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