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 static unsigned int
   8 nvfx_resource_is_referenced(struct pipe_context *pipe,
   9                             struct pipe_resource *pr,
  10                             unsigned face, unsigned level)
  11 {
  12         return !!nouveau_reference_flags(nvfx_resource(pr)->bo);
  13 }
  14
  15 static struct pipe_resource *
  16 nvfx_resource_create(struct pipe_screen *screen,
  17                      const struct pipe_resource *template)
  18 {
  19         if (template->target == PIPE_BUFFER)
  20                 return nvfx_buffer_create(screen, template);
  21         else
  22                 return nvfx_miptree_create(screen, template);
  23 }
  24
  25 static void
  26 nvfx_resource_destroy(struct pipe_screen *screen, struct pipe_resource *pr)
  27 {
  28         if (pr->target == PIPE_BUFFER)
  29                 return nvfx_buffer_destroy(screen, pr);
  30         else
  31                 return nvfx_miptree_destroy(screen, pr);
  32 }
  33
  34 static struct pipe_resource *
  35 nvfx_resource_from_handle(struct pipe_screen * screen,
  36                           const struct pipe_resource *template,
  37                           struct winsys_handle *whandle)
  38 {
  39         if (template->target == PIPE_BUFFER)
  40                 return NULL;
  41         else
  42                 return nvfx_miptree_from_handle(screen, template, whandle);
  43 }
  44
  45 static boolean
  46 nvfx_resource_get_handle(struct pipe_screen *pscreen,
  47                         struct pipe_resource *pr,
  48                         struct winsys_handle *whandle)
  49 {
  50         struct nvfx_resource* res = (struct nvfx_resource*)pr;
  51
  52         if (!res || !res->bo)
  53                 return FALSE;
  54
  55         return nouveau_screen_bo_get_handle(pscreen, res->bo, nvfx_subresource_pitch(pr, 0), whandle);
  56 }
  57
  58 void
  59 nvfx_init_resource_functions(struct pipe_context *pipe)
  60 {
  61         pipe->is_resource_referenced = nvfx_resource_is_referenced;
  62 }
  63
  64 void
  65 nvfx_screen_init_resource_functions(struct pipe_screen *pscreen)
  66 {
  67         pscreen->resource_create = nvfx_resource_create;
  68         pscreen->resource_from_handle = nvfx_resource_from_handle;
  69         pscreen->resource_get_handle = nvfx_resource_get_handle;
  70         pscreen->resource_destroy = nvfx_resource_destroy;
  71         pscreen->user_buffer_create = nvfx_user_buffer_create;
  72
  73         pscreen->get_tex_surface = nvfx_miptree_surface_new;
  74         pscreen->tex_surface_destroy = nvfx_miptree_surface_del;
  75 }