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 #include "nouveau/nouveau_winsys.h"
   8
   9 struct pipe_resource;
  10 struct nouveau_bo;
  11
  12
  13 /* This gets further specialized into either buffer or texture
  14  * structures.  In the future we'll want to remove much of that
  15  * distinction, but for now try to keep as close to the existing code
  16  * as possible and use the vtbl struct to choose between the two
  17  * underlying implementations.
  18  */
  19 struct nv50_resource {
  20         struct pipe_resource base;
  21         const struct u_resource_vtbl *vtbl;
  22         struct nouveau_bo *bo;
  23 };
  24
  25 struct nv50_miptree_level {
  26         int *image_offset;
  27         unsigned pitch;
  28         unsigned tile_mode;
  29 };
  30
  31 #define NV50_MAX_TEXTURE_LEVELS 16
  32
  33 struct nv50_miptree {
  34         struct nv50_resource base;
  35
  36         struct nv50_miptree_level level[NV50_MAX_TEXTURE_LEVELS];
  37         int image_nr;
  38         int total_size;
  39 };
  40
  41 static INLINE struct nv50_miptree *
  42 nv50_miptree(struct pipe_resource *pt)
  43 {
  44         return (struct nv50_miptree *)pt;
  45 }
  46
  47
  48 static INLINE
  49 struct nv50_resource *nv50_resource(struct pipe_resource *resource)
  50 {
  51         return (struct nv50_resource *)resource;
  52 }
  53
  54 /* is resource mapped into the GPU's address space (i.e. VRAM or GART) ? */
  55 static INLINE boolean
  56 nv50_resource_mapped_by_gpu(struct pipe_resource *resource)
  57 {
  58    return nv50_resource(resource)->bo->handle;
  59 }
  60
  61 void
  62 nv50_init_resource_functions(struct pipe_context *pcontext);
  63
  64 void
  65 nv50_screen_init_resource_functions(struct pipe_screen *pscreen);
  66
  67 /* Internal functions
  68  */
  69 struct pipe_resource *
  70 nv50_miptree_create(struct pipe_screen *pscreen,
  71                     const struct pipe_resource *tmp);
  72
  73 struct pipe_resource *
  74 nv50_miptree_from_handle(struct pipe_screen *pscreen,
  75                          const struct pipe_resource *template,
  76                          struct winsys_handle *whandle);
  77
  78 struct pipe_resource *
  79 nv50_buffer_create(struct pipe_screen *pscreen,
  80                    const struct pipe_resource *template);
  81
  82 struct pipe_resource *
  83 nv50_user_buffer_create(struct pipe_screen *screen,
  84                         void *ptr,
  85                         unsigned bytes,
  86                         unsigned usage);
  87
  88
  89 struct pipe_surface *
  90 nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
  91                          unsigned face, unsigned level, unsigned zslice,
  92                          unsigned flags);
  93
  94 void
  95 nv50_miptree_surface_del(struct pipe_surface *ps);
  96
  97
  98 #endif