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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#define NOUVEAU_NVC0
#include "nouveau/nouveau_screen.h"
#include "nouveau/nouveau_winsys.h"
#undef NOUVEAU_NVC0
#include "nvc0_context.h"
#include "nvc0_resource.h"
static void
nvc0_buffer_destroy(struct pipe_screen *pscreen,
struct pipe_resource *presource)
{
struct nvc0_resource *res = nvc0_resource(presource);
if (res->bo)
nouveau_screen_bo_release(pscreen, res->bo);
if (res->data)
FREE(res->data);
FREE(res);
}
static void *
nvc0_buffer_transfer_map(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct nvc0_resource *res = nvc0_resource(transfer->resource);
uint8_t *map;
uint32_t flags;
if (res->base.bind & PIPE_BIND_VERTEX_BUFFER)
nvc0_context(pipe)->vbo_dirty = TRUE;
// #ifdef NOUVEAU_USERPSACE_MM
if (res->base.bind & PIPE_BIND_CONSTANT_BUFFER)
return res->data + transfer->box.x;
// #endif
flags = nouveau_screen_transfer_flags(transfer->usage);
map = nouveau_screen_bo_map_range(pipe->screen,
res->bo,
transfer->box.x, transfer->box.width,
flags);
if (!map)
return NULL;
return map + transfer->box.x;
}
static void
nvc0_buffer_transfer_flush_region(struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
struct nvc0_resource *res = nvc0_resource(transfer->resource);
#ifdef NOUVEAU_USERPSACE_MM
if (!res->bo)
return;
#endif
nouveau_screen_bo_map_flush_range(pipe->screen,
res->bo,
transfer->box.x + box->x,
box->width);
}
static void
nvc0_buffer_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct nvc0_resource *res = nvc0_resource(transfer->resource);
// #ifdef NOUVEAU_USERPSACE_MM
if (res->data)
return;
// #endif
nouveau_screen_bo_unmap(pipe->screen, res->bo);
}
const struct u_resource_vtbl nvc0_buffer_vtbl =
{
u_default_resource_get_handle, /* get_handle */
nvc0_buffer_destroy, /* resource_destroy */
NULL, /* is_resource_referenced */
u_default_get_transfer, /* get_transfer */
u_default_transfer_destroy, /* transfer_destroy */
nvc0_buffer_transfer_map, /* transfer_map */
nvc0_buffer_transfer_flush_region, /* transfer_flush_region */
nvc0_buffer_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
};
struct pipe_resource *
nvc0_buffer_create(struct pipe_screen *pscreen,
const struct pipe_resource *templ)
{
struct nvc0_resource *buffer;
buffer = CALLOC_STRUCT(nvc0_resource);
if (!buffer)
return NULL;
buffer->base = *templ;
buffer->vtbl = &nvc0_buffer_vtbl;
pipe_reference_init(&buffer->base.reference, 1);
buffer->base.screen = pscreen;
if (buffer->base.bind & PIPE_BIND_CONSTANT_BUFFER)
buffer->data = MALLOC(buffer->base.width0);
buffer->bo = nouveau_screen_bo_new(pscreen,
16,
buffer->base.usage,
buffer->base.bind,
buffer->base.width0);
if (buffer->bo == NULL)
goto fail;
return &buffer->base;
fail:
FREE(buffer);
return NULL;
}
struct pipe_resource *
nvc0_user_buffer_create(struct pipe_screen *pscreen,
void *ptr,
unsigned bytes,
unsigned bind)
{
struct nvc0_resource *buffer;
buffer = CALLOC_STRUCT(nvc0_resource);
if (!buffer)
return NULL;
pipe_reference_init(&buffer->base.reference, 1);
buffer->vtbl = &nvc0_buffer_vtbl;
buffer->base.screen = pscreen;
buffer->base.format = PIPE_FORMAT_R8_UNORM;
buffer->base.usage = PIPE_USAGE_IMMUTABLE;
buffer->base.bind = bind;
buffer->base.width0 = bytes;
buffer->base.height0 = 1;
buffer->base.depth0 = 1;
buffer->bo = nouveau_screen_bo_user(pscreen, ptr, bytes);
if (!buffer->bo)
goto fail;
return &buffer->base;
fail:
FREE(buffer);
return NULL;
}
|
