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(GLcontext *ctx, 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         if (!ti || !to_nouveau_teximage(ti)->surface.bo)
 187                 return GL_FALSE;
 188
 189         if (context_chipset(ctx) < 0x10 &&
 190             level == t->BaseLevel && (s->offset & 0x7f))
 191                 return GL_FALSE;
 192
 193         return t->Target == GL_TEXTURE_RECTANGLE ||
 194                 (s->bo && s->format == ti->TexFormat &&
 195                  s->width == ti->Width && s->height == ti->Height);
 196 }
 197
 198 static GLboolean
 199 validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
 200                   int level, int x, int y, int z,
 201                   int width, int height, int depth)
 202 {
 203         struct gl_texture_image *ti = t->Image[0][level];
 204
 205         if (teximage_fits(ctx, t, level)) {
 206                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 207                 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 208
 209                 if (t->Target == GL_TEXTURE_RECTANGLE)
 210                         nouveau_surface_ref(s, &ss[level]);
 211                 else
 212                         context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 213                                                        x, y, x, y,
 214                                                        width, height);
 215
 216                 return GL_TRUE;
 217         }
 218
 219         return GL_FALSE;
 220 }
 221
 222 static int
 223 get_last_level(struct gl_texture_object *t)
 224 {
 225         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 226
 227         if (t->MinFilter == GL_NEAREST ||
 228             t->MinFilter == GL_LINEAR || !base)
 229                 return t->BaseLevel;
 230         else
 231                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 232 }
 233
 234 static void
 235 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 236 {
 237         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 238
 239         if (base && t->Target != GL_TEXTURE_RECTANGLE) {
 240                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 241                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 242                 int i, ret, last = get_last_level(t);
 243                 unsigned size, offset = 0,
 244                         width = s->width,
 245                         height = s->height;
 246
 247                 /* Deallocate the old storage. */
 248                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 249                         nouveau_bo_ref(NULL, &ss[i].bo);
 250
 251                 /* Relayout the mipmap tree. */
 252                 for (i = t->BaseLevel; i <= last; i++) {
 253                         size = width * height * s->cpp;
 254
 255                         /* Images larger than 16B have to be aligned. */
 256                         if (size > 16)
 257                                 offset = align(offset, 64);
 258
 259                         ss[i] = (struct nouveau_surface) {
 260                                 .offset = offset,
 261                                 .layout = SWIZZLED,
 262                                 .format = s->format,
 263                                 .width = width,
 264                                 .height = height,
 265                                 .cpp = s->cpp,
 266                                 .pitch = width * s->cpp,
 267                         };
 268
 269                         offset += size;
 270                         width = MAX2(1, width / 2);
 271                         height = MAX2(1, height / 2);
 272                 }
 273
 274                 /* Get new storage. */
 275                 size = align(offset, 64);
 276
 277                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 278                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 279                                      0, size, &ss[last].bo);
 280                 assert(!ret);
 281
 282                 for (i = t->BaseLevel; i < last; i++)
 283                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 284         }
 285 }
 286
 287 GLboolean
 288 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 289 {
 290         struct nouveau_texture *nt = to_nouveau_texture(t);
 291         int i, last = get_last_level(t);
 292
 293         if (!teximage_fits(ctx, t, t->BaseLevel) ||
 294             !teximage_fits(ctx, t, last))
 295                 return GL_FALSE;
 296
 297         if (nt->dirty) {
 298                 nt->dirty = GL_FALSE;
 299
 300                 /* Copy the teximages to the actual miptree. */
 301                 for (i = t->BaseLevel; i <= last; i++) {
 302                         struct nouveau_surface *s = &nt->surfaces[i];
 303
 304                         validate_teximage(ctx, t, i, 0, 0, 0,
 305                                           s->width, s->height, 1);
 306                 }
 307
 308                 FIRE_RING(context_chan(ctx));
 309         }
 310
 311         return GL_TRUE;
 312 }
 313
 314 void
 315 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 316 {
 317         if (!teximage_fits(ctx, t, t->BaseLevel) ||
 318             !teximage_fits(ctx, t, get_last_level(t))) {
 319                 texture_dirty(t);
 320                 relayout_texture(ctx, t);
 321                 nouveau_texture_validate(ctx, t);
 322         }
 323 }
 324
 325 static unsigned
 326 get_teximage_placement(struct gl_texture_image *ti)
 327 {
 328         if (ti->TexFormat == MESA_FORMAT_A8 ||
 329             ti->TexFormat == MESA_FORMAT_L8 ||
 330             ti->TexFormat == MESA_FORMAT_I8)
 331                 /* 1 cpp formats will have to be swizzled by the CPU,
 332                  * so leave them in system RAM for now. */
 333                 return NOUVEAU_BO_MAP;
 334         else
 335                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 336 }
 337
 338 static void
 339 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 340                  GLint internalFormat,
 341                  GLint width, GLint height, GLint depth, GLint border,
 342                  GLenum format, GLenum type, const GLvoid *pixels,
 343                  const struct gl_pixelstore_attrib *packing,
 344                  struct gl_texture_object *t,
 345                  struct gl_texture_image *ti)
 346 {
 347         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 348         int ret;
 349
 350         /* Allocate a new bo for the image. */
 351         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 352                               ti->TexFormat, width, height);
 353         ti->RowStride = s->pitch / s->cpp;
 354
 355         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 356                                              format, type, pixels, packing,
 357                                              "glTexImage");
 358         if (pixels) {
 359                 /* Store the pixel data. */
 360                 nouveau_teximage_map(ctx, ti);
 361
 362                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 363                                      ti->TexFormat, ti->Data,
 364                                      0, 0, 0, s->pitch,
 365                                      ti->ImageOffsets,
 366                                      width, height, depth,
 367                                      format, type, pixels, packing);
 368                 assert(ret);
 369
 370                 nouveau_teximage_unmap(ctx, ti);
 371                 _mesa_unmap_teximage_pbo(ctx, packing);
 372
 373                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 374                                        width, height, depth))
 375                         /* It doesn't fit, mark it as dirty. */
 376                         texture_dirty(t);
 377         }
 378
 379         if (level == t->BaseLevel) {
 380                 if (!teximage_fits(ctx, t, level))
 381                         relayout_texture(ctx, t);
 382                 nouveau_texture_validate(ctx, t);
 383         }
 384
 385         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 386         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 387 }
 388
 389 static void
 390 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 391                     GLint internalFormat,
 392                     GLint width, GLint border,
 393                     GLenum format, GLenum type, const GLvoid *pixels,
 394                     const struct gl_pixelstore_attrib *packing,
 395                     struct gl_texture_object *t,
 396                     struct gl_texture_image *ti)
 397 {
 398         nouveau_teximage(ctx, 1, target, level, internalFormat,
 399                          width, 1, 1, border, format, type, pixels,
 400                          packing, t, ti);
 401 }
 402
 403 static void
 404 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 405                     GLint internalFormat,
 406                     GLint width, GLint height, GLint border,
 407                     GLenum format, GLenum type, const GLvoid *pixels,
 408                     const struct gl_pixelstore_attrib *packing,
 409                     struct gl_texture_object *t,
 410                     struct gl_texture_image *ti)
 411 {
 412         nouveau_teximage(ctx, 2, target, level, internalFormat,
 413                          width, height, 1, border, format, type, pixels,
 414                          packing, t, ti);
 415 }
 416
 417 static void
 418 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 419                     GLint internalFormat,
 420                     GLint width, GLint height, GLint depth, GLint border,
 421                     GLenum format, GLenum type, const GLvoid *pixels,
 422                     const struct gl_pixelstore_attrib *packing,
 423                     struct gl_texture_object *t,
 424                     struct gl_texture_image *ti)
 425 {
 426         nouveau_teximage(ctx, 3, target, level, internalFormat,
 427                          width, height, depth, border, format, type, pixels,
 428                          packing, t, ti);
 429 }
 430
 431 static void
 432 nouveau_texsubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 433                     GLint xoffset, GLint yoffset, GLint zoffset,
 434                     GLint width, GLint height, GLint depth,
 435                     GLenum format, GLenum type, const void *pixels,
 436                     const struct gl_pixelstore_attrib *packing,
 437                     struct gl_texture_object *t,
 438                     struct gl_texture_image *ti)
 439 {
 440         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 441         int ret;
 442
 443         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 444                                              format, type, pixels, packing,
 445                                              "glTexSubImage");
 446         if (pixels) {
 447                 nouveau_teximage_map(ctx, ti);
 448
 449                 ret = _mesa_texstore(ctx, 3, ti->_BaseFormat, ti->TexFormat,
 450                                      ti->Data, xoffset, yoffset, zoffset,
 451                                      s->pitch, ti->ImageOffsets,
 452                                      width, height, depth, format, type,
 453                                      pixels, packing);
 454                 assert(ret);
 455
 456                 nouveau_teximage_unmap(ctx, ti);
 457                 _mesa_unmap_teximage_pbo(ctx, packing);
 458         }
 459
 460         if (!to_nouveau_texture(t)->dirty)
 461                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 462                                   width, height, depth);
 463 }
 464
 465 static void
 466 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 467                        GLint xoffset, GLint yoffset, GLint zoffset,
 468                        GLint width, GLint height, GLint depth,
 469                        GLenum format, GLenum type, const void *pixels,
 470                        const struct gl_pixelstore_attrib *packing,
 471                        struct gl_texture_object *t,
 472                        struct gl_texture_image *ti)
 473 {
 474         nouveau_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
 475                             width, height, depth, format, type, pixels,
 476                             packing, t, ti);
 477 }
 478
 479 static void
 480 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 481                        GLint xoffset, GLint yoffset,
 482                        GLint width, GLint height,
 483                        GLenum format, GLenum type, const void *pixels,
 484                        const struct gl_pixelstore_attrib *packing,
 485                        struct gl_texture_object *t,
 486                        struct gl_texture_image *ti)
 487 {
 488         nouveau_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0,
 489                             width, height, 1, format, type, pixels,
 490                             packing, t, ti);
 491 }
 492
 493 static void
 494 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 495                        GLint xoffset, GLint width,
 496                        GLenum format, GLenum type, const void *pixels,
 497                        const struct gl_pixelstore_attrib *packing,
 498                        struct gl_texture_object *t,
 499                        struct gl_texture_image *ti)
 500 {
 501         nouveau_texsubimage(ctx, 1, target, level, xoffset, 0, 0,
 502                             width, 1, 1, format, type, pixels,
 503                             packing, t, ti);
 504 }
 505
 506 static void
 507 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 508                      GLenum format, GLenum type, GLvoid *pixels,
 509                      struct gl_texture_object *t,
 510                      struct gl_texture_image *ti)
 511 {
 512         nouveau_teximage_map(ctx, ti);
 513         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 514                            t, ti);
 515         nouveau_teximage_unmap(ctx, ti);
 516 }
 517
 518 static void
 519 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 520                      struct gl_texture_object *t)
 521 {
 522         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 523         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 524 }
 525
 526 static gl_format
 527 get_texbuffer_format(struct gl_renderbuffer *rb, GLint format)
 528 {
 529         struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
 530
 531         if (s->cpp < 4)
 532                 return s->format;
 533         else if (format == __DRI_TEXTURE_FORMAT_RGBA)
 534                 return MESA_FORMAT_ARGB8888;
 535         else
 536                 return MESA_FORMAT_XRGB8888;
 537 }
 538
 539 void
 540 nouveau_set_texbuffer(__DRIcontext *dri_ctx,
 541                       GLint target, GLint format,
 542                       __DRIdrawable *draw)
 543 {
 544         struct nouveau_context *nctx = dri_ctx->driverPrivate;
 545         GLcontext *ctx = &nctx->base;
 546         struct gl_framebuffer *fb = draw->driverPrivate;
 547         struct gl_renderbuffer *rb =
 548                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 549         struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target);
 550         struct gl_texture_image *ti;
 551         struct nouveau_surface *s;
 552
 553         _mesa_lock_texture(ctx, t);
 554         ti = _mesa_get_tex_image(ctx, t, target, 0);
 555         s = &to_nouveau_teximage(ti)->surface;
 556
 557         /* Update the texture surface with the given drawable. */
 558         nouveau_update_renderbuffers(dri_ctx, draw);
 559         nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s);
 560
 561         /* Update the image fields. */
 562         _mesa_init_teximage_fields(ctx, target, ti, s->width, s->height,
 563                                    1, 0, s->cpp);
 564         ti->RowStride = s->pitch / s->cpp;
 565         ti->TexFormat = s->format = get_texbuffer_format(rb, format);
 566
 567         /* Try to validate it. */
 568         if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1))
 569                 nouveau_texture_reallocate(ctx, t);
 570
 571         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 572         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 573
 574         _mesa_unlock_texture(ctx, t);
 575 }
 576
 577 static void
 578 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 579 {
 580         int i;
 581
 582         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 583                 if (t->Image[0][i])
 584                         nouveau_teximage_map(ctx, t->Image[0][i]);
 585         }
 586 }
 587
 588 static void
 589 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 590 {
 591         int i;
 592
 593         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 594                 if (t->Image[0][i])
 595                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 596         }
 597 }
 598
 599 static void
 600 store_mipmap(GLcontext *ctx, GLenum target, int first, int last,
 601              struct gl_texture_object *t)
 602 {
 603         struct gl_pixelstore_attrib packing = {
 604                 .BufferObj = ctx->Shared->NullBufferObj,
 605                 .Alignment = 1
 606         };
 607         GLenum format = t->Image[0][first]->TexFormat;
 608         unsigned base_format, type, comps;
 609         int i;
 610
 611         base_format = _mesa_get_format_base_format(format);
 612         _mesa_format_to_type_and_comps(format, &type, &comps);
 613
 614         for (i = first; i <= last; i++) {
 615                 struct gl_texture_image *ti = t->Image[0][i];
 616                 void *data = ti->Data;
 617
 618                 nouveau_teximage(ctx, 3, target, i, ti->InternalFormat,
 619                                  ti->Width, ti->Height, ti->Depth,
 620                                  ti->Border, base_format, type, data,
 621                                  &packing, t, ti);
 622
 623                 _mesa_free_texmemory(data);
 624         }
 625 }
 626
 627 static void
 628 nouveau_generate_mipmap(GLcontext *ctx, GLenum target,
 629                         struct gl_texture_object *t)
 630 {
 631         if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, t)) {
 632                 struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 633
 634                 nouveau_teximage_map(ctx, base);
 635                 _mesa_generate_mipmap(ctx, target, t);
 636                 nouveau_teximage_unmap(ctx, base);
 637
 638                 store_mipmap(ctx, target, t->BaseLevel + 1,
 639                              get_last_level(t), t);
 640
 641         } else {
 642                 _mesa_meta_GenerateMipmap(ctx, target, t);
 643         }
 644 }
 645
 646 void
 647 nouveau_texture_functions_init(struct dd_function_table *functions)
 648 {
 649         functions->NewTextureObject = nouveau_texture_new;
 650         functions->DeleteTexture = nouveau_texture_free;
 651         functions->NewTextureImage = nouveau_teximage_new;
 652         functions->FreeTexImageData = nouveau_teximage_free;
 653         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 654         functions->TexImage1D = nouveau_teximage_1d;
 655         functions->TexImage2D = nouveau_teximage_2d;
 656         functions->TexImage3D = nouveau_teximage_3d;
 657         functions->TexSubImage1D = nouveau_texsubimage_1d;
 658         functions->TexSubImage2D = nouveau_texsubimage_2d;
 659         functions->TexSubImage3D = nouveau_texsubimage_3d;
 660         functions->GetTexImage = nouveau_get_teximage;
 661         functions->BindTexture = nouveau_bind_texture;
 662         functions->MapTexture = nouveau_texture_map;
 663         functions->UnmapTexture = nouveau_texture_unmap;
 664         functions->GenerateMipmap = nouveau_generate_mipmap;
 665 }