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
 548    /* unwrap the input state */
 549    if (_state) {
 550       memcpy(&unwrapped_state, _state, sizeof(unwrapped_state));
 551
 552       rb_pipe->curr.nr_cbufs = _state->nr_cbufs;
 553       for(i = 0; i < _state->nr_cbufs; i++) {
 554          unwrapped_state.cbufs[i] = rbug_surface_unwrap(_state->cbufs[i]);
 555          if (_state->cbufs[i])
 556             rb_pipe->curr.cbufs[i] = rbug_resource(_state->cbufs[i]->texture);
 557       }
 558       unwrapped_state.zsbuf = rbug_surface_unwrap(_state->zsbuf);
 559       state = &unwrapped_state;
 560    }
 561
 562    pipe->set_framebuffer_state(pipe,
 563                                state);
 564 }
 565
 566 static void
 567 rbug_set_polygon_stipple(struct pipe_context *_pipe,
 568                          const struct pipe_poly_stipple *poly_stipple)
 569 {
 570    struct rbug_context *rb_pipe = rbug_context(_pipe);
 571    struct pipe_context *pipe = rb_pipe->pipe;
 572
 573    pipe->set_polygon_stipple(pipe,
 574                              poly_stipple);
 575 }
 576
 577 static void
 578 rbug_set_scissor_state(struct pipe_context *_pipe,
 579                        const struct pipe_scissor_state *scissor)
 580 {
 581    struct rbug_context *rb_pipe = rbug_context(_pipe);
 582    struct pipe_context *pipe = rb_pipe->pipe;
 583
 584    pipe->set_scissor_state(pipe,
 585                            scissor);
 586 }
 587
 588 static void
 589 rbug_set_viewport_state(struct pipe_context *_pipe,
 590                         const struct pipe_viewport_state *viewport)
 591 {
 592    struct rbug_context *rb_pipe = rbug_context(_pipe);
 593    struct pipe_context *pipe = rb_pipe->pipe;
 594
 595    pipe->set_viewport_state(pipe,
 596                             viewport);
 597 }
 598
 599 static void
 600 rbug_set_fragment_sampler_views(struct pipe_context *_pipe,
 601                                 unsigned num,
 602                                 struct pipe_sampler_view **_views)
 603 {
 604    struct rbug_context *rb_pipe = rbug_context(_pipe);
 605    struct pipe_context *pipe = rb_pipe->pipe;
 606    struct pipe_sampler_view *unwrapped_views[PIPE_MAX_SAMPLERS];
 607    struct pipe_sampler_view **views = NULL;
 608    unsigned i;
 609
 610    rb_pipe->curr.num_fs_views = 0;
 611    memset(rb_pipe->curr.fs_views, 0, sizeof(rb_pipe->curr.fs_views));
 612    memset(rb_pipe->curr.fs_texs, 0, sizeof(rb_pipe->curr.fs_texs));
 613    memset(unwrapped_views, 0, sizeof(unwrapped_views));
 614
 615    if (_views) {
 616       rb_pipe->curr.num_fs_views = num;
 617       for (i = 0; i < num; i++) {
 618          rb_pipe->curr.fs_views[i] = rbug_sampler_view(_views[i]);
 619          rb_pipe->curr.fs_texs[i] = rbug_resource(_views[i] ? _views[i]->texture : NULL);
 620          unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
 621       }
 622       views = unwrapped_views;
 623    }
 624
 625    pipe->set_fragment_sampler_views(pipe, num, views);
 626 }
 627
 628 static void
 629 rbug_set_vertex_sampler_views(struct pipe_context *_pipe,
 630                               unsigned num,
 631                               struct pipe_sampler_view **_views)
 632 {
 633    struct rbug_context *rb_pipe = rbug_context(_pipe);
 634    struct pipe_context *pipe = rb_pipe->pipe;
 635    struct pipe_sampler_view *unwrapped_views[PIPE_MAX_VERTEX_SAMPLERS];
 636    struct pipe_sampler_view **views = NULL;
 637    unsigned i;
 638
 639    rb_pipe->curr.num_vs_views = 0;
 640    memset(rb_pipe->curr.vs_views, 0, sizeof(rb_pipe->curr.vs_views));
 641    memset(rb_pipe->curr.vs_texs, 0, sizeof(rb_pipe->curr.vs_texs));
 642    memset(unwrapped_views, 0, sizeof(unwrapped_views));
 643
 644    if (_views) {
 645       rb_pipe->curr.num_vs_views = num;
 646       for (i = 0; i < num; i++) {
 647          rb_pipe->curr.vs_views[i] = rbug_sampler_view(_views[i]);
 648          rb_pipe->curr.vs_texs[i] = rbug_resource(_views[i]->texture);
 649          unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
 650       }
 651       views = unwrapped_views;
 652    }
 653
 654    pipe->set_vertex_sampler_views(pipe, num, views);
 655 }
 656
 657 static void
 658 rbug_set_vertex_buffers(struct pipe_context *_pipe,
 659                         unsigned num_buffers,
 660                         const struct pipe_vertex_buffer *_buffers)
 661 {
 662    struct rbug_context *rb_pipe = rbug_context(_pipe);
 663    struct pipe_context *pipe = rb_pipe->pipe;
 664    struct pipe_vertex_buffer unwrapped_buffers[PIPE_MAX_SHADER_INPUTS];
 665    struct pipe_vertex_buffer *buffers = NULL;
 666    unsigned i;
 667
 668    if (num_buffers) {
 669       memcpy(unwrapped_buffers, _buffers, num_buffers * sizeof(*_buffers));
 670       for (i = 0; i < num_buffers; i++)
 671          unwrapped_buffers[i].buffer = rbug_resource_unwrap(_buffers[i].buffer);
 672       buffers = unwrapped_buffers;
 673    }
 674
 675    pipe->set_vertex_buffers(pipe,
 676                             num_buffers,
 677                             buffers);
 678 }
 679
 680 static void
 681 rbug_set_index_buffer(struct pipe_context *_pipe,
 682                       const struct pipe_index_buffer *_ib)
 683 {
 684    struct rbug_context *rb_pipe = rbug_context(_pipe);
 685    struct pipe_context *pipe = rb_pipe->pipe;
 686    struct pipe_index_buffer unwrapped_ib, *ib = NULL;
 687
 688    if (_ib) {
 689       unwrapped_ib = *_ib;
 690       unwrapped_ib.buffer = rbug_resource_unwrap(_ib->buffer);
 691       ib = &unwrapped_ib;
 692    }
 693
 694    pipe->set_index_buffer(pipe, ib);
 695 }
 696
 697 static void
 698 rbug_set_sample_mask(struct pipe_context *_pipe,
 699                      unsigned sample_mask)
 700 {
 701    struct rbug_context *rb_pipe = rbug_context(_pipe);
 702    struct pipe_context *pipe = rb_pipe->pipe;
 703
 704    pipe->set_sample_mask(pipe, sample_mask);
 705 }
 706
 707 static void
 708 rbug_resource_copy_region(struct pipe_context *_pipe,
 709                           struct pipe_resource *_dst,
 710                           struct pipe_subresource subdst,
 711                           unsigned dstx,
 712                           unsigned dsty,
 713                           unsigned dstz,
 714                           struct pipe_resource *_src,
 715                           struct pipe_subresource subsrc,
 716                           unsigned srcx,
 717                           unsigned srcy,
 718                           unsigned srcz,
 719                           unsigned width,
 720                           unsigned height)
 721 {
 722    struct rbug_context *rb_pipe = rbug_context(_pipe);
 723    struct rbug_resource *rb_resource_dst = rbug_resource(_dst);
 724    struct rbug_resource *rb_resource_src = rbug_resource(_src);
 725    struct pipe_context *pipe = rb_pipe->pipe;
 726    struct pipe_resource *dst = rb_resource_dst->resource;
 727    struct pipe_resource *src = rb_resource_src->resource;
 728
 729    pipe->resource_copy_region(pipe,
 730                               dst,
 731                               subdst,
 732                               dstx,
 733                               dsty,
 734                               dstz,
 735                               src,
 736                               subsrc,
 737                               srcx,
 738                               srcy,
 739                               srcz,
 740                               width,
 741                               height);
 742 }
 743
 744 static void
 745 rbug_clear(struct pipe_context *_pipe,
 746            unsigned buffers,
 747            const float *rgba,
 748            double depth,
 749            unsigned stencil)
 750 {
 751    struct rbug_context *rb_pipe = rbug_context(_pipe);
 752    struct pipe_context *pipe = rb_pipe->pipe;
 753
 754    pipe->clear(pipe,
 755                buffers,
 756                rgba,
 757                depth,
 758                stencil);
 759 }
 760
 761 static void
 762 rbug_clear_render_target(struct pipe_context *_pipe,
 763                          struct pipe_surface *_dst,
 764                          const float *rgba,
 765                          unsigned dstx, unsigned dsty,
 766                          unsigned width, unsigned height)
 767 {
 768    struct rbug_context *rb_pipe = rbug_context(_pipe);
 769    struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
 770    struct pipe_context *pipe = rb_pipe->pipe;
 771    struct pipe_surface *dst = rb_surface_dst->surface;
 772
 773    pipe->clear_render_target(pipe,
 774                              dst,
 775                              rgba,
 776                              dstx,
 777                              dsty,
 778                              width,
 779                              height);
 780 }
 781
 782 static void
 783 rbug_clear_depth_stencil(struct pipe_context *_pipe,
 784                          struct pipe_surface *_dst,
 785                          unsigned clear_flags,
 786                          double depth,
 787                          unsigned stencil,
 788                          unsigned dstx, unsigned dsty,
 789                          unsigned width, unsigned height)
 790 {
 791    struct rbug_context *rb_pipe = rbug_context(_pipe);
 792    struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
 793    struct pipe_context *pipe = rb_pipe->pipe;
 794    struct pipe_surface *dst = rb_surface_dst->surface;
 795
 796    pipe->clear_depth_stencil(pipe,
 797                              dst,
 798                              clear_flags,
 799                              depth,
 800                              stencil,
 801                              dstx,
 802                              dsty,
 803                              width,
 804                              height);
 805 }
 806
 807 static void
 808 rbug_flush(struct pipe_context *_pipe,
 809            unsigned flags,
 810            struct pipe_fence_handle **fence)
 811 {
 812    struct rbug_context *rb_pipe = rbug_context(_pipe);
 813    struct pipe_context *pipe = rb_pipe->pipe;
 814
 815    pipe->flush(pipe,
 816                flags,
 817                fence);
 818 }
 819
 820 static unsigned int
 821 rbug_is_resource_referenced(struct pipe_context *_pipe,
 822                             struct pipe_resource *_resource,
 823                             unsigned face,
 824                             unsigned level)
 825 {
 826    struct rbug_context *rb_pipe = rbug_context(_pipe);
 827    struct rbug_resource *rb_resource = rbug_resource(_resource);
 828    struct pipe_context *pipe = rb_pipe->pipe;
 829    struct pipe_resource *resource = rb_resource->resource;
 830
 831    return pipe->is_resource_referenced(pipe,
 832                                        resource,
 833                                        face,
 834                                        level);
 835 }
 836
 837 static struct pipe_sampler_view *
 838 rbug_context_create_sampler_view(struct pipe_context *_pipe,
 839                                  struct pipe_resource *_resource,
 840                                  const struct pipe_sampler_view *templ)
 841 {
 842    struct rbug_context *rb_pipe = rbug_context(_pipe);
 843    struct rbug_resource *rb_resource = rbug_resource(_resource);
 844    struct pipe_context *pipe = rb_pipe->pipe;
 845    struct pipe_resource *resource = rb_resource->resource;
 846    struct pipe_sampler_view *result;
 847
 848    result = pipe->create_sampler_view(pipe,
 849                                       resource,
 850                                       templ);
 851
 852    if (result)
 853       return rbug_sampler_view_create(rb_pipe, rb_resource, result);
 854    return NULL;
 855 }
 856
 857 static void
 858 rbug_context_sampler_view_destroy(struct pipe_context *_pipe,
 859                                   struct pipe_sampler_view *_view)
 860 {
 861    rbug_sampler_view_destroy(rbug_context(_pipe),
 862                              rbug_sampler_view(_view));
 863 }
 864
 865 static struct pipe_transfer *
 866 rbug_context_get_transfer(struct pipe_context *_context,
 867                           struct pipe_resource *_resource,
 868                           struct pipe_subresource sr,
 869                           unsigned usage,
 870                           const struct pipe_box *box)
 871 {
 872    struct rbug_context *rb_pipe = rbug_context(_context);
 873    struct rbug_resource *rb_resource = rbug_resource(_resource);
 874    struct pipe_context *context = rb_pipe->pipe;
 875    struct pipe_resource *resource = rb_resource->resource;
 876    struct pipe_transfer *result;
 877
 878    result = context->get_transfer(context,
 879                                   resource,
 880                                   sr,
 881                                   usage,
 882                                   box);
 883
 884    if (result)
 885       return rbug_transfer_create(rb_pipe, rb_resource, result);
 886    return NULL;
 887 }
 888
 889 static void
 890 rbug_context_transfer_destroy(struct pipe_context *_pipe,
 891                               struct pipe_transfer *_transfer)
 892 {
 893    rbug_transfer_destroy(rbug_context(_pipe),
 894                              rbug_transfer(_transfer));
 895 }
 896
 897 static void *
 898 rbug_context_transfer_map(struct pipe_context *_context,
 899                           struct pipe_transfer *_transfer)
 900 {
 901    struct rbug_context *rb_pipe = rbug_context(_context);
 902    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 903    struct pipe_context *context = rb_pipe->pipe;
 904    struct pipe_transfer *transfer = rb_transfer->transfer;
 905
 906    return context->transfer_map(context,
 907                                 transfer);
 908 }
 909
 910
 911
 912 static void
 913 rbug_context_transfer_flush_region(struct pipe_context *_context,
 914                                    struct pipe_transfer *_transfer,
 915                                    const struct pipe_box *box)
 916 {
 917    struct rbug_context *rb_pipe = rbug_context(_context);
 918    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 919    struct pipe_context *context = rb_pipe->pipe;
 920    struct pipe_transfer *transfer = rb_transfer->transfer;
 921
 922    context->transfer_flush_region(context,
 923                                   transfer,
 924                                   box);
 925 }
 926
 927
 928 static void
 929 rbug_context_transfer_unmap(struct pipe_context *_context,
 930                             struct pipe_transfer *_transfer)
 931 {
 932    struct rbug_context *rb_pipe = rbug_context(_context);
 933    struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
 934    struct pipe_context *context = rb_pipe->pipe;
 935    struct pipe_transfer *transfer = rb_transfer->transfer;
 936
 937    context->transfer_unmap(context,
 938                            transfer);
 939 }
 940
 941
 942 static void
 943 rbug_context_transfer_inline_write(struct pipe_context *_context,
 944                                    struct pipe_resource *_resource,
 945                                    struct pipe_subresource sr,
 946                                    unsigned usage,
 947                                    const struct pipe_box *box,
 948                                    const void *data,
 949                                    unsigned stride,
 950                                    unsigned slice_stride)
 951 {
 952    struct rbug_context *rb_pipe = rbug_context(_context);
 953    struct rbug_resource *rb_resource = rbug_resource(_resource);
 954    struct pipe_context *context = rb_pipe->pipe;
 955    struct pipe_resource *resource = rb_resource->resource;
 956
 957    context->transfer_inline_write(context,
 958                                   resource,
 959                                   sr,
 960                                   usage,
 961                                   box,
 962                                   data,
 963                                   stride,
 964                                   slice_stride);
 965 }
 966
 967
 968 struct pipe_context *
 969 rbug_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
 970 {
 971    struct rbug_context *rb_pipe;
 972    struct rbug_screen *rb_screen = rbug_screen(_screen);
 973
 974    if (!rb_screen)
 975       return NULL;
 976
 977    rb_pipe = CALLOC_STRUCT(rbug_context);
 978    if (!rb_pipe)
 979       return NULL;
 980
 981    pipe_mutex_init(rb_pipe->draw_mutex);
 982    pipe_condvar_init(rb_pipe->draw_cond);
 983    pipe_mutex_init(rb_pipe->call_mutex);
 984    pipe_mutex_init(rb_pipe->list_mutex);
 985    make_empty_list(&rb_pipe->shaders);
 986
 987    rb_pipe->base.winsys = NULL;
 988    rb_pipe->base.screen = _screen;
 989    rb_pipe->base.priv = pipe->priv; /* expose wrapped data */
 990    rb_pipe->base.draw = NULL;
 991
 992    rb_pipe->base.destroy = rbug_destroy;
 993    rb_pipe->base.draw_vbo = rbug_draw_vbo;
 994    rb_pipe->base.create_query = rbug_create_query;
 995    rb_pipe->base.destroy_query = rbug_destroy_query;
 996    rb_pipe->base.begin_query = rbug_begin_query;
 997    rb_pipe->base.end_query = rbug_end_query;
 998    rb_pipe->base.get_query_result = rbug_get_query_result;
 999    rb_pipe->base.create_blend_state = rbug_create_blend_state;
1000    rb_pipe->base.bind_blend_state = rbug_bind_blend_state;
1001    rb_pipe->base.delete_blend_state = rbug_delete_blend_state;
1002    rb_pipe->base.create_sampler_state = rbug_create_sampler_state;
1003    rb_pipe->base.bind_fragment_sampler_states = rbug_bind_fragment_sampler_states;
1004    rb_pipe->base.bind_vertex_sampler_states = rbug_bind_vertex_sampler_states;
1005    rb_pipe->base.delete_sampler_state = rbug_delete_sampler_state;
1006    rb_pipe->base.create_rasterizer_state = rbug_create_rasterizer_state;
1007    rb_pipe->base.bind_rasterizer_state = rbug_bind_rasterizer_state;
1008    rb_pipe->base.delete_rasterizer_state = rbug_delete_rasterizer_state;
1009    rb_pipe->base.create_depth_stencil_alpha_state = rbug_create_depth_stencil_alpha_state;
1010    rb_pipe->base.bind_depth_stencil_alpha_state = rbug_bind_depth_stencil_alpha_state;
1011    rb_pipe->base.delete_depth_stencil_alpha_state = rbug_delete_depth_stencil_alpha_state;
1012    rb_pipe->base.create_fs_state = rbug_create_fs_state;
1013    rb_pipe->base.bind_fs_state = rbug_bind_fs_state;
1014    rb_pipe->base.delete_fs_state = rbug_delete_fs_state;
1015    rb_pipe->base.create_vs_state = rbug_create_vs_state;
1016    rb_pipe->base.bind_vs_state = rbug_bind_vs_state;
1017    rb_pipe->base.delete_vs_state = rbug_delete_vs_state;
1018    rb_pipe->base.create_gs_state = rbug_create_gs_state;
1019    rb_pipe->base.bind_gs_state = rbug_bind_gs_state;
1020    rb_pipe->base.delete_gs_state = rbug_delete_gs_state;
1021    rb_pipe->base.create_vertex_elements_state = rbug_create_vertex_elements_state;
1022    rb_pipe->base.bind_vertex_elements_state = rbug_bind_vertex_elements_state;
1023    rb_pipe->base.delete_vertex_elements_state = rbug_delete_vertex_elements_state;
1024    rb_pipe->base.set_blend_color = rbug_set_blend_color;
1025    rb_pipe->base.set_stencil_ref = rbug_set_stencil_ref;
1026    rb_pipe->base.set_clip_state = rbug_set_clip_state;
1027    rb_pipe->base.set_constant_buffer = rbug_set_constant_buffer;
1028    rb_pipe->base.set_framebuffer_state = rbug_set_framebuffer_state;
1029    rb_pipe->base.set_polygon_stipple = rbug_set_polygon_stipple;
1030    rb_pipe->base.set_scissor_state = rbug_set_scissor_state;
1031    rb_pipe->base.set_viewport_state = rbug_set_viewport_state;
1032    rb_pipe->base.set_fragment_sampler_views = rbug_set_fragment_sampler_views;
1033    rb_pipe->base.set_vertex_sampler_views = rbug_set_vertex_sampler_views;
1034    rb_pipe->base.set_vertex_buffers = rbug_set_vertex_buffers;
1035    rb_pipe->base.set_index_buffer = rbug_set_index_buffer;
1036    rb_pipe->base.set_sample_mask = rbug_set_sample_mask;
1037    rb_pipe->base.resource_copy_region = rbug_resource_copy_region;
1038    rb_pipe->base.clear = rbug_clear;
1039    rb_pipe->base.clear_render_target = rbug_clear_render_target;
1040    rb_pipe->base.clear_depth_stencil = rbug_clear_depth_stencil;
1041    rb_pipe->base.flush = rbug_flush;
1042    rb_pipe->base.is_resource_referenced = rbug_is_resource_referenced;
1043    rb_pipe->base.create_sampler_view = rbug_context_create_sampler_view;
1044    rb_pipe->base.sampler_view_destroy = rbug_context_sampler_view_destroy;
1045    rb_pipe->base.get_transfer = rbug_context_get_transfer;
1046    rb_pipe->base.transfer_destroy = rbug_context_transfer_destroy;
1047    rb_pipe->base.transfer_map = rbug_context_transfer_map;
1048    rb_pipe->base.transfer_unmap = rbug_context_transfer_unmap;
1049    rb_pipe->base.transfer_flush_region = rbug_context_transfer_flush_region;
1050    rb_pipe->base.transfer_inline_write = rbug_context_transfer_inline_write;
1051
1052    rb_pipe->pipe = pipe;
1053
1054    rbug_screen_add_to_list(rb_screen, contexts, rb_pipe);
1055
1056    return &rb_pipe->base;
1057 }