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
223
|
#ifndef NVFX_RESOURCE_H
#define NVFX_RESOURCE_H
#include "util/u_transfer.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_double_list.h"
#include "util/u_surfaces.h"
#include "util/u_dirty_surfaces.h"
#include <nouveau/nouveau_bo.h>
struct pipe_resource;
struct nv04_region;
struct nvfx_resource {
struct pipe_resource base;
struct nouveau_bo *bo;
};
static INLINE
struct nvfx_resource *nvfx_resource(struct pipe_resource *resource)
{
return (struct nvfx_resource *)resource;
}
#define NVFX_RESOURCE_FLAG_LINEAR (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
#define NVFX_RESOURCE_FLAG_USER (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
/* is resource mapped into the GPU's address space (i.e. VRAM or GART) ? */
static INLINE boolean
nvfx_resource_mapped_by_gpu(struct pipe_resource *resource)
{
return nvfx_resource(resource)->bo->handle;
}
/* is resource in VRAM? */
static inline int
nvfx_resource_on_gpu(struct pipe_resource* pr)
{
#if 0
// a compiler error here means you need to apply libdrm-nouveau-add-domain.patch to libdrm
// TODO: return FALSE if not VRAM and on a PCI-E system
return ((struct nvfx_resource*)pr)->bo->domain & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART);
#else
return TRUE;
#endif
}
#define NVFX_MAX_TEXTURE_LEVELS 16
/* We have the following invariants for render temporaries
*
* 1. Render temporaries are always linear
* 2. Render temporaries are always up to date
* 3. Currently, render temporaries are destroyed when the resource is used for sampling, but kept for any other use
*
* Also, we do NOT flush temporaries on any pipe->flush().
* This is fine, as long as scanout targets and shared resources never need temps.
*
* TODO: we may want to also support swizzled temporaries to improve performance in some cases.
*/
struct nvfx_miptree {
struct nvfx_resource base;
unsigned linear_pitch; /* for linear textures, 0 for swizzled and compressed textures with level-dependent minimal pitch */
unsigned face_size; /* 128-byte aligned face/total size */
unsigned level_offset[NVFX_MAX_TEXTURE_LEVELS];
struct util_surfaces surfaces;
struct util_dirty_surfaces dirty_surfaces;
};
struct nvfx_surface {
struct util_dirty_surface base;
unsigned pitch;
unsigned offset;
struct nvfx_miptree* temp;
};
static INLINE struct nouveau_bo *
nvfx_surface_buffer(struct pipe_surface *surf)
{
struct nvfx_resource *mt = nvfx_resource(surf->texture);
return mt->bo;
}
static INLINE struct util_dirty_surfaces*
nvfx_surface_get_dirty_surfaces(struct pipe_surface* surf)
{
struct nvfx_miptree *mt = (struct nvfx_miptree *)surf->texture;
return &mt->dirty_surfaces;
}
void
nvfx_init_resource_functions(struct pipe_context *pipe);
void
nvfx_screen_init_resource_functions(struct pipe_screen *pscreen);
/* Internal:
*/
struct pipe_resource *
nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt);
void
nvfx_miptree_destroy(struct pipe_screen *pscreen,
struct pipe_resource *presource);
struct pipe_resource *
nvfx_miptree_from_handle(struct pipe_screen *pscreen,
const struct pipe_resource *template,
struct winsys_handle *whandle);
void
nvfx_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps);
struct pipe_surface *
nvfx_miptree_surface_new(struct pipe_context *pipe, struct pipe_resource *pt,
const struct pipe_surface *surf_tmpl);
/* only for miptrees, don't use for buffers */
/* NOTE: for swizzled 3D textures, this just returns the offset of the mipmap level */
static inline unsigned
nvfx_subresource_offset(struct pipe_resource* pt, unsigned face, unsigned level, unsigned zslice)
{
if(pt->target == PIPE_BUFFER)
return 0;
else
{
struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
unsigned offset = mt->level_offset[level];
if (pt->target == PIPE_TEXTURE_CUBE)
offset += mt->face_size * face;
else if (pt->target == PIPE_TEXTURE_3D && mt->linear_pitch)
offset += zslice * util_format_get_2d_size(pt->format, (mt->linear_pitch ? mt->linear_pitch : util_format_get_stride(pt->format, u_minify(pt->width0, level))), u_minify(pt->height0, level));
return offset;
}
}
static inline unsigned
nvfx_subresource_pitch(struct pipe_resource* pt, unsigned level)
{
if(pt->target == PIPE_BUFFER)
return ((struct nvfx_resource*)pt)->bo->size;
else
{
struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
if(mt->linear_pitch)
return mt->linear_pitch;
else
return util_format_get_stride(pt->format, u_minify(pt->width0, level));
}
}
void
nvfx_surface_create_temp(struct pipe_context* pipe, struct pipe_surface* surf);
void
nvfx_surface_flush(struct pipe_context* pipe, struct pipe_surface* surf);
struct nvfx_buffer
{
struct nvfx_resource base;
uint8_t* data;
unsigned size;
/* the range of data not yet uploaded to the GPU bo */
unsigned dirty_begin;
unsigned dirty_end;
/* whether all transfers were unsynchronized */
boolean dirty_unsynchronized;
/* whether it would have been profitable to upload
* the latest updated data to the GPU immediately */
boolean last_update_static;
/* how many bytes we need to draw before we deem
* the buffer to be static
*/
long long bytes_to_draw_until_static;
};
static inline struct nvfx_buffer* nvfx_buffer(struct pipe_resource* pr)
{
return (struct nvfx_buffer*)pr;
}
/* this is an heuristic to determine whether we are better off uploading the
* buffer to the GPU, or just continuing pushing it on the FIFO
*/
static inline boolean nvfx_buffer_seems_static(struct nvfx_buffer* buffer)
{
return buffer->last_update_static
|| buffer->bytes_to_draw_until_static < 0;
}
struct pipe_resource *
nvfx_buffer_create(struct pipe_screen *pscreen,
const struct pipe_resource *template);
void
nvfx_buffer_destroy(struct pipe_screen *pscreen,
struct pipe_resource *presource);
struct pipe_resource *
nvfx_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
unsigned usage);
void
nvfx_buffer_upload(struct nvfx_buffer* buffer);
#endif
|
