src/mesa/drivers/dri/i915tex/intel_tex_image.c

   1
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4
   5 #include "glheader.h"
   6 #include "macros.h"
   7 #include "mtypes.h"
   8 #include "enums.h"
   9 #include "colortab.h"
  10 #include "convolve.h"
  11 #include "context.h"
  12 #include "simple_list.h"
  13 #include "texcompress.h"
  14 #include "texformat.h"
  15 #include "texobj.h"
  16 #include "texstore.h"
  17
  18 #include "intel_context.h"
  19 #include "intel_mipmap_tree.h"
  20 #include "intel_buffer_objects.h"
  21 #include "intel_batchbuffer.h"
  22 #include "intel_tex.h"
  23 #include "intel_ioctl.h"
  24 #include "intel_blit.h"
  25
  26 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
  27
  28 /* Functions to store texture images.  Where possible, mipmap_tree's
  29  * will be created or further instantiated with image data, otherwise
  30  * images will be stored in malloc'd memory.  A validation step is
  31  * required to pull those images into a mipmap tree, or otherwise
  32  * decide a fallback is required.
  33  */
  34
  35
  36 static int
  37 logbase2(int n)
  38 {
  39    GLint i = 1;
  40    GLint log2 = 0;
  41
  42    while (n > i) {
  43       i *= 2;
  44       log2++;
  45    }
  46
  47    return log2;
  48 }
  49
  50
  51 /* Otherwise, store it in memory if (Border != 0) or (any dimension ==
  52  * 1).
  53  *
  54  * Otherwise, if max_level >= level >= min_level, create tree with
  55  * space for textures from min_level down to max_level.
  56  *
  57  * Otherwise, create tree with space for textures from (level
  58  * 0)..(1x1).  Consider pruning this tree at a validation if the
  59  * saving is worth it.
  60  */
  61 static void
  62 guess_and_alloc_mipmap_tree(struct intel_context *intel,
  63                             struct intel_texture_object *intelObj,
  64                             struct intel_texture_image *intelImage)
  65 {
  66    GLuint firstLevel;
  67    GLuint lastLevel;
  68    GLuint width = intelImage->base.Width;
  69    GLuint height = intelImage->base.Height;
  70    GLuint depth = intelImage->base.Depth;
  71    GLuint l2width, l2height, l2depth;
  72    GLuint i, comp_byte = 0;
  73
  74    DBG("%s\n", __FUNCTION__);
  75
  76    if (intelImage->base.Border)
  77       return;
  78
  79    if (intelImage->level > intelObj->base.BaseLevel &&
  80        (intelImage->base.Width == 1 ||
  81         (intelObj->base.Target != GL_TEXTURE_1D &&
  82          intelImage->base.Height == 1) ||
  83         (intelObj->base.Target == GL_TEXTURE_3D &&
  84          intelImage->base.Depth == 1)))
  85       return;
  86
  87    /* If this image disrespects BaseLevel, allocate from level zero.
  88     * Usually BaseLevel == 0, so it's unlikely to happen.
  89     */
  90    if (intelImage->level < intelObj->base.BaseLevel)
  91       firstLevel = 0;
  92    else
  93       firstLevel = intelObj->base.BaseLevel;
  94
  95
  96    /* Figure out image dimensions at start level.
  97     */
  98    for (i = intelImage->level; i > firstLevel; i--) {
  99       width <<= 1;
 100       if (height != 1)
 101          height <<= 1;
 102       if (depth != 1)
 103          depth <<= 1;
 104    }
 105
 106    /* Guess a reasonable value for lastLevel.  This is probably going
 107     * to be wrong fairly often and might mean that we have to look at
 108     * resizable buffers, or require that buffers implement lazy
 109     * pagetable arrangements.
 110     */
 111    if ((intelObj->base.MinFilter == GL_NEAREST ||
 112         intelObj->base.MinFilter == GL_LINEAR) &&
 113        intelImage->level == firstLevel) {
 114       lastLevel = firstLevel;
 115    }
 116    else {
 117       l2width = logbase2(width);
 118       l2height = logbase2(height);
 119       l2depth = logbase2(depth);
 120       lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth);
 121    }
 122
 123    assert(!intelObj->mt);
 124    if (intelImage->base.IsCompressed)
 125       comp_byte = intel_compressed_num_bytes(intelImage->base.TexFormat->MesaFormat);
 126    intelObj->mt = intel_miptree_create(intel,
 127                                        intelObj->base.Target,
 128                                        intelImage->base.InternalFormat,
 129                                        firstLevel,
 130                                        lastLevel,
 131                                        width,
 132                                        height,
 133                                        depth,
 134                                        intelImage->base.TexFormat->TexelBytes,
 135                                        comp_byte);
 136
 137    DBG("%s - success\n", __FUNCTION__);
 138 }
 139
 140
 141
 142
 143 static GLuint
 144 target_to_face(GLenum target)
 145 {
 146    switch (target) {
 147    case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
 148    case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
 149    case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
 150    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
 151    case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
 152    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
 153       return ((GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X);
 154    default:
 155       return 0;
 156    }
 157 }
 158
 159 /* There are actually quite a few combinations this will work for,
 160  * more than what I've listed here.
 161  */
 162 static GLboolean
 163 check_pbo_format(GLint internalFormat,
 164                  GLenum format, GLenum type,
 165                  const struct gl_texture_format *mesa_format)
 166 {
 167    switch (internalFormat) {
 168    case 4:
 169    case GL_RGBA:
 170       return (format == GL_BGRA &&
 171               (type == GL_UNSIGNED_BYTE ||
 172                type == GL_UNSIGNED_INT_8_8_8_8_REV) &&
 173               mesa_format == &_mesa_texformat_argb8888);
 174    case 3:
 175    case GL_RGB:
 176       return (format == GL_RGB &&
 177               type == GL_UNSIGNED_SHORT_5_6_5 &&
 178               mesa_format == &_mesa_texformat_rgb565);
 179    case GL_YCBCR_MESA:
 180       return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE);
 181    default:
 182       return GL_FALSE;
 183    }
 184 }
 185
 186
 187 /* XXX: Do this for TexSubImage also:
 188  */
 189 static GLboolean
 190 try_pbo_upload(struct intel_context *intel,
 191                struct intel_texture_image *intelImage,
 192                const struct gl_pixelstore_attrib *unpack,
 193                GLint internalFormat,
 194                GLint width, GLint height,
 195                GLenum format, GLenum type, const void *pixels)
 196 {
 197    struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
 198    GLuint src_offset, src_stride;
 199    GLuint dst_offset, dst_stride;
 200
 201    if (!pbo ||
 202        intel->ctx._ImageTransferState ||
 203        unpack->SkipPixels || unpack->SkipRows) {
 204       _mesa_printf("%s: failure 1\n", __FUNCTION__);
 205       return GL_FALSE;
 206    }
 207
 208    src_offset = (GLuint) pixels;
 209
 210    if (unpack->RowLength > 0)
 211       src_stride = unpack->RowLength;
 212    else
 213       src_stride = width;
 214
 215    dst_offset = intel_miptree_image_offset(intelImage->mt,
 216                                            intelImage->face,
 217                                            intelImage->level);
 218
 219    dst_stride = intelImage->mt->pitch;
 220
 221    intelFlush(&intel->ctx);
 222    LOCK_HARDWARE(intel);
 223    {
 224       struct _DriBufferObject *src_buffer =
 225          intel_bufferobj_buffer(intel, pbo, INTEL_READ);
 226       struct _DriBufferObject *dst_buffer =
 227          intel_region_buffer(intel->intelScreen, intelImage->mt->region,
 228                              INTEL_WRITE_FULL);
 229
 230
 231       intelEmitCopyBlit(intel,
 232                         intelImage->mt->cpp,
 233                         src_stride, src_buffer, src_offset,
 234                         dst_stride, dst_buffer, dst_offset,
 235                         0, 0, 0, 0, width, height,
 236                         GL_COPY);
 237
 238       intel_batchbuffer_flush(intel->batch);
 239    }
 240    UNLOCK_HARDWARE(intel);
 241
 242    return GL_TRUE;
 243 }
 244
 245
 246
 247 static GLboolean
 248 try_pbo_zcopy(struct intel_context *intel,
 249               struct intel_texture_image *intelImage,
 250               const struct gl_pixelstore_attrib *unpack,
 251               GLint internalFormat,
 252               GLint width, GLint height,
 253               GLenum format, GLenum type, const void *pixels)
 254 {
 255    struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
 256    GLuint src_offset, src_stride;
 257    GLuint dst_offset, dst_stride;
 258
 259    if (!pbo ||
 260        intel->ctx._ImageTransferState ||
 261        unpack->SkipPixels || unpack->SkipRows) {
 262       _mesa_printf("%s: failure 1\n", __FUNCTION__);
 263       return GL_FALSE;
 264    }
 265
 266    src_offset = (GLuint) pixels;
 267
 268    if (unpack->RowLength > 0)
 269       src_stride = unpack->RowLength;
 270    else
 271       src_stride = width;
 272
 273    dst_offset = intel_miptree_image_offset(intelImage->mt,
 274                                            intelImage->face,
 275                                            intelImage->level);
 276
 277    dst_stride = intelImage->mt->pitch;
 278
 279    if (src_stride != dst_stride || dst_offset != 0 || src_offset != 0) {
 280       _mesa_printf("%s: failure 2\n", __FUNCTION__);
 281       return GL_FALSE;
 282    }
 283
 284    intel_region_attach_pbo(intel->intelScreen, intelImage->mt->region, pbo);
 285
 286    return GL_TRUE;
 287 }
 288
 289
 290
 291
 292
 293
 294 static void
 295 intelTexImage(GLcontext * ctx,
 296               GLint dims,
 297               GLenum target, GLint level,
 298               GLint internalFormat,
 299               GLint width, GLint height, GLint depth,
 300               GLint border,
 301               GLenum format, GLenum type, const void *pixels,
 302               const struct gl_pixelstore_attrib *unpack,
 303               struct gl_texture_object *texObj,
 304               struct gl_texture_image *texImage, GLsizei imageSize, int compressed)
 305 {
 306    struct intel_context *intel = intel_context(ctx);
 307    struct intel_texture_object *intelObj = intel_texture_object(texObj);
 308    struct intel_texture_image *intelImage = intel_texture_image(texImage);
 309    GLint postConvWidth = width;
 310    GLint postConvHeight = height;
 311    GLint texelBytes, sizeInBytes;
 312    GLuint dstRowStride;
 313
 314
 315    DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
 316        _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
 317
 318    intelFlush(ctx);
 319
 320    intelImage->face = target_to_face(target);
 321    intelImage->level = level;
 322
 323    if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
 324       _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
 325                                          &postConvHeight);
 326    }
 327
 328    /* choose the texture format */
 329    texImage->TexFormat = intelChooseTextureFormat(ctx, internalFormat,
 330                                                   format, type);
 331
 332    assert(texImage->TexFormat);
 333
 334    switch (dims) {
 335    case 1:
 336       texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
 337       texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
 338       break;
 339    case 2:
 340       texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
 341       texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
 342       break;
 343    case 3:
 344       texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D;
 345       texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df;
 346       break;
 347    default:
 348       assert(0);
 349       break;
 350    }
 351
 352    if (texImage->TexFormat->TexelBytes == 0) {
 353       /* must be a compressed format */
 354       texelBytes = 0;
 355       texImage->IsCompressed = GL_TRUE;
 356       texImage->CompressedSize =
 357          ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
 358                                            texImage->Height, texImage->Depth,
 359                                            texImage->TexFormat->MesaFormat);
 360    } else {
 361       texelBytes = texImage->TexFormat->TexelBytes;
 362
 363       /* Minimum pitch of 32 bytes */
 364       if (postConvWidth * texelBytes < 32) {
 365          postConvWidth = 32 / texelBytes;
 366          texImage->RowStride = postConvWidth;
 367       }
 368
 369       assert(texImage->RowStride == postConvWidth);
 370    }
 371
 372    /* Release the reference to a potentially orphaned buffer.
 373     * Release any old malloced memory.
 374     */
 375    if (intelImage->mt) {
 376       intel_miptree_release(intel, &intelImage->mt);
 377       assert(!texImage->Data);
 378    }
 379    else if (texImage->Data) {
 380       _mesa_align_free(texImage->Data);
 381    }
 382
 383    /* If this is the only texture image in the tree, could call
 384     * bmBufferData with NULL data to free the old block and avoid
 385     * waiting on any outstanding fences.
 386     */
 387    if (intelObj->mt &&
 388        intelObj->mt->first_level == level &&
 389        intelObj->mt->last_level == level &&
 390        intelObj->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
 391        !intel_miptree_match_image(intelObj->mt, &intelImage->base,
 392                                   intelImage->face, intelImage->level)) {
 393
 394       DBG("release it\n");
 395       intel_miptree_release(intel, &intelObj->mt);
 396       assert(!intelObj->mt);
 397    }
 398
 399    if (!intelObj->mt) {
 400       guess_and_alloc_mipmap_tree(intel, intelObj, intelImage);
 401       if (!intelObj->mt) {
 402          DBG("guess_and_alloc_mipmap_tree: failed\n");
 403       }
 404    }
 405
 406
 407    assert(!intelImage->mt);
 408
 409    if (intelObj->mt &&
 410        intel_miptree_match_image(intelObj->mt, &intelImage->base,
 411                                  intelImage->face, intelImage->level)) {
 412
 413       intel_miptree_reference(&intelImage->mt, intelObj->mt);
 414       assert(intelImage->mt);
 415    }
 416
 417    if (!intelImage->mt)
 418       DBG("XXX: Image did not fit into tree - storing in local memory!\n");
 419
 420    /* PBO fastpaths:
 421     */
 422    if (dims <= 2 &&
 423        intelImage->mt &&
 424        intel_buffer_object(unpack->BufferObj) &&
 425        check_pbo_format(internalFormat, format,
 426                         type, intelImage->base.TexFormat)) {
 427
 428       DBG("trying pbo upload\n");
 429
 430       /* Attempt to texture directly from PBO data (zero copy upload).
 431        *
 432        * Currently disable as it can lead to worse as well as better
 433        * performance (in particular when intel_region_cow() is
 434        * required).
 435        */
 436       if (intelObj->mt == intelImage->mt &&
 437           intelObj->mt->first_level == level &&
 438           intelObj->mt->last_level == level) {
 439
 440          if (try_pbo_zcopy(intel, intelImage, unpack,
 441                            internalFormat,
 442                            width, height, format, type, pixels)) {
 443
 444             DBG("pbo zcopy upload succeeded\n");
 445             return;
 446          }
 447       }
 448
 449
 450       /* Otherwise, attempt to use the blitter for PBO image uploads.
 451        */
 452       if (try_pbo_upload(intel, intelImage, unpack,
 453                          internalFormat,
 454                          width, height, format, type, pixels)) {
 455          DBG("pbo upload succeeded\n");
 456          return;
 457       }
 458
 459       DBG("pbo upload failed\n");
 460    }
 461
 462
 463
 464    /* intelCopyTexImage calls this function with pixels == NULL, with
 465     * the expectation that the mipmap tree will be set up but nothing
 466     * more will be done.  This is where those calls return:
 467     */
 468    if (compressed) {
 469       pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
 470                                                       unpack,
 471                                                       "glCompressedTexImage");
 472    } else {
 473       pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
 474                                            format, type,
 475                                            pixels, unpack, "glTexImage");
 476    }
 477    if (!pixels)
 478       return;
 479
 480
 481    if (intelImage->mt)
 482       intel_region_idle(intel->intelScreen, intelImage->mt->region);
 483
 484    LOCK_HARDWARE(intel);
 485
 486    if (intelImage->mt) {
 487       texImage->Data = intel_miptree_image_map(intel,
 488                                                intelImage->mt,
 489                                                intelImage->face,
 490                                                intelImage->level,
 491                                                &dstRowStride,
 492                                                intelImage->base.ImageOffsets);
 493    }
 494    else {
 495       /* Allocate regular memory and store the image there temporarily.   */
 496       if (texImage->IsCompressed) {
 497          sizeInBytes = texImage->CompressedSize;
 498          dstRowStride =
 499             _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
 500          assert(dims != 3);
 501       }
 502       else {
 503          dstRowStride = postConvWidth * texelBytes;
 504          sizeInBytes = depth * dstRowStride * postConvHeight;
 505       }
 506
 507       texImage->Data = malloc(sizeInBytes);
 508    }
 509
 510    DBG("Upload image %dx%dx%d row_len %x "
 511        "pitch %x\n",
 512        width, height, depth, width * texelBytes, dstRowStride);
 513
 514    /* Copy data.  Would like to know when it's ok for us to eg. use
 515     * the blitter to copy.  Or, use the hardware to do the format
 516     * conversion and copy:
 517     */
 518    if (compressed) {
 519      memcpy(texImage->Data, pixels, imageSize);
 520    } else if (!texImage->TexFormat->StoreImage(ctx, dims,
 521                                                texImage->_BaseFormat,
 522                                                texImage->TexFormat,
 523                                                texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
 524                                                dstRowStride,
 525                                                texImage->ImageOffsets,
 526                                                width, height, depth,
 527                                                format, type, pixels, unpack)) {
 528       _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 529    }
 530
 531    _mesa_unmap_teximage_pbo(ctx, unpack);
 532
 533    if (intelImage->mt) {
 534       intel_miptree_image_unmap(intel, intelImage->mt);
 535       texImage->Data = NULL;
 536    }
 537
 538    UNLOCK_HARDWARE(intel);
 539
 540 #if 0
 541    /* GL_SGIS_generate_mipmap -- this can be accelerated now.
 542     */
 543    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 544       intel_generate_mipmap(ctx, target,
 545                             &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
 546                             texObj);
 547    }
 548 #endif
 549 }
 550
 551 void
 552 intelTexImage3D(GLcontext * ctx,
 553                 GLenum target, GLint level,
 554                 GLint internalFormat,
 555                 GLint width, GLint height, GLint depth,
 556                 GLint border,
 557                 GLenum format, GLenum type, const void *pixels,
 558                 const struct gl_pixelstore_attrib *unpack,
 559                 struct gl_texture_object *texObj,
 560                 struct gl_texture_image *texImage)
 561 {
 562    intelTexImage(ctx, 3, target, level,
 563                  internalFormat, width, height, depth, border,
 564                  format, type, pixels, unpack, texObj, texImage, 0, 0);
 565 }
 566
 567
 568 void
 569 intelTexImage2D(GLcontext * ctx,
 570                 GLenum target, GLint level,
 571                 GLint internalFormat,
 572                 GLint width, GLint height, GLint border,
 573                 GLenum format, GLenum type, const void *pixels,
 574                 const struct gl_pixelstore_attrib *unpack,
 575                 struct gl_texture_object *texObj,
 576                 struct gl_texture_image *texImage)
 577 {
 578    intelTexImage(ctx, 2, target, level,
 579                  internalFormat, width, height, 1, border,
 580                  format, type, pixels, unpack, texObj, texImage, 0, 0);
 581 }
 582
 583 void
 584 intelTexImage1D(GLcontext * ctx,
 585                 GLenum target, GLint level,
 586                 GLint internalFormat,
 587                 GLint width, GLint border,
 588                 GLenum format, GLenum type, const void *pixels,
 589                 const struct gl_pixelstore_attrib *unpack,
 590                 struct gl_texture_object *texObj,
 591                 struct gl_texture_image *texImage)
 592 {
 593    intelTexImage(ctx, 1, target, level,
 594                  internalFormat, width, 1, 1, border,
 595                  format, type, pixels, unpack, texObj, texImage, 0, 0);
 596 }
 597
 598 void intelCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level,
 599                                 GLint internalFormat,
 600                                 GLint width, GLint height, GLint border,
 601                                 GLsizei imageSize, const GLvoid *data,
 602                                 struct gl_texture_object *texObj,
 603                                 struct gl_texture_image *texImage )
 604 {
 605    intelTexImage(ctx, 2, target, level,
 606                  internalFormat, width, height, 1, border,
 607                  0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1);
 608 }
 609
 610 /**
 611  * Need to map texture image into memory before copying image data,
 612  * then unmap it.
 613  */
 614 static void
 615 intel_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 616                     GLenum format, GLenum type, GLvoid * pixels,
 617                     struct gl_texture_object *texObj,
 618                     struct gl_texture_image *texImage, int compressed)
 619 {
 620    struct intel_context *intel = intel_context(ctx);
 621    struct intel_texture_image *intelImage = intel_texture_image(texImage);
 622
 623    /* Map */
 624    if (intelImage->mt) {
 625       /* Image is stored in hardware format in a buffer managed by the
 626        * kernel.  Need to explicitly map and unmap it.
 627        */
 628       intelImage->base.Data =
 629          intel_miptree_image_map(intel,
 630                                  intelImage->mt,
 631                                  intelImage->face,
 632                                  intelImage->level,
 633                                  &intelImage->base.RowStride,
 634                                  intelImage->base.ImageOffsets);
 635    }
 636    else {
 637       /* Otherwise, the image should actually be stored in
 638        * intelImage->base.Data.  This is pretty confusing for
 639        * everybody, I'd much prefer to separate the two functions of
 640        * texImage->Data - storage for texture images in main memory
 641        * and access (ie mappings) of images.  In other words, we'd
 642        * create a new texImage->Map field and leave Data simply for
 643        * storage.
 644        */
 645       assert(intelImage->base.Data);
 646    }
 647
 648
 649    if (compressed) {
 650       _mesa_get_compressed_teximage(ctx, target, level, pixels,
 651                                     texObj, texImage);
 652    } else {
 653       _mesa_get_teximage(ctx, target, level, format, type, pixels,
 654                          texObj, texImage);
 655    }
 656
 657
 658    /* Unmap */
 659    if (intelImage->mt) {
 660       intel_miptree_image_unmap(intel, intelImage->mt);
 661       intelImage->base.Data = NULL;
 662    }
 663 }
 664
 665 void
 666 intelGetTexImage(GLcontext * ctx, GLenum target, GLint level,
 667                  GLenum format, GLenum type, GLvoid * pixels,
 668                  struct gl_texture_object *texObj,
 669                  struct gl_texture_image *texImage)
 670 {
 671    intel_get_tex_image(ctx, target, level, format, type, pixels,
 672                        texObj, texImage, 0);
 673
 674
 675 }
 676
 677 void
 678 intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
 679                            GLvoid *pixels,
 680                            const struct gl_texture_object *texObj,
 681                            const struct gl_texture_image *texImage)
 682 {
 683    intel_get_tex_image(ctx, target, level, 0, 0, pixels,
 684                        texObj, texImage, 1);
 685
 686 }