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 "nvfx_transfer.h"
   6 #include "nouveau/nouveau_screen.h"
   7
   8 static unsigned int
   9 nvfx_resource_is_referenced(struct pipe_context *pipe,
  10                             struct pipe_resource *pr,
  11                             unsigned face, unsigned level)
  12 {
  13         return !!nouveau_reference_flags(nvfx_resource(pr)->bo);
  14 }
  15
  16 static struct pipe_resource *
  17 nvfx_resource_create(struct pipe_screen *screen,
  18                      const struct pipe_resource *template)
  19 {
  20         if (template->target == PIPE_BUFFER)
  21                 return nvfx_buffer_create(screen, template);
  22         else
  23                 return nvfx_miptree_create(screen, template);
  24 }
  25
  26 static void
  27 nvfx_resource_destroy(struct pipe_screen *screen, struct pipe_resource *pr)
  28 {
  29         if (pr->target == PIPE_BUFFER)
  30                 return nvfx_buffer_destroy(screen, pr);
  31         else
  32                 return nvfx_miptree_destroy(screen, pr);
  33 }
  34
  35 static struct pipe_resource *
  36 nvfx_resource_from_handle(struct pipe_screen * screen,
  37                           const struct pipe_resource *template,
  38                           struct winsys_handle *whandle)
  39 {
  40         if (template->target == PIPE_BUFFER)
  41                 return NULL;
  42         else
  43                 return nvfx_miptree_from_handle(screen, template, whandle);
  44 }
  45
  46 static boolean
  47 nvfx_resource_get_handle(struct pipe_screen *pscreen,
  48                         struct pipe_resource *pr,
  49                         struct winsys_handle *whandle)
  50 {
  51         struct nvfx_resource* res = (struct nvfx_resource*)pr;
  52
  53         if (!res || !res->bo)
  54                 return FALSE;
  55
  56         return nouveau_screen_bo_get_handle(pscreen, res->bo, nvfx_subresource_pitch(pr, 0), whandle);
  57 }
  58
  59 void
  60 nvfx_init_resource_functions(struct pipe_context *pipe)
  61 {
  62         pipe->is_resource_referenced = nvfx_resource_is_referenced;
  63 }
  64
  65 void
  66 nvfx_screen_init_resource_functions(struct pipe_screen *pscreen)
  67 {
  68         pscreen->resource_create = nvfx_resource_create;
  69         pscreen->resource_from_handle = nvfx_resource_from_handle;
  70         pscreen->resource_get_handle = nvfx_resource_get_handle;
  71         pscreen->resource_destroy = nvfx_resource_destroy;
  72         pscreen->user_buffer_create = nvfx_user_buffer_create;
  73
  74         pscreen->get_tex_surface = nvfx_miptree_surface_new;
  75         pscreen->tex_surface_destroy = nvfx_miptree_surface_del;
  76 }