src/gallium/drivers/nouveau/nouveau_screen.h

   1 #ifndef __NOUVEAU_SCREEN_H__
   2 #define __NOUVEAU_SCREEN_H__
   3
   4 struct nouveau_screen {
   5         struct pipe_screen base;
   6         struct nouveau_device *device;
   7         struct nouveau_channel *channel;
   8 };
   9
  10 static inline struct nouveau_screen *
  11 nouveau_screen(struct pipe_screen *pscreen)
  12 {
  13         return (struct nouveau_screen *)pscreen;
  14 }
  15
  16
  17
  18 /* Not really sure if this is needed, or whether the individual
  19  * drivers are happy to talk to the bo functions themselves.  In a way
  20  * this is what we'd expect from a regular winsys interface.
  21  */
  22 struct nouveau_bo *
  23 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  24                       unsigned usage, unsigned bind, unsigned size);
  25 struct nouveau_bo *
  26 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes);
  27 void *
  28 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  29                       struct nouveau_bo *pb,
  30                       unsigned usage);
  31 void *
  32 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  33                             unsigned offset, unsigned length, unsigned usage);
  34 void
  35 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  36                                   unsigned offset, unsigned length);
  37 void
  38 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  39 void
  40 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  41
  42 boolean
  43 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  44                              struct nouveau_bo *bo,
  45                              unsigned stride,
  46                              struct winsys_handle *whandle);
  47 struct nouveau_bo *
  48 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  49                               struct winsys_handle *whandle,
  50                               unsigned *out_stride);
  51
  52 unsigned int
  53 nouveau_reference_flags(struct nouveau_bo *bo);
  54
  55
  56
  57 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
  58 void nouveau_screen_fini(struct nouveau_screen *);
  59
  60
  61
  62
  63 #endif