src/mesa/drivers/dri/i915/intel_tex.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "glheader.h"
  29 #include "mtypes.h"
  30 #include "imports.h"
  31 #include "simple_list.h"
  32 #include "enums.h"
  33 #include "image.h"
  34 #include "texstore.h"
  35 #include "texformat.h"
  36 #include "teximage.h"
  37 #include "texmem.h"
  38 #include "texobj.h"
  39 #include "swrast/swrast.h"
  40
  41 #include "mm.h"
  42
  43 #include "intel_screen.h"
  44 #include "intel_batchbuffer.h"
  45 #include "intel_context.h"
  46 #include "intel_tex.h"
  47 #include "intel_ioctl.h"
  48
  49
  50
  51 static GLboolean
  52 intelValidateClientStorage( intelContextPtr intel, GLenum target,
  53                             GLint internalFormat,
  54                             GLint srcWidth, GLint srcHeight,
  55                             GLenum format, GLenum type,  const void *pixels,
  56                             const struct gl_pixelstore_attrib *packing,
  57                             struct gl_texture_object *texObj,
  58                             struct gl_texture_image *texImage)
  59
  60 {
  61    GLcontext *ctx = &intel->ctx;
  62    int texelBytes;
  63
  64    if (0)
  65       fprintf(stderr, "intformat %s format %s type %s\n",
  66               _mesa_lookup_enum_by_nr( internalFormat ),
  67               _mesa_lookup_enum_by_nr( format ),
  68               _mesa_lookup_enum_by_nr( type ));
  69
  70    if (!ctx->Unpack.ClientStorage)
  71       return 0;
  72
  73    if (ctx->_ImageTransferState ||
  74        texImage->IsCompressed ||
  75        texObj->GenerateMipmap)
  76       return 0;
  77
  78
  79    /* This list is incomplete
  80     */
  81    switch ( internalFormat ) {
  82    case GL_RGBA:
  83       if ( format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV ) {
  84          texImage->TexFormat = &_mesa_texformat_argb8888;
  85          texelBytes = 4;
  86       }
  87       else
  88          return 0;
  89       break;
  90
  91    case GL_RGB:
  92       if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
  93          texImage->TexFormat = &_mesa_texformat_rgb565;
  94          texelBytes = 2;
  95       }
  96       else
  97          return 0;
  98       break;
  99
 100    case GL_YCBCR_MESA:
 101       if ( format == GL_YCBCR_MESA &&
 102            type == GL_UNSIGNED_SHORT_8_8_REV_APPLE ) {
 103          texImage->TexFormat = &_mesa_texformat_ycbcr_rev;
 104          texelBytes = 2;
 105       }
 106       else if ( format == GL_YCBCR_MESA &&
 107                 (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
 108                  type == GL_UNSIGNED_BYTE)) {
 109          texImage->TexFormat = &_mesa_texformat_ycbcr;
 110          texelBytes = 2;
 111       }
 112       else
 113          return 0;
 114       break;
 115
 116
 117    default:
 118       return 0;
 119    }
 120
 121    /* Could deal with these packing issues, but currently don't:
 122     */
 123    if (packing->SkipPixels ||
 124        packing->SkipRows ||
 125        packing->SwapBytes ||
 126        packing->LsbFirst) {
 127       return 0;
 128    }
 129
 130    {
 131       GLint srcRowStride = _mesa_image_row_stride(packing, srcWidth,
 132                                                   format, type);
 133
 134
 135       if (0)
 136          fprintf(stderr, "%s: srcRowStride %d/%x\n",
 137                  __FUNCTION__, srcRowStride, srcRowStride);
 138
 139       /* Could check this later in upload, pitch restrictions could be
 140        * relaxed, but would need to store the image pitch somewhere,
 141        * as packing details might change before image is uploaded:
 142        */
 143       if (!intelIsAgpMemory( intel, pixels, srcHeight * srcRowStride ) ||
 144           (srcRowStride & 63))
 145          return 0;
 146
 147
 148       /* Have validated that _mesa_transfer_teximage would be a straight
 149        * memcpy at this point.  NOTE: future calls to TexSubImage will
 150        * overwrite the client data.  This is explicitly mentioned in the
 151        * extension spec.
 152        */
 153       texImage->Data = (void *)pixels;
 154       texImage->IsClientData = GL_TRUE;
 155       texImage->RowStride = srcRowStride / texelBytes;
 156       return 1;
 157    }
 158 }
 159
 160
 161
 162 static void intelTexImage1D( GLcontext *ctx, GLenum target, GLint level,
 163                             GLint internalFormat,
 164                             GLint width, GLint border,
 165                             GLenum format, GLenum type, const GLvoid *pixels,
 166                             const struct gl_pixelstore_attrib *packing,
 167                             struct gl_texture_object *texObj,
 168                             struct gl_texture_image *texImage )
 169 {
 170    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 171
 172    assert(t);
 173    intelFlush( ctx );
 174    driSwapOutTextureObject( t );
 175
 176    texImage->IsClientData = GL_FALSE;
 177
 178    _mesa_store_teximage1d( ctx, target, level, internalFormat,
 179                            width, border, format, type,
 180                            pixels, packing, texObj, texImage );
 181
 182    t->dirty_images[0] |= (1 << level);
 183 }
 184
 185 static void intelTexSubImage1D( GLcontext *ctx,
 186                                GLenum target,
 187                                GLint level,
 188                                GLint xoffset,
 189                                 GLsizei width,
 190                                GLenum format, GLenum type,
 191                                const GLvoid *pixels,
 192                                const struct gl_pixelstore_attrib *packing,
 193                                struct gl_texture_object *texObj,
 194                                struct gl_texture_image *texImage )
 195 {
 196    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 197
 198    assert(t);
 199    intelFlush( ctx );
 200    driSwapOutTextureObject( t );
 201
 202    _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
 203                              format, type, pixels, packing, texObj,
 204                              texImage);
 205 }
 206
 207
 208 /* Handles 2D, CUBE, RECT:
 209  */
 210 static void intelTexImage2D( GLcontext *ctx, GLenum target, GLint level,
 211                             GLint internalFormat,
 212                             GLint width, GLint height, GLint border,
 213                             GLenum format, GLenum type, const GLvoid *pixels,
 214                             const struct gl_pixelstore_attrib *packing,
 215                             struct gl_texture_object *texObj,
 216                             struct gl_texture_image *texImage )
 217 {
 218    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 219    GLuint face;
 220
 221    /* which cube face or ordinary 2D image */
 222    switch (target) {
 223    case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
 224    case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
 225    case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
 226    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
 227    case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
 228    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
 229       face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
 230       ASSERT(face < 6);
 231       break;
 232    default:
 233       face = 0;
 234    }
 235
 236    assert(t);
 237    intelFlush( ctx );
 238    driSwapOutTextureObject( t );
 239    texImage->IsClientData = GL_FALSE;
 240
 241    if (intelValidateClientStorage( INTEL_CONTEXT(ctx), target,
 242                                    internalFormat,
 243                                    width, height,
 244                                    format, type, pixels,
 245                                    packing, texObj, texImage)) {
 246       if (INTEL_DEBUG & DEBUG_TEXTURE)
 247          fprintf(stderr, "%s: Using client storage\n", __FUNCTION__);
 248    }
 249    else {
 250       _mesa_store_teximage2d( ctx, target, level, internalFormat,
 251                               width, height, border, format, type,
 252                               pixels, packing, texObj, texImage );
 253
 254       t->dirty_images[face] |= (1 << level);
 255    }
 256 }
 257
 258 static void intelTexSubImage2D( GLcontext *ctx,
 259                                GLenum target,
 260                                GLint level,
 261                                GLint xoffset, GLint yoffset,
 262                                GLsizei width, GLsizei height,
 263                                GLenum format, GLenum type,
 264                                const GLvoid *pixels,
 265                                const struct gl_pixelstore_attrib *packing,
 266                                struct gl_texture_object *texObj,
 267                                struct gl_texture_image *texImage )
 268 {
 269    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 270    GLuint face;
 271
 272    /* which cube face or ordinary 2D image */
 273    switch (target) {
 274    case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
 275    case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
 276    case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
 277    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
 278    case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
 279    case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
 280       face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
 281       ASSERT(face < 6);
 282       break;
 283    default:
 284       face = 0;
 285    }
 286
 287    if (texImage->IsClientData &&
 288        (char *)pixels == (char *)texImage->Data +
 289        ((xoffset + yoffset * texImage->RowStride) *
 290         texImage->TexFormat->TexelBytes)) {
 291
 292       /* Notification only - no upload required */
 293    }
 294    else {
 295       assert( t ); /* this _should_ be true */
 296       intelFlush( ctx );
 297       driSwapOutTextureObject( t );
 298
 299       _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
 300                                 height, format, type, pixels, packing, texObj,
 301                                 texImage);
 302
 303       t->dirty_images[face] |= (1 << level);
 304    }
 305 }
 306
 307
 308
 309 static void intelTexImage3D( GLcontext *ctx, GLenum target, GLint level,
 310                             GLint internalFormat,
 311                             GLint width, GLint height, GLint depth,
 312                             GLint border,
 313                             GLenum format, GLenum type, const GLvoid *pixels,
 314                             const struct gl_pixelstore_attrib *packing,
 315                             struct gl_texture_object *texObj,
 316                             struct gl_texture_image *texImage )
 317 {
 318    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 319
 320    assert(t);
 321    driSwapOutTextureObject( t );
 322    texImage->IsClientData = GL_FALSE;
 323
 324    _mesa_store_teximage3d(ctx, target, level, internalFormat,
 325                           width, height, depth, border,
 326                           format, type, pixels,
 327                           &ctx->Unpack, texObj, texImage);
 328
 329    t->dirty_images[0] |= (1 << level);
 330 }
 331
 332
 333 static void
 334 intelTexSubImage3D( GLcontext *ctx, GLenum target, GLint level,
 335                    GLint xoffset, GLint yoffset, GLint zoffset,
 336                    GLsizei width, GLsizei height, GLsizei depth,
 337                    GLenum format, GLenum type,
 338                    const GLvoid *pixels,
 339                    const struct gl_pixelstore_attrib *packing,
 340                    struct gl_texture_object *texObj,
 341                    struct gl_texture_image *texImage )
 342 {
 343    driTextureObject * t = (driTextureObject *) texObj->DriverData;
 344
 345    assert( t ); /* this _should_ be true */
 346    driSwapOutTextureObject( t );
 347
 348    _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
 349                              width, height, depth,
 350                              format, type, pixels, packing, texObj, texImage);
 351
 352    t->dirty_images[0] |= (1 << level);
 353 }
 354
 355
 356
 357
 358 static void intelDeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
 359 {
 360    driTextureObject * t = (driTextureObject *) tObj->DriverData;
 361
 362    if ( t != NULL ) {
 363       intelFlush( ctx );
 364       driDestroyTextureObject( t );
 365    }
 366
 367    /* Free mipmap images and the texture object itself */
 368    _mesa_delete_texture_object(ctx, tObj);
 369 }
 370
 371
 372 static const struct gl_texture_format *
 373 intelChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
 374                          GLenum format, GLenum type )
 375 {
 376    intelContextPtr intel = INTEL_CONTEXT( ctx );
 377    const GLboolean do32bpt = ( intel->intelScreen->cpp == 4 &&
 378                                intel->intelScreen->textureSize > 4*1024*1024);
 379
 380    switch ( internalFormat ) {
 381    case 4:
 382    case GL_RGBA:
 383    case GL_COMPRESSED_RGBA:
 384       if ( format == GL_BGRA ) {
 385          if ( type == GL_UNSIGNED_INT_8_8_8_8_REV ) {
 386             return &_mesa_texformat_argb8888;
 387          }
 388          else if ( type == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
 389             return &_mesa_texformat_argb4444;
 390          }
 391          else if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
 392             return &_mesa_texformat_argb1555;
 393          }
 394       }
 395       return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
 396
 397    case 3:
 398    case GL_RGB:
 399    case GL_COMPRESSED_RGB:
 400       if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
 401          return &_mesa_texformat_rgb565;
 402       }
 403       return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
 404
 405    case GL_RGBA8:
 406    case GL_RGB10_A2:
 407    case GL_RGBA12:
 408    case GL_RGBA16:
 409       return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
 410
 411    case GL_RGBA4:
 412    case GL_RGBA2:
 413       return &_mesa_texformat_argb4444;
 414
 415    case GL_RGB5_A1:
 416       return &_mesa_texformat_argb1555;
 417
 418    case GL_RGB8:
 419    case GL_RGB10:
 420    case GL_RGB12:
 421    case GL_RGB16:
 422       return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
 423
 424    case GL_RGB5:
 425    case GL_RGB4:
 426    case GL_R3_G3_B2:
 427       return &_mesa_texformat_rgb565;
 428
 429    case GL_ALPHA:
 430    case GL_ALPHA4:
 431    case GL_ALPHA8:
 432    case GL_ALPHA12:
 433    case GL_ALPHA16:
 434    case GL_COMPRESSED_ALPHA:
 435 /*       if (1 || intel->intelScreen->deviceID == PCI_CHIP_I915_G) */
 436          return &_mesa_texformat_a8;
 437 /*       else */
 438 /*       return &_mesa_texformat_al88; */
 439
 440    case 1:
 441    case GL_LUMINANCE:
 442    case GL_LUMINANCE4:
 443    case GL_LUMINANCE8:
 444    case GL_LUMINANCE12:
 445    case GL_LUMINANCE16:
 446    case GL_COMPRESSED_LUMINANCE:
 447       return &_mesa_texformat_l8;
 448
 449    case 2:
 450    case GL_LUMINANCE_ALPHA:
 451    case GL_LUMINANCE4_ALPHA4:
 452    case GL_LUMINANCE6_ALPHA2:
 453    case GL_LUMINANCE8_ALPHA8:
 454    case GL_LUMINANCE12_ALPHA4:
 455    case GL_LUMINANCE12_ALPHA12:
 456    case GL_LUMINANCE16_ALPHA16:
 457    case GL_COMPRESSED_LUMINANCE_ALPHA:
 458       return &_mesa_texformat_al88;
 459
 460    case GL_INTENSITY:
 461    case GL_INTENSITY4:
 462    case GL_INTENSITY8:
 463    case GL_INTENSITY12:
 464    case GL_INTENSITY16:
 465    case GL_COMPRESSED_INTENSITY:
 466       return &_mesa_texformat_i8;
 467
 468    case GL_YCBCR_MESA:
 469       if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
 470           type == GL_UNSIGNED_BYTE)
 471          return &_mesa_texformat_ycbcr;
 472       else
 473          return &_mesa_texformat_ycbcr_rev;
 474
 475    default:
 476       fprintf(stderr, "unexpected texture format in %s\n", __FUNCTION__);
 477       return NULL;
 478    }
 479
 480    return NULL; /* never get here */
 481 }
 482
 483
 484
 485 void intelDestroyTexObj(intelContextPtr intel, intelTextureObjectPtr t)
 486 {
 487    unsigned   i;
 488
 489    if ( intel == NULL )
 490       return;
 491
 492    if ( t->age > intel->dirtyAge )
 493       intel->dirtyAge = t->age;
 494
 495    for ( i = 0 ; i < MAX_TEXTURE_UNITS ; i++ ) {
 496       if ( t == intel->CurrentTexObj[ i ] )
 497          intel->CurrentTexObj[ i ] = NULL;
 498    }
 499 }
 500
 501
 502
 503 /* Upload an image from mesa's internal copy.  Image may be 1D, 2D or
 504  * 3D.  Cubemaps are expanded elsewhere.
 505  */
 506 static void intelUploadTexImage( intelContextPtr intel,
 507                                  intelTextureObjectPtr t,
 508                                  const struct gl_texture_image *image,
 509                                  const GLuint offset )
 510 {
 511
 512    if (!image || !image->Data)
 513       return;
 514
 515    if (image->Depth == 1 && image->IsClientData) {
 516       if (INTEL_DEBUG & DEBUG_TEXTURE)
 517          fprintf(stderr, "Blit uploading\n");
 518
 519       /* Do it with a blit.
 520        */
 521       intelEmitCopyBlitLocked( intel,
 522                                image->TexFormat->TexelBytes,
 523                                image->RowStride, /* ? */
 524                                intelGetMemoryOffsetMESA( NULL, 0, image->Data ),
 525                                t->Pitch / image->TexFormat->TexelBytes,
 526                                intelGetMemoryOffsetMESA( NULL, 0, t->BufAddr + offset ),
 527                                0, 0,
 528                                0, 0,
 529                                image->Width,
 530                                image->Height);
 531    }
 532    else {
 533       GLuint row_len = image->Width * image->TexFormat->TexelBytes;
 534       GLubyte *dst = (GLubyte *)(t->BufAddr + offset);
 535       GLubyte *src = (GLubyte *)image->Data;
 536       GLuint d, j;
 537
 538       if (INTEL_DEBUG & DEBUG_TEXTURE)
 539          fprintf(stderr,
 540                  "Upload image %dx%dx%d offset %xm row_len %x "
 541                  "pitch %x depth_pitch %x\n",
 542                  image->Width, image->Height, image->Depth, offset,
 543                  row_len, t->Pitch, t->depth_pitch);
 544
 545       if (row_len == t->Pitch) {
 546          for (d = 0; d < image->Depth; d++) {
 547             memcpy( dst, src, t->Pitch * image->Height );
 548             dst += t->depth_pitch;
 549             src += row_len * image->Height;
 550          }
 551       }
 552       else {
 553          for (d = 0 ; d < image->Depth ; d++) {
 554             for (j = 0 ; j < image->Height ; j++) {
 555                __memcpy(dst, src, row_len );
 556                src += row_len;
 557                dst += t->Pitch;
 558             }
 559
 560             dst += t->depth_pitch - (t->Pitch * image->Height);
 561          }
 562       }
 563    }
 564 }
 565
 566
 567
 568 int intelUploadTexImages( intelContextPtr intel,
 569                           intelTextureObjectPtr t,
 570                           GLuint face)
 571 {
 572    const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
 573    const struct gl_texture_image *firstImage = t->image[face][t->base.firstLevel].image;
 574    int pitch = firstImage->RowStride * firstImage->TexFormat->TexelBytes;
 575
 576    /* Can we texture out of the existing client data? */
 577    if ( numLevels == 1 &&
 578         firstImage->IsClientData &&
 579         (pitch & 3) == 0) {
 580
 581       if (INTEL_DEBUG & DEBUG_TEXTURE)
 582          fprintf(stderr, "AGP texturing from client memory\n");
 583
 584       t->TextureOffset = intelAgpOffsetFromVirtual( intel, firstImage->Data );
 585       t->BufAddr = 0;
 586       t->dirty = ~0;
 587       return GL_TRUE;
 588    }
 589    else {
 590       if (INTEL_DEBUG & DEBUG_TEXTURE)
 591          fprintf(stderr, "Uploading client data to agp\n");
 592
 593       INTEL_FIREVERTICES( intel );
 594       LOCK_HARDWARE( intel );
 595
 596       if ( t->base.memBlock == NULL ) {
 597          int heap;
 598
 599          heap = driAllocateTexture( intel->texture_heaps, intel->nr_heaps,
 600                                     (driTextureObject *) t );
 601          if ( heap == -1 ) {
 602             UNLOCK_HARDWARE( intel );
 603             return GL_FALSE;
 604          }
 605
 606          /* Set the base offset of the texture image */
 607          t->BufAddr = intel->intelScreen->tex.map + t->base.memBlock->ofs;
 608          t->TextureOffset = intel->intelScreen->textureOffset + t->base.memBlock->ofs;
 609          t->dirty = ~0;
 610       }
 611
 612
 613       /* Let the world know we've used this memory recently.
 614        */
 615       driUpdateTextureLRU( (driTextureObject *) t );
 616
 617
 618       /* Upload any images that are new */
 619       if (t->base.dirty_images[face]) {
 620          int i;
 621
 622          intelWaitForIdle( intel );
 623
 624          for (i = 0 ; i < numLevels ; i++) {
 625             int level = i + t->base.firstLevel;
 626
 627             if (t->base.dirty_images[face] & (1<<level)) {
 628
 629                const struct gl_texture_image *image = t->image[face][i].image;
 630                GLuint offset = t->image[face][i].offset;
 631
 632                if (INTEL_DEBUG & DEBUG_TEXTURE)
 633                   fprintf(stderr, "upload level %d, offset %x\n",
 634                           level, offset);
 635
 636                intelUploadTexImage( intel, t, image, offset );
 637             }
 638          }
 639          t->base.dirty_images[face] = 0;
 640          intel->perf_boxes |= I830_BOX_TEXTURE_LOAD;
 641       }
 642
 643       UNLOCK_HARDWARE( intel );
 644       return GL_TRUE;
 645    }
 646 }
 647
 648 /**
 649  * Allocate a new texture object.
 650  * Called via ctx->Driver.NewTextureObject.
 651  * Note: this function will be called during context creation to
 652  * allocate the default texture objects.
 653  * Note: we could use containment here to 'derive' the driver-specific
 654  * texture object from the core mesa gl_texture_object.  Not done at this time.
 655  */
 656 static struct gl_texture_object *
 657 intelNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
 658 {
 659    struct gl_texture_object *obj = _mesa_new_texture_object(ctx, name, target);
 660    INTEL_CONTEXT(ctx)->vtbl.alloc_tex_obj( obj );
 661    return obj;
 662 }
 663
 664
 665 void intelInitTextureFuncs( struct dd_function_table *functions )
 666 {
 667    functions->NewTextureObject          = intelNewTextureObject;
 668    functions->ChooseTextureFormat       = intelChooseTextureFormat;
 669    functions->TexImage1D                = intelTexImage1D;
 670    functions->TexImage2D                = intelTexImage2D;
 671    functions->TexImage3D                = intelTexImage3D;
 672    functions->TexSubImage1D             = intelTexSubImage1D;
 673    functions->TexSubImage2D             = intelTexSubImage2D;
 674    functions->TexSubImage3D             = intelTexSubImage3D;
 675    functions->CopyTexImage1D            = _swrast_copy_teximage1d;
 676    functions->CopyTexImage2D            = _swrast_copy_teximage2d;
 677    functions->CopyTexSubImage1D         = _swrast_copy_texsubimage1d;
 678    functions->CopyTexSubImage2D         = _swrast_copy_texsubimage2d;
 679    functions->CopyTexSubImage3D         = _swrast_copy_texsubimage3d;
 680    functions->DeleteTexture             = intelDeleteTexture;
 681    functions->UpdateTexturePalette      = NULL;
 682    functions->IsTextureResident         = driIsTextureResident;
 683    functions->TestProxyTexImage         = _mesa_test_proxy_teximage;
 684    functions->DeleteTexture             = intelDeleteTexture;
 685 }