2 * Copyright 2008 Ben Skeggs
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "pipe/p_state.h"
24 #include "pipe/p_defines.h"
25 #include "util/u_inlines.h"
26 #include "util/u_format.h"
28 #include "nvc0_context.h"
29 #include "nvc0_resource.h"
32 nvc0_tex_choose_tile_dims(unsigned nx
, unsigned ny
, unsigned nz
)
34 uint32_t tile_mode
= 0x000;
36 if (ny
> 64) tile_mode
= 0x040; /* height 128 tiles */
38 if (ny
> 32) tile_mode
= 0x030; /* height 64 tiles */
40 if (ny
> 16) tile_mode
= 0x020; /* height 32 tiles */
42 if (ny
> 8) tile_mode
= 0x010; /* height 16 tiles */
47 if (tile_mode
> 0x020)
50 if (nz
> 16 && tile_mode
< 0x020)
51 return tile_mode
| 0x500; /* depth 32 tiles */
52 if (nz
> 8) return tile_mode
| 0x400; /* depth 16 tiles */
53 if (nz
> 4) return tile_mode
| 0x300; /* depth 8 tiles */
54 if (nz
> 2) return tile_mode
| 0x200; /* depth 4 tiles */
56 return tile_mode
| 0x100;
60 nvc0_mt_choose_storage_type(struct nv50_miptree
*mt
, boolean compressed
)
62 const unsigned ms
= util_logbase2(mt
->base
.base
.nr_samples
);
66 compressed
= FALSE
; /* not yet supported */
68 if (unlikely(mt
->base
.base
.bind
& PIPE_BIND_CURSOR
))
70 if (unlikely(mt
->base
.base
.flags
& NOUVEAU_RESOURCE_FLAG_LINEAR
))
73 switch (mt
->base
.base
.format
) {
74 case PIPE_FORMAT_Z16_UNORM
:
76 tile_flags
= 0x02 + ms
;
80 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
82 tile_flags
= 0x51 + ms
;
86 case PIPE_FORMAT_Z24X8_UNORM
:
87 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
89 tile_flags
= 0x17 + ms
;
93 case PIPE_FORMAT_Z32_FLOAT
:
95 tile_flags
= 0x86 + ms
;
99 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
101 tile_flags
= 0xce + ms
;
106 switch (util_format_get_blocksizebits(mt
->base
.base
.format
)) {
109 tile_flags
= 0xf4 + ms
;
116 case 0: tile_flags
= 0xe6; break;
117 case 1: tile_flags
= 0xeb; break;
118 case 2: tile_flags
= 0xed; break;
119 case 3: tile_flags
= 0xf2; break;
130 case 0: tile_flags
= 0xdb; break;
131 case 1: tile_flags
= 0xdd; break;
132 case 2: tile_flags
= 0xdf; break;
133 case 3: tile_flags
= 0xe4; break;
154 static INLINE boolean
155 nvc0_miptree_init_ms_mode(struct nv50_miptree
*mt
)
157 switch (mt
->base
.base
.nr_samples
) {
159 mt
->ms_mode
= NVC0_3D_MULTISAMPLE_MODE_MS8
;
164 mt
->ms_mode
= NVC0_3D_MULTISAMPLE_MODE_MS4
;
169 mt
->ms_mode
= NVC0_3D_MULTISAMPLE_MODE_MS2
;
174 mt
->ms_mode
= NVC0_3D_MULTISAMPLE_MODE_MS1
;
177 NOUVEAU_ERR("invalid nr_samples: %u\n", mt
->base
.base
.nr_samples
);
184 nv50_miptree_init_layout_linear(struct nv50_miptree
*);
187 nvc0_miptree_init_layout_video(struct nv50_miptree
*mt
)
189 const struct pipe_resource
*pt
= &mt
->base
.base
;
190 const unsigned blocksize
= util_format_get_blocksize(pt
->format
);
192 unsigned nbx
= util_format_get_nblocksx(pt
->format
, pt
->width0
);
193 unsigned nby
= util_format_get_nblocksy(pt
->format
, pt
->height0
);
195 assert(pt
->last_level
== 0);
196 assert(mt
->ms_x
== 0 &&
198 assert(!util_format_is_compressed(pt
->format
));
201 mt
->level
[0].tile_mode
= 0x10;
202 mt
->level
[0].pitch
= align(nbx
* blocksize
, 64);
203 mt
->total_size
= align(nby
, 16) * mt
->level
[0].pitch
;
205 if (pt
->array_size
> 1) {
206 mt
->layer_stride
= align(mt
->total_size
, NVC0_TILE_SIZE(0x10));
207 mt
->total_size
= mt
->layer_stride
* pt
->array_size
;
212 nvc0_miptree_init_layout_tiled(struct nv50_miptree
*mt
)
214 struct pipe_resource
*pt
= &mt
->base
.base
;
216 const unsigned blocksize
= util_format_get_blocksize(pt
->format
);
218 mt
->layout_3d
= pt
->target
== PIPE_TEXTURE_3D
;
220 w
= pt
->width0
<< mt
->ms_x
;
221 h
= pt
->height0
<< mt
->ms_y
;
223 /* For 3D textures, a mipmap is spanned by all the layers, for array
224 * textures and cube maps, each layer contains its own mipmaps.
226 d
= mt
->layout_3d
? pt
->depth0
: 1;
228 for (l
= 0; l
<= pt
->last_level
; ++l
) {
229 struct nv50_miptree_level
*lvl
= &mt
->level
[l
];
230 unsigned tsx
, tsy
, tsz
;
231 unsigned nbx
= util_format_get_nblocksx(pt
->format
, w
);
232 unsigned nby
= util_format_get_nblocksy(pt
->format
, h
);
234 lvl
->offset
= mt
->total_size
;
236 lvl
->tile_mode
= nvc0_tex_choose_tile_dims(nbx
, nby
, d
);
238 tsx
= NVC0_TILE_SIZE_X(lvl
->tile_mode
); /* x is tile row pitch in bytes */
239 tsy
= NVC0_TILE_SIZE_Y(lvl
->tile_mode
);
240 tsz
= NVC0_TILE_SIZE_Z(lvl
->tile_mode
);
242 lvl
->pitch
= align(nbx
* blocksize
, tsx
);
244 mt
->total_size
+= lvl
->pitch
* align(nby
, tsy
) * align(d
, tsz
);
251 if (pt
->array_size
> 1) {
252 mt
->layer_stride
= align(mt
->total_size
,
253 NVC0_TILE_SIZE(mt
->level
[0].tile_mode
));
254 mt
->total_size
= mt
->layer_stride
* pt
->array_size
;
258 const struct u_resource_vtbl nvc0_miptree_vtbl
=
260 nv50_miptree_get_handle
, /* get_handle */
261 nv50_miptree_destroy
, /* resource_destroy */
262 nvc0_miptree_transfer_new
, /* get_transfer */
263 nvc0_miptree_transfer_del
, /* transfer_destroy */
264 nvc0_miptree_transfer_map
, /* transfer_map */
265 u_default_transfer_flush_region
, /* transfer_flush_region */
266 nvc0_miptree_transfer_unmap
, /* transfer_unmap */
267 u_default_transfer_inline_write
/* transfer_inline_write */
270 struct pipe_resource
*
271 nvc0_miptree_create(struct pipe_screen
*pscreen
,
272 const struct pipe_resource
*templ
)
274 struct nouveau_device
*dev
= nouveau_screen(pscreen
)->device
;
275 struct nv50_miptree
*mt
= CALLOC_STRUCT(nv50_miptree
);
276 struct pipe_resource
*pt
= &mt
->base
.base
;
278 union nouveau_bo_config bo_config
;
284 mt
->base
.vtbl
= &nvc0_miptree_vtbl
;
286 pipe_reference_init(&pt
->reference
, 1);
287 pt
->screen
= pscreen
;
289 bo_config
.nvc0
.memtype
= nvc0_mt_choose_storage_type(mt
, TRUE
);
291 if (!nvc0_miptree_init_ms_mode(mt
)) {
296 if (unlikely(pt
->flags
& NVC0_RESOURCE_FLAG_VIDEO
)) {
297 nvc0_miptree_init_layout_video(mt
);
299 if (likely(bo_config
.nvc0
.memtype
)) {
300 nvc0_miptree_init_layout_tiled(mt
);
302 if (!nv50_miptree_init_layout_linear(mt
)) {
306 bo_config
.nvc0
.tile_mode
= mt
->level
[0].tile_mode
;
308 mt
->base
.domain
= NOUVEAU_BO_VRAM
;
310 bo_flags
= mt
->base
.domain
| NOUVEAU_BO_NOSNOOP
;
312 if (mt
->base
.base
.bind
& (PIPE_BIND_CURSOR
| PIPE_BIND_DISPLAY_TARGET
))
313 bo_flags
|= NOUVEAU_BO_CONTIG
;
315 ret
= nouveau_bo_new(dev
, bo_flags
, 4096, mt
->total_size
, &bo_config
,
321 mt
->base
.address
= mt
->base
.bo
->offset
;
326 /* Offset of zslice @z from start of level @l. */
328 nvc0_mt_zslice_offset(const struct nv50_miptree
*mt
, unsigned l
, unsigned z
)
330 const struct pipe_resource
*pt
= &mt
->base
.base
;
332 unsigned tds
= NVC0_TILE_SHIFT_Z(mt
->level
[l
].tile_mode
);
333 unsigned ths
= NVC0_TILE_SHIFT_Y(mt
->level
[l
].tile_mode
);
335 unsigned nby
= util_format_get_nblocksy(pt
->format
,
336 u_minify(pt
->height0
, l
));
338 /* to next 2D tile slice within a 3D tile */
339 unsigned stride_2d
= NVC0_TILE_SIZE_2D(mt
->level
[l
].tile_mode
);
341 /* to slice in the next (in z direction) 3D tile */
342 unsigned stride_3d
= (align(nby
, (1 << ths
)) * mt
->level
[l
].pitch
) << tds
;
344 return (z
& (1 << (tds
- 1))) * stride_2d
+ (z
>> tds
) * stride_3d
;
347 /* Surface functions.
350 struct pipe_surface
*
351 nvc0_miptree_surface_new(struct pipe_context
*pipe
,
352 struct pipe_resource
*pt
,
353 const struct pipe_surface
*templ
)
355 struct nv50_surface
*ns
= nv50_surface_from_miptree(nv50_miptree(pt
), templ
);
358 ns
->base
.context
= pipe
;