src/gallium/drivers/rbug/rbug_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 VMware, Inc.
   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 VMWARE 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 #include "pipe/p_context.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_inlines.h"
  32 #include "util/u_simple_list.h"
  33
  34 #include "rbug/rbug_context.h"
  35
  36 #include "rbug_context.h"
  37 #include "rbug_objects.h"
  38
  39
  40 static void
  41 rbug_destroy(struct pipe_context *_pipe)
  42 {
  43    struct rbug_context *rb_pipe = rbug_context(_pipe);
  44    struct pipe_context *pipe = rb_pipe->pipe;
  45
  46    remove_from_list(&rb_pipe->list);
  47    pipe->destroy(pipe);
  48
  49    FREE(rb_pipe);
  50 }
  51
  52 static void
  53 rbug_draw_block_locked(struct rbug_context *rb_pipe, int flag)
  54 {
  55
  56    if (rb_pipe->draw_blocker & flag) {
  57       rb_pipe->draw_blocked |= flag;
  58    } else if ((rb_pipe->draw_rule.blocker & flag) &&
  59               (rb_pipe->draw_blocker & RBUG_BLOCK_RULE)) {
  60       int k;
  61       boolean block = FALSE;
  62       debug_printf("%s (%p %p) (%p %p) (%p %u) (%p %u)\n", __FUNCTION__,
  63                    (void *) rb_pipe->draw_rule.fs, (void *) rb_pipe->curr.fs,
  64                    (void *) rb_pipe->draw_rule.vs, (void *) rb_pipe->curr.vs,
  65                    (void *) rb_pipe->draw_rule.surf, 0,
  66                    (void *) rb_pipe->draw_rule.texture, 0);
  67       if (rb_pipe->draw_rule.fs &&
  68           rb_pipe->draw_rule.fs == rb_pipe->curr.fs)
  69          block = TRUE;
  70       if (rb_pipe->draw_rule.vs &&
  71           rb_pipe->draw_rule.vs == rb_pipe->curr.vs)
  72          block = TRUE;
  73       if (rb_pipe->draw_rule.surf &&
  74           rb_pipe->draw_rule.surf == rb_pipe->curr.zsbuf)
  75             block = TRUE;
  76       if (rb_pipe->draw_rule.surf)
  77          for (k = 0; k < rb_pipe->curr.nr_cbufs; k++)
  78             if (rb_pipe->draw_rule.surf == rb_pipe->curr.cbufs[k])
  79                block = TRUE;
  80       if (rb_pipe->draw_rule.texture) {
  81          for (k = 0; k < rb_pipe->curr.num_fs_views; k++)
  82             if (rb_pipe->draw_rule.texture == rb_pipe->curr.fs_texs[k])
  83                block = TRUE;
  84          for (k = 0; k < rb_pipe->curr.num_vs_views; k++) {
  85             if (rb_pipe->draw_rule.texture == rb_pipe->curr.vs_texs[k]) {
  86                block = TRUE;
  87             }
  88          }
  89       }
  90
  91       if (block)
  92          rb_pipe->draw_blocked |= (flag | RBUG_BLOCK_RULE);
  93    }
  94
  95    if (rb_pipe->draw_blocked)
  96       rbug_notify_draw_blocked(rb_pipe);
  97
  98    /* wait for rbug to clear the blocked flag */
  99    while (rb_pipe->draw_blocked & flag) {
 100       rb_pipe->draw_blocked |= flag;
 101       pipe_condvar_wait(rb_pipe->draw_cond, rb_pipe->draw_mutex);
 102    }
 103
 104 }
 105
 106 static void
 107 rbug_draw_vbo(struct pipe_context *_pipe, const struct pipe_draw_info *info)
 108 {
 109    struct rbug_context *rb_pipe = rbug_context(_pipe);
 110    struct pipe_context *pipe = rb_pipe->pipe;
 111
 112    pipe_mutex_lock(rb_pipe->draw_mutex);
 113    rbug_draw_block_locked(rb_pipe, RBUG_BLOCK_BEFORE);
 114
 115    pipe->draw_vbo(pipe, info);
 116
 117    rbug_draw_block_locked(rb_pipe, RBUG_BLOCK_AFTER);
 118    pipe_mutex_unlock(rb_pipe->draw_mutex);
 119 }
 120
 121 static struct pipe_query *
 122 rbug_create_query(struct pipe_context *_pipe,
 123                   unsigned query_type)
 124 {
 125    struct rbug_context *rb_pipe = rbug_context(_pipe);
 126    struct pipe_context *pipe = rb_pipe->pipe;
 127
 128    return pipe->create_query(pipe,
 129                              query_type);
 130 }
 131
 132 static void
 133 rbug_destroy_query(struct pipe_context *_pipe,
 134                    struct pipe_query *query)
 135 {
 136    struct rbug_context *rb_pipe = rbug_context(_pipe);
 137    struct pipe_context *pipe = rb_pipe->pipe;
 138
 139    pipe->destroy_query(pipe,
 140                        query);
 141 }
 142
 143 static void
 144 rbug_begin_query(struct pipe_context *_pipe,
 145                  struct pipe_query *query)
 146 {
 147    struct rbug_context *rb_pipe = rbug_context(_pipe);
 148    struct pipe_context *pipe = rb_pipe->pipe;
 149
 150    pipe->begin_query(pipe,
 151                      query);
 152 }
 153
 154 static void
 155 rbug_end_query(struct pipe_context *_pipe,
 156                struct pipe_query *query)
 157 {
 158    struct rbug_context *rb_pipe = rbug_context(_pipe);
 159    struct pipe_context *pipe = rb_pipe->pipe;
 160
 161    pipe->end_query(pipe,
 162                    query);
 163 }
 164
 165 static boolean
 166 rbug_get_query_result(struct pipe_context *_pipe,
 167                       struct pipe_query *query,
 168                       boolean wait,
 169                       void *result)
 170 {
 171    struct rbug_context *rb_pipe = rbug_context(_pipe);
 172    struct pipe_context *pipe = rb_pipe->pipe;
 173
 174    return pipe->get_query_result(pipe,
 175                                  query,
 176                                  wait,
 177                                  result);
 178 }
 179
 180 static void *
 181 rbug_create_blend_state(struct pipe_context *_pipe,
 182                         const struct pipe_blend_state *blend)
 183 {
 184    struct rbug_context *rb_pipe = rbug_context(_pipe);
 185    struct pipe_context *pipe = rb_pipe->pipe;
 186
 187    return pipe->create_blend_state(pipe,
 188                                    blend);
 189 }
 190
 191 static void
 192 rbug_bind_blend_state(struct pipe_context *_pipe,
 193                       void *blend)
 194 {
 195    struct rbug_context *rb_pipe = rbug_context(_pipe);
 196    struct pipe_context *pipe = rb_pipe->pipe;
 197
 198    pipe->bind_blend_state(pipe,
 199                               blend);
 200 }
 201
 202 static void
 203 rbug_delete_blend_state(struct pipe_context *_pipe,
 204                         void *blend)
 205 {
 206    struct rbug_context *rb_pipe = rbug_context(_pipe);
 207    struct pipe_context *pipe = rb_pipe->pipe;
 208
 209    pipe->delete_blend_state(pipe,
 210                             blend);
 211 }
 212
 213 static void *
 214 rbug_create_sampler_state(struct pipe_context *_pipe,
 215                           const struct pipe_sampler_state *sampler)
 216 {
 217    struct rbug_context *rb_pipe = rbug_context(_pipe);
 218    struct pipe_context *pipe = rb_pipe->pipe;
 219
 220    return pipe->create_sampler_state(pipe,
 221                                      sampler);
 222 }
 223
 224 static void
 225 rbug_bind_fragment_sampler_states(struct pipe_context *_pipe,
 226                                   unsigned num_samplers,
 227                                   void **samplers)
 228 {
 229    struct rbug_context *rb_pipe = rbug_context(_pipe);
 230    struct pipe_context *pipe = rb_pipe->pipe;
 231
 232    pipe->bind_fragment_sampler_states(pipe,
 233                                       num_samplers,
 234                                       samplers);
 235 }
 236
 237 static void
 238 rbug_bind_vertex_sampler_states(struct pipe_context *_pipe,
 239                                 unsigned num_samplers,
 240                                 void **samplers)
 241 {
 242    struct rbug_context *rb_pipe = rbug_context(_pipe);
 243    struct pipe_context *pipe = rb_pipe->pipe;
 244
 245    pipe->bind_vertex_sampler_states(pipe,
 246                                     num_samplers,
 247                                     samplers);
 248 }
 249
 250 static void
 251 rbug_delete_sampler_state(struct pipe_context *_pipe,
 252                           void *sampler)
 253 {
 254    struct rbug_context *rb_pipe = rbug_context(_pipe);
 255    struct pipe_context *pipe = rb_pipe->pipe;
 256
 257    pipe->delete_sampler_state(pipe,
 258                               sampler);
 259 }
 260
 261 static void *
 262 rbug_create_rasterizer_state(struct pipe_context *_pipe,
 263                              const struct pipe_rasterizer_state *rasterizer)
 264 {
 265    struct rbug_context *rb_pipe = rbug_context(_pipe);
 266    struct pipe_context *pipe = rb_pipe->pipe;
 267
 268    return pipe->create_rasterizer_state(pipe,
 269                                         rasterizer);
 270 }
 271
 272 static void
 273 rbug_bind_rasterizer_state(struct pipe_context *_pipe,
 274                            void *rasterizer)
 275 {
 276    struct rbug_context *rb_pipe = rbug_context(_pipe);
 277    struct pipe_context *pipe = rb_pipe->pipe;
 278
 279    pipe->bind_rasterizer_state(pipe,
 280                                rasterizer);
 281 }
 282
 283 static void
 284 rbug_delete_rasterizer_state(struct pipe_context *_pipe,
 285                              void *rasterizer)
 286 {
 287    struct rbug_context *rb_pipe = rbug_context(_pipe);
 288    struct pipe_context *pipe = rb_pipe->pipe;
 289
 290    pipe->delete_rasterizer_state(pipe,
 291                                  rasterizer);
 292 }
 293
 294 static void *
 295 rbug_create_depth_stencil_alpha_state(struct pipe_context *_pipe,
 296                                       const struct pipe_depth_stencil_alpha_state *depth_stencil_alpha)
 297 {
 298    struct rbug_context *rb_pipe = rbug_context(_pipe);
 299    struct pipe_context *pipe = rb_pipe->pipe;
 300
 301    return pipe->create_depth_stencil_alpha_state(pipe,
 302                                                  depth_stencil_alpha);
 303 }
 304
 305 static void
 306 rbug_bind_depth_stencil_alpha_state(struct pipe_context *_pipe,
 307                                     void *depth_stencil_alpha)
 308 {
 309    struct rbug_context *rb_pipe = rbug_context(_pipe);
 310    struct pipe_context *pipe = rb_pipe->pipe;
 311
 312    pipe->bind_depth_stencil_alpha_state(pipe,
 313                                         depth_stencil_alpha);
 314 }
 315
 316 static void
 317 rbug_delete_depth_stencil_alpha_state(struct pipe_context *_pipe,
 318                                       void *depth_stencil_alpha)
 319 {
 320    struct rbug_context *rb_pipe = rbug_context(_pipe);
 321    struct pipe_context *pipe = rb_pipe->pipe;
 322
 323    pipe->delete_depth_stencil_alpha_state(pipe,
 324                                           depth_stencil_alpha);
 325 }
 326
 327 static void *
 328 rbug_create_fs_state(struct pipe_context *_pipe,
 329                      const struct pipe_shader_state *state)
 330 {
 331    struct rbug_context *rb_pipe = rbug_context(_pipe);
 332    struct pipe_context *pipe = rb_pipe->pipe;
 333    void *result;
 334
 335    result = pipe->create_fs_state(pipe, state);
 336    if (!result)
 337       return NULL;
 338
 339    return rbug_shader_create(rb_pipe, state, result, RBUG_SHADER_FRAGMENT);
 340 }
 341
 342 static void
 343 rbug_bind_fs_state(struct pipe_context *_pipe,
 344                    void *_fs)
 345 {
 346    struct rbug_context *rb_pipe = rbug_context(_pipe);
 347    struct pipe_context *pipe = rb_pipe->pipe;
 348    void *fs;
 349
 350    fs = rbug_shader_unwrap(_fs);
 351    rb_pipe->curr.fs = rbug_shader(_fs);
 352    pipe->bind_fs_state(pipe,
 353                        fs);
 354 }
 355
 356 static void
 357 rbug_delete_fs_state(struct pipe_context *_pipe,
 358                      void *_fs)
 359 {
 360    struct rbug_context *rb_pipe = rbug_context(_pipe);
 361    struct rbug_shader *rb_shader = rbug_shader(_fs);
 362
 363    rbug_shader_destroy(rb_pipe, rb_shader);
 364 }
 365
 366 static void *
 367 rbug_create_vs_state(struct pipe_context *_pipe,
 368                      const struct pipe_shader_state *state)
 369 {
 370    struct rbug_context *rb_pipe = rbug_context(_pipe);
 371    struct pipe_context *pipe = rb_pipe->pipe;
 372    void *result;
 373
 374    result = pipe->create_vs_state(pipe, state);
 375    if (!result)
 376       return NULL;
 377
 378    return rbug_shader_create(rb_pipe, state, result, RBUG_SHADER_VERTEX);
 379 }
 380
 381 static void
 382 rbug_bind_vs_state(struct pipe_context *_pipe,
 383                    void *_vs)
 384 {
 385    struct rbug_context *rb_pipe = rbug_context(_pipe);
 386    struct pipe_context *pipe = rb_pipe->pipe;
 387    void *vs;
 388
 389    vs = rbug_shader_unwrap(_vs);
 390    rb_pipe->curr.vs = rbug_shader(_vs);
 391    pipe->bind_vs_state(pipe,
 392                        vs);
 393 }
 394
 395 static void
 396 rbug_delete_vs_state(struct pipe_context *_pipe,
 397                      void *_vs)
 398 {
 399    struct rbug_context *rb_pipe = rbug_context(_pipe);
 400    struct rbug_shader *rb_shader = rbug_shader(_vs);
 401
 402    rbug_shader_destroy(rb_pipe, rb_shader);
 403 }
 404
 405 static void *
 406 rbug_create_gs_state(struct pipe_context *_pipe,
 407                      const struct pipe_shader_state *state)
 408 {
 409    struct rbug_context *rb_pipe = rbug_context(_pipe);
 410    struct pipe_context *pipe = rb_pipe->pipe;
 411    void *result;
 412
 413    result = pipe->create_gs_state(pipe, state);
 414    if (!result)
 415       return NULL;
 416
 417    return rbug_shader_create(rb_pipe, state, result, RBUG_SHADER_GEOM);
 418 }
 419
 420 static void
 421 rbug_bind_gs_state(struct pipe_context *_pipe,
 422                    void *_gs)
 423 {
 424    struct rbug_context *rb_pipe = rbug_context(_pipe);
 425    struct pipe_context *pipe = rb_pipe->pipe;
 426    void *gs;
 427
 428    gs = rbug_shader_unwrap(_gs);
 429    rb_pipe->curr.gs = rbug_shader(_gs);
 430    pipe->bind_gs_state(pipe,
 431                        gs);
 432 }
 433
 434 static void
 435 rbug_delete_gs_state(struct pipe_context *_pipe,
 436                      void *_gs)
 437 {
 438    struct rbug_context *rb_pipe = rbug_context(_pipe);
 439    struct rbug_shader *rb_shader = rbug_shader(_gs);
 440
 441    rbug_shader_destroy(rb_pipe, rb_shader);
 442 }
 443
 444 static void *
 445 rbug_create_vertex_elements_state(struct pipe_context *_pipe,
 446                                   unsigned num_elements,
 447                                   const struct pipe_vertex_element *vertex_elements)
 448 {
 449    struct rbug_context *rb_pipe = rbug_context(_pipe);
 450    struct pipe_context *pipe = rb_pipe->pipe;
 451
 452    return pipe->create_vertex_elements_state(pipe,
 453                                              num_elements,
 454                                              vertex_elements);
 455 }
 456
 457 static void
 458 rbug_bind_vertex_elements_state(struct pipe_context *_pipe,
 459                                 void *velems)
 460 {
 461    struct rbug_context *rb_pipe = rbug_context(_pipe);
 462    struct pipe_context *pipe = rb_pipe->pipe;
 463
 464    pipe->bind_vertex_elements_state(pipe,
 465                                     velems);
 466 }
 467
 468 static void
 469 rbug_delete_vertex_elements_state(struct pipe_context *_pipe,
 470                                   void *velems)
 471 {
 472    struct rbug_context *rb_pipe = rbug_context(_pipe);
 473    struct pipe_context *pipe = rb_pipe->pipe;
 474
 475    pipe->delete_vertex_elements_state(pipe,
 476                                       velems);
 477 }
 478
 479 static void
 480 rbug_set_blend_color(struct pipe_context *_pipe,
 481                      const struct pipe_blend_color *blend_color)
 482 {
 483    struct rbug_context *rb_pipe = rbug_context(_pipe);
 484    struct pipe_context *pipe = rb_pipe->pipe;
 485
 486    pipe->set_blend_color(pipe,
 487                          blend_color);
 488 }
 489
 490 static void
 491 rbug_set_stencil_ref(struct pipe_context *_pipe,
 492                      const struct pipe_stencil_ref *stencil_ref)
 493 {
 494    struct rbug_context *rb_pipe = rbug_context(_pipe);
 495    struct pipe_context *pipe = rb_pipe->pipe;
 496
 497    pipe->set_stencil_ref(pipe,
 498                          stencil_ref);
 499 }
 500
 501 static void
 502 rbug_set_clip_state(struct pipe_context *_pipe,
 503                     const struct pipe_clip_state *clip)
 504 {
 505    struct rbug_context *rb_pipe = rbug_context(_pipe);
 506    struct pipe_context *pipe = rb_pipe->pipe;
 507
 508    pipe->set_clip_state(pipe,
 509                         clip);
 510 }
 511
 512 static void
 513 rbug_set_constant_buffer(struct pipe_context *_pipe,
 514                          uint shader,
 515                          uint index,
 516                          struct pipe_resource *_resource)
 517 {
 518    struct rbug_context *rb_pipe = rbug_context(_pipe);
 519    struct pipe_context *pipe = rb_pipe->pipe;
 520    struct pipe_resource *unwrapped_resource;
 521    struct pipe_resource *resource = NULL;
 522
 523    /* XXX hmm? unwrap the input state */
 524    if (_resource) {
 525       unwrapped_resource = rbug_resource_unwrap(_resource);
 526       resource = unwrapped_resource;
 527    }
 528
 529    pipe->set_constant_buffer(pipe,
 530                              shader,
 531                              index,
 532                              resource);
 533 }
 534
 535 static void
 536 rbug_set_framebuffer_state(struct pipe_context *_pipe,
 537                            const struct pipe_framebuffer_state *_state)
 538 {
 539    struct rbug_context *rb_pipe = rbug_context(_pipe);
 540    struct pipe_context *pipe = rb_pipe->pipe;
 541    struct pipe_framebuffer_state unwrapped_state;
 542    struct pipe_framebuffer_state *state = NULL;
 543    unsigned i;
 544
 545    rb_pipe->curr.nr_cbufs = 0;
 546    memset(rb_pipe->curr.cbufs, 0, sizeof(rb_pipe->curr.cbufs));
 547    rb_pipe->curr.zsbuf = NULL;
 548
 549    /* unwrap the input state */
 550    if (_state) {
 551       memcpy(&unwrapped_state, _state, sizeof(unwrapped_state));
 552
 553       rb_pipe->curr.nr_cbufs = _state->nr_cbufs;
 554       for(i = 0; i < _state->nr_cbufs; i++) {
 555          unwrapped_state.cbufs[i] = rbug_surface_unwrap(_state->cbufs[i]);
 556          if (_state->cbufs[i])
 557             rb_pipe->curr.cbufs[i] = rbug_resource(_state->cbufs[i]->texture);
 558       }
 559       unwrapped_state.zsbuf = rbug_surface_unwrap(_state->zsbuf);
 560       if (_state->zsbuf)
 561          rb_pipe->curr.zsbuf = rbug_resource(_state->zsbuf->texture);
 562       state = &unwrapped_state;
 563    }
 564
 565    pipe->set_framebuffer_state(pipe,
 566                                state);
 567 }
 568
 569 static void
 570 rbug_set_polygon_stipple(struct pipe_context *_pipe,
 571                          const struct pipe_poly_stipple *poly_stipple)
 572 {
 573    struct rbug_context *rb_pipe = rbug_context(_pipe);
 574    struct pipe_context *pipe = rb_pipe->pipe;
 575
 576    pipe->set_polygon_stipple(pipe,
 577                              poly_stipple);
 578 }
 579
 580 static void
 581 rbug_set_scissor_state(struct pipe_context *_pipe,
 582                        const struct pipe_scissor_state *scissor)
 583 {
 584    struct rbug_context *rb_pipe = rbug_context(_pipe);
 585    struct pipe_context *pipe = rb_pipe->pipe;
 586
 587    pipe->set_scissor_state(pipe,
 588                            scissor);
 589 }
 590
 591 static void
 592 rbug_set_viewport_state(struct pipe_context *_pipe,
 593                         const struct pipe_viewport_state *viewport)
 594 {
 595    struct rbug_context *rb_pipe = rbug_context(_pipe);
 596    struct pipe_context *pipe = rb_pipe->pipe;
 597
 598    pipe->set_viewport_state(pipe,
 599                             viewport);
 600 }
 601
 602 static void
 603 rbug_set_fragment_sampler_views(struct pipe_context *_pipe,
 604                                 unsigned num,
 605                                 struct pipe_sampler_view **_views)
 606 {
 607    struct rbug_context *rb_pipe = rbug_context(_pipe);
 608    struct pipe_context *pipe = rb_pipe->pipe;
 609    struct pipe_sampler_view *unwrapped_views[PIPE_MAX_SAMPLERS];
 610    struct pipe_sampler_view **views = NULL;
 611    unsigned i;
 612
 613    rb_pipe->curr.num_fs_views = 0;
 614    memset(rb_pipe->curr.fs_views, 0, sizeof(rb_pipe->curr.fs_views));
 615    memset(rb_pipe->curr.fs_texs, 0, sizeof(rb_pipe->curr.fs_texs));
 616    memset(unwrapped_views, 0, sizeof(unwrapped_views));
 617
 618    if (_views) {
 619       rb_pipe->curr.num_fs_views = num;
 620       for (i = 0; i < num; i++) {
 621          rb_pipe->curr.fs_views[i] = rbug_sampler_view(_views[i]);
 622          rb_pipe->curr.fs_texs[i] = rbug_resource(_views[i] ? _views[i]->texture : NULL);
 623          unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
 624       }
 625       views = unwrapped_views;
 626    }
 627
 628    pipe->set_fragment_sampler_views(pipe, num, views);
 629 }
 630
 631 static void
 632 rbug_set_vertex_sampler_views(struct pipe_context *_pipe,
 633                               unsigned num,
 634                               struct pipe_sampler_view **_views)
 635 {
 636    struct rbug_context *rb_pipe = rbug_context(_pipe);
 637    struct pipe_context *pipe = rb_pipe->pipe;
 638    struct pipe_sampler_view *unwrapped_views[PIPE_MAX_VERTEX_SAMPLERS];
 639    struct pipe_sampler_view **views = NULL;
 640    unsigned i;
 641
 642    rb_pipe->curr.num_vs_views = 0;
 643    memset(rb_pipe->curr.vs_views, 0, sizeof(rb_pipe->curr.vs_views));
 644    memset(rb_pipe->curr.vs_texs, 0, sizeof(rb_pipe->curr.vs_texs));
 645    memset(unwrapped_views, 0, sizeof(unwrapped_views));
 646
 647    if (_views) {
 648       rb_pipe->curr.num_vs_views = num;
 649       for (i = 0; i < num; i++) {
 650          rb_pipe->curr.vs_views[i] = rbug_sampler_view(_views[i]);
 651          rb_pipe->curr.vs_texs[i] = rbug_resource(_views[i]->texture);
 652          unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
 653       }
 654       views = unwrapped_views;
 655    }
 656
 657    pipe->set_vertex_sampler_views(pipe, num, views);
 658 }
 659
 660 static void
 661 rbug_set_vertex_buffers(struct pipe_context *_pipe,
 662                         unsigned num_buffers,
 663                         const struct pipe_vertex_buffer *_buffers)
 664 {
 665    struct rbug_context *rb_pipe = rbug_context(_pipe);
 666    struct pipe_context *pipe = rb_pipe->pipe;
 667    struct pipe_vertex_buffer unwrapped_buffers[PIPE_MAX_SHADER_INPUTS];
 668    struct pipe_vertex_buffer *buffers = NULL;
 669    unsigned i;
 670
 671    if (num_buffers) {
 672       memcpy(unwrapped_buffers, _buffers, num_buffers * sizeof(*_buffers));
 673       for (i = 0; i < num_buffers; i++)
 674          unwrapped_buffers[i].buffer = rbug_resource_unwrap(_buffers[i].buffer);
 675       buffers = unwrapped_buffers;
 676    }
 677
 678    pipe->set_vertex_buffers(pipe,
 679                             num_buffers,
 680                             buffers);
 681 }
 682
 683 static void
 684 rbug_set_index_buffer(struct pipe_context *_pipe,
 685                       const struct pipe_index_buffer *_ib)
 686 {
 687    struct rbug_context *rb_pipe = rbug_context(_pipe);
 688    struct pipe_context *pipe = rb_pipe->pipe;
 689    struct pipe_index_buffer unwrapped_ib, *ib = NULL;
 690
 691    if (_ib) {
 692       unwrapped_ib = *_ib;
 693       unwrapped_ib.buffer = rbug_resource_unwrap(_ib->buffer);
 694       ib = &unwrapped_ib;
 695    }
 696
 697    pipe->set_index_buffer(pipe, ib);
 698 }
 699
 700 static void
 701 rbug_set_sample_mask(struct pipe_context *_pipe,
 702                      unsigned sample_mask)
 703 {
 704    struct rbug_context *rb_pipe = rbug_context(_pipe);
 705    struct pipe_context *pipe = rb_pipe->pipe;
 706
 707    pipe->set_sample_mask(pipe, sample_mask);
 708 }
 709
 710 static void
 711 rbug_resource_copy_region(struct pipe_context *_pipe,
 712                           struct pipe_resource *_dst,
 713                           unsigned dst_level,
 714                           unsigned dstx,
 715                           unsigned dsty,
 716                           unsigned dstz,
 717                           struct pipe_resource *_src,
 718                           unsigned src_level,
 719                           const struct pipe_box *src_box)
 720 {
 721    struct rbug_context *rb_pipe = rbug_context(_pipe);
 722    struct rbug_resource *rb_resource_dst = rbug_resource(_dst);
 723    struct rbug_resource *rb_resource_src = rbug_resource(_src);
 724    struct pipe_context *pipe = rb_pipe->pipe;
 725    struct pipe_resource *dst = rb_resource_dst->resource;
 726    struct pipe_resource *src = rb_resource_src->resource;
 727
 728    pipe->resource_copy_region(pipe,
 729                               dst,
 730                               dst_level,
 731                               dstx,
 732                               dsty,
 733                               dstz,
 734                               src,
 735                               src_level,
 736                               src_box);
 737 }
 738
 739 static void
 740 rbug_clear(struct pipe_context *_pipe,
 741            unsigned buffers,
 742            const float *rgba,
 743            double depth,
 744            unsigned stencil)
 745 {
 746    struct rbug_context *rb_pipe = rbug_context(_pipe);
 747    struct pipe_context *pipe = rb_pipe->pipe;
 748
 749    pipe->clear(pipe,
 750                buffers,
 751                rgba,
 752                depth,
 753                stencil);
 754 }
 755
 756 static void
 757 rbug_clear_render_target(struct pipe_context *_pipe,
 758                          struct pipe_surface *_dst,
 759                          const float *rgba,
 760                          unsigned dstx, unsigned dsty,
 761                          unsigned width, unsigned height)
 762 {
 763    struct rbug_context *rb_pipe = rbug_context(_pipe);
 764    struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
 765    struct pipe_context *pipe = rb_pipe->pipe;
 766    struct pipe_surface *dst = rb_surface_dst->surface;
 767
 768    pipe->clear_render_target(pipe,
 769                              dst,
 770                              rgba,
 771                              dstx,
 772                              dsty,
 773                              width,
 774                              height);
 775 }
 776
 777 static void
 778 rbug_clear_depth_stencil(struct pipe_context *_pipe,
 779                          struct pipe_surface *_dst,
 780                          unsigned clear_flags,
 781                          double depth,
 782                          unsigned stencil,
 783                          unsigned dstx, unsigned dsty,
 784                          unsigned width, unsigned height)
 785 {
 786    struct rbug_context *rb_pipe = rbug_context(_pipe);
 787    struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
 788    struct pipe_context *pipe = rb_pipe->pipe;
 789    struct pipe_surface *dst = rb_surface_dst->surface;
 790
 791    pipe->clear_depth_stencil(pipe,
 792                              dst,
 793                              clear_flags,
 794                              depth,
 795                              stencil,
 796                              dstx,
 797                              dsty,
 798                              width,
 799                              height);
 800 }
 801
 802 static void
 803 rbug_flush(struct pipe_context *_pipe,
 804            unsigned flags,
 805            struct pipe_fence_handle **fence)
 806 {
 807    struct rbug_context *rb_pipe = rbug_context(_pipe);
 808    struct pipe_context *pipe = rb_pipe->pipe;
 809
 810    pipe->flush(pipe,
 811                flags,
 812                fence);
 813 }
 814
 815 static unsigned int
 816 rbug_is_resource_referenced(struct pipe_context *_pipe,
 817                             struct pipe_resource *_resource,
 818                             unsigned level,
 819                             int layer)
 820 {
 821    struct rbug_context *rb_pipe = rbug_context(_pipe);
 822    struct rbug_resource *rb_resource = rbug_resource(_resource);
 823    struct pipe_context *pipe = rb_pipe->pipe;
 824    struct pipe_resource *resource = rb_resource->resource;
 825
 826    return pipe->is_resource_referenced(pipe,
 827                                        resource,
 828                                        level,
 829                                        layer);
 830 }
 831
 832 static struct pipe_sampler_view *
 833 rbug_context_create_sampler_view(struct pipe_context *_pipe,
 834                                  struct pipe_resource *_resource,
 835                                  const struct pipe_sampler_view *templ)
 836 {
 837    struct rbug_context *rb_pipe = rbug_context(_pipe);
 838    struct rbug_resource *rb_resource = rbug_resource(_resource);
 839    struct pipe_context *pipe = rb_pipe->pipe;
 840    struct pipe_resource *resource = rb_resource->resource;
 841    struct pipe_sampler_view *result;
 842
 843    result = pipe->create_sampler_view(pipe,
 844                                       resource,
 845                                       templ);
 846
 847    if (result)
 848       return rbug_sampler_view_create(rb_pipe, rb_resource, result);
 849    return NULL;
 850 }
 851
 852 static void
 853 rbug_context_sampler_view_destroy(struct pipe_context *_pipe,
 854                                   struct pipe_sampler_view *_view)
 855 {
 856    rbug_sampler_view_destroy(rbug_context(_pipe),
 857                              rbug_sampler_view(_view));
 858 }
 859
 860 static struct pipe_surface *
 861 rbug_context_create_surface(struct pipe_context *_pipe,
 862                             struct pipe_resource *_resource,
 863                             const struct pipe_surface *surf_tmpl)
 864 {
 865    struct rbug_context *rb_pipe = rbug_context(_pipe);
 866    struct rbug_resource *rb_resource = rbug_resource(_resource);
 867    struct pipe_context *pipe = rb_pipe->pipe;
 868    struct pipe_resource *resource = rb_resource->resource;
 869    struct pipe_surface *result;
 870
 871    result = pipe->create_surface(pipe,
 872                                  resource,
 873                                  surf_tmpl);
 874
 875    if (result)
 876       return rbug_surface_create(rb_pipe, rb_resource, result);
 877    return NULL;
 878 }
 879
 880 static void
 881 rbug_context_surface_destroy(struct pipe_context *_pipe,
 882                              struct pipe_surface *_surface)
 883 {
 884    rbug_surface_destroy(rbug_context(_pipe),
 885                         rbug_surface(_surface));
 886 }
 887
 888
 889
 890 static struct pipe_transfer *
 891 rbug_context_get_transfer(struct pipe_context *_context,
 892                           struct pipe_resource *_resource,
 893                           unsigned level,
 894                           unsigned usage,
 895                           const struct pipe_box *box)
 896 {
 897    struct rbug_context *rb_pipe = rbug_context(_context);
 898    struct rbug_resource *rb_resource = rbug_resource(_resource);
 899    struct pipe_context *context = rb_pipe->pipe;
 900    struct pipe_resource *resource = rb_resource->resource;
 901    struct pipe_transfer *result;
 902
 903    result = context->get_transfer(context,
 904                                   resource,
 905                                   level,
 906                                   usage,
 907                                   box);
 908
 909    if (result)
 910       return rbug_transfer_create(rb_pipe, rb_resource, result);
 911    return NULL;
 912 }
 913
 914 static void
 915 rbug_context_transfer_destroy(struct pipe_context *_pipe,
 916                               struct pipe_transfer *_transfer)
 917 {
 918    rbug_transfer_destroy(rbug_context(_pipe),
 919                              rbug_transfer(_transfer));
 920 }
 921
 922 static void *
 923 rbug_context_transfer_map(struct pipe_context *_context,
 924                           struct pipe_transfer *_transfer)
 925 {
 926    struct rbug_context *rb_pipe = rbug_context(_context);
 927    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 928    struct pipe_context *context = rb_pipe->pipe;
 929    struct pipe_transfer *transfer = rb_transfer->transfer;
 930
 931    return context->transfer_map(context,
 932                                 transfer);
 933 }
 934
 935
 936
 937 static void
 938 rbug_context_transfer_flush_region(struct pipe_context *_context,
 939                                    struct pipe_transfer *_transfer,
 940                                    const struct pipe_box *box)
 941 {
 942    struct rbug_context *rb_pipe = rbug_context(_context);
 943    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 944    struct pipe_context *context = rb_pipe->pipe;
 945    struct pipe_transfer *transfer = rb_transfer->transfer;
 946
 947    context->transfer_flush_region(context,
 948                                   transfer,
 949                                   box);
 950 }
 951
 952
 953 static void
 954 rbug_context_transfer_unmap(struct pipe_context *_context,
 955                             struct pipe_transfer *_transfer)
 956 {
 957    struct rbug_context *rb_pipe = rbug_context(_context);
 958    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 959    struct pipe_context *context = rb_pipe->pipe;
 960    struct pipe_transfer *transfer = rb_transfer->transfer;
 961
 962    context->transfer_unmap(context,
 963                            transfer);
 964 }
 965
 966
 967 static void
 968 rbug_context_transfer_inline_write(struct pipe_context *_context,
 969                                    struct pipe_resource *_resource,
 970                                    unsigned level,
 971                                    unsigned usage,
 972                                    const struct pipe_box *box,
 973                                    const void *data,
 974                                    unsigned stride,
 975                                    unsigned layer_stride)
 976 {
 977    struct rbug_context *rb_pipe = rbug_context(_context);
 978    struct rbug_resource *rb_resource = rbug_resource(_resource);
 979    struct pipe_context *context = rb_pipe->pipe;
 980    struct pipe_resource *resource = rb_resource->resource;
 981
 982    context->transfer_inline_write(context,
 983                                   resource,
 984                                   level,
 985                                   usage,
 986                                   box,
 987                                   data,
 988                                   stride,
 989                                   layer_stride);
 990 }
 991
 992
 993 static void rbug_redefine_user_buffer(struct pipe_context *_context,
 994                                       struct pipe_resource *_resource,
 995                                       unsigned offset, unsigned size)
 996 {
 997    struct rbug_context *rb_pipe = rbug_context(_context);
 998    struct rbug_resource *rb_resource = rbug_resource(_resource);
 999    struct pipe_context *context = rb_pipe->pipe;
1000    struct pipe_resource *resource = rb_resource->resource;
1001
1002    context->redefine_user_buffer(context, resource, offset, size);
1003 }
1004
1005
1006 struct pipe_context *
1007 rbug_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
1008 {
1009    struct rbug_context *rb_pipe;
1010    struct rbug_screen *rb_screen = rbug_screen(_screen);
1011
1012    if (!rb_screen)
1013       return NULL;
1014
1015    rb_pipe = CALLOC_STRUCT(rbug_context);
1016    if (!rb_pipe)
1017       return NULL;
1018
1019    pipe_mutex_init(rb_pipe->draw_mutex);
1020    pipe_condvar_init(rb_pipe->draw_cond);
1021    pipe_mutex_init(rb_pipe->call_mutex);
1022    pipe_mutex_init(rb_pipe->list_mutex);
1023    make_empty_list(&rb_pipe->shaders);
1024
1025    rb_pipe->base.winsys = NULL;
1026    rb_pipe->base.screen = _screen;
1027    rb_pipe->base.priv = pipe->priv; /* expose wrapped data */
1028    rb_pipe->base.draw = NULL;
1029
1030    rb_pipe->base.destroy = rbug_destroy;
1031    rb_pipe->base.draw_vbo = rbug_draw_vbo;
1032    rb_pipe->base.create_query = rbug_create_query;
1033    rb_pipe->base.destroy_query = rbug_destroy_query;
1034    rb_pipe->base.begin_query = rbug_begin_query;
1035    rb_pipe->base.end_query = rbug_end_query;
1036    rb_pipe->base.get_query_result = rbug_get_query_result;
1037    rb_pipe->base.create_blend_state = rbug_create_blend_state;
1038    rb_pipe->base.bind_blend_state = rbug_bind_blend_state;
1039    rb_pipe->base.delete_blend_state = rbug_delete_blend_state;
1040    rb_pipe->base.create_sampler_state = rbug_create_sampler_state;
1041    rb_pipe->base.bind_fragment_sampler_states = rbug_bind_fragment_sampler_states;
1042    rb_pipe->base.bind_vertex_sampler_states = rbug_bind_vertex_sampler_states;
1043    rb_pipe->base.delete_sampler_state = rbug_delete_sampler_state;
1044    rb_pipe->base.create_rasterizer_state = rbug_create_rasterizer_state;
1045    rb_pipe->base.bind_rasterizer_state = rbug_bind_rasterizer_state;
1046    rb_pipe->base.delete_rasterizer_state = rbug_delete_rasterizer_state;
1047    rb_pipe->base.create_depth_stencil_alpha_state = rbug_create_depth_stencil_alpha_state;
1048    rb_pipe->base.bind_depth_stencil_alpha_state = rbug_bind_depth_stencil_alpha_state;
1049    rb_pipe->base.delete_depth_stencil_alpha_state = rbug_delete_depth_stencil_alpha_state;
1050    rb_pipe->base.create_fs_state = rbug_create_fs_state;
1051    rb_pipe->base.bind_fs_state = rbug_bind_fs_state;
1052    rb_pipe->base.delete_fs_state = rbug_delete_fs_state;
1053    rb_pipe->base.create_vs_state = rbug_create_vs_state;
1054    rb_pipe->base.bind_vs_state = rbug_bind_vs_state;
1055    rb_pipe->base.delete_vs_state = rbug_delete_vs_state;
1056    rb_pipe->base.create_gs_state = rbug_create_gs_state;
1057    rb_pipe->base.bind_gs_state = rbug_bind_gs_state;
1058    rb_pipe->base.delete_gs_state = rbug_delete_gs_state;
1059    rb_pipe->base.create_vertex_elements_state = rbug_create_vertex_elements_state;
1060    rb_pipe->base.bind_vertex_elements_state = rbug_bind_vertex_elements_state;
1061    rb_pipe->base.delete_vertex_elements_state = rbug_delete_vertex_elements_state;
1062    rb_pipe->base.set_blend_color = rbug_set_blend_color;
1063    rb_pipe->base.set_stencil_ref = rbug_set_stencil_ref;
1064    rb_pipe->base.set_clip_state = rbug_set_clip_state;
1065    rb_pipe->base.set_constant_buffer = rbug_set_constant_buffer;
1066    rb_pipe->base.set_framebuffer_state = rbug_set_framebuffer_state;
1067    rb_pipe->base.set_polygon_stipple = rbug_set_polygon_stipple;
1068    rb_pipe->base.set_scissor_state = rbug_set_scissor_state;
1069    rb_pipe->base.set_viewport_state = rbug_set_viewport_state;
1070    rb_pipe->base.set_fragment_sampler_views = rbug_set_fragment_sampler_views;
1071    rb_pipe->base.set_vertex_sampler_views = rbug_set_vertex_sampler_views;
1072    rb_pipe->base.set_vertex_buffers = rbug_set_vertex_buffers;
1073    rb_pipe->base.set_index_buffer = rbug_set_index_buffer;
1074    rb_pipe->base.set_sample_mask = rbug_set_sample_mask;
1075    rb_pipe->base.resource_copy_region = rbug_resource_copy_region;
1076    rb_pipe->base.clear = rbug_clear;
1077    rb_pipe->base.clear_render_target = rbug_clear_render_target;
1078    rb_pipe->base.clear_depth_stencil = rbug_clear_depth_stencil;
1079    rb_pipe->base.flush = rbug_flush;
1080    rb_pipe->base.is_resource_referenced = rbug_is_resource_referenced;
1081    rb_pipe->base.create_sampler_view = rbug_context_create_sampler_view;
1082    rb_pipe->base.sampler_view_destroy = rbug_context_sampler_view_destroy;
1083    rb_pipe->base.create_surface = rbug_context_create_surface;
1084    rb_pipe->base.surface_destroy = rbug_context_surface_destroy;
1085    rb_pipe->base.get_transfer = rbug_context_get_transfer;
1086    rb_pipe->base.transfer_destroy = rbug_context_transfer_destroy;
1087    rb_pipe->base.transfer_map = rbug_context_transfer_map;
1088    rb_pipe->base.transfer_unmap = rbug_context_transfer_unmap;
1089    rb_pipe->base.transfer_flush_region = rbug_context_transfer_flush_region;
1090    rb_pipe->base.transfer_inline_write = rbug_context_transfer_inline_write;
1091    rb_pipe->base.redefine_user_buffer = rbug_redefine_user_buffer;
1092
1093    rb_pipe->pipe = pipe;
1094
1095    rbug_screen_add_to_list(rb_screen, contexts, rb_pipe);
1096
1097    return &rb_pipe->base;
1098 }