src/gallium/drivers/nouveau/nouveau_screen.h

   1 #ifndef __NOUVEAU_SCREEN_H__
   2 #define __NOUVEAU_SCREEN_H__
   3
   4 #include "pipe/p_screen.h"
   5
   6 struct nouveau_screen {
   7         struct pipe_screen base;
   8         struct nouveau_device *device;
   9         struct nouveau_channel *channel;
  10
  11         /* note that OpenGL doesn't distinguish between these, so
  12          * these almost always should be set to the same value */
  13         unsigned vertex_buffer_flags;
  14         unsigned index_buffer_flags;
  15 };
  16
  17 static inline struct nouveau_screen *
  18 nouveau_screen(struct pipe_screen *pscreen)
  19 {
  20         return (struct nouveau_screen *)pscreen;
  21 }
  22
  23
  24
  25 /* Not really sure if this is needed, or whether the individual
  26  * drivers are happy to talk to the bo functions themselves.  In a way
  27  * this is what we'd expect from a regular winsys interface.
  28  */
  29 struct nouveau_bo *
  30 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  31                       unsigned usage, unsigned bind, unsigned size);
  32 struct nouveau_bo *
  33 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes);
  34 void *
  35 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  36                       struct nouveau_bo *pb,
  37                       unsigned usage);
  38 void *
  39 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  40                             unsigned offset, unsigned length, unsigned usage);
  41 void
  42 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  43                                   unsigned offset, unsigned length);
  44 void
  45 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  46 void
  47 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  48
  49 boolean
  50 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  51                              struct nouveau_bo *bo,
  52                              unsigned stride,
  53                              struct winsys_handle *whandle);
  54 struct nouveau_bo *
  55 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  56                               struct winsys_handle *whandle,
  57                               unsigned *out_stride);
  58
  59 unsigned int
  60 nouveau_reference_flags(struct nouveau_bo *bo);
  61
  62
  63
  64 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
  65 void nouveau_screen_fini(struct nouveau_screen *);
  66
  67
  68
  69
  70 static __inline__ unsigned
  71 RING_3D(unsigned mthd, unsigned size)
  72 {
  73         return (7 << 13) | (size << 18) | mthd;
  74 }
  75
  76 static __inline__ unsigned
  77 RING_3D_NI(unsigned mthd, unsigned size)
  78 {
  79         return 0x40000000 | (7 << 13) | (size << 18) | mthd;
  80 }
  81
  82 #endif