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