nouveau_winsys.h revision 7ec681f3 
1#ifndef NOUVEAU_WINSYS_H
2#define NOUVEAU_WINSYS_H
3
4#include <stdint.h>
5#include <inttypes.h>
6
7#include "pipe/p_defines.h"
8
9#include "drm-uapi/drm.h"
10#include <nouveau.h>
11
12#ifndef NV04_PFIFO_MAX_PACKET_LEN
13#define NV04_PFIFO_MAX_PACKET_LEN 2047
14#endif
15
16#define NOUVEAU_MIN_BUFFER_MAP_ALIGN      64
17#define NOUVEAU_MIN_BUFFER_MAP_ALIGN_MASK (NOUVEAU_MIN_BUFFER_MAP_ALIGN - 1)
18
19static inline uint32_t
20PUSH_AVAIL(struct nouveau_pushbuf *push)
21{
22   return push->end - push->cur;
23}
24
25static inline bool
26PUSH_SPACE(struct nouveau_pushbuf *push, uint32_t size)
27{
28   /* Provide a buffer so that fences always have room to be emitted */
29   size += 8;
30   if (PUSH_AVAIL(push) < size)
31      return nouveau_pushbuf_space(push, size, 0, 0) == 0;
32   return true;
33}
34
35static inline void
36PUSH_DATA(struct nouveau_pushbuf *push, uint32_t data)
37{
38   *push->cur++ = data;
39}
40
41static inline void
42PUSH_DATAp(struct nouveau_pushbuf *push, const void *data, uint32_t size)
43{
44   memcpy(push->cur, data, size * 4);
45   push->cur += size;
46}
47
48static inline void
49PUSH_DATAb(struct nouveau_pushbuf *push, const void *data, uint32_t size)
50{
51   memcpy(push->cur, data, size);
52   push->cur += DIV_ROUND_UP(size, 4);
53}
54
55static inline void
56PUSH_DATAf(struct nouveau_pushbuf *push, float f)
57{
58   union { float f; uint32_t i; } u;
59   u.f = f;
60   PUSH_DATA(push, u.i);
61}
62
63static inline void
64PUSH_KICK(struct nouveau_pushbuf *push)
65{
66   nouveau_pushbuf_kick(push, push->channel);
67}
68
69
70#define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
71#define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
72
73static inline uint32_t
74nouveau_screen_transfer_flags(unsigned pipe)
75{
76   uint32_t flags = 0;
77
78   if (!(pipe & PIPE_MAP_UNSYNCHRONIZED)) {
79      if (pipe & PIPE_MAP_READ)
80         flags |= NOUVEAU_BO_RD;
81      if (pipe & PIPE_MAP_WRITE)
82         flags |= NOUVEAU_BO_WR;
83      if (pipe & PIPE_MAP_DONTBLOCK)
84         flags |= NOUVEAU_BO_NOBLOCK;
85   }
86
87   return flags;
88}
89
90extern struct nouveau_screen *
91nv30_screen_create(struct nouveau_device *);
92
93extern struct nouveau_screen *
94nv50_screen_create(struct nouveau_device *);
95
96extern struct nouveau_screen *
97nvc0_screen_create(struct nouveau_device *);
98
99#endif
100