src/mesa/drivers/dri/nouveau/nouveau_texture.c

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_texture.h"
  30 #include "nouveau_fbo.h"
  31 #include "nouveau_util.h"
  32
  33 #include "main/texobj.h"
  34 #include "main/texstore.h"
  35 #include "main/texformat.h"
  36 #include "main/texcompress.h"
  37 #include "main/texgetimage.h"
  38 #include "main/mipmap.h"
  39 #include "main/texfetch.h"
  40 #include "main/teximage.h"
  41 #include "drivers/common/meta.h"
  42
  43 static struct gl_texture_object *
  44 nouveau_texture_new(GLcontext *ctx, GLuint name, GLenum target)
  45 {
  46         struct nouveau_texture *nt = CALLOC_STRUCT(nouveau_texture);
  47
  48         _mesa_initialize_texture_object(&nt->base, name, target);
  49
  50         return &nt->base;
  51 }
  52
  53 static void
  54 nouveau_texture_free(GLcontext *ctx, struct gl_texture_object *t)
  55 {
  56         struct nouveau_texture *nt = to_nouveau_texture(t);
  57         int i;
  58
  59         for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
  60                 nouveau_surface_ref(NULL, &nt->surfaces[i]);
  61
  62         _mesa_delete_texture_object(ctx, t);
  63 }
  64
  65 static struct gl_texture_image *
  66 nouveau_teximage_new(GLcontext *ctx)
  67 {
  68         struct nouveau_teximage *nti = CALLOC_STRUCT(nouveau_teximage);
  69
  70         return &nti->base;
  71 }
  72
  73 static void
  74 nouveau_teximage_free(GLcontext *ctx, struct gl_texture_image *ti)
  75 {
  76         struct nouveau_teximage *nti = to_nouveau_teximage(ti);
  77
  78         nouveau_surface_ref(NULL, &nti->surface);
  79 }
  80
  81 static void
  82 nouveau_teximage_map(GLcontext *ctx, struct gl_texture_image *ti)
  83 {
  84         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  85         int ret;
  86
  87         if (s->bo) {
  88                 ret = nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR);
  89                 assert(!ret);
  90
  91                 ti->Data = s->bo->map;
  92         }
  93 }
  94
  95 static void
  96 nouveau_teximage_unmap(GLcontext *ctx, struct gl_texture_image *ti)
  97 {
  98         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  99
 100         if (s->bo)
 101                 nouveau_bo_unmap(s->bo);
 102         ti->Data = NULL;
 103 }
 104
 105 static gl_format
 106 nouveau_choose_tex_format(GLcontext *ctx, GLint internalFormat,
 107                           GLenum srcFormat, GLenum srcType)
 108 {
 109         switch (internalFormat) {
 110         case 4:
 111         case GL_RGBA:
 112         case GL_RGBA2:
 113         case GL_RGBA4:
 114         case GL_RGBA8:
 115         case GL_RGBA12:
 116         case GL_RGBA16:
 117         case GL_RGB10_A2:
 118                 return MESA_FORMAT_ARGB8888;
 119         case GL_RGB5_A1:
 120                 return MESA_FORMAT_ARGB1555;
 121
 122         case GL_RGB:
 123         case GL_RGB8:
 124         case GL_RGB10:
 125         case GL_RGB12:
 126         case GL_RGB16:
 127                 return MESA_FORMAT_XRGB8888;
 128         case 3:
 129         case GL_R3_G3_B2:
 130         case GL_RGB4:
 131         case GL_RGB5:
 132                 return MESA_FORMAT_RGB565;
 133
 134         case 2:
 135         case GL_LUMINANCE_ALPHA:
 136         case GL_LUMINANCE4_ALPHA4:
 137         case GL_LUMINANCE6_ALPHA2:
 138         case GL_LUMINANCE12_ALPHA4:
 139         case GL_LUMINANCE12_ALPHA12:
 140         case GL_LUMINANCE16_ALPHA16:
 141         case GL_LUMINANCE8_ALPHA8:
 142                 return MESA_FORMAT_ARGB8888;
 143
 144         case 1:
 145         case GL_LUMINANCE:
 146         case GL_LUMINANCE4:
 147         case GL_LUMINANCE12:
 148         case GL_LUMINANCE16:
 149         case GL_LUMINANCE8:
 150                 return MESA_FORMAT_L8;
 151
 152         case GL_ALPHA:
 153         case GL_ALPHA4:
 154         case GL_ALPHA12:
 155         case GL_ALPHA16:
 156         case GL_ALPHA8:
 157                 return MESA_FORMAT_A8;
 158
 159         case GL_INTENSITY:
 160         case GL_INTENSITY4:
 161         case GL_INTENSITY12:
 162         case GL_INTENSITY16:
 163         case GL_INTENSITY8:
 164                 return MESA_FORMAT_I8;
 165
 166         case GL_COLOR_INDEX:
 167         case GL_COLOR_INDEX1_EXT:
 168         case GL_COLOR_INDEX2_EXT:
 169         case GL_COLOR_INDEX4_EXT:
 170         case GL_COLOR_INDEX12_EXT:
 171         case GL_COLOR_INDEX16_EXT:
 172         case GL_COLOR_INDEX8_EXT:
 173                 return MESA_FORMAT_CI8;
 174
 175         default:
 176                 assert(0);
 177         }
 178 }
 179
 180 static GLboolean
 181 teximage_fits(struct gl_texture_object *t, int level)
 182 {
 183         struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
 184         struct gl_texture_image *ti = t->Image[0][level];
 185
 186         return ti && (t->Target == GL_TEXTURE_RECTANGLE ||
 187                       (s->bo && s->width == ti->Width &&
 188                        s->height == ti->Height &&
 189                        s->format == ti->TexFormat));
 190 }
 191
 192 static GLboolean
 193 validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
 194                   int level, int x, int y, int z,
 195                   int width, int height, int depth)
 196 {
 197         struct gl_texture_image *ti = t->Image[0][level];
 198
 199         if (teximage_fits(t, level)) {
 200                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 201                 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 202
 203                 if (t->Target == GL_TEXTURE_RECTANGLE)
 204                         nouveau_surface_ref(s, &ss[level]);
 205                 else
 206                         context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 207                                                        x, y, x, y,
 208                                                        width, height);
 209
 210                 return GL_TRUE;
 211         }
 212
 213         return GL_FALSE;
 214 }
 215
 216 static int
 217 get_last_level(struct gl_texture_object *t)
 218 {
 219         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 220
 221         if (t->MinFilter == GL_NEAREST ||
 222             t->MinFilter == GL_LINEAR || !base)
 223                 return t->BaseLevel;
 224         else
 225                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 226 }
 227
 228 static void
 229 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 230 {
 231         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 232
 233         if (base && t->Target != GL_TEXTURE_RECTANGLE) {
 234                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 235                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 236                 int i, ret, last = get_last_level(t);
 237                 unsigned size, offset = 0,
 238                         width = s->width,
 239                         height = s->height;
 240
 241                 /* Deallocate the old storage. */
 242                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 243                         nouveau_bo_ref(NULL, &ss[i].bo);
 244
 245                 /* Relayout the mipmap tree. */
 246                 for (i = t->BaseLevel; i <= last; i++) {
 247                         size = width * height * s->cpp;
 248
 249                         /* Images larger than 16B have to be aligned. */
 250                         if (size > 16)
 251                                 offset = align(offset, 64);
 252
 253                         ss[i] = (struct nouveau_surface) {
 254                                 .offset = offset,
 255                                 .layout = SWIZZLED,
 256                                 .format = s->format,
 257                                 .width = width,
 258                                 .height = height,
 259                                 .cpp = s->cpp,
 260                                 .pitch = width * s->cpp,
 261                         };
 262
 263                         offset += size;
 264                         width = MAX2(1, width / 2);
 265                         height = MAX2(1, height / 2);
 266                 }
 267
 268                 /* Get new storage. */
 269                 size = align(offset, 64);
 270
 271                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 272                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 273                                      0, size, &ss[last].bo);
 274                 assert(!ret);
 275
 276                 for (i = t->BaseLevel; i < last; i++)
 277                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 278         }
 279 }
 280
 281 GLboolean
 282 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 283 {
 284         struct nouveau_texture *nt = to_nouveau_texture(t);
 285         int i, last = get_last_level(t);
 286
 287         if (!teximage_fits(t, t->BaseLevel) ||
 288             !teximage_fits(t, last))
 289                 return GL_FALSE;
 290
 291         if (nt->dirty) {
 292                 nt->dirty = GL_FALSE;
 293
 294                 /* Copy the teximages to the actual miptree. */
 295                 for (i = t->BaseLevel; i <= last; i++) {
 296                         struct nouveau_surface *s = &nt->surfaces[i];
 297
 298                         validate_teximage(ctx, t, i, 0, 0, 0,
 299                                           s->width, s->height, 1);
 300                 }
 301
 302                 FIRE_RING(context_chan(ctx));
 303         }
 304
 305         return GL_TRUE;
 306 }
 307
 308 void
 309 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 310 {
 311         if (!teximage_fits(t, t->BaseLevel) ||
 312             !teximage_fits(t, get_last_level(t))) {
 313                 texture_dirty(t);
 314                 relayout_texture(ctx, t);
 315                 nouveau_texture_validate(ctx, t);
 316         }
 317 }
 318
 319 static unsigned
 320 get_teximage_placement(struct gl_texture_image *ti)
 321 {
 322         if (ti->TexFormat == MESA_FORMAT_A8 ||
 323             ti->TexFormat == MESA_FORMAT_L8 ||
 324             ti->TexFormat == MESA_FORMAT_I8)
 325                 /* 1 cpp formats will have to be swizzled by the CPU,
 326                  * so leave them in system RAM for now. */
 327                 return NOUVEAU_BO_MAP;
 328         else
 329                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 330 }
 331
 332 static void
 333 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 334                  GLint internalFormat,
 335                  GLint width, GLint height, GLint depth, GLint border,
 336                  GLenum format, GLenum type, const GLvoid *pixels,
 337                  const struct gl_pixelstore_attrib *packing,
 338                  struct gl_texture_object *t,
 339                  struct gl_texture_image *ti)
 340 {
 341         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 342         int ret;
 343
 344         /* Allocate a new bo for the image. */
 345         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 346                               ti->TexFormat, width, height);
 347         ti->RowStride = s->pitch / s->cpp;
 348
 349         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 350                                              format, type, pixels, packing,
 351                                              "glTexImage");
 352         if (pixels) {
 353                 /* Store the pixel data. */
 354                 nouveau_teximage_map(ctx, ti);
 355
 356                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 357                                      ti->TexFormat, ti->Data,
 358                                      0, 0, 0, s->pitch,
 359                                      ti->ImageOffsets,
 360                                      width, height, depth,
 361                                      format, type, pixels, packing);
 362                 assert(ret);
 363
 364                 nouveau_teximage_unmap(ctx, ti);
 365                 _mesa_unmap_teximage_pbo(ctx, packing);
 366
 367                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 368                                        width, height, depth))
 369                         /* It doesn't fit, mark it as dirty. */
 370                         texture_dirty(t);
 371         }
 372
 373         if (level == t->BaseLevel) {
 374                 if (!teximage_fits(t, level))
 375                         relayout_texture(ctx, t);
 376                 nouveau_texture_validate(ctx, t);
 377         }
 378
 379         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 380         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 381 }
 382
 383 static void
 384 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 385                     GLint internalFormat,
 386                     GLint width, GLint border,
 387                     GLenum format, GLenum type, const GLvoid *pixels,
 388                     const struct gl_pixelstore_attrib *packing,
 389                     struct gl_texture_object *t,
 390                     struct gl_texture_image *ti)
 391 {
 392         nouveau_teximage(ctx, 1, target, level, internalFormat,
 393                          width, 1, 1, border, format, type, pixels,
 394                          packing, t, ti);
 395 }
 396
 397 static void
 398 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 399                     GLint internalFormat,
 400                     GLint width, GLint height, GLint border,
 401                     GLenum format, GLenum type, const GLvoid *pixels,
 402                     const struct gl_pixelstore_attrib *packing,
 403                     struct gl_texture_object *t,
 404                     struct gl_texture_image *ti)
 405 {
 406         nouveau_teximage(ctx, 2, target, level, internalFormat,
 407                          width, height, 1, border, format, type, pixels,
 408                          packing, t, ti);
 409 }
 410
 411 static void
 412 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 413                     GLint internalFormat,
 414                     GLint width, GLint height, GLint depth, GLint border,
 415                     GLenum format, GLenum type, const GLvoid *pixels,
 416                     const struct gl_pixelstore_attrib *packing,
 417                     struct gl_texture_object *t,
 418                     struct gl_texture_image *ti)
 419 {
 420         nouveau_teximage(ctx, 3, target, level, internalFormat,
 421                          width, height, depth, border, format, type, pixels,
 422                          packing, t, ti);
 423 }
 424
 425 static void
 426 nouveau_texsubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 427                     GLint xoffset, GLint yoffset, GLint zoffset,
 428                     GLint width, GLint height, GLint depth,
 429                     GLenum format, GLenum type, const void *pixels,
 430                     const struct gl_pixelstore_attrib *packing,
 431                     struct gl_texture_object *t,
 432                     struct gl_texture_image *ti)
 433 {
 434         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 435         int ret;
 436
 437         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 438                                              format, type, pixels, packing,
 439                                              "glTexSubImage");
 440         if (pixels) {
 441                 nouveau_teximage_map(ctx, ti);
 442
 443                 ret = _mesa_texstore(ctx, 3, ti->_BaseFormat, ti->TexFormat,
 444                                      ti->Data, xoffset, yoffset, zoffset,
 445                                      s->pitch, ti->ImageOffsets,
 446                                      width, height, depth, format, type,
 447                                      pixels, packing);
 448                 assert(ret);
 449
 450                 nouveau_teximage_unmap(ctx, ti);
 451                 _mesa_unmap_teximage_pbo(ctx, packing);
 452         }
 453
 454         if (!to_nouveau_texture(t)->dirty)
 455                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 456                                   width, height, depth);
 457 }
 458
 459 static void
 460 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 461                        GLint xoffset, GLint yoffset, GLint zoffset,
 462                        GLint width, GLint height, GLint depth,
 463                        GLenum format, GLenum type, const void *pixels,
 464                        const struct gl_pixelstore_attrib *packing,
 465                        struct gl_texture_object *t,
 466                        struct gl_texture_image *ti)
 467 {
 468         nouveau_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
 469                             width, height, depth, format, type, pixels,
 470                             packing, t, ti);
 471 }
 472
 473 static void
 474 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 475                        GLint xoffset, GLint yoffset,
 476                        GLint width, GLint height,
 477                        GLenum format, GLenum type, const void *pixels,
 478                        const struct gl_pixelstore_attrib *packing,
 479                        struct gl_texture_object *t,
 480                        struct gl_texture_image *ti)
 481 {
 482         nouveau_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0,
 483                             width, height, 1, format, type, pixels,
 484                             packing, t, ti);
 485 }
 486
 487 static void
 488 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 489                        GLint xoffset, GLint width,
 490                        GLenum format, GLenum type, const void *pixels,
 491                        const struct gl_pixelstore_attrib *packing,
 492                        struct gl_texture_object *t,
 493                        struct gl_texture_image *ti)
 494 {
 495         nouveau_texsubimage(ctx, 1, target, level, xoffset, 0, 0,
 496                             width, 1, 1, format, type, pixels,
 497                             packing, t, ti);
 498 }
 499
 500 static void
 501 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 502                      GLenum format, GLenum type, GLvoid *pixels,
 503                      struct gl_texture_object *t,
 504                      struct gl_texture_image *ti)
 505 {
 506         nouveau_teximage_map(ctx, ti);
 507         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 508                            t, ti);
 509         nouveau_teximage_unmap(ctx, ti);
 510 }
 511
 512 static void
 513 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 514                      struct gl_texture_object *t)
 515 {
 516         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 517         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 518 }
 519
 520 static gl_format
 521 get_texbuffer_format(struct gl_renderbuffer *rb, GLint format)
 522 {
 523         struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
 524
 525         if (s->cpp < 4)
 526                 return s->format;
 527         else if (format == __DRI_TEXTURE_FORMAT_RGBA)
 528                 return MESA_FORMAT_ARGB8888;
 529         else
 530                 return MESA_FORMAT_XRGB8888;
 531 }
 532
 533 void
 534 nouveau_set_texbuffer(__DRIcontext *dri_ctx,
 535                       GLint target, GLint format,
 536                       __DRIdrawable *draw)
 537 {
 538         struct nouveau_context *nctx = dri_ctx->driverPrivate;
 539         GLcontext *ctx = &nctx->base;
 540         struct gl_framebuffer *fb = draw->driverPrivate;
 541         struct gl_renderbuffer *rb =
 542                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 543         struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target);
 544         struct gl_texture_image *ti;
 545         struct nouveau_surface *s;
 546
 547         _mesa_lock_texture(ctx, t);
 548         ti = _mesa_get_tex_image(ctx, t, target, 0);
 549         s = &to_nouveau_teximage(ti)->surface;
 550
 551         /* Update the texture surface with the given drawable. */
 552         nouveau_update_renderbuffers(dri_ctx, draw);
 553         nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s);
 554
 555         /* Update the image fields. */
 556         _mesa_init_teximage_fields(ctx, target, ti, s->width, s->height,
 557                                    1, 0, s->cpp);
 558         ti->RowStride = s->pitch / s->cpp;
 559         ti->TexFormat = s->format = get_texbuffer_format(rb, format);
 560
 561         /* Try to validate it. */
 562         if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1))
 563                 nouveau_texture_reallocate(ctx, t);
 564
 565         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 566         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 567
 568         _mesa_unlock_texture(ctx, t);
 569 }
 570
 571 static void
 572 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 573 {
 574         int i;
 575
 576         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 577                 if (t->Image[0][i])
 578                         nouveau_teximage_map(ctx, t->Image[0][i]);
 579         }
 580 }
 581
 582 static void
 583 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 584 {
 585         int i;
 586
 587         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 588                 if (t->Image[0][i])
 589                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 590         }
 591 }
 592
 593 static void
 594 store_mipmap(GLcontext *ctx, GLenum target, int first, int last,
 595              struct gl_texture_object *t)
 596 {
 597         struct gl_pixelstore_attrib packing = {
 598                 .BufferObj = ctx->Shared->NullBufferObj,
 599                 .Alignment = 1
 600         };
 601         GLenum format = t->Image[0][first]->TexFormat;
 602         unsigned base_format, type, comps;
 603         int i;
 604
 605         base_format = _mesa_get_format_base_format(format);
 606         _mesa_format_to_type_and_comps(format, &type, &comps);
 607
 608         for (i = first; i <= last; i++) {
 609                 struct gl_texture_image *ti = t->Image[0][i];
 610                 void *data = ti->Data;
 611
 612                 nouveau_teximage(ctx, 3, target, i, ti->InternalFormat,
 613                                  ti->Width, ti->Height, ti->Depth,
 614                                  ti->Border, base_format, type, data,
 615                                  &packing, t, ti);
 616
 617                 _mesa_free_texmemory(data);
 618         }
 619 }
 620
 621 static void
 622 nouveau_generate_mipmap(GLcontext *ctx, GLenum target,
 623                         struct gl_texture_object *t)
 624 {
 625         if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, t)) {
 626                 struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 627
 628                 nouveau_teximage_map(ctx, base);
 629                 _mesa_generate_mipmap(ctx, target, t);
 630                 nouveau_teximage_unmap(ctx, base);
 631
 632                 store_mipmap(ctx, target, t->BaseLevel + 1,
 633                              get_last_level(t), t);
 634
 635         } else {
 636                 _mesa_meta_GenerateMipmap(ctx, target, t);
 637         }
 638 }
 639
 640 void
 641 nouveau_texture_functions_init(struct dd_function_table *functions)
 642 {
 643         functions->NewTextureObject = nouveau_texture_new;
 644         functions->DeleteTexture = nouveau_texture_free;
 645         functions->NewTextureImage = nouveau_teximage_new;
 646         functions->FreeTexImageData = nouveau_teximage_free;
 647         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 648         functions->TexImage1D = nouveau_teximage_1d;
 649         functions->TexImage2D = nouveau_teximage_2d;
 650         functions->TexImage3D = nouveau_teximage_3d;
 651         functions->TexSubImage1D = nouveau_texsubimage_1d;
 652         functions->TexSubImage2D = nouveau_texsubimage_2d;
 653         functions->TexSubImage3D = nouveau_texsubimage_3d;
 654         functions->GetTexImage = nouveau_get_teximage;
 655         functions->BindTexture = nouveau_bind_texture;
 656         functions->MapTexture = nouveau_texture_map;
 657         functions->UnmapTexture = nouveau_texture_unmap;
 658         functions->GenerateMipmap = nouveau_generate_mipmap;
 659 }