src/mesa/state_tracker/st_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 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 "main/accum.h"
  30 #include "main/api_exec.h"
  31 #include "main/context.h"
  32 #include "main/glthread.h"
  33 #include "main/samplerobj.h"
  34 #include "main/shaderobj.h"
  35 #include "main/version.h"
  36 #include "main/vtxfmt.h"
  37 #include "main/hash.h"
  38 #include "program/prog_cache.h"
  39 #include "vbo/vbo.h"
  40 #include "glapi/glapi.h"
  41 #include "st_manager.h"
  42 #include "st_context.h"
  43 #include "st_debug.h"
  44 #include "st_cb_bitmap.h"
  45 #include "st_cb_blit.h"
  46 #include "st_cb_bufferobjects.h"
  47 #include "st_cb_clear.h"
  48 #include "st_cb_compute.h"
  49 #include "st_cb_condrender.h"
  50 #include "st_cb_copyimage.h"
  51 #include "st_cb_drawpixels.h"
  52 #include "st_cb_rasterpos.h"
  53 #include "st_cb_drawtex.h"
  54 #include "st_cb_eglimage.h"
  55 #include "st_cb_fbo.h"
  56 #include "st_cb_feedback.h"
  57 #include "st_cb_memoryobjects.h"
  58 #include "st_cb_msaa.h"
  59 #include "st_cb_perfmon.h"
  60 #include "st_cb_perfquery.h"
  61 #include "st_cb_program.h"
  62 #include "st_cb_queryobj.h"
  63 #include "st_cb_readpixels.h"
  64 #include "st_cb_semaphoreobjects.h"
  65 #include "st_cb_texture.h"
  66 #include "st_cb_xformfb.h"
  67 #include "st_cb_flush.h"
  68 #include "st_cb_syncobj.h"
  69 #include "st_cb_strings.h"
  70 #include "st_cb_texturebarrier.h"
  71 #include "st_cb_viewport.h"
  72 #include "st_atom.h"
  73 #include "st_draw.h"
  74 #include "st_extensions.h"
  75 #include "st_gen_mipmap.h"
  76 #include "st_pbo.h"
  77 #include "st_program.h"
  78 #include "st_sampler_view.h"
  79 #include "st_shader_cache.h"
  80 #include "st_vdpau.h"
  81 #include "st_texture.h"
  82 #include "st_util.h"
  83 #include "pipe/p_context.h"
  84 #include "util/u_cpu_detect.h"
  85 #include "util/u_inlines.h"
  86 #include "util/u_upload_mgr.h"
  87 #include "util/u_vbuf.h"
  88 #include "util/u_memory.h"
  89 #include "cso_cache/cso_context.h"
  90 #include "compiler/glsl/glsl_parser_extras.h"
  91
  92
  93 DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE)
  94
  95
  96 /**
  97  * Called via ctx->Driver.Enable()
  98  */
  99 static void
 100 st_Enable(struct gl_context *ctx, GLenum cap, GLboolean state)
 101 {
 102    struct st_context *st = st_context(ctx);
 103
 104    switch (cap) {
 105    case GL_DEBUG_OUTPUT:
 106    case GL_DEBUG_OUTPUT_SYNCHRONOUS:
 107       st_update_debug_callback(st);
 108       break;
 109    case GL_BLACKHOLE_RENDER_INTEL:
 110       st->pipe->set_frontend_noop(st->pipe, ctx->IntelBlackholeRender);
 111       break;
 112    default:
 113       break;
 114    }
 115 }
 116
 117
 118 /**
 119  * Called via ctx->Driver.QueryMemoryInfo()
 120  */
 121 static void
 122 st_query_memory_info(struct gl_context *ctx, struct gl_memory_info *out)
 123 {
 124    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 125    struct pipe_memory_info info;
 126
 127    assert(screen->query_memory_info);
 128    if (!screen->query_memory_info)
 129       return;
 130
 131    screen->query_memory_info(screen, &info);
 132
 133    out->total_device_memory = info.total_device_memory;
 134    out->avail_device_memory = info.avail_device_memory;
 135    out->total_staging_memory = info.total_staging_memory;
 136    out->avail_staging_memory = info.avail_staging_memory;
 137    out->device_memory_evicted = info.device_memory_evicted;
 138    out->nr_device_memory_evictions = info.nr_device_memory_evictions;
 139 }
 140
 141
 142 static uint64_t
 143 st_get_active_states(struct gl_context *ctx)
 144 {
 145    struct st_program *vp =
 146       st_program(ctx->VertexProgram._Current);
 147    struct st_program *tcp =
 148       st_program(ctx->TessCtrlProgram._Current);
 149    struct st_program *tep =
 150       st_program(ctx->TessEvalProgram._Current);
 151    struct st_program *gp =
 152       st_program(ctx->GeometryProgram._Current);
 153    struct st_program *fp =
 154       st_program(ctx->FragmentProgram._Current);
 155    struct st_program *cp =
 156       st_program(ctx->ComputeProgram._Current);
 157    uint64_t active_shader_states = 0;
 158
 159    if (vp)
 160       active_shader_states |= vp->affected_states;
 161    if (tcp)
 162       active_shader_states |= tcp->affected_states;
 163    if (tep)
 164       active_shader_states |= tep->affected_states;
 165    if (gp)
 166       active_shader_states |= gp->affected_states;
 167    if (fp)
 168       active_shader_states |= fp->affected_states;
 169    if (cp)
 170       active_shader_states |= cp->affected_states;
 171
 172    /* Mark non-shader-resource shader states as "always active". */
 173    return active_shader_states | ~ST_ALL_SHADER_RESOURCES;
 174 }
 175
 176
 177 void
 178 st_invalidate_buffers(struct st_context *st)
 179 {
 180    st->dirty |= ST_NEW_BLEND |
 181                 ST_NEW_DSA |
 182                 ST_NEW_FB_STATE |
 183                 ST_NEW_SAMPLE_STATE |
 184                 ST_NEW_SAMPLE_SHADING |
 185                 ST_NEW_FS_STATE |
 186                 ST_NEW_POLY_STIPPLE |
 187                 ST_NEW_VIEWPORT |
 188                 ST_NEW_RASTERIZER |
 189                 ST_NEW_SCISSOR |
 190                 ST_NEW_WINDOW_RECTANGLES;
 191 }
 192
 193
 194 static inline bool
 195 st_vp_uses_current_values(const struct gl_context *ctx)
 196 {
 197    const uint64_t inputs = ctx->VertexProgram._Current->info.inputs_read;
 198    return _mesa_draw_current_bits(ctx) & inputs;
 199 }
 200
 201
 202 /**
 203  * Called via ctx->Driver.UpdateState()
 204  */
 205 static void
 206 st_invalidate_state(struct gl_context *ctx)
 207 {
 208    GLbitfield new_state = ctx->NewState;
 209    struct st_context *st = st_context(ctx);
 210
 211    if (new_state & _NEW_BUFFERS) {
 212       st_invalidate_buffers(st);
 213    } else {
 214       /* These set a subset of flags set by _NEW_BUFFERS, so we only have to
 215        * check them when _NEW_BUFFERS isn't set.
 216        */
 217       if (new_state & _NEW_PROGRAM)
 218          st->dirty |= ST_NEW_RASTERIZER;
 219
 220       if (new_state & _NEW_FOG)
 221          st->dirty |= ST_NEW_FS_STATE;
 222    }
 223
 224    if (new_state & (_NEW_LIGHT |
 225                     _NEW_POINT))
 226       st->dirty |= ST_NEW_RASTERIZER;
 227
 228    if ((new_state & _NEW_LIGHT) &&
 229        (st->lower_flatshade || st->lower_two_sided_color))
 230       st->dirty |= ST_NEW_FS_STATE;
 231
 232    if (new_state & _NEW_PROJECTION &&
 233        st_user_clip_planes_enabled(ctx))
 234       st->dirty |= ST_NEW_CLIP_STATE;
 235
 236    if (new_state & _NEW_PIXEL)
 237       st->dirty |= ST_NEW_PIXEL_TRANSFER;
 238
 239    if (new_state & _NEW_CURRENT_ATTRIB && st_vp_uses_current_values(ctx))
 240       st->dirty |= ST_NEW_VERTEX_ARRAYS;
 241
 242    if (st->clamp_frag_depth_in_shader && (new_state & _NEW_VIEWPORT)) {
 243       if (ctx->GeometryProgram._Current)
 244          st->dirty |= ST_NEW_GS_CONSTANTS;
 245       else if (ctx->TessEvalProgram._Current)
 246          st->dirty |= ST_NEW_TES_CONSTANTS;
 247       else
 248          st->dirty |= ST_NEW_VS_CONSTANTS;
 249       st->dirty |= ST_NEW_FS_CONSTANTS;
 250    }
 251
 252    /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */
 253    if (st->clamp_vert_color_in_shader && (new_state & _NEW_LIGHT)) {
 254       st->dirty |= ST_NEW_VS_STATE;
 255       if (st->ctx->API == API_OPENGL_COMPAT && ctx->Version >= 32) {
 256          st->dirty |= ST_NEW_GS_STATE | ST_NEW_TES_STATE;
 257       }
 258    }
 259
 260    /* Which shaders are dirty will be determined manually. */
 261    if (new_state & _NEW_PROGRAM) {
 262       st->gfx_shaders_may_be_dirty = true;
 263       st->compute_shader_may_be_dirty = true;
 264       /* This will mask out unused shader resources. */
 265       st->active_states = st_get_active_states(ctx);
 266    }
 267
 268    if (new_state & _NEW_TEXTURE_OBJECT) {
 269       st->dirty |= st->active_states &
 270                    (ST_NEW_SAMPLER_VIEWS |
 271                     ST_NEW_SAMPLERS |
 272                     ST_NEW_IMAGE_UNITS);
 273       if (ctx->FragmentProgram._Current &&
 274           ctx->FragmentProgram._Current->ExternalSamplersUsed) {
 275          st->dirty |= ST_NEW_FS_STATE;
 276       }
 277    }
 278 }
 279
 280
 281 /*
 282  * In some circumstances (such as running google-chrome) the state
 283  * tracker may try to delete a resource view from a context different
 284  * than when it was created.  We don't want to do that.
 285  *
 286  * In that situation, st_texture_release_all_sampler_views() calls this
 287  * function to transfer the sampler view reference to this context (expected
 288  * to be the context which created the view.)
 289  */
 290 void
 291 st_save_zombie_sampler_view(struct st_context *st,
 292                             struct pipe_sampler_view *view)
 293 {
 294    struct st_zombie_sampler_view_node *entry;
 295
 296    assert(view->context == st->pipe);
 297
 298    entry = MALLOC_STRUCT(st_zombie_sampler_view_node);
 299    if (!entry)
 300       return;
 301
 302    entry->view = view;
 303
 304    /* We need a mutex since this function may be called from one thread
 305     * while free_zombie_resource_views() is called from another.
 306     */
 307    simple_mtx_lock(&st->zombie_sampler_views.mutex);
 308    list_addtail(&entry->node, &st->zombie_sampler_views.list.node);
 309    simple_mtx_unlock(&st->zombie_sampler_views.mutex);
 310 }
 311
 312
 313 /*
 314  * Since OpenGL shaders may be shared among contexts, we can wind up
 315  * with variants of a shader created with different contexts.
 316  * When we go to destroy a gallium shader, we want to free it with the
 317  * same context that it was created with, unless the driver reports
 318  * PIPE_CAP_SHAREABLE_SHADERS = TRUE.
 319  */
 320 void
 321 st_save_zombie_shader(struct st_context *st,
 322                       enum pipe_shader_type type,
 323                       struct pipe_shader_state *shader)
 324 {
 325    struct st_zombie_shader_node *entry;
 326
 327    /* we shouldn't be here if the driver supports shareable shaders */
 328    assert(!st->has_shareable_shaders);
 329
 330    entry = MALLOC_STRUCT(st_zombie_shader_node);
 331    if (!entry)
 332       return;
 333
 334    entry->shader = shader;
 335    entry->type = type;
 336
 337    /* We need a mutex since this function may be called from one thread
 338     * while free_zombie_shaders() is called from another.
 339     */
 340    simple_mtx_lock(&st->zombie_shaders.mutex);
 341    list_addtail(&entry->node, &st->zombie_shaders.list.node);
 342    simple_mtx_unlock(&st->zombie_shaders.mutex);
 343 }
 344
 345
 346 /*
 347  * Free any zombie sampler views that may be attached to this context.
 348  */
 349 static void
 350 free_zombie_sampler_views(struct st_context *st)
 351 {
 352    struct st_zombie_sampler_view_node *entry, *next;
 353
 354    if (list_is_empty(&st->zombie_sampler_views.list.node)) {
 355       return;
 356    }
 357
 358    simple_mtx_lock(&st->zombie_sampler_views.mutex);
 359
 360    LIST_FOR_EACH_ENTRY_SAFE(entry, next,
 361                             &st->zombie_sampler_views.list.node, node) {
 362       list_del(&entry->node);  // remove this entry from the list
 363
 364       assert(entry->view->context == st->pipe);
 365       pipe_sampler_view_reference(&entry->view, NULL);
 366
 367       free(entry);
 368    }
 369
 370    assert(list_is_empty(&st->zombie_sampler_views.list.node));
 371
 372    simple_mtx_unlock(&st->zombie_sampler_views.mutex);
 373 }
 374
 375
 376 /*
 377  * Free any zombie shaders that may be attached to this context.
 378  */
 379 static void
 380 free_zombie_shaders(struct st_context *st)
 381 {
 382    struct st_zombie_shader_node *entry, *next;
 383
 384    if (list_is_empty(&st->zombie_shaders.list.node)) {
 385       return;
 386    }
 387
 388    simple_mtx_lock(&st->zombie_shaders.mutex);
 389
 390    LIST_FOR_EACH_ENTRY_SAFE(entry, next,
 391                             &st->zombie_shaders.list.node, node) {
 392       list_del(&entry->node);  // remove this entry from the list
 393
 394       switch (entry->type) {
 395       case PIPE_SHADER_VERTEX:
 396          st->pipe->bind_vs_state(st->pipe, NULL);
 397          st->pipe->delete_vs_state(st->pipe, entry->shader);
 398          break;
 399       case PIPE_SHADER_FRAGMENT:
 400          st->pipe->bind_fs_state(st->pipe, NULL);
 401          st->pipe->delete_fs_state(st->pipe, entry->shader);
 402          break;
 403       case PIPE_SHADER_GEOMETRY:
 404          st->pipe->bind_gs_state(st->pipe, NULL);
 405          st->pipe->delete_gs_state(st->pipe, entry->shader);
 406          break;
 407       case PIPE_SHADER_TESS_CTRL:
 408          st->pipe->bind_tcs_state(st->pipe, NULL);
 409          st->pipe->delete_tcs_state(st->pipe, entry->shader);
 410          break;
 411       case PIPE_SHADER_TESS_EVAL:
 412          st->pipe->bind_tes_state(st->pipe, NULL);
 413          st->pipe->delete_tes_state(st->pipe, entry->shader);
 414          break;
 415       case PIPE_SHADER_COMPUTE:
 416          st->pipe->bind_compute_state(st->pipe, NULL);
 417          st->pipe->delete_compute_state(st->pipe, entry->shader);
 418          break;
 419       default:
 420          unreachable("invalid shader type in free_zombie_shaders()");
 421       }
 422       free(entry);
 423    }
 424
 425    assert(list_is_empty(&st->zombie_shaders.list.node));
 426
 427    simple_mtx_unlock(&st->zombie_shaders.mutex);
 428 }
 429
 430
 431 /*
 432  * This function is called periodically to free any zombie objects
 433  * which are attached to this context.
 434  */
 435 void
 436 st_context_free_zombie_objects(struct st_context *st)
 437 {
 438    free_zombie_sampler_views(st);
 439    free_zombie_shaders(st);
 440 }
 441
 442
 443 static void
 444 st_destroy_context_priv(struct st_context *st, bool destroy_pipe)
 445 {
 446    uint i;
 447
 448    st_destroy_atoms(st);
 449    st_destroy_draw(st);
 450    st_destroy_clear(st);
 451    st_destroy_bitmap(st);
 452    st_destroy_drawpix(st);
 453    st_destroy_drawtex(st);
 454    st_destroy_perfmon(st);
 455    st_destroy_pbo_helpers(st);
 456    st_destroy_bound_texture_handles(st);
 457    st_destroy_bound_image_handles(st);
 458
 459    for (i = 0; i < ARRAY_SIZE(st->state.frag_sampler_views); i++) {
 460       pipe_sampler_view_reference(&st->state.vert_sampler_views[i], NULL);
 461       pipe_sampler_view_reference(&st->state.frag_sampler_views[i], NULL);
 462    }
 463
 464    /* free glReadPixels cache data */
 465    st_invalidate_readpix_cache(st);
 466    util_throttle_deinit(st->pipe->screen, &st->throttle);
 467
 468    cso_destroy_context(st->cso_context);
 469
 470    if (st->pipe && destroy_pipe)
 471       st->pipe->destroy(st->pipe);
 472
 473    free(st);
 474 }
 475
 476
 477 static void
 478 st_init_driver_flags(struct st_context *st)
 479 {
 480    struct gl_driver_flags *f = &st->ctx->DriverFlags;
 481
 482    f->NewArray = ST_NEW_VERTEX_ARRAYS;
 483    f->NewRasterizerDiscard = ST_NEW_RASTERIZER;
 484    f->NewTileRasterOrder = ST_NEW_RASTERIZER;
 485    f->NewUniformBuffer = ST_NEW_UNIFORM_BUFFER;
 486    f->NewDefaultTessLevels = ST_NEW_TESS_STATE;
 487
 488    /* Shader resources */
 489    f->NewTextureBuffer = ST_NEW_SAMPLER_VIEWS;
 490    if (st->has_hw_atomics)
 491       f->NewAtomicBuffer = ST_NEW_HW_ATOMICS | ST_NEW_CS_ATOMICS;
 492    else
 493       f->NewAtomicBuffer = ST_NEW_ATOMIC_BUFFER;
 494    f->NewShaderStorageBuffer = ST_NEW_STORAGE_BUFFER;
 495    f->NewImageUnits = ST_NEW_IMAGE_UNITS;
 496
 497    f->NewShaderConstants[MESA_SHADER_VERTEX] = ST_NEW_VS_CONSTANTS;
 498    f->NewShaderConstants[MESA_SHADER_TESS_CTRL] = ST_NEW_TCS_CONSTANTS;
 499    f->NewShaderConstants[MESA_SHADER_TESS_EVAL] = ST_NEW_TES_CONSTANTS;
 500    f->NewShaderConstants[MESA_SHADER_GEOMETRY] = ST_NEW_GS_CONSTANTS;
 501    f->NewShaderConstants[MESA_SHADER_FRAGMENT] = ST_NEW_FS_CONSTANTS;
 502    f->NewShaderConstants[MESA_SHADER_COMPUTE] = ST_NEW_CS_CONSTANTS;
 503
 504    f->NewWindowRectangles = ST_NEW_WINDOW_RECTANGLES;
 505    f->NewFramebufferSRGB = ST_NEW_FB_STATE;
 506    f->NewScissorRect = ST_NEW_SCISSOR;
 507    f->NewScissorTest = ST_NEW_SCISSOR | ST_NEW_RASTERIZER;
 508
 509    if (st->lower_alpha_test)
 510       f->NewAlphaTest = ST_NEW_FS_STATE;
 511    else
 512       f->NewAlphaTest = ST_NEW_DSA;
 513
 514    f->NewBlend = ST_NEW_BLEND;
 515    f->NewBlendColor = ST_NEW_BLEND_COLOR;
 516    f->NewColorMask = ST_NEW_BLEND;
 517    f->NewDepth = ST_NEW_DSA;
 518    f->NewLogicOp = ST_NEW_BLEND;
 519    f->NewStencil = ST_NEW_DSA;
 520    f->NewMultisampleEnable = ST_NEW_BLEND | ST_NEW_RASTERIZER |
 521                              ST_NEW_SAMPLE_STATE | ST_NEW_SAMPLE_SHADING;
 522    f->NewSampleAlphaToXEnable = ST_NEW_BLEND;
 523    f->NewSampleMask = ST_NEW_SAMPLE_STATE;
 524    f->NewSampleLocations = ST_NEW_SAMPLE_STATE;
 525    f->NewSampleShading = ST_NEW_SAMPLE_SHADING;
 526
 527    /* This depends on what the gallium driver wants. */
 528    if (st->force_persample_in_shader) {
 529       f->NewMultisampleEnable |= ST_NEW_FS_STATE;
 530       f->NewSampleShading |= ST_NEW_FS_STATE;
 531    } else {
 532       f->NewSampleShading |= ST_NEW_RASTERIZER;
 533    }
 534
 535    f->NewClipControl = ST_NEW_VIEWPORT | ST_NEW_RASTERIZER;
 536    f->NewClipPlane = ST_NEW_CLIP_STATE;
 537
 538    if (st->clamp_frag_color_in_shader) {
 539       f->NewFragClamp = ST_NEW_FS_STATE;
 540    } else {
 541       f->NewFragClamp = ST_NEW_RASTERIZER;
 542    }
 543
 544    if (st->clamp_frag_depth_in_shader) {
 545       f->NewClipControl |= ST_NEW_VS_STATE | ST_NEW_GS_STATE |
 546                            ST_NEW_TES_STATE;
 547
 548       f->NewDepthClamp = ST_NEW_FS_STATE | ST_NEW_VS_STATE |
 549                          ST_NEW_GS_STATE | ST_NEW_TES_STATE;
 550    } else {
 551       f->NewDepthClamp = ST_NEW_RASTERIZER;
 552    }
 553
 554    if (st->lower_ucp)
 555       f->NewClipPlaneEnable = ST_NEW_VS_STATE;
 556    else
 557       f->NewClipPlaneEnable = ST_NEW_RASTERIZER;
 558
 559    f->NewLineState = ST_NEW_RASTERIZER;
 560    f->NewPolygonState = ST_NEW_RASTERIZER;
 561    f->NewPolygonStipple = ST_NEW_POLY_STIPPLE;
 562    f->NewViewport = ST_NEW_VIEWPORT;
 563    f->NewNvConservativeRasterization = ST_NEW_RASTERIZER;
 564    f->NewNvConservativeRasterizationParams = ST_NEW_RASTERIZER;
 565    f->NewIntelConservativeRasterization = ST_NEW_RASTERIZER;
 566 }
 567
 568
 569 static struct st_context *
 570 st_create_context_priv(struct gl_context *ctx, struct pipe_context *pipe,
 571                        const struct st_config_options *options, bool no_error)
 572 {
 573    struct pipe_screen *screen = pipe->screen;
 574    uint i;
 575    struct st_context *st = ST_CALLOC_STRUCT( st_context);
 576
 577    st->options = *options;
 578
 579    ctx->st = st;
 580
 581    st->ctx = ctx;
 582    st->pipe = pipe;
 583    st->dirty = ST_ALL_STATES_MASK;
 584
 585    st->can_bind_const_buffer_as_vertex =
 586       screen->get_param(screen, PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX);
 587
 588    /* st/mesa always uploads zero-stride vertex attribs, and other user
 589     * vertex buffers are only possible with a compatibility profile.
 590     * So tell the u_vbuf module that user VBOs are not possible with the Core
 591     * profile, so that u_vbuf is bypassed completely if there is nothing else
 592     * to do.
 593     */
 594    unsigned cso_flags;
 595    switch (ctx->API) {
 596    case API_OPENGL_CORE:
 597       cso_flags = CSO_NO_USER_VERTEX_BUFFERS;
 598       break;
 599    case API_OPENGLES:
 600    case API_OPENGLES2:
 601       cso_flags = CSO_NO_64B_VERTEX_BUFFERS;
 602       break;
 603    default:
 604       cso_flags = 0;
 605       break;
 606    }
 607
 608    st->cso_context = cso_create_context(pipe, cso_flags);
 609
 610    st_init_atoms(st);
 611    st_init_clear(st);
 612    st_init_pbo_helpers(st);
 613
 614    /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
 615    if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
 616       st->internal_target = PIPE_TEXTURE_2D;
 617    else
 618       st->internal_target = PIPE_TEXTURE_RECT;
 619
 620    /* Setup vertex element info for 'struct st_util_vertex'.
 621     */
 622    {
 623       STATIC_ASSERT(sizeof(struct st_util_vertex) == 9 * sizeof(float));
 624
 625       memset(&st->util_velems, 0, sizeof(st->util_velems));
 626       st->util_velems.velems[0].src_offset = 0;
 627       st->util_velems.velems[0].vertex_buffer_index = 0;
 628       st->util_velems.velems[0].src_format = PIPE_FORMAT_R32G32B32_FLOAT;
 629       st->util_velems.velems[1].src_offset = 3 * sizeof(float);
 630       st->util_velems.velems[1].vertex_buffer_index = 0;
 631       st->util_velems.velems[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
 632       st->util_velems.velems[2].src_offset = 7 * sizeof(float);
 633       st->util_velems.velems[2].vertex_buffer_index = 0;
 634       st->util_velems.velems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
 635    }
 636
 637    /* Need these flags:
 638     */
 639    ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 640    ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 641
 642    if (no_error)
 643       ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR;
 644
 645    ctx->Const.PackedDriverUniformStorage =
 646       screen->get_param(screen, PIPE_CAP_PACKED_UNIFORMS);
 647
 648    ctx->Const.BitmapUsesRed =
 649       screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
 650                                   PIPE_TEXTURE_2D, 0, 0,
 651                                   PIPE_BIND_SAMPLER_VIEW);
 652
 653    st->has_stencil_export =
 654       screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
 655    st->has_etc1 = screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8,
 656                                               PIPE_TEXTURE_2D, 0, 0,
 657                                               PIPE_BIND_SAMPLER_VIEW);
 658    st->has_etc2 = screen->is_format_supported(screen, PIPE_FORMAT_ETC2_RGB8,
 659                                               PIPE_TEXTURE_2D, 0, 0,
 660                                               PIPE_BIND_SAMPLER_VIEW);
 661    st->has_astc_2d_ldr =
 662       screen->is_format_supported(screen, PIPE_FORMAT_ASTC_4x4_SRGB,
 663                                   PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW);
 664    st->has_astc_5x5_ldr =
 665       screen->is_format_supported(screen, PIPE_FORMAT_ASTC_5x5_SRGB,
 666                                   PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW);
 667    st->prefer_blit_based_texture_transfer = screen->get_param(screen,
 668                               PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER);
 669    st->force_persample_in_shader =
 670       screen->get_param(screen, PIPE_CAP_SAMPLE_SHADING) &&
 671       !screen->get_param(screen, PIPE_CAP_FORCE_PERSAMPLE_INTERP);
 672    st->has_shareable_shaders = screen->get_param(screen,
 673                                                  PIPE_CAP_SHAREABLE_SHADERS);
 674    st->needs_texcoord_semantic =
 675       screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD);
 676    st->apply_texture_swizzle_to_border_color =
 677       !!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) &
 678          (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 |
 679           PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600));
 680    st->has_time_elapsed =
 681       screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED);
 682    st->has_half_float_packing =
 683       screen->get_param(screen, PIPE_CAP_TGSI_PACK_HALF_FLOAT);
 684    st->has_multi_draw_indirect =
 685       screen->get_param(screen, PIPE_CAP_MULTI_DRAW_INDIRECT);
 686    st->has_single_pipe_stat =
 687       screen->get_param(screen, PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE);
 688    st->has_indep_blend_func =
 689       screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC);
 690    st->needs_rgb_dst_alpha_override =
 691       screen->get_param(screen, PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND);
 692    st->lower_flatshade =
 693       !screen->get_param(screen, PIPE_CAP_FLATSHADE);
 694    st->lower_alpha_test =
 695       !screen->get_param(screen, PIPE_CAP_ALPHA_TEST);
 696    st->lower_point_size =
 697       !screen->get_param(screen, PIPE_CAP_POINT_SIZE_FIXED);
 698    st->lower_two_sided_color =
 699       !screen->get_param(screen, PIPE_CAP_TWO_SIDED_COLOR);
 700    st->lower_ucp =
 701       !screen->get_param(screen, PIPE_CAP_CLIP_PLANES);
 702    st->allow_st_finalize_nir_twice = screen->finalize_nir != NULL;
 703
 704    st->has_hw_atomics =
 705       screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
 706                                PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS)
 707       ? true : false;
 708
 709    util_throttle_init(&st->throttle,
 710                       screen->get_param(screen,
 711                                         PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET));
 712
 713    /* GL limits and extensions */
 714    st_init_limits(pipe->screen, &ctx->Const, &ctx->Extensions);
 715    st_init_extensions(pipe->screen, &ctx->Const,
 716                       &ctx->Extensions, &st->options, ctx->API);
 717
 718    /* FIXME: add support for geometry and tessellation shaders for
 719     * lower_point_size
 720     */
 721    assert(!ctx->Extensions.OES_geometry_shader || !st->lower_point_size);
 722    assert(!ctx->Extensions.ARB_tessellation_shader || !st->lower_point_size);
 723
 724    /* FIXME: add support for geometry and tessellation shaders for
 725     * lower_ucp
 726     */
 727    assert(!ctx->Extensions.OES_geometry_shader || !st->lower_ucp);
 728    assert(!ctx->Extensions.ARB_tessellation_shader || !st->lower_ucp);
 729
 730    if (st_have_perfmon(st)) {
 731       ctx->Extensions.AMD_performance_monitor = GL_TRUE;
 732    }
 733
 734    if (st_have_perfquery(st)) {
 735       ctx->Extensions.INTEL_performance_query = GL_TRUE;
 736    }
 737
 738    /* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */
 739    if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) {
 740       if (!screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_CLAMPED)) {
 741          st->clamp_vert_color_in_shader = GL_TRUE;
 742       }
 743
 744       if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) {
 745          st->clamp_frag_color_in_shader = GL_TRUE;
 746       }
 747
 748       /* For drivers which cannot do color clamping, it's better to just
 749        * disable ARB_color_buffer_float in the core profile, because
 750        * the clamping is deprecated there anyway. */
 751       if (ctx->API == API_OPENGL_CORE &&
 752           (st->clamp_frag_color_in_shader || st->clamp_vert_color_in_shader)) {
 753          st->clamp_vert_color_in_shader = GL_FALSE;
 754          st->clamp_frag_color_in_shader = GL_FALSE;
 755          ctx->Extensions.ARB_color_buffer_float = GL_FALSE;
 756       }
 757    }
 758
 759    if (screen->get_param(screen, PIPE_CAP_DEPTH_CLIP_DISABLE) == 2)
 760       st->clamp_frag_depth_in_shader = true;
 761
 762    /* called after _mesa_create_context/_mesa_init_point, fix default user
 763     * settable max point size up
 764     */
 765    ctx->Point.MaxSize = MAX2(ctx->Const.MaxPointSize,
 766                              ctx->Const.MaxPointSizeAA);
 767    /* For vertex shaders, make sure not to emit saturate when SM 3.0
 768     * is not supported
 769     */
 770    ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitNoSat =
 771       !screen->get_param(screen, PIPE_CAP_VERTEX_SHADER_SATURATE);
 772
 773    ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].PositionAlwaysInvariant = options->vs_position_always_invariant;
 774
 775    enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir)
 776       screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
 777                                PIPE_SHADER_CAP_PREFERRED_IR);
 778    ctx->Const.UseNIRGLSLLinker = preferred_ir == PIPE_SHADER_IR_NIR;
 779
 780    if (ctx->Const.GLSLVersion < 400) {
 781       for (i = 0; i < MESA_SHADER_STAGES; i++)
 782          ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectSampler = true;
 783    }
 784
 785    /* Set which shader types can be compiled at link time. */
 786    st->shader_has_one_variant[MESA_SHADER_VERTEX] =
 787          st->has_shareable_shaders &&
 788          !st->clamp_frag_depth_in_shader &&
 789          !st->clamp_vert_color_in_shader &&
 790          !st->lower_point_size &&
 791          !st->lower_ucp;
 792
 793    st->shader_has_one_variant[MESA_SHADER_FRAGMENT] =
 794          st->has_shareable_shaders &&
 795          !st->lower_flatshade &&
 796          !st->lower_alpha_test &&
 797          !st->clamp_frag_color_in_shader &&
 798          !st->clamp_frag_depth_in_shader &&
 799          !st->force_persample_in_shader &&
 800          !st->lower_two_sided_color;
 801
 802    st->shader_has_one_variant[MESA_SHADER_TESS_CTRL] = st->has_shareable_shaders;
 803    st->shader_has_one_variant[MESA_SHADER_TESS_EVAL] =
 804          st->has_shareable_shaders &&
 805          !st->clamp_frag_depth_in_shader &&
 806          !st->clamp_vert_color_in_shader;
 807    st->shader_has_one_variant[MESA_SHADER_GEOMETRY] =
 808          st->has_shareable_shaders &&
 809          !st->clamp_frag_depth_in_shader &&
 810          !st->clamp_vert_color_in_shader;
 811    st->shader_has_one_variant[MESA_SHADER_COMPUTE] = st->has_shareable_shaders;
 812
 813    st->bitmap.cache.empty = true;
 814
 815    _mesa_override_extensions(ctx);
 816    _mesa_compute_version(ctx);
 817
 818    if (ctx->Version == 0) {
 819       /* This can happen when a core profile was requested, but the driver
 820        * does not support some features of GL 3.1 or later.
 821        */
 822       st_destroy_context_priv(st, false);
 823       return NULL;
 824    }
 825
 826    /* This must be done after extensions are initialized to enable persistent
 827     * mappings immediately.
 828     */
 829    _vbo_CreateContext(ctx, true);
 830
 831    _mesa_initialize_dispatch_tables(ctx);
 832    _mesa_initialize_vbo_vtxfmt(ctx);
 833    st_init_driver_flags(st);
 834
 835    /* Initialize context's winsys buffers list */
 836    list_inithead(&st->winsys_buffers);
 837
 838    list_inithead(&st->zombie_sampler_views.list.node);
 839    simple_mtx_init(&st->zombie_sampler_views.mutex, mtx_plain);
 840    list_inithead(&st->zombie_shaders.list.node);
 841    simple_mtx_init(&st->zombie_shaders.mutex, mtx_plain);
 842
 843    return st;
 844 }
 845
 846
 847 static void
 848 st_emit_string_marker(struct gl_context *ctx, const GLchar *string, GLsizei len)
 849 {
 850    struct st_context *st = ctx->st;
 851    st->pipe->emit_string_marker(st->pipe, string, len);
 852 }
 853
 854
 855 static void
 856 st_set_background_context(struct gl_context *ctx,
 857                           struct util_queue_monitoring *queue_info)
 858 {
 859    struct st_context *st = ctx->st;
 860    struct st_manager *smapi =
 861       (struct st_manager *) st->iface.st_context_private;
 862
 863    assert(smapi->set_background_context);
 864    smapi->set_background_context(&st->iface, queue_info);
 865 }
 866
 867
 868 static void
 869 st_get_device_uuid(struct gl_context *ctx, char *uuid)
 870 {
 871    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 872
 873    assert(GL_UUID_SIZE_EXT >= PIPE_UUID_SIZE);
 874    memset(uuid, 0, GL_UUID_SIZE_EXT);
 875    screen->get_device_uuid(screen, uuid);
 876 }
 877
 878
 879 static void
 880 st_get_driver_uuid(struct gl_context *ctx, char *uuid)
 881 {
 882    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 883
 884    assert(GL_UUID_SIZE_EXT >= PIPE_UUID_SIZE);
 885    memset(uuid, 0, GL_UUID_SIZE_EXT);
 886    screen->get_driver_uuid(screen, uuid);
 887 }
 888
 889
 890 static void
 891 st_init_driver_functions(struct pipe_screen *screen,
 892                          struct dd_function_table *functions)
 893 {
 894    _mesa_init_sampler_object_functions(functions);
 895
 896    st_init_draw_functions(functions);
 897    st_init_blit_functions(functions);
 898    st_init_bufferobject_functions(screen, functions);
 899    st_init_clear_functions(functions);
 900    st_init_bitmap_functions(functions);
 901    st_init_copy_image_functions(functions);
 902    st_init_drawpixels_functions(functions);
 903    st_init_rasterpos_functions(functions);
 904
 905    st_init_drawtex_functions(functions);
 906
 907    st_init_eglimage_functions(functions);
 908
 909    st_init_fbo_functions(functions);
 910    st_init_feedback_functions(functions);
 911    st_init_memoryobject_functions(functions);
 912    st_init_msaa_functions(functions);
 913    st_init_perfmon_functions(functions);
 914    st_init_perfquery_functions(functions);
 915    st_init_program_functions(functions);
 916    st_init_query_functions(functions);
 917    st_init_cond_render_functions(functions);
 918    st_init_readpixels_functions(functions);
 919    st_init_semaphoreobject_functions(functions);
 920    st_init_texture_functions(functions);
 921    st_init_texture_barrier_functions(functions);
 922    st_init_flush_functions(screen, functions);
 923    st_init_string_functions(functions);
 924    st_init_viewport_functions(functions);
 925    st_init_compute_functions(functions);
 926
 927    st_init_xformfb_functions(functions);
 928    st_init_syncobj_functions(functions);
 929
 930    st_init_vdpau_functions(functions);
 931
 932    if (screen->get_param(screen, PIPE_CAP_STRING_MARKER))
 933       functions->EmitStringMarker = st_emit_string_marker;
 934
 935    functions->Enable = st_Enable;
 936    functions->UpdateState = st_invalidate_state;
 937    functions->QueryMemoryInfo = st_query_memory_info;
 938    functions->SetBackgroundContext = st_set_background_context;
 939    functions->GetDriverUuid = st_get_driver_uuid;
 940    functions->GetDeviceUuid = st_get_device_uuid;
 941
 942    /* GL_ARB_get_program_binary */
 943    functions->GetProgramBinaryDriverSHA1 = st_get_program_binary_driver_sha1;
 944
 945    enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir)
 946       screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
 947                                PIPE_SHADER_CAP_PREFERRED_IR);
 948    if (preferred_ir == PIPE_SHADER_IR_NIR) {
 949       functions->ShaderCacheSerializeDriverBlob =  st_serialise_nir_program;
 950       functions->ProgramBinarySerializeDriverBlob =
 951          st_serialise_nir_program_binary;
 952       functions->ProgramBinaryDeserializeDriverBlob =
 953          st_deserialise_nir_program;
 954    } else {
 955       functions->ShaderCacheSerializeDriverBlob =  st_serialise_tgsi_program;
 956       functions->ProgramBinarySerializeDriverBlob =
 957          st_serialise_tgsi_program_binary;
 958       functions->ProgramBinaryDeserializeDriverBlob =
 959          st_deserialise_tgsi_program;
 960    }
 961 }
 962
 963
 964 struct st_context *
 965 st_create_context(gl_api api, struct pipe_context *pipe,
 966                   const struct gl_config *visual,
 967                   struct st_context *share,
 968                   const struct st_config_options *options,
 969                   bool no_error)
 970 {
 971    struct gl_context *ctx;
 972    struct gl_context *shareCtx = share ? share->ctx : NULL;
 973    struct dd_function_table funcs;
 974    struct st_context *st;
 975
 976    util_cpu_detect();
 977
 978    memset(&funcs, 0, sizeof(funcs));
 979    st_init_driver_functions(pipe->screen, &funcs);
 980
 981    ctx = calloc(1, sizeof(struct gl_context));
 982    if (!ctx)
 983       return NULL;
 984
 985    if (!_mesa_initialize_context(ctx, api, visual, shareCtx, &funcs)) {
 986       free(ctx);
 987       return NULL;
 988    }
 989
 990    st_debug_init();
 991
 992    if (pipe->screen->get_disk_shader_cache)
 993       ctx->Cache = pipe->screen->get_disk_shader_cache(pipe->screen);
 994
 995    /* XXX: need a capability bit in gallium to query if the pipe
 996     * driver prefers DP4 or MUL/MAD for vertex transformation.
 997     */
 998    if (debug_get_option_mesa_mvp_dp4())
 999       ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE;
1000
1001    st = st_create_context_priv(ctx, pipe, options, no_error);
1002    if (!st) {
1003       _mesa_destroy_context(ctx);
1004    }
1005
1006    return st;
1007 }
1008
1009
1010 /**
1011  * When we destroy a context, we must examine all texture objects to
1012  * find/release any sampler views created by that context.
1013  *
1014  * This callback is called per-texture object.  It releases all the
1015  * texture's sampler views which belong to the context.
1016  */
1017 static void
1018 destroy_tex_sampler_cb(GLuint id, void *data, void *userData)
1019 {
1020    struct gl_texture_object *texObj = (struct gl_texture_object *) data;
1021    struct st_context *st = (struct st_context *) userData;
1022
1023    st_texture_release_context_sampler_view(st, st_texture_object(texObj));
1024 }
1025
1026 static void
1027 destroy_framebuffer_attachment_sampler_cb(GLuint id, void *data, void *userData)
1028 {
1029    struct gl_framebuffer* glfb = (struct gl_framebuffer*) data;
1030    struct st_context *st = (struct st_context *) userData;
1031
1032     for (unsigned i = 0; i < BUFFER_COUNT; i++) {
1033       struct gl_renderbuffer_attachment *att = &glfb->Attachment[i];
1034       if (att->Texture) {
1035         st_texture_release_context_sampler_view(st, st_texture_object(att->Texture));
1036       }
1037    }
1038 }
1039
1040 void
1041 st_destroy_context(struct st_context *st)
1042 {
1043    struct gl_context *ctx = st->ctx;
1044    struct st_framebuffer *stfb, *next;
1045    struct gl_framebuffer *save_drawbuffer;
1046    struct gl_framebuffer *save_readbuffer;
1047
1048    /* Save the current context and draw/read buffers*/
1049    GET_CURRENT_CONTEXT(save_ctx);
1050    if (save_ctx) {
1051       save_drawbuffer = save_ctx->WinSysDrawBuffer;
1052       save_readbuffer = save_ctx->WinSysReadBuffer;
1053    } else {
1054       save_drawbuffer = save_readbuffer = NULL;
1055    }
1056
1057    /*
1058     * We need to bind the context we're deleting so that
1059     * _mesa_reference_texobj_() uses this context when deleting textures.
1060     * Similarly for framebuffer objects, etc.
1061     */
1062    _mesa_make_current(ctx, NULL, NULL);
1063
1064    /* This must be called first so that glthread has a chance to finish */
1065    _mesa_glthread_destroy(ctx);
1066
1067    _mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st);
1068
1069    /* For the fallback textures, free any sampler views belonging to this
1070     * context.
1071     */
1072    for (unsigned i = 0; i < NUM_TEXTURE_TARGETS; i++) {
1073       struct st_texture_object *stObj =
1074          st_texture_object(ctx->Shared->FallbackTex[i]);
1075       if (stObj) {
1076          st_texture_release_context_sampler_view(st, stObj);
1077       }
1078    }
1079
1080    st_context_free_zombie_objects(st);
1081
1082    simple_mtx_destroy(&st->zombie_sampler_views.mutex);
1083    simple_mtx_destroy(&st->zombie_shaders.mutex);
1084
1085    st_release_program(st, &st->fp);
1086    st_release_program(st, &st->gp);
1087    st_release_program(st, &st->vp);
1088    st_release_program(st, &st->tcp);
1089    st_release_program(st, &st->tep);
1090    st_release_program(st, &st->cp);
1091
1092    /* release framebuffer in the winsys buffers list */
1093    LIST_FOR_EACH_ENTRY_SAFE_REV(stfb, next, &st->winsys_buffers, head) {
1094       st_framebuffer_reference(&stfb, NULL);
1095    }
1096
1097    _mesa_HashWalk(ctx->Shared->FrameBuffers, destroy_framebuffer_attachment_sampler_cb, st);
1098
1099    pipe_sampler_view_reference(&st->pixel_xfer.pixelmap_sampler_view, NULL);
1100    pipe_resource_reference(&st->pixel_xfer.pixelmap_texture, NULL);
1101
1102    _vbo_DestroyContext(ctx);
1103
1104    st_destroy_program_variants(st);
1105
1106    _mesa_free_context_data(ctx);
1107
1108    /* This will free the st_context too, so 'st' must not be accessed
1109     * afterwards. */
1110    st_destroy_context_priv(st, true);
1111    st = NULL;
1112
1113    free(ctx);
1114
1115    if (save_ctx == ctx) {
1116       /* unbind the context we just deleted */
1117       _mesa_make_current(NULL, NULL, NULL);
1118    } else {
1119       /* Restore the current context and draw/read buffers (may be NULL) */
1120       _mesa_make_current(save_ctx, save_drawbuffer, save_readbuffer);
1121    }
1122 }