAX_TEXTURE_LEVELS) { 4490 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function); 4491 return 0; 4492 } 4493 4494 if (texObj->Target == GL_TEXTURE_CUBE_MAP) { 4495 target = GL_TEXTURE_CUBE_MAP_POSITIVE_X; 4496 numFaces = MAX_FACES; 4497 } 4498 else { 4499 target = texObj->Target; 4500 numFaces = 1; 4501 } 4502 4503 for (i = 0; i < numFaces; i++) { 4504 texImages[i] = _mesa_select_tex_image(texObj, target + i, level); 4505 if (texImages[i] == NULL) { 4506 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function); 4507 return 0; 4508 } 4509 } 4510 4511 return numFaces; 4512 } 4513 4514 4515 void GLAPIENTRY 4516 _mesa_ClearTexSubImage(GLuint texture, GLint level, 4517 GLint xoffset, GLint yoffset, GLint zoffset, 4518 GLsizei width, GLsizei height, GLsizei depth, 4519 GLenum format, GLenum type, const void *data) 4520 { 4521 GET_CURRENT_CONTEXT(ctx); 4522 struct gl_texture_object *texObj; 4523 struct gl_texture_image *texImages[MAX_FACES]; 4524 GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES]; 4525 int i, numImages; 4526 int minDepth, maxDepth; 4527 4528 texObj = get_tex_obj_for_clear(ctx, "glClearTexSubImage", texture); 4529 4530 if (texObj == NULL) 4531 return; 4532 4533 _mesa_lock_texture(ctx, texObj); 4534 4535 numImages = get_tex_images_for_clear(ctx, "glClearTexSubImage", 4536 texObj, level, texImages); 4537 if (numImages == 0) 4538 goto out; 4539 4540 if (numImages == 1) { 4541 minDepth = -(int) texImages[0]->Border; 4542 maxDepth = texImages[0]->Depth; 4543 } else { 4544 assert(numImages == MAX_FACES); 4545 minDepth = 0; 4546 maxDepth = numImages; 4547 } 4548 4549 if (xoffset < -(GLint) texImages[0]->Border || 4550 yoffset < -(GLint) texImages[0]->Border || 4551 zoffset < minDepth || 4552 width < 0 || 4553 height < 0 || 4554 depth < 0 || 4555 xoffset + width > texImages[0]->Width || 4556 yoffset + height > texImages[0]->Height || 4557 zoffset + depth > maxDepth) { 4558 _mesa_error(ctx, GL_INVALID_OPERATION, 4559 "glClearSubTexImage(invalid dimensions)"); 4560 goto out; 4561 } 4562 4563 if (numImages == 1) { 4564 if (check_clear_tex_image(ctx, "glClearTexSubImage", texImages[0], 4565 format, type, data, clearValue[0])) { 4566 ctx->Driver.ClearTexSubImage(ctx, 4567 texImages[0], 4568 xoffset, yoffset, zoffset, 4569 width, height, depth, 4570 data ? clearValue[0] : NULL); 4571 } 4572 } else { 4573 /* loop over cube face images */ 4574 for (i = zoffset; i < zoffset + depth; i++) { 4575 assert(i < MAX_FACES); 4576 if (!check_clear_tex_image(ctx, "glClearTexSubImage", texImages[i], 4577 format, type, data, clearValue[i])) 4578 goto out; 4579 } 4580 for (i = zoffset; i < zoffset + depth; i++) { 4581 ctx->Driver.ClearTexSubImage(ctx, 4582 texImages[i], 4583 xoffset, yoffset, 0, 4584 width, height, 1, 4585 data ? clearValue[i] : NULL); 4586 } 4587 } 4588 4589 out: 4590 _mesa_unlock_texture(ctx, texObj); 4591 } 4592 4593 4594 void GLAPIENTRY 4595 _mesa_ClearTexImage( GLuint texture, GLint level, 4596 GLenum format, GLenum type, const void *data ) 4597 { 4598 GET_CURRENT_CONTEXT(ctx); 4599 struct gl_texture_object *texObj; 4600 struct gl_texture_image *texImages[MAX_FACES]; 4601 GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES]; 4602 int i, numImages; 4603 4604 texObj = get_tex_obj_for_clear(ctx, "glClearTexImage", texture); 4605 4606 if (texObj == NULL) 4607 return; 4608 4609 _mesa_lock_texture(ctx, texObj); 4610 4611 numImages = get_tex_images_for_clear(ctx, "glClearTexImage", 4612 texObj, level, texImages); 4613 4614 for (i = 0; i < numImages; i++) { 4615 if (!check_clear_tex_image(ctx, "glClearTexImage", texImages[i], format, 4616 type, data, clearValue[i])) 4617 goto out; 4618 } 4619 4620 for (i = 0; i < numImages; i++) { 4621 ctx->Driver.ClearTexSubImage(ctx, texImages[i], 4622 -(GLint) texImages[i]->Border, /* xoffset */ 4623 -(GLint) texImages[i]->Border, /* yoffset */ 4624 -(GLint) texImages[i]->Border, /* zoffset */ 4625 texImages[i]->Width, 4626 texImages[i]->Height, 4627 texImages[i]->Depth, 4628 data ? clearValue[i] : NULL); 4629 } 4630 4631 out: 4632 _mesa_unlock_texture(ctx, texObj); 4633 } 4634 4635 4636 4637 4638 /**********************************************************************/ 4639 /****** Compressed Textures ******/ 4640 /**********************************************************************/ 4641 4642 4643 /** 4644 * Target checking for glCompressedTexSubImage[123]D(). 4645 * \return GL_TRUE if error, GL_FALSE if no error 4646 * Must come before other error checking so that the texture object can 4647 * be correctly retrieved using _mesa_get_current_tex_object. 4648 */ 4649 static GLboolean 4650 compressed_subtexture_target_check(struct gl_context *ctx, GLenum target, 4651 GLint dims, GLenum format, bool dsa, 4652 const char *caller) 4653 { 4654 GLboolean targetOK; 4655 4656 if (dsa && target == GL_TEXTURE_RECTANGLE) { 4657 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", caller, 4658 _mesa_enum_to_string(target)); 4659 return GL_TRUE; 4660 } 4661 4662 switch (dims) { 4663 case 2: 4664 switch (target) { 4665 case GL_TEXTURE_2D: 4666 targetOK = GL_TRUE; 4667 break; 4668 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 4669 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 4670 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 4671 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 4672 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 4673 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 4674 targetOK = ctx->Extensions.ARB_texture_cube_map; 4675 break; 4676 default: 4677 targetOK = GL_FALSE; 4678 break; 4679 } 4680 break; 4681 case 3: 4682 switch (target) { 4683 case GL_TEXTURE_CUBE_MAP: 4684 targetOK = dsa && ctx->Extensions.ARB_texture_cube_map; 4685 break; 4686 case GL_TEXTURE_2D_ARRAY: 4687 targetOK = _mesa_is_gles3(ctx) || 4688 (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array); 4689 break; 4690 case GL_TEXTURE_CUBE_MAP_ARRAY: 4691 targetOK = _mesa_has_texture_cube_map_array(ctx); 4692 break; 4693 case GL_TEXTURE_3D: 4694 targetOK = GL_TRUE; 4695 /* 4696 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture 4697 * Images: 4698 * "An INVALID_OPERATION error is generated by 4699 * CompressedTex*SubImage3D if the internal format of the texture 4700 * is one of the EAC, ETC2, or RGTC formats and either border is 4701 * non-zero, or the effective target for the texture is not 4702 * TEXTURE_2D_ARRAY." 4703 * 4704 * NOTE: that's probably a spec error. It should probably say 4705 * "... or the effective target for the texture is not 4706 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor 4707 * GL_TEXTURE_CUBE_MAP_ARRAY." 4708 * since those targets are 2D images and they support all compression 4709 * formats. 4710 * 4711 * Instead of listing all these, just list those which are allowed, 4712 * which is (at this time) only bptc. Otherwise we'd say s3tc (and 4713 * more) are valid here, which they are not, but of course not 4714 * mentioned by core spec. 4715 */ 4716 switch (format) { 4717 /* These are the only 3D compression formats supported at this time */ 4718 case GL_COMPRESSED_RGBA_BPTC_UNORM: 4719 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM: 4720 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT: 4721 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT: 4722 /* valid format */ 4723 break; 4724 default: 4725 /* invalid format */ 4726 _mesa_error(ctx, GL_INVALID_OPERATION, 4727 "%s(invalid target %s for format %s)", caller, 4728 _mesa_enum_to_string(target), 4729 _mesa_enum_to_string(format)); 4730 return GL_TRUE; 4731 } 4732 break; 4733 default: 4734 targetOK = GL_FALSE; 4735 } 4736 4737 break; 4738 default: 4739 assert(dims == 1); 4740 /* no 1D compressed textures at this time */ 4741 targetOK = GL_FALSE; 4742 break; 4743 } 4744 4745 if (!targetOK) { 4746 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", caller, 4747 _mesa_enum_to_string(target)); 4748 return GL_TRUE; 4749 } 4750 4751 return GL_FALSE; 4752 } 4753 4754 /** 4755 * Error checking for glCompressedTexSubImage[123]D(). 4756 * \return GL_TRUE if error, GL_FALSE if no error 4757 */ 4758 static GLboolean 4759 compressed_subtexture_error_check(struct gl_context *ctx, GLint dims, 4760 const struct gl_texture_object *texObj, 4761 GLenum target, GLint level, 4762 GLint xoffset, GLint yoffset, GLint zoffset, 4763 GLsizei width, GLsizei height, GLsizei depth, 4764 GLenum format, GLsizei imageSize, 4765 const GLvoid *data, const char *callerName) 4766 { 4767 struct gl_texture_image *texImage; 4768 GLint expectedSize; 4769 4770 /* this will catch any invalid compressed format token */ 4771 if (!_mesa_is_compressed_format(ctx, format)) { 4772 _mesa_error(ctx, GL_INVALID_ENUM, "%s(format)", callerName); 4773 return GL_TRUE; 4774 } 4775 4776 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { 4777 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level); 4778 return GL_TRUE; 4779 } 4780 4781 /* validate the bound PBO, if any */ 4782 if (!_mesa_validate_pbo_source_compressed(ctx, dims, &ctx->Unpack, 4783 imageSize, data, callerName)) { 4784 return GL_TRUE; 4785 } 4786 4787 /* Check for invalid pixel storage modes */ 4788 if (!_mesa_compressed_pixel_storage_error_check(ctx, dims, 4789 &ctx->Unpack, callerName)) { 4790 return GL_TRUE; 4791 } 4792 4793 expectedSize = compressed_tex_size(width, height, depth, format); 4794 if (expectedSize != imageSize) { 4795 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", callerName, imageSize); 4796 return GL_TRUE; 4797 } 4798 4799 texImage = _mesa_select_tex_image(texObj, target, level); 4800 if (!texImage) { 4801 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)", 4802 callerName, level); 4803 return GL_TRUE; 4804 } 4805 4806 if ((GLint) format != texImage->InternalFormat) { 4807 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s)", 4808 callerName, _mesa_enum_to_string(format)); 4809 return GL_TRUE; 4810 } 4811 4812 if (compressedteximage_only_format(ctx, format)) { 4813 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s cannot be updated)", 4814 callerName, _mesa_enum_to_string(format)); 4815 return GL_TRUE; 4816 } 4817 4818 if (error_check_subtexture_negative_dimensions(ctx, dims, width, height, 4819 depth, callerName)) { 4820 return GL_TRUE; 4821 } 4822 4823 if (error_check_subtexture_dimensions(ctx, dims, texImage, xoffset, yoffset, 4824 zoffset, width, height, depth, 4825 callerName)) { 4826 return GL_TRUE; 4827 } 4828 4829 return GL_FALSE; 4830 } 4831 4832 4833 void GLAPIENTRY 4834 _mesa_CompressedTexImage1D(GLenum target, GLint level, 4835 GLenum internalFormat, GLsizei width, 4836 GLint border, GLsizei imageSize, 4837 const GLvoid *data) 4838 { 4839 GET_CURRENT_CONTEXT(ctx); 4840 teximage_err(ctx, GL_TRUE, 1, target, level, internalFormat, 4841 width, 1, 1, border, GL_NONE, GL_NONE, imageSize, data); 4842 } 4843 4844 4845 void GLAPIENTRY 4846 _mesa_CompressedTexImage2D(GLenum target, GLint level, 4847 GLenum internalFormat, GLsizei width, 4848 GLsizei height, GLint border, GLsizei imageSize, 4849 const GLvoid *data) 4850 { 4851 GET_CURRENT_CONTEXT(ctx); 4852 teximage_err(ctx, GL_TRUE, 2, target, level, internalFormat, 4853 width, height, 1, border, GL_NONE, GL_NONE, imageSize, data); 4854 } 4855 4856 4857 void GLAPIENTRY 4858 _mesa_CompressedTexImage3D(GLenum target, GLint level, 4859 GLenum internalFormat, GLsizei width, 4860 GLsizei height, GLsizei depth, GLint border, 4861 GLsizei imageSize, const GLvoid *data) 4862 { 4863 GET_CURRENT_CONTEXT(ctx); 4864 teximage_err(ctx, GL_TRUE, 3, target, level, internalFormat, width, height, 4865 depth, border, GL_NONE, GL_NONE, imageSize, data); 4866 } 4867 4868 4869 void GLAPIENTRY 4870 _mesa_CompressedTexImage1D_no_error(GLenum target, GLint level, 4871 GLenum internalFormat, GLsizei width, 4872 GLint border, GLsizei imageSize, 4873 const GLvoid *data) 4874 { 4875 GET_CURRENT_CONTEXT(ctx); 4876 teximage_no_error(ctx, GL_TRUE, 1, target, level, internalFormat, width, 1, 4877 1, border, GL_NONE, GL_NONE, imageSize, data); 4878 } 4879 4880 4881 void GLAPIENTRY 4882 _mesa_CompressedTexImage2D_no_error(GLenum target, GLint level, 4883 GLenum internalFormat, GLsizei width, 4884 GLsizei height, GLint border, 4885 GLsizei imageSize, const GLvoid *data) 4886 { 4887 GET_CURRENT_CONTEXT(ctx); 4888 teximage_no_error(ctx, GL_TRUE, 2, target, level, internalFormat, width, 4889 height, 1, border, GL_NONE, GL_NONE, imageSize, data); 4890 } 4891 4892 4893 void GLAPIENTRY 4894 _mesa_CompressedTexImage3D_no_error(GLenum target, GLint level, 4895 GLenum internalFormat, GLsizei width, 4896 GLsizei height, GLsizei depth, GLint border, 4897 GLsizei imageSize, const GLvoid *data) 4898 { 4899 GET_CURRENT_CONTEXT(ctx); 4900 teximage_no_error(ctx, GL_TRUE, 3, target, level, internalFormat, width, 4901 height, depth, border, GL_NONE, GL_NONE, imageSize, data); 4902 } 4903 4904 4905 /** 4906 * Common helper for glCompressedTexSubImage1/2/3D() and 4907 * glCompressedTextureSubImage1/2/3D(). 4908 */ 4909 static void 4910 compressed_texture_sub_image(struct gl_context *ctx, GLuint dims, 4911 struct gl_texture_object *texObj, 4912 struct gl_texture_image *texImage, 4913 GLenum target, GLint level, GLint xoffset, 4914 GLint yoffset, GLint zoffset, GLsizei width, 4915 GLsizei height, GLsizei depth, GLenum format, 4916 GLsizei imageSize, const GLvoid *data) 4917 { 4918 FLUSH_VERTICES(ctx, 0); 4919 4920 _mesa_lock_texture(ctx, texObj); 4921 { 4922 if (width > 0 && height > 0 && depth > 0) { 4923 ctx->Driver.CompressedTexSubImage(ctx, dims, texImage, 4924 xoffset, yoffset, zoffset, 4925 width, height, depth, 4926 format, imageSize, data); 4927 4928 check_gen_mipmap(ctx, target, texObj, level); 4929 4930 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed 4931 * the texel data, not the texture format, size, etc. 4932 */ 4933 } 4934 } 4935 _mesa_unlock_texture(ctx, texObj); 4936 } 4937 4938 4939 static ALWAYS_INLINE void 4940 compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture, 4941 GLint level, GLint xoffset, GLint yoffset, 4942 GLint zoffset, GLsizei width, GLsizei height, 4943 GLsizei depth, GLenum format, GLsizei imageSize, 4944 const GLvoid *data, bool dsa, bool no_error, 4945 const char *caller) 4946 { 4947 struct gl_texture_object *texObj = NULL; 4948 struct gl_texture_image *texImage; 4949 4950 GET_CURRENT_CONTEXT(ctx); 4951 4952 if (dsa) { 4953 if (no_error) { 4954 texObj = _mesa_lookup_texture(ctx, texture); 4955 } else { 4956 texObj = _mesa_lookup_texture_err(ctx, texture, caller); 4957 if (!texObj) 4958 return; 4959 } 4960 4961 target = texObj->Target; 4962 } 4963 4964 if (!no_error && 4965 compressed_subtexture_target_check(ctx, target, dim, format, dsa, 4966 caller)) { 4967 return; 4968 } 4969 4970 if (!dsa) { 4971 texObj = _mesa_get_current_tex_object(ctx, target); 4972 if (!no_error && !texObj) 4973 return; 4974 } 4975 4976 if (!no_error && 4977 compressed_subtexture_error_check(ctx, dim, texObj, target, level, 4978 xoffset, yoffset, zoffset, width, 4979 height, depth, format, 4980 imageSize, data, caller)) { 4981 return; 4982 } 4983 4984 /* Must handle special case GL_TEXTURE_CUBE_MAP. */ 4985 if (dim == 3 && dsa && texObj->Target == GL_TEXTURE_CUBE_MAP) { 4986 const char *pixels = data; 4987 GLint image_stride; 4988 4989 /* Make sure the texture object is a proper cube. 4990 * (See texturesubimage in teximage.c for details on why this check is 4991 * performed.) 4992 */ 4993 if (!no_error && !_mesa_cube_level_complete(texObj, level)) { 4994 _mesa_error(ctx, GL_INVALID_OPERATION, 4995 "glCompressedTextureSubImage3D(cube map incomplete)"); 4996 return; 4997 } 4998 4999 /* Copy in each face. */ 5000 for (int i = zoffset; i < zoffset + depth; ++i) { 5001 texImage = texObj->Image[i][level]; 5002 assert(texImage); 5003 5004 compressed_texture_sub_image(ctx, 3, texObj, texImage, 5005 texObj->Target, level, xoffset, yoffset, 5006 0, width, height, 1, format, 5007 imageSize, pixels); 5008 5009 /* Compressed images don't have a client format */ 5010 image_stride = _mesa_format_image_size(texImage->TexFormat, 5011 texImage->Width, 5012 texImage->Height, 1); 5013 5014 pixels += image_stride; 5015 imageSize -= image_stride; 5016 } 5017 } else { 5018 texImage = _mesa_select_tex_image(texObj, target, level); 5019 assert(texImage); 5020 5021 compressed_texture_sub_image(ctx, dim, texObj, texImage, target, level, 5022 xoffset, yoffset, zoffset, width, height, 5023 depth, format, imageSize, data); 5024 } 5025 } 5026 5027 static void 5028 compressed_tex_sub_image_error(unsigned dim, GLenum target, GLuint texture, 5029 GLint level, GLint xoffset, GLint yoffset, 5030 GLint zoffset, GLsizei width, GLsizei height, 5031 GLsizei depth, GLenum format, GLsizei imageSize, 5032 const GLvoid *data, bool dsa, 5033 const char *caller) 5034 { 5035 compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset, 5036 zoffset, width, height, depth, format, imageSize, 5037 data, dsa, false, caller); 5038 } 5039 5040 static void 5041 compressed_tex_sub_image_no_error(unsigned dim, GLenum target, GLuint texture, 5042 GLint level, GLint xoffset, GLint yoffset, 5043 GLint zoffset, GLsizei width, GLsizei height, 5044 GLsizei depth, GLenum format, GLsizei imageSize, 5045 const GLvoid *data, bool dsa, 5046 const char *caller) 5047 { 5048 compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset, 5049 zoffset, width, height, depth, format, imageSize, 5050 data, dsa, true, caller); 5051 } 5052 5053 void GLAPIENTRY 5054 _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level, 5055 GLint xoffset, GLsizei width, 5056 GLenum format, GLsizei imageSize, 5057 const GLvoid *data) 5058 { 5059 compressed_tex_sub_image_no_error(1, target, 0, level, xoffset, 0, 0, width, 5060 1, 1, format, imageSize, data, false, 5061 "glCompressedTexSubImage1D"); 5062 } 5063 5064 5065 void GLAPIENTRY 5066 _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, 5067 GLsizei width, GLenum format, 5068 GLsizei imageSize, const GLvoid *data) 5069 { 5070 compressed_tex_sub_image_error(1, target, 0, level, xoffset, 0, 0, width, 1, 5071 1, format, imageSize, data, false, 5072 "glCompressedTexSubImage1D"); 5073 } 5074 5075 5076 void GLAPIENTRY 5077 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture, GLint level, 5078 GLint xoffset, GLsizei width, 5079 GLenum format, GLsizei imageSize, 5080 const GLvoid *data) 5081 { 5082 compressed_tex_sub_image_no_error(1, 0, texture, level, xoffset, 0, 0, width, 5083 1, 1, format, imageSize, data, true, 5084 "glCompressedTextureSubImage1D"); 5085 } 5086 5087 5088 void GLAPIENTRY 5089 _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset, 5090 GLsizei width, GLenum format, 5091 GLsizei imageSize, const GLvoid *data) 5092 { 5093 compressed_tex_sub_image_error(1, 0, texture, level, xoffset, 0, 0, width, 5094 1, 1, format, imageSize, data, true, 5095 "glCompressedTextureSubImage1D"); 5096 } 5097 5098 void GLAPIENTRY 5099 _mesa_CompressedTexSubImage2D_no_error(GLenum target, GLint level, 5100 GLint xoffset, GLint yoffset, 5101 GLsizei width, GLsizei height, 5102 GLenum format, GLsizei imageSize, 5103 const GLvoid *data) 5104 { 5105 compressed_tex_sub_image_no_error(2, target, 0, level, xoffset, yoffset, 0, 5106 width, height, 1, format, imageSize, data, 5107 false, "glCompressedTexSubImage2D"); 5108 } 5109 5110 5111 void GLAPIENTRY 5112 _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, 5113 GLint yoffset, GLsizei width, GLsizei height, 5114 GLenum format, GLsizei imageSize, 5115 const GLvoid *data) 5116 { 5117 compressed_tex_sub_image_error(2, target, 0, level, xoffset, yoffset, 0, 5118 width, height, 1, format, imageSize, data, 5119 false, "glCompressedTexSubImage2D"); 5120 } 5121 5122 5123 void GLAPIENTRY 5124 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture, GLint level, 5125 GLint xoffset, GLint yoffset, 5126 GLsizei width, GLsizei height, 5127 GLenum format, GLsizei imageSize, 5128 const GLvoid *data) 5129 { 5130 compressed_tex_sub_image_no_error(2, 0, texture, level, xoffset, yoffset, 0, 5131 width, height, 1, format, imageSize, data, 5132 true, "glCompressedTextureSubImage2D"); 5133 } 5134 5135 5136 void GLAPIENTRY 5137 _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset, 5138 GLint yoffset, 5139 GLsizei width, GLsizei height, 5140 GLenum format, GLsizei imageSize, 5141 const GLvoid *data) 5142 { 5143 compressed_tex_sub_image_error(2, 0, texture, level, xoffset, yoffset, 0, 5144 width, height, 1, format, imageSize, data, 5145 true, "glCompressedTextureSubImage2D"); 5146 } 5147 5148 void GLAPIENTRY 5149 _mesa_CompressedTexSubImage3D_no_error(GLenum target, GLint level, 5150 GLint xoffset, GLint yoffset, 5151 GLint zoffset, GLsizei width, 5152 GLsizei height, GLsizei depth, 5153 GLenum format, GLsizei imageSize, 5154 const GLvoid *data) 5155 { 5156 compressed_tex_sub_image_no_error(3, target, 0, level, xoffset, yoffset, 5157 zoffset, width, height, depth, format, 5158 imageSize, data, false, 5159 "glCompressedTexSubImage3D"); 5160 } 5161 5162 void GLAPIENTRY 5163 _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, 5164 GLint yoffset, GLint zoffset, GLsizei width, 5165 GLsizei height, GLsizei depth, GLenum format, 5166 GLsizei imageSize, const GLvoid *data) 5167 { 5168 compressed_tex_sub_image_error(3, target, 0, level, xoffset, yoffset, 5169 zoffset, width, height, depth, format, 5170 imageSize, data, false, 5171 "glCompressedTexSubImage3D"); 5172 } 5173 5174 void GLAPIENTRY 5175 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture, GLint level, 5176 GLint xoffset, GLint yoffset, 5177 GLint zoffset, GLsizei width, 5178 GLsizei height, GLsizei depth, 5179 GLenum format, GLsizei imageSize, 5180 const GLvoid *data) 5181 { 5182 compressed_tex_sub_image_no_error(3, 0, texture, level, xoffset, yoffset, 5183 zoffset, width, height, depth, format, 5184 imageSize, data, true, 5185 "glCompressedTextureSubImage3D"); 5186 } 5187 5188 void GLAPIENTRY 5189 _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset, 5190 GLint yoffset, GLint zoffset, GLsizei width, 5191 GLsizei height, GLsizei depth, 5192 GLenum format, GLsizei imageSize, 5193 const GLvoid *data) 5194 { 5195 compressed_tex_sub_image_error(3, 0, texture, level, xoffset, yoffset, 5196 zoffset, width, height, depth, format, 5197 imageSize, data, true, 5198 "glCompressedTextureSubImage3D"); 5199 } 5200 5201 mesa_format 5202 _mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat) 5203 { 5204 if (ctx->API == API_OPENGL_COMPAT) { 5205 switch (internalFormat) { 5206 case GL_ALPHA8: 5207 return MESA_FORMAT_A_UNORM8; 5208 case GL_ALPHA16: 5209 return MESA_FORMAT_A_UNORM16; 5210 case GL_ALPHA16F_ARB: 5211 return MESA_FORMAT_A_FLOAT16; 5212 case GL_ALPHA32F_ARB: 5213 return MESA_FORMAT_A_FLOAT32; 5214 case GL_ALPHA8I_EXT: 5215 return MESA_FORMAT_A_SINT8; 5216 case GL_ALPHA16I_EXT: 5217 return MESA_FORMAT_A_SINT16; 5218 case GL_ALPHA32I_EXT: 5219 return MESA_FORMAT_A_SINT32; 5220 case GL_ALPHA8UI_EXT: 5221 return MESA_FORMAT_A_UINT8; 5222 case GL_ALPHA16UI_EXT: 5223 return MESA_FORMAT_A_UINT16; 5224 case GL_ALPHA32UI_EXT: 5225 return MESA_FORMAT_A_UINT32; 5226 case GL_LUMINANCE8: 5227 return MESA_FORMAT_L_UNORM8; 5228 case GL_LUMINANCE16: 5229 return MESA_FORMAT_L_UNORM16; 5230 case GL_LUMINANCE16F_ARB: 5231 return MESA_FORMAT_L_FLOAT16; 5232 case GL_LUMINANCE32F_ARB: 5233 return MESA_FORMAT_L_FLOAT32; 5234 case GL_LUMINANCE8I_EXT: 5235 return MESA_FORMAT_L_SINT8; 5236 case GL_LUMINANCE16I_EXT: 5237 return MESA_FORMAT_L_SINT16; 5238 case GL_LUMINANCE32I_EXT: 5239 return MESA_FORMAT_L_SINT32; 5240 case GL_LUMINANCE8UI_EXT: 5241 return MESA_FORMAT_L_UINT8; 5242 case GL_LUMINANCE16UI_EXT: 5243 return MESA_FORMAT_L_UINT16; 5244 case GL_LUMINANCE32UI_EXT: 5245 return MESA_FORMAT_L_UINT32; 5246 case GL_LUMINANCE8_ALPHA8: 5247 return MESA_FORMAT_L8A8_UNORM; 5248 case GL_LUMINANCE16_ALPHA16: 5249 return MESA_FORMAT_L16A16_UNORM; 5250 case GL_LUMINANCE_ALPHA16F_ARB: 5251 return MESA_FORMAT_LA_FLOAT16; 5252 case GL_LUMINANCE_ALPHA32F_ARB: 5253 return MESA_FORMAT_LA_FLOAT32; 5254 case GL_LUMINANCE_ALPHA8I_EXT: 5255 return MESA_FORMAT_LA_SINT8; 5256 case GL_LUMINANCE_ALPHA16I_EXT: 5257 return MESA_FORMAT_LA_SINT16; 5258 case GL_LUMINANCE_ALPHA32I_EXT: 5259 return MESA_FORMAT_LA_SINT32; 5260 case GL_LUMINANCE_ALPHA8UI_EXT: 5261 return MESA_FORMAT_LA_UINT8; 5262 case GL_LUMINANCE_ALPHA16UI_EXT: 5263 return MESA_FORMAT_LA_UINT16; 5264 case GL_LUMINANCE_ALPHA32UI_EXT: 5265 return MESA_FORMAT_LA_UINT32; 5266 case GL_INTENSITY8: 5267 return MESA_FORMAT_I_UNORM8; 5268 case GL_INTENSITY16: 5269 return MESA_FORMAT_I_UNORM16; 5270 case GL_INTENSITY16F_ARB: 5271 return MESA_FORMAT_I_FLOAT16; 5272 case GL_INTENSITY32F_ARB: 5273 return MESA_FORMAT_I_FLOAT32; 5274 case GL_INTENSITY8I_EXT: 5275 return MESA_FORMAT_I_SINT8; 5276 case GL_INTENSITY16I_EXT: 5277 return MESA_FORMAT_I_SINT16; 5278 case GL_INTENSITY32I_EXT: 5279 return MESA_FORMAT_I_SINT32; 5280 case GL_INTENSITY8UI_EXT: 5281 return MESA_FORMAT_I_UINT8; 5282 case GL_INTENSITY16UI_EXT: 5283 return MESA_FORMAT_I_UINT16; 5284 case GL_INTENSITY32UI_EXT: 5285 return MESA_FORMAT_I_UINT32; 5286 default: 5287 break; 5288 } 5289 } 5290 5291 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx) || 5292 _mesa_has_OES_texture_buffer(ctx)) { 5293 switch (internalFormat) { 5294 case GL_RGB32F: 5295 return MESA_FORMAT_RGB_FLOAT32; 5296 case GL_RGB32UI: 5297 return MESA_FORMAT_RGB_UINT32; 5298 case GL_RGB32I: 5299 return MESA_FORMAT_RGB_SINT32; 5300 default: 5301 break; 5302 } 5303 } 5304 5305 switch (internalFormat) { 5306 case GL_RGBA8: 5307 return MESA_FORMAT_R8G8B8A8_UNORM; 5308 case GL_RGBA16: 5309 if (_mesa_is_gles(ctx)) 5310 return MESA_FORMAT_NONE; 5311 return MESA_FORMAT_RGBA_UNORM16; 5312 case GL_RGBA16F_ARB: 5313 return MESA_FORMAT_RGBA_FLOAT16; 5314 case GL_RGBA32F_ARB: 5315 return MESA_FORMAT_RGBA_FLOAT32; 5316 case GL_RGBA8I_EXT: 5317 return MESA_FORMAT_RGBA_SINT8; 5318 case GL_RGBA16I_EXT: 5319 return MESA_FORMAT_RGBA_SINT16; 5320 case GL_RGBA32I_EXT: 5321 return MESA_FORMAT_RGBA_SINT32; 5322 case GL_RGBA8UI_EXT: 5323 return MESA_FORMAT_RGBA_UINT8; 5324 case GL_RGBA16UI_EXT: 5325 return MESA_FORMAT_RGBA_UINT16; 5326 case GL_RGBA32UI_EXT: 5327 return MESA_FORMAT_RGBA_UINT32; 5328 5329 case GL_RG8: 5330 return MESA_FORMAT_R8G8_UNORM; 5331 case GL_RG16: 5332 if (_mesa_is_gles(ctx)) 5333 return MESA_FORMAT_NONE; 5334 return MESA_FORMAT_R16G16_UNORM; 5335 case GL_RG16F: 5336 return MESA_FORMAT_RG_FLOAT16; 5337 case GL_RG32F: 5338 return MESA_FORMAT_RG_FLOAT32; 5339 case GL_RG8I: 5340 return MESA_FORMAT_RG_SINT8; 5341 case GL_RG16I: 5342 return MESA_FORMAT_RG_SINT16; 5343 case GL_RG32I: 5344 return MESA_FORMAT_RG_SINT32; 5345 case GL_RG8UI: 5346 return MESA_FORMAT_RG_UINT8; 5347 case GL_RG16UI: 5348 return MESA_FORMAT_RG_UINT16; 5349 case GL_RG32UI: 5350 return MESA_FORMAT_RG_UINT32; 5351 5352 case GL_R8: 5353 return MESA_FORMAT_R_UNORM8; 5354 case GL_R16: 5355 if (_mesa_is_gles(ctx)) 5356 return MESA_FORMAT_NONE; 5357 return MESA_FORMAT_R_UNORM16; 5358 case GL_R16F: 5359 return MESA_FORMAT_R_FLOAT16; 5360 case GL_R32F: 5361 return MESA_FORMAT_R_FLOAT32; 5362 case GL_R8I: 5363 return MESA_FORMAT_R_SINT8; 5364 case GL_R16I: 5365 return MESA_FORMAT_R_SINT16; 5366 case GL_R32I: 5367 return MESA_FORMAT_R_SINT32; 5368 case GL_R8UI: 5369 return MESA_FORMAT_R_UINT8; 5370 case GL_R16UI: 5371 return MESA_FORMAT_R_UINT16; 5372 case GL_R32UI: 5373 return MESA_FORMAT_R_UINT32; 5374 5375 default: 5376 return MESA_FORMAT_NONE; 5377 } 5378 } 5379 5380 5381 mesa_format 5382 _mesa_validate_texbuffer_format(const struct gl_context *ctx, 5383 GLenum internalFormat) 5384 { 5385 mesa_format format = _mesa_get_texbuffer_format(ctx, internalFormat); 5386 GLenum datatype; 5387 5388 if (format == MESA_FORMAT_NONE) 5389 return MESA_FORMAT_NONE; 5390 5391 datatype = _mesa_get_format_datatype(format); 5392 5393 /* The GL_ARB_texture_buffer_object spec says: 5394 * 5395 * "If ARB_texture_float is not supported, references to the 5396 * floating-point internal formats provided by that extension should be 5397 * removed, and such formats may not be passed to TexBufferARB." 5398 * 5399 * As a result, GL_HALF_FLOAT internal format depends on both 5400 * GL_ARB_texture_float and GL_ARB_half_float_pixel. 5401 */ 5402 if ((datatype == GL_FLOAT || datatype == GL_HALF_FLOAT) && 5403 !ctx->Extensions.ARB_texture_float) 5404 return MESA_FORMAT_NONE; 5405 5406 if (!ctx->Extensions.ARB_texture_rg) { 5407 GLenum base_format = _mesa_get_format_base_format(format); 5408 if (base_format == GL_R || base_format == GL_RG) 5409 return MESA_FORMAT_NONE; 5410 } 5411 5412 if (!ctx->Extensions.ARB_texture_buffer_object_rgb32) { 5413 GLenum base_format = _mesa_get_format_base_format(format); 5414 if (base_format == GL_RGB) 5415 return MESA_FORMAT_NONE; 5416 } 5417 return format; 5418 } 5419 5420 5421 /** 5422 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer 5423 * and glTextureBufferRange, including some error checking. 5424 */ 5425 static void 5426 texture_buffer_range(struct gl_context *ctx, 5427 struct gl_texture_object *texObj, 5428 GLenum internalFormat, 5429 struct gl_buffer_object *bufObj, 5430 GLintptr offset, GLsizeiptr size, 5431 const char *caller) 5432 { 5433 GLintptr oldOffset = texObj->BufferOffset; 5434 GLsizeiptr oldSize = texObj->BufferSize; 5435 mesa_format format; 5436 5437 /* NOTE: ARB_texture_buffer_object has interactions with 5438 * the compatibility profile that are not implemented. 5439 */ 5440 if (!_mesa_has_ARB_texture_buffer_object(ctx) && 5441 !_mesa_has_OES_texture_buffer(ctx)) { 5442 _mesa_error(ctx, GL_INVALID_OPERATION, 5443 "%s(ARB_texture_buffer_object is not" 5444 " implemented for the compatibility profile)", caller); 5445 return; 5446 } 5447 5448 if (texObj->HandleAllocated) { 5449 /* The ARB_bindless_texture spec says: 5450 * 5451 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*, 5452 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other 5453 * functions defined in terms of these, if the texture object to be 5454 * modified is referenced by one or more texture or image handles." 5455 */ 5456 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable texture)", caller); 5457 return; 5458 } 5459 5460 format = _mesa_validate_texbuffer_format(ctx, internalFormat); 5461 if (format == MESA_FORMAT_NONE) { 5462 _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat %s)", 5463 caller, _mesa_enum_to_string(internalFormat)); 5464 return; 5465 } 5466 5467 FLUSH_VERTICES(ctx, 0); 5468 5469 _mesa_lock_texture(ctx, texObj); 5470 { 5471 _mesa_reference_buffer_object(ctx, &texObj->BufferObject, bufObj); 5472 texObj->BufferObjectFormat = internalFormat; 5473 texObj->_BufferObjectFormat = format; 5474 texObj->BufferOffset = offset; 5475 texObj->BufferSize = size; 5476 } 5477 _mesa_unlock_texture(ctx, texObj); 5478 5479 if (ctx->Driver.TexParameter) { 5480 if (offset != oldOffset) { 5481 ctx->Driver.TexParameter(ctx, texObj, GL_TEXTURE_BUFFER_OFFSET); 5482 } 5483 if (size != oldSize) { 5484 ctx->Driver.TexParameter(ctx, texObj, GL_TEXTURE_BUFFER_SIZE); 5485 } 5486 } 5487 5488 ctx->NewDriverState |= ctx->DriverFlags.NewTextureBuffer; 5489 5490 if (bufObj) { 5491 bufObj->UsageHistory |= USAGE_TEXTURE_BUFFER; 5492 } 5493 } 5494 5495 5496 /** 5497 * Make sure the texture buffer target is GL_TEXTURE_BUFFER. 5498 * Return true if it is, and return false if it is not 5499 * (and throw INVALID ENUM as dictated in the OpenGL 4.5 5500 * core spec, 02.02.2015, PDF page 245). 5501 */ 5502 static bool 5503 check_texture_buffer_target(struct gl_context *ctx, GLenum target, 5504 const char *caller) 5505 { 5506 if (target != GL_TEXTURE_BUFFER_ARB) { 5507 _mesa_error(ctx, GL_INVALID_ENUM, 5508 "%s(texture target is not GL_TEXTURE_BUFFER)", caller); 5509 return false; 5510 } 5511 else 5512 return true; 5513 } 5514 5515 /** 5516 * Check for errors related to the texture buffer range. 5517 * Return false if errors are found, true if none are found. 5518 */ 5519 static bool 5520 check_texture_buffer_range(struct gl_context *ctx, 5521 struct gl_buffer_object *bufObj, 5522 GLintptr offset, GLsizeiptr size, 5523 const char *caller) 5524 { 5525 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer 5526 * Textures (PDF page 245): 5527 * "An INVALID_VALUE error is generated if offset is negative, if 5528 * size is less than or equal to zero, or if offset + size is greater 5529 * than the value of BUFFER_SIZE for the buffer bound to target." 5530 */ 5531 if (offset < 0) { 5532 _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset=%d < 0)", caller, 5533 (int) offset); 5534 return false; 5535 } 5536 5537 if (size <= 0) { 5538 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d <= 0)", caller, 5539 (int) size); 5540 return false; 5541 } 5542 5543 if (offset + size > bufObj->Size) { 5544 _mesa_error(ctx, GL_INVALID_VALUE, 5545 "%s(offset=%d + size=%d > buffer_size=%d)", caller, 5546 (int) offset, (int) size, (int) bufObj->Size); 5547 return false; 5548 } 5549 5550 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer 5551 * Textures (PDF page 245): 5552 * "An INVALID_VALUE error is generated if offset is not an integer 5553 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT." 5554 */ 5555 if (offset % ctx->Const.TextureBufferOffsetAlignment) { 5556 _mesa_error(ctx, GL_INVALID_VALUE, 5557 "%s(invalid offset alignment)", caller); 5558 return false; 5559 } 5560 5561 return true; 5562 } 5563 5564 5565 /** GL_ARB_texture_buffer_object */ 5566 void GLAPIENTRY 5567 _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer) 5568 { 5569 struct gl_texture_object *texObj; 5570 struct gl_buffer_object *bufObj; 5571 5572 GET_CURRENT_CONTEXT(ctx); 5573 5574 /* Need to catch a bad target before it gets to 5575 * _mesa_get_current_tex_object. 5576 */ 5577 if (!check_texture_buffer_target(ctx, target, "glTexBuffer")) 5578 return; 5579 5580 if (buffer) { 5581 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBuffer"); 5582 if (!bufObj) 5583 return; 5584 } else 5585 bufObj = NULL; 5586 5587 texObj = _mesa_get_current_tex_object(ctx, target); 5588 if (!texObj) 5589 return; 5590 5591 texture_buffer_range(ctx, texObj, internalFormat, bufObj, 0, 5592 buffer ? -1 : 0, "glTexBuffer"); 5593 } 5594 5595 5596 /** GL_ARB_texture_buffer_range */ 5597 void GLAPIENTRY 5598 _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer, 5599 GLintptr offset, GLsizeiptr size) 5600 { 5601 struct gl_texture_object *texObj; 5602 struct gl_buffer_object *bufObj; 5603 5604 GET_CURRENT_CONTEXT(ctx); 5605 5606 /* Need to catch a bad target before it gets to 5607 * _mesa_get_current_tex_object. 5608 */ 5609 if (!check_texture_buffer_target(ctx, target, "glTexBufferRange")) 5610 return; 5611 5612 if (buffer) { 5613 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBufferRange"); 5614 if (!bufObj) 5615 return; 5616 5617 if (!check_texture_buffer_range(ctx, bufObj, offset, size, 5618 "glTexBufferRange")) 5619 return; 5620 5621 } else { 5622 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer 5623 * Textures (PDF page 254): 5624 * "If buffer is zero, then any buffer object attached to the buffer 5625 * texture is detached, the values offset and size are ignored and 5626 * the state for offset and size for the buffer texture are reset to 5627 * zero." 5628 */ 5629 offset = 0; 5630 size = 0; 5631 bufObj = NULL; 5632 } 5633 5634 texObj = _mesa_get_current_tex_object(ctx, target); 5635 if (!texObj) 5636 return; 5637 5638 texture_buffer_range(ctx, texObj, internalFormat, bufObj, 5639 offset, size, "glTexBufferRange"); 5640 } 5641 5642 void GLAPIENTRY 5643 _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer) 5644 { 5645 struct gl_texture_object *texObj; 5646 struct gl_buffer_object *bufObj; 5647 5648 GET_CURRENT_CONTEXT(ctx); 5649 5650 if (buffer) { 5651 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer"); 5652 if (!bufObj) 5653 return; 5654 } else 5655 bufObj = NULL; 5656 5657 /* Get the texture object by Name. */ 5658 texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBuffer"); 5659 if (!texObj) 5660 return; 5661 5662 if (!check_texture_buffer_target(ctx, texObj->Target, "glTextureBuffer")) 5663 return; 5664 5665 texture_buffer_range(ctx, texObj, internalFormat, 5666 bufObj, 0, buffer ? -1 : 0, "glTextureBuffer"); 5667 } 5668 5669 void GLAPIENTRY 5670 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer, 5671 GLintptr offset, GLsizeiptr size) 5672 { 5673 struct gl_texture_object *texObj; 5674 struct gl_buffer_object *bufObj; 5675 5676 GET_CURRENT_CONTEXT(ctx); 5677 5678 if (buffer) { 5679 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, 5680 "glTextureBufferRange"); 5681 if (!bufObj) 5682 return; 5683 5684 if (!check_texture_buffer_range(ctx, bufObj, offset, size, 5685 "glTextureBufferRange")) 5686 return; 5687 5688 } else { 5689 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer 5690 * Textures (PDF page 254): 5691 * "If buffer is zero, then any buffer object attached to the buffer 5692 * texture is detached, the values offset and size are ignored and 5693 * the state for offset and size for the buffer texture are reset to 5694 * zero." 5695 */ 5696 offset = 0; 5697 size = 0; 5698 bufObj = NULL; 5699 } 5700 5701 /* Get the texture object by Name. */ 5702 texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBufferRange"); 5703 if (!texObj) 5704 return; 5705 5706 if (!check_texture_buffer_target(ctx, texObj->Target, 5707 "glTextureBufferRange")) 5708 return; 5709 5710 texture_buffer_range(ctx, texObj, internalFormat, 5711 bufObj, offset, size, "glTextureBufferRange"); 5712 } 5713 5714 GLboolean 5715 _mesa_is_renderable_texture_format(const struct gl_context *ctx, 5716 GLenum internalformat) 5717 { 5718 /* Everything that is allowed for renderbuffers, 5719 * except for a base format of GL_STENCIL_INDEX, unless supported. 5720 */ 5721 GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat); 5722 if (ctx->Extensions.ARB_texture_stencil8) 5723 return baseFormat != 0; 5724 else 5725 return baseFormat != 0 && baseFormat != GL_STENCIL_INDEX; 5726 } 5727 5728 5729 /** GL_ARB_texture_multisample */ 5730 static GLboolean 5731 check_multisample_target(GLuint dims, GLenum target, bool dsa) 5732 { 5733 switch(target) { 5734 case GL_TEXTURE_2D_MULTISAMPLE: 5735 return dims == 2; 5736 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 5737 return dims == 2 && !dsa; 5738 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 5739 return dims == 3; 5740 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 5741 return dims == 3 && !dsa; 5742 default: 5743 return GL_FALSE; 5744 } 5745 } 5746 5747 5748 static void 5749 texture_image_multisample(struct gl_context *ctx, GLuint dims, 5750 struct gl_texture_object *texObj, 5751 struct gl_memory_object *memObj, 5752 GLenum target, GLsizei samples, 5753 GLint internalformat, GLsizei width, 5754 GLsizei height, GLsizei depth, 5755 GLboolean fixedsamplelocations, 5756 GLboolean immutable, GLuint64 offset, 5757 const char *func) 5758 { 5759 struct gl_texture_image *texImage; 5760 GLboolean sizeOK, dimensionsOK, samplesOK; 5761 mesa_format texFormat; 5762 GLenum sample_count_error; 5763 bool dsa = strstr(func, "ture") ? true : false; 5764 5765 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) { 5766 _mesa_debug(ctx, "%s(target=%s, samples=%d)\n", func, 5767 _mesa_enum_to_string(target), samples); 5768 } 5769 5770 if (!((ctx->Extensions.ARB_texture_multisample 5771 && _mesa_is_desktop_gl(ctx))) && !_mesa_is_gles31(ctx)) { 5772 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func); 5773 return; 5774 } 5775 5776 if (samples < 1) { 5777 _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples < 1)", func); 5778 return; 5779 } 5780 5781 if (!check_multisample_target(dims, target, dsa)) { 5782 GLenum err = dsa ? GL_INVALID_OPERATION : GL_INVALID_ENUM; 5783 _mesa_error(ctx, err, "%s(target=%s)", func, 5784 _mesa_enum_to_string(target)); 5785 return; 5786 } 5787 5788 /* check that the specified internalformat is color/depth/stencil-renderable; 5789 * refer GL3.1 spec 4.4.4 5790 */ 5791 5792 if (immutable && !_mesa_is_legal_tex_storage_format(ctx, internalformat)) { 5793 _mesa_error(ctx, GL_INVALID_ENUM, 5794 "%s(internalformat=%s not legal for immutable-format)", 5795 func, _mesa_enum_to_string(internalformat)); 5796 return; 5797 } 5798 5799 if (!_mesa_is_renderable_texture_format(ctx, internalformat)) { 5800 /* Page 172 of OpenGL ES 3.1 spec says: 5801 * "An INVALID_ENUM error is generated if sizedinternalformat is not 5802 * color-renderable, depth-renderable, or stencil-renderable (as 5803 * defined in section 9.4). 5804 * 5805 * (Same error is also defined for desktop OpenGL for multisample 5806 * teximage/texstorage functions.) 5807 */ 5808 _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalformat=%s)", func, 5809 _mesa_enum_to_string(internalformat)); 5810 return; 5811 } 5812 5813 sample_count_error = _mesa_check_sample_count(ctx, target, 5814 internalformat, samples); 5815 samplesOK = sample_count_error == GL_NO_ERROR; 5816 5817 /* Page 254 of OpenGL 4.4 spec says: 5818 * "Proxy arrays for two-dimensional multisample and two-dimensional 5819 * multisample array textures are operated on in the same way when 5820 * TexImage2DMultisample is called with target specified as 5821 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called 5822 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY. 5823 * However, if samples is not supported, then no error is generated. 5824 */ 5825 if (!samplesOK && !_mesa_is_proxy_texture(target)) { 5826 _mesa_error(ctx, sample_count_error, "%s(samples=%d)", func, samples); 5827 return; 5828 } 5829 5830 if (immutable && (!texObj || (texObj->Name == 0))) { 5831 _mesa_error(ctx, GL_INVALID_OPERATION, 5832 "%s(texture object 0)", 5833 func); 5834 return; 5835 } 5836 5837 texImage = _mesa_get_tex_image(ctx, texObj, 0, 0); 5838 5839 if (texImage == NULL) { 5840 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", func); 5841 return; 5842 } 5843 5844 texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0, 5845 internalformat, GL_NONE, GL_NONE); 5846 assert(texFormat != MESA_FORMAT_NONE); 5847 5848 dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0, 5849 width, height, depth, 0); 5850 5851 sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, 0, texFormat, 5852 samples, width, height, depth); 5853 5854 if (_mesa_is_proxy_texture(target)) { 5855 if (samplesOK && dimensionsOK && sizeOK) { 5856 _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0, 5857 internalformat, texFormat, 5858 samples, fixedsamplelocations); 5859 } 5860 else { 5861 /* clear all image fields */ 5862 clear_teximage_fields(texImage); 5863 } 5864 } 5865 else { 5866 if (!dimensionsOK) { 5867 _mesa_error(ctx, GL_INVALID_VALUE, 5868 "%s(invalid width=%d or height=%d)", func, width, height); 5869 return; 5870 } 5871 5872 if (!sizeOK) { 5873 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(texture too large)", func); 5874 return; 5875 } 5876 5877 /* Check if texObj->Immutable is set */ 5878 if (texObj->Immutable) { 5879 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func); 5880 return; 5881 } 5882 5883 ctx->Driver.FreeTextureImageBuffer(ctx, texImage); 5884 5885 _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0, 5886 internalformat, texFormat, 5887 samples, fixedsamplelocations); 5888 5889 if (width > 0 && height > 0 && depth > 0) { 5890 if (memObj) { 5891 if (!ctx->Driver.SetTextureStorageForMemoryObject(ctx, texObj, 5892 memObj, 1, width, 5893 height, depth, 5894 offset)) { 5895 5896 _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0, 5897 internalformat, texFormat); 5898 } 5899 } else { 5900 if (!ctx->Driver.AllocTextureStorage(ctx, texObj, 1, 5901 width, height, depth)) { 5902 /* tidy up the texture image state. strictly speaking, 5903 * we're allowed to just leave this in whatever state we 5904 * like, but being tidy is good. 5905 */ 5906 _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0, 5907 internalformat, texFormat); 5908 } 5909 } 5910 } 5911 5912 texObj->Immutable |= immutable; 5913 5914 if (immutable) { 5915 _mesa_set_texture_view_state(ctx, texObj, target, 1); 5916 } 5917 5918 _mesa_update_fbo_texture(ctx, texObj, 0, 0); 5919 } 5920 } 5921 5922 5923 void GLAPIENTRY 5924 _mesa_TexImage2DMultisample(GLenum target, GLsizei samples, 5925 GLenum internalformat, GLsizei width, 5926 GLsizei height, GLboolean fixedsamplelocations) 5927 { 5928 struct gl_texture_object *texObj; 5929 GET_CURRENT_CONTEXT(ctx); 5930 5931 texObj = _mesa_get_current_tex_object(ctx, target); 5932 if (!texObj) 5933 return; 5934 5935 texture_image_multisample(ctx, 2, texObj, NULL, target, samples, 5936 internalformat, width, height, 1, 5937 fixedsamplelocations, GL_FALSE, 0, 5938 "glTexImage2DMultisample"); 5939 } 5940 5941 5942 void GLAPIENTRY 5943 _mesa_TexImage3DMultisample(GLenum target, GLsizei samples, 5944 GLenum internalformat, GLsizei width, 5945 GLsizei height, GLsizei depth, 5946 GLboolean fixedsamplelocations) 5947 { 5948 struct gl_texture_object *texObj; 5949 GET_CURRENT_CONTEXT(ctx); 5950 5951 texObj = _mesa_get_current_tex_object(ctx, target); 5952 if (!texObj) 5953 return; 5954 5955 texture_image_multisample(ctx, 3, texObj, NULL, target, samples, 5956 internalformat, width, height, depth, 5957 fixedsamplelocations, GL_FALSE, 0, 5958 "glTexImage3DMultisample"); 5959 } 5960 5961 static bool 5962 valid_texstorage_ms_parameters(GLsizei width, GLsizei height, GLsizei depth, 5963 GLsizei samples, unsigned dims) 5964 { 5965 GET_CURRENT_CONTEXT(ctx); 5966 5967 if (!_mesa_valid_tex_storage_dim(width, height, depth)) { 5968 _mesa_error(ctx, GL_INVALID_VALUE, 5969 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)", 5970 dims, width, height, depth); 5971 return false; 5972 } 5973 return true; 5974 } 5975 5976 void GLAPIENTRY 5977 _mesa_TexStorage2DMultisample(GLenum target, GLsizei samples, 5978 GLenum internalformat, GLsizei width, 5979 GLsizei height, GLboolean fixedsamplelocations) 5980 { 5981 struct gl_texture_object *texObj; 5982 GET_CURRENT_CONTEXT(ctx); 5983 5984 texObj = _mesa_get_current_tex_object(ctx, target); 5985 if (!texObj) 5986 return; 5987 5988 if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2)) 5989 return; 5990 5991 texture_image_multisample(ctx, 2, texObj, NULL, target, samples, 5992 internalformat, width, height, 1, 5993 fixedsamplelocations, GL_TRUE, 0, 5994 "glTexStorage2DMultisample"); 5995 } 5996 5997 void GLAPIENTRY 5998 _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples, 5999 GLenum internalformat, GLsizei width, 6000 GLsizei height, GLsizei depth, 6001 GLboolean fixedsamplelocations) 6002 { 6003 struct gl_texture_object *texObj; 6004 GET_CURRENT_CONTEXT(ctx); 6005 6006 texObj = _mesa_get_current_tex_object(ctx, target); 6007 if (!texObj) 6008 return; 6009 6010 if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3)) 6011 return; 6012 6013 texture_image_multisample(ctx, 3, texObj, NULL, target, samples, 6014 internalformat, width, height, depth, 6015 fixedsamplelocations, GL_TRUE, 0, 6016 "glTexStorage3DMultisample"); 6017 } 6018 6019 void GLAPIENTRY 6020 _mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples, 6021 GLenum internalformat, GLsizei width, 6022 GLsizei height, 6023 GLboolean fixedsamplelocations) 6024 { 6025 struct gl_texture_object *texObj; 6026 GET_CURRENT_CONTEXT(ctx); 6027 6028 texObj = _mesa_lookup_texture_err(ctx, texture, 6029 "glTextureStorage2DMultisample"); 6030 if (!texObj) 6031 return; 6032 6033 if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2)) 6034 return; 6035 6036 texture_image_multisample(ctx, 2, texObj, NULL, texObj->Target, 6037 samples, internalformat, width, height, 1, 6038 fixedsamplelocations, GL_TRUE, 0, 6039 "glTextureStorage2DMultisample"); 6040 } 6041 6042 void GLAPIENTRY 6043 _mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples, 6044 GLenum internalformat, GLsizei width, 6045 GLsizei height, GLsizei depth, 6046 GLboolean fixedsamplelocations) 6047 { 6048 struct gl_texture_object *texObj; 6049 GET_CURRENT_CONTEXT(ctx); 6050 6051 /* Get the texture object by Name. */ 6052 texObj = _mesa_lookup_texture_err(ctx, texture, 6053 "glTextureStorage3DMultisample"); 6054 if (!texObj) 6055 return; 6056 6057 if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3)) 6058 return; 6059 6060 texture_image_multisample(ctx, 3, texObj, NULL, texObj->Target, samples, 6061 internalformat, width, height, depth, 6062 fixedsamplelocations, GL_TRUE, 0, 6063 "glTextureStorage3DMultisample"); 6064 } 6065 6066 void 6067 _mesa_texture_storage_ms_memory(struct gl_context *ctx, GLuint dims, 6068 struct gl_texture_object *texObj, 6069 struct gl_memory_object *memObj, 6070 GLenum target, GLsizei samples, 6071 GLenum internalFormat, GLsizei width, 6072 GLsizei height, GLsizei depth, 6073 GLboolean fixedSampleLocations, 6074 GLuint64 offset, const char* func) 6075 { 6076 assert(memObj); 6077 6078 texture_image_multisample(ctx, dims, texObj, memObj, target, samples, 6079 internalFormat, width, height, depth, 6080 fixedSampleLocations, GL_TRUE, offset, 6081 func); 6082 } 6083