1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#ifndef __NOUVEAU_CONTEXT_H__
#define __NOUVEAU_CONTEXT_H__
#include "pipe/p_context.h"
#include <nouveau.h>
#define NOUVEAU_MAX_SCRATCH_BUFS 4
struct nouveau_context {
struct pipe_context pipe;
struct nouveau_screen *screen;
struct nouveau_client *client;
struct nouveau_pushbuf *pushbuf;
bool vbo_dirty;
void (*copy_data)(struct nouveau_context *,
struct nouveau_bo *dst, unsigned, unsigned,
struct nouveau_bo *src, unsigned, unsigned, unsigned);
void (*push_data)(struct nouveau_context *,
struct nouveau_bo *dst, unsigned, unsigned,
unsigned, const void *);
/* base, size refer to the whole constant buffer */
void (*push_cb)(struct nouveau_context *,
struct nouveau_bo *, unsigned domain,
unsigned base, unsigned size,
unsigned offset, unsigned words, const uint32_t *);
/* @return: @ref reduced by nr of references found in context */
int (*invalidate_resource_storage)(struct nouveau_context *,
struct pipe_resource *,
int ref);
struct {
uint8_t *map;
unsigned id;
unsigned wrap;
unsigned offset;
unsigned end;
struct nouveau_bo *bo[NOUVEAU_MAX_SCRATCH_BUFS];
struct nouveau_bo *current;
struct runout {
unsigned nr;
struct nouveau_bo *bo[0];
} *runout;
unsigned bo_size;
} scratch;
struct {
uint32_t buf_cache_count;
uint32_t buf_cache_frame;
} stats;
};
static inline struct nouveau_context *
nouveau_context(struct pipe_context *pipe)
{
return (struct nouveau_context *)pipe;
}
void
nouveau_context_init_vdec(struct nouveau_context *);
void
nouveau_scratch_runout_release(struct nouveau_context *);
/* This is needed because we don't hold references outside of context::scratch,
* because we don't want to un-bo_ref each allocation every time. This is less
* work, and we need the wrap index anyway for extreme situations.
*/
static inline void
nouveau_scratch_done(struct nouveau_context *nv)
{
nv->scratch.wrap = nv->scratch.id;
if (unlikely(nv->scratch.runout))
nouveau_scratch_runout_release(nv);
}
/* Get pointer to scratch buffer.
* The returned nouveau_bo is only referenced by the context, don't un-ref it !
*/
void *
nouveau_scratch_get(struct nouveau_context *, unsigned size, uint64_t *gpu_addr,
struct nouveau_bo **);
static inline void
nouveau_context_destroy(struct nouveau_context *ctx)
{
int i;
for (i = 0; i < NOUVEAU_MAX_SCRATCH_BUFS; ++i)
if (ctx->scratch.bo[i])
nouveau_bo_ref(NULL, &ctx->scratch.bo[i]);
FREE(ctx);
}
static inline void
nouveau_context_update_frame_stats(struct nouveau_context *nv)
{
nv->stats.buf_cache_frame <<= 1;
if (nv->stats.buf_cache_count) {
nv->stats.buf_cache_count = 0;
nv->stats.buf_cache_frame |= 1;
if ((nv->stats.buf_cache_frame & 0xf) == 0xf)
nv->screen->hint_buf_keep_sysmem_copy = true;
}
}
#endif
|
