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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
|
/*
* 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 "util/u_inlines.h"
#include "util/u_format.h"
#include "nvc0_context.h"
#include "nvc0_resource.h"
#include "nvc0_transfer.h"
static INLINE uint32_t
get_tile_dims(unsigned nx, unsigned ny, unsigned nz)
{
uint32_t tile_mode = 0x000;
if (ny > 64) tile_mode = 0x040; /* height 128 tiles */
else
if (ny > 32) tile_mode = 0x030; /* height 64 tiles */
else
if (ny > 16) tile_mode = 0x020; /* height 32 tiles */
else
if (ny > 8) tile_mode = 0x010; /* height 16 tiles */
if (nz == 1)
return tile_mode;
else
if (tile_mode > 0x020)
tile_mode = 0x020;
if (nz > 16 && tile_mode < 0x020)
return tile_mode | 0x500; /* depth 32 tiles */
if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */
if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */
if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */
return tile_mode | 0x100;
}
static INLINE unsigned
get_zslice_offset(uint32_t tile_mode, unsigned z, unsigned pitch, unsigned nbh)
{
unsigned tile_h = NVC0_TILE_H(tile_mode);
unsigned tile_d = NVC0_TILE_D(tile_mode);
/* pitch_2d == to next slice within this volume tile */
/* pitch_3d == size (in bytes) of a volume tile */
unsigned pitch_2d = tile_h * 64;
unsigned pitch_3d = tile_d * align(nbh, tile_h) * pitch;
return (z % tile_d) * pitch_2d + (z / tile_d) * pitch_3d;
}
static void
nvc0_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
{
struct nvc0_miptree *mt = nvc0_miptree(pt);
unsigned l;
for (l = 0; l <= pt->last_level; ++l)
FREE(mt->level[l].image_offset);
nouveau_screen_bo_release(pscreen, mt->base.bo);
FREE(mt);
}
static boolean
nvc0_miptree_get_handle(struct pipe_screen *pscreen,
struct pipe_resource *pt,
struct winsys_handle *whandle)
{
struct nvc0_miptree *mt = nvc0_miptree(pt);
unsigned stride;
if (!mt || !mt->base.bo)
return FALSE;
stride = util_format_get_stride(mt->base.base.format,
mt->base.base.width0);
return nouveau_screen_bo_get_handle(pscreen,
mt->base.bo,
stride,
whandle);
}
const struct u_resource_vtbl nvc0_miptree_vtbl =
{
nvc0_miptree_get_handle, /* get_handle */
nvc0_miptree_destroy, /* resource_destroy */
NULL, /* is_resource_referenced */
nvc0_miptree_transfer_new, /* get_transfer */
nvc0_miptree_transfer_del, /* transfer_destroy */
nvc0_miptree_transfer_map, /* transfer_map */
u_default_transfer_flush_region, /* transfer_flush_region */
nvc0_miptree_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
};
struct pipe_resource *
nvc0_miptree_create(struct pipe_screen *pscreen,
const struct pipe_resource *templ)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nvc0_miptree *mt = CALLOC_STRUCT(nvc0_miptree);
struct pipe_resource *pt = &mt->base.base;
int ret, i;
unsigned w, h, d, l, image_alignment, alloc_size;
uint32_t tile_flags;
if (!mt)
return NULL;
mt->base.vtbl = &nvc0_miptree_vtbl;
*pt = *templ;
pipe_reference_init(&pt->reference, 1);
pt->screen = pscreen;
w = pt->width0;
h = pt->height0;
d = pt->depth0;
switch (pt->format) {
case PIPE_FORMAT_Z16_UNORM:
tile_flags = 0x0700; /* COMPRESSED */
tile_flags = 0x0200; /* NORMAL ? */
tile_flags = 0x0100; /* NORMAL ? */
break;
case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
tile_flags = 0x5300; /* MSAA 4, COMPRESSED */
tile_flags = 0x4600; /* NORMAL */
break;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
tile_flags = 0x1100; /* NORMAL */
if (w * h >= 128 * 128 && 0)
tile_flags = 0x1700; /* COMPRESSED, requires magic */
break;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
tile_flags = 0xf500; /* COMPRESSED */
tile_flags = 0xf700; /* MSAA 2 */
tile_flags = 0xf900; /* MSAA 4 */
tile_flags = 0xfe00; /* NORMAL */
break;
case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
tile_flags = 0xce00; /* COMPRESSED */
tile_flags = 0xcf00; /* MSAA 2, COMPRESSED */
tile_flags = 0xd000; /* MSAA 4, COMPRESSED */
tile_flags = 0xc300; /* NORMAL */
break;
case PIPE_FORMAT_R16G16B16A16_UNORM:
tile_flags = 0xe900; /* COMPRESSED */
break;
default:
tile_flags = 0xe000; /* MSAA 4, COMPRESSED 32 BIT */
tile_flags = 0xfe00; /* NORMAL 32 BIT */
if (w * h >= 128 * 128 && 0)
tile_flags = 0xdb00; /* COMPRESSED 32 BIT, requires magic */
break;
}
/* XXX: texture arrays */
mt->image_nr = (pt->target == PIPE_TEXTURE_CUBE) ? 6 : 1;
for (l = 0; l <= pt->last_level; l++) {
struct nvc0_miptree_level *lvl = &mt->level[l];
unsigned nby = util_format_get_nblocksy(pt->format, h);
lvl->image_offset = CALLOC(mt->image_nr, sizeof(int));
lvl->pitch = align(util_format_get_stride(pt->format, w), 64);
lvl->tile_mode = get_tile_dims(w, nby, d);
w = u_minify(w, 1);
h = u_minify(h, 1);
d = u_minify(d, 1);
}
image_alignment = NVC0_TILE_H(mt->level[0].tile_mode) * 64;
image_alignment *= NVC0_TILE_D(mt->level[0].tile_mode);
/* NOTE the distinction between arrays of mip-mapped 2D textures and
* mip-mapped 3D textures. We can't use image_nr == depth for 3D mip.
*/
for (i = 0; i < mt->image_nr; i++) {
for (l = 0; l <= pt->last_level; l++) {
struct nvc0_miptree_level *lvl = &mt->level[l];
int size;
unsigned tile_h = NVC0_TILE_H(lvl->tile_mode);
unsigned tile_d = NVC0_TILE_D(lvl->tile_mode);
h = u_minify(pt->height0, l);
d = u_minify(pt->depth0, l);
size = lvl->pitch;
size *= align(util_format_get_nblocksy(pt->format, h), tile_h);
size *= align(d, tile_d);
lvl->image_offset[i] = mt->total_size;
mt->total_size += size;
}
mt->total_size = align(mt->total_size, image_alignment);
}
alloc_size = mt->total_size;
if (tile_flags == 0x1700)
alloc_size *= 3; /* HiZ, XXX: correct size */
ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, alloc_size,
mt->level[0].tile_mode, tile_flags,
&mt->base.bo);
if (ret) {
for (l = 0; l <= pt->last_level; ++l)
FREE(mt->level[l].image_offset);
FREE(mt);
return NULL;
}
return pt;
}
struct pipe_resource *
nvc0_miptree_from_handle(struct pipe_screen *pscreen,
const struct pipe_resource *templ,
struct winsys_handle *whandle)
{
struct nvc0_miptree *mt;
unsigned stride;
/* only supports 2D, non-mip mapped textures for the moment */
if ((templ->target != PIPE_TEXTURE_2D &&
templ->target != PIPE_TEXTURE_RECT) ||
templ->last_level != 0 ||
templ->depth0 != 1)
return NULL;
mt = CALLOC_STRUCT(nvc0_miptree);
if (!mt)
return NULL;
mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
if (mt->base.bo == NULL) {
FREE(mt);
return NULL;
}
mt->base.base = *templ;
mt->base.vtbl = &nvc0_miptree_vtbl;
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 = mt->base.bo->tile_mode;
/* no need to adjust bo reference count */
return &mt->base.base;
}
/* Surface functions.
*/
struct pipe_surface *
nvc0_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct nvc0_miptree *mt = nvc0_miptree(pt);
struct nvc0_miptree_level *lvl = &mt->level[level];
struct pipe_surface *ps;
unsigned img = 0;
if (pt->target == PIPE_TEXTURE_CUBE)
img = face;
ps = CALLOC_STRUCT(pipe_surface);
if (!ps)
return NULL;
pipe_resource_reference(&ps->texture, pt);
ps->format = pt->format;
ps->width = u_minify(pt->width0, level);
ps->height = u_minify(pt->height0, 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];
if (pt->target == PIPE_TEXTURE_3D)
ps->offset += get_zslice_offset(lvl->tile_mode, zslice, lvl->pitch,
util_format_get_nblocksy(pt->format,
ps->height));
return ps;
}
void
nvc0_miptree_surface_del(struct pipe_surface *ps)
{
struct nvc0_surface *s = nvc0_surface(ps);
pipe_resource_reference(&ps->texture, NULL);
FREE(s);
}
|