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 if (mt->base.fence && mt->base.fence->state < NOUVEAU_FENCE_STATE_FLUSHED)
167 nouveau_fence_work(mt->base.fence, nouveau_fence_unref_bo, mt->base.bo);
168 else
169 nouveau_bo_ref(NULL, &mt->base.bo);
170
171 nouveau_fence_ref(NULL, &mt->base.fence);
172 nouveau_fence_ref(NULL, &mt->base.fence_wr);
173
174 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, -1);
175 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_bytes,
176 -(uint64_t)mt->total_size);
177
178 FREE(mt);
179 }
180
181 bool
nv50_miptree_get_handle(struct pipe_screen * pscreen,struct pipe_context * context,struct pipe_resource * pt,struct winsys_handle * whandle,unsigned usage)182 nv50_miptree_get_handle(struct pipe_screen *pscreen,
183 struct pipe_context *context,
184 struct pipe_resource *pt,
185 struct winsys_handle *whandle,
186 unsigned usage)
187 {
188 if (pt->target == PIPE_BUFFER)
189 return false;
190
191 struct nv50_miptree *mt = nv50_miptree(pt);
192 unsigned stride;
193
194 if (!mt || !mt->base.bo)
195 return false;
196
197 stride = mt->level[0].pitch;
198
199 return nouveau_screen_bo_get_handle(pscreen,
200 mt->base.bo,
201 stride,
202 whandle);
203 }
204
205 static inline bool
nv50_miptree_init_ms_mode(struct nv50_miptree * mt)206 nv50_miptree_init_ms_mode(struct nv50_miptree *mt)
207 {
208 switch (mt->base.base.nr_samples) {
209 case 8:
210 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS8;
211 mt->ms_x = 2;
212 mt->ms_y = 1;
213 break;
214 case 4:
215 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS4;
216 mt->ms_x = 1;
217 mt->ms_y = 1;
218 break;
219 case 2:
220 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS2;
221 mt->ms_x = 1;
222 break;
223 case 1:
224 case 0:
225 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS1;
226 break;
227 default:
228 NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples);
229 return false;
230 }
231 return true;
232 }
233
234 bool
nv50_miptree_init_layout_linear(struct nv50_miptree * mt,unsigned pitch_align)235 nv50_miptree_init_layout_linear(struct nv50_miptree *mt, unsigned pitch_align)
236 {
237 struct pipe_resource *pt = &mt->base.base;
238 const unsigned blocksize = util_format_get_blocksize(pt->format);
239 unsigned h = pt->height0;
240
241 if (util_format_is_depth_or_stencil(pt->format))
242 return false;
243
244 if ((pt->last_level > 0) || (pt->depth0 > 1) || (pt->array_size > 1))
245 return false;
246 if (mt->ms_x | mt->ms_y)
247 return false;
248
249 mt->level[0].pitch = align(pt->width0 * blocksize, pitch_align);
250
251 /* Account for very generous prefetch (allocate size as if tiled). */
252 h = MAX2(h, 8);
253 h = util_next_power_of_two(h);
254
255 mt->total_size = mt->level[0].pitch * h;
256
257 return true;
258 }
259
260 static void
nv50_miptree_init_layout_video(struct nv50_miptree * mt)261 nv50_miptree_init_layout_video(struct nv50_miptree *mt)
262 {
263 const struct pipe_resource *pt = &mt->base.base;
264 const unsigned blocksize = util_format_get_blocksize(pt->format);
265
266 assert(pt->last_level == 0);
267 assert(mt->ms_x == 0 && mt->ms_y == 0);
268 assert(!util_format_is_compressed(pt->format));
269
270 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
271
272 mt->level[0].tile_mode = 0x20;
273 mt->level[0].pitch = align(pt->width0 * blocksize, 64);
274 mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
275
276 if (pt->array_size > 1) {
277 mt->layer_stride = align(mt->total_size, NV50_TILE_SIZE(0x20));
278 mt->total_size = mt->layer_stride * pt->array_size;
279 }
280 }
281
282 static void
nv50_miptree_init_layout_tiled(struct nv50_miptree * mt)283 nv50_miptree_init_layout_tiled(struct nv50_miptree *mt)
284 {
285 struct pipe_resource *pt = &mt->base.base;
286 unsigned w, h, d, l;
287 const unsigned blocksize = util_format_get_blocksize(pt->format);
288
289 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
290
291 w = pt->width0 << mt->ms_x;
292 h = pt->height0 << mt->ms_y;
293
294 /* For 3D textures, a mipmap is spanned by all the layers, for array
295 * textures and cube maps, each layer contains its own mipmaps.
296 */
297 d = mt->layout_3d ? pt->depth0 : 1;
298
299 for (l = 0; l <= pt->last_level; ++l) {
300 struct nv50_miptree_level *lvl = &mt->level[l];
301 unsigned tsx, tsy, tsz;
302 unsigned nbx = util_format_get_nblocksx(pt->format, w);
303 unsigned nby = util_format_get_nblocksy(pt->format, h);
304
305 lvl->offset = mt->total_size;
306
307 lvl->tile_mode = nv50_tex_choose_tile_dims(nbx, nby, d, mt->layout_3d);
308
309 tsx = NV50_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */
310 tsy = NV50_TILE_SIZE_Y(lvl->tile_mode);
311 tsz = NV50_TILE_SIZE_Z(lvl->tile_mode);
312
313 lvl->pitch = align(nbx * blocksize, tsx);
314
315 mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz);
316
317 w = u_minify(w, 1);
318 h = u_minify(h, 1);
319 d = u_minify(d, 1);
320 }
321
322 if (pt->array_size > 1) {
323 mt->layer_stride = align(mt->total_size,
324 NV50_TILE_SIZE(mt->level[0].tile_mode));
325 mt->total_size = mt->layer_stride * pt->array_size;
326 }
327 }
328
329 struct pipe_resource *
nv50_miptree_create(struct pipe_screen * pscreen,const struct pipe_resource * templ)330 nv50_miptree_create(struct pipe_screen *pscreen,
331 const struct pipe_resource *templ)
332 {
333 struct nouveau_device *dev = nouveau_screen(pscreen)->device;
334 struct nouveau_drm *drm = nouveau_screen(pscreen)->drm;
335 struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
336 struct pipe_resource *pt = &mt->base.base;
337 bool compressed = drm->version >= 0x01000101;
338 int ret;
339 union nouveau_bo_config bo_config;
340 uint32_t bo_flags;
341 unsigned pitch_align;
342
343 if (!mt)
344 return NULL;
345
346 *pt = *templ;
347 pipe_reference_init(&pt->reference, 1);
348 pt->screen = pscreen;
349
350 if (pt->bind & PIPE_BIND_LINEAR)
351 pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
352
353 bo_config.nv50.memtype = nv50_mt_choose_storage_type(mt, compressed);
354
355 if (!nv50_miptree_init_ms_mode(mt)) {
356 FREE(mt);
357 return NULL;
358 }
359
360 if (unlikely(pt->flags & NV50_RESOURCE_FLAG_VIDEO)) {
361 nv50_miptree_init_layout_video(mt);
362 if (pt->flags & NV50_RESOURCE_FLAG_NOALLOC) {
363 /* BO allocation done by client */
364 return pt;
365 }
366 } else
367 if (bo_config.nv50.memtype != 0) {
368 nv50_miptree_init_layout_tiled(mt);
369 } else {
370 if (pt->usage & PIPE_BIND_CURSOR)
371 pitch_align = 1;
372 else if (pt->usage & PIPE_BIND_SCANOUT)
373 pitch_align = 256;
374 else
375 pitch_align = 64;
376 if (!nv50_miptree_init_layout_linear(mt, pitch_align)) {
377 FREE(mt);
378 return NULL;
379 }
380 }
381 bo_config.nv50.tile_mode = mt->level[0].tile_mode;
382
383 if (!bo_config.nv50.memtype && (pt->bind & PIPE_BIND_SHARED))
384 mt->base.domain = NOUVEAU_BO_GART;
385 else
386 mt->base.domain = NV_VRAM_DOMAIN(nouveau_screen(pscreen));
387
388 bo_flags = mt->base.domain | NOUVEAU_BO_NOSNOOP;
389 if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET))
390 bo_flags |= NOUVEAU_BO_CONTIG;
391
392 ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config,
393 &mt->base.bo);
394 if (ret) {
395 FREE(mt);
396 return NULL;
397 }
398 mt->base.address = mt->base.bo->offset;
399
400 return pt;
401 }
402
403 struct pipe_resource *
nv50_miptree_from_handle(struct pipe_screen * pscreen,const struct pipe_resource * templ,struct winsys_handle * whandle)404 nv50_miptree_from_handle(struct pipe_screen *pscreen,
405 const struct pipe_resource *templ,
406 struct winsys_handle *whandle)
407 {
408 struct nv50_miptree *mt;
409 unsigned stride;
410
411 /* only supports 2D, non-mipmapped textures for the moment */
412 if ((templ->target != PIPE_TEXTURE_2D &&
413 templ->target != PIPE_TEXTURE_RECT) ||
414 templ->last_level != 0 ||
415 templ->depth0 != 1 ||
416 templ->array_size > 1)
417 return NULL;
418
419 mt = CALLOC_STRUCT(nv50_miptree);
420 if (!mt)
421 return NULL;
422
423 mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
424 if (mt->base.bo == NULL) {
425 FREE(mt);
426 return NULL;
427 }
428 mt->base.domain = mt->base.bo->flags & NOUVEAU_BO_APER;
429 mt->base.address = mt->base.bo->offset;
430
431 mt->base.base = *templ;
432 pipe_reference_init(&mt->base.base.reference, 1);
433 mt->base.base.screen = pscreen;
434 mt->level[0].pitch = stride;
435 mt->level[0].offset = 0;
436 mt->level[0].tile_mode = mt->base.bo->config.nv50.tile_mode;
437
438 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, 1);
439
440 /* no need to adjust bo reference count */
441 return &mt->base.base;
442 }
443
444
445 /* Offset of zslice @z from start of level @l. */
446 inline unsigned
nv50_mt_zslice_offset(const struct nv50_miptree * mt,unsigned l,unsigned z)447 nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z)
448 {
449 const struct pipe_resource *pt = &mt->base.base;
450
451 unsigned tds = NV50_TILE_SHIFT_Z(mt->level[l].tile_mode);
452 unsigned ths = NV50_TILE_SHIFT_Y(mt->level[l].tile_mode);
453
454 unsigned nby = util_format_get_nblocksy(pt->format,
455 u_minify(pt->height0, l));
456
457 /* to next 2D tile slice within a 3D tile */
458 unsigned stride_2d = NV50_TILE_SIZE_2D(mt->level[l].tile_mode);
459
460 /* to slice in the next (in z direction) 3D tile */
461 unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds;
462
463 return (z & ((1 << tds) - 1)) * stride_2d + (z >> tds) * stride_3d;
464 }
465
466 /* Surface functions.
467 */
468
469 struct nv50_surface *
nv50_surface_from_miptree(struct nv50_miptree * mt,const struct pipe_surface * templ)470 nv50_surface_from_miptree(struct nv50_miptree *mt,
471 const struct pipe_surface *templ)
472 {
473 struct pipe_surface *ps;
474 struct nv50_surface *ns = CALLOC_STRUCT(nv50_surface);
475 if (!ns)
476 return NULL;
477 ps = &ns->base;
478
479 pipe_reference_init(&ps->reference, 1);
480 pipe_resource_reference(&ps->texture, &mt->base.base);
481
482 ps->format = templ->format;
483 ps->writable = templ->writable;
484 ps->u.tex.level = templ->u.tex.level;
485 ps->u.tex.first_layer = templ->u.tex.first_layer;
486 ps->u.tex.last_layer = templ->u.tex.last_layer;
487
488 ns->width = u_minify(mt->base.base.width0, ps->u.tex.level);
489 ns->height = u_minify(mt->base.base.height0, ps->u.tex.level);
490 ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
491 ns->offset = mt->level[templ->u.tex.level].offset;
492
493 /* comment says there are going to be removed, but they're used by the st */
494 ps->width = ns->width;
495 ps->height = ns->height;
496
497 ns->width <<= mt->ms_x;
498 ns->height <<= mt->ms_y;
499
500 return ns;
501 }
502
503 struct pipe_surface *
nv50_miptree_surface_new(struct pipe_context * pipe,struct pipe_resource * pt,const struct pipe_surface * templ)504 nv50_miptree_surface_new(struct pipe_context *pipe,
505 struct pipe_resource *pt,
506 const struct pipe_surface *templ)
507 {
508 struct nv50_miptree *mt = nv50_miptree(pt);
509 struct nv50_surface *ns = nv50_surface_from_miptree(mt, templ);
510 if (!ns)
511 return NULL;
512 ns->base.context = pipe;
513
514 if (ns->base.u.tex.first_layer) {
515 const unsigned l = ns->base.u.tex.level;
516 const unsigned z = ns->base.u.tex.first_layer;
517
518 if (mt->layout_3d) {
519 ns->offset += nv50_mt_zslice_offset(mt, l, z);
520
521 /* TODO: switch to depth 1 tiles; but actually this shouldn't happen */
522 if (ns->depth > 1 &&
523 (z & (NV50_TILE_SIZE_Z(mt->level[l].tile_mode) - 1)))
524 NOUVEAU_ERR("Creating unsupported 3D surface !\n");
525 } else {
526 ns->offset += mt->layer_stride * z;
527 }
528 }
529
530 return &ns->base;
531 }
532