nvc0_screen.h revision e32ec112785d9ea111a9de0087f2f487cadc9051 
1#ifndef __NVC0_SCREEN_H__
2#define __NVC0_SCREEN_H__
3
4#define NOUVEAU_NVC0
5#include "nouveau/nouveau_screen.h"
6#undef NOUVEAU_NVC0
7#include "nvc0_winsys.h"
8#include "nvc0_stateobj.h"
9
10#define NVC0_TIC_MAX_ENTRIES 2048
11#define NVC0_TSC_MAX_ENTRIES 2048
12
13struct nvc0_mman;
14struct nvc0_context;
15struct nvc0_fence;
16
17#define NVC0_SCRATCH_SIZE (2 << 20)
18#define NVC0_SCRATCH_NR_BUFFERS 2
19
20struct nvc0_screen {
21   struct nouveau_screen base;
22   struct nouveau_winsys *nvws;
23
24   struct nvc0_context *cur_ctx;
25
26   struct nouveau_bo *text;
27   struct nouveau_bo *uniforms;
28   struct nouveau_bo *tls;
29   struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
30   struct nouveau_bo *mp_stack_bo;
31
32   uint64_t tls_size;
33
34   struct nouveau_resource *text_heap;
35
36   struct {
37      struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
38      uint8_t *buf;
39      int index;
40      uint32_t offset;
41   } scratch;
42
43   struct {
44      void **entries;
45      int next;
46      uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
47   } tic;
48
49   struct {
50      void **entries;
51      int next;
52      uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
53   } tsc;
54
55   struct {
56      uint32_t *map;
57      struct nvc0_fence *head;
58      struct nvc0_fence *tail;
59      struct nvc0_fence *current;
60      uint32_t sequence;
61      uint32_t sequence_ack;
62      struct nouveau_bo *bo;
63   } fence;
64
65   struct nvc0_mman *mm_GART;
66   struct nvc0_mman *mm_VRAM;
67   struct nvc0_mman *mm_VRAM_fe0;
68
69   struct nouveau_grobj *fermi;
70   struct nouveau_grobj *eng2d;
71   struct nouveau_grobj *m2mf;
72};
73
74static INLINE struct nvc0_screen *
75nvc0_screen(struct pipe_screen *screen)
76{
77   return (struct nvc0_screen *)screen;
78}
79
80/* Since a resource can be migrated, we need to decouple allocations from
81 * them. This struct is linked with fences for delayed freeing of allocs.
82 */
83struct nvc0_mm_allocation {
84   struct nvc0_mm_allocation *next;
85   void *priv;
86   uint32_t offset;
87};
88
89extern struct nvc0_mman *
90nvc0_mm_create(struct nouveau_device *, uint32_t domain, uint32_t storage_type);
91
92extern struct nvc0_mm_allocation *
93nvc0_mm_allocate(struct nvc0_mman *,
94                 uint32_t size, struct nouveau_bo **, uint32_t *offset);
95extern void
96nvc0_mm_free(struct nvc0_mm_allocation *);
97
98void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
99
100int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
101int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
102
103static INLINE void
104nvc0_resource_validate(struct nvc0_resource *res, uint32_t flags)
105{
106   struct nvc0_screen *screen = nvc0_screen(res->base.screen);
107
108   assert(res->mm);
109
110   nvc0_fence_reference(&res->fence, screen->fence.current);
111
112   if (flags & NOUVEAU_BO_WR)
113      nvc0_fence_reference(&res->fence_wr, screen->fence.current);
114
115   nouveau_reloc_emit(screen->base.channel,
116                      NULL, 0, NULL, res->bo, 0, 0, NOUVEAU_BO_RDWR, 0, 0);
117}
118
119
120boolean
121nvc0_screen_fence_new(struct nvc0_screen *, struct nvc0_fence **, boolean emit);
122
123void
124nvc0_screen_fence_next(struct nvc0_screen *);
125
126static INLINE boolean
127nvc0_screen_fence_emit(struct nvc0_screen *screen)
128{
129   nvc0_fence_emit(screen->fence.current);
130
131   return nvc0_screen_fence_new(screen, &screen->fence.current, FALSE);
132}
133
134struct nvc0_format {
135   uint32_t rt;
136   uint32_t tic;
137   uint32_t vtx;
138   uint32_t usage;
139};
140
141extern const struct nvc0_format nvc0_format_table[];
142
143static INLINE void
144nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nvc0_tic_entry *tic)
145{
146   if (tic->id >= 0)
147      screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
148}
149
150static INLINE void
151nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nvc0_tsc_entry *tsc)
152{
153   if (tsc->id >= 0)
154      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
155}
156
157static INLINE void
158nvc0_screen_tic_free(struct nvc0_screen *screen, struct nvc0_tic_entry *tic)
159{
160   if (tic->id >= 0) {
161      screen->tic.entries[tic->id] = NULL;
162      screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
163   }
164}
165
166static INLINE void
167nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nvc0_tsc_entry *tsc)
168{
169   if (tsc->id >= 0) {
170      screen->tsc.entries[tsc->id] = NULL;
171      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
172   }
173}
174
175#endif
176