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
|
/*
* Copyright 2008 Ben Skeggs
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "nv50_context.h"
static struct pipe_texture *
nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *tmp)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
struct pipe_texture *pt = &mt->base.base;
unsigned width = tmp->width[0], height = tmp->height[0];
unsigned depth = tmp->depth[0];
uint32_t tile_mode, tile_flags, tile_h;
int ret, i, l;
*pt = *tmp;
pipe_reference_init(&pt->reference, 1);
pt->screen = pscreen;
switch (pt->format) {
case PIPE_FORMAT_Z32_FLOAT:
tile_flags = 0x4800;
break;
case PIPE_FORMAT_Z24S8_UNORM:
tile_flags = 0x1800;
break;
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_S8Z24_UNORM:
tile_flags = 0x2800;
break;
default:
tile_flags = 0x7000;
break;
}
if (pt->height[0] > 32) tile_mode = 4;
else if (pt->height[0] > 16) tile_mode = 3;
else if (pt->height[0] > 8) tile_mode = 2;
else if (pt->height[0] > 4) tile_mode = 1;
else tile_mode = 0;
tile_h = 1 << (tile_mode + 2);
switch (pt->target) {
case PIPE_TEXTURE_3D:
mt->image_nr = pt->depth[0];
break;
case PIPE_TEXTURE_CUBE:
mt->image_nr = 6;
break;
default:
mt->image_nr = 1;
break;
}
for (l = 0; l <= pt->last_level; l++) {
struct nv50_miptree_level *lvl = &mt->level[l];
pt->width[l] = width;
pt->height[l] = height;
pt->depth[l] = depth;
pt->nblocksx[l] = pf_get_nblocksx(&pt->block, width);
pt->nblocksy[l] = pf_get_nblocksy(&pt->block, height);
lvl->image_offset = CALLOC(mt->image_nr, sizeof(int));
lvl->pitch = align(pt->width[l] * pt->block.size, 64);
lvl->tile_mode = tile_mode;
width = MAX2(1, width >> 1);
height = MAX2(1, height >> 1);
depth = MAX2(1, depth >> 1);
if (tile_mode && height <= (tile_h >> 1)) {
tile_mode--;
tile_h >>= 1;
}
}
for (i = 0; i < mt->image_nr; i++) {
for (l = 0; l <= pt->last_level; l++) {
struct nv50_miptree_level *lvl = &mt->level[l];
int size;
tile_h = 1 << (lvl->tile_mode + 2);
size = align(pt->width[l], 8) * pt->block.size;
size = align(size, 64);
size *= align(pt->height[l], tile_h);
lvl->image_offset[i] = mt->total_size;
mt->total_size += size;
}
}
ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, mt->total_size,
mt->level[0].tile_mode, tile_flags,
&mt->base.bo);
if (ret) {
FREE(mt);
return NULL;
}
return pt;
}
static struct pipe_texture *
nv50_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
const unsigned *stride, struct pipe_buffer *pb)
{
struct nouveau_bo *bo = nouveau_bo(pb);
struct nv50_miptree *mt;
/* Only supports 2D, non-mipmapped textures for the moment */
if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
pt->depth[0] != 1)
return NULL;
mt = CALLOC_STRUCT(nv50_miptree);
if (!mt)
return NULL;
mt->base.base = *pt;
pipe_reference_init(&mt->base.base.reference, 1);
mt->base.base.screen = pscreen;
mt->image_nr = 1;
mt->level[0].pitch = *stride;
mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
mt->level[0].tile_mode = bo->tile_mode;
nouveau_bo_ref(bo, &mt->base.bo);
return &mt->base.base;
}
static void
nv50_miptree_destroy(struct pipe_texture *pt)
{
struct nv50_miptree *mt = nv50_miptree(pt);
nouveau_bo_ref(NULL, &mt->base.bo);
FREE(mt);
}
static struct pipe_surface *
nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct nv50_miptree *mt = nv50_miptree(pt);
struct nv50_miptree_level *lvl = &mt->level[level];
struct pipe_surface *ps;
int img;
if (pt->target == PIPE_TEXTURE_CUBE)
img = face;
else
if (pt->target == PIPE_TEXTURE_3D)
img = zslice;
else
img = 0;
ps = CALLOC_STRUCT(pipe_surface);
if (!ps)
return NULL;
pipe_texture_reference(&ps->texture, pt);
ps->format = pt->format;
ps->width = pt->width[level];
ps->height = pt->height[level];
ps->usage = flags;
pipe_reference_init(&ps->reference, 1);
ps->face = face;
ps->level = level;
ps->zslice = zslice;
ps->offset = lvl->image_offset[img];
return ps;
}
static void
nv50_miptree_surface_del(struct pipe_surface *ps)
{
struct nv50_surface *s = nv50_surface(ps);
pipe_texture_reference(&ps->texture, NULL);
FREE(s);
}
void
nv50_screen_init_miptree_functions(struct pipe_screen *pscreen)
{
pscreen->texture_create = nv50_miptree_create;
pscreen->texture_blanket = nv50_miptree_blanket;
pscreen->texture_destroy = nv50_miptree_destroy;
pscreen->get_tex_surface = nv50_miptree_surface_new;
pscreen->tex_surface_destroy = nv50_miptree_surface_del;
}
|
