nvc0_screen.h revision cad17554c4b121c03e188dd0281718a52d603a15 
1#ifndef __NVC0_SCREEN_H__
2#define __NVC0_SCREEN_H__
3
4#define NOUVEAU_NVC0
5#include "nouveau/nouveau_screen.h"
6#include "nouveau/nouveau_mm.h"
7#include "nouveau/nouveau_fence.h"
8#undef NOUVEAU_NVC0
9#include "nvc0_winsys.h"
10#include "nvc0_stateobj.h"
11
12#define NVC0_TIC_MAX_ENTRIES 2048
13#define NVC0_TSC_MAX_ENTRIES 2048
14
15struct nvc0_context;
16
17#define NVC0_SCRATCH_SIZE (2 << 20)
18#define NVC0_SCRATCH_NR_BUFFERS 2
19
20#define NVC0_SCREEN_RESIDENT_BO_COUNT 5
21
22struct nvc0_screen {
23   struct nouveau_screen base;
24   struct nouveau_winsys *nvws;
25
26   struct nvc0_context *cur_ctx;
27
28   struct nouveau_bo *text;
29   struct nouveau_bo *uniforms;
30   struct nouveau_bo *tls;
31   struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
32   struct nouveau_bo *vfetch_cache;
33
34   uint64_t tls_size;
35
36   struct nouveau_resource *text_heap;
37
38   struct {
39      struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
40      uint8_t *buf;
41      int index;
42      uint32_t offset;
43   } scratch;
44
45   struct {
46      void **entries;
47      int next;
48      uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
49   } tic;
50
51   struct {
52      void **entries;
53      int next;
54      uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
55   } tsc;
56
57   struct {
58      struct nouveau_bo *bo;
59      uint32_t *map;
60   } fence;
61
62   struct nouveau_mman *mm_VRAM_fe0;
63
64   struct nouveau_grobj *fermi;
65   struct nouveau_grobj *eng2d;
66   struct nouveau_grobj *m2mf;
67};
68
69static INLINE struct nvc0_screen *
70nvc0_screen(struct pipe_screen *screen)
71{
72   return (struct nvc0_screen *)screen;
73}
74
75void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
76
77int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
78int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
79
80static INLINE void
81nvc0_resource_fence(struct nv04_resource *res, uint32_t flags)
82{
83   struct nvc0_screen *screen = nvc0_screen(res->base.screen);
84
85   if (res->mm) {
86      nouveau_fence_ref(screen->base.fence.current, &res->fence);
87
88      if (flags & NOUVEAU_BO_WR)
89         nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
90   }
91}
92
93static INLINE void
94nvc0_resource_validate(struct nv04_resource *res, uint32_t flags)
95{
96   struct nvc0_screen *screen = nvc0_screen(res->base.screen);
97
98   if (likely(res->bo)) {
99      nouveau_bo_validate(screen->base.channel, res->bo, flags);
100
101      if (flags & NOUVEAU_BO_WR)
102         res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
103      if (flags & NOUVEAU_BO_RD)
104         res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
105
106      nvc0_resource_fence(res, flags);
107   }
108}
109
110struct nvc0_format {
111   uint32_t rt;
112   uint32_t tic;
113   uint32_t vtx;
114   uint32_t usage;
115};
116
117extern const struct nvc0_format nvc0_format_table[];
118
119static INLINE void
120nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
121{
122   if (tic->id >= 0)
123      screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
124}
125
126static INLINE void
127nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
128{
129   if (tsc->id >= 0)
130      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
131}
132
133static INLINE void
134nvc0_screen_tic_free(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
135{
136   if (tic->id >= 0) {
137      screen->tic.entries[tic->id] = NULL;
138      screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
139   }
140}
141
142static INLINE void
143nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
144{
145   if (tsc->id >= 0) {
146      screen->tsc.entries[tsc->id] = NULL;
147      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
148   }
149}
150
151#endif
152