1 /* 2 * Copyright (c) 2012-2015 Etnaviv Project 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, sub license, 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 (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Wladimir J. van der Laan <laanwj (at) gmail.com> 25 */ 26 27 #include "etnaviv_resource.h" 28 29 #include "hw/common.xml.h" 30 31 #include "etnaviv_context.h" 32 #include "etnaviv_debug.h" 33 #include "etnaviv_screen.h" 34 #include "etnaviv_translate.h" 35 36 #include "util/u_inlines.h" 37 #include "util/u_memory.h" 38 39 #include <drm_fourcc.h> 40 41 #ifndef DRM_FORMAT_MOD_INVALID 42 #define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1) 43 #endif 44 45 static enum etna_surface_layout modifier_to_layout(uint64_t modifier) 46 { 47 switch (modifier) { 48 case DRM_FORMAT_MOD_VIVANTE_TILED: 49 return ETNA_LAYOUT_TILED; 50 case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED: 51 return ETNA_LAYOUT_SUPER_TILED; 52 case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED: 53 return ETNA_LAYOUT_MULTI_TILED; 54 case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED: 55 return ETNA_LAYOUT_MULTI_SUPERTILED; 56 case DRM_FORMAT_MOD_LINEAR: 57 default: 58 return ETNA_LAYOUT_LINEAR; 59 } 60 } 61 62 static uint64_t layout_to_modifier(enum etna_surface_layout layout) 63 { 64 switch (layout) { 65 case ETNA_LAYOUT_TILED: 66 return DRM_FORMAT_MOD_VIVANTE_TILED; 67 case ETNA_LAYOUT_SUPER_TILED: 68 return DRM_FORMAT_MOD_VIVANTE_SUPER_TILED; 69 case ETNA_LAYOUT_MULTI_TILED: 70 return DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED; 71 case ETNA_LAYOUT_MULTI_SUPERTILED: 72 return DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED; 73 case ETNA_LAYOUT_LINEAR: 74 return DRM_FORMAT_MOD_LINEAR; 75 default: 76 return DRM_FORMAT_MOD_INVALID; 77 } 78 } 79 80 /* A tile is 4x4 pixels, having 'screen->specs.bits_per_tile' of tile status. 81 * So, in a buffer of N pixels, there are N / (4 * 4) tiles. 82 * We need N * screen->specs.bits_per_tile / (4 * 4) bits of tile status, or 83 * N * screen->specs.bits_per_tile / (4 * 4 * 8) bytes. 84 */ 85 bool 86 etna_screen_resource_alloc_ts(struct pipe_screen *pscreen, 87 struct etna_resource *rsc) 88 { 89 struct etna_screen *screen = etna_screen(pscreen); 90 size_t rt_ts_size, ts_layer_stride, pixels; 91 92 assert(!rsc->ts_bo); 93 94 /* TS only for level 0 -- XXX is this formula correct? */ 95 pixels = rsc->levels[0].layer_stride / util_format_get_blocksize(rsc->base.format); 96 ts_layer_stride = align(pixels * screen->specs.bits_per_tile / 0x80, 97 0x100 * screen->specs.pixel_pipes); 98 rt_ts_size = ts_layer_stride * rsc->base.array_size; 99 if (rt_ts_size == 0) 100 return true; 101 102 DBG_F(ETNA_DBG_RESOURCE_MSGS, "%p: Allocating tile status of size %zu", 103 rsc, rt_ts_size); 104 105 struct etna_bo *rt_ts; 106 rt_ts = etna_bo_new(screen->dev, rt_ts_size, DRM_ETNA_GEM_CACHE_WC); 107 108 if (unlikely(!rt_ts)) { 109 BUG("Problem allocating tile status for resource"); 110 return false; 111 } 112 113 rsc->ts_bo = rt_ts; 114 rsc->levels[0].ts_offset = 0; 115 rsc->levels[0].ts_layer_stride = ts_layer_stride; 116 rsc->levels[0].ts_size = rt_ts_size; 117 118 /* It is important to initialize the TS, as random pattern 119 * can result in crashes. Do this on the CPU as this only happens once 120 * per surface anyway and it's a small area, so it may not be worth 121 * queuing this to the GPU. */ 122 void *ts_map = etna_bo_map(rt_ts); 123 memset(ts_map, screen->specs.ts_clear_value, rt_ts_size); 124 125 return true; 126 } 127 128 static boolean 129 etna_screen_can_create_resource(struct pipe_screen *pscreen, 130 const struct pipe_resource *templat) 131 { 132 struct etna_screen *screen = etna_screen(pscreen); 133 if (!translate_samples_to_xyscale(templat->nr_samples, NULL, NULL, NULL)) 134 return false; 135 136 /* templat->bind is not set here, so we must use the minimum sizes */ 137 uint max_size = 138 MIN2(screen->specs.max_rendertarget_size, screen->specs.max_texture_size); 139 140 if (templat->width0 > max_size || templat->height0 > max_size) 141 return false; 142 143 return true; 144 } 145 146 static unsigned 147 setup_miptree(struct etna_resource *rsc, unsigned paddingX, unsigned paddingY, 148 unsigned msaa_xscale, unsigned msaa_yscale) 149 { 150 struct pipe_resource *prsc = &rsc->base; 151 unsigned level, size = 0; 152 unsigned width = prsc->width0; 153 unsigned height = prsc->height0; 154 unsigned depth = prsc->depth0; 155 156 for (level = 0; level <= prsc->last_level; level++) { 157 struct etna_resource_level *mip = &rsc->levels[level]; 158 159 mip->width = width; 160 mip->height = height; 161 mip->padded_width = align(width * msaa_xscale, paddingX); 162 mip->padded_height = align(height * msaa_yscale, paddingY); 163 mip->stride = util_format_get_stride(prsc->format, mip->padded_width); 164 mip->offset = size; 165 mip->layer_stride = mip->stride * util_format_get_nblocksy(prsc->format, mip->padded_height); 166 mip->size = prsc->array_size * mip->layer_stride; 167 168 /* align levels to 64 bytes to be able to render to them */ 169 size += align(mip->size, ETNA_PE_ALIGNMENT) * depth; 170 171 width = u_minify(width, 1); 172 height = u_minify(height, 1); 173 depth = u_minify(depth, 1); 174 } 175 176 return size; 177 } 178 179 /* Create a new resource object, using the given template info */ 180 struct pipe_resource * 181 etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout, 182 uint64_t modifier, const struct pipe_resource *templat) 183 { 184 struct etna_screen *screen = etna_screen(pscreen); 185 struct etna_resource *rsc; 186 unsigned size; 187 188 DBG_F(ETNA_DBG_RESOURCE_MSGS, 189 "target=%d, format=%s, %ux%ux%u, array_size=%u, " 190 "last_level=%u, nr_samples=%u, usage=%u, bind=%x, flags=%x", 191 templat->target, util_format_name(templat->format), templat->width0, 192 templat->height0, templat->depth0, templat->array_size, 193 templat->last_level, templat->nr_samples, templat->usage, 194 templat->bind, templat->flags); 195 196 /* Determine scaling for antialiasing, allow override using debug flag */ 197 int nr_samples = templat->nr_samples; 198 if ((templat->bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL)) && 199 !(templat->bind & PIPE_BIND_SAMPLER_VIEW)) { 200 if (DBG_ENABLED(ETNA_DBG_MSAA_2X)) 201 nr_samples = 2; 202 if (DBG_ENABLED(ETNA_DBG_MSAA_4X)) 203 nr_samples = 4; 204 } 205 206 int msaa_xscale = 1, msaa_yscale = 1; 207 if (!translate_samples_to_xyscale(nr_samples, &msaa_xscale, &msaa_yscale, NULL)) { 208 /* Number of samples not supported */ 209 return NULL; 210 } 211 212 /* Determine needed padding (alignment of height/width) */ 213 unsigned paddingX = 0, paddingY = 0; 214 unsigned halign = TEXTURE_HALIGN_FOUR; 215 if (!util_format_is_compressed(templat->format)) { 216 /* If we have the TEXTURE_HALIGN feature, we can always align to the 217 * resolve engine's width. If not, we must not align resources used 218 * only for textures. If this GPU uses the BLT engine, never do RS align. 219 */ 220 bool rs_align = screen->specs.use_blt ? false : ( 221 VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN) || 222 !etna_resource_sampler_only(templat)); 223 etna_layout_multiple(layout, screen->specs.pixel_pipes, rs_align, &paddingX, 224 &paddingY, &halign); 225 assert(paddingX && paddingY); 226 } else { 227 /* Compressed textures are padded to their block size, but we don't have 228 * to do anything special for that. */ 229 paddingX = 1; 230 paddingY = 1; 231 } 232 233 if (!screen->specs.use_blt && templat->target != PIPE_BUFFER) 234 etna_adjust_rs_align(screen->specs.pixel_pipes, NULL, &paddingY); 235 236 if (templat->bind & PIPE_BIND_SCANOUT) { 237 struct pipe_resource scanout_templat = *templat; 238 struct renderonly_scanout *scanout; 239 struct winsys_handle handle; 240 241 /* pad scanout buffer size to be compatible with the RS */ 242 if (!screen->specs.use_blt && modifier == DRM_FORMAT_MOD_LINEAR) 243 etna_adjust_rs_align(screen->specs.pixel_pipes, &paddingX, &paddingY); 244 245 scanout_templat.width0 = align(scanout_templat.width0, paddingX); 246 scanout_templat.height0 = align(scanout_templat.height0, paddingY); 247 248 scanout = renderonly_scanout_for_resource(&scanout_templat, 249 screen->ro, &handle); 250 if (!scanout) 251 return NULL; 252 253 assert(handle.type == DRM_API_HANDLE_TYPE_FD); 254 handle.modifier = modifier; 255 rsc = etna_resource(pscreen->resource_from_handle(pscreen, templat, 256 &handle, 257 PIPE_HANDLE_USAGE_WRITE)); 258 close(handle.handle); 259 if (!rsc) 260 return NULL; 261 262 rsc->scanout = scanout; 263 264 return &rsc->base; 265 } 266 267 rsc = CALLOC_STRUCT(etna_resource); 268 if (!rsc) 269 return NULL; 270 271 rsc->base = *templat; 272 rsc->base.screen = pscreen; 273 rsc->base.nr_samples = nr_samples; 274 rsc->layout = layout; 275 rsc->halign = halign; 276 277 pipe_reference_init(&rsc->base.reference, 1); 278 list_inithead(&rsc->list); 279 280 size = setup_miptree(rsc, paddingX, paddingY, msaa_xscale, msaa_yscale); 281 282 uint32_t flags = DRM_ETNA_GEM_CACHE_WC; 283 if (templat->bind & PIPE_BIND_VERTEX_BUFFER) 284 flags |= DRM_ETNA_GEM_FORCE_MMU; 285 struct etna_bo *bo = etna_bo_new(screen->dev, size, flags); 286 if (unlikely(bo == NULL)) { 287 BUG("Problem allocating video memory for resource"); 288 goto free_rsc; 289 } 290 291 rsc->bo = bo; 292 rsc->ts_bo = 0; /* TS is only created when first bound to surface */ 293 294 if (DBG_ENABLED(ETNA_DBG_ZERO)) { 295 void *map = etna_bo_map(bo); 296 memset(map, 0, size); 297 } 298 299 return &rsc->base; 300 301 free_rsc: 302 FREE(rsc); 303 return NULL; 304 } 305 306 static struct pipe_resource * 307 etna_resource_create(struct pipe_screen *pscreen, 308 const struct pipe_resource *templat) 309 { 310 struct etna_screen *screen = etna_screen(pscreen); 311 312 /* Figure out what tiling to use -- for now, assume that texture cannot be linear. 313 * there is a capability LINEAR_TEXTURE_SUPPORT (supported on gc880 and 314 * gc2000 at least), but not sure how it works. 315 * Buffers always have LINEAR layout. 316 */ 317 unsigned layout = ETNA_LAYOUT_LINEAR; 318 if (etna_resource_sampler_only(templat)) { 319 /* The buffer is only used for texturing, so create something 320 * directly compatible with the sampler. Such a buffer can 321 * never be rendered to. */ 322 layout = ETNA_LAYOUT_TILED; 323 324 if (util_format_is_compressed(templat->format)) 325 layout = ETNA_LAYOUT_LINEAR; 326 } else if (templat->target != PIPE_BUFFER) { 327 bool want_multitiled = false; 328 bool want_supertiled = screen->specs.can_supertile; 329 330 /* When this GPU supports single-buffer rendering, don't ever enable 331 * multi-tiling. This replicates the blob behavior on GC3000. 332 */ 333 if (!screen->specs.single_buffer) 334 want_multitiled = screen->specs.pixel_pipes > 1; 335 336 /* Keep single byte blocksized resources as tiled, since we 337 * are unable to use the RS blit to de-tile them. However, 338 * if they're used as a render target or depth/stencil, they 339 * must be multi-tiled for GPUs with multiple pixel pipes. 340 * Ignore depth/stencil here, but it is an error for a render 341 * target. 342 */ 343 if (util_format_get_blocksize(templat->format) == 1 && 344 !(templat->bind & PIPE_BIND_DEPTH_STENCIL)) { 345 assert(!(templat->bind & PIPE_BIND_RENDER_TARGET && want_multitiled)); 346 want_multitiled = want_supertiled = false; 347 } 348 349 layout = ETNA_LAYOUT_BIT_TILE; 350 if (want_multitiled) 351 layout |= ETNA_LAYOUT_BIT_MULTI; 352 if (want_supertiled) 353 layout |= ETNA_LAYOUT_BIT_SUPER; 354 } 355 356 if (templat->target == PIPE_TEXTURE_3D) 357 layout = ETNA_LAYOUT_LINEAR; 358 359 /* modifier is only used for scanout surfaces, so safe to use LINEAR here */ 360 return etna_resource_alloc(pscreen, layout, DRM_FORMAT_MOD_LINEAR, templat); 361 } 362 363 enum modifier_priority { 364 MODIFIER_PRIORITY_INVALID = 0, 365 MODIFIER_PRIORITY_LINEAR, 366 MODIFIER_PRIORITY_SPLIT_TILED, 367 MODIFIER_PRIORITY_SPLIT_SUPER_TILED, 368 MODIFIER_PRIORITY_TILED, 369 MODIFIER_PRIORITY_SUPER_TILED, 370 }; 371 372 const uint64_t priority_to_modifier[] = { 373 [MODIFIER_PRIORITY_INVALID] = DRM_FORMAT_MOD_INVALID, 374 [MODIFIER_PRIORITY_LINEAR] = DRM_FORMAT_MOD_LINEAR, 375 [MODIFIER_PRIORITY_SPLIT_TILED] = DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED, 376 [MODIFIER_PRIORITY_SPLIT_SUPER_TILED] = DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED, 377 [MODIFIER_PRIORITY_TILED] = DRM_FORMAT_MOD_VIVANTE_TILED, 378 [MODIFIER_PRIORITY_SUPER_TILED] = DRM_FORMAT_MOD_VIVANTE_SUPER_TILED, 379 }; 380 381 static uint64_t 382 select_best_modifier(const struct etna_screen * screen, 383 const uint64_t *modifiers, const unsigned count) 384 { 385 enum modifier_priority prio = MODIFIER_PRIORITY_INVALID; 386 387 for (int i = 0; i < count; i++) { 388 switch (modifiers[i]) { 389 case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED: 390 if ((screen->specs.pixel_pipes > 1 && !screen->specs.single_buffer) || 391 !screen->specs.can_supertile) 392 break; 393 prio = MAX2(prio, MODIFIER_PRIORITY_SUPER_TILED); 394 break; 395 case DRM_FORMAT_MOD_VIVANTE_TILED: 396 if (screen->specs.pixel_pipes > 1 && !screen->specs.single_buffer) 397 break; 398 prio = MAX2(prio, MODIFIER_PRIORITY_TILED); 399 break; 400 case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED: 401 if ((screen->specs.pixel_pipes < 2) || !screen->specs.can_supertile) 402 break; 403 prio = MAX2(prio, MODIFIER_PRIORITY_SPLIT_SUPER_TILED); 404 break; 405 case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED: 406 if (screen->specs.pixel_pipes < 2) 407 break; 408 prio = MAX2(prio, MODIFIER_PRIORITY_SPLIT_TILED); 409 break; 410 case DRM_FORMAT_MOD_LINEAR: 411 prio = MAX2(prio, MODIFIER_PRIORITY_LINEAR); 412 break; 413 case DRM_FORMAT_MOD_INVALID: 414 default: 415 break; 416 } 417 } 418 419 return priority_to_modifier[prio]; 420 } 421 422 static struct pipe_resource * 423 etna_resource_create_modifiers(struct pipe_screen *pscreen, 424 const struct pipe_resource *templat, 425 const uint64_t *modifiers, int count) 426 { 427 struct etna_screen *screen = etna_screen(pscreen); 428 struct pipe_resource tmpl = *templat; 429 uint64_t modifier = select_best_modifier(screen, modifiers, count); 430 431 if (modifier == DRM_FORMAT_MOD_INVALID) 432 return NULL; 433 434 /* 435 * We currently assume that all buffers allocated through this interface 436 * should be scanout enabled. 437 */ 438 tmpl.bind |= PIPE_BIND_SCANOUT; 439 440 return etna_resource_alloc(pscreen, modifier_to_layout(modifier), 441 modifier, &tmpl); 442 } 443 444 static void 445 etna_resource_changed(struct pipe_screen *pscreen, struct pipe_resource *prsc) 446 { 447 struct etna_resource *res = etna_resource(prsc); 448 449 if (res->external) 450 etna_resource(res->external)->seqno++; 451 else 452 res->seqno++; 453 } 454 455 static void 456 etna_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *prsc) 457 { 458 struct etna_resource *rsc = etna_resource(prsc); 459 460 if (rsc->bo) 461 etna_bo_del(rsc->bo); 462 463 if (rsc->ts_bo) 464 etna_bo_del(rsc->ts_bo); 465 466 if (rsc->scanout) 467 renderonly_scanout_destroy(rsc->scanout, etna_screen(pscreen)->ro); 468 469 list_delinit(&rsc->list); 470 471 pipe_resource_reference(&rsc->texture, NULL); 472 pipe_resource_reference(&rsc->external, NULL); 473 474 FREE(rsc); 475 } 476 477 static struct pipe_resource * 478 etna_resource_from_handle(struct pipe_screen *pscreen, 479 const struct pipe_resource *tmpl, 480 struct winsys_handle *handle, unsigned usage) 481 { 482 struct etna_screen *screen = etna_screen(pscreen); 483 struct etna_resource *rsc; 484 struct etna_resource_level *level; 485 struct pipe_resource *prsc; 486 struct pipe_resource *ptiled = NULL; 487 488 DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " 489 "nr_samples=%u, usage=%u, bind=%x, flags=%x", 490 tmpl->target, util_format_name(tmpl->format), tmpl->width0, 491 tmpl->height0, tmpl->depth0, tmpl->array_size, tmpl->last_level, 492 tmpl->nr_samples, tmpl->usage, tmpl->bind, tmpl->flags); 493 494 rsc = CALLOC_STRUCT(etna_resource); 495 if (!rsc) 496 return NULL; 497 498 level = &rsc->levels[0]; 499 prsc = &rsc->base; 500 501 *prsc = *tmpl; 502 503 pipe_reference_init(&prsc->reference, 1); 504 list_inithead(&rsc->list); 505 prsc->screen = pscreen; 506 507 rsc->bo = etna_screen_bo_from_handle(pscreen, handle, &level->stride); 508 if (!rsc->bo) 509 goto fail; 510 511 rsc->seqno = 1; 512 rsc->layout = modifier_to_layout(handle->modifier); 513 rsc->halign = TEXTURE_HALIGN_FOUR; 514 515 516 level->width = tmpl->width0; 517 level->height = tmpl->height0; 518 519 /* Determine padding of the imported resource. */ 520 unsigned paddingX = 0, paddingY = 0; 521 etna_layout_multiple(rsc->layout, screen->specs.pixel_pipes, 522 VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN), 523 &paddingX, &paddingY, &rsc->halign); 524 525 if (!screen->specs.use_blt) 526 etna_adjust_rs_align(screen->specs.pixel_pipes, NULL, &paddingY); 527 level->padded_width = align(level->width, paddingX); 528 level->padded_height = align(level->height, paddingY); 529 530 level->layer_stride = level->stride * util_format_get_nblocksy(prsc->format, 531 level->padded_height); 532 level->size = level->layer_stride; 533 534 /* The DDX must give us a BO which conforms to our padding size. 535 * The stride of the BO must be greater or equal to our padded 536 * stride. The size of the BO must accomodate the padded height. */ 537 if (level->stride < util_format_get_stride(tmpl->format, level->padded_width)) { 538 BUG("BO stride is too small for RS engine width padding"); 539 goto fail; 540 } 541 if (etna_bo_size(rsc->bo) < level->stride * level->padded_height) { 542 BUG("BO size is too small for RS engine height padding"); 543 goto fail; 544 } 545 546 if (rsc->layout == ETNA_LAYOUT_LINEAR) { 547 /* 548 * Both sampler and pixel pipes can't handle linear, create a compatible 549 * base resource, where we can attach the imported buffer as an external 550 * resource. 551 */ 552 struct pipe_resource tiled_templat = *tmpl; 553 554 /* 555 * Remove BIND_SCANOUT to avoid recursion, as etna_resource_create uses 556 * this function to import the scanout buffer and get a tiled resource. 557 */ 558 tiled_templat.bind &= ~PIPE_BIND_SCANOUT; 559 560 ptiled = etna_resource_create(pscreen, &tiled_templat); 561 if (!ptiled) 562 goto fail; 563 564 etna_resource(ptiled)->external = prsc; 565 566 return ptiled; 567 } 568 569 return prsc; 570 571 fail: 572 etna_resource_destroy(pscreen, prsc); 573 if (ptiled) 574 etna_resource_destroy(pscreen, ptiled); 575 576 return NULL; 577 } 578 579 static boolean 580 etna_resource_get_handle(struct pipe_screen *pscreen, 581 struct pipe_context *pctx, 582 struct pipe_resource *prsc, 583 struct winsys_handle *handle, unsigned usage) 584 { 585 struct etna_resource *rsc = etna_resource(prsc); 586 /* Scanout is always attached to the base resource */ 587 struct renderonly_scanout *scanout = rsc->scanout; 588 589 /* 590 * External resources are preferred, so a import->export chain of 591 * render/sampler incompatible buffers yield the same handle. 592 */ 593 if (rsc->external) 594 rsc = etna_resource(rsc->external); 595 596 handle->stride = rsc->levels[0].stride; 597 handle->modifier = layout_to_modifier(rsc->layout); 598 599 if (handle->type == DRM_API_HANDLE_TYPE_SHARED) { 600 return etna_bo_get_name(rsc->bo, &handle->handle) == 0; 601 } else if (handle->type == DRM_API_HANDLE_TYPE_KMS) { 602 if (renderonly_get_handle(scanout, handle)) { 603 return TRUE; 604 } else { 605 handle->handle = etna_bo_handle(rsc->bo); 606 return TRUE; 607 } 608 } else if (handle->type == DRM_API_HANDLE_TYPE_FD) { 609 handle->handle = etna_bo_dmabuf(rsc->bo); 610 return TRUE; 611 } else { 612 return FALSE; 613 } 614 } 615 616 void 617 etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc, 618 enum etna_resource_status status) 619 { 620 struct etna_resource *rsc; 621 622 if (!prsc) 623 return; 624 625 rsc = etna_resource(prsc); 626 rsc->status |= status; 627 628 /* TODO resources can actually be shared across contexts, 629 * so I'm not sure a single list-head will do the trick? */ 630 debug_assert((rsc->pending_ctx == ctx) || !rsc->pending_ctx); 631 list_delinit(&rsc->list); 632 list_addtail(&rsc->list, &ctx->used_resources); 633 rsc->pending_ctx = ctx; 634 } 635 636 bool 637 etna_resource_has_valid_ts(struct etna_resource *rsc) 638 { 639 if (!rsc->ts_bo) 640 return false; 641 642 for (int level = 0; level <= rsc->base.last_level; level++) 643 if (rsc->levels[level].ts_valid) 644 return true; 645 646 return false; 647 } 648 649 void 650 etna_resource_screen_init(struct pipe_screen *pscreen) 651 { 652 pscreen->can_create_resource = etna_screen_can_create_resource; 653 pscreen->resource_create = etna_resource_create; 654 pscreen->resource_create_with_modifiers = etna_resource_create_modifiers; 655 pscreen->resource_from_handle = etna_resource_from_handle; 656 pscreen->resource_get_handle = etna_resource_get_handle; 657 pscreen->resource_changed = etna_resource_changed; 658 pscreen->resource_destroy = etna_resource_destroy; 659 } 660
