workbench/libs/mesa/src/gallium/drivers/nvc0/nvc0_transfer.c

   1
   2 #include "util/u_format.h"
   3
   4 #include "nvc0_context.h"
   5 #include "nvc0_transfer.h"
   6
   7 #include "nv50/nv50_defs.xml.h"
   8
   9 struct nvc0_transfer {
  10    struct pipe_transfer base;
  11    struct nvc0_m2mf_rect rect[2];
  12    uint32_t nblocksx;
  13    uint16_t nblocksy;
  14    uint16_t nlayers;
  15 };
  16
  17 void
  18 nvc0_m2mf_transfer_rect(struct pipe_screen *pscreen,
  19                         const struct nvc0_m2mf_rect *dst,
  20                         const struct nvc0_m2mf_rect *src,
  21                         uint32_t nblocksx, uint32_t nblocksy)
  22 {
  23    struct nouveau_channel *chan = nouveau_screen(pscreen)->channel;
  24    const int cpp = dst->cpp;
  25    uint32_t src_ofst = src->base;
  26    uint32_t dst_ofst = dst->base;
  27    uint32_t height = nblocksy;
  28    uint32_t sy = src->y;
  29    uint32_t dy = dst->y;
  30    uint32_t exec = (1 << 20);
  31
  32    assert(dst->cpp == src->cpp);
  33
  34    if (nouveau_bo_tile_layout(src->bo)) {
  35       BEGIN_RING(chan, RING_MF(TILING_MODE_IN), 5);
  36       OUT_RING  (chan, src->tile_mode);
  37       OUT_RING  (chan, src->width * cpp);
  38       OUT_RING  (chan, src->height);
  39       OUT_RING  (chan, src->depth);
  40       OUT_RING  (chan, src->z);
  41    } else {
  42       src_ofst += src->y * src->pitch + src->x * cpp;
  43
  44       BEGIN_RING(chan, RING_MF(PITCH_IN), 1);
  45       OUT_RING  (chan, src->width * cpp);
  46
  47       exec |= NVC0_M2MF_EXEC_LINEAR_IN;
  48    }
  49
  50    if (nouveau_bo_tile_layout(dst->bo)) {
  51       BEGIN_RING(chan, RING_MF(TILING_MODE_OUT), 5);
  52       OUT_RING  (chan, dst->tile_mode);
  53       OUT_RING  (chan, dst->width * cpp);
  54       OUT_RING  (chan, dst->height);
  55       OUT_RING  (chan, dst->depth);
  56       OUT_RING  (chan, dst->z);
  57    } else {
  58       dst_ofst += dst->y * dst->pitch + dst->x * cpp;
  59
  60       BEGIN_RING(chan, RING_MF(PITCH_OUT), 1);
  61       OUT_RING  (chan, dst->width * cpp);
  62
  63       exec |= NVC0_M2MF_EXEC_LINEAR_OUT;
  64    }
  65
  66    while (height) {
  67       int line_count = height > 2047 ? 2047 : height;
  68
  69       MARK_RING (chan, 17, 4);
  70
  71       BEGIN_RING(chan, RING_MF(OFFSET_IN_HIGH), 2);
  72       OUT_RELOCh(chan, src->bo, src_ofst, src->domain | NOUVEAU_BO_RD);
  73       OUT_RELOCl(chan, src->bo, src_ofst, src->domain | NOUVEAU_BO_RD);
  74
  75       BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
  76       OUT_RELOCh(chan, dst->bo, dst_ofst, dst->domain | NOUVEAU_BO_WR);
  77       OUT_RELOCl(chan, dst->bo, dst_ofst, dst->domain | NOUVEAU_BO_WR);
  78
  79       if (!(exec & NVC0_M2MF_EXEC_LINEAR_IN)) {
  80          BEGIN_RING(chan, RING_MF(TILING_POSITION_IN_X), 2);
  81          OUT_RING  (chan, src->x * cpp);
  82          OUT_RING  (chan, sy);
  83       } else {
  84          src_ofst += line_count * src->pitch;
  85       }
  86       if (!(exec & NVC0_M2MF_EXEC_LINEAR_OUT)) {
  87          BEGIN_RING(chan, RING_MF(TILING_POSITION_OUT_X), 2);
  88          OUT_RING  (chan, dst->x * cpp);
  89          OUT_RING  (chan, dy);
  90       } else {
  91          dst_ofst += line_count * dst->pitch;
  92       }
  93
  94       BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
  95       OUT_RING  (chan, nblocksx * cpp);
  96       OUT_RING  (chan, line_count);
  97       BEGIN_RING(chan, RING_MF(EXEC), 1);
  98       OUT_RING  (chan, exec);
  99
 100       height -= line_count;
 101       sy += line_count;
 102       dy += line_count;
 103    }
 104 }
 105
 106 void
 107 nvc0_m2mf_push_linear(struct nouveau_context *nv,
 108                       struct nouveau_bo *dst, unsigned offset, unsigned domain,
 109                       unsigned size, void *data)
 110 {
 111    struct nouveau_channel *chan = nv->screen->channel;
 112    uint32_t *src = (uint32_t *)data;
 113    unsigned count = (size + 3) / 4;
 114
 115    MARK_RING (chan, 8, 2);
 116
 117    BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
 118    OUT_RELOCh(chan, dst, offset, domain | NOUVEAU_BO_WR);
 119    OUT_RELOCl(chan, dst, offset, domain | NOUVEAU_BO_WR);
 120    BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
 121    OUT_RING  (chan, size);
 122    OUT_RING  (chan, 1);
 123    BEGIN_RING(chan, RING_MF(EXEC), 1);
 124    OUT_RING  (chan, 0x100111);
 125
 126    while (count) {
 127       unsigned nr = AVAIL_RING(chan);
 128
 129       if (nr < 9) {
 130          FIRE_RING(chan);
 131          nouveau_bo_validate(chan, dst, NOUVEAU_BO_WR);
 132          continue;
 133       }
 134       nr = MIN2(count, nr - 1);
 135       nr = MIN2(nr, NV04_PFIFO_MAX_PACKET_LEN);
 136
 137       BEGIN_RING_NI(chan, RING_MF(DATA), nr);
 138       OUT_RINGp (chan, src, nr);
 139
 140       src += nr;
 141       count -= nr;
 142    }
 143 }
 144
 145 void
 146 nvc0_m2mf_copy_linear(struct nouveau_context *nv,
 147                       struct nouveau_bo *dst, unsigned dstoff, unsigned dstdom,
 148                       struct nouveau_bo *src, unsigned srcoff, unsigned srcdom,
 149                       unsigned size)
 150 {
 151    struct nouveau_channel *chan = nv->screen->channel;
 152
 153    while (size) {
 154       unsigned bytes = MIN2(size, 1 << 17);
 155
 156       MARK_RING (chan, 11, 4);
 157
 158       BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
 159       OUT_RELOCh(chan, dst, dstoff, dstdom | NOUVEAU_BO_WR);
 160       OUT_RELOCl(chan, dst, dstoff, dstdom | NOUVEAU_BO_WR);
 161       BEGIN_RING(chan, RING_MF(OFFSET_IN_HIGH), 2);
 162       OUT_RELOCh(chan, src, srcoff, srcdom | NOUVEAU_BO_RD);
 163       OUT_RELOCl(chan, src, srcoff, srcdom | NOUVEAU_BO_RD);
 164       BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
 165       OUT_RING  (chan, bytes);
 166       OUT_RING  (chan, 1);
 167       BEGIN_RING(chan, RING_MF(EXEC), 1);
 168       OUT_RING  (chan, (1 << NVC0_M2MF_EXEC_INC__SHIFT) |
 169                  NVC0_M2MF_EXEC_LINEAR_IN | NVC0_M2MF_EXEC_LINEAR_OUT);
 170
 171       srcoff += bytes;
 172       dstoff += bytes;
 173       size -= bytes;
 174    }
 175 }
 176
 177 #ifdef USE_UNUSED_CODE
 178 static void
 179 nvc0_m2mf_push_rect(struct pipe_screen *pscreen,
 180                     const struct nvc0_m2mf_rect *dst,
 181                     const void *data,
 182                     unsigned nblocksx, unsigned nblocksy)
 183 {
 184    struct nouveau_channel *chan;
 185    const uint8_t *src = (const uint8_t *)data;
 186    const int cpp = dst->cpp;
 187    const int line_len = nblocksx * cpp;
 188    int dy = dst->y;
 189
 190    assert(nouveau_bo_tile_layout(dst->bo));
 191
 192    BEGIN_RING(chan, RING_MF(TILING_MODE_OUT), 5);
 193    OUT_RING  (chan, dst->tile_mode);
 194    OUT_RING  (chan, dst->width * cpp);
 195    OUT_RING  (chan, dst->height);
 196    OUT_RING  (chan, dst->depth);
 197    OUT_RING  (chan, dst->z);
 198
 199    while (nblocksy) {
 200       int line_count, words;
 201       int size = MIN2(AVAIL_RING(chan), NV04_PFIFO_MAX_PACKET_LEN);
 202
 203       if (size < (12 + words)) {
 204          FIRE_RING(chan);
 205          continue;
 206       }
 207       line_count = (size * 4) / line_len;
 208       words = (line_count * line_len + 3) / 4;
 209
 210       BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
 211       OUT_RELOCh(chan, dst->bo, dst->base, dst->domain | NOUVEAU_BO_WR);
 212       OUT_RELOCl(chan, dst->bo, dst->base, dst->domain | NOUVEAU_BO_WR);
 213
 214       BEGIN_RING(chan, RING_MF(TILING_POSITION_OUT_X), 2);
 215       OUT_RING  (chan, dst->x * cpp);
 216       OUT_RING  (chan, dy);
 217       BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
 218       OUT_RING  (chan, line_len);
 219       OUT_RING  (chan, line_count);
 220       BEGIN_RING(chan, RING_MF(EXEC), 1);
 221       OUT_RING  (chan, (1 << NVC0_M2MF_EXEC_INC__SHIFT) |
 222                  NVC0_M2MF_EXEC_PUSH | NVC0_M2MF_EXEC_LINEAR_IN);
 223
 224       BEGIN_RING_NI(chan, RING_MF(DATA), words);
 225       OUT_RINGp (chan, src, words);
 226
 227       dy += line_count;
 228       src += line_len * line_count;
 229       nblocksy -= line_count;
 230    }
 231 }
 232 #endif
 233
 234 struct pipe_transfer *
 235 nvc0_miptree_transfer_new(struct pipe_context *pctx,
 236                           struct pipe_resource *res,
 237                           unsigned level,
 238                           unsigned usage,
 239                           const struct pipe_box *box)
 240 {
 241    struct nvc0_context *nvc0 = nvc0_context(pctx);
 242    struct pipe_screen *pscreen = pctx->screen;
 243    struct nouveau_device *dev = nvc0->screen->base.device;
 244    struct nvc0_miptree *mt = nvc0_miptree(res);
 245    struct nvc0_miptree_level *lvl = &mt->level[level];
 246    struct nvc0_transfer *tx;
 247    uint32_t size;
 248    uint32_t w, h, d, z, layer;
 249    int ret;
 250
 251    if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
 252       return NULL;
 253
 254    tx = CALLOC_STRUCT(nvc0_transfer);
 255    if (!tx)
 256       return NULL;
 257
 258    if (mt->layout_3d) {
 259       z = box->z;
 260       d = u_minify(res->depth0, level);
 261       layer = 0;
 262    } else {
 263       z = 0;
 264       d = 1;
 265       layer = box->z;
 266    }
 267    tx->nlayers = box->depth;
 268
 269    pipe_resource_reference(&tx->base.resource, res);
 270
 271    tx->base.level = level;
 272    tx->base.usage = usage;
 273    tx->base.box = *box;
 274
 275    tx->nblocksx = util_format_get_nblocksx(res->format, box->width);
 276    tx->nblocksy = util_format_get_nblocksy(res->format, box->height);
 277
 278    tx->base.stride = tx->nblocksx * util_format_get_blocksize(res->format);
 279    tx->base.layer_stride = tx->nblocksy * tx->base.stride;
 280
 281    w = u_minify(res->width0, level);
 282    h = u_minify(res->height0, level);
 283
 284    tx->rect[0].cpp = tx->rect[1].cpp = util_format_get_blocksize(res->format);
 285
 286    tx->rect[0].bo = mt->base.bo;
 287    tx->rect[0].base = lvl->offset + layer * mt->layer_stride;
 288    tx->rect[0].tile_mode = lvl->tile_mode;
 289    tx->rect[0].x = util_format_get_nblocksx(res->format, box->x);
 290    tx->rect[0].y = util_format_get_nblocksy(res->format, box->y);
 291    tx->rect[0].z = z;
 292    tx->rect[0].width = util_format_get_nblocksx(res->format, w);
 293    tx->rect[0].height = util_format_get_nblocksy(res->format, h);
 294    tx->rect[0].depth = d;
 295    tx->rect[0].pitch = lvl->pitch;
 296    tx->rect[0].domain = NOUVEAU_BO_VRAM;
 297
 298    size = tx->base.layer_stride;
 299
 300    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
 301                         size * tx->nlayers, &tx->rect[1].bo);
 302    if (ret) {
 303       FREE(tx);
 304       return NULL;
 305    }
 306
 307    tx->rect[1].width = tx->nblocksx;
 308    tx->rect[1].height = tx->nblocksy;
 309    tx->rect[1].depth = 1;
 310    tx->rect[1].pitch = tx->base.stride;
 311    tx->rect[1].domain = NOUVEAU_BO_GART;
 312
 313    if (usage & PIPE_TRANSFER_READ) {
 314       unsigned base = tx->rect[0].base;
 315       unsigned i;
 316       for (i = 0; i < tx->nlayers; ++i) {
 317          nvc0_m2mf_transfer_rect(pscreen, &tx->rect[1], &tx->rect[0],
 318                                  tx->nblocksx, tx->nblocksy);
 319          if (mt->layout_3d)
 320             tx->rect[0].z++;
 321          else
 322             tx->rect[0].base += mt->layer_stride;
 323          tx->rect[1].base += size;
 324       }
 325       tx->rect[0].z = z;
 326       tx->rect[0].base = base;
 327       tx->rect[1].base = 0;
 328    }
 329
 330    return &tx->base;
 331 }
 332
 333 void
 334 nvc0_miptree_transfer_del(struct pipe_context *pctx,
 335                           struct pipe_transfer *transfer)
 336 {
 337    struct pipe_screen *pscreen = pctx->screen;
 338    struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
 339    struct nvc0_miptree *mt = nvc0_miptree(tx->base.resource);
 340    unsigned i;
 341
 342    if (tx->base.usage & PIPE_TRANSFER_WRITE) {
 343       for (i = 0; i < tx->nlayers; ++i) {
 344          nvc0_m2mf_transfer_rect(pscreen, &tx->rect[0], &tx->rect[1],
 345                                  tx->nblocksx, tx->nblocksy);
 346          if (mt->layout_3d)
 347             tx->rect[0].z++;
 348          else
 349             tx->rect[0].base += mt->layer_stride;
 350          tx->rect[1].base += tx->nblocksy * tx->base.stride;
 351       }
 352    }
 353
 354    nouveau_bo_ref(NULL, &tx->rect[1].bo);
 355    pipe_resource_reference(&transfer->resource, NULL);
 356
 357    FREE(tx);
 358 }
 359
 360 void *
 361 nvc0_miptree_transfer_map(struct pipe_context *pctx,
 362                           struct pipe_transfer *transfer)
 363 {
 364    struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
 365    int ret;
 366    unsigned flags = 0;
 367
 368    if (tx->rect[1].bo->map)
 369       return tx->rect[1].bo->map;
 370
 371    if (transfer->usage & PIPE_TRANSFER_READ)
 372       flags = NOUVEAU_BO_RD;
 373    if (transfer->usage & PIPE_TRANSFER_WRITE)
 374       flags |= NOUVEAU_BO_WR;
 375
 376    ret = nouveau_bo_map(tx->rect[1].bo, flags);
 377    if (ret)
 378       return NULL;
 379    return tx->rect[1].bo->map;
 380 }
 381
 382 void
 383 nvc0_miptree_transfer_unmap(struct pipe_context *pctx,
 384                             struct pipe_transfer *transfer)
 385 {
 386    struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
 387
 388    nouveau_bo_unmap(tx->rect[1].bo);
 389 }
 390