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
   7 typedef uint32_t u32;
   8
   9 extern int nouveau_mesa_debug;
  10
  11 struct nouveau_bo;
  12
  13 struct nouveau_screen {
  14         struct pipe_screen base;
  15         struct nouveau_device *device;
  16         struct nouveau_object *channel;
  17         struct nouveau_client *client;
  18         struct nouveau_pushbuf *pushbuf;
  19
  20         unsigned vidmem_bindings; /* PIPE_BIND_* where VRAM placement is desired */
  21         unsigned sysmem_bindings; /* PIPE_BIND_* where GART placement is desired */
  22         unsigned lowmem_bindings; /* PIPE_BIND_* that require an address < 4 GiB */
  23         /*
  24          * For bindings with (vidmem & sysmem) bits set set, PIPE_USAGE_* decides
  25          * placement.
  26          */
  27
  28         uint16_t class_3d;
  29
  30         struct {
  31                 struct nouveau_fence *head;
  32                 struct nouveau_fence *tail;
  33                 struct nouveau_fence *current;
  34                 u32 sequence;
  35                 u32 sequence_ack;
  36                 void (*emit)(struct pipe_screen *, u32 *sequence);
  37                 u32  (*update)(struct pipe_screen *);
  38         } fence;
  39
  40         struct nouveau_mman *mm_VRAM;
  41         struct nouveau_mman *mm_GART;
  42 };
  43
  44 static INLINE struct nouveau_screen *
  45 nouveau_screen(struct pipe_screen *pscreen)
  46 {
  47         return (struct nouveau_screen *)pscreen;
  48 }
  49
  50 boolean
  51 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
  52                              struct nouveau_bo *bo,
  53                              unsigned stride,
  54                              struct winsys_handle *whandle);
  55 struct nouveau_bo *
  56 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  57                               struct winsys_handle *whandle,
  58                               unsigned *out_stride);
  59
  60
  61 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
  62 void nouveau_screen_fini(struct nouveau_screen *);
  63
  64 void nouveau_screen_init_vdec(struct nouveau_screen *);
  65
  66 #endif