/************************************************************************** * * Copyright 2009 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include "util/u_inlines.h" #include "util/u_memory.h" #include "id_screen.h" #include "id_objects.h" #include "id_context.h" struct pipe_resource * identity_resource_create(struct identity_screen *id_screen, struct pipe_resource *resource) { struct identity_resource *id_resource; if(!resource) goto error; assert(resource->screen == id_screen->screen); id_resource = CALLOC_STRUCT(identity_resource); if(!id_resource) goto error; memcpy(&id_resource->base, resource, sizeof(struct pipe_resource)); pipe_reference_init(&id_resource->base.reference, 1); id_resource->base.screen = &id_screen->base; id_resource->resource = resource; return &id_resource->base; error: pipe_resource_reference(&resource, NULL); return NULL; } void identity_resource_destroy(struct identity_resource *id_resource) { pipe_resource_reference(&id_resource->resource, NULL); FREE(id_resource); } struct pipe_surface * identity_surface_create(struct identity_resource *id_resource, struct pipe_surface *surface) { struct identity_surface *id_surface; if(!surface) goto error; assert(surface->texture == id_resource->resource); id_surface = CALLOC_STRUCT(identity_surface); if(!id_surface) goto error; memcpy(&id_surface->base, surface, sizeof(struct pipe_surface)); pipe_reference_init(&id_surface->base.reference, 1); id_surface->base.texture = NULL; pipe_resource_reference(&id_surface->base.texture, &id_resource->base); id_surface->surface = surface; return &id_surface->base; error: pipe_surface_reference(&surface, NULL); return NULL; } void identity_surface_destroy(struct identity_surface *id_surface) { pipe_resource_reference(&id_surface->base.texture, NULL); pipe_surface_reference(&id_surface->surface, NULL); FREE(id_surface); } struct pipe_sampler_view * identity_sampler_view_create(struct identity_context *id_context, struct identity_resource *id_resource, struct pipe_sampler_view *view) { struct identity_sampler_view *id_view; if (!view) goto error; assert(view->texture == id_resource->resource); id_view = MALLOC(sizeof(struct identity_sampler_view)); id_view->base = *view; id_view->base.reference.count = 1; id_view->base.texture = NULL; pipe_resource_reference(&id_view->base.texture, id_resource->resource); id_view->base.context = id_context->pipe; return &id_view->base; error: return NULL; } void identity_sampler_view_destroy(struct identity_context *id_context, struct identity_sampler_view *id_view) { pipe_resource_reference(&id_view->base.texture, NULL); id_context->pipe->sampler_view_destroy(id_context->pipe, id_view->sampler_view); FREE(id_view); } struct pipe_transfer * identity_transfer_create(struct identity_context *id_context, struct identity_resource *id_resource, struct pipe_transfer *transfer) { struct identity_transfer *id_transfer; if(!transfer) goto error; assert(transfer->resource == id_resource->resource); id_transfer = CALLOC_STRUCT(identity_transfer); if(!id_transfer) goto error; memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer)); id_transfer->base.resource = NULL; id_transfer->transfer = transfer; pipe_resource_reference(&id_transfer->base.resource, &id_resource->base); assert(id_transfer->base.resource == &id_resource->base); return &id_transfer->base; error: id_context->pipe->transfer_destroy(id_context->pipe, transfer); return NULL; } void identity_transfer_destroy(struct identity_context *id_context, struct identity_transfer *id_transfer) { pipe_resource_reference(&id_transfer->base.resource, NULL); id_transfer->pipe->transfer_destroy(id_context->pipe, id_transfer->transfer); FREE(id_transfer); } 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 
/*
 * Copyright 2014, 2015 Red Hat.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "pipe/p_shader_tokens.h"

#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_format.h"
#include "util/u_transfer.h"
#include "util/u_helpers.h"
#include "util/slab.h"
#include "util/u_upload_mgr.h"
#include "util/u_blitter.h"
#include "tgsi/tgsi_text.h"
#include "indices/u_primconvert.h"

#include "pipebuffer/pb_buffer.h"

#include "virgl_encode.h"
#include "virgl_context.h"
#include "virgl_protocol.h"
#include "virgl_resource.h"
#include "virgl_screen.h"

static uint32_t next_handle;
uint32_t virgl_object_assign_handle(void)
{
   return ++next_handle;
}

static void virgl_buffer_flush(struct virgl_context *vctx,
                              struct virgl_buffer *vbuf)
{
   struct virgl_screen *rs = virgl_screen(vctx->base.screen);
   struct pipe_box box;

   assert(vbuf->on_list);

   box.height = 1;
   box.depth = 1;
   box.y = 0;
   box.z = 0;

   box.x = vbuf->valid_buffer_range.start;
   box.width = MIN2(vbuf->valid_buffer_range.end - vbuf->valid_buffer_range.start, vbuf->base.u.b.width0);

   vctx->num_transfers++;
   rs->vws->transfer_put(rs->vws, vbuf->base.hw_res,
                         &box, 0, 0, box.x, 0);

   util_range_set_empty(&vbuf->valid_buffer_range);
}

static void virgl_attach_res_framebuffer(struct virgl_context *vctx)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct pipe_surface *surf;
   struct virgl_resource *res;
   unsigned i;

   surf = vctx->framebuffer.zsbuf;
   if (surf) {
      res = virgl_resource(surf->texture);
      if (res)
         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
   }
   for (i = 0; i < vctx->framebuffer.nr_cbufs; i++) {
      surf = vctx->framebuffer.cbufs[i];
      if (surf) {
         res = virgl_resource(surf->texture);
         if (res)
            vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
      }
   }
}

static void virgl_attach_res_sampler_views(struct virgl_context *vctx,
                                           enum pipe_shader_type shader_type)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct virgl_textures_info *tinfo = &vctx->samplers[shader_type];
   struct virgl_resource *res;
   uint32_t remaining_mask = tinfo->enabled_mask;
   unsigned i;
   while (remaining_mask) {
      i = u_bit_scan(&remaining_mask);
      assert(tinfo->views[i]);

      res = virgl_resource(tinfo->views[i]->base.texture);
      if (res)
         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
   }
}

static void virgl_attach_res_vertex_buffers(struct virgl_context *vctx)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct virgl_resource *res;
   unsigned i;

   for (i = 0; i < vctx->num_vertex_buffers; i++) {
      res = virgl_resource(vctx->vertex_buffer[i].buffer);
      if (res)
         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
   }
}

static void virgl_attach_res_index_buffer(struct virgl_context *vctx)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct virgl_resource *res;

   res = virgl_resource(vctx->index_buffer.buffer);
   if (res)
      vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}

static void virgl_attach_res_so_targets(struct virgl_context *vctx)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct virgl_resource *res;
   unsigned i;

   for (i = 0; i < vctx->num_so_targets; i++) {
      res = virgl_resource(vctx->so_targets[i].base.buffer);
      if (res)
         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
   }
}

static void virgl_attach_res_uniform_buffers(struct virgl_context *vctx,
                                             enum pipe_shader_type shader_type)
{
   struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
   struct virgl_resource *res;
   unsigned i;
   for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) {
      res = virgl_resource(vctx->ubos[shader_type][i]);
      if (res) {
         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
      }
   }
}

/*
 * after flushing, the hw context still has a bunch of
 * resources bound, so we need to rebind those here.
 */
static void virgl_reemit_res(struct virgl_context *vctx)
{
   enum pipe_shader_type shader_type;

   /* reattach any flushed resources */
   /* framebuffer, sampler views, vertex/index/uniform/stream buffers */
   virgl_attach_res_framebuffer(vctx);

   for (shader_type = 0; shader_type < PIPE_SHADER_TYPES; shader_type++) {
      virgl_attach_res_sampler_views(vctx, shader_type);
      virgl_attach_res_uniform_buffers(vctx, shader_type);
   }
   virgl_attach_res_index_buffer(vctx);
   virgl_attach_res_vertex_buffers(vctx);
   virgl_attach_res_so_targets(vctx);
}

static struct pipe_surface *virgl_create_surface(struct pipe_context *ctx,
                                                struct pipe_resource *resource,
                                                const struct pipe_surface *templ)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_surface *surf;
   struct virgl_resource *res = virgl_resource(resource);
   uint32_t handle;

   surf = CALLOC_STRUCT(virgl_surface);
   if (!surf)
      return NULL;

   res->clean = FALSE;
   handle = virgl_object_assign_handle();
   pipe_reference_init(&surf->base.reference, 1);
   pipe_resource_reference(&surf->base.texture, resource);
   surf->base.context = ctx;
   surf->base.format = templ->format;
   if (resource->target != PIPE_BUFFER) {
      surf->base.width = u_minify(resource->width0, templ->u.tex.level);
      surf->base.height = u_minify(resource->height0, templ->u.tex.level);
      surf->base.u.tex.level = templ->u.tex.level;
      surf->base.u.tex.first_layer = templ->u.tex.first_layer;
      surf->base.u.tex.last_layer = templ->u.tex.last_layer;
   } else {
      surf->base.width = templ->u.buf.last_element - templ->u.buf.first_element + 1;
      surf->base.height = resource->height0;
      surf->base.u.buf.first_element = templ->u.buf.first_element;
      surf->base.u.buf.last_element = templ->u.buf.last_element;
   }
   virgl_encoder_create_surface(vctx, handle, res, &surf->base);
   surf->handle = handle;
   return &surf->base;
}

static void virgl_surface_destroy(struct pipe_context *ctx,
                                 struct pipe_surface *psurf)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_surface *surf = virgl_surface(psurf);

   pipe_resource_reference(&surf->base.texture, NULL);
   virgl_encode_delete_object(vctx, surf->handle, VIRGL_OBJECT_SURFACE);
   FREE(surf);
}

static void *virgl_create_blend_state(struct pipe_context *ctx,
                                              const struct pipe_blend_state *blend_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle;
   handle = virgl_object_assign_handle();

   virgl_encode_blend_state(vctx, handle, blend_state);
   return (void *)(unsigned long)handle;

}

static void virgl_bind_blend_state(struct pipe_context *ctx,
                                           void *blend_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)blend_state;
   virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_BLEND);
}

static void virgl_delete_blend_state(struct pipe_context *ctx,
                                     void *blend_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)blend_state;
   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_BLEND);
}

static void *virgl_create_depth_stencil_alpha_state(struct pipe_context *ctx,
                                                   const struct pipe_depth_stencil_alpha_state *blend_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle;
   handle = virgl_object_assign_handle();

   virgl_encode_dsa_state(vctx, handle, blend_state);
   return (void *)(unsigned long)handle;
}

static void virgl_bind_depth_stencil_alpha_state(struct pipe_context *ctx,
                                                void *blend_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)blend_state;
   virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_DSA);
}

static void virgl_delete_depth_stencil_alpha_state(struct pipe_context *ctx,
                                                  void *dsa_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)dsa_state;
   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_DSA);
}

static void *virgl_create_rasterizer_state(struct pipe_context *ctx,
                                                   const struct pipe_rasterizer_state *rs_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle;
   handle = virgl_object_assign_handle();

   virgl_encode_rasterizer_state(vctx, handle, rs_state);
   return (void *)(unsigned long)handle;
}

static void virgl_bind_rasterizer_state(struct pipe_context *ctx,
                                                void *rs_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)rs_state;

   virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_RASTERIZER);
}

static void virgl_delete_rasterizer_state(struct pipe_context *ctx,
                                         void *rs_state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)rs_state;
   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_RASTERIZER);
}

static void virgl_set_framebuffer_state(struct pipe_context *ctx,
                                                const struct pipe_framebuffer_state *state)
{
   struct virgl_context *vctx = virgl_context(ctx);

   vctx->framebuffer = *state;
   virgl_encoder_set_framebuffer_state(vctx, state);
   virgl_attach_res_framebuffer(vctx);
}

static void virgl_set_viewport_states(struct pipe_context *ctx,
                                     unsigned start_slot,
                                     unsigned num_viewports,
                                     const struct pipe_viewport_state *state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_viewport_states(vctx, start_slot, num_viewports, state);
}

static void *virgl_create_vertex_elements_state(struct pipe_context *ctx,
                                                        unsigned num_elements,
                                                        const struct pipe_vertex_element *elements)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = virgl_object_assign_handle();
   virgl_encoder_create_vertex_elements(vctx, handle,
                                       num_elements, elements);
   return (void*)(unsigned long)handle;

}

static void virgl_delete_vertex_elements_state(struct pipe_context *ctx,
                                              void *ve)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)ve;

   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_VERTEX_ELEMENTS);
}

static void virgl_bind_vertex_elements_state(struct pipe_context *ctx,
                                                     void *ve)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)ve;
   virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_VERTEX_ELEMENTS);
}

static void virgl_set_vertex_buffers(struct pipe_context *ctx,
                                    unsigned start_slot,
                                    unsigned num_buffers,
                                    const struct pipe_vertex_buffer *buffers)
{
   struct virgl_context *vctx = virgl_context(ctx);

   util_set_vertex_buffers_count(vctx->vertex_buffer,
                                 &vctx->num_vertex_buffers,
                                 buffers, start_slot, num_buffers);

   vctx->vertex_array_dirty = TRUE;
}

static void virgl_hw_set_vertex_buffers(struct pipe_context *ctx)
{
   struct virgl_context *vctx = virgl_context(ctx);

   if (vctx->vertex_array_dirty) {
      virgl_encoder_set_vertex_buffers(vctx, vctx->num_vertex_buffers, vctx->vertex_buffer);
      virgl_attach_res_vertex_buffers(vctx);
   }
}

static void virgl_set_stencil_ref(struct pipe_context *ctx,
                                 const struct pipe_stencil_ref *ref)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_stencil_ref(vctx, ref);
}

static void virgl_set_blend_color(struct pipe_context *ctx,
                                 const struct pipe_blend_color *color)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_blend_color(vctx, color);
}

static void virgl_set_index_buffer(struct pipe_context *ctx,
                                  const struct pipe_index_buffer *ib)
{
   struct virgl_context *vctx = virgl_context(ctx);

   if (ib) {
      pipe_resource_reference(&vctx->index_buffer.buffer, ib->buffer);
      memcpy(&vctx->index_buffer, ib, sizeof(*ib));
   } else {
      pipe_resource_reference(&vctx->index_buffer.buffer, NULL);
   }
}

static void virgl_hw_set_index_buffer(struct pipe_context *ctx,
                                     struct pipe_index_buffer *ib)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_index_buffer(vctx, ib);
   virgl_attach_res_index_buffer(vctx);
}

static void virgl_set_constant_buffer(struct pipe_context *ctx,
                                     enum pipe_shader_type shader, uint index,
                                     const struct pipe_constant_buffer *buf)
{
   struct virgl_context *vctx = virgl_context(ctx);

   if (buf) {
      if (!buf->user_buffer){
         struct virgl_resource *res = virgl_resource(buf->buffer);
         virgl_encoder_set_uniform_buffer(vctx, shader, index, buf->buffer_offset,
                                          buf->buffer_size, res);
         pipe_resource_reference(&vctx->ubos[shader][index], buf->buffer);
         return;
      }
      pipe_resource_reference(&vctx->ubos[shader][index], NULL);
      virgl_encoder_write_constant_buffer(vctx, shader, index, buf->buffer_size / 4, buf->user_buffer);
   } else {
      virgl_encoder_write_constant_buffer(vctx, shader, index, 0, NULL);
      pipe_resource_reference(&vctx->ubos[shader][index], NULL);
   }
}

void virgl_transfer_inline_write(struct pipe_context *ctx,
                                struct pipe_resource *res,
                                unsigned level,
                                unsigned usage,
                                const struct pipe_box *box,
                                const void *data,
                                unsigned stride,
                                unsigned layer_stride)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_screen *vs = virgl_screen(ctx->screen);
   struct virgl_resource *grres = virgl_resource(res);
   struct virgl_buffer *vbuf = virgl_buffer(res);

   grres->clean = FALSE;

   if (virgl_res_needs_flush_wait(vctx, &vbuf->base, usage)) {
      ctx->flush(ctx, NULL, 0);

      vs->vws->resource_wait(vs->vws, vbuf->base.hw_res);
   }

   virgl_encoder_inline_write(vctx, grres, level, usage,
                              box, data, stride, layer_stride);
}

static void *virgl_shader_encoder(struct pipe_context *ctx,
                                  const struct pipe_shader_state *shader,
                                  unsigned type)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle;
   struct tgsi_token *new_tokens;
   int ret;

   new_tokens = virgl_tgsi_transform(shader->tokens);
   if (!new_tokens)
      return NULL;

   handle = virgl_object_assign_handle();
   /* encode VS state */
   ret = virgl_encode_shader_state(vctx, handle, type,
                                   &shader->stream_output,
                                   new_tokens);
   if (ret) {
      return NULL;
   }

   FREE(new_tokens);
   return (void *)(unsigned long)handle;

}
static void *virgl_create_vs_state(struct pipe_context *ctx,
                                   const struct pipe_shader_state *shader)
{
   return virgl_shader_encoder(ctx, shader, PIPE_SHADER_VERTEX);
}

static void *virgl_create_gs_state(struct pipe_context *ctx,
                                   const struct pipe_shader_state *shader)
{
   return virgl_shader_encoder(ctx, shader, PIPE_SHADER_GEOMETRY);
}

static void *virgl_create_fs_state(struct pipe_context *ctx,
                                   const struct pipe_shader_state *shader)
{
   return virgl_shader_encoder(ctx, shader, PIPE_SHADER_FRAGMENT);
}

static void
virgl_delete_fs_state(struct pipe_context *ctx,
                     void *fs)
{
   uint32_t handle = (unsigned long)fs;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}

static void
virgl_delete_gs_state(struct pipe_context *ctx,
                     void *gs)
{
   uint32_t handle = (unsigned long)gs;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}

static void
virgl_delete_vs_state(struct pipe_context *ctx,
                     void *vs)
{
   uint32_t handle = (unsigned long)vs;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}

static void virgl_bind_vs_state(struct pipe_context *ctx,
                                        void *vss)
{
   uint32_t handle = (unsigned long)vss;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_VERTEX);
}

static void virgl_bind_gs_state(struct pipe_context *ctx,
                               void *vss)
{
   uint32_t handle = (unsigned long)vss;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_GEOMETRY);
}


static void virgl_bind_fs_state(struct pipe_context *ctx,
                                        void *vss)
{
   uint32_t handle = (unsigned long)vss;
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_FRAGMENT);
}

static void virgl_clear(struct pipe_context *ctx,
                                unsigned buffers,
                                const union pipe_color_union *color,
                                double depth, unsigned stencil)
{
   struct virgl_context *vctx = virgl_context(ctx);

   virgl_encode_clear(vctx, buffers, color, depth, stencil);
}

static void virgl_draw_vbo(struct pipe_context *ctx,
                                   const struct pipe_draw_info *dinfo)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_screen *rs = virgl_screen(ctx->screen);
   struct pipe_index_buffer ib = {};
   struct pipe_draw_info info = *dinfo;

   if (!(rs->caps.caps.v1.prim_mask & (1 << dinfo->mode))) {
      util_primconvert_save_index_buffer(vctx->primconvert, &vctx->index_buffer);
      util_primconvert_draw_vbo(vctx->primconvert, dinfo);
      return;
   }
   if (info.indexed) {
           pipe_resource_reference(&ib.buffer, vctx->index_buffer.buffer);
           ib.user_buffer = vctx->index_buffer.user_buffer;
           ib.index_size = vctx->index_buffer.index_size;
           ib.offset = vctx->index_buffer.offset + info.start * ib.index_size;

           if (ib.user_buffer) {
                   u_upload_data(vctx->uploader, 0, info.count * ib.index_size, 256,
                                 ib.user_buffer, &ib.offset, &ib.buffer);
                   ib.user_buffer = NULL;
           }
   }

   u_upload_unmap(vctx->uploader);

   vctx->num_draws++;
   virgl_hw_set_vertex_buffers(ctx);
   if (info.indexed)
      virgl_hw_set_index_buffer(ctx, &ib);

   virgl_encoder_draw_vbo(vctx, &info);

   pipe_resource_reference(&ib.buffer, NULL);

}

static void virgl_flush_eq(struct virgl_context *ctx, void *closure)
{
   struct virgl_screen *rs = virgl_screen(ctx->base.screen);

   /* send the buffer to the remote side for decoding */
   ctx->num_transfers = ctx->num_draws = 0;
   rs->vws->submit_cmd(rs->vws, ctx->cbuf);

   virgl_encoder_set_sub_ctx(ctx, ctx->hw_sub_ctx_id);

   /* add back current framebuffer resources to reference list? */
   virgl_reemit_res(ctx);
}

static void virgl_flush_from_st(struct pipe_context *ctx,
                               struct pipe_fence_handle **fence,
                               enum pipe_flush_flags flags)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_screen *rs = virgl_screen(ctx->screen);
   struct virgl_buffer *buf, *tmp;

   if (fence)
      *fence = rs->vws->cs_create_fence(rs->vws);

   LIST_FOR_EACH_ENTRY_SAFE(buf, tmp, &vctx->to_flush_bufs, flush_list) {
      struct pipe_resource *res = &buf->base.u.b;
      virgl_buffer_flush(vctx, buf);
      list_del(&buf->flush_list);
      buf->on_list = FALSE;
      pipe_resource_reference(&res, NULL);

   }
   virgl_flush_eq(vctx, vctx);
}

static struct pipe_sampler_view *virgl_create_sampler_view(struct pipe_context *ctx,
                                      struct pipe_resource *texture,
                                      const struct pipe_sampler_view *state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_sampler_view *grview;
   uint32_t handle;
   struct virgl_resource *res;

   if (!state)
      return NULL;

   grview = CALLOC_STRUCT(virgl_sampler_view);
   if (!grview)
      return NULL;

   res = virgl_resource(texture);
   handle = virgl_object_assign_handle();
   virgl_encode_sampler_view(vctx, handle, res, state);

   grview->base = *state;
   grview->base.reference.count = 1;

   grview->base.texture = NULL;
   grview->base.context = ctx;
   pipe_resource_reference(&grview->base.texture, texture);
   grview->handle = handle;
   return &grview->base;
}

static void virgl_set_sampler_views(struct pipe_context *ctx,
                                   enum pipe_shader_type shader_type,
                                   unsigned start_slot,
                                   unsigned num_views,
                                   struct pipe_sampler_view **views)
{
   struct virgl_context *vctx = virgl_context(ctx);
   int i;
   uint32_t disable_mask = ~((1ull << num_views) - 1);
   struct virgl_textures_info *tinfo = &vctx->samplers[shader_type];
   uint32_t new_mask = 0;
   uint32_t remaining_mask;

   remaining_mask = tinfo->enabled_mask & disable_mask;

   while (remaining_mask) {
      i = u_bit_scan(&remaining_mask);
      assert(tinfo->views[i]);

      pipe_sampler_view_reference((struct pipe_sampler_view **)&tinfo->views[i], NULL);
   }

   for (i = 0; i < num_views; i++) {
      struct virgl_sampler_view *grview = virgl_sampler_view(views[i]);

      if (views[i] == (struct pipe_sampler_view *)tinfo->views[i])
         continue;

      if (grview) {
         new_mask |= 1 << i;
         pipe_sampler_view_reference((struct pipe_sampler_view **)&tinfo->views[i], views[i]);
      } else {
         pipe_sampler_view_reference((struct pipe_sampler_view **)&tinfo->views[i], NULL);
         disable_mask |= 1 << i;
      }
   }

   tinfo->enabled_mask &= ~disable_mask;
   tinfo->enabled_mask |= new_mask;
   virgl_encode_set_sampler_views(vctx, shader_type, start_slot, num_views, tinfo->views);
   virgl_attach_res_sampler_views(vctx, shader_type);
}

static void virgl_destroy_sampler_view(struct pipe_context *ctx,
                                 struct pipe_sampler_view *view)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_sampler_view *grview = virgl_sampler_view(view);

   virgl_encode_delete_object(vctx, grview->handle, VIRGL_OBJECT_SAMPLER_VIEW);
   pipe_resource_reference(&view->texture, NULL);
   FREE(view);
}

static void *virgl_create_sampler_state(struct pipe_context *ctx,
                                        const struct pipe_sampler_state *state)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle;

   handle = virgl_object_assign_handle();

   virgl_encode_sampler_state(vctx, handle, state);
   return (void *)(unsigned long)handle;
}

static void virgl_delete_sampler_state(struct pipe_context *ctx,
                                      void *ss)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handle = (unsigned long)ss;

   virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SAMPLER_STATE);
}

static void virgl_bind_sampler_states(struct pipe_context *ctx,
                                     enum pipe_shader_type shader,
                                     unsigned start_slot,
                                     unsigned num_samplers,
                                     void **samplers)
{
   struct virgl_context *vctx = virgl_context(ctx);
   uint32_t handles[32];
   int i;
   for (i = 0; i < num_samplers; i++) {
      handles[i] = (unsigned long)(samplers[i]);
   }
   virgl_encode_bind_sampler_states(vctx, shader, start_slot, num_samplers, handles);
}

static void virgl_set_polygon_stipple(struct pipe_context *ctx,
                                     const struct pipe_poly_stipple *ps)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_polygon_stipple(vctx, ps);
}

static void virgl_set_scissor_states(struct pipe_context *ctx,
                                    unsigned start_slot,
                                    unsigned num_scissor,
                                   const struct pipe_scissor_state *ss)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_scissor_state(vctx, start_slot, num_scissor, ss);
}

static void virgl_set_sample_mask(struct pipe_context *ctx,
                                 unsigned sample_mask)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_sample_mask(vctx, sample_mask);
}

static void virgl_set_clip_state(struct pipe_context *ctx,
                                const struct pipe_clip_state *clip)
{
   struct virgl_context *vctx = virgl_context(ctx);
   virgl_encoder_set_clip_state(vctx, clip);
}

static void virgl_resource_copy_region(struct pipe_context *ctx,
                                      struct pipe_resource *dst,
                                      unsigned dst_level,
                                      unsigned dstx, unsigned dsty, unsigned dstz,
                                      struct pipe_resource *src,
                                      unsigned src_level,
                                      const struct pipe_box *src_box)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_resource *dres = virgl_resource(dst);
   struct virgl_resource *sres = virgl_resource(src);

   dres->clean = FALSE;
   virgl_encode_resource_copy_region(vctx, dres,
                                    dst_level, dstx, dsty, dstz,
                                    sres, src_level,
                                    src_box);
}

static void
virgl_flush_resource(struct pipe_context *pipe,
                    struct pipe_resource *resource)
{
}

static void virgl_blit(struct pipe_context *ctx,
                      const struct pipe_blit_info *blit)
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_resource *dres = virgl_resource(blit->dst.resource);
   struct virgl_resource *sres = virgl_resource(blit->src.resource);

   dres->clean = FALSE;
   virgl_encode_blit(vctx, dres, sres,
                    blit);
}

static void
virgl_context_destroy( struct pipe_context *ctx )
{
   struct virgl_context *vctx = virgl_context(ctx);
   struct virgl_screen *rs = virgl_screen(ctx->screen);

   vctx->framebuffer.zsbuf = NULL;
   vctx->framebuffer.nr_cbufs = 0;
   virgl_encoder_destroy_sub_ctx(vctx, vctx->hw_sub_ctx_id);
   virgl_flush_eq(vctx, vctx);

   rs->vws->cmd_buf_destroy(vctx->cbuf);
   if (vctx->uploader)
      u_upload_destroy(vctx->uploader);
   util_primconvert_destroy(vctx->primconvert);

   slab_destroy_child(&vctx->texture_transfer_pool);
   FREE(vctx);
}

struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
                                          void *priv,
                                          unsigned flags)
{
   struct virgl_context *vctx;
   struct virgl_screen *rs = virgl_screen(pscreen);
   vctx = CALLOC_STRUCT(virgl_context);

   vctx->cbuf = rs->vws->cmd_buf_create(rs->vws);
   if (!vctx->cbuf) {
      FREE(vctx);
      return NULL;
   }

   vctx->base.destroy = virgl_context_destroy;
   vctx->base.create_surface = virgl_create_surface;
   vctx->base.surface_destroy = virgl_surface_destroy;
   vctx->base.set_framebuffer_state = virgl_set_framebuffer_state;
   vctx->base.create_blend_state = virgl_create_blend_state;
   vctx->base.bind_blend_state = virgl_bind_blend_state;
   vctx->base.delete_blend_state = virgl_delete_blend_state;
   vctx->base.create_depth_stencil_alpha_state = virgl_create_depth_stencil_alpha_state;
   vctx->base.bind_depth_stencil_alpha_state = virgl_bind_depth_stencil_alpha_state;
   vctx->base.delete_depth_stencil_alpha_state = virgl_delete_depth_stencil_alpha_state;
   vctx->base.create_rasterizer_state = virgl_create_rasterizer_state;
   vctx->base.bind_rasterizer_state = virgl_bind_rasterizer_state;
   vctx->base.delete_rasterizer_state = virgl_delete_rasterizer_state;

   vctx->base.set_viewport_states = virgl_set_viewport_states;
   vctx->base.create_vertex_elements_state = virgl_create_vertex_elements_state;
   vctx->base.bind_vertex_elements_state = virgl_bind_vertex_elements_state;
   vctx->base.delete_vertex_elements_state = virgl_delete_vertex_elements_state;
   vctx->base.set_vertex_buffers = virgl_set_vertex_buffers;
   vctx->base.set_index_buffer = virgl_set_index_buffer;
   vctx->base.set_constant_buffer = virgl_set_constant_buffer;

   vctx->base.create_vs_state = virgl_create_vs_state;
   vctx->base.create_gs_state = virgl_create_gs_state;
   vctx->base.create_fs_state = virgl_create_fs_state;

   vctx->base.bind_vs_state = virgl_bind_vs_state;
   vctx->base.bind_gs_state = virgl_bind_gs_state;
   vctx->base.bind_fs_state = virgl_bind_fs_state;

   vctx->base.delete_vs_state = virgl_delete_vs_state;
   vctx->base.delete_gs_state = virgl_delete_gs_state;
   vctx->base.delete_fs_state = virgl_delete_fs_state;

   vctx->base.clear = virgl_clear;
   vctx->base.draw_vbo = virgl_draw_vbo;
   vctx->base.flush = virgl_flush_from_st;
   vctx->base.screen = pscreen;
   vctx->base.create_sampler_view = virgl_create_sampler_view;
   vctx->base.sampler_view_destroy = virgl_destroy_sampler_view;
   vctx->base.set_sampler_views = virgl_set_sampler_views;

   vctx->base.create_sampler_state = virgl_create_sampler_state;
   vctx->base.delete_sampler_state = virgl_delete_sampler_state;
   vctx->base.bind_sampler_states = virgl_bind_sampler_states;

   vctx->base.set_polygon_stipple = virgl_set_polygon_stipple;
   vctx->base.set_scissor_states = virgl_set_scissor_states;
   vctx->base.set_sample_mask = virgl_set_sample_mask;
   vctx->base.set_stencil_ref = virgl_set_stencil_ref;
   vctx->base.set_clip_state = virgl_set_clip_state;

   vctx->base.set_blend_color = virgl_set_blend_color;

   vctx->base.resource_copy_region = virgl_resource_copy_region;
   vctx->base.flush_resource = virgl_flush_resource;
   vctx->base.blit =  virgl_blit;

   virgl_init_context_resource_functions(&vctx->base);
   virgl_init_query_functions(vctx);
   virgl_init_so_functions(vctx);

   list_inithead(&vctx->to_flush_bufs);
   slab_create_child(&vctx->texture_transfer_pool, &rs->texture_transfer_pool);

   vctx->primconvert = util_primconvert_create(&vctx->base, rs->caps.caps.v1.prim_mask);
   vctx->uploader = u_upload_create(&vctx->base, 1024 * 1024,
                                     PIPE_BIND_INDEX_BUFFER, PIPE_USAGE_STREAM);
   if (!vctx->uploader)
           goto fail;
   vctx->base.stream_uploader = vctx->uploader;
   vctx->base.const_uploader = vctx->uploader;

   vctx->hw_sub_ctx_id = rs->sub_ctx_id++;
   virgl_encoder_create_sub_ctx(vctx, vctx->hw_sub_ctx_id);

   virgl_encoder_set_sub_ctx(vctx, vctx->hw_sub_ctx_id);
   return &vctx->base;
fail:
   return NULL;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 20:27:10 +0000