Exemplo n.º 1
0
static void
nv50_resource_copy_region(struct pipe_context *pipe,
                          struct pipe_resource *dst, unsigned dst_level,
                          unsigned dstx, unsigned dsty, unsigned dstz,
                          struct pipe_resource *src, unsigned src_level,
                          const struct pipe_box *src_box)
{
   struct nv50_screen *screen = nv50_context(pipe)->screen;
   int ret;
   boolean m2mf;
   unsigned dst_layer = dstz, src_layer = src_box->z;

   /* Fallback for buffers. */
   if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
      util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
                                src, src_level, src_box);
      return;
   }

   assert(src->nr_samples == dst->nr_samples);

   m2mf = (src->format == dst->format) ||
      (util_format_get_blocksizebits(src->format) ==
       util_format_get_blocksizebits(dst->format));

   nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;

   if (m2mf) {
      struct nv50_m2mf_rect drect, srect;
      unsigned i;
      unsigned nx = util_format_get_nblocksx(src->format, src_box->width);
      unsigned ny = util_format_get_nblocksy(src->format, src_box->height);

      nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
      nv50_m2mf_rect_setup(&srect, src, src_level,
                           src_box->x, src_box->y, src_box->z);

      for (i = 0; i < src_box->depth; ++i) {
         nv50_m2mf_transfer_rect(&screen->base.base, &drect, &srect, nx, ny);

         if (nv50_miptree(dst)->layout_3d)
            drect.z++;
         else
            drect.base += nv50_miptree(dst)->layer_stride;

         if (nv50_miptree(src)->layout_3d)
            srect.z++;
         else
            srect.base += nv50_miptree(src)->layer_stride;
      }
      return;
   }

   assert((src->format == dst->format) ||
          (nv50_2d_format_faithful(src->format) &&
           nv50_2d_format_faithful(dst->format)));

   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
      ret = nv50_2d_texture_do_copy(screen->base.channel,
                                    nv50_miptree(dst), dst_level,
                                    dstx, dsty, dst_layer,
                                    nv50_miptree(src), src_level,
                                    src_box->x, src_box->y, src_layer,
                                    src_box->width, src_box->height);
      if (ret)
         return;
   }
}
Exemplo n.º 2
0
static void
nvc0_resource_copy_region(struct pipe_context *pipe,
                          struct pipe_resource *dst, unsigned dst_level,
                          unsigned dstx, unsigned dsty, unsigned dstz,
                          struct pipe_resource *src, unsigned src_level,
                          const struct pipe_box *src_box)
{
   struct nvc0_context *nvc0 = nvc0_context(pipe);
   int ret;
   boolean m2mf;
   unsigned dst_layer = dstz, src_layer = src_box->z;

   if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
      nouveau_copy_buffer(&nvc0->base,
                          nv04_resource(dst), dstx,
                          nv04_resource(src), src_box->x, src_box->width);
      NOUVEAU_DRV_STAT(&nvc0->screen->base, buf_copy_bytes, src_box->width);
      return;
   }
   NOUVEAU_DRV_STAT(&nvc0->screen->base, tex_copy_count, 1);

   /* 0 and 1 are equal, only supporting 0/1, 2, 4 and 8 */
   assert((src->nr_samples | 1) == (dst->nr_samples | 1));

   m2mf = (src->format == dst->format) ||
      (util_format_get_blocksizebits(src->format) ==
       util_format_get_blocksizebits(dst->format));

   nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;

   if (m2mf) {
      struct nv50_m2mf_rect drect, srect;
      unsigned i;
      unsigned nx = util_format_get_nblocksx(src->format, src_box->width);
      unsigned ny = util_format_get_nblocksy(src->format, src_box->height);

      nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
      nv50_m2mf_rect_setup(&srect, src, src_level,
                           src_box->x, src_box->y, src_box->z);

      for (i = 0; i < src_box->depth; ++i) {
         nvc0->m2mf_copy_rect(nvc0, &drect, &srect, nx, ny);

         if (nv50_miptree(dst)->layout_3d)
            drect.z++;
         else
            drect.base += nv50_miptree(dst)->layer_stride;

         if (nv50_miptree(src)->layout_3d)
            srect.z++;
         else
            srect.base += nv50_miptree(src)->layer_stride;
      }
      return;
   }

   assert(nv50_2d_dst_format_faithful(dst->format));
   assert(nv50_2d_src_format_faithful(src->format));

   BCTX_REFN(nvc0->bufctx, 2D, nv04_resource(src), RD);
   BCTX_REFN(nvc0->bufctx, 2D, nv04_resource(dst), WR);
   nouveau_pushbuf_bufctx(nvc0->base.pushbuf, nvc0->bufctx);
   nouveau_pushbuf_validate(nvc0->base.pushbuf);

   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
      ret = nvc0_2d_texture_do_copy(nvc0->base.pushbuf,
                                    nv50_miptree(dst), dst_level,
                                    dstx, dsty, dst_layer,
                                    nv50_miptree(src), src_level,
                                    src_box->x, src_box->y, src_layer,
                                    src_box->width, src_box->height);
      if (ret)
         break;
   }
   nouveau_bufctx_reset(nvc0->bufctx, 0);
}
Exemplo n.º 3
0
void *
nvc0_miptree_transfer_map(struct pipe_context *pctx,
                          struct pipe_resource *res,
                          unsigned level,
                          unsigned usage,
                          const struct pipe_box *box,
                          struct pipe_transfer **ptransfer)
{
   struct nvc0_context *nvc0 = nvc0_context(pctx);
   struct nouveau_device *dev = nvc0->screen->base.device;
   struct nv50_miptree *mt = nv50_miptree(res);
   struct nvc0_transfer *tx;
   uint32_t size;
   int ret;
   unsigned flags = 0;

   if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
      return NULL;

   tx = CALLOC_STRUCT(nvc0_transfer);
   if (!tx)
      return NULL;

   pipe_resource_reference(&tx->base.resource, res);

   tx->base.level = level;
   tx->base.usage = usage;
   tx->base.box = *box;

   if (util_format_is_plain(res->format)) {
      tx->nblocksx = box->width << mt->ms_x;
      tx->nblocksy = box->height << mt->ms_y;
   } else {
      tx->nblocksx = util_format_get_nblocksx(res->format, box->width);
      tx->nblocksy = util_format_get_nblocksy(res->format, box->height);
   }
   tx->nlayers = box->depth;

   tx->base.stride = tx->nblocksx * util_format_get_blocksize(res->format);
   tx->base.layer_stride = tx->nblocksy * tx->base.stride;

   nv50_m2mf_rect_setup(&tx->rect[0], res, level, box->x, box->y, box->z);

   size = tx->base.layer_stride;

   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
                        size * tx->nlayers, NULL, &tx->rect[1].bo);
   if (ret) {
      pipe_resource_reference(&tx->base.resource, NULL);
      FREE(tx);
      return NULL;
   }

   tx->rect[1].cpp = tx->rect[0].cpp;
   tx->rect[1].width = tx->nblocksx;
   tx->rect[1].height = tx->nblocksy;
   tx->rect[1].depth = 1;
   tx->rect[1].pitch = tx->base.stride;
   tx->rect[1].domain = NOUVEAU_BO_GART;

   if (usage & PIPE_TRANSFER_READ) {
      unsigned base = tx->rect[0].base;
      unsigned z = tx->rect[0].z;
      unsigned i;
      for (i = 0; i < tx->nlayers; ++i) {
         nvc0->m2mf_copy_rect(nvc0, &tx->rect[1], &tx->rect[0],
                              tx->nblocksx, tx->nblocksy);
         if (mt->layout_3d)
            tx->rect[0].z++;
         else
            tx->rect[0].base += mt->layer_stride;
         tx->rect[1].base += size;
      }
      tx->rect[0].z = z;
      tx->rect[0].base = base;
      tx->rect[1].base = 0;
   }

   if (tx->rect[1].bo->map) {
      *ptransfer = &tx->base;
      return tx->rect[1].bo->map;
   }

   if (usage & PIPE_TRANSFER_READ)
      flags = NOUVEAU_BO_RD;
   if (usage & PIPE_TRANSFER_WRITE)
      flags |= NOUVEAU_BO_WR;

   ret = nouveau_bo_map(tx->rect[1].bo, flags, nvc0->screen->base.client);
   if (ret) {
      pipe_resource_reference(&tx->base.resource, NULL);
      nouveau_bo_ref(NULL, &tx->rect[1].bo);
      FREE(tx);
      return NULL;
   }

   *ptransfer = &tx->base;
   return tx->rect[1].bo->map;
}