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         /* note that OpenGL doesn't distinguish between these, so
  10          * these almost always should be set to the same value */
  11         unsigned vertex_buffer_flags;
  12         unsigned index_buffer_flags;
  13 };
  14
  15 static inline struct nouveau_screen *
  16 nouveau_screen(struct pipe_screen *pscreen)
  17 {
  18         return (struct nouveau_screen *)pscreen;
  19 }
  20
  21
  22
  23 /* Not really sure if this is needed, or whether the individual
  24  * drivers are happy to talk to the bo functions themselves.  In a way
  25  * this is what we'd expect from a regular winsys interface.
  26  */
  27 struct nouveau_bo *
  28 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  29                       unsigned usage, unsigned bind, unsigned size);
  30 struct nouveau_bo *
  31 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes);
  32 void *
  33 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  34                       struct nouveau_bo *pb,
  35                       unsigned usage);
  36 void *
  37 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  38                             unsigned offset, unsigned length, unsigned usage);
  39 void
  40 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  41                                   unsigned offset, unsigned length);
  42 void
  43 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  44 void
  45 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  46
  47 boolean
  48 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  49                              struct nouveau_bo *bo,
  50                              unsigned stride,
  51                              struct winsys_handle *whandle);
  52 struct nouveau_bo *
  53 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  54                               struct winsys_handle *whandle,
  55                               unsigned *out_stride);
  56
  57 unsigned int
  58 nouveau_reference_flags(struct nouveau_bo *bo);
  59
  60
  61
  62 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
  63 void nouveau_screen_fini(struct nouveau_screen *);
  64
  65
  66
  67
  68 static __inline__ unsigned
  69 RING_3D(unsigned mthd, unsigned size)
  70 {
  71         return (7 << 13) | (size << 18) | mthd;
  72 }
  73
  74 static __inline__ unsigned
  75 RING_3D_NI(unsigned mthd, unsigned size)
  76 {
  77         return 0x40000000 | (7 << 13) | (size << 18) | mthd;
  78 }
  79
  80 #endif