src/gallium/drivers/nv50/nv50_resource.h

   1
   2 #ifndef NV50_RESOURCE_H
   3 #define NV50_RESOURCE_H
   4
   5 #include "util/u_transfer.h"
   6
   7 struct pipe_resource;
   8 struct nouveau_bo;
   9
  10
  11 /* This gets further specialized into either buffer or texture
  12  * structures.  In the future we'll want to remove much of that
  13  * distinction, but for now try to keep as close to the existing code
  14  * as possible and use the vtbl struct to choose between the two
  15  * underlying implementations.
  16  */
  17 struct nv50_resource {
  18         struct pipe_resource base;
  19         struct u_resource_vtbl *vtbl;
  20         struct nouveau_bo *bo;
  21 };
  22
  23 struct nv50_miptree_level {
  24         int *image_offset;
  25         unsigned pitch;
  26         unsigned tile_mode;
  27 };
  28
  29 #define NV50_MAX_TEXTURE_LEVELS 16
  30
  31 struct nv50_miptree {
  32         struct nv50_resource base;
  33
  34         struct nv50_miptree_level level[NV50_MAX_TEXTURE_LEVELS];
  35         int image_nr;
  36         int total_size;
  37 };
  38
  39 static INLINE struct nv50_miptree *
  40 nv50_miptree(struct pipe_resource *pt)
  41 {
  42         return (struct nv50_miptree *)pt;
  43 }
  44
  45
  46 static INLINE
  47 struct nv50_resource *nv50_resource(struct pipe_resource *resource)
  48 {
  49         return (struct nv50_resource *)resource;
  50 }
  51
  52
  53 void
  54 nv50_init_resource_functions(struct pipe_context *pcontext);
  55
  56 void
  57 nv50_screen_init_resource_functions(struct pipe_screen *pscreen);
  58
  59 /* Internal functions
  60  */
  61 struct pipe_resource *
  62 nv50_miptree_create(struct pipe_screen *pscreen,
  63                     const struct pipe_resource *tmp);
  64
  65 struct pipe_resource *
  66 nv50_miptree_from_handle(struct pipe_screen *pscreen,
  67                          const struct pipe_resource *template,
  68                          struct winsys_handle *whandle);
  69
  70 struct pipe_resource *
  71 nv50_buffer_create(struct pipe_screen *pscreen,
  72                    const struct pipe_resource *template);
  73
  74 struct pipe_resource *
  75 nv50_user_buffer_create(struct pipe_screen *screen,
  76                         void *ptr,
  77                         unsigned bytes,
  78                         unsigned usage);
  79
  80
  81 struct pipe_surface *
  82 nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
  83                          unsigned face, unsigned level, unsigned zslice,
  84                          unsigned flags);
  85
  86 void
  87 nv50_miptree_surface_del(struct pipe_surface *ps);
  88
  89
  90 #endif