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 #include "util/u_memory.h"
   6 typedef uint32_t u32;
   7
   8 struct nouveau_screen {
   9         struct pipe_screen base;
  10         struct nouveau_device *device;
  11         struct nouveau_channel *channel;
  12
  13         /* note that OpenGL doesn't distinguish between these, so
  14          * these almost always should be set to the same value */
  15         unsigned vertex_buffer_flags;
  16         unsigned index_buffer_flags;
  17
  18         struct {
  19                 struct nouveau_fence *head;
  20                 struct nouveau_fence *tail;
  21                 struct nouveau_fence *current;
  22                 u32 sequence;
  23                 u32 sequence_ack;
  24                 void (*emit)(struct pipe_screen *, u32 sequence);
  25                 u32  (*update)(struct pipe_screen *);
  26         } fence;
  27 };
  28
  29 static INLINE struct nouveau_screen *
  30 nouveau_screen(struct pipe_screen *pscreen)
  31 {
  32         return (struct nouveau_screen *)pscreen;
  33 }
  34
  35
  36
  37 /* Not really sure if this is needed, or whether the individual
  38  * drivers are happy to talk to the bo functions themselves.  In a way
  39  * this is what we'd expect from a regular winsys interface.
  40  */
  41 struct nouveau_bo *
  42 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  43                       unsigned usage, unsigned bind, unsigned size);
  44 struct nouveau_bo *
  45 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes);
  46 void *
  47 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  48                       struct nouveau_bo *pb,
  49                       unsigned usage);
  50 void *
  51 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  52                             unsigned offset, unsigned length, unsigned usage);
  53 void
  54 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  55                                   unsigned offset, unsigned length);
  56 void
  57 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  58 void
  59 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  60
  61 boolean
  62 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  63                              struct nouveau_bo *bo,
  64                              unsigned stride,
  65                              struct winsys_handle *whandle);
  66 struct nouveau_bo *
  67 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  68                               struct winsys_handle *whandle,
  69                               unsigned *out_stride);
  70
  71 unsigned int
  72 nouveau_reference_flags(struct nouveau_bo *bo);
  73
  74
  75
  76 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
  77 void nouveau_screen_fini(struct nouveau_screen *);
  78
  79
  80
  81 #ifndef NOUVEAU_NVC0
  82 static INLINE unsigned
  83 RING_3D(unsigned mthd, unsigned size)
  84 {
  85         return (7 << 13) | (size << 18) | mthd;
  86 }
  87
  88 static INLINE unsigned
  89 RING_3D_NI(unsigned mthd, unsigned size)
  90 {
  91         return 0x40000000 | (7 << 13) | (size << 18) | mthd;
  92 }
  93 #endif
  94
  95 #endif