src/gallium/drivers/nvfx/nvfx_resource.c

   1
   2 #include "pipe/p_context.h"
   3 #include "util/u_staging.h"
   4 #include "nvfx_resource.h"
   5 #include "nouveau/nouveau_screen.h"
   6
   7
   8 static struct pipe_resource *
   9 nvfx_resource_create(struct pipe_screen *screen,
  10                      const struct pipe_resource *template)
  11 {
  12         if (template->target == PIPE_BUFFER)
  13                 return nvfx_buffer_create(screen, template);
  14         else
  15                 return nvfx_miptree_create(screen, template);
  16 }
  17
  18 static void
  19 nvfx_resource_destroy(struct pipe_screen *screen, struct pipe_resource *pr)
  20 {
  21         if (pr->target == PIPE_BUFFER)
  22                 return nvfx_buffer_destroy(screen, pr);
  23         else
  24                 return nvfx_miptree_destroy(screen, pr);
  25 }
  26
  27 static struct pipe_resource *
  28 nvfx_resource_from_handle(struct pipe_screen * screen,
  29                           const struct pipe_resource *template,
  30                           struct winsys_handle *whandle)
  31 {
  32         if (template->target == PIPE_BUFFER)
  33                 return NULL;
  34         else
  35                 return nvfx_miptree_from_handle(screen, template, whandle);
  36 }
  37
  38 static boolean
  39 nvfx_resource_get_handle(struct pipe_screen *pscreen,
  40                         struct pipe_resource *pr,
  41                         struct winsys_handle *whandle)
  42 {
  43         struct nvfx_resource* res = (struct nvfx_resource*)pr;
  44
  45         if (!res || !res->bo)
  46                 return FALSE;
  47
  48         return nouveau_screen_bo_get_handle(pscreen, res->bo, nvfx_subresource_pitch(pr, 0), whandle);
  49 }
  50
  51 void
  52 nvfx_init_resource_functions(struct pipe_context *pipe)
  53 {
  54         pipe->create_surface = nvfx_miptree_surface_new;
  55         pipe->surface_destroy = nvfx_miptree_surface_del;
  56 }
  57
  58 void
  59 nvfx_screen_init_resource_functions(struct pipe_screen *pscreen)
  60 {
  61         pscreen->resource_create = nvfx_resource_create;
  62         pscreen->resource_from_handle = nvfx_resource_from_handle;
  63         pscreen->resource_get_handle = nvfx_resource_get_handle;
  64         pscreen->resource_destroy = nvfx_resource_destroy;
  65         pscreen->user_buffer_create = nvfx_user_buffer_create;
  66 }