cso_context.c revision 32f833e5a58d886065309da5414a63924e61e9d9
1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * @file 30 * 31 * Wrap the cso cache & hash mechanisms in a simplified 32 * pipe-driver-specific interface. 33 * 34 * @author Zack Rusin <zack@tungstengraphics.com> 35 * @author Keith Whitwell <keith@tungstengraphics.com> 36 */ 37 38#include "pipe/p_state.h" 39#include "util/u_framebuffer.h" 40#include "util/u_inlines.h" 41#include "util/u_math.h" 42#include "util/u_memory.h" 43#include "tgsi/tgsi_parse.h" 44 45#include "cso_cache/cso_context.h" 46#include "cso_cache/cso_cache.h" 47#include "cso_cache/cso_hash.h" 48#include "cso_context.h" 49 50 51/** 52 * Info related to samplers and sampler views. 53 * We have one of these for fragment samplers and another for vertex samplers. 54 */ 55struct sampler_info 56{ 57 struct { 58 void *samplers[PIPE_MAX_SAMPLERS]; 59 unsigned nr_samplers; 60 } hw; 61 62 void *samplers[PIPE_MAX_SAMPLERS]; 63 unsigned nr_samplers; 64 65 void *samplers_saved[PIPE_MAX_SAMPLERS]; 66 unsigned nr_samplers_saved; 67 68 struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS]; 69 unsigned nr_views; 70 71 struct pipe_sampler_view *views_saved[PIPE_MAX_SAMPLERS]; 72 unsigned nr_views_saved; 73}; 74 75 76 77struct cso_context { 78 struct pipe_context *pipe; 79 struct cso_cache *cache; 80 81 boolean has_geometry_shader; 82 boolean has_streamout; 83 84 struct sampler_info fragment_samplers; 85 struct sampler_info vertex_samplers; 86 87 uint nr_vertex_buffers; 88 struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; 89 90 uint nr_vertex_buffers_saved; 91 struct pipe_vertex_buffer vertex_buffers_saved[PIPE_MAX_ATTRIBS]; 92 93 unsigned nr_so_targets; 94 struct pipe_stream_output_target *so_targets[PIPE_MAX_SO_BUFFERS]; 95 96 unsigned nr_so_targets_saved; 97 struct pipe_stream_output_target *so_targets_saved[PIPE_MAX_SO_BUFFERS]; 98 99 /** Current and saved state. 100 * The saved state is used as a 1-deep stack. 101 */ 102 void *blend, *blend_saved; 103 void *depth_stencil, *depth_stencil_saved; 104 void *rasterizer, *rasterizer_saved; 105 void *fragment_shader, *fragment_shader_saved, *geometry_shader; 106 void *vertex_shader, *vertex_shader_saved, *geometry_shader_saved; 107 void *velements, *velements_saved; 108 109 struct pipe_clip_state clip; 110 struct pipe_clip_state clip_saved; 111 112 struct pipe_framebuffer_state fb, fb_saved; 113 struct pipe_viewport_state vp, vp_saved; 114 struct pipe_blend_color blend_color; 115 unsigned sample_mask; 116 struct pipe_stencil_ref stencil_ref, stencil_ref_saved; 117}; 118 119 120static boolean delete_blend_state(struct cso_context *ctx, void *state) 121{ 122 struct cso_blend *cso = (struct cso_blend *)state; 123 124 if (ctx->blend == cso->data) 125 return FALSE; 126 127 if (cso->delete_state) 128 cso->delete_state(cso->context, cso->data); 129 FREE(state); 130 return TRUE; 131} 132 133static boolean delete_depth_stencil_state(struct cso_context *ctx, void *state) 134{ 135 struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state; 136 137 if (ctx->depth_stencil == cso->data) 138 return FALSE; 139 140 if (cso->delete_state) 141 cso->delete_state(cso->context, cso->data); 142 FREE(state); 143 144 return TRUE; 145} 146 147static boolean delete_sampler_state(struct cso_context *ctx, void *state) 148{ 149 struct cso_sampler *cso = (struct cso_sampler *)state; 150 if (cso->delete_state) 151 cso->delete_state(cso->context, cso->data); 152 FREE(state); 153 return TRUE; 154} 155 156static boolean delete_rasterizer_state(struct cso_context *ctx, void *state) 157{ 158 struct cso_rasterizer *cso = (struct cso_rasterizer *)state; 159 160 if (ctx->rasterizer == cso->data) 161 return FALSE; 162 if (cso->delete_state) 163 cso->delete_state(cso->context, cso->data); 164 FREE(state); 165 return TRUE; 166} 167 168static boolean delete_vertex_elements(struct cso_context *ctx, 169 void *state) 170{ 171 struct cso_velements *cso = (struct cso_velements *)state; 172 173 if (ctx->velements == cso->data) 174 return FALSE; 175 176 if (cso->delete_state) 177 cso->delete_state(cso->context, cso->data); 178 FREE(state); 179 return TRUE; 180} 181 182 183static INLINE boolean delete_cso(struct cso_context *ctx, 184 void *state, enum cso_cache_type type) 185{ 186 switch (type) { 187 case CSO_BLEND: 188 return delete_blend_state(ctx, state); 189 break; 190 case CSO_SAMPLER: 191 return delete_sampler_state(ctx, state); 192 break; 193 case CSO_DEPTH_STENCIL_ALPHA: 194 return delete_depth_stencil_state(ctx, state); 195 break; 196 case CSO_RASTERIZER: 197 return delete_rasterizer_state(ctx, state); 198 break; 199 case CSO_VELEMENTS: 200 return delete_vertex_elements(ctx, state); 201 break; 202 default: 203 assert(0); 204 FREE(state); 205 } 206 return FALSE; 207} 208 209static INLINE void sanitize_hash(struct cso_hash *hash, enum cso_cache_type type, 210 int max_size, void *user_data) 211{ 212 struct cso_context *ctx = (struct cso_context *)user_data; 213 /* if we're approach the maximum size, remove fourth of the entries 214 * otherwise every subsequent call will go through the same */ 215 int hash_size = cso_hash_size(hash); 216 int max_entries = (max_size > hash_size) ? max_size : hash_size; 217 int to_remove = (max_size < max_entries) * max_entries/4; 218 struct cso_hash_iter iter = cso_hash_first_node(hash); 219 if (hash_size > max_size) 220 to_remove += hash_size - max_size; 221 while (to_remove) { 222 /*remove elements until we're good */ 223 /*fixme: currently we pick the nodes to remove at random*/ 224 void *cso = cso_hash_iter_data(iter); 225 if (delete_cso(ctx, cso, type)) { 226 iter = cso_hash_erase(hash, iter); 227 --to_remove; 228 } else 229 iter = cso_hash_iter_next(iter); 230 } 231} 232 233 234struct cso_context *cso_create_context( struct pipe_context *pipe ) 235{ 236 struct cso_context *ctx = CALLOC_STRUCT(cso_context); 237 if (ctx == NULL) 238 goto out; 239 240 assert(PIPE_MAX_SAMPLERS == PIPE_MAX_VERTEX_SAMPLERS); 241 242 ctx->cache = cso_cache_create(); 243 if (ctx->cache == NULL) 244 goto out; 245 cso_cache_set_sanitize_callback(ctx->cache, 246 sanitize_hash, 247 ctx); 248 249 ctx->pipe = pipe; 250 251 /* Enable for testing: */ 252 if (0) cso_set_maximum_cache_size( ctx->cache, 4 ); 253 254 if (pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, 255 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) { 256 ctx->has_geometry_shader = TRUE; 257 } 258 if (pipe->screen->get_param(pipe->screen, 259 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0) { 260 ctx->has_streamout = TRUE; 261 } 262 263 return ctx; 264 265out: 266 cso_destroy_context( ctx ); 267 return NULL; 268} 269 270 271/** 272 * Prior to context destruction, this function unbinds all state objects. 273 */ 274void cso_release_all( struct cso_context *ctx ) 275{ 276 unsigned i; 277 struct sampler_info *info; 278 279 if (ctx->pipe) { 280 ctx->pipe->bind_blend_state( ctx->pipe, NULL ); 281 ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL ); 282 ctx->pipe->bind_fragment_sampler_states( ctx->pipe, 0, NULL ); 283 if (ctx->pipe->bind_vertex_sampler_states) 284 ctx->pipe->bind_vertex_sampler_states(ctx->pipe, 0, NULL); 285 ctx->pipe->bind_depth_stencil_alpha_state( ctx->pipe, NULL ); 286 ctx->pipe->bind_fs_state( ctx->pipe, NULL ); 287 ctx->pipe->bind_vs_state( ctx->pipe, NULL ); 288 ctx->pipe->bind_vertex_elements_state( ctx->pipe, NULL ); 289 ctx->pipe->set_fragment_sampler_views(ctx->pipe, 0, NULL); 290 if (ctx->pipe->set_vertex_sampler_views) 291 ctx->pipe->set_vertex_sampler_views(ctx->pipe, 0, NULL); 292 if (ctx->pipe->set_stream_output_targets) 293 ctx->pipe->set_stream_output_targets(ctx->pipe, 0, NULL, 0); 294 } 295 296 /* free fragment samplers, views */ 297 info = &ctx->fragment_samplers; 298 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { 299 pipe_sampler_view_reference(&info->views[i], NULL); 300 pipe_sampler_view_reference(&info->views_saved[i], NULL); 301 } 302 303 /* free vertex samplers, views */ 304 info = &ctx->vertex_samplers; 305 for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { 306 pipe_sampler_view_reference(&info->views[i], NULL); 307 pipe_sampler_view_reference(&info->views_saved[i], NULL); 308 } 309 310 util_unreference_framebuffer_state(&ctx->fb); 311 util_unreference_framebuffer_state(&ctx->fb_saved); 312 313 util_copy_vertex_buffers(ctx->vertex_buffers, 314 &ctx->nr_vertex_buffers, 315 NULL, 0); 316 util_copy_vertex_buffers(ctx->vertex_buffers_saved, 317 &ctx->nr_vertex_buffers_saved, 318 NULL, 0); 319 320 for (i = 0; i < PIPE_MAX_SO_BUFFERS; i++) { 321 pipe_so_target_reference(&ctx->so_targets[i], NULL); 322 pipe_so_target_reference(&ctx->so_targets_saved[i], NULL); 323 } 324 325 if (ctx->cache) { 326 cso_cache_delete( ctx->cache ); 327 ctx->cache = NULL; 328 } 329} 330 331 332/** 333 * Free the CSO context. NOTE: the state tracker should have previously called 334 * cso_release_all(). 335 */ 336void cso_destroy_context( struct cso_context *ctx ) 337{ 338 if (ctx) { 339 FREE( ctx ); 340 } 341} 342 343 344/* Those function will either find the state of the given template 345 * in the cache or they will create a new state from the given 346 * template, insert it in the cache and return it. 347 */ 348 349/* 350 * If the driver returns 0 from the create method then they will assign 351 * the data member of the cso to be the template itself. 352 */ 353 354enum pipe_error cso_set_blend(struct cso_context *ctx, 355 const struct pipe_blend_state *templ) 356{ 357 unsigned key_size, hash_key; 358 struct cso_hash_iter iter; 359 void *handle; 360 361 key_size = templ->independent_blend_enable ? sizeof(struct pipe_blend_state) : 362 (char *)&(templ->rt[1]) - (char *)templ; 363 hash_key = cso_construct_key((void*)templ, key_size); 364 iter = cso_find_state_template(ctx->cache, hash_key, CSO_BLEND, (void*)templ, key_size); 365 366 if (cso_hash_iter_is_null(iter)) { 367 struct cso_blend *cso = MALLOC(sizeof(struct cso_blend)); 368 if (!cso) 369 return PIPE_ERROR_OUT_OF_MEMORY; 370 371 memset(&cso->state, 0, sizeof cso->state); 372 memcpy(&cso->state, templ, key_size); 373 cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state); 374 cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state; 375 cso->context = ctx->pipe; 376 377 iter = cso_insert_state(ctx->cache, hash_key, CSO_BLEND, cso); 378 if (cso_hash_iter_is_null(iter)) { 379 FREE(cso); 380 return PIPE_ERROR_OUT_OF_MEMORY; 381 } 382 383 handle = cso->data; 384 } 385 else { 386 handle = ((struct cso_blend *)cso_hash_iter_data(iter))->data; 387 } 388 389 if (ctx->blend != handle) { 390 ctx->blend = handle; 391 ctx->pipe->bind_blend_state(ctx->pipe, handle); 392 } 393 return PIPE_OK; 394} 395 396void cso_save_blend(struct cso_context *ctx) 397{ 398 assert(!ctx->blend_saved); 399 ctx->blend_saved = ctx->blend; 400} 401 402void cso_restore_blend(struct cso_context *ctx) 403{ 404 if (ctx->blend != ctx->blend_saved) { 405 ctx->blend = ctx->blend_saved; 406 ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend_saved); 407 } 408 ctx->blend_saved = NULL; 409} 410 411 412 413enum pipe_error cso_set_depth_stencil_alpha(struct cso_context *ctx, 414 const struct pipe_depth_stencil_alpha_state *templ) 415{ 416 unsigned key_size = sizeof(struct pipe_depth_stencil_alpha_state); 417 unsigned hash_key = cso_construct_key((void*)templ, key_size); 418 struct cso_hash_iter iter = cso_find_state_template(ctx->cache, 419 hash_key, 420 CSO_DEPTH_STENCIL_ALPHA, 421 (void*)templ, key_size); 422 void *handle; 423 424 if (cso_hash_iter_is_null(iter)) { 425 struct cso_depth_stencil_alpha *cso = MALLOC(sizeof(struct cso_depth_stencil_alpha)); 426 if (!cso) 427 return PIPE_ERROR_OUT_OF_MEMORY; 428 429 memcpy(&cso->state, templ, sizeof(*templ)); 430 cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &cso->state); 431 cso->delete_state = (cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state; 432 cso->context = ctx->pipe; 433 434 iter = cso_insert_state(ctx->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso); 435 if (cso_hash_iter_is_null(iter)) { 436 FREE(cso); 437 return PIPE_ERROR_OUT_OF_MEMORY; 438 } 439 440 handle = cso->data; 441 } 442 else { 443 handle = ((struct cso_depth_stencil_alpha *)cso_hash_iter_data(iter))->data; 444 } 445 446 if (ctx->depth_stencil != handle) { 447 ctx->depth_stencil = handle; 448 ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, handle); 449 } 450 return PIPE_OK; 451} 452 453void cso_save_depth_stencil_alpha(struct cso_context *ctx) 454{ 455 assert(!ctx->depth_stencil_saved); 456 ctx->depth_stencil_saved = ctx->depth_stencil; 457} 458 459void cso_restore_depth_stencil_alpha(struct cso_context *ctx) 460{ 461 if (ctx->depth_stencil != ctx->depth_stencil_saved) { 462 ctx->depth_stencil = ctx->depth_stencil_saved; 463 ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->depth_stencil_saved); 464 } 465 ctx->depth_stencil_saved = NULL; 466} 467 468 469 470enum pipe_error cso_set_rasterizer(struct cso_context *ctx, 471 const struct pipe_rasterizer_state *templ) 472{ 473 unsigned key_size = sizeof(struct pipe_rasterizer_state); 474 unsigned hash_key = cso_construct_key((void*)templ, key_size); 475 struct cso_hash_iter iter = cso_find_state_template(ctx->cache, 476 hash_key, CSO_RASTERIZER, 477 (void*)templ, key_size); 478 void *handle = NULL; 479 480 if (cso_hash_iter_is_null(iter)) { 481 struct cso_rasterizer *cso = MALLOC(sizeof(struct cso_rasterizer)); 482 if (!cso) 483 return PIPE_ERROR_OUT_OF_MEMORY; 484 485 memcpy(&cso->state, templ, sizeof(*templ)); 486 cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state); 487 cso->delete_state = (cso_state_callback)ctx->pipe->delete_rasterizer_state; 488 cso->context = ctx->pipe; 489 490 iter = cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso); 491 if (cso_hash_iter_is_null(iter)) { 492 FREE(cso); 493 return PIPE_ERROR_OUT_OF_MEMORY; 494 } 495 496 handle = cso->data; 497 } 498 else { 499 handle = ((struct cso_rasterizer *)cso_hash_iter_data(iter))->data; 500 } 501 502 if (ctx->rasterizer != handle) { 503 ctx->rasterizer = handle; 504 ctx->pipe->bind_rasterizer_state(ctx->pipe, handle); 505 } 506 return PIPE_OK; 507} 508 509void cso_save_rasterizer(struct cso_context *ctx) 510{ 511 assert(!ctx->rasterizer_saved); 512 ctx->rasterizer_saved = ctx->rasterizer; 513} 514 515void cso_restore_rasterizer(struct cso_context *ctx) 516{ 517 if (ctx->rasterizer != ctx->rasterizer_saved) { 518 ctx->rasterizer = ctx->rasterizer_saved; 519 ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rasterizer_saved); 520 } 521 ctx->rasterizer_saved = NULL; 522} 523 524 525 526enum pipe_error cso_set_fragment_shader_handle(struct cso_context *ctx, 527 void *handle ) 528{ 529 if (ctx->fragment_shader != handle) { 530 ctx->fragment_shader = handle; 531 ctx->pipe->bind_fs_state(ctx->pipe, handle); 532 } 533 return PIPE_OK; 534} 535 536void cso_delete_fragment_shader(struct cso_context *ctx, void *handle ) 537{ 538 if (handle == ctx->fragment_shader) { 539 /* unbind before deleting */ 540 ctx->pipe->bind_fs_state(ctx->pipe, NULL); 541 ctx->fragment_shader = NULL; 542 } 543 ctx->pipe->delete_fs_state(ctx->pipe, handle); 544} 545 546void cso_save_fragment_shader(struct cso_context *ctx) 547{ 548 assert(!ctx->fragment_shader_saved); 549 ctx->fragment_shader_saved = ctx->fragment_shader; 550} 551 552void cso_restore_fragment_shader(struct cso_context *ctx) 553{ 554 if (ctx->fragment_shader_saved != ctx->fragment_shader) { 555 ctx->pipe->bind_fs_state(ctx->pipe, ctx->fragment_shader_saved); 556 ctx->fragment_shader = ctx->fragment_shader_saved; 557 } 558 ctx->fragment_shader_saved = NULL; 559} 560 561 562enum pipe_error cso_set_vertex_shader_handle(struct cso_context *ctx, 563 void *handle ) 564{ 565 if (ctx->vertex_shader != handle) { 566 ctx->vertex_shader = handle; 567 ctx->pipe->bind_vs_state(ctx->pipe, handle); 568 } 569 return PIPE_OK; 570} 571 572void cso_delete_vertex_shader(struct cso_context *ctx, void *handle ) 573{ 574 if (handle == ctx->vertex_shader) { 575 /* unbind before deleting */ 576 ctx->pipe->bind_vs_state(ctx->pipe, NULL); 577 ctx->vertex_shader = NULL; 578 } 579 ctx->pipe->delete_vs_state(ctx->pipe, handle); 580} 581 582void cso_save_vertex_shader(struct cso_context *ctx) 583{ 584 assert(!ctx->vertex_shader_saved); 585 ctx->vertex_shader_saved = ctx->vertex_shader; 586} 587 588void cso_restore_vertex_shader(struct cso_context *ctx) 589{ 590 if (ctx->vertex_shader_saved != ctx->vertex_shader) { 591 ctx->pipe->bind_vs_state(ctx->pipe, ctx->vertex_shader_saved); 592 ctx->vertex_shader = ctx->vertex_shader_saved; 593 } 594 ctx->vertex_shader_saved = NULL; 595} 596 597 598enum pipe_error cso_set_framebuffer(struct cso_context *ctx, 599 const struct pipe_framebuffer_state *fb) 600{ 601 if (memcmp(&ctx->fb, fb, sizeof(*fb)) != 0) { 602 util_copy_framebuffer_state(&ctx->fb, fb); 603 ctx->pipe->set_framebuffer_state(ctx->pipe, fb); 604 } 605 return PIPE_OK; 606} 607 608void cso_save_framebuffer(struct cso_context *ctx) 609{ 610 util_copy_framebuffer_state(&ctx->fb_saved, &ctx->fb); 611} 612 613void cso_restore_framebuffer(struct cso_context *ctx) 614{ 615 if (memcmp(&ctx->fb, &ctx->fb_saved, sizeof(ctx->fb))) { 616 util_copy_framebuffer_state(&ctx->fb, &ctx->fb_saved); 617 ctx->pipe->set_framebuffer_state(ctx->pipe, &ctx->fb); 618 util_unreference_framebuffer_state(&ctx->fb_saved); 619 } 620} 621 622 623enum pipe_error cso_set_viewport(struct cso_context *ctx, 624 const struct pipe_viewport_state *vp) 625{ 626 if (memcmp(&ctx->vp, vp, sizeof(*vp))) { 627 ctx->vp = *vp; 628 ctx->pipe->set_viewport_state(ctx->pipe, vp); 629 } 630 return PIPE_OK; 631} 632 633void cso_save_viewport(struct cso_context *ctx) 634{ 635 ctx->vp_saved = ctx->vp; 636} 637 638 639void cso_restore_viewport(struct cso_context *ctx) 640{ 641 if (memcmp(&ctx->vp, &ctx->vp_saved, sizeof(ctx->vp))) { 642 ctx->vp = ctx->vp_saved; 643 ctx->pipe->set_viewport_state(ctx->pipe, &ctx->vp); 644 } 645} 646 647 648enum pipe_error cso_set_blend_color(struct cso_context *ctx, 649 const struct pipe_blend_color *bc) 650{ 651 if (memcmp(&ctx->blend_color, bc, sizeof(ctx->blend_color))) { 652 ctx->blend_color = *bc; 653 ctx->pipe->set_blend_color(ctx->pipe, bc); 654 } 655 return PIPE_OK; 656} 657 658enum pipe_error cso_set_sample_mask(struct cso_context *ctx, 659 unsigned sample_mask) 660{ 661 if (ctx->sample_mask != sample_mask) { 662 ctx->sample_mask = sample_mask; 663 ctx->pipe->set_sample_mask(ctx->pipe, sample_mask); 664 } 665 return PIPE_OK; 666} 667 668enum pipe_error cso_set_stencil_ref(struct cso_context *ctx, 669 const struct pipe_stencil_ref *sr) 670{ 671 if (memcmp(&ctx->stencil_ref, sr, sizeof(ctx->stencil_ref))) { 672 ctx->stencil_ref = *sr; 673 ctx->pipe->set_stencil_ref(ctx->pipe, sr); 674 } 675 return PIPE_OK; 676} 677 678void cso_save_stencil_ref(struct cso_context *ctx) 679{ 680 ctx->stencil_ref_saved = ctx->stencil_ref; 681} 682 683 684void cso_restore_stencil_ref(struct cso_context *ctx) 685{ 686 if (memcmp(&ctx->stencil_ref, &ctx->stencil_ref_saved, sizeof(ctx->stencil_ref))) { 687 ctx->stencil_ref = ctx->stencil_ref_saved; 688 ctx->pipe->set_stencil_ref(ctx->pipe, &ctx->stencil_ref); 689 } 690} 691 692enum pipe_error cso_set_geometry_shader_handle(struct cso_context *ctx, 693 void *handle) 694{ 695 assert(ctx->has_geometry_shader || !handle); 696 697 if (ctx->has_geometry_shader && ctx->geometry_shader != handle) { 698 ctx->geometry_shader = handle; 699 ctx->pipe->bind_gs_state(ctx->pipe, handle); 700 } 701 return PIPE_OK; 702} 703 704void cso_delete_geometry_shader(struct cso_context *ctx, void *handle) 705{ 706 if (handle == ctx->geometry_shader) { 707 /* unbind before deleting */ 708 ctx->pipe->bind_gs_state(ctx->pipe, NULL); 709 ctx->geometry_shader = NULL; 710 } 711 ctx->pipe->delete_gs_state(ctx->pipe, handle); 712} 713 714void cso_save_geometry_shader(struct cso_context *ctx) 715{ 716 if (!ctx->has_geometry_shader) { 717 return; 718 } 719 720 assert(!ctx->geometry_shader_saved); 721 ctx->geometry_shader_saved = ctx->geometry_shader; 722} 723 724void cso_restore_geometry_shader(struct cso_context *ctx) 725{ 726 if (!ctx->has_geometry_shader) { 727 return; 728 } 729 730 if (ctx->geometry_shader_saved != ctx->geometry_shader) { 731 ctx->pipe->bind_gs_state(ctx->pipe, ctx->geometry_shader_saved); 732 ctx->geometry_shader = ctx->geometry_shader_saved; 733 } 734 ctx->geometry_shader_saved = NULL; 735} 736 737/* clip state */ 738 739static INLINE void 740clip_state_cpy(struct pipe_clip_state *dst, 741 const struct pipe_clip_state *src) 742{ 743 memcpy(dst->ucp, src->ucp, sizeof(dst->ucp)); 744} 745 746static INLINE int 747clip_state_cmp(const struct pipe_clip_state *a, 748 const struct pipe_clip_state *b) 749{ 750 return memcmp(a->ucp, b->ucp, sizeof(a->ucp)); 751} 752 753void 754cso_set_clip(struct cso_context *ctx, 755 const struct pipe_clip_state *clip) 756{ 757 if (clip_state_cmp(&ctx->clip, clip)) { 758 clip_state_cpy(&ctx->clip, clip); 759 ctx->pipe->set_clip_state(ctx->pipe, clip); 760 } 761} 762 763void 764cso_save_clip(struct cso_context *ctx) 765{ 766 clip_state_cpy(&ctx->clip_saved, &ctx->clip); 767} 768 769void 770cso_restore_clip(struct cso_context *ctx) 771{ 772 if (clip_state_cmp(&ctx->clip, &ctx->clip_saved)) { 773 clip_state_cpy(&ctx->clip, &ctx->clip_saved); 774 ctx->pipe->set_clip_state(ctx->pipe, &ctx->clip_saved); 775 } 776} 777 778enum pipe_error cso_set_vertex_elements(struct cso_context *ctx, 779 unsigned count, 780 const struct pipe_vertex_element *states) 781{ 782 unsigned key_size, hash_key; 783 struct cso_hash_iter iter; 784 void *handle; 785 struct cso_velems_state velems_state; 786 787 /* need to include the count into the stored state data too. 788 Otherwise first few count pipe_vertex_elements could be identical even if count 789 is different, and there's no guarantee the hash would be different in that 790 case neither */ 791 key_size = sizeof(struct pipe_vertex_element) * count + sizeof(unsigned); 792 velems_state.count = count; 793 memcpy(velems_state.velems, states, sizeof(struct pipe_vertex_element) * count); 794 hash_key = cso_construct_key((void*)&velems_state, key_size); 795 iter = cso_find_state_template(ctx->cache, hash_key, CSO_VELEMENTS, (void*)&velems_state, key_size); 796 797 if (cso_hash_iter_is_null(iter)) { 798 struct cso_velements *cso = MALLOC(sizeof(struct cso_velements)); 799 if (!cso) 800 return PIPE_ERROR_OUT_OF_MEMORY; 801 802 memcpy(&cso->state, &velems_state, key_size); 803 cso->data = ctx->pipe->create_vertex_elements_state(ctx->pipe, count, &cso->state.velems[0]); 804 cso->delete_state = (cso_state_callback)ctx->pipe->delete_vertex_elements_state; 805 cso->context = ctx->pipe; 806 807 iter = cso_insert_state(ctx->cache, hash_key, CSO_VELEMENTS, cso); 808 if (cso_hash_iter_is_null(iter)) { 809 FREE(cso); 810 return PIPE_ERROR_OUT_OF_MEMORY; 811 } 812 813 handle = cso->data; 814 } 815 else { 816 handle = ((struct cso_velements *)cso_hash_iter_data(iter))->data; 817 } 818 819 if (ctx->velements != handle) { 820 ctx->velements = handle; 821 ctx->pipe->bind_vertex_elements_state(ctx->pipe, handle); 822 } 823 return PIPE_OK; 824} 825 826void cso_save_vertex_elements(struct cso_context *ctx) 827{ 828 assert(!ctx->velements_saved); 829 ctx->velements_saved = ctx->velements; 830} 831 832void cso_restore_vertex_elements(struct cso_context *ctx) 833{ 834 if (ctx->velements != ctx->velements_saved) { 835 ctx->velements = ctx->velements_saved; 836 ctx->pipe->bind_vertex_elements_state(ctx->pipe, ctx->velements_saved); 837 } 838 ctx->velements_saved = NULL; 839} 840 841/* vertex buffers */ 842 843void cso_set_vertex_buffers(struct cso_context *ctx, 844 unsigned count, 845 const struct pipe_vertex_buffer *buffers) 846{ 847 if (count != ctx->nr_vertex_buffers || 848 memcmp(buffers, ctx->vertex_buffers, 849 sizeof(struct pipe_vertex_buffer) * count) != 0) { 850 util_copy_vertex_buffers(ctx->vertex_buffers, &ctx->nr_vertex_buffers, 851 buffers, count); 852 ctx->pipe->set_vertex_buffers(ctx->pipe, count, buffers); 853 } 854} 855 856void cso_save_vertex_buffers(struct cso_context *ctx) 857{ 858 util_copy_vertex_buffers(ctx->vertex_buffers_saved, 859 &ctx->nr_vertex_buffers_saved, 860 ctx->vertex_buffers, 861 ctx->nr_vertex_buffers); 862} 863 864void cso_restore_vertex_buffers(struct cso_context *ctx) 865{ 866 util_copy_vertex_buffers(ctx->vertex_buffers, 867 &ctx->nr_vertex_buffers, 868 ctx->vertex_buffers_saved, 869 ctx->nr_vertex_buffers_saved); 870 ctx->pipe->set_vertex_buffers(ctx->pipe, ctx->nr_vertex_buffers, 871 ctx->vertex_buffers); 872} 873 874 875/**************** fragment/vertex sampler view state *************************/ 876 877static enum pipe_error 878single_sampler(struct cso_context *ctx, 879 struct sampler_info *info, 880 unsigned idx, 881 const struct pipe_sampler_state *templ) 882{ 883 void *handle = NULL; 884 885 if (templ != NULL) { 886 unsigned key_size = sizeof(struct pipe_sampler_state); 887 unsigned hash_key = cso_construct_key((void*)templ, key_size); 888 struct cso_hash_iter iter = 889 cso_find_state_template(ctx->cache, 890 hash_key, CSO_SAMPLER, 891 (void *) templ, key_size); 892 893 if (cso_hash_iter_is_null(iter)) { 894 struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler)); 895 if (!cso) 896 return PIPE_ERROR_OUT_OF_MEMORY; 897 898 memcpy(&cso->state, templ, sizeof(*templ)); 899 cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state); 900 cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state; 901 cso->context = ctx->pipe; 902 903 iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso); 904 if (cso_hash_iter_is_null(iter)) { 905 FREE(cso); 906 return PIPE_ERROR_OUT_OF_MEMORY; 907 } 908 909 handle = cso->data; 910 } 911 else { 912 handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data; 913 } 914 } 915 916 info->samplers[idx] = handle; 917 918 return PIPE_OK; 919} 920 921enum pipe_error 922cso_single_sampler(struct cso_context *ctx, 923 unsigned idx, 924 const struct pipe_sampler_state *templ) 925{ 926 return single_sampler(ctx, &ctx->fragment_samplers, idx, templ); 927} 928 929enum pipe_error 930cso_single_vertex_sampler(struct cso_context *ctx, 931 unsigned idx, 932 const struct pipe_sampler_state *templ) 933{ 934 return single_sampler(ctx, &ctx->vertex_samplers, idx, templ); 935} 936 937 938 939static void 940single_sampler_done(struct cso_context *ctx, 941 struct sampler_info *info) 942{ 943 unsigned i; 944 945 /* find highest non-null sampler */ 946 for (i = PIPE_MAX_SAMPLERS; i > 0; i--) { 947 if (info->samplers[i - 1] != NULL) 948 break; 949 } 950 951 info->nr_samplers = i; 952 953 if (info->hw.nr_samplers != info->nr_samplers || 954 memcmp(info->hw.samplers, 955 info->samplers, 956 info->nr_samplers * sizeof(void *)) != 0) 957 { 958 memcpy(info->hw.samplers, 959 info->samplers, 960 info->nr_samplers * sizeof(void *)); 961 info->hw.nr_samplers = info->nr_samplers; 962 963 if (info == &ctx->fragment_samplers) { 964 ctx->pipe->bind_fragment_sampler_states(ctx->pipe, 965 info->nr_samplers, 966 info->samplers); 967 } 968 else if (info == &ctx->vertex_samplers) { 969 ctx->pipe->bind_vertex_sampler_states(ctx->pipe, 970 info->nr_samplers, 971 info->samplers); 972 } 973 else { 974 assert(0); 975 } 976 } 977} 978 979void 980cso_single_sampler_done( struct cso_context *ctx ) 981{ 982 single_sampler_done(ctx, &ctx->fragment_samplers); 983} 984 985void 986cso_single_vertex_sampler_done(struct cso_context *ctx) 987{ 988 single_sampler_done(ctx, &ctx->vertex_samplers); 989} 990 991 992/* 993 * If the function encouters any errors it will return the 994 * last one. Done to always try to set as many samplers 995 * as possible. 996 */ 997static enum pipe_error 998set_samplers(struct cso_context *ctx, 999 struct sampler_info *info, 1000 unsigned nr, 1001 const struct pipe_sampler_state **templates) 1002{ 1003 unsigned i; 1004 enum pipe_error temp, error = PIPE_OK; 1005 1006 /* TODO: fastpath 1007 */ 1008 1009 for (i = 0; i < nr; i++) { 1010 temp = single_sampler(ctx, info, i, templates[i]); 1011 if (temp != PIPE_OK) 1012 error = temp; 1013 } 1014 1015 for ( ; i < info->nr_samplers; i++) { 1016 temp = single_sampler(ctx, info, i, NULL); 1017 if (temp != PIPE_OK) 1018 error = temp; 1019 } 1020 1021 single_sampler_done(ctx, info); 1022 1023 return error; 1024} 1025 1026enum pipe_error 1027cso_set_samplers(struct cso_context *ctx, 1028 unsigned nr, 1029 const struct pipe_sampler_state **templates) 1030{ 1031 return set_samplers(ctx, &ctx->fragment_samplers, nr, templates); 1032} 1033 1034enum pipe_error 1035cso_set_vertex_samplers(struct cso_context *ctx, 1036 unsigned nr, 1037 const struct pipe_sampler_state **templates) 1038{ 1039 return set_samplers(ctx, &ctx->vertex_samplers, nr, templates); 1040} 1041 1042 1043 1044static void 1045save_samplers(struct cso_context *ctx, struct sampler_info *info) 1046{ 1047 info->nr_samplers_saved = info->nr_samplers; 1048 memcpy(info->samplers_saved, info->samplers, sizeof(info->samplers)); 1049} 1050 1051void 1052cso_save_samplers(struct cso_context *ctx) 1053{ 1054 save_samplers(ctx, &ctx->fragment_samplers); 1055} 1056 1057void 1058cso_save_vertex_samplers(struct cso_context *ctx) 1059{ 1060 save_samplers(ctx, &ctx->vertex_samplers); 1061} 1062 1063 1064 1065static void 1066restore_samplers(struct cso_context *ctx, struct sampler_info *info) 1067{ 1068 info->nr_samplers = info->nr_samplers_saved; 1069 memcpy(info->samplers, info->samplers_saved, sizeof(info->samplers)); 1070 single_sampler_done(ctx, info); 1071} 1072 1073void 1074cso_restore_samplers(struct cso_context *ctx) 1075{ 1076 restore_samplers(ctx, &ctx->fragment_samplers); 1077} 1078 1079void 1080cso_restore_vertex_samplers(struct cso_context *ctx) 1081{ 1082 restore_samplers(ctx, &ctx->vertex_samplers); 1083} 1084 1085 1086 1087static void 1088set_sampler_views(struct cso_context *ctx, 1089 struct sampler_info *info, 1090 void (*set_views)(struct pipe_context *, 1091 unsigned num_views, 1092 struct pipe_sampler_view **), 1093 uint count, 1094 struct pipe_sampler_view **views) 1095{ 1096 uint i; 1097 1098 /* reference new views */ 1099 for (i = 0; i < count; i++) { 1100 pipe_sampler_view_reference(&info->views[i], views[i]); 1101 } 1102 /* unref extra old views, if any */ 1103 for (; i < info->nr_views; i++) { 1104 pipe_sampler_view_reference(&info->views[i], NULL); 1105 } 1106 1107 info->nr_views = count; 1108 1109 /* bind the new sampler views */ 1110 set_views(ctx->pipe, count, info->views); 1111} 1112 1113void 1114cso_set_fragment_sampler_views(struct cso_context *ctx, 1115 uint count, 1116 struct pipe_sampler_view **views) 1117{ 1118 set_sampler_views(ctx, &ctx->fragment_samplers, 1119 ctx->pipe->set_fragment_sampler_views, 1120 count, views); 1121} 1122 1123void 1124cso_set_vertex_sampler_views(struct cso_context *ctx, 1125 uint count, 1126 struct pipe_sampler_view **views) 1127{ 1128 set_sampler_views(ctx, &ctx->vertex_samplers, 1129 ctx->pipe->set_vertex_sampler_views, 1130 count, views); 1131} 1132 1133 1134 1135static void 1136save_sampler_views(struct cso_context *ctx, 1137 struct sampler_info *info) 1138{ 1139 uint i; 1140 1141 info->nr_views_saved = info->nr_views; 1142 1143 for (i = 0; i < info->nr_views; i++) { 1144 assert(!info->views_saved[i]); 1145 pipe_sampler_view_reference(&info->views_saved[i], info->views[i]); 1146 } 1147} 1148 1149void 1150cso_save_fragment_sampler_views(struct cso_context *ctx) 1151{ 1152 save_sampler_views(ctx, &ctx->fragment_samplers); 1153} 1154 1155void 1156cso_save_vertex_sampler_views(struct cso_context *ctx) 1157{ 1158 save_sampler_views(ctx, &ctx->vertex_samplers); 1159} 1160 1161 1162static void 1163restore_sampler_views(struct cso_context *ctx, 1164 struct sampler_info *info, 1165 void (*set_views)(struct pipe_context *, 1166 unsigned num_views, 1167 struct pipe_sampler_view **)) 1168{ 1169 uint i; 1170 1171 for (i = 0; i < info->nr_views_saved; i++) { 1172 pipe_sampler_view_reference(&info->views[i], NULL); 1173 /* move the reference from one pointer to another */ 1174 info->views[i] = info->views_saved[i]; 1175 info->views_saved[i] = NULL; 1176 } 1177 for (; i < info->nr_views; i++) { 1178 pipe_sampler_view_reference(&info->views[i], NULL); 1179 } 1180 1181 /* bind the old/saved sampler views */ 1182 set_views(ctx->pipe, info->nr_views_saved, info->views); 1183 1184 info->nr_views = info->nr_views_saved; 1185 info->nr_views_saved = 0; 1186} 1187 1188void 1189cso_restore_fragment_sampler_views(struct cso_context *ctx) 1190{ 1191 restore_sampler_views(ctx, &ctx->fragment_samplers, 1192 ctx->pipe->set_fragment_sampler_views); 1193} 1194 1195void 1196cso_restore_vertex_sampler_views(struct cso_context *ctx) 1197{ 1198 restore_sampler_views(ctx, &ctx->vertex_samplers, 1199 ctx->pipe->set_vertex_sampler_views); 1200} 1201 1202 1203void 1204cso_set_stream_outputs(struct cso_context *ctx, 1205 unsigned num_targets, 1206 struct pipe_stream_output_target **targets, 1207 unsigned append_bitmask) 1208{ 1209 struct pipe_context *pipe = ctx->pipe; 1210 uint i; 1211 1212 if (!ctx->has_streamout) { 1213 assert(num_targets == 0); 1214 return; 1215 } 1216 1217 if (ctx->nr_so_targets == 0 && num_targets == 0) { 1218 /* Nothing to do. */ 1219 return; 1220 } 1221 1222 /* reference new targets */ 1223 for (i = 0; i < num_targets; i++) { 1224 pipe_so_target_reference(&ctx->so_targets[i], targets[i]); 1225 } 1226 /* unref extra old targets, if any */ 1227 for (; i < ctx->nr_so_targets; i++) { 1228 pipe_so_target_reference(&ctx->so_targets[i], NULL); 1229 } 1230 1231 pipe->set_stream_output_targets(pipe, num_targets, targets, 1232 append_bitmask); 1233 ctx->nr_so_targets = num_targets; 1234} 1235 1236void 1237cso_save_stream_outputs(struct cso_context *ctx) 1238{ 1239 uint i; 1240 1241 if (!ctx->has_streamout) { 1242 return; 1243 } 1244 1245 ctx->nr_so_targets_saved = ctx->nr_so_targets; 1246 1247 for (i = 0; i < ctx->nr_so_targets; i++) { 1248 assert(!ctx->so_targets_saved[i]); 1249 pipe_so_target_reference(&ctx->so_targets_saved[i], ctx->so_targets[i]); 1250 } 1251} 1252 1253void 1254cso_restore_stream_outputs(struct cso_context *ctx) 1255{ 1256 struct pipe_context *pipe = ctx->pipe; 1257 uint i; 1258 1259 if (!ctx->has_streamout) { 1260 return; 1261 } 1262 1263 if (ctx->nr_so_targets == 0 && ctx->nr_so_targets_saved == 0) { 1264 /* Nothing to do. */ 1265 return; 1266 } 1267 1268 for (i = 0; i < ctx->nr_so_targets_saved; i++) { 1269 pipe_so_target_reference(&ctx->so_targets[i], NULL); 1270 /* move the reference from one pointer to another */ 1271 ctx->so_targets[i] = ctx->so_targets_saved[i]; 1272 ctx->so_targets_saved[i] = NULL; 1273 } 1274 for (; i < ctx->nr_so_targets; i++) { 1275 pipe_so_target_reference(&ctx->so_targets[i], NULL); 1276 } 1277 1278 /* ~0 means append */ 1279 pipe->set_stream_output_targets(pipe, ctx->nr_so_targets_saved, 1280 ctx->so_targets, ~0); 1281 1282 ctx->nr_so_targets = ctx->nr_so_targets_saved; 1283 ctx->nr_so_targets_saved = 0; 1284} 1285