1 /*
2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "util/u_blit.h"
26 #include "util/u_memory.h"
27 #include "util/u_format.h"
28 #include "util/u_inlines.h"
29 #include "util/u_surface.h"
30 #include "util/u_upload_mgr.h"
31
32 #include "vc4_screen.h"
33 #include "vc4_context.h"
34 #include "vc4_resource.h"
35 #include "vc4_tiling.h"
36
37 static bool miptree_debug = false;
38
39 static bool
vc4_resource_bo_alloc(struct vc4_resource * rsc)40 vc4_resource_bo_alloc(struct vc4_resource *rsc)
41 {
42 struct pipe_resource *prsc = &rsc->base.b;
43 struct pipe_screen *pscreen = prsc->screen;
44 struct vc4_bo *bo;
45
46 if (miptree_debug) {
47 fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n",
48 rsc,
49 rsc->slices[0].size,
50 rsc->slices[0].offset,
51 rsc->slices[0].offset +
52 rsc->slices[0].size +
53 rsc->cube_map_stride * (prsc->array_size - 1));
54 }
55
56 bo = vc4_bo_alloc(vc4_screen(pscreen),
57 rsc->slices[0].offset +
58 rsc->slices[0].size +
59 rsc->cube_map_stride * (prsc->array_size - 1),
60 "resource");
61 if (bo) {
62 vc4_bo_unreference(&rsc->bo);
63 rsc->bo = bo;
64 return true;
65 } else {
66 return false;
67 }
68 }
69
70 static void
vc4_resource_transfer_unmap(struct pipe_context * pctx,struct pipe_transfer * ptrans)71 vc4_resource_transfer_unmap(struct pipe_context *pctx,
72 struct pipe_transfer *ptrans)
73 {
74 struct vc4_context *vc4 = vc4_context(pctx);
75 struct vc4_transfer *trans = vc4_transfer(ptrans);
76
77 if (trans->map) {
78 struct vc4_resource *rsc;
79 struct vc4_resource_slice *slice;
80 if (trans->ss_resource) {
81 rsc = vc4_resource(trans->ss_resource);
82 slice = &rsc->slices[0];
83 } else {
84 rsc = vc4_resource(ptrans->resource);
85 slice = &rsc->slices[ptrans->level];
86 }
87
88 if (ptrans->usage & PIPE_TRANSFER_WRITE) {
89 vc4_store_tiled_image(rsc->bo->map + slice->offset +
90 ptrans->box.z * rsc->cube_map_stride,
91 slice->stride,
92 trans->map, ptrans->stride,
93 slice->tiling, rsc->cpp,
94 &ptrans->box);
95 }
96 free(trans->map);
97 }
98
99 if (trans->ss_resource && (ptrans->usage & PIPE_TRANSFER_WRITE)) {
100 struct pipe_blit_info blit;
101 memset(&blit, 0, sizeof(blit));
102
103 blit.src.resource = trans->ss_resource;
104 blit.src.format = trans->ss_resource->format;
105 blit.src.box.width = trans->ss_box.width;
106 blit.src.box.height = trans->ss_box.height;
107 blit.src.box.depth = 1;
108
109 blit.dst.resource = ptrans->resource;
110 blit.dst.format = ptrans->resource->format;
111 blit.dst.level = ptrans->level;
112 blit.dst.box = trans->ss_box;
113
114 blit.mask = util_format_get_mask(ptrans->resource->format);
115 blit.filter = PIPE_TEX_FILTER_NEAREST;
116
117 pctx->blit(pctx, &blit);
118
119 pipe_resource_reference(&trans->ss_resource, NULL);
120 }
121
122 pipe_resource_reference(&ptrans->resource, NULL);
123 slab_free(&vc4->transfer_pool, ptrans);
124 }
125
126 static struct pipe_resource *
vc4_get_temp_resource(struct pipe_context * pctx,struct pipe_resource * prsc,const struct pipe_box * box)127 vc4_get_temp_resource(struct pipe_context *pctx,
128 struct pipe_resource *prsc,
129 const struct pipe_box *box)
130 {
131 struct pipe_resource temp_setup;
132
133 memset(&temp_setup, 0, sizeof(temp_setup));
134 temp_setup.target = prsc->target;
135 temp_setup.format = prsc->format;
136 temp_setup.width0 = box->width;
137 temp_setup.height0 = box->height;
138 temp_setup.depth0 = 1;
139 temp_setup.array_size = 1;
140
141 return pctx->screen->resource_create(pctx->screen, &temp_setup);
142 }
143
144 static void *
vc4_resource_transfer_map(struct pipe_context * pctx,struct pipe_resource * prsc,unsigned level,unsigned usage,const struct pipe_box * box,struct pipe_transfer ** pptrans)145 vc4_resource_transfer_map(struct pipe_context *pctx,
146 struct pipe_resource *prsc,
147 unsigned level, unsigned usage,
148 const struct pipe_box *box,
149 struct pipe_transfer **pptrans)
150 {
151 struct vc4_context *vc4 = vc4_context(pctx);
152 struct vc4_resource *rsc = vc4_resource(prsc);
153 struct vc4_transfer *trans;
154 struct pipe_transfer *ptrans;
155 enum pipe_format format = prsc->format;
156 char *buf;
157
158 /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is
159 * being mapped.
160 */
161 if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
162 !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
163 !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT) &&
164 prsc->last_level == 0 &&
165 prsc->width0 == box->width &&
166 prsc->height0 == box->height &&
167 prsc->depth0 == box->depth &&
168 prsc->array_size == 1) {
169 usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
170 }
171
172 if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
173 if (vc4_resource_bo_alloc(rsc)) {
174 /* If it might be bound as one of our vertex buffers,
175 * make sure we re-emit vertex buffer state.
176 */
177 if (prsc->bind & PIPE_BIND_VERTEX_BUFFER)
178 vc4->dirty |= VC4_DIRTY_VTXBUF;
179 } else {
180 /* If we failed to reallocate, flush users so that we
181 * don't violate any syncing requirements.
182 */
183 vc4_flush_jobs_reading_resource(vc4, prsc);
184 }
185 } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
186 /* If we're writing and the buffer is being used by the CL, we
187 * have to flush the CL first. If we're only reading, we need
188 * to flush if the CL has written our buffer.
189 */
190 if (usage & PIPE_TRANSFER_WRITE)
191 vc4_flush_jobs_reading_resource(vc4, prsc);
192 else
193 vc4_flush_jobs_writing_resource(vc4, prsc);
194 }
195
196 if (usage & PIPE_TRANSFER_WRITE) {
197 rsc->writes++;
198 rsc->initialized_buffers = ~0;
199 }
200
201 trans = slab_alloc(&vc4->transfer_pool);
202 if (!trans)
203 return NULL;
204
205 /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */
206
207 /* slab_alloc_st() doesn't zero: */
208 memset(trans, 0, sizeof(*trans));
209 ptrans = &trans->base;
210
211 pipe_resource_reference(&ptrans->resource, prsc);
212 ptrans->level = level;
213 ptrans->usage = usage;
214 ptrans->box = *box;
215
216 /* If the resource is multisampled, we need to resolve to single
217 * sample. This seems like it should be handled at a higher layer.
218 */
219 if (prsc->nr_samples > 1) {
220 trans->ss_resource = vc4_get_temp_resource(pctx, prsc, box);
221 if (!trans->ss_resource)
222 goto fail;
223 assert(!trans->ss_resource->nr_samples);
224
225 /* The ptrans->box gets modified for tile alignment, so save
226 * the original box for unmap time.
227 */
228 trans->ss_box = *box;
229
230 if (usage & PIPE_TRANSFER_READ) {
231 struct pipe_blit_info blit;
232 memset(&blit, 0, sizeof(blit));
233
234 blit.src.resource = ptrans->resource;
235 blit.src.format = ptrans->resource->format;
236 blit.src.level = ptrans->level;
237 blit.src.box = trans->ss_box;
238
239 blit.dst.resource = trans->ss_resource;
240 blit.dst.format = trans->ss_resource->format;
241 blit.dst.box.width = trans->ss_box.width;
242 blit.dst.box.height = trans->ss_box.height;
243 blit.dst.box.depth = 1;
244
245 blit.mask = util_format_get_mask(prsc->format);
246 blit.filter = PIPE_TEX_FILTER_NEAREST;
247
248 pctx->blit(pctx, &blit);
249 vc4_flush_jobs_writing_resource(vc4, blit.dst.resource);
250 }
251
252 /* The rest of the mapping process should use our temporary. */
253 prsc = trans->ss_resource;
254 rsc = vc4_resource(prsc);
255 ptrans->box.x = 0;
256 ptrans->box.y = 0;
257 ptrans->box.z = 0;
258 }
259
260 /* Note that the current kernel implementation is synchronous, so no
261 * need to do syncing stuff here yet.
262 */
263
264 if (usage & PIPE_TRANSFER_UNSYNCHRONIZED)
265 buf = vc4_bo_map_unsynchronized(rsc->bo);
266 else
267 buf = vc4_bo_map(rsc->bo);
268 if (!buf) {
269 fprintf(stderr, "Failed to map bo\n");
270 goto fail;
271 }
272
273 *pptrans = ptrans;
274
275 struct vc4_resource_slice *slice = &rsc->slices[level];
276 if (rsc->tiled) {
277 uint32_t utile_w = vc4_utile_width(rsc->cpp);
278 uint32_t utile_h = vc4_utile_height(rsc->cpp);
279
280 /* No direct mappings of tiled, since we need to manually
281 * tile/untile.
282 */
283 if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
284 return NULL;
285
286 if (format == PIPE_FORMAT_ETC1_RGB8) {
287 /* ETC1 is arranged as 64-bit blocks, where each block
288 * is 4x4 pixels. Texture tiling operates on the
289 * 64-bit block the way it would an uncompressed
290 * pixels.
291 */
292 assert(!(ptrans->box.x & 3));
293 assert(!(ptrans->box.y & 3));
294 ptrans->box.x >>= 2;
295 ptrans->box.y >>= 2;
296 ptrans->box.width = (ptrans->box.width + 3) >> 2;
297 ptrans->box.height = (ptrans->box.height + 3) >> 2;
298 }
299
300 /* We need to align the box to utile boundaries, since that's
301 * what load/store operates on. This may cause us to need to
302 * read out the original contents in that border area. Right
303 * now we just read out the entire contents, including the
304 * middle area that will just get overwritten.
305 */
306 uint32_t box_start_x = ptrans->box.x & (utile_w - 1);
307 uint32_t box_start_y = ptrans->box.y & (utile_h - 1);
308 bool needs_load = (usage & PIPE_TRANSFER_READ) != 0;
309
310 if (box_start_x) {
311 ptrans->box.width += box_start_x;
312 ptrans->box.x -= box_start_x;
313 needs_load = true;
314 }
315 if (box_start_y) {
316 ptrans->box.height += box_start_y;
317 ptrans->box.y -= box_start_y;
318 needs_load = true;
319 }
320 if (ptrans->box.width & (utile_w - 1)) {
321 /* We only need to force a load if our border region
322 * we're extending into is actually part of the
323 * texture.
324 */
325 uint32_t slice_width = u_minify(prsc->width0, level);
326 if (ptrans->box.x + ptrans->box.width != slice_width)
327 needs_load = true;
328 ptrans->box.width = align(ptrans->box.width, utile_w);
329 }
330 if (ptrans->box.height & (utile_h - 1)) {
331 uint32_t slice_height = u_minify(prsc->height0, level);
332 if (ptrans->box.y + ptrans->box.height != slice_height)
333 needs_load = true;
334 ptrans->box.height = align(ptrans->box.height, utile_h);
335 }
336
337 ptrans->stride = ptrans->box.width * rsc->cpp;
338 ptrans->layer_stride = ptrans->stride * ptrans->box.height;
339
340 trans->map = malloc(ptrans->layer_stride * ptrans->box.depth);
341
342 if (needs_load) {
343 vc4_load_tiled_image(trans->map, ptrans->stride,
344 buf + slice->offset +
345 ptrans->box.z * rsc->cube_map_stride,
346 slice->stride,
347 slice->tiling, rsc->cpp,
348 &ptrans->box);
349 }
350 return (trans->map +
351 box_start_x * rsc->cpp +
352 box_start_y * ptrans->stride);
353 } else {
354 ptrans->stride = slice->stride;
355 ptrans->layer_stride = ptrans->stride;
356
357 return buf + slice->offset +
358 ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride +
359 ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp +
360 ptrans->box.z * rsc->cube_map_stride;
361 }
362
363
364 fail:
365 vc4_resource_transfer_unmap(pctx, ptrans);
366 return NULL;
367 }
368
369 static void
vc4_resource_destroy(struct pipe_screen * pscreen,struct pipe_resource * prsc)370 vc4_resource_destroy(struct pipe_screen *pscreen,
371 struct pipe_resource *prsc)
372 {
373 struct vc4_resource *rsc = vc4_resource(prsc);
374 pipe_resource_reference(&rsc->shadow_parent, NULL);
375 vc4_bo_unreference(&rsc->bo);
376 free(rsc);
377 }
378
379 static boolean
vc4_resource_get_handle(struct pipe_screen * pscreen,struct pipe_resource * prsc,struct winsys_handle * handle)380 vc4_resource_get_handle(struct pipe_screen *pscreen,
381 struct pipe_resource *prsc,
382 struct winsys_handle *handle)
383 {
384 struct vc4_resource *rsc = vc4_resource(prsc);
385
386 return vc4_screen_bo_get_handle(pscreen, rsc->bo, rsc->slices[0].stride,
387 handle);
388 }
389
390 static const struct u_resource_vtbl vc4_resource_vtbl = {
391 .resource_get_handle = vc4_resource_get_handle,
392 .resource_destroy = vc4_resource_destroy,
393 .transfer_map = vc4_resource_transfer_map,
394 .transfer_flush_region = u_default_transfer_flush_region,
395 .transfer_unmap = vc4_resource_transfer_unmap,
396 };
397
398 static void
vc4_setup_slices(struct vc4_resource * rsc)399 vc4_setup_slices(struct vc4_resource *rsc)
400 {
401 struct pipe_resource *prsc = &rsc->base.b;
402 uint32_t width = prsc->width0;
403 uint32_t height = prsc->height0;
404 if (prsc->format == PIPE_FORMAT_ETC1_RGB8) {
405 width = (width + 3) >> 2;
406 height = (height + 3) >> 2;
407 }
408
409 uint32_t pot_width = util_next_power_of_two(width);
410 uint32_t pot_height = util_next_power_of_two(height);
411 uint32_t offset = 0;
412 uint32_t utile_w = vc4_utile_width(rsc->cpp);
413 uint32_t utile_h = vc4_utile_height(rsc->cpp);
414
415 for (int i = prsc->last_level; i >= 0; i--) {
416 struct vc4_resource_slice *slice = &rsc->slices[i];
417
418 uint32_t level_width, level_height;
419 if (i == 0) {
420 level_width = width;
421 level_height = height;
422 } else {
423 level_width = u_minify(pot_width, i);
424 level_height = u_minify(pot_height, i);
425 }
426
427 if (!rsc->tiled) {
428 slice->tiling = VC4_TILING_FORMAT_LINEAR;
429 if (prsc->nr_samples > 1) {
430 /* MSAA (4x) surfaces are stored as raw tile buffer contents. */
431 level_width = align(level_width, 32);
432 level_height = align(level_height, 32);
433 } else {
434 level_width = align(level_width, utile_w);
435 }
436 } else {
437 if (vc4_size_is_lt(level_width, level_height,
438 rsc->cpp)) {
439 slice->tiling = VC4_TILING_FORMAT_LT;
440 level_width = align(level_width, utile_w);
441 level_height = align(level_height, utile_h);
442 } else {
443 slice->tiling = VC4_TILING_FORMAT_T;
444 level_width = align(level_width,
445 4 * 2 * utile_w);
446 level_height = align(level_height,
447 4 * 2 * utile_h);
448 }
449 }
450
451 slice->offset = offset;
452 slice->stride = (level_width * rsc->cpp *
453 MAX2(prsc->nr_samples, 1));
454 slice->size = level_height * slice->stride;
455
456 offset += slice->size;
457
458 if (miptree_debug) {
459 static const char tiling_chars[] = {
460 [VC4_TILING_FORMAT_LINEAR] = 'R',
461 [VC4_TILING_FORMAT_LT] = 'L',
462 [VC4_TILING_FORMAT_T] = 'T'
463 };
464 fprintf(stderr,
465 "rsc setup %p (format %s: vc4 %d), %dx%d: "
466 "level %d (%c) -> %dx%d, stride %d@0x%08x\n",
467 rsc,
468 util_format_short_name(prsc->format),
469 rsc->vc4_format,
470 prsc->width0, prsc->height0,
471 i, tiling_chars[slice->tiling],
472 level_width, level_height,
473 slice->stride, slice->offset);
474 }
475 }
476
477 /* The texture base pointer that has to point to level 0 doesn't have
478 * intra-page bits, so we have to align it, and thus shift up all the
479 * smaller slices.
480 */
481 uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) -
482 rsc->slices[0].offset);
483 if (page_align_offset) {
484 for (int i = 0; i <= prsc->last_level; i++)
485 rsc->slices[i].offset += page_align_offset;
486 }
487
488 /* Cube map faces appear as whole miptrees at a page-aligned offset
489 * from the first face's miptree.
490 */
491 if (prsc->target == PIPE_TEXTURE_CUBE) {
492 rsc->cube_map_stride = align(rsc->slices[0].offset +
493 rsc->slices[0].size, 4096);
494 }
495 }
496
497 static struct vc4_resource *
vc4_resource_setup(struct pipe_screen * pscreen,const struct pipe_resource * tmpl)498 vc4_resource_setup(struct pipe_screen *pscreen,
499 const struct pipe_resource *tmpl)
500 {
501 struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource);
502 if (!rsc)
503 return NULL;
504 struct pipe_resource *prsc = &rsc->base.b;
505
506 *prsc = *tmpl;
507
508 pipe_reference_init(&prsc->reference, 1);
509 prsc->screen = pscreen;
510
511 rsc->base.vtbl = &vc4_resource_vtbl;
512 if (prsc->nr_samples <= 1)
513 rsc->cpp = util_format_get_blocksize(tmpl->format);
514 else
515 rsc->cpp = sizeof(uint32_t);
516
517 assert(rsc->cpp);
518
519 return rsc;
520 }
521
522 static enum vc4_texture_data_type
get_resource_texture_format(struct pipe_resource * prsc)523 get_resource_texture_format(struct pipe_resource *prsc)
524 {
525 struct vc4_resource *rsc = vc4_resource(prsc);
526 uint8_t format = vc4_get_tex_format(prsc->format);
527
528 if (!rsc->tiled) {
529 if (prsc->nr_samples > 1) {
530 return ~0;
531 } else {
532 assert(format == VC4_TEXTURE_TYPE_RGBA8888);
533 return VC4_TEXTURE_TYPE_RGBA32R;
534 }
535 }
536
537 return format;
538 }
539
540 struct pipe_resource *
vc4_resource_create(struct pipe_screen * pscreen,const struct pipe_resource * tmpl)541 vc4_resource_create(struct pipe_screen *pscreen,
542 const struct pipe_resource *tmpl)
543 {
544 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
545 struct pipe_resource *prsc = &rsc->base.b;
546
547 /* We have to make shared be untiled, since we don't have any way to
548 * communicate metadata about tiling currently.
549 */
550 if (tmpl->target == PIPE_BUFFER ||
551 tmpl->nr_samples > 1 ||
552 (tmpl->bind & (PIPE_BIND_SCANOUT |
553 PIPE_BIND_LINEAR |
554 PIPE_BIND_SHARED |
555 PIPE_BIND_CURSOR))) {
556 rsc->tiled = false;
557 } else {
558 rsc->tiled = true;
559 }
560
561 if (tmpl->target != PIPE_BUFFER)
562 rsc->vc4_format = get_resource_texture_format(prsc);
563
564 vc4_setup_slices(rsc);
565 if (!vc4_resource_bo_alloc(rsc))
566 goto fail;
567
568 return prsc;
569 fail:
570 vc4_resource_destroy(pscreen, prsc);
571 return NULL;
572 }
573
574 static struct pipe_resource *
vc4_resource_from_handle(struct pipe_screen * pscreen,const struct pipe_resource * tmpl,struct winsys_handle * handle,unsigned usage)575 vc4_resource_from_handle(struct pipe_screen *pscreen,
576 const struct pipe_resource *tmpl,
577 struct winsys_handle *handle,
578 unsigned usage)
579 {
580 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
581 struct pipe_resource *prsc = &rsc->base.b;
582 struct vc4_resource_slice *slice = &rsc->slices[0];
583 uint32_t expected_stride =
584 align(prsc->width0, vc4_utile_width(rsc->cpp)) * rsc->cpp;
585
586 if (!rsc)
587 return NULL;
588
589 if (handle->stride != expected_stride) {
590 static bool warned = false;
591 if (!warned) {
592 warned = true;
593 fprintf(stderr,
594 "Attempting to import %dx%d %s with "
595 "unsupported stride %d instead of %d\n",
596 prsc->width0, prsc->height0,
597 util_format_short_name(prsc->format),
598 handle->stride,
599 expected_stride);
600 }
601 goto fail;
602 }
603
604 rsc->tiled = false;
605 rsc->bo = vc4_screen_bo_from_handle(pscreen, handle);
606 if (!rsc->bo)
607 goto fail;
608
609 slice->stride = handle->stride;
610 slice->tiling = VC4_TILING_FORMAT_LINEAR;
611
612 rsc->vc4_format = get_resource_texture_format(prsc);
613
614 if (miptree_debug) {
615 fprintf(stderr,
616 "rsc import %p (format %d), %dx%d: "
617 "level 0 (R) -> stride %d@0x%08x\n",
618 rsc, rsc->vc4_format,
619 prsc->width0, prsc->height0,
620 slice->stride, slice->offset);
621 }
622
623 return prsc;
624
625 fail:
626 vc4_resource_destroy(pscreen, prsc);
627 return NULL;
628 }
629
630 static struct pipe_surface *
vc4_create_surface(struct pipe_context * pctx,struct pipe_resource * ptex,const struct pipe_surface * surf_tmpl)631 vc4_create_surface(struct pipe_context *pctx,
632 struct pipe_resource *ptex,
633 const struct pipe_surface *surf_tmpl)
634 {
635 struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface);
636 struct vc4_resource *rsc = vc4_resource(ptex);
637
638 if (!surface)
639 return NULL;
640
641 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
642
643 struct pipe_surface *psurf = &surface->base;
644 unsigned level = surf_tmpl->u.tex.level;
645
646 pipe_reference_init(&psurf->reference, 1);
647 pipe_resource_reference(&psurf->texture, ptex);
648
649 psurf->context = pctx;
650 psurf->format = surf_tmpl->format;
651 psurf->width = u_minify(ptex->width0, level);
652 psurf->height = u_minify(ptex->height0, level);
653 psurf->u.tex.level = level;
654 psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
655 psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
656 surface->offset = (rsc->slices[level].offset +
657 psurf->u.tex.first_layer * rsc->cube_map_stride);
658 surface->tiling = rsc->slices[level].tiling;
659
660 return &surface->base;
661 }
662
663 static void
vc4_surface_destroy(struct pipe_context * pctx,struct pipe_surface * psurf)664 vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
665 {
666 pipe_resource_reference(&psurf->texture, NULL);
667 FREE(psurf);
668 }
669
670 static void
vc4_dump_surface_non_msaa(struct pipe_surface * psurf)671 vc4_dump_surface_non_msaa(struct pipe_surface *psurf)
672 {
673 struct pipe_resource *prsc = psurf->texture;
674 struct vc4_resource *rsc = vc4_resource(prsc);
675 uint32_t *map = vc4_bo_map(rsc->bo);
676 uint32_t stride = rsc->slices[0].stride / 4;
677 uint32_t width = psurf->width;
678 uint32_t height = psurf->height;
679 uint32_t chunk_w = width / 79;
680 uint32_t chunk_h = height / 40;
681 uint32_t found_colors[10];
682 uint32_t num_found_colors = 0;
683
684 if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) {
685 fprintf(stderr, "%s: Unsupported format %s\n",
686 __func__, util_format_short_name(psurf->format));
687 return;
688 }
689
690 for (int by = 0; by < height; by += chunk_h) {
691 for (int bx = 0; bx < width; bx += chunk_w) {
692 int all_found_color = -1; /* nothing found */
693
694 for (int y = by; y < MIN2(height, by + chunk_h); y++) {
695 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
696 uint32_t pix = map[y * stride + x];
697
698 int i;
699 for (i = 0; i < num_found_colors; i++) {
700 if (pix == found_colors[i])
701 break;
702 }
703 if (i == num_found_colors &&
704 num_found_colors <
705 ARRAY_SIZE(found_colors)) {
706 found_colors[num_found_colors++] = pix;
707 }
708
709 if (i < num_found_colors) {
710 if (all_found_color == -1)
711 all_found_color = i;
712 else if (i != all_found_color)
713 all_found_color = ARRAY_SIZE(found_colors);
714 }
715 }
716 }
717 /* If all pixels for this chunk have a consistent
718 * value, then print a character for it. Either a
719 * fixed name (particularly common for piglit tests),
720 * or a runtime-generated number.
721 */
722 if (all_found_color >= 0 &&
723 all_found_color < ARRAY_SIZE(found_colors)) {
724 static const struct {
725 uint32_t val;
726 const char *c;
727 } named_colors[] = {
728 { 0xff000000, "█" },
729 { 0x00000000, "█" },
730 { 0xffff0000, "r" },
731 { 0xff00ff00, "g" },
732 { 0xff0000ff, "b" },
733 { 0xffffffff, "w" },
734 };
735 int i;
736 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
737 if (named_colors[i].val ==
738 found_colors[all_found_color]) {
739 fprintf(stderr, "%s",
740 named_colors[i].c);
741 break;
742 }
743 }
744 /* For unnamed colors, print a number and the
745 * numbers will have values printed at the
746 * end.
747 */
748 if (i == ARRAY_SIZE(named_colors)) {
749 fprintf(stderr, "%c",
750 '0' + all_found_color);
751 }
752 } else {
753 /* If there's no consistent color, print this.
754 */
755 fprintf(stderr, ".");
756 }
757 }
758 fprintf(stderr, "\n");
759 }
760
761 for (int i = 0; i < num_found_colors; i++) {
762 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
763 }
764 }
765
766 static uint32_t
vc4_surface_msaa_get_sample(struct pipe_surface * psurf,uint32_t x,uint32_t y,uint32_t sample)767 vc4_surface_msaa_get_sample(struct pipe_surface *psurf,
768 uint32_t x, uint32_t y, uint32_t sample)
769 {
770 struct pipe_resource *prsc = psurf->texture;
771 struct vc4_resource *rsc = vc4_resource(prsc);
772 uint32_t tile_w = 32, tile_h = 32;
773 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32);
774
775 uint32_t tile_x = x / tile_w;
776 uint32_t tile_y = y / tile_h;
777 uint32_t *tile = (vc4_bo_map(rsc->bo) +
778 VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x));
779 uint32_t subtile_x = x % tile_w;
780 uint32_t subtile_y = y % tile_h;
781
782 uint32_t quad_samples = VC4_MAX_SAMPLES * 4;
783 uint32_t tile_stride = quad_samples * tile_w / 2;
784
785 return *((uint32_t *)tile +
786 (subtile_y >> 1) * tile_stride +
787 (subtile_x >> 1) * quad_samples +
788 ((subtile_y & 1) << 1) +
789 (subtile_x & 1) +
790 sample);
791 }
792
793 static void
vc4_dump_surface_msaa_char(struct pipe_surface * psurf,uint32_t start_x,uint32_t start_y,uint32_t w,uint32_t h)794 vc4_dump_surface_msaa_char(struct pipe_surface *psurf,
795 uint32_t start_x, uint32_t start_y,
796 uint32_t w, uint32_t h)
797 {
798 bool all_same_color = true;
799 uint32_t all_pix = 0;
800
801 for (int y = start_y; y < start_y + h; y++) {
802 for (int x = start_x; x < start_x + w; x++) {
803 for (int s = 0; s < VC4_MAX_SAMPLES; s++) {
804 uint32_t pix = vc4_surface_msaa_get_sample(psurf,
805 x, y,
806 s);
807 if (x == start_x && y == start_y)
808 all_pix = pix;
809 else if (all_pix != pix)
810 all_same_color = false;
811 }
812 }
813 }
814 if (all_same_color) {
815 static const struct {
816 uint32_t val;
817 const char *c;
818 } named_colors[] = {
819 { 0xff000000, "█" },
820 { 0x00000000, "█" },
821 { 0xffff0000, "r" },
822 { 0xff00ff00, "g" },
823 { 0xff0000ff, "b" },
824 { 0xffffffff, "w" },
825 };
826 int i;
827 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
828 if (named_colors[i].val == all_pix) {
829 fprintf(stderr, "%s",
830 named_colors[i].c);
831 return;
832 }
833 }
834 fprintf(stderr, "x");
835 } else {
836 fprintf(stderr, ".");
837 }
838 }
839
840 static void
vc4_dump_surface_msaa(struct pipe_surface * psurf)841 vc4_dump_surface_msaa(struct pipe_surface *psurf)
842 {
843 uint32_t tile_w = 32, tile_h = 32;
844 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w);
845 uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h);
846 uint32_t char_w = 140, char_h = 60;
847 uint32_t char_w_per_tile = char_w / tiles_w - 1;
848 uint32_t char_h_per_tile = char_h / tiles_h - 1;
849 uint32_t found_colors[10];
850 uint32_t num_found_colors = 0;
851
852 fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n",
853 psurf->width, psurf->height, psurf->texture->nr_samples);
854
855 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
856 fprintf(stderr, "-");
857 fprintf(stderr, "\n");
858
859 for (int ty = 0; ty < psurf->height; ty += tile_h) {
860 for (int y = 0; y < char_h_per_tile; y++) {
861
862 for (int tx = 0; tx < psurf->width; tx += tile_w) {
863 for (int x = 0; x < char_w_per_tile; x++) {
864 uint32_t bx1 = (x * tile_w /
865 char_w_per_tile);
866 uint32_t bx2 = ((x + 1) * tile_w /
867 char_w_per_tile);
868 uint32_t by1 = (y * tile_h /
869 char_h_per_tile);
870 uint32_t by2 = ((y + 1) * tile_h /
871 char_h_per_tile);
872
873 vc4_dump_surface_msaa_char(psurf,
874 tx + bx1,
875 ty + by1,
876 bx2 - bx1,
877 by2 - by1);
878 }
879 fprintf(stderr, "|");
880 }
881 fprintf(stderr, "\n");
882 }
883
884 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
885 fprintf(stderr, "-");
886 fprintf(stderr, "\n");
887 }
888
889 for (int i = 0; i < num_found_colors; i++) {
890 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
891 }
892 }
893
894 /** Debug routine to dump the contents of an 8888 surface to the console */
895 void
vc4_dump_surface(struct pipe_surface * psurf)896 vc4_dump_surface(struct pipe_surface *psurf)
897 {
898 if (!psurf)
899 return;
900
901 if (psurf->texture->nr_samples > 1)
902 vc4_dump_surface_msaa(psurf);
903 else
904 vc4_dump_surface_non_msaa(psurf);
905 }
906
907 static void
vc4_flush_resource(struct pipe_context * pctx,struct pipe_resource * resource)908 vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource)
909 {
910 /* All calls to flush_resource are followed by a flush of the context,
911 * so there's nothing to do.
912 */
913 }
914
915 void
vc4_update_shadow_baselevel_texture(struct pipe_context * pctx,struct pipe_sampler_view * view)916 vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
917 struct pipe_sampler_view *view)
918 {
919 struct vc4_resource *shadow = vc4_resource(view->texture);
920 struct vc4_resource *orig = vc4_resource(shadow->shadow_parent);
921 assert(orig);
922
923 if (shadow->writes == orig->writes && orig->bo->private)
924 return;
925
926 perf_debug("Updating %dx%d@%d shadow texture due to %s\n",
927 orig->base.b.width0, orig->base.b.height0,
928 view->u.tex.first_level,
929 view->u.tex.first_level ? "base level" : "raster layout");
930
931 for (int i = 0; i <= shadow->base.b.last_level; i++) {
932 unsigned width = u_minify(shadow->base.b.width0, i);
933 unsigned height = u_minify(shadow->base.b.height0, i);
934 struct pipe_blit_info info = {
935 .dst = {
936 .resource = &shadow->base.b,
937 .level = i,
938 .box = {
939 .x = 0,
940 .y = 0,
941 .z = 0,
942 .width = width,
943 .height = height,
944 .depth = 1,
945 },
946 .format = shadow->base.b.format,
947 },
948 .src = {
949 .resource = &orig->base.b,
950 .level = view->u.tex.first_level + i,
951 .box = {
952 .x = 0,
953 .y = 0,
954 .z = 0,
955 .width = width,
956 .height = height,
957 .depth = 1,
958 },
959 .format = orig->base.b.format,
960 },
961 .mask = ~0,
962 };
963 pctx->blit(pctx, &info);
964 }
965
966 shadow->writes = orig->writes;
967 }
968
969 /**
970 * Converts a 4-byte index buffer to 2 bytes.
971 *
972 * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't
973 * include 4-byte index support, and we have to shrink it down.
974 *
975 * There's no fallback support for when indices end up being larger than 2^16,
976 * though it will at least assertion fail. Also, if the original index data
977 * was in user memory, it would be nice to not have uploaded it to a VBO
978 * before translating.
979 */
980 struct pipe_resource *
vc4_get_shadow_index_buffer(struct pipe_context * pctx,const struct pipe_index_buffer * ib,uint32_t count,uint32_t * shadow_offset)981 vc4_get_shadow_index_buffer(struct pipe_context *pctx,
982 const struct pipe_index_buffer *ib,
983 uint32_t count,
984 uint32_t *shadow_offset)
985 {
986 struct vc4_context *vc4 = vc4_context(pctx);
987 struct vc4_resource *orig = vc4_resource(ib->buffer);
988 perf_debug("Fallback conversion for %d uint indices\n", count);
989
990 void *data;
991 struct pipe_resource *shadow_rsc = NULL;
992 u_upload_alloc(vc4->uploader, 0, count * 2, 4,
993 shadow_offset, &shadow_rsc, &data);
994 uint16_t *dst = data;
995
996 struct pipe_transfer *src_transfer = NULL;
997 const uint32_t *src;
998 if (ib->user_buffer) {
999 src = ib->user_buffer;
1000 } else {
1001 src = pipe_buffer_map_range(pctx, &orig->base.b,
1002 ib->offset,
1003 count * 4,
1004 PIPE_TRANSFER_READ, &src_transfer);
1005 }
1006
1007 for (int i = 0; i < count; i++) {
1008 uint32_t src_index = src[i];
1009 assert(src_index <= 0xffff);
1010 dst[i] = src_index;
1011 }
1012
1013 if (src_transfer)
1014 pctx->transfer_unmap(pctx, src_transfer);
1015
1016 return shadow_rsc;
1017 }
1018
1019 void
vc4_resource_screen_init(struct pipe_screen * pscreen)1020 vc4_resource_screen_init(struct pipe_screen *pscreen)
1021 {
1022 pscreen->resource_create = vc4_resource_create;
1023 pscreen->resource_from_handle = vc4_resource_from_handle;
1024 pscreen->resource_get_handle = u_resource_get_handle_vtbl;
1025 pscreen->resource_destroy = u_resource_destroy_vtbl;
1026 }
1027
1028 void
vc4_resource_context_init(struct pipe_context * pctx)1029 vc4_resource_context_init(struct pipe_context *pctx)
1030 {
1031 pctx->transfer_map = u_transfer_map_vtbl;
1032 pctx->transfer_flush_region = u_transfer_flush_region_vtbl;
1033 pctx->transfer_unmap = u_transfer_unmap_vtbl;
1034 pctx->buffer_subdata = u_default_buffer_subdata;
1035 pctx->texture_subdata = u_default_texture_subdata;
1036 pctx->create_surface = vc4_create_surface;
1037 pctx->surface_destroy = vc4_surface_destroy;
1038 pctx->resource_copy_region = util_resource_copy_region;
1039 pctx->blit = vc4_blit;
1040 pctx->flush_resource = vc4_flush_resource;
1041 }
1042