src/gallium/drivers/ddebug/dd_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2015 Advanced Micro Devices, Inc.
   4  * Copyright 2008 VMware, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * on the rights to use, copy, modify, merge, publish, distribute, sub
  11  * license, and/or sell copies of the Software, and to permit persons to whom
  12  * the Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "dd_pipe.h"
  29 #include "tgsi/tgsi_parse.h"
  30 #include "util/u_memory.h"
  31
  32
  33 static void
  34 safe_memcpy(void *dst, const void *src, size_t size)
  35 {
  36    if (src)
  37       memcpy(dst, src, size);
  38    else
  39       memset(dst, 0, size);
  40 }
  41
  42
  43 /********************************************************************
  44  * queries
  45  */
  46
  47 static struct dd_query *
  48 dd_query(struct pipe_query *query)
  49 {
  50    return (struct dd_query *)query;
  51 }
  52
  53 static struct pipe_query *
  54 dd_query_unwrap(struct pipe_query *query)
  55 {
  56    if (query) {
  57       return dd_query(query)->query;
  58    } else {
  59       return NULL;
  60    }
  61 }
  62
  63 static struct pipe_query *
  64 dd_context_create_query(struct pipe_context *_pipe, unsigned query_type,
  65                         unsigned index)
  66 {
  67    struct pipe_context *pipe = dd_context(_pipe)->pipe;
  68    struct pipe_query *query;
  69
  70    query = pipe->create_query(pipe, query_type, index);
  71
  72    /* Wrap query object. */
  73    if (query) {
  74       struct dd_query *dd_query = CALLOC_STRUCT(dd_query);
  75       if (dd_query) {
  76          dd_query->type = query_type;
  77          dd_query->query = query;
  78          query = (struct pipe_query *)dd_query;
  79       } else {
  80          pipe->destroy_query(pipe, query);
  81          query = NULL;
  82       }
  83    }
  84
  85    return query;
  86 }
  87
  88 static void
  89 dd_context_destroy_query(struct pipe_context *_pipe,
  90                          struct pipe_query *query)
  91 {
  92    struct pipe_context *pipe = dd_context(_pipe)->pipe;
  93
  94    pipe->destroy_query(pipe, dd_query_unwrap(query));
  95    FREE(query);
  96 }
  97
  98 static boolean
  99 dd_context_begin_query(struct pipe_context *_pipe, struct pipe_query *query)
 100 {
 101    struct dd_context *dctx = dd_context(_pipe);
 102    struct pipe_context *pipe = dctx->pipe;
 103
 104    return pipe->begin_query(pipe, dd_query_unwrap(query));
 105 }
 106
 107 static bool
 108 dd_context_end_query(struct pipe_context *_pipe, struct pipe_query *query)
 109 {
 110    struct dd_context *dctx = dd_context(_pipe);
 111    struct pipe_context *pipe = dctx->pipe;
 112
 113    return pipe->end_query(pipe, dd_query_unwrap(query));
 114 }
 115
 116 static boolean
 117 dd_context_get_query_result(struct pipe_context *_pipe,
 118                             struct pipe_query *query, boolean wait,
 119                             union pipe_query_result *result)
 120 {
 121    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 122
 123    return pipe->get_query_result(pipe, dd_query_unwrap(query), wait, result);
 124 }
 125
 126 static void
 127 dd_context_set_active_query_state(struct pipe_context *_pipe, boolean enable)
 128 {
 129    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 130
 131    pipe->set_active_query_state(pipe, enable);
 132 }
 133
 134 static void
 135 dd_context_render_condition(struct pipe_context *_pipe,
 136                             struct pipe_query *query, boolean condition,
 137                             uint mode)
 138 {
 139    struct dd_context *dctx = dd_context(_pipe);
 140    struct pipe_context *pipe = dctx->pipe;
 141
 142    pipe->render_condition(pipe, dd_query_unwrap(query), condition, mode);
 143    dctx->render_cond.query = dd_query(query);
 144    dctx->render_cond.condition = condition;
 145    dctx->render_cond.mode = mode;
 146 }
 147
 148
 149 /********************************************************************
 150  * constant (immutable) non-shader states
 151  */
 152
 153 #define DD_CSO_CREATE(name, shortname) \
 154    static void * \
 155    dd_context_create_##name##_state(struct pipe_context *_pipe, \
 156                                     const struct pipe_##name##_state *state) \
 157    { \
 158       struct pipe_context *pipe = dd_context(_pipe)->pipe; \
 159       struct dd_state *hstate = CALLOC_STRUCT(dd_state); \
 160  \
 161       if (!hstate) \
 162          return NULL; \
 163       hstate->cso = pipe->create_##name##_state(pipe, state); \
 164       hstate->state.shortname = *state; \
 165       return hstate; \
 166    }
 167
 168 #define DD_CSO_BIND(name, shortname) \
 169    static void \
 170    dd_context_bind_##name##_state(struct pipe_context *_pipe, void *state) \
 171    { \
 172       struct dd_context *dctx = dd_context(_pipe); \
 173       struct pipe_context *pipe = dctx->pipe; \
 174       struct dd_state *hstate = state; \
 175  \
 176       dctx->shortname = hstate; \
 177       pipe->bind_##name##_state(pipe, hstate ? hstate->cso : NULL); \
 178    }
 179
 180 #define DD_CSO_DELETE(name) \
 181    static void \
 182    dd_context_delete_##name##_state(struct pipe_context *_pipe, void *state) \
 183    { \
 184       struct dd_context *dctx = dd_context(_pipe); \
 185       struct pipe_context *pipe = dctx->pipe; \
 186       struct dd_state *hstate = state; \
 187  \
 188       pipe->delete_##name##_state(pipe, hstate->cso); \
 189       FREE(hstate); \
 190    }
 191
 192 #define DD_CSO_WHOLE(name, shortname) \
 193    DD_CSO_CREATE(name, shortname) \
 194    DD_CSO_BIND(name, shortname) \
 195    DD_CSO_DELETE(name)
 196
 197 DD_CSO_WHOLE(blend, blend)
 198 DD_CSO_WHOLE(rasterizer, rs)
 199 DD_CSO_WHOLE(depth_stencil_alpha, dsa)
 200
 201 DD_CSO_CREATE(sampler, sampler)
 202 DD_CSO_DELETE(sampler)
 203
 204 static void
 205 dd_context_bind_sampler_states(struct pipe_context *_pipe, unsigned shader,
 206                                unsigned start, unsigned count, void **states)
 207 {
 208    struct dd_context *dctx = dd_context(_pipe);
 209    struct pipe_context *pipe = dctx->pipe;
 210
 211    memcpy(&dctx->sampler_states[shader][start], states,
 212           sizeof(void*) * count);
 213
 214    if (states) {
 215       void *samp[PIPE_MAX_SAMPLERS];
 216       int i;
 217
 218       for (i = 0; i < count; i++) {
 219          struct dd_state *s = states[i];
 220          samp[i] = s ? s->cso : NULL;
 221       }
 222
 223       pipe->bind_sampler_states(pipe, shader, start, count, samp);
 224    }
 225    else
 226       pipe->bind_sampler_states(pipe, shader, start, count, NULL);
 227 }
 228
 229 static void *
 230 dd_context_create_vertex_elements_state(struct pipe_context *_pipe,
 231                                         unsigned num_elems,
 232                                         const struct pipe_vertex_element *elems)
 233 {
 234    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 235    struct dd_state *hstate = CALLOC_STRUCT(dd_state);
 236
 237    if (!hstate)
 238       return NULL;
 239    hstate->cso = pipe->create_vertex_elements_state(pipe, num_elems, elems);
 240    memcpy(hstate->state.velems.velems, elems, sizeof(elems[0]) * num_elems);
 241    hstate->state.velems.count = num_elems;
 242    return hstate;
 243 }
 244
 245 DD_CSO_BIND(vertex_elements, velems)
 246 DD_CSO_DELETE(vertex_elements)
 247
 248
 249 /********************************************************************
 250  * shaders
 251  */
 252
 253 #define DD_SHADER(NAME, name) \
 254    static void * \
 255    dd_context_create_##name##_state(struct pipe_context *_pipe, \
 256                                     const struct pipe_shader_state *state) \
 257    { \
 258       struct pipe_context *pipe = dd_context(_pipe)->pipe; \
 259       struct dd_state *hstate = CALLOC_STRUCT(dd_state); \
 260  \
 261       if (!hstate) \
 262          return NULL; \
 263       hstate->cso = pipe->create_##name##_state(pipe, state); \
 264       hstate->state.shader = *state; \
 265       hstate->state.shader.tokens = tgsi_dup_tokens(state->tokens); \
 266       return hstate; \
 267    } \
 268     \
 269    static void \
 270    dd_context_bind_##name##_state(struct pipe_context *_pipe, void *state) \
 271    { \
 272       struct dd_context *dctx = dd_context(_pipe); \
 273       struct pipe_context *pipe = dctx->pipe; \
 274       struct dd_state *hstate = state; \
 275    \
 276       dctx->shaders[PIPE_SHADER_##NAME] = hstate; \
 277       pipe->bind_##name##_state(pipe, hstate ? hstate->cso : NULL); \
 278    } \
 279     \
 280    static void \
 281    dd_context_delete_##name##_state(struct pipe_context *_pipe, void *state) \
 282    { \
 283       struct dd_context *dctx = dd_context(_pipe); \
 284       struct pipe_context *pipe = dctx->pipe; \
 285       struct dd_state *hstate = state; \
 286    \
 287       pipe->delete_##name##_state(pipe, hstate->cso); \
 288       tgsi_free_tokens(hstate->state.shader.tokens); \
 289       FREE(hstate); \
 290    }
 291
 292 DD_SHADER(FRAGMENT, fs)
 293 DD_SHADER(VERTEX, vs)
 294 DD_SHADER(GEOMETRY, gs)
 295 DD_SHADER(TESS_CTRL, tcs)
 296 DD_SHADER(TESS_EVAL, tes)
 297
 298
 299 /********************************************************************
 300  * immediate states
 301  */
 302
 303 #define DD_IMM_STATE(name, type, deref, ref) \
 304    static void \
 305    dd_context_set_##name(struct pipe_context *_pipe, type deref) \
 306    { \
 307       struct dd_context *dctx = dd_context(_pipe); \
 308       struct pipe_context *pipe = dctx->pipe; \
 309  \
 310       dctx->name = deref; \
 311       pipe->set_##name(pipe, ref); \
 312    }
 313
 314 DD_IMM_STATE(blend_color, const struct pipe_blend_color, *state, state)
 315 DD_IMM_STATE(stencil_ref, const struct pipe_stencil_ref, *state, state)
 316 DD_IMM_STATE(clip_state, const struct pipe_clip_state, *state, state)
 317 DD_IMM_STATE(sample_mask, unsigned, sample_mask, sample_mask)
 318 DD_IMM_STATE(min_samples, unsigned, min_samples, min_samples)
 319 DD_IMM_STATE(framebuffer_state, const struct pipe_framebuffer_state, *state, state)
 320 DD_IMM_STATE(polygon_stipple, const struct pipe_poly_stipple, *state, state)
 321
 322 static void
 323 dd_context_set_constant_buffer(struct pipe_context *_pipe,
 324                                uint shader, uint index,
 325                                struct pipe_constant_buffer *constant_buffer)
 326 {
 327    struct dd_context *dctx = dd_context(_pipe);
 328    struct pipe_context *pipe = dctx->pipe;
 329
 330    safe_memcpy(&dctx->constant_buffers[shader][index], constant_buffer,
 331           sizeof(*constant_buffer));
 332    pipe->set_constant_buffer(pipe, shader, index, constant_buffer);
 333 }
 334
 335 static void
 336 dd_context_set_scissor_states(struct pipe_context *_pipe,
 337                               unsigned start_slot, unsigned num_scissors,
 338                               const struct pipe_scissor_state *states)
 339 {
 340    struct dd_context *dctx = dd_context(_pipe);
 341    struct pipe_context *pipe = dctx->pipe;
 342
 343    safe_memcpy(&dctx->scissors[start_slot], states,
 344                sizeof(*states) * num_scissors);
 345    pipe->set_scissor_states(pipe, start_slot, num_scissors, states);
 346 }
 347
 348 static void
 349 dd_context_set_viewport_states(struct pipe_context *_pipe,
 350                                unsigned start_slot, unsigned num_viewports,
 351                                const struct pipe_viewport_state *states)
 352 {
 353    struct dd_context *dctx = dd_context(_pipe);
 354    struct pipe_context *pipe = dctx->pipe;
 355
 356    safe_memcpy(&dctx->viewports[start_slot], states,
 357                sizeof(*states) * num_viewports);
 358    pipe->set_viewport_states(pipe, start_slot, num_viewports, states);
 359 }
 360
 361 static void dd_context_set_tess_state(struct pipe_context *_pipe,
 362                                       const float default_outer_level[4],
 363                                       const float default_inner_level[2])
 364 {
 365    struct dd_context *dctx = dd_context(_pipe);
 366    struct pipe_context *pipe = dctx->pipe;
 367
 368    memcpy(dctx->tess_default_levels, default_outer_level, sizeof(float) * 4);
 369    memcpy(dctx->tess_default_levels+4, default_inner_level, sizeof(float) * 2);
 370    pipe->set_tess_state(pipe, default_outer_level, default_inner_level);
 371 }
 372
 373
 374 /********************************************************************
 375  * views
 376  */
 377
 378 static struct pipe_surface *
 379 dd_context_create_surface(struct pipe_context *_pipe,
 380                           struct pipe_resource *resource,
 381                           const struct pipe_surface *surf_tmpl)
 382 {
 383    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 384    struct pipe_surface *view =
 385       pipe->create_surface(pipe, resource, surf_tmpl);
 386
 387    if (!view)
 388       return NULL;
 389    view->context = _pipe;
 390    return view;
 391 }
 392
 393 static void
 394 dd_context_surface_destroy(struct pipe_context *_pipe,
 395                            struct pipe_surface *surf)
 396 {
 397    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 398
 399    pipe->surface_destroy(pipe, surf);
 400 }
 401
 402 static struct pipe_sampler_view *
 403 dd_context_create_sampler_view(struct pipe_context *_pipe,
 404                                struct pipe_resource *resource,
 405                                const struct pipe_sampler_view *templ)
 406 {
 407    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 408    struct pipe_sampler_view *view =
 409       pipe->create_sampler_view(pipe, resource, templ);
 410
 411    if (!view)
 412       return NULL;
 413    view->context = _pipe;
 414    return view;
 415 }
 416
 417 static void
 418 dd_context_sampler_view_destroy(struct pipe_context *_pipe,
 419                                 struct pipe_sampler_view *view)
 420 {
 421    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 422
 423    pipe->sampler_view_destroy(pipe, view);
 424 }
 425
 426 static struct pipe_stream_output_target *
 427 dd_context_create_stream_output_target(struct pipe_context *_pipe,
 428                                        struct pipe_resource *res,
 429                                        unsigned buffer_offset,
 430                                        unsigned buffer_size)
 431 {
 432    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 433    struct pipe_stream_output_target *view =
 434       pipe->create_stream_output_target(pipe, res, buffer_offset,
 435                                         buffer_size);
 436
 437    if (!view)
 438       return NULL;
 439    view->context = _pipe;
 440    return view;
 441 }
 442
 443 static void
 444 dd_context_stream_output_target_destroy(struct pipe_context *_pipe,
 445                                         struct pipe_stream_output_target *target)
 446 {
 447    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 448
 449    pipe->stream_output_target_destroy(pipe, target);
 450 }
 451
 452
 453 /********************************************************************
 454  * set states
 455  */
 456
 457 static void
 458 dd_context_set_sampler_views(struct pipe_context *_pipe, unsigned shader,
 459                              unsigned start, unsigned num,
 460                              struct pipe_sampler_view **views)
 461 {
 462    struct dd_context *dctx = dd_context(_pipe);
 463    struct pipe_context *pipe = dctx->pipe;
 464
 465    safe_memcpy(&dctx->sampler_views[shader][start], views,
 466                sizeof(views[0]) * num);
 467    pipe->set_sampler_views(pipe, shader, start, num, views);
 468 }
 469
 470 static void
 471 dd_context_set_shader_images(struct pipe_context *_pipe, unsigned shader,
 472                              unsigned start, unsigned num,
 473                              struct pipe_image_view *views)
 474 {
 475    struct dd_context *dctx = dd_context(_pipe);
 476    struct pipe_context *pipe = dctx->pipe;
 477
 478    safe_memcpy(&dctx->shader_images[shader][start], views,
 479                sizeof(views[0]) * num);
 480    pipe->set_shader_images(pipe, shader, start, num, views);
 481 }
 482
 483 static void
 484 dd_context_set_shader_buffers(struct pipe_context *_pipe, unsigned shader,
 485                               unsigned start, unsigned num_buffers,
 486                               struct pipe_shader_buffer *buffers)
 487 {
 488    struct dd_context *dctx = dd_context(_pipe);
 489    struct pipe_context *pipe = dctx->pipe;
 490
 491    safe_memcpy(&dctx->shader_buffers[shader][start], buffers,
 492                sizeof(buffers[0]) * num_buffers);
 493    pipe->set_shader_buffers(pipe, shader, start, num_buffers, buffers);
 494 }
 495
 496 static void
 497 dd_context_set_vertex_buffers(struct pipe_context *_pipe,
 498                               unsigned start, unsigned num_buffers,
 499                               const struct pipe_vertex_buffer *buffers)
 500 {
 501    struct dd_context *dctx = dd_context(_pipe);
 502    struct pipe_context *pipe = dctx->pipe;
 503
 504    safe_memcpy(&dctx->vertex_buffers[start], buffers,
 505                sizeof(buffers[0]) * num_buffers);
 506    pipe->set_vertex_buffers(pipe, start, num_buffers, buffers);
 507 }
 508
 509 static void
 510 dd_context_set_index_buffer(struct pipe_context *_pipe,
 511                             const struct pipe_index_buffer *ib)
 512 {
 513    struct dd_context *dctx = dd_context(_pipe);
 514    struct pipe_context *pipe = dctx->pipe;
 515
 516    safe_memcpy(&dctx->index_buffer, ib, sizeof(*ib));
 517    pipe->set_index_buffer(pipe, ib);
 518 }
 519
 520 static void
 521 dd_context_set_stream_output_targets(struct pipe_context *_pipe,
 522                                      unsigned num_targets,
 523                                      struct pipe_stream_output_target **tgs,
 524                                      const unsigned *offsets)
 525 {
 526    struct dd_context *dctx = dd_context(_pipe);
 527    struct pipe_context *pipe = dctx->pipe;
 528
 529    dctx->num_so_targets = num_targets;
 530    safe_memcpy(dctx->so_targets, tgs, sizeof(*tgs) * num_targets);
 531    safe_memcpy(dctx->so_offsets, offsets, sizeof(*offsets) * num_targets);
 532    pipe->set_stream_output_targets(pipe, num_targets, tgs, offsets);
 533 }
 534
 535 static void
 536 dd_context_destroy(struct pipe_context *_pipe)
 537 {
 538    struct dd_context *dctx = dd_context(_pipe);
 539    struct pipe_context *pipe = dctx->pipe;
 540
 541    pipe->destroy(pipe);
 542    FREE(dctx);
 543 }
 544
 545
 546 /********************************************************************
 547  * transfer
 548  */
 549
 550 static void *
 551 dd_context_transfer_map(struct pipe_context *_pipe,
 552                         struct pipe_resource *resource, unsigned level,
 553                         unsigned usage, const struct pipe_box *box,
 554                         struct pipe_transfer **transfer)
 555 {
 556    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 557
 558    return pipe->transfer_map(pipe, resource, level, usage, box, transfer);
 559 }
 560
 561 static void
 562 dd_context_transfer_flush_region(struct pipe_context *_pipe,
 563                                  struct pipe_transfer *transfer,
 564                                  const struct pipe_box *box)
 565 {
 566    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 567
 568    pipe->transfer_flush_region(pipe, transfer, box);
 569 }
 570
 571 static void
 572 dd_context_transfer_unmap(struct pipe_context *_pipe,
 573                           struct pipe_transfer *transfer)
 574 {
 575    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 576
 577    pipe->transfer_unmap(pipe, transfer);
 578 }
 579
 580 static void
 581 dd_context_transfer_inline_write(struct pipe_context *_pipe,
 582                                  struct pipe_resource *resource,
 583                                  unsigned level, unsigned usage,
 584                                  const struct pipe_box *box,
 585                                  const void *data, unsigned stride,
 586                                  unsigned layer_stride)
 587 {
 588    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 589
 590    pipe->transfer_inline_write(pipe, resource, level, usage, box, data,
 591                                stride, layer_stride);
 592 }
 593
 594
 595 /********************************************************************
 596  * miscellaneous
 597  */
 598
 599 static void
 600 dd_context_texture_barrier(struct pipe_context *_pipe)
 601 {
 602    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 603
 604    pipe->texture_barrier(pipe);
 605 }
 606
 607 static void
 608 dd_context_memory_barrier(struct pipe_context *_pipe, unsigned flags)
 609 {
 610    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 611
 612    pipe->memory_barrier(pipe, flags);
 613 }
 614
 615 static void
 616 dd_context_get_sample_position(struct pipe_context *_pipe,
 617                                unsigned sample_count, unsigned sample_index,
 618                                float *out_value)
 619 {
 620    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 621
 622    return pipe->get_sample_position(pipe, sample_count, sample_index,
 623                                     out_value);
 624 }
 625
 626 static void
 627 dd_context_invalidate_resource(struct pipe_context *_pipe,
 628                                struct pipe_resource *resource)
 629 {
 630    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 631
 632    pipe->invalidate_resource(pipe, resource);
 633 }
 634
 635 static enum pipe_reset_status
 636 dd_context_get_device_reset_status(struct pipe_context *_pipe)
 637 {
 638    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 639
 640    return pipe->get_device_reset_status(pipe);
 641 }
 642
 643 static void
 644 dd_context_dump_debug_state(struct pipe_context *_pipe, FILE *stream,
 645                             unsigned flags)
 646 {
 647    struct pipe_context *pipe = dd_context(_pipe)->pipe;
 648
 649    return pipe->dump_debug_state(pipe, stream, flags);
 650 }
 651
 652 struct pipe_context *
 653 dd_context_create(struct dd_screen *dscreen, struct pipe_context *pipe)
 654 {
 655    struct dd_context *dctx;
 656
 657    if (!pipe)
 658       return NULL;
 659
 660    dctx = CALLOC_STRUCT(dd_context);
 661    if (!dctx) {
 662       pipe->destroy(pipe);
 663       return NULL;
 664    }
 665
 666    dctx->pipe = pipe;
 667    dctx->base.priv = pipe->priv; /* expose wrapped priv data */
 668    dctx->base.screen = &dscreen->base;
 669
 670    dctx->base.destroy = dd_context_destroy;
 671
 672    CTX_INIT(render_condition);
 673    CTX_INIT(create_query);
 674    CTX_INIT(destroy_query);
 675    CTX_INIT(begin_query);
 676    CTX_INIT(end_query);
 677    CTX_INIT(get_query_result);
 678    CTX_INIT(set_active_query_state);
 679    CTX_INIT(create_blend_state);
 680    CTX_INIT(bind_blend_state);
 681    CTX_INIT(delete_blend_state);
 682    CTX_INIT(create_sampler_state);
 683    CTX_INIT(bind_sampler_states);
 684    CTX_INIT(delete_sampler_state);
 685    CTX_INIT(create_rasterizer_state);
 686    CTX_INIT(bind_rasterizer_state);
 687    CTX_INIT(delete_rasterizer_state);
 688    CTX_INIT(create_depth_stencil_alpha_state);
 689    CTX_INIT(bind_depth_stencil_alpha_state);
 690    CTX_INIT(delete_depth_stencil_alpha_state);
 691    CTX_INIT(create_fs_state);
 692    CTX_INIT(bind_fs_state);
 693    CTX_INIT(delete_fs_state);
 694    CTX_INIT(create_vs_state);
 695    CTX_INIT(bind_vs_state);
 696    CTX_INIT(delete_vs_state);
 697    CTX_INIT(create_gs_state);
 698    CTX_INIT(bind_gs_state);
 699    CTX_INIT(delete_gs_state);
 700    CTX_INIT(create_tcs_state);
 701    CTX_INIT(bind_tcs_state);
 702    CTX_INIT(delete_tcs_state);
 703    CTX_INIT(create_tes_state);
 704    CTX_INIT(bind_tes_state);
 705    CTX_INIT(delete_tes_state);
 706    CTX_INIT(create_vertex_elements_state);
 707    CTX_INIT(bind_vertex_elements_state);
 708    CTX_INIT(delete_vertex_elements_state);
 709    CTX_INIT(set_blend_color);
 710    CTX_INIT(set_stencil_ref);
 711    CTX_INIT(set_sample_mask);
 712    CTX_INIT(set_min_samples);
 713    CTX_INIT(set_clip_state);
 714    CTX_INIT(set_constant_buffer);
 715    CTX_INIT(set_framebuffer_state);
 716    CTX_INIT(set_polygon_stipple);
 717    CTX_INIT(set_scissor_states);
 718    CTX_INIT(set_viewport_states);
 719    CTX_INIT(set_sampler_views);
 720    CTX_INIT(set_tess_state);
 721    CTX_INIT(set_shader_buffers);
 722    CTX_INIT(set_shader_images);
 723    CTX_INIT(set_vertex_buffers);
 724    CTX_INIT(set_index_buffer);
 725    CTX_INIT(create_stream_output_target);
 726    CTX_INIT(stream_output_target_destroy);
 727    CTX_INIT(set_stream_output_targets);
 728    CTX_INIT(create_sampler_view);
 729    CTX_INIT(sampler_view_destroy);
 730    CTX_INIT(create_surface);
 731    CTX_INIT(surface_destroy);
 732    CTX_INIT(transfer_map);
 733    CTX_INIT(transfer_flush_region);
 734    CTX_INIT(transfer_unmap);
 735    CTX_INIT(transfer_inline_write);
 736    CTX_INIT(texture_barrier);
 737    CTX_INIT(memory_barrier);
 738    /* create_video_codec */
 739    /* create_video_buffer */
 740    /* create_compute_state */
 741    /* bind_compute_state */
 742    /* delete_compute_state */
 743    /* set_compute_resources */
 744    /* set_global_binding */
 745    CTX_INIT(get_sample_position);
 746    CTX_INIT(invalidate_resource);
 747    CTX_INIT(get_device_reset_status);
 748    CTX_INIT(dump_debug_state);
 749
 750    dd_init_draw_functions(dctx);
 751
 752    dctx->sample_mask = ~0;
 753    return &dctx->base;
 754 }