Esempio n. 1
0
void
nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
{
   struct push_context ctx;
   unsigned i, index_size;
   unsigned inst_count = info->instance_count;
   unsigned vert_count = info->count;
   unsigned prim;

   nvc0_push_context_init(nvc0, &ctx);

   nvc0_vertex_configure_translate(nvc0, info->index_bias);

   if (unlikely(ctx.edgeflag.enabled))
      nvc0_push_map_edgeflag(&ctx, nvc0, info->index_bias);

   ctx.prim_restart = info->primitive_restart;
   ctx.restart_index = info->restart_index;

   if (info->indexed) {
      nvc0_push_map_idxbuf(&ctx, nvc0);
      index_size = nvc0->idxbuf.index_size;

      if (info->primitive_restart) {
         BEGIN_NVC0(ctx.push, NVC0_3D(PRIM_RESTART_ENABLE), 2);
         PUSH_DATA (ctx.push, 1);
         PUSH_DATA (ctx.push, info->restart_index);
      } else
      if (nvc0->state.prim_restart) {
         IMMED_NVC0(ctx.push, NVC0_3D(PRIM_RESTART_ENABLE), 0);
      }
      nvc0->state.prim_restart = info->primitive_restart;
   } else {
      if (unlikely(info->count_from_stream_output)) {
         struct pipe_context *pipe = &nvc0->base.pipe;
         struct nvc0_so_target *targ;
         targ = nvc0_so_target(info->count_from_stream_output);
         pipe->get_query_result(pipe, targ->pq, TRUE, (void *)&vert_count);
         vert_count /= targ->stride;
      }
      ctx.idxbuf = NULL; /* shut up warnings */
      index_size = 0;
   }

   ctx.instance_id = info->start_instance;

   prim = nvc0_prim_gl(info->mode);
   do {
      PUSH_SPACE(ctx.push, 9);

      ctx.dest = nvc0_push_setup_vertex_array(nvc0, vert_count);
      if (unlikely(!ctx.dest))
         break;

      if (unlikely(ctx.need_vertex_id))
         nvc0_push_upload_vertex_ids(&ctx, nvc0, info);

      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0);
      BEGIN_NVC0(ctx.push, NVC0_3D(VERTEX_BEGIN_GL), 1);
      PUSH_DATA (ctx.push, prim);
      switch (index_size) {
      case 1:
         disp_vertices_i08(&ctx, info->start, vert_count);
         break;
      case 2:
         disp_vertices_i16(&ctx, info->start, vert_count);
         break;
      case 4:
         disp_vertices_i32(&ctx, info->start, vert_count);
         break;
      default:
         assert(index_size == 0);
         disp_vertices_seq(&ctx, info->start, vert_count);
         break;
      }
      PUSH_SPACE(ctx.push, 1);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_END_GL), 0);

      if (--inst_count) {
         prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
         ++ctx.instance_id;
      }
      nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX_TMP);
      nouveau_scratch_done(&nvc0->base);
   } while (inst_count);


   /* reset state and unmap buffers (no-op) */

   if (unlikely(!ctx.edgeflag.value)) {
      PUSH_SPACE(ctx.push, 1);
      IMMED_NVC0(ctx.push, NVC0_3D(EDGEFLAG), 1);
   }

   if (unlikely(ctx.need_vertex_id)) {
      PUSH_SPACE(ctx.push, 4);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ID_REPLACE), 0);
      BEGIN_NVC0(ctx.push, NVC0_3D(VERTEX_ATTRIB_FORMAT(1)), 1);
      PUSH_DATA (ctx.push,
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST |
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ARRAY_FETCH(1)), 0);
   }

   if (info->indexed)
      nouveau_resource_unmap(nv04_resource(nvc0->idxbuf.buffer));
   for (i = 0; i < nvc0->num_vtxbufs; ++i)
      nouveau_resource_unmap(nv04_resource(nvc0->vtxbuf[i].buffer));

   NOUVEAU_DRV_STAT(&nvc0->screen->base, draw_calls_fallback_count, 1);
}
Esempio n. 2
0
void
nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
{
   struct push_context ctx;
   unsigned i, index_size;
   unsigned inst_count = info->instance_count;
   unsigned vert_count = info->count;
   unsigned prim;

   nvc0_push_context_init(nvc0, &ctx);

   nvc0_vertex_configure_translate(nvc0, info->index_bias);

   if (nvc0->state.index_bias) {
      /* this is already taken care of by translate */
      IMMED_NVC0(ctx.push, NVC0_3D(VB_ELEMENT_BASE), 0);
      nvc0->state.index_bias = 0;
   }

   if (unlikely(ctx.edgeflag.enabled))
      nvc0_push_map_edgeflag(&ctx, nvc0, info->index_bias);

   ctx.prim_restart = info->primitive_restart;
   ctx.restart_index = info->restart_index;

   if (info->primitive_restart) {
      /* NOTE: I hope we won't ever need that last index (~0).
       * If we do, we have to disable primitive restart here always and
       * use END,BEGIN to restart. (XXX: would that affect PrimitiveID ?)
       * We could also deactive PRIM_RESTART_WITH_DRAW_ARRAYS temporarily,
       * and add manual restart to disp_vertices_seq.
       */
      BEGIN_NVC0(ctx.push, NVC0_3D(PRIM_RESTART_ENABLE), 2);
      PUSH_DATA (ctx.push, 1);
      PUSH_DATA (ctx.push, info->indexed ? 0xffffffff : info->restart_index);
   } else
   if (nvc0->state.prim_restart) {
      IMMED_NVC0(ctx.push, NVC0_3D(PRIM_RESTART_ENABLE), 0);
   }
   nvc0->state.prim_restart = info->primitive_restart;

   if (info->indexed) {
      nvc0_push_map_idxbuf(&ctx, nvc0);
      index_size = nvc0->idxbuf.index_size;
   } else {
      if (unlikely(info->count_from_stream_output)) {
         struct pipe_context *pipe = &nvc0->base.pipe;
         struct nvc0_so_target *targ;
         targ = nvc0_so_target(info->count_from_stream_output);
         pipe->get_query_result(pipe, targ->pq, true, (void *)&vert_count);
         vert_count /= targ->stride;
      }
      ctx.idxbuf = NULL; /* shut up warnings */
      index_size = 0;
   }

   ctx.instance_id = info->start_instance;

   prim = nvc0_prim_gl(info->mode);
   do {
      PUSH_SPACE(ctx.push, 9);

      ctx.dest = nvc0_push_setup_vertex_array(nvc0, vert_count);
      if (unlikely(!ctx.dest))
         break;

      if (unlikely(ctx.need_vertex_id))
         nvc0_push_upload_vertex_ids(&ctx, nvc0, info);

      if (nvc0->screen->eng3d->oclass < GM107_3D_CLASS)
         IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0);
      BEGIN_NVC0(ctx.push, NVC0_3D(VERTEX_BEGIN_GL), 1);
      PUSH_DATA (ctx.push, prim);
      switch (index_size) {
      case 1:
         disp_vertices_i08(&ctx, info->start, vert_count);
         break;
      case 2:
         disp_vertices_i16(&ctx, info->start, vert_count);
         break;
      case 4:
         disp_vertices_i32(&ctx, info->start, vert_count);
         break;
      default:
         assert(index_size == 0);
         disp_vertices_seq(&ctx, info->start, vert_count);
         break;
      }
      PUSH_SPACE(ctx.push, 1);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_END_GL), 0);

      if (--inst_count) {
         prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
         ++ctx.instance_id;
      }
      nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX_TMP);
      nouveau_scratch_done(&nvc0->base);
   } while (inst_count);


   /* reset state and unmap buffers (no-op) */

   if (unlikely(!ctx.edgeflag.value)) {
      PUSH_SPACE(ctx.push, 1);
      IMMED_NVC0(ctx.push, NVC0_3D(EDGEFLAG), 1);
   }

   if (unlikely(ctx.need_vertex_id)) {
      PUSH_SPACE(ctx.push, 4);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ID_REPLACE), 0);
      BEGIN_NVC0(ctx.push, NVC0_3D(VERTEX_ATTRIB_FORMAT(1)), 1);
      PUSH_DATA (ctx.push,
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST |
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |
                 NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32);
      IMMED_NVC0(ctx.push, NVC0_3D(VERTEX_ARRAY_FETCH(1)), 0);
   }

   if (info->indexed)
      nouveau_resource_unmap(nv04_resource(nvc0->idxbuf.buffer));
   for (i = 0; i < nvc0->num_vtxbufs; ++i)
      nouveau_resource_unmap(nv04_resource(nvc0->vtxbuf[i].buffer));

   NOUVEAU_DRV_STAT(&nvc0->screen->base, draw_calls_fallback_count, 1);
}