src/gallium/drivers/nvc0/nvc0_resource.c

   1
   2 #include "pipe/p_context.h"
   3 #include "nvc0_resource.h"
   4 #include "nouveau/nouveau_screen.h"
   5
   6 static unsigned
   7 nvc0_resource_is_referenced(struct pipe_context *pipe,
   8                             struct pipe_resource *resource,
   9                             unsigned face, unsigned level)
  10 {
  11    struct nvc0_resource *res = nvc0_resource(resource);
  12    unsigned flags = 0;
  13
  14 #ifdef NOUVEAU_USERSPACE_MM
  15    flags = res->status;
  16 #else
  17    unsigned bo_flags = nouveau_bo_pending(res->bo);
  18    if (bo_flags & NOUVEAU_BO_RD)
  19       flags = PIPE_REFERENCED_FOR_READ;
  20    if (bo_flags & NOUVEAU_BO_WR)
  21       flags |= PIPE_REFERENCED_FOR_WRITE;
  22 #endif
  23    return flags;
  24 }
  25
  26 static struct pipe_resource *
  27 nvc0_resource_create(struct pipe_screen *screen,
  28                      const struct pipe_resource *templ)
  29 {
  30    switch (templ->target) {
  31    case PIPE_BUFFER:
  32       return nvc0_buffer_create(screen, templ);
  33    default:
  34       return nvc0_miptree_create(screen, templ);
  35    }
  36 }
  37
  38 static struct pipe_resource *
  39 nvc0_resource_from_handle(struct pipe_screen * screen,
  40                           const struct pipe_resource *templ,
  41                           struct winsys_handle *whandle)
  42 {
  43    if (templ->target == PIPE_BUFFER)
  44       return NULL;
  45    else
  46       return nvc0_miptree_from_handle(screen, templ, whandle);
  47 }
  48
  49 void
  50 nvc0_init_resource_functions(struct pipe_context *pcontext)
  51 {
  52    pcontext->get_transfer = u_get_transfer_vtbl;
  53    pcontext->transfer_map = u_transfer_map_vtbl;
  54    pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
  55    pcontext->transfer_unmap = u_transfer_unmap_vtbl;
  56    pcontext->transfer_destroy = u_transfer_destroy_vtbl;
  57    pcontext->transfer_inline_write = u_transfer_inline_write_vtbl;
  58    pcontext->is_resource_referenced = nvc0_resource_is_referenced;
  59 }
  60
  61 void
  62 nvc0_screen_init_resource_functions(struct pipe_screen *pscreen)
  63 {
  64    pscreen->resource_create = nvc0_resource_create;
  65    pscreen->resource_from_handle = nvc0_resource_from_handle;
  66    pscreen->resource_get_handle = u_resource_get_handle_vtbl;
  67    pscreen->resource_destroy = u_resource_destroy_vtbl;
  68    pscreen->user_buffer_create = nvc0_user_buffer_create;
  69    pscreen->get_tex_surface = nvc0_miptree_surface_new;
  70    pscreen->tex_surface_destroy = nvc0_miptree_surface_del;
  71 }