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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
#include "pipe/p_winsys.h"
#include "pipe/p_defines.h"
#include "pipe/p_util.h"
#include "nouveau_context.h"
#include "nouveau_device.h"
#include "nouveau_local.h"
#include "nouveau_screen.h"
#include "nouveau_swapbuffers.h"
#include "nouveau_winsys_pipe.h"
static void
nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
void *context_private)
{
struct nouveau_context *nv = context_private;
__DRIdrawablePrivate *dPriv = nv->dri_drawable;
nouveau_copy_buffer(dPriv, surf, NULL);
}
static void
nouveau_printf(struct pipe_winsys *pws, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
static const char *
nouveau_get_name(struct pipe_winsys *pws)
{
return "Nouveau/DRI";
}
static unsigned
nouveau_surface_pitch(struct pipe_winsys *ws, unsigned cpp, unsigned width,
unsigned flags)
{
unsigned pitch = width * cpp;
pitch = (pitch + 63) & ~63;
return pitch / cpp;
}
static struct pipe_surface *
nouveau_surface_alloc(struct pipe_winsys *ws, unsigned format)
{
struct pipe_surface *surf;
surf = CALLOC_STRUCT(pipe_surface);
if (!surf)
return NULL;
surf->format = format;
surf->refcount = 1;
surf->winsys = ws;
return surf;
}
static void
nouveau_surface_release(struct pipe_winsys *ws, struct pipe_surface **s)
{
struct pipe_surface *surf = *s;
*s = NULL;
if (--surf->refcount <= 0) {
if (surf->buffer)
ws->buffer_reference(ws, &surf->buffer, NULL);
free(surf);
}
}
static struct pipe_buffer_handle *
nouveau_pipe_bo_create(struct pipe_winsys *pws, unsigned alignment)
{
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_device *dev = nvpws->nv->nv_screen->device;
struct nouveau_bo *nvbo = NULL;
if (nouveau_bo_new(dev, NOUVEAU_BO_LOCAL, alignment, 0, &nvbo))
return NULL;
return (struct pipe_buffer_handle *)nvbo;
}
static struct pipe_buffer_handle *
nouveau_pipe_bo_user_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
{
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_device *dev = nvpws->nv->nv_screen->device;
struct nouveau_bo *nvbo = NULL;
if (nouveau_bo_user(dev, ptr, bytes, &nvbo))
return NULL;
return (struct pipe_buffer_handle *)nvbo;
}
static void *
nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer_handle *bo,
unsigned flags)
{
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo;
uint32_t map_flags = 0;
if (flags & PIPE_BUFFER_FLAG_READ)
map_flags |= NOUVEAU_BO_RD;
if (flags & PIPE_BUFFER_FLAG_WRITE)
map_flags |= NOUVEAU_BO_WR;
if (nouveau_bo_map(nvbo, map_flags))
return NULL;
return nvbo->map;
}
static void
nouveau_pipe_bo_unmap(struct pipe_winsys *pws, struct pipe_buffer_handle *bo)
{
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo;
nouveau_bo_unmap(nvbo);
}
static void
nouveau_pipe_bo_reference(struct pipe_winsys *pws,
struct pipe_buffer_handle **ptr,
struct pipe_buffer_handle *bo)
{
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_context *nv = nvpws->nv;
struct nouveau_device *dev = nv->nv_screen->device;
if (*ptr) {
struct nouveau_bo *nvbo = (struct nouveau_bo *)*ptr;
FIRE_RING();
nouveau_bo_del(&nvbo);
*ptr = NULL;
}
if (bo) {
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo, *new = NULL;
nouveau_bo_ref(dev, nvbo->handle, &new);
*ptr = bo;
}
}
static void
nouveau_pipe_bo_data(struct pipe_winsys *pws, struct pipe_buffer_handle *bo,
unsigned size, const void *data, unsigned usage)
{
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo;
if (nvbo->size != size)
nouveau_bo_resize(nvbo, size);
if (data) {
if (nouveau_bo_map(nvbo, NOUVEAU_BO_WR))
return;
memcpy(nvbo->map, data, size);
nouveau_bo_unmap(nvbo);
}
}
static void
nouveau_pipe_bo_subdata(struct pipe_winsys *pws, struct pipe_buffer_handle *bo,
unsigned long offset, unsigned long size,
const void *data)
{
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo;
if (nouveau_bo_map(nvbo, NOUVEAU_BO_WR))
return;
memcpy(nvbo->map + offset, data, size);
nouveau_bo_unmap(nvbo);
}
static void
nouveau_pipe_bo_get_subdata(struct pipe_winsys *pws,
struct pipe_buffer_handle *bo, unsigned long offset,
unsigned long size, void *data)
{
struct nouveau_bo *nvbo = (struct nouveau_bo *)bo;
if (nouveau_bo_map(nvbo, NOUVEAU_BO_RD))
return;
memcpy(data, nvbo->map + offset, size);
nouveau_bo_unmap(nvbo);
}
struct pipe_winsys *
nouveau_create_pipe_winsys(struct nouveau_context *nv)
{
struct nouveau_pipe_winsys *nvpws;
struct pipe_winsys *pws;
nvpws = CALLOC_STRUCT(nouveau_pipe_winsys);
if (!nvpws)
return NULL;
nvpws->nv = nv;
pws = &nvpws->pws;
pws->flush_frontbuffer = nouveau_flush_frontbuffer;
pws->printf = nouveau_printf;
pws->surface_pitch = nouveau_surface_pitch;
pws->surface_alloc = nouveau_surface_alloc;
pws->surface_release = nouveau_surface_release;
pws->buffer_create = nouveau_pipe_bo_create;
pws->user_buffer_create = nouveau_pipe_bo_user_create;
pws->buffer_map = nouveau_pipe_bo_map;
pws->buffer_unmap = nouveau_pipe_bo_unmap;
pws->buffer_reference = nouveau_pipe_bo_reference;
pws->buffer_data = nouveau_pipe_bo_data;
pws->buffer_subdata = nouveau_pipe_bo_subdata;
pws->buffer_get_subdata= nouveau_pipe_bo_get_subdata;
pws->get_name = nouveau_get_name;
return &nvpws->pws;
}
|
