workbench/libs/mesa/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_bo;
   9
  10 struct nouveau_screen {
  11         struct pipe_screen base;
  12         struct nouveau_device *device;
  13         struct nouveau_channel *channel;
  14
  15         /* note that OpenGL doesn't distinguish between these, so
  16          * these almost always should be set to the same value */
  17         unsigned vertex_buffer_flags;
  18         unsigned index_buffer_flags;
  19         unsigned sysmem_bindings;
  20
  21         struct {
  22                 struct nouveau_fence *head;
  23                 struct nouveau_fence *tail;
  24                 struct nouveau_fence *current;
  25                 u32 sequence;
  26                 u32 sequence_ack;
  27                 void (*emit)(struct pipe_screen *, u32 sequence);
  28                 u32  (*update)(struct pipe_screen *);
  29         } fence;
  30
  31         struct nouveau_mman *mm_VRAM;
  32         struct nouveau_mman *mm_GART;
  33 };
  34
  35 static INLINE struct nouveau_screen *
  36 nouveau_screen(struct pipe_screen *pscreen)
  37 {
  38         return (struct nouveau_screen *)pscreen;
  39 }
  40
  41
  42
  43 /* Not really sure if this is needed, or whether the individual
  44  * drivers are happy to talk to the bo functions themselves.  In a way
  45  * this is what we'd expect from a regular winsys interface.
  46  */
  47 struct nouveau_bo *
  48 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  49                       unsigned usage, unsigned bind, unsigned size);
  50 void *
  51 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  52                       struct nouveau_bo *pb,
  53                       unsigned usage);
  54 void *
  55 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  56                             unsigned offset, unsigned length, unsigned usage);
  57 void
  58 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
  59                                   unsigned offset, unsigned length);
  60 void
  61 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  62 void
  63 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
  64
  65 boolean
  66 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  67                              struct nouveau_bo *bo,
  68                              unsigned stride,
  69                              struct winsys_handle *whandle);
  70 struct nouveau_bo *
  71 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  72                               struct winsys_handle *whandle,
  73                               unsigned *out_stride);
  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