src/mesa/drivers/dri/radeon/radeon_bo_legacy.c

   1 /*
   2  * Copyright © 2008 Nicolai Haehnle
   3  * Copyright © 2008 Dave Airlie
   4  * Copyright © 2008 Jérôme Glisse
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * The above copyright notice and this permission notice (including the
  24  * next paragraph) shall be included in all copies or substantial portions
  25  * of the Software.
  26  */
  27 /*
  28  * Authors:
  29  *      Aapo Tahkola <aet@rasterburn.org>
  30  *      Nicolai Haehnle <prefect_@gmx.net>
  31  *      Dave Airlie
  32  *      Jérôme Glisse <glisse@freedesktop.org>
  33  */
  34 #include <stdio.h>
  35 #include <stdint.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <errno.h>
  39 #include <unistd.h>
  40 #include <sys/mman.h>
  41 #include <sys/ioctl.h>
  42 #include "xf86drm.h"
  43 #include "texmem.h"
  44 #include "main/simple_list.h"
  45
  46 #include "drm.h"
  47 #include "radeon_drm.h"
  48 #include "radeon_bo.h"
  49 #include "radeon_bo_legacy.h"
  50 #include "common_context.h"
  51
  52 struct bo_legacy {
  53     struct radeon_bo    base;
  54     driTextureObject    tobj_base;
  55     int                 map_count;
  56     uint32_t            pending;
  57     int                 is_pending;
  58     int                 validated;
  59     int                 static_bo;
  60     int                 got_dri_texture_obj;
  61     int                 dirty;
  62     uint32_t            offset;
  63     driTextureObject    dri_texture_obj;
  64     void                *ptr;
  65     struct bo_legacy    *next, *prev;
  66     struct bo_legacy    *pnext, *pprev;
  67 };
  68
  69 struct bo_manager_legacy {
  70     struct radeon_bo_manager    base;
  71     unsigned                    nhandle;
  72     unsigned                    nfree_handles;
  73     unsigned                    cfree_handles;
  74     uint32_t                    current_age;
  75     struct bo_legacy            bos;
  76     struct bo_legacy            pending_bos;
  77     uint32_t                    fb_location;
  78     uint32_t                    texture_offset;
  79     unsigned                    dma_alloc_size;
  80     uint32_t                    dma_buf_count;
  81     unsigned                    cpendings;
  82     driTextureObject            texture_swapped;
  83     driTexHeap                  *texture_heap;
  84     struct radeon_screen        *screen;
  85     unsigned                    *free_handles;
  86 };
  87
  88 static void bo_legacy_tobj_destroy(void *data, driTextureObject *t)
  89 {
  90     struct bo_legacy *bo_legacy;
  91
  92     bo_legacy = (struct bo_legacy*)((char*)t)-sizeof(struct radeon_bo);
  93     bo_legacy->got_dri_texture_obj = 0;
  94     bo_legacy->validated = 0;
  95 }
  96
  97 static void inline clean_handles(struct bo_manager_legacy *bom)
  98 {
  99   while (bom->cfree_handles > 0 &&
 100          !bom->free_handles[bom->cfree_handles - 1])
 101     bom->cfree_handles--;
 102
 103 }
 104 static int legacy_new_handle(struct bo_manager_legacy *bom, uint32_t *handle)
 105 {
 106     uint32_t tmp;
 107
 108     *handle = 0;
 109     if (bom->nhandle == 0xFFFFFFFF) {
 110         return -EINVAL;
 111     }
 112     if (bom->cfree_handles > 0) {
 113         tmp = bom->free_handles[--bom->cfree_handles];
 114         clean_handles(bom);
 115     } else {
 116         bom->cfree_handles = 0;
 117         tmp = bom->nhandle++;
 118     }
 119     assert(tmp);
 120     *handle = tmp;
 121     return 0;
 122 }
 123
 124 static int legacy_free_handle(struct bo_manager_legacy *bom, uint32_t handle)
 125 {
 126     uint32_t *handles;
 127
 128     if (!handle) {
 129         return 0;
 130     }
 131     if (handle == (bom->nhandle - 1)) {
 132         int i;
 133
 134         bom->nhandle--;
 135         for (i = bom->cfree_handles - 1; i >= 0; i--) {
 136             if (bom->free_handles[i] == (bom->nhandle - 1)) {
 137                 bom->nhandle--;
 138                 bom->free_handles[i] = 0;
 139             }
 140         }
 141         clean_handles(bom);
 142         return 0;
 143     }
 144     if (bom->cfree_handles < bom->nfree_handles) {
 145         bom->free_handles[bom->cfree_handles++] = handle;
 146         return 0;
 147     }
 148     bom->nfree_handles += 0x100;
 149     handles = (uint32_t*)realloc(bom->free_handles, bom->nfree_handles * 4);
 150     if (handles == NULL) {
 151         bom->nfree_handles -= 0x100;
 152         return -ENOMEM;
 153     }
 154     bom->free_handles = handles;
 155     bom->free_handles[bom->cfree_handles++] = handle;
 156     return 0;
 157 }
 158
 159 static void legacy_get_current_age(struct bo_manager_legacy *boml)
 160 {
 161     drm_radeon_getparam_t gp;
 162     int r;
 163
 164     if (IS_R300_CLASS(boml->screen)) {
 165         gp.param = RADEON_PARAM_LAST_CLEAR;
 166         gp.value = (int *)&boml->current_age;
 167         r = drmCommandWriteRead(boml->base.fd, DRM_RADEON_GETPARAM,
 168                              &gp, sizeof(gp));
 169         if (r) {
 170          fprintf(stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__, r);
 171          exit(1);
 172        }
 173     } else
 174         boml->current_age = boml->screen->scratch[3];
 175 }
 176
 177 static int legacy_is_pending(struct radeon_bo *bo)
 178 {
 179     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 180     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 181
 182     if (bo_legacy->is_pending <= 0) {
 183         bo_legacy->is_pending = 0;
 184         return 0;
 185     }
 186     if (boml->current_age >= bo_legacy->pending) {
 187         if (boml->pending_bos.pprev == bo_legacy) {
 188             boml->pending_bos.pprev = bo_legacy->pprev;
 189         }
 190         bo_legacy->pprev->pnext = bo_legacy->pnext;
 191         if (bo_legacy->pnext) {
 192             bo_legacy->pnext->pprev = bo_legacy->pprev;
 193         }
 194         assert(bo_legacy->is_pending <= bo->cref);
 195         while (bo_legacy->is_pending--) {
 196             bo = radeon_bo_unref(bo);
 197             if (!bo)
 198               break;
 199         }
 200         if (bo)
 201           bo_legacy->is_pending = 0;
 202         boml->cpendings--;
 203         return 0;
 204     }
 205     return 1;
 206 }
 207
 208 static int legacy_wait_pending(struct radeon_bo *bo)
 209 {
 210     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 211     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 212
 213     if (!bo_legacy->is_pending) {
 214         return 0;
 215     }
 216     /* FIXME: lockup and userspace busy looping that's all the folks */
 217     legacy_get_current_age(boml);
 218     while (legacy_is_pending(bo)) {
 219         usleep(10);
 220         legacy_get_current_age(boml);
 221     }
 222     return 0;
 223 }
 224
 225 static void legacy_track_pending(struct bo_manager_legacy *boml, int debug)
 226 {
 227     struct bo_legacy *bo_legacy;
 228     struct bo_legacy *next;
 229
 230     legacy_get_current_age(boml);
 231     bo_legacy = boml->pending_bos.pnext;
 232     while (bo_legacy) {
 233         if (debug)
 234           fprintf(stderr,"pending %p %d %d %d\n", bo_legacy, bo_legacy->base.size,
 235                   boml->current_age, bo_legacy->pending);
 236         next = bo_legacy->pnext;
 237         if (legacy_is_pending(&(bo_legacy->base))) {
 238         }
 239         bo_legacy = next;
 240     }
 241 }
 242
 243 static int legacy_wait_any_pending(struct bo_manager_legacy *boml)
 244 {
 245     struct bo_legacy *bo_legacy;
 246     struct bo_legacy *next;
 247
 248     legacy_get_current_age(boml);
 249     bo_legacy = boml->pending_bos.pnext;
 250     if (!bo_legacy)
 251       return -1;
 252     legacy_wait_pending(&bo_legacy->base);
 253     return 0;
 254 }
 255
 256 static struct bo_legacy *bo_allocate(struct bo_manager_legacy *boml,
 257                                      uint32_t size,
 258                                      uint32_t alignment,
 259                                      uint32_t domains,
 260                                      uint32_t flags)
 261 {
 262     struct bo_legacy *bo_legacy;
 263
 264     bo_legacy = (struct bo_legacy*)calloc(1, sizeof(struct bo_legacy));
 265     if (bo_legacy == NULL) {
 266         return NULL;
 267     }
 268     bo_legacy->base.bom = (struct radeon_bo_manager*)boml;
 269     bo_legacy->base.handle = 0;
 270     bo_legacy->base.size = size;
 271     bo_legacy->base.alignment = alignment;
 272     bo_legacy->base.domains = domains;
 273     bo_legacy->base.flags = flags;
 274     bo_legacy->base.ptr = NULL;
 275     bo_legacy->map_count = 0;
 276     bo_legacy->next = NULL;
 277     bo_legacy->prev = NULL;
 278     bo_legacy->got_dri_texture_obj = 0;
 279     bo_legacy->pnext = NULL;
 280     bo_legacy->pprev = NULL;
 281     bo_legacy->next = boml->bos.next;
 282     bo_legacy->prev = &boml->bos;
 283     boml->bos.next = bo_legacy;
 284     if (bo_legacy->next) {
 285         bo_legacy->next->prev = bo_legacy;
 286     }
 287     return bo_legacy;
 288 }
 289
 290 static int bo_dma_alloc(struct radeon_bo *bo)
 291 {
 292     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 293     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 294     drm_radeon_mem_alloc_t alloc;
 295     unsigned size;
 296     int base_offset;
 297     int r;
 298
 299     /* align size on 4Kb */
 300     size = (((4 * 1024) - 1) + bo->size) & ~((4 * 1024) - 1);
 301     alloc.region = RADEON_MEM_REGION_GART;
 302     alloc.alignment = bo_legacy->base.alignment;
 303     alloc.size = size;
 304     alloc.region_offset = &base_offset;
 305     r = drmCommandWriteRead(bo->bom->fd,
 306                             DRM_RADEON_ALLOC,
 307                             &alloc,
 308                             sizeof(alloc));
 309     if (r) {
 310         /* ptr is set to NULL if dma allocation failed */
 311         bo_legacy->ptr = NULL;
 312         return r;
 313     }
 314     bo_legacy->ptr = boml->screen->gartTextures.map + base_offset;
 315     bo_legacy->offset = boml->screen->gart_texture_offset + base_offset;
 316     bo->size = size;
 317     boml->dma_alloc_size += size;
 318     boml->dma_buf_count++;
 319     return 0;
 320 }
 321
 322 static int bo_dma_free(struct radeon_bo *bo)
 323 {
 324     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 325     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 326     drm_radeon_mem_free_t memfree;
 327     int r;
 328
 329     if (bo_legacy->ptr == NULL) {
 330         /* ptr is set to NULL if dma allocation failed */
 331         return 0;
 332     }
 333     legacy_get_current_age(boml);
 334     memfree.region = RADEON_MEM_REGION_GART;
 335     memfree.region_offset  = bo_legacy->offset;
 336     memfree.region_offset -= boml->screen->gart_texture_offset;
 337     r = drmCommandWrite(boml->base.fd,
 338                         DRM_RADEON_FREE,
 339                         &memfree,
 340                         sizeof(memfree));
 341     if (r) {
 342         fprintf(stderr, "Failed to free bo[%p] at %08x\n",
 343                 &bo_legacy->base, memfree.region_offset);
 344         fprintf(stderr, "ret = %s\n", strerror(-r));
 345         return r;
 346     }
 347     boml->dma_alloc_size -= bo_legacy->base.size;
 348     boml->dma_buf_count--;
 349     return 0;
 350 }
 351
 352 static void bo_free(struct bo_legacy *bo_legacy)
 353 {
 354     struct bo_manager_legacy *boml;
 355
 356     if (bo_legacy == NULL) {
 357         return;
 358     }
 359     boml = (struct bo_manager_legacy *)bo_legacy->base.bom;
 360     bo_legacy->prev->next = bo_legacy->next;
 361     if (bo_legacy->next) {
 362         bo_legacy->next->prev = bo_legacy->prev;
 363     }
 364     if (!bo_legacy->static_bo) {
 365         legacy_free_handle(boml, bo_legacy->base.handle);
 366         if (bo_legacy->base.domains & RADEON_GEM_DOMAIN_GTT) {
 367             /* dma buffers */
 368             bo_dma_free(&bo_legacy->base);
 369         } else {
 370             /* free backing store */
 371             free(bo_legacy->ptr);
 372         }
 373     }
 374     memset(bo_legacy, 0 , sizeof(struct bo_legacy));
 375     free(bo_legacy);
 376 }
 377
 378 static struct radeon_bo *bo_open(struct radeon_bo_manager *bom,
 379                                  uint32_t handle,
 380                                  uint32_t size,
 381                                  uint32_t alignment,
 382                                  uint32_t domains,
 383                                  uint32_t flags)
 384 {
 385     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bom;
 386     struct bo_legacy *bo_legacy;
 387     int r;
 388
 389     if (handle) {
 390         bo_legacy = boml->bos.next;
 391         while (bo_legacy) {
 392             if (bo_legacy->base.handle == handle) {
 393                 radeon_bo_ref(&(bo_legacy->base));
 394                 return (struct radeon_bo*)bo_legacy;
 395             }
 396             bo_legacy = bo_legacy->next;
 397         }
 398         return NULL;
 399     }
 400
 401     bo_legacy = bo_allocate(boml, size, alignment, domains, flags);
 402     bo_legacy->static_bo = 0;
 403     r = legacy_new_handle(boml, &bo_legacy->base.handle);
 404     if (r) {
 405         bo_free(bo_legacy);
 406         return NULL;
 407     }
 408     if (bo_legacy->base.domains & RADEON_GEM_DOMAIN_GTT) {
 409     retry:
 410         legacy_track_pending(boml, 0);
 411         /* dma buffers */
 412
 413         r = bo_dma_alloc(&(bo_legacy->base));
 414         if (r) {
 415           if (legacy_wait_any_pending(boml) == -1) {
 416             bo_free(bo_legacy);
 417             return NULL;
 418           }
 419           goto retry;
 420           return NULL;
 421         }
 422     } else {
 423         bo_legacy->ptr = malloc(bo_legacy->base.size);
 424         if (bo_legacy->ptr == NULL) {
 425             bo_free(bo_legacy);
 426             return NULL;
 427         }
 428     }
 429     radeon_bo_ref(&(bo_legacy->base));
 430     return (struct radeon_bo*)bo_legacy;
 431 }
 432
 433 static void bo_ref(struct radeon_bo *bo)
 434 {
 435 }
 436
 437 static struct radeon_bo *bo_unref(struct radeon_bo *bo)
 438 {
 439     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 440
 441     if (bo->cref <= 0) {
 442         bo_legacy->prev->next = bo_legacy->next;
 443         if (bo_legacy->next) {
 444             bo_legacy->next->prev = bo_legacy->prev;
 445         }
 446         if (!bo_legacy->is_pending) {
 447             bo_free(bo_legacy);
 448         }
 449         return NULL;
 450     }
 451     return bo;
 452 }
 453
 454 static int bo_map(struct radeon_bo *bo, int write)
 455 {
 456     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 457     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 458
 459     legacy_wait_pending(bo);
 460     bo_legacy->validated = 0;
 461     bo_legacy->dirty = 1;
 462     bo_legacy->map_count++;
 463     bo->ptr = bo_legacy->ptr;
 464     /* Read the first pixel in the frame buffer.  This should
 465      * be a noop, right?  In fact without this conform fails as reading
 466      * from the framebuffer sometimes produces old results -- the
 467      * on-card read cache gets mixed up and doesn't notice that the
 468      * framebuffer has been updated.
 469      *
 470      * Note that we should probably be reading some otherwise unused
 471      * region of VRAM, otherwise we might get incorrect results when
 472      * reading pixels from the top left of the screen.
 473      *
 474      * I found this problem on an R420 with glean's texCube test.
 475      * Note that the R200 span code also *writes* the first pixel in the
 476      * framebuffer, but I've found this to be unnecessary.
 477      *  -- Nicolai Hähnle, June 2008
 478      */
 479     {
 480         int p;
 481         volatile int *buf = (int*)boml->screen->driScreen->pFB;
 482         p = *buf;
 483     }
 484     return 0;
 485 }
 486
 487 static int bo_unmap(struct radeon_bo *bo)
 488 {
 489     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 490
 491     if (--bo_legacy->map_count > 0) {
 492         return 0;
 493     }
 494     bo->ptr = NULL;
 495     return 0;
 496 }
 497
 498 static struct radeon_bo_funcs bo_legacy_funcs = {
 499     bo_open,
 500     bo_ref,
 501     bo_unref,
 502     bo_map,
 503     bo_unmap
 504 };
 505
 506 static int bo_vram_validate(struct radeon_bo *bo,
 507                             uint32_t *soffset,
 508                             uint32_t *eoffset)
 509 {
 510     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 511     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 512     int r;
 513
 514     if (!bo_legacy->got_dri_texture_obj) {
 515         make_empty_list(&bo_legacy->dri_texture_obj);
 516         bo_legacy->dri_texture_obj.totalSize = bo->size;
 517         r = driAllocateTexture(&boml->texture_heap, 1,
 518                                &bo_legacy->dri_texture_obj);
 519         if (r) {
 520             uint8_t *segfault=NULL;
 521             fprintf(stderr, "Ouch! vram_validate failed %d\n", r);
 522             *segfault=1;
 523             return -1;
 524         }
 525         bo_legacy->offset = boml->texture_offset +
 526                             bo_legacy->dri_texture_obj.memBlock->ofs;
 527         bo_legacy->got_dri_texture_obj = 1;
 528         bo_legacy->dirty = 1;
 529     }
 530     if (bo_legacy->dirty) {
 531         /* Copy to VRAM using a blit.
 532          * All memory is 4K aligned. We're using 1024 pixels wide blits.
 533          */
 534         drm_radeon_texture_t tex;
 535         drm_radeon_tex_image_t tmp;
 536         int ret;
 537
 538         tex.offset = bo_legacy->offset;
 539         tex.image = &tmp;
 540         assert(!(tex.offset & 1023));
 541
 542         tmp.x = 0;
 543         tmp.y = 0;
 544         if (bo->size < 4096) {
 545             tmp.width = (bo->size + 3) / 4;
 546             tmp.height = 1;
 547         } else {
 548             tmp.width = 1024;
 549             tmp.height = (bo->size + 4095) / 4096;
 550         }
 551         tmp.data = bo_legacy->ptr;
 552         tex.format = RADEON_TXFORMAT_ARGB8888;
 553         tex.width = tmp.width;
 554         tex.height = tmp.height;
 555         tex.pitch = MAX2(tmp.width / 16, 1);
 556         do {
 557             ret = drmCommandWriteRead(bo->bom->fd,
 558                                       DRM_RADEON_TEXTURE,
 559                                       &tex,
 560                                       sizeof(drm_radeon_texture_t));
 561             if (ret) {
 562                 if (RADEON_DEBUG & DEBUG_IOCTL)
 563                     fprintf(stderr, "DRM_RADEON_TEXTURE:  again!\n");
 564                 usleep(1);
 565             }
 566         } while (ret == -EAGAIN);
 567         bo_legacy->dirty = 0;
 568     }
 569     return 0;
 570 }
 571
 572 int radeon_bo_legacy_validate(struct radeon_bo *bo,
 573                               uint32_t *soffset,
 574                               uint32_t *eoffset)
 575 {
 576     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 577     int r;
 578
 579     if (bo_legacy->map_count) {
 580         fprintf(stderr, "bo(%p, %d) is mapped (%d) can't valide it.\n",
 581                 bo, bo->size, bo_legacy->map_count);
 582         return -EINVAL;
 583     }
 584     if (bo_legacy->static_bo || bo_legacy->validated) {
 585         *soffset = bo_legacy->offset;
 586         *eoffset = bo_legacy->offset + bo->size;
 587         return 0;
 588     }
 589     if (!(bo->domains & RADEON_GEM_DOMAIN_GTT)) {
 590         r = bo_vram_validate(bo, soffset, eoffset);
 591         if (r) {
 592             return r;
 593         }
 594     }
 595     *soffset = bo_legacy->offset;
 596     *eoffset = bo_legacy->offset + bo->size;
 597     bo_legacy->validated = 1;
 598     return 0;
 599 }
 600
 601 void radeon_bo_legacy_pending(struct radeon_bo *bo, uint32_t pending)
 602 {
 603     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bo->bom;
 604     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 605
 606     bo_legacy->pending = pending;
 607     bo_legacy->is_pending++;
 608     /* add to pending list */
 609     radeon_bo_ref(bo);
 610     if (bo_legacy->is_pending > 1) {
 611         return;
 612     }
 613     bo_legacy->pprev = boml->pending_bos.pprev;
 614     bo_legacy->pnext = NULL;
 615     bo_legacy->pprev->pnext = bo_legacy;
 616     boml->pending_bos.pprev = bo_legacy;
 617     boml->cpendings++;
 618 }
 619
 620 void radeon_bo_manager_legacy_dtor(struct radeon_bo_manager *bom)
 621 {
 622     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bom;
 623     struct bo_legacy *bo_legacy;
 624
 625     if (bom == NULL) {
 626         return;
 627     }
 628     bo_legacy = boml->bos.next;
 629     while (bo_legacy) {
 630         struct bo_legacy *next;
 631
 632         next = bo_legacy->next;
 633         bo_free(bo_legacy);
 634         bo_legacy = next;
 635     }
 636     free(boml->free_handles);
 637     free(boml);
 638 }
 639
 640 static struct bo_legacy *radeon_legacy_bo_alloc_static(struct bo_manager_legacy *bom,
 641                                                        int size, uint32_t offset)
 642 {
 643     struct bo_legacy *bo;
 644
 645     bo = bo_allocate(bom, size, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 646     if (bo == NULL)
 647         return NULL;
 648     bo->static_bo = 1;
 649     bo->offset = offset + bom->fb_location;
 650     bo->base.handle = bo->offset;
 651     bo->ptr = bom->screen->driScreen->pFB + offset;
 652     if (bo->base.handle > bom->nhandle) {
 653         bom->nhandle = bo->base.handle + 1;
 654     }
 655     return bo;
 656 }
 657
 658 struct radeon_bo_manager *radeon_bo_manager_legacy_ctor(struct radeon_screen *scrn)
 659 {
 660     struct bo_manager_legacy *bom;
 661     struct bo_legacy *bo;
 662     unsigned size;
 663
 664     bom = (struct bo_manager_legacy*)
 665           calloc(1, sizeof(struct bo_manager_legacy));
 666     if (bom == NULL) {
 667         return NULL;
 668     }
 669
 670     bom->texture_heap = driCreateTextureHeap(0,
 671                                              bom,
 672                                              scrn->texSize[0],
 673                                              12,
 674                                              RADEON_NR_TEX_REGIONS,
 675                                              (drmTextureRegionPtr)scrn->sarea->tex_list[0],
 676                                              &scrn->sarea->tex_age[0],
 677                                              &bom->texture_swapped,
 678                                              sizeof(struct bo_legacy),
 679                                              &bo_legacy_tobj_destroy);
 680     bom->texture_offset = scrn->texOffset[0];
 681
 682     bom->base.funcs = &bo_legacy_funcs;
 683     bom->base.fd = scrn->driScreen->fd;
 684     bom->bos.next = NULL;
 685     bom->bos.prev = NULL;
 686     bom->pending_bos.pprev = &bom->pending_bos;
 687     bom->pending_bos.pnext = NULL;
 688     bom->screen = scrn;
 689     bom->fb_location = scrn->fbLocation;
 690     bom->nhandle = 1;
 691     bom->cfree_handles = 0;
 692     bom->nfree_handles = 0x400;
 693     bom->free_handles = (uint32_t*)malloc(bom->nfree_handles * 4);
 694     if (bom->free_handles == NULL) {
 695         radeon_bo_manager_legacy_dtor((struct radeon_bo_manager*)bom);
 696         return NULL;
 697     }
 698
 699     /* biggest framebuffer size */
 700     size = 4096*4096*4;
 701
 702     /* allocate front */
 703     bo = radeon_legacy_bo_alloc_static(bom, size, bom->screen->frontOffset);
 704     if (!bo) {
 705         radeon_bo_manager_legacy_dtor((struct radeon_bo_manager*)bom);
 706         return NULL;
 707     }
 708     if (scrn->sarea->tiling_enabled) {
 709         bo->base.flags = RADEON_BO_FLAGS_MACRO_TILE;
 710     }
 711
 712     /* allocate back */
 713     bo = radeon_legacy_bo_alloc_static(bom, size, bom->screen->backOffset);
 714     if (!bo) {
 715         radeon_bo_manager_legacy_dtor((struct radeon_bo_manager*)bom);
 716         return NULL;
 717     }
 718     if (scrn->sarea->tiling_enabled) {
 719         bo->base.flags = RADEON_BO_FLAGS_MACRO_TILE;
 720     }
 721
 722     /* allocate depth */
 723     bo = radeon_legacy_bo_alloc_static(bom, size, bom->screen->depthOffset);
 724     if (!bo) {
 725         radeon_bo_manager_legacy_dtor((struct radeon_bo_manager*)bom);
 726         return NULL;
 727     }
 728     bo->base.flags = 0;
 729     if (scrn->sarea->tiling_enabled) {
 730         bo->base.flags |= RADEON_BO_FLAGS_MACRO_TILE;
 731         bo->base.flags |= RADEON_BO_FLAGS_MICRO_TILE;
 732     }
 733     return (struct radeon_bo_manager*)bom;
 734 }
 735
 736 void radeon_bo_legacy_texture_age(struct radeon_bo_manager *bom)
 737 {
 738     struct bo_manager_legacy *boml = (struct bo_manager_legacy *)bom;
 739     DRI_AGE_TEXTURES(boml->texture_heap);
 740 }
 741
 742 unsigned radeon_bo_legacy_relocs_size(struct radeon_bo *bo)
 743 {
 744     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 745
 746     if (bo_legacy->static_bo || (bo->domains & RADEON_GEM_DOMAIN_GTT)) {
 747         return 0;
 748     }
 749     return bo->size;
 750 }
 751
 752 int radeon_legacy_bo_is_static(struct radeon_bo *bo)
 753 {
 754     struct bo_legacy *bo_legacy = (struct bo_legacy*)bo;
 755     return bo_legacy->static_bo;
 756 }
 757