src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c

   1 /*
   2  * Copyright (C) 2009 Maciej Cencora.
   3  * Copyright (C) 2008 Nicolai Haehnle.
   4  *
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining
   8  * a copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sublicense, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial
  17  * portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  22  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  23  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  */
  28
  29 #include "radeon_mipmap_tree.h"
  30
  31 #include <errno.h>
  32 #include <unistd.h>
  33
  34 #include "main/simple_list.h"
  35 #include "main/teximage.h"
  36 #include "main/texobj.h"
  37 #include "main/enums.h"
  38 #include "radeon_texture.h"
  39 #include "radeon_tile.h"
  40
  41 static unsigned get_aligned_compressed_row_stride(
  42                 gl_format format,
  43                 unsigned width,
  44                 unsigned minStride)
  45 {
  46         const unsigned blockBytes = _mesa_get_format_bytes(format);
  47         unsigned blockWidth, blockHeight;
  48         unsigned stride;
  49
  50         _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
  51
  52         /* Count number of blocks required to store the given width.
  53          * And then multiple it with bytes required to store a block.
  54          */
  55         stride = (width + blockWidth - 1) / blockWidth * blockBytes;
  56
  57         /* Round the given minimum stride to the next full blocksize.
  58          * (minStride + blockBytes - 1) / blockBytes * blockBytes
  59          */
  60         if ( stride < minStride )
  61                 stride = (minStride + blockBytes - 1) / blockBytes * blockBytes;
  62
  63         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
  64                         "%s width %u, minStride %u, block(bytes %u, width %u):"
  65                         "stride %u\n",
  66                         __func__, width, minStride,
  67                         blockBytes, blockWidth,
  68                         stride);
  69
  70         return stride;
  71 }
  72
  73 unsigned get_texture_image_size(
  74                 gl_format format,
  75                 unsigned rowStride,
  76                 unsigned height,
  77                 unsigned depth,
  78                 unsigned tiling)
  79 {
  80         if (_mesa_is_format_compressed(format)) {
  81                 unsigned blockWidth, blockHeight;
  82
  83                 _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
  84
  85                 return rowStride * ((height + blockHeight - 1) / blockHeight) * depth;
  86         } else if (tiling) {
  87                 /* Need to align height to tile height */
  88                 unsigned tileWidth, tileHeight;
  89
  90                 get_tile_size(format, &tileWidth, &tileHeight);
  91                 tileHeight--;
  92
  93                 height = (height + tileHeight) & ~tileHeight;
  94         }
  95
  96         return rowStride * height * depth;
  97 }
  98
  99 unsigned get_texture_image_row_stride(radeonContextPtr rmesa, gl_format format, unsigned width, unsigned tiling)
 100 {
 101         if (_mesa_is_format_compressed(format)) {
 102                 return get_aligned_compressed_row_stride(format, width, rmesa->texture_compressed_row_align);
 103         } else {
 104                 unsigned row_align;
 105
 106                 if (!_mesa_is_pow_two(width)) {
 107                         row_align = rmesa->texture_rect_row_align - 1;
 108                 } else if (tiling) {
 109                         unsigned tileWidth, tileHeight;
 110                         get_tile_size(format, &tileWidth, &tileHeight);
 111                         row_align = tileWidth * _mesa_get_format_bytes(format) - 1;
 112                 } else {
 113                         row_align = rmesa->texture_row_align - 1;
 114                 }
 115
 116                 return (_mesa_format_row_stride(format, width) + row_align) & ~row_align;
 117         }
 118 }
 119
 120 /**
 121  * Compute sizes and fill in offset and blit information for the given
 122  * image (determined by \p face and \p level).
 123  *
 124  * \param curOffset points to the offset at which the image is to be stored
 125  * and is updated by this function according to the size of the image.
 126  */
 127 static void compute_tex_image_offset(radeonContextPtr rmesa, radeon_mipmap_tree *mt,
 128         GLuint face, GLuint level, GLuint* curOffset)
 129 {
 130         radeon_mipmap_level *lvl = &mt->levels[level];
 131         GLuint height;
 132
 133         height = _mesa_next_pow_two_32(lvl->height);
 134
 135         lvl->rowstride = get_texture_image_row_stride(rmesa, mt->mesaFormat, lvl->width, mt->tilebits);
 136         lvl->size = get_texture_image_size(mt->mesaFormat, lvl->rowstride, lvl->height, lvl->depth, mt->tilebits);
 137
 138         assert(lvl->size > 0);
 139
 140         lvl->faces[face].offset = *curOffset;
 141         *curOffset += lvl->size;
 142
 143         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 144                         "%s(%p) level %d, face %d: rs:%d %dx%d at %d\n",
 145                         __func__, rmesa,
 146                         level, face,
 147                         lvl->rowstride, lvl->width, height, lvl->faces[face].offset);
 148 }
 149
 150 static GLuint minify(GLuint size, GLuint levels)
 151 {
 152         size = size >> levels;
 153         if (size < 1)
 154                 size = 1;
 155         return size;
 156 }
 157
 158
 159 static void calculate_miptree_layout_r100(radeonContextPtr rmesa, radeon_mipmap_tree *mt)
 160 {
 161         GLuint curOffset, i, face, level;
 162
 163         assert(mt->numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
 164
 165         curOffset = 0;
 166         for(face = 0; face < mt->faces; face++) {
 167
 168                 for(i = 0, level = mt->baseLevel; i < mt->numLevels; i++, level++) {
 169                         mt->levels[level].valid = 1;
 170                         mt->levels[level].width = minify(mt->width0, i);
 171                         mt->levels[level].height = minify(mt->height0, i);
 172                         mt->levels[level].depth = minify(mt->depth0, i);
 173                         compute_tex_image_offset(rmesa, mt, face, level, &curOffset);
 174                 }
 175         }
 176
 177         /* Note the required size in memory */
 178         mt->totalsize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
 179
 180         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 181                         "%s(%p, %p) total size %d\n",
 182                         __func__, rmesa, mt, mt->totalsize);
 183 }
 184
 185 static void calculate_miptree_layout_r300(radeonContextPtr rmesa, radeon_mipmap_tree *mt)
 186 {
 187         GLuint curOffset, i, level;
 188
 189         assert(mt->numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
 190
 191         curOffset = 0;
 192         for(i = 0, level = mt->baseLevel; i < mt->numLevels; i++, level++) {
 193                 GLuint face;
 194
 195                 mt->levels[level].valid = 1;
 196                 mt->levels[level].width = minify(mt->width0, i);
 197                 mt->levels[level].height = minify(mt->height0, i);
 198                 mt->levels[level].depth = minify(mt->depth0, i);
 199
 200                 for(face = 0; face < mt->faces; face++)
 201                         compute_tex_image_offset(rmesa, mt, face, level, &curOffset);
 202                 /* r600 cube levels seems to be aligned to 8 faces but
 203                  * we have separate register for 1'st level offset so add
 204                  * 2 image alignment after 1'st mip level */
 205                 if(rmesa->radeonScreen->chip_family >= CHIP_FAMILY_R600 &&
 206                    mt->target == GL_TEXTURE_CUBE_MAP && level >= 1)
 207                         curOffset += 2 * mt->levels[level].size;
 208         }
 209
 210         /* Note the required size in memory */
 211         mt->totalsize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
 212
 213         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 214                         "%s(%p, %p) total size %d\n",
 215                         __func__, rmesa, mt, mt->totalsize);
 216 }
 217
 218 /**
 219  * Create a new mipmap tree, calculate its layout and allocate memory.
 220  */
 221 static radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa,
 222                 GLenum target, gl_format mesaFormat, GLuint baseLevel, GLuint numLevels,
 223                 GLuint width0, GLuint height0, GLuint depth0, GLuint tilebits)
 224 {
 225         radeon_mipmap_tree *mt = CALLOC_STRUCT(_radeon_mipmap_tree);
 226
 227         radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
 228                 "%s(%p) new tree is %p.\n",
 229                 __func__, rmesa, mt);
 230
 231         mt->mesaFormat = mesaFormat;
 232         mt->refcount = 1;
 233         mt->target = target;
 234         mt->faces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
 235         mt->baseLevel = baseLevel;
 236         mt->numLevels = numLevels;
 237         mt->width0 = width0;
 238         mt->height0 = height0;
 239         mt->depth0 = depth0;
 240         mt->tilebits = tilebits;
 241
 242         if (rmesa->radeonScreen->chip_family >= CHIP_FAMILY_R300)
 243                 calculate_miptree_layout_r300(rmesa, mt);
 244         else
 245                 calculate_miptree_layout_r100(rmesa, mt);
 246
 247         mt->bo = radeon_bo_open(rmesa->radeonScreen->bom,
 248                             0, mt->totalsize, 1024,
 249                             RADEON_GEM_DOMAIN_VRAM,
 250                             0);
 251
 252         return mt;
 253 }
 254
 255 void radeon_miptree_reference(radeon_mipmap_tree *mt, radeon_mipmap_tree **ptr)
 256 {
 257         assert(!*ptr);
 258
 259         mt->refcount++;
 260         assert(mt->refcount > 0);
 261
 262         *ptr = mt;
 263 }
 264
 265 void radeon_miptree_unreference(radeon_mipmap_tree **ptr)
 266 {
 267         radeon_mipmap_tree *mt = *ptr;
 268         if (!mt)
 269                 return;
 270
 271         assert(mt->refcount > 0);
 272
 273         mt->refcount--;
 274         if (!mt->refcount) {
 275                 radeon_bo_unref(mt->bo);
 276                 free(mt);
 277         }
 278
 279         *ptr = 0;
 280 }
 281
 282 /**
 283  * Calculate min and max LOD for the given texture object.
 284  * @param[in] tObj texture object whose LOD values to calculate
 285  * @param[out] pminLod minimal LOD
 286  * @param[out] pmaxLod maximal LOD
 287  */
 288 static void calculate_min_max_lod(struct gl_texture_object *tObj,
 289                                        unsigned *pminLod, unsigned *pmaxLod)
 290 {
 291         int minLod, maxLod;
 292         /* Yes, this looks overly complicated, but it's all needed.
 293         */
 294         switch (tObj->Target) {
 295         case GL_TEXTURE_1D:
 296         case GL_TEXTURE_2D:
 297         case GL_TEXTURE_3D:
 298         case GL_TEXTURE_CUBE_MAP:
 299                 if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
 300                         /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
 301                         */
 302                         minLod = maxLod = tObj->BaseLevel;
 303                 } else {
 304                         minLod = tObj->BaseLevel + (GLint)(tObj->MinLod);
 305                         minLod = MAX2(minLod, tObj->BaseLevel);
 306                         minLod = MIN2(minLod, tObj->MaxLevel);
 307                         maxLod = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
 308                         maxLod = MIN2(maxLod, tObj->MaxLevel);
 309                         maxLod = MIN2(maxLod, tObj->Image[0][minLod]->MaxLog2 + minLod);
 310                         maxLod = MAX2(maxLod, minLod); /* need at least one level */
 311                 }
 312                 break;
 313         case GL_TEXTURE_RECTANGLE_NV:
 314         case GL_TEXTURE_4D_SGIS:
 315                 minLod = maxLod = 0;
 316                 break;
 317         default:
 318                 return;
 319         }
 320
 321         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 322                         "%s(%p) target %s, min %d, max %d.\n",
 323                         __func__, tObj,
 324                         _mesa_lookup_enum_by_nr(tObj->Target),
 325                         minLod, maxLod);
 326
 327         /* save these values */
 328         *pminLod = minLod;
 329         *pmaxLod = maxLod;
 330 }
 331
 332 /**
 333  * Checks whether the given miptree can hold the given texture image at the
 334  * given face and level.
 335  */
 336 GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt,
 337                 struct gl_texture_image *texImage, GLuint face, GLuint level)
 338 {
 339         radeon_mipmap_level *lvl;
 340
 341         if (face >= mt->faces)
 342                 return GL_FALSE;
 343
 344         if (texImage->TexFormat != mt->mesaFormat)
 345                 return GL_FALSE;
 346
 347         lvl = &mt->levels[level];
 348         if (!lvl->valid ||
 349             lvl->width != texImage->Width ||
 350             lvl->height != texImage->Height ||
 351             lvl->depth != texImage->Depth)
 352                 return GL_FALSE;
 353
 354         return GL_TRUE;
 355 }
 356
 357 /**
 358  * Checks whether the given miptree has the right format to store the given texture object.
 359  */
 360 static GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj)
 361 {
 362         struct gl_texture_image *firstImage;
 363         unsigned numLevels;
 364         radeon_mipmap_level *mtBaseLevel;
 365
 366         if (texObj->BaseLevel < mt->baseLevel)
 367                 return GL_FALSE;
 368
 369         mtBaseLevel = &mt->levels[texObj->BaseLevel - mt->baseLevel];
 370         firstImage = texObj->Image[0][texObj->BaseLevel];
 371         numLevels = MIN2(texObj->MaxLevel - texObj->BaseLevel + 1, firstImage->MaxLog2 + 1);
 372
 373         if (radeon_is_debug_enabled(RADEON_TEXTURE,RADEON_TRACE)) {
 374                 fprintf(stderr, "Checking if miptree %p matches texObj %p\n", mt, texObj);
 375                 fprintf(stderr, "target %d vs %d\n", mt->target, texObj->Target);
 376                 fprintf(stderr, "format %d vs %d\n", mt->mesaFormat, firstImage->TexFormat);
 377                 fprintf(stderr, "numLevels %d vs %d\n", mt->numLevels, numLevels);
 378                 fprintf(stderr, "width0 %d vs %d\n", mtBaseLevel->width, firstImage->Width);
 379                 fprintf(stderr, "height0 %d vs %d\n", mtBaseLevel->height, firstImage->Height);
 380                 fprintf(stderr, "depth0 %d vs %d\n", mtBaseLevel->depth, firstImage->Depth);
 381                 if (mt->target == texObj->Target &&
 382                 mt->mesaFormat == firstImage->TexFormat &&
 383                 mt->numLevels >= numLevels &&
 384                 mtBaseLevel->width == firstImage->Width &&
 385                 mtBaseLevel->height == firstImage->Height &&
 386                 mtBaseLevel->depth == firstImage->Depth) {
 387                         fprintf(stderr, "MATCHED\n");
 388                 } else {
 389                         fprintf(stderr, "NOT MATCHED\n");
 390                 }
 391         }
 392
 393         return (mt->target == texObj->Target &&
 394                 mt->mesaFormat == firstImage->TexFormat &&
 395                 mt->numLevels >= numLevels &&
 396                 mtBaseLevel->width == firstImage->Width &&
 397                 mtBaseLevel->height == firstImage->Height &&
 398                 mtBaseLevel->depth == firstImage->Depth);
 399 }
 400
 401 /**
 402  * Try to allocate a mipmap tree for the given texture object.
 403  * @param[in] rmesa radeon context
 404  * @param[in] t radeon texture object
 405  */
 406 void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t)
 407 {
 408         struct gl_texture_object *texObj = &t->base;
 409         struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel];
 410         GLuint numLevels;
 411
 412         assert(!t->mt);
 413
 414         if (!texImg) {
 415                 radeon_warning("%s(%p) No image in given texture object(%p).\n",
 416                                 __func__, rmesa, t);
 417                 return;
 418         }
 419
 420
 421         numLevels = MIN2(texObj->MaxLevel - texObj->BaseLevel + 1, texImg->MaxLog2 + 1);
 422
 423         t->mt = radeon_miptree_create(rmesa, t->base.Target,
 424                 texImg->TexFormat, texObj->BaseLevel,
 425                 numLevels, texImg->Width, texImg->Height,
 426                 texImg->Depth, t->tile_bits);
 427 }
 428
 429 GLuint
 430 radeon_miptree_image_offset(radeon_mipmap_tree *mt,
 431                             GLuint face, GLuint level)
 432 {
 433         if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
 434                 return (mt->levels[level].faces[face].offset);
 435         else
 436                 return mt->levels[level].faces[0].offset;
 437 }
 438
 439 /**
 440  * Ensure that the given image is stored in the given miptree from now on.
 441  */
 442 static void migrate_image_to_miptree(radeon_mipmap_tree *mt,
 443                                                                          radeon_texture_image *image,
 444                                                                          int face, int level)
 445 {
 446         radeon_mipmap_level *dstlvl = &mt->levels[level];
 447         unsigned char *dest;
 448
 449         assert(image->mt != mt);
 450         assert(dstlvl->valid);
 451         assert(dstlvl->width == image->base.Width);
 452         assert(dstlvl->height == image->base.Height);
 453         assert(dstlvl->depth == image->base.Depth);
 454
 455         radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
 456                         "%s miptree %p, image %p, face %d, level %d.\n",
 457                         __func__, mt, image, face, level);
 458
 459         radeon_bo_map(mt->bo, GL_TRUE);
 460         dest = mt->bo->ptr + dstlvl->faces[face].offset;
 461
 462         if (image->mt) {
 463                 /* Format etc. should match, so we really just need a memcpy().
 464                  * In fact, that memcpy() could be done by the hardware in many
 465                  * cases, provided that we have a proper memory manager.
 466                  */
 467                 assert(mt->mesaFormat == image->base.TexFormat);
 468
 469                 radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
 470
 471                 assert(image->mtlevel == level);
 472                 assert(srclvl->size == dstlvl->size);
 473                 assert(srclvl->rowstride == dstlvl->rowstride);
 474
 475                 radeon_bo_map(image->mt->bo, GL_FALSE);
 476
 477                 memcpy(dest,
 478                         image->mt->bo->ptr + srclvl->faces[face].offset,
 479                         dstlvl->size);
 480                 radeon_bo_unmap(image->mt->bo);
 481
 482                 radeon_miptree_unreference(&image->mt);
 483         } else if (image->base.Data) {
 484                 /* This condition should be removed, it's here to workaround
 485                  * a segfault when mapping textures during software fallbacks.
 486                  */
 487                 radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT,
 488                                 "%s Trying to map texture in sowftware fallback.\n",
 489                                 __func__);
 490                 const uint32_t srcrowstride = _mesa_format_row_stride(image->base.TexFormat, image->base.Width);
 491                 uint32_t rows = image->base.Height * image->base.Depth;
 492
 493                 if (_mesa_is_format_compressed(image->base.TexFormat)) {
 494                         uint32_t blockWidth, blockHeight;
 495                         _mesa_get_format_block_size(image->base.TexFormat, &blockWidth, &blockHeight);
 496                         rows = (rows + blockHeight - 1) / blockHeight;
 497                 }
 498
 499                 copy_rows(dest, dstlvl->rowstride, image->base.Data, srcrowstride,
 500                                   rows, srcrowstride);
 501
 502                 _mesa_free_texmemory(image->base.Data);
 503                 image->base.Data = 0;
 504         }
 505
 506         radeon_bo_unmap(mt->bo);
 507
 508         radeon_miptree_reference(mt, &image->mt);
 509         image->mtface = face;
 510         image->mtlevel = level;
 511 }
 512
 513 /**
 514  * Filter matching miptrees, and select one with the most of data.
 515  * @param[in] texObj radeon texture object
 516  * @param[in] firstLevel first texture level to check
 517  * @param[in] lastLevel last texture level to check
 518  */
 519 static radeon_mipmap_tree * get_biggest_matching_miptree(radeonTexObj *texObj,
 520                                                                                                                  unsigned firstLevel,
 521                                                                                                                  unsigned lastLevel)
 522 {
 523         const unsigned numLevels = lastLevel - firstLevel + 1;
 524         unsigned *mtSizes = calloc(numLevels, sizeof(unsigned));
 525         radeon_mipmap_tree **mts = calloc(numLevels, sizeof(radeon_mipmap_tree *));
 526         unsigned mtCount = 0;
 527         unsigned maxMtIndex = 0;
 528         radeon_mipmap_tree *tmp;
 529
 530         for (unsigned level = firstLevel; level <= lastLevel; ++level) {
 531                 radeon_texture_image *img = get_radeon_texture_image(texObj->base.Image[0][level]);
 532                 unsigned found = 0;
 533                 // TODO: why this hack??
 534                 if (!img)
 535                         break;
 536
 537                 if (!img->mt)
 538                         continue;
 539
 540                 for (int i = 0; i < mtCount; ++i) {
 541                         if (mts[i] == img->mt) {
 542                                 found = 1;
 543                                 mtSizes[i] += img->mt->levels[img->mtlevel].size;
 544                                 break;
 545                         }
 546                 }
 547
 548                 if (!found && radeon_miptree_matches_texture(img->mt, &texObj->base)) {
 549                         mtSizes[mtCount] = img->mt->levels[img->mtlevel].size;
 550                         mts[mtCount] = img->mt;
 551                         mtCount++;
 552                 }
 553         }
 554
 555         if (mtCount == 0) {
 556                 return NULL;
 557         }
 558
 559         for (int i = 1; i < mtCount; ++i) {
 560                 if (mtSizes[i] > mtSizes[maxMtIndex]) {
 561                         maxMtIndex = i;
 562                 }
 563         }
 564
 565         tmp = mts[maxMtIndex];
 566         free(mtSizes);
 567         free(mts);
 568
 569         return tmp;
 570 }
 571
 572 /**
 573  * Validate texture mipmap tree.
 574  * If individual images are stored in different mipmap trees
 575  * use the mipmap tree that has the most of the correct data.
 576  */
 577 int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *texObj)
 578 {
 579         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 580         radeonTexObj *t = radeon_tex_obj(texObj);
 581
 582         if (t->validated || t->image_override) {
 583                 return GL_TRUE;
 584         }
 585
 586         if (texObj->Image[0][texObj->BaseLevel]->Border > 0)
 587                 return GL_FALSE;
 588
 589         _mesa_test_texobj_completeness(rmesa->glCtx, texObj);
 590         if (!texObj->_Complete) {
 591                 return GL_FALSE;
 592         }
 593
 594         calculate_min_max_lod(&t->base, &t->minLod, &t->maxLod);
 595
 596         radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
 597                         "%s: Validating texture %p now, minLod = %d, maxLod = %d\n",
 598                         __FUNCTION__, texObj ,t->minLod, t->maxLod);
 599
 600         radeon_mipmap_tree *dst_miptree;
 601         dst_miptree = get_biggest_matching_miptree(t, t->minLod, t->maxLod);
 602
 603         if (!dst_miptree) {
 604                 radeon_miptree_unreference(&t->mt);
 605                 radeon_try_alloc_miptree(rmesa, t);
 606                 dst_miptree = t->mt;
 607                 radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
 608                         "%s: No matching miptree found, allocated new one %p\n",
 609                         __FUNCTION__, t->mt);
 610
 611         } else {
 612                 radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
 613                         "%s: Using miptree %p\n", __FUNCTION__, t->mt);
 614         }
 615
 616         const unsigned faces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
 617         unsigned face, level;
 618         radeon_texture_image *img;
 619         /* Validate only the levels that will actually be used during rendering */
 620         for (face = 0; face < faces; ++face) {
 621                 for (level = t->minLod; level <= t->maxLod; ++level) {
 622                         img = get_radeon_texture_image(texObj->Image[face][level]);
 623
 624                         radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 625                                 "Checking image level %d, face %d, mt %p ... ",
 626                                 level, face, img->mt);
 627
 628                         if (img->mt != dst_miptree) {
 629                                 radeon_print(RADEON_TEXTURE, RADEON_TRACE,
 630                                         "MIGRATING\n");
 631
 632                                 struct radeon_bo *src_bo = (img->mt) ? img->mt->bo : img->bo;
 633                                 if (src_bo && radeon_bo_is_referenced_by_cs(src_bo, rmesa->cmdbuf.cs)) {
 634                                         radeon_firevertices(rmesa);
 635                                 }
 636                                 migrate_image_to_miptree(dst_miptree, img, face, level);
 637                         } else
 638                                 radeon_print(RADEON_TEXTURE, RADEON_TRACE, "OK\n");
 639                 }
 640         }
 641
 642         t->validated = GL_TRUE;
 643
 644         return GL_TRUE;
 645 }
 646
 647 uint32_t get_base_teximage_offset(radeonTexObj *texObj)
 648 {
 649         if (!texObj->mt) {
 650                 return 0;
 651         } else {
 652                 return radeon_miptree_image_offset(texObj->mt, 0, texObj->minLod);
 653         }
 654 }