1 /*
2 * Copyright 2008 Ben Skeggs
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "pipe/p_state.h"
24 #include "pipe/p_defines.h"
25 #include "util/u_inlines.h"
26 #include "util/format/u_format.h"
27
28 #include "nv50/nv50_context.h"
29 #include "nv50/nv50_resource.h"
30
31 uint32_t
nv50_tex_choose_tile_dims_helper(unsigned nx,unsigned ny,unsigned nz,bool is_3d)32 nv50_tex_choose_tile_dims_helper(unsigned nx, unsigned ny, unsigned nz,
33 bool is_3d)
34 {
35 uint32_t tile_mode = 0x000;
36
37 if (ny > 64) tile_mode = 0x040; /* height 128 tiles */
38 else
39 if (ny > 32) tile_mode = 0x030; /* height 64 tiles */
40 else
41 if (ny > 16) tile_mode = 0x020; /* height 32 tiles */
42 else
43 if (ny > 8) tile_mode = 0x010; /* height 16 tiles */
44
45 if (!is_3d)
46 return tile_mode;
47 else
48 if (tile_mode > 0x020)
49 tile_mode = 0x020;
50
51 if (nz > 16 && tile_mode < 0x020)
52 return tile_mode | 0x500; /* depth 32 tiles */
53 if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */
54 if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */
55 if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */
56 if (nz > 1) return tile_mode | 0x100; /* depth 2 tiles */
57
58 return tile_mode;
59 }
60
61 static uint32_t
nv50_tex_choose_tile_dims(unsigned nx,unsigned ny,unsigned nz,bool is_3d)62 nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz, bool is_3d)
63 {
64 return nv50_tex_choose_tile_dims_helper(nx, ny * 2, nz, is_3d);
65 }
66
67 static uint32_t
nv50_mt_choose_storage_type(struct nv50_miptree * mt,bool compressed)68 nv50_mt_choose_storage_type(struct nv50_miptree *mt, bool compressed)
69 {
70 const unsigned ms = util_logbase2(mt->base.base.nr_samples);
71 uint32_t tile_flags;
72
73 if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR))
74 return 0;
75 if (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR))
76 return 0;
77
78 switch (mt->base.base.format) {
79 case PIPE_FORMAT_Z16_UNORM:
80 tile_flags = 0x6c + ms;
81 break;
82 case PIPE_FORMAT_X8Z24_UNORM:
83 case PIPE_FORMAT_S8X24_UINT:
84 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
85 tile_flags = 0x18 + ms;
86 break;
87 case PIPE_FORMAT_X24S8_UINT:
88 case PIPE_FORMAT_Z24X8_UNORM:
89 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
90 tile_flags = 0x128 + ms;
91 break;
92 case PIPE_FORMAT_Z32_FLOAT:
93 tile_flags = 0x40 + ms;
94 break;
95 case PIPE_FORMAT_X32_S8X24_UINT:
96 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
97 tile_flags = 0x60 + ms;
98 break;
99 default:
100 /* Most color formats don't work with compression. */
101 compressed = false;
102 FALLTHROUGH;
103 case PIPE_FORMAT_R8G8B8A8_UNORM:
104 case PIPE_FORMAT_R8G8B8A8_SRGB:
105 case PIPE_FORMAT_R8G8B8X8_UNORM:
106 case PIPE_FORMAT_R8G8B8X8_SRGB:
107 case PIPE_FORMAT_B8G8R8A8_UNORM:
108 case PIPE_FORMAT_B8G8R8A8_SRGB:
109 case PIPE_FORMAT_B8G8R8X8_UNORM:
110 case PIPE_FORMAT_B8G8R8X8_SRGB:
111 case PIPE_FORMAT_R10G10B10A2_UNORM:
112 case PIPE_FORMAT_B10G10R10A2_UNORM:
113 case PIPE_FORMAT_R16G16B16A16_FLOAT:
114 case PIPE_FORMAT_R16G16B16X16_FLOAT:
115 case PIPE_FORMAT_R11G11B10_FLOAT:
116 switch (util_format_get_blocksizebits(mt->base.base.format)) {
117 case 128:
118 assert(ms < 3);
119 tile_flags = 0x74;
120 break;
121 case 64:
122 switch (ms) {
123 case 2: tile_flags = 0xfc; break;
124 case 3: tile_flags = 0xfd; break;
125 default:
126 tile_flags = 0x70;
127 break;
128 }
129 break;
130 case 32:
131 if (mt->base.base.bind & PIPE_BIND_SCANOUT) {
132 assert(ms == 0);
133 tile_flags = 0x7a;
134 } else {
135 switch (ms) {
136 case 2: tile_flags = 0xf8; break;
137 case 3: tile_flags = 0xf9; break;
138 default:
139 tile_flags = 0x70;
140 break;
141 }
142 }
143 break;
144 case 16:
145 case 8:
146 tile_flags = 0x70;
147 break;
148 default:
149 return 0;
150 }
151 if (mt->base.base.bind & PIPE_BIND_CURSOR)
152 tile_flags = 0;
153 }
154
155 if (!compressed)
156 tile_flags &= ~0x180;
157
158 return tile_flags;
159 }
160
161 void
nv50_miptree_destroy(struct pipe_screen * pscreen,struct pipe_resource * pt)162 nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
163 {
164 struct nv50_miptree *mt = nv50_miptree(pt);
165
166 nouveau_fence_work(mt->base.fence, nouveau_fence_unref_bo, mt->base.bo);
167 nouveau_fence_ref(NULL, &mt->base.fence);
168 nouveau_fence_ref(NULL, &mt->base.fence_wr);
169
170 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, -1);
171 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_bytes,
172 -(uint64_t)mt->total_size);
173
174 FREE(mt);
175 }
176
177 bool
nv50_miptree_get_handle(struct pipe_screen * pscreen,struct pipe_context * context,struct pipe_resource * pt,struct winsys_handle * whandle,unsigned usage)178 nv50_miptree_get_handle(struct pipe_screen *pscreen,
179 struct pipe_context *context,
180 struct pipe_resource *pt,
181 struct winsys_handle *whandle,
182 unsigned usage)
183 {
184 if (pt->target == PIPE_BUFFER)
185 return false;
186
187 struct nv50_miptree *mt = nv50_miptree(pt);
188 unsigned stride;
189
190 if (!mt || !mt->base.bo)
191 return false;
192
193 stride = mt->level[0].pitch;
194
195 return nouveau_screen_bo_get_handle(pscreen,
196 mt->base.bo,
197 stride,
198 whandle);
199 }
200
201 static inline bool
nv50_miptree_init_ms_mode(struct nv50_miptree * mt)202 nv50_miptree_init_ms_mode(struct nv50_miptree *mt)
203 {
204 switch (mt->base.base.nr_samples) {
205 case 8:
206 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS8;
207 mt->ms_x = 2;
208 mt->ms_y = 1;
209 break;
210 case 4:
211 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS4;
212 mt->ms_x = 1;
213 mt->ms_y = 1;
214 break;
215 case 2:
216 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS2;
217 mt->ms_x = 1;
218 break;
219 case 1:
220 case 0:
221 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS1;
222 break;
223 default:
224 NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples);
225 return false;
226 }
227 return true;
228 }
229
230 bool
nv50_miptree_init_layout_linear(struct nv50_miptree * mt,unsigned pitch_align)231 nv50_miptree_init_layout_linear(struct nv50_miptree *mt, unsigned pitch_align)
232 {
233 struct pipe_resource *pt = &mt->base.base;
234 const unsigned blocksize = util_format_get_blocksize(pt->format);
235 unsigned h = pt->height0;
236
237 if (util_format_is_depth_or_stencil(pt->format))
238 return false;
239
240 if ((pt->last_level > 0) || (pt->depth0 > 1) || (pt->array_size > 1))
241 return false;
242 if (mt->ms_x | mt->ms_y)
243 return false;
244
245 mt->level[0].pitch = align(pt->width0 * blocksize, pitch_align);
246
247 /* Account for very generous prefetch (allocate size as if tiled). */
248 h = MAX2(h, 8);
249 h = util_next_power_of_two(h);
250
251 mt->total_size = mt->level[0].pitch * h;
252
253 return true;
254 }
255
256 static void
nv50_miptree_init_layout_video(struct nv50_miptree * mt)257 nv50_miptree_init_layout_video(struct nv50_miptree *mt)
258 {
259 const struct pipe_resource *pt = &mt->base.base;
260 const unsigned blocksize = util_format_get_blocksize(pt->format);
261
262 assert(pt->last_level == 0);
263 assert(mt->ms_x == 0 && mt->ms_y == 0);
264 assert(!util_format_is_compressed(pt->format));
265
266 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
267
268 mt->level[0].tile_mode = 0x20;
269 mt->level[0].pitch = align(pt->width0 * blocksize, 64);
270 mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
271
272 if (pt->array_size > 1) {
273 mt->layer_stride = align(mt->total_size, NV50_TILE_SIZE(0x20));
274 mt->total_size = mt->layer_stride * pt->array_size;
275 }
276 }
277
278 static void
nv50_miptree_init_layout_tiled(struct nv50_miptree * mt)279 nv50_miptree_init_layout_tiled(struct nv50_miptree *mt)
280 {
281 struct pipe_resource *pt = &mt->base.base;
282 unsigned w, h, d, l;
283 const unsigned blocksize = util_format_get_blocksize(pt->format);
284
285 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
286
287 w = pt->width0 << mt->ms_x;
288 h = pt->height0 << mt->ms_y;
289
290 /* For 3D textures, a mipmap is spanned by all the layers, for array
291 * textures and cube maps, each layer contains its own mipmaps.
292 */
293 d = mt->layout_3d ? pt->depth0 : 1;
294
295 for (l = 0; l <= pt->last_level; ++l) {
296 struct nv50_miptree_level *lvl = &mt->level[l];
297 unsigned tsx, tsy, tsz;
298 unsigned nbx = util_format_get_nblocksx(pt->format, w);
299 unsigned nby = util_format_get_nblocksy(pt->format, h);
300
301 lvl->offset = mt->total_size;
302
303 lvl->tile_mode = nv50_tex_choose_tile_dims(nbx, nby, d, mt->layout_3d);
304
305 tsx = NV50_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */
306 tsy = NV50_TILE_SIZE_Y(lvl->tile_mode);
307 tsz = NV50_TILE_SIZE_Z(lvl->tile_mode);
308
309 lvl->pitch = align(nbx * blocksize, tsx);
310
311 mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz);
312
313 w = u_minify(w, 1);
314 h = u_minify(h, 1);
315 d = u_minify(d, 1);
316 }
317
318 if (pt->array_size > 1) {
319 mt->layer_stride = align(mt->total_size,
320 NV50_TILE_SIZE(mt->level[0].tile_mode));
321 mt->total_size = mt->layer_stride * pt->array_size;
322 }
323 }
324
325 struct pipe_resource *
nv50_miptree_create(struct pipe_screen * pscreen,const struct pipe_resource * templ)326 nv50_miptree_create(struct pipe_screen *pscreen,
327 const struct pipe_resource *templ)
328 {
329 struct nouveau_device *dev = nouveau_screen(pscreen)->device;
330 struct nouveau_drm *drm = nouveau_screen(pscreen)->drm;
331 struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
332 struct pipe_resource *pt = &mt->base.base;
333 bool compressed = drm->version >= 0x01000101;
334 int ret;
335 union nouveau_bo_config bo_config;
336 uint32_t bo_flags;
337 unsigned pitch_align;
338
339 if (!mt)
340 return NULL;
341
342 *pt = *templ;
343 pipe_reference_init(&pt->reference, 1);
344 pt->screen = pscreen;
345
346 if (pt->bind & PIPE_BIND_LINEAR)
347 pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
348
349 bo_config.nv50.memtype = nv50_mt_choose_storage_type(mt, compressed);
350
351 if (!nv50_miptree_init_ms_mode(mt)) {
352 FREE(mt);
353 return NULL;
354 }
355
356 if (unlikely(pt->flags & NV50_RESOURCE_FLAG_VIDEO)) {
357 nv50_miptree_init_layout_video(mt);
358 if (pt->flags & NV50_RESOURCE_FLAG_NOALLOC) {
359 /* BO allocation done by client */
360 return pt;
361 }
362 } else
363 if (bo_config.nv50.memtype != 0) {
364 nv50_miptree_init_layout_tiled(mt);
365 } else {
366 if (pt->usage & PIPE_BIND_CURSOR)
367 pitch_align = 1;
368 else if (pt->usage & PIPE_BIND_SCANOUT)
369 pitch_align = 256;
370 else
371 pitch_align = 64;
372 if (!nv50_miptree_init_layout_linear(mt, pitch_align)) {
373 FREE(mt);
374 return NULL;
375 }
376 }
377 bo_config.nv50.tile_mode = mt->level[0].tile_mode;
378
379 if (!bo_config.nv50.memtype && (pt->bind & PIPE_BIND_SHARED))
380 mt->base.domain = NOUVEAU_BO_GART;
381 else
382 mt->base.domain = NV_VRAM_DOMAIN(nouveau_screen(pscreen));
383
384 bo_flags = mt->base.domain | NOUVEAU_BO_NOSNOOP;
385 if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET))
386 bo_flags |= NOUVEAU_BO_CONTIG;
387
388 ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config,
389 &mt->base.bo);
390 if (ret) {
391 FREE(mt);
392 return NULL;
393 }
394 mt->base.address = mt->base.bo->offset;
395
396 return pt;
397 }
398
399 struct pipe_resource *
nv50_miptree_from_handle(struct pipe_screen * pscreen,const struct pipe_resource * templ,struct winsys_handle * whandle)400 nv50_miptree_from_handle(struct pipe_screen *pscreen,
401 const struct pipe_resource *templ,
402 struct winsys_handle *whandle)
403 {
404 struct nv50_miptree *mt;
405 unsigned stride;
406
407 /* only supports 2D, non-mipmapped textures for the moment */
408 if ((templ->target != PIPE_TEXTURE_2D &&
409 templ->target != PIPE_TEXTURE_RECT) ||
410 templ->last_level != 0 ||
411 templ->depth0 != 1 ||
412 templ->array_size > 1)
413 return NULL;
414
415 mt = CALLOC_STRUCT(nv50_miptree);
416 if (!mt)
417 return NULL;
418
419 mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
420 if (mt->base.bo == NULL) {
421 FREE(mt);
422 return NULL;
423 }
424 mt->base.domain = mt->base.bo->flags & NOUVEAU_BO_APER;
425 mt->base.address = mt->base.bo->offset;
426
427 mt->base.base = *templ;
428 pipe_reference_init(&mt->base.base.reference, 1);
429 mt->base.base.screen = pscreen;
430 mt->level[0].pitch = stride;
431 mt->level[0].offset = 0;
432 mt->level[0].tile_mode = mt->base.bo->config.nv50.tile_mode;
433
434 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, 1);
435
436 /* no need to adjust bo reference count */
437 return &mt->base.base;
438 }
439
440
441 /* Offset of zslice @z from start of level @l. */
442 inline unsigned
nv50_mt_zslice_offset(const struct nv50_miptree * mt,unsigned l,unsigned z)443 nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z)
444 {
445 const struct pipe_resource *pt = &mt->base.base;
446
447 unsigned tds = NV50_TILE_SHIFT_Z(mt->level[l].tile_mode);
448 unsigned ths = NV50_TILE_SHIFT_Y(mt->level[l].tile_mode);
449
450 unsigned nby = util_format_get_nblocksy(pt->format,
451 u_minify(pt->height0, l));
452
453 /* to next 2D tile slice within a 3D tile */
454 unsigned stride_2d = NV50_TILE_SIZE_2D(mt->level[l].tile_mode);
455
456 /* to slice in the next (in z direction) 3D tile */
457 unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds;
458
459 return (z & ((1 << tds) - 1)) * stride_2d + (z >> tds) * stride_3d;
460 }
461
462 /* Surface functions.
463 */
464
465 struct nv50_surface *
nv50_surface_from_miptree(struct nv50_miptree * mt,const struct pipe_surface * templ)466 nv50_surface_from_miptree(struct nv50_miptree *mt,
467 const struct pipe_surface *templ)
468 {
469 struct pipe_surface *ps;
470 struct nv50_surface *ns = CALLOC_STRUCT(nv50_surface);
471 if (!ns)
472 return NULL;
473 ps = &ns->base;
474
475 pipe_reference_init(&ps->reference, 1);
476 pipe_resource_reference(&ps->texture, &mt->base.base);
477
478 ps->format = templ->format;
479 ps->writable = templ->writable;
480 ps->u.tex.level = templ->u.tex.level;
481 ps->u.tex.first_layer = templ->u.tex.first_layer;
482 ps->u.tex.last_layer = templ->u.tex.last_layer;
483
484 ns->width = u_minify(mt->base.base.width0, ps->u.tex.level);
485 ns->height = u_minify(mt->base.base.height0, ps->u.tex.level);
486 ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
487 ns->offset = mt->level[templ->u.tex.level].offset;
488
489 /* comment says there are going to be removed, but they're used by the st */
490 ps->width = ns->width;
491 ps->height = ns->height;
492
493 ns->width <<= mt->ms_x;
494 ns->height <<= mt->ms_y;
495
496 return ns;
497 }
498
499 struct pipe_surface *
nv50_miptree_surface_new(struct pipe_context * pipe,struct pipe_resource * pt,const struct pipe_surface * templ)500 nv50_miptree_surface_new(struct pipe_context *pipe,
501 struct pipe_resource *pt,
502 const struct pipe_surface *templ)
503 {
504 struct nv50_miptree *mt = nv50_miptree(pt);
505 struct nv50_surface *ns = nv50_surface_from_miptree(mt, templ);
506 if (!ns)
507 return NULL;
508 ns->base.context = pipe;
509
510 if (ns->base.u.tex.first_layer) {
511 const unsigned l = ns->base.u.tex.level;
512 const unsigned z = ns->base.u.tex.first_layer;
513
514 if (mt->layout_3d) {
515 ns->offset += nv50_mt_zslice_offset(mt, l, z);
516
517 /* TODO: switch to depth 1 tiles; but actually this shouldn't happen */
518 if (ns->depth > 1 &&
519 (z & (NV50_TILE_SIZE_Z(mt->level[l].tile_mode) - 1)))
520 NOUVEAU_ERR("Creating unsupported 3D surface !\n");
521 } else {
522 ns->offset += mt->layer_stride * z;
523 }
524 }
525
526 return &ns->base;
527 }
528