src/gallium/drivers/nouveau/nvc0/nvc0_resource.c

   1
   2 #include "pipe/p_context.h"
   3 #include "nvc0/nvc0_resource.h"
   4 #include "nouveau_screen.h"
   5
   6
   7 static struct pipe_resource *
   8 nvc0_resource_create(struct pipe_screen *screen,
   9                      const struct pipe_resource *templ)
  10 {
  11    switch (templ->target) {
  12    case PIPE_BUFFER:
  13       return nouveau_buffer_create(screen, templ);
  14    default:
  15       return nvc0_miptree_create(screen, templ);
  16    }
  17 }
  18
  19 static struct pipe_resource *
  20 nvc0_resource_from_handle(struct pipe_screen * screen,
  21                           const struct pipe_resource *templ,
  22                           struct winsys_handle *whandle)
  23 {
  24    if (templ->target == PIPE_BUFFER) {
  25       return NULL;
  26    } else {
  27       struct pipe_resource *res = nv50_miptree_from_handle(screen,
  28                                                            templ, whandle);
  29       if (res)
  30          nv04_resource(res)->vtbl = &nvc0_miptree_vtbl;
  31       return res;
  32    }
  33 }
  34
  35 static struct pipe_surface *
  36 nvc0_surface_create(struct pipe_context *pipe,
  37                     struct pipe_resource *pres,
  38                     const struct pipe_surface *templ)
  39 {
  40    /* surfaces are assumed to be miptrees all over the place. */
  41    assert(pres->target != PIPE_BUFFER);
  42    if (unlikely(pres->target == PIPE_BUFFER))
  43       return nv50_surface_from_buffer(pipe, pres, templ);
  44    return nvc0_miptree_surface_new(pipe, pres, templ);
  45 }
  46
  47 void
  48 nvc0_init_resource_functions(struct pipe_context *pcontext)
  49 {
  50    pcontext->transfer_map = u_transfer_map_vtbl;
  51    pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
  52    pcontext->transfer_unmap = u_transfer_unmap_vtbl;
  53    pcontext->transfer_inline_write = u_transfer_inline_write_vtbl;
  54    pcontext->create_surface = nvc0_surface_create;
  55    pcontext->surface_destroy = nv50_surface_destroy;
  56 }
  57
  58 void
  59 nvc0_screen_init_resource_functions(struct pipe_screen *pscreen)
  60 {
  61    pscreen->resource_create = nvc0_resource_create;
  62    pscreen->resource_from_handle = nvc0_resource_from_handle;
  63    pscreen->resource_get_handle = u_resource_get_handle_vtbl;
  64    pscreen->resource_destroy = u_resource_destroy_vtbl;
  65 }