src/intel/vulkan/anv_cmd_buffer.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 /** \file anv_cmd_buffer.c
  33  *
  34  * This file contains all of the stuff for emitting commands into a command
  35  * buffer.  This includes implementations of most of the vkCmd*
  36  * entrypoints.  This file is concerned entirely with state emission and
  37  * not with the command buffer data structure itself.  As far as this file
  38  * is concerned, most of anv_cmd_buffer is magic.
  39  */
  40
  41 /* TODO: These are taken from GLES.  We should check the Vulkan spec */
  42 const struct anv_dynamic_state default_dynamic_state = {
  43    .viewport = {
  44       .count = 0,
  45    },
  46    .scissor = {
  47       .count = 0,
  48    },
  49    .line_width = 1.0f,
  50    .depth_bias = {
  51       .bias = 0.0f,
  52       .clamp = 0.0f,
  53       .slope = 0.0f,
  54    },
  55    .blend_constants = { 0.0f, 0.0f, 0.0f, 0.0f },
  56    .depth_bounds = {
  57       .min = 0.0f,
  58       .max = 1.0f,
  59    },
  60    .stencil_compare_mask = {
  61       .front = ~0u,
  62       .back = ~0u,
  63    },
  64    .stencil_write_mask = {
  65       .front = ~0u,
  66       .back = ~0u,
  67    },
  68    .stencil_reference = {
  69       .front = 0u,
  70       .back = 0u,
  71    },
  72 };
  73
  74 void
  75 anv_dynamic_state_copy(struct anv_dynamic_state *dest,
  76                        const struct anv_dynamic_state *src,
  77                        uint32_t copy_mask)
  78 {
  79    if (copy_mask & (1 << VK_DYNAMIC_STATE_VIEWPORT)) {
  80       dest->viewport.count = src->viewport.count;
  81       typed_memcpy(dest->viewport.viewports, src->viewport.viewports,
  82                    src->viewport.count);
  83    }
  84
  85    if (copy_mask & (1 << VK_DYNAMIC_STATE_SCISSOR)) {
  86       dest->scissor.count = src->scissor.count;
  87       typed_memcpy(dest->scissor.scissors, src->scissor.scissors,
  88                    src->scissor.count);
  89    }
  90
  91    if (copy_mask & (1 << VK_DYNAMIC_STATE_LINE_WIDTH))
  92       dest->line_width = src->line_width;
  93
  94    if (copy_mask & (1 << VK_DYNAMIC_STATE_DEPTH_BIAS))
  95       dest->depth_bias = src->depth_bias;
  96
  97    if (copy_mask & (1 << VK_DYNAMIC_STATE_BLEND_CONSTANTS))
  98       typed_memcpy(dest->blend_constants, src->blend_constants, 4);
  99
 100    if (copy_mask & (1 << VK_DYNAMIC_STATE_DEPTH_BOUNDS))
 101       dest->depth_bounds = src->depth_bounds;
 102
 103    if (copy_mask & (1 << VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK))
 104       dest->stencil_compare_mask = src->stencil_compare_mask;
 105
 106    if (copy_mask & (1 << VK_DYNAMIC_STATE_STENCIL_WRITE_MASK))
 107       dest->stencil_write_mask = src->stencil_write_mask;
 108
 109    if (copy_mask & (1 << VK_DYNAMIC_STATE_STENCIL_REFERENCE))
 110       dest->stencil_reference = src->stencil_reference;
 111 }
 112
 113 static void
 114 anv_cmd_state_reset(struct anv_cmd_buffer *cmd_buffer)
 115 {
 116    struct anv_cmd_state *state = &cmd_buffer->state;
 117
 118    memset(&state->descriptors, 0, sizeof(state->descriptors));
 119    memset(&state->push_constants, 0, sizeof(state->push_constants));
 120    memset(state->binding_tables, 0, sizeof(state->binding_tables));
 121    memset(state->samplers, 0, sizeof(state->samplers));
 122
 123    /* 0 isn't a valid config.  This ensures that we always configure L3$. */
 124    cmd_buffer->state.current_l3_config = 0;
 125
 126    state->dirty = ~0;
 127    state->vb_dirty = 0;
 128    state->descriptors_dirty = 0;
 129    state->push_constants_dirty = 0;
 130    state->pipeline = NULL;
 131    state->restart_index = UINT32_MAX;
 132    state->dynamic = default_dynamic_state;
 133    state->need_query_wa = true;
 134
 135    if (state->attachments != NULL) {
 136       anv_free(&cmd_buffer->pool->alloc, state->attachments);
 137       state->attachments = NULL;
 138    }
 139
 140    state->gen7.index_buffer = NULL;
 141 }
 142
 143 /**
 144  * Setup anv_cmd_state::attachments for vkCmdBeginRenderPass.
 145  */
 146 void
 147 anv_cmd_state_setup_attachments(struct anv_cmd_buffer *cmd_buffer,
 148                                 const VkRenderPassBeginInfo *info)
 149 {
 150    struct anv_cmd_state *state = &cmd_buffer->state;
 151    ANV_FROM_HANDLE(anv_render_pass, pass, info->renderPass);
 152
 153    anv_free(&cmd_buffer->pool->alloc, state->attachments);
 154
 155    if (pass->attachment_count == 0) {
 156       state->attachments = NULL;
 157       return;
 158    }
 159
 160    state->attachments = anv_alloc(&cmd_buffer->pool->alloc,
 161                                   pass->attachment_count *
 162                                        sizeof(state->attachments[0]),
 163                                   8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 164    if (state->attachments == NULL) {
 165       /* FIXME: Propagate VK_ERROR_OUT_OF_HOST_MEMORY to vkEndCommandBuffer */
 166       abort();
 167    }
 168
 169    for (uint32_t i = 0; i < pass->attachment_count; ++i) {
 170       struct anv_render_pass_attachment *att = &pass->attachments[i];
 171       VkImageAspectFlags clear_aspects = 0;
 172
 173       if (anv_format_is_color(att->format)) {
 174          /* color attachment */
 175          if (att->load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) {
 176             clear_aspects |= VK_IMAGE_ASPECT_COLOR_BIT;
 177          }
 178       } else {
 179          /* depthstencil attachment */
 180          if (att->format->has_depth &&
 181              att->load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) {
 182             clear_aspects |= VK_IMAGE_ASPECT_DEPTH_BIT;
 183          }
 184          if (att->format->has_stencil &&
 185              att->stencil_load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) {
 186             clear_aspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
 187          }
 188       }
 189
 190       state->attachments[i].pending_clear_aspects = clear_aspects;
 191       if (clear_aspects) {
 192          assert(info->clearValueCount > i);
 193          state->attachments[i].clear_value = info->pClearValues[i];
 194       }
 195    }
 196 }
 197
 198 static VkResult
 199 anv_cmd_buffer_ensure_push_constants_size(struct anv_cmd_buffer *cmd_buffer,
 200                                           gl_shader_stage stage, uint32_t size)
 201 {
 202    struct anv_push_constants **ptr = &cmd_buffer->state.push_constants[stage];
 203
 204    if (*ptr == NULL) {
 205       *ptr = anv_alloc(&cmd_buffer->pool->alloc, size, 8,
 206                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 207       if (*ptr == NULL)
 208          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 209    } else if ((*ptr)->size < size) {
 210       *ptr = anv_realloc(&cmd_buffer->pool->alloc, *ptr, size, 8,
 211                          VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 212       if (*ptr == NULL)
 213          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 214    }
 215    (*ptr)->size = size;
 216
 217    return VK_SUCCESS;
 218 }
 219
 220 #define anv_cmd_buffer_ensure_push_constant_field(cmd_buffer, stage, field) \
 221    anv_cmd_buffer_ensure_push_constants_size(cmd_buffer, stage, \
 222       (offsetof(struct anv_push_constants, field) + \
 223        sizeof(cmd_buffer->state.push_constants[0]->field)))
 224
 225 static VkResult anv_create_cmd_buffer(
 226     struct anv_device *                         device,
 227     struct anv_cmd_pool *                       pool,
 228     VkCommandBufferLevel                        level,
 229     VkCommandBuffer*                            pCommandBuffer)
 230 {
 231    struct anv_cmd_buffer *cmd_buffer;
 232    VkResult result;
 233
 234    cmd_buffer = anv_alloc(&pool->alloc, sizeof(*cmd_buffer), 8,
 235                           VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 236    if (cmd_buffer == NULL)
 237       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 238
 239    cmd_buffer->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 240    cmd_buffer->device = device;
 241    cmd_buffer->pool = pool;
 242    cmd_buffer->level = level;
 243    cmd_buffer->state.attachments = NULL;
 244
 245    result = anv_cmd_buffer_init_batch_bo_chain(cmd_buffer);
 246    if (result != VK_SUCCESS)
 247       goto fail;
 248
 249    anv_state_stream_init(&cmd_buffer->surface_state_stream,
 250                          &device->surface_state_block_pool);
 251    anv_state_stream_init(&cmd_buffer->dynamic_state_stream,
 252                          &device->dynamic_state_block_pool);
 253
 254    if (pool) {
 255       list_addtail(&cmd_buffer->pool_link, &pool->cmd_buffers);
 256    } else {
 257       /* Init the pool_link so we can safefly call list_del when we destroy
 258        * the command buffer
 259        */
 260       list_inithead(&cmd_buffer->pool_link);
 261    }
 262
 263    *pCommandBuffer = anv_cmd_buffer_to_handle(cmd_buffer);
 264
 265    return VK_SUCCESS;
 266
 267  fail:
 268    anv_free(&cmd_buffer->pool->alloc, cmd_buffer);
 269
 270    return result;
 271 }
 272
 273 VkResult anv_AllocateCommandBuffers(
 274     VkDevice                                    _device,
 275     const VkCommandBufferAllocateInfo*          pAllocateInfo,
 276     VkCommandBuffer*                            pCommandBuffers)
 277 {
 278    ANV_FROM_HANDLE(anv_device, device, _device);
 279    ANV_FROM_HANDLE(anv_cmd_pool, pool, pAllocateInfo->commandPool);
 280
 281    VkResult result = VK_SUCCESS;
 282    uint32_t i;
 283
 284    for (i = 0; i < pAllocateInfo->commandBufferCount; i++) {
 285       result = anv_create_cmd_buffer(device, pool, pAllocateInfo->level,
 286                                      &pCommandBuffers[i]);
 287       if (result != VK_SUCCESS)
 288          break;
 289    }
 290
 291    if (result != VK_SUCCESS)
 292       anv_FreeCommandBuffers(_device, pAllocateInfo->commandPool,
 293                              i, pCommandBuffers);
 294
 295    return result;
 296 }
 297
 298 static void
 299 anv_cmd_buffer_destroy(struct anv_cmd_buffer *cmd_buffer)
 300 {
 301    list_del(&cmd_buffer->pool_link);
 302
 303    anv_cmd_buffer_fini_batch_bo_chain(cmd_buffer);
 304
 305    anv_state_stream_finish(&cmd_buffer->surface_state_stream);
 306    anv_state_stream_finish(&cmd_buffer->dynamic_state_stream);
 307
 308    anv_free(&cmd_buffer->pool->alloc, cmd_buffer->state.attachments);
 309    anv_free(&cmd_buffer->pool->alloc, cmd_buffer);
 310 }
 311
 312 void anv_FreeCommandBuffers(
 313     VkDevice                                    device,
 314     VkCommandPool                               commandPool,
 315     uint32_t                                    commandBufferCount,
 316     const VkCommandBuffer*                      pCommandBuffers)
 317 {
 318    for (uint32_t i = 0; i < commandBufferCount; i++) {
 319       ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, pCommandBuffers[i]);
 320
 321       anv_cmd_buffer_destroy(cmd_buffer);
 322    }
 323 }
 324
 325 VkResult anv_ResetCommandBuffer(
 326     VkCommandBuffer                             commandBuffer,
 327     VkCommandBufferResetFlags                   flags)
 328 {
 329    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 330
 331    cmd_buffer->usage_flags = 0;
 332    cmd_buffer->state.current_pipeline = UINT32_MAX;
 333    anv_cmd_buffer_reset_batch_bo_chain(cmd_buffer);
 334    anv_cmd_state_reset(cmd_buffer);
 335
 336    return VK_SUCCESS;
 337 }
 338
 339 void
 340 anv_cmd_buffer_emit_state_base_address(struct anv_cmd_buffer *cmd_buffer)
 341 {
 342    switch (cmd_buffer->device->info.gen) {
 343    case 7:
 344       if (cmd_buffer->device->info.is_haswell)
 345          return gen7_cmd_buffer_emit_state_base_address(cmd_buffer);
 346       else
 347          return gen7_cmd_buffer_emit_state_base_address(cmd_buffer);
 348    case 8:
 349       return gen8_cmd_buffer_emit_state_base_address(cmd_buffer);
 350    case 9:
 351       return gen9_cmd_buffer_emit_state_base_address(cmd_buffer);
 352    default:
 353       unreachable("unsupported gen\n");
 354    }
 355 }
 356
 357 VkResult anv_BeginCommandBuffer(
 358     VkCommandBuffer                             commandBuffer,
 359     const VkCommandBufferBeginInfo*             pBeginInfo)
 360 {
 361    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 362
 363    /* If this is the first vkBeginCommandBuffer, we must *initialize* the
 364     * command buffer's state. Otherwise, we must *reset* its state. In both
 365     * cases we reset it.
 366     *
 367     * From the Vulkan 1.0 spec:
 368     *
 369     *    If a command buffer is in the executable state and the command buffer
 370     *    was allocated from a command pool with the
 371     *    VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT flag set, then
 372     *    vkBeginCommandBuffer implicitly resets the command buffer, behaving
 373     *    as if vkResetCommandBuffer had been called with
 374     *    VK_COMMAND_BUFFER_RESET_RELEASE_RESOURCES_BIT not set. It then puts
 375     *    the command buffer in the recording state.
 376     */
 377    anv_ResetCommandBuffer(commandBuffer, /*flags*/ 0);
 378
 379    cmd_buffer->usage_flags = pBeginInfo->flags;
 380
 381    assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_SECONDARY ||
 382           !(cmd_buffer->usage_flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT));
 383
 384    anv_cmd_buffer_emit_state_base_address(cmd_buffer);
 385
 386    if (cmd_buffer->usage_flags &
 387        VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT) {
 388       cmd_buffer->state.framebuffer =
 389          anv_framebuffer_from_handle(pBeginInfo->pInheritanceInfo->framebuffer);
 390       cmd_buffer->state.pass =
 391          anv_render_pass_from_handle(pBeginInfo->pInheritanceInfo->renderPass);
 392
 393       struct anv_subpass *subpass =
 394          &cmd_buffer->state.pass->subpasses[pBeginInfo->pInheritanceInfo->subpass];
 395
 396       anv_cmd_buffer_set_subpass(cmd_buffer, subpass);
 397    }
 398
 399    return VK_SUCCESS;
 400 }
 401
 402 VkResult anv_EndCommandBuffer(
 403     VkCommandBuffer                             commandBuffer)
 404 {
 405    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 406    struct anv_device *device = cmd_buffer->device;
 407
 408    anv_cmd_buffer_end_batch_buffer(cmd_buffer);
 409
 410    if (cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) {
 411       /* The algorithm used to compute the validate list is not threadsafe as
 412        * it uses the bo->index field.  We have to lock the device around it.
 413        * Fortunately, the chances for contention here are probably very low.
 414        */
 415       pthread_mutex_lock(&device->mutex);
 416       anv_cmd_buffer_prepare_execbuf(cmd_buffer);
 417       pthread_mutex_unlock(&device->mutex);
 418    }
 419
 420    return VK_SUCCESS;
 421 }
 422
 423 void anv_CmdBindPipeline(
 424     VkCommandBuffer                             commandBuffer,
 425     VkPipelineBindPoint                         pipelineBindPoint,
 426     VkPipeline                                  _pipeline)
 427 {
 428    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 429    ANV_FROM_HANDLE(anv_pipeline, pipeline, _pipeline);
 430
 431    switch (pipelineBindPoint) {
 432    case VK_PIPELINE_BIND_POINT_COMPUTE:
 433       cmd_buffer->state.compute_pipeline = pipeline;
 434       cmd_buffer->state.compute_dirty |= ANV_CMD_DIRTY_PIPELINE;
 435       cmd_buffer->state.push_constants_dirty |= VK_SHADER_STAGE_COMPUTE_BIT;
 436       cmd_buffer->state.descriptors_dirty |= VK_SHADER_STAGE_COMPUTE_BIT;
 437       break;
 438
 439    case VK_PIPELINE_BIND_POINT_GRAPHICS:
 440       cmd_buffer->state.pipeline = pipeline;
 441       cmd_buffer->state.vb_dirty |= pipeline->vb_used;
 442       cmd_buffer->state.dirty |= ANV_CMD_DIRTY_PIPELINE;
 443       cmd_buffer->state.push_constants_dirty |= pipeline->active_stages;
 444       cmd_buffer->state.descriptors_dirty |= pipeline->active_stages;
 445
 446       /* Apply the dynamic state from the pipeline */
 447       cmd_buffer->state.dirty |= pipeline->dynamic_state_mask;
 448       anv_dynamic_state_copy(&cmd_buffer->state.dynamic,
 449                              &pipeline->dynamic_state,
 450                              pipeline->dynamic_state_mask);
 451       break;
 452
 453    default:
 454       assert(!"invalid bind point");
 455       break;
 456    }
 457 }
 458
 459 void anv_CmdSetViewport(
 460     VkCommandBuffer                             commandBuffer,
 461     uint32_t                                    firstViewport,
 462     uint32_t                                    viewportCount,
 463     const VkViewport*                           pViewports)
 464 {
 465    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 466
 467    const uint32_t total_count = firstViewport + viewportCount;
 468    if (cmd_buffer->state.dynamic.viewport.count < total_count);
 469       cmd_buffer->state.dynamic.viewport.count = total_count;
 470
 471    memcpy(cmd_buffer->state.dynamic.viewport.viewports + firstViewport,
 472           pViewports, viewportCount * sizeof(*pViewports));
 473
 474    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_VIEWPORT;
 475 }
 476
 477 void anv_CmdSetScissor(
 478     VkCommandBuffer                             commandBuffer,
 479     uint32_t                                    firstScissor,
 480     uint32_t                                    scissorCount,
 481     const VkRect2D*                             pScissors)
 482 {
 483    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 484
 485    const uint32_t total_count = firstScissor + scissorCount;
 486    if (cmd_buffer->state.dynamic.scissor.count < total_count);
 487       cmd_buffer->state.dynamic.scissor.count = total_count;
 488
 489    memcpy(cmd_buffer->state.dynamic.scissor.scissors + firstScissor,
 490           pScissors, scissorCount * sizeof(*pScissors));
 491
 492    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_SCISSOR;
 493 }
 494
 495 void anv_CmdSetLineWidth(
 496     VkCommandBuffer                             commandBuffer,
 497     float                                       lineWidth)
 498 {
 499    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 500
 501    cmd_buffer->state.dynamic.line_width = lineWidth;
 502    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_LINE_WIDTH;
 503 }
 504
 505 void anv_CmdSetDepthBias(
 506     VkCommandBuffer                             commandBuffer,
 507     float                                       depthBiasConstantFactor,
 508     float                                       depthBiasClamp,
 509     float                                       depthBiasSlopeFactor)
 510 {
 511    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 512
 513    cmd_buffer->state.dynamic.depth_bias.bias = depthBiasConstantFactor;
 514    cmd_buffer->state.dynamic.depth_bias.clamp = depthBiasClamp;
 515    cmd_buffer->state.dynamic.depth_bias.slope = depthBiasSlopeFactor;
 516
 517    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_DEPTH_BIAS;
 518 }
 519
 520 void anv_CmdSetBlendConstants(
 521     VkCommandBuffer                             commandBuffer,
 522     const float                                 blendConstants[4])
 523 {
 524    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 525
 526    memcpy(cmd_buffer->state.dynamic.blend_constants,
 527           blendConstants, sizeof(float) * 4);
 528
 529    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_BLEND_CONSTANTS;
 530 }
 531
 532 void anv_CmdSetDepthBounds(
 533     VkCommandBuffer                             commandBuffer,
 534     float                                       minDepthBounds,
 535     float                                       maxDepthBounds)
 536 {
 537    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 538
 539    cmd_buffer->state.dynamic.depth_bounds.min = minDepthBounds;
 540    cmd_buffer->state.dynamic.depth_bounds.max = maxDepthBounds;
 541
 542    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_DEPTH_BOUNDS;
 543 }
 544
 545 void anv_CmdSetStencilCompareMask(
 546     VkCommandBuffer                             commandBuffer,
 547     VkStencilFaceFlags                          faceMask,
 548     uint32_t                                    compareMask)
 549 {
 550    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 551
 552    if (faceMask & VK_STENCIL_FACE_FRONT_BIT)
 553       cmd_buffer->state.dynamic.stencil_compare_mask.front = compareMask;
 554    if (faceMask & VK_STENCIL_FACE_BACK_BIT)
 555       cmd_buffer->state.dynamic.stencil_compare_mask.back = compareMask;
 556
 557    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_STENCIL_COMPARE_MASK;
 558 }
 559
 560 void anv_CmdSetStencilWriteMask(
 561     VkCommandBuffer                             commandBuffer,
 562     VkStencilFaceFlags                          faceMask,
 563     uint32_t                                    writeMask)
 564 {
 565    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 566
 567    if (faceMask & VK_STENCIL_FACE_FRONT_BIT)
 568       cmd_buffer->state.dynamic.stencil_write_mask.front = writeMask;
 569    if (faceMask & VK_STENCIL_FACE_BACK_BIT)
 570       cmd_buffer->state.dynamic.stencil_write_mask.back = writeMask;
 571
 572    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_STENCIL_WRITE_MASK;
 573 }
 574
 575 void anv_CmdSetStencilReference(
 576     VkCommandBuffer                             commandBuffer,
 577     VkStencilFaceFlags                          faceMask,
 578     uint32_t                                    reference)
 579 {
 580    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 581
 582    if (faceMask & VK_STENCIL_FACE_FRONT_BIT)
 583       cmd_buffer->state.dynamic.stencil_reference.front = reference;
 584    if (faceMask & VK_STENCIL_FACE_BACK_BIT)
 585       cmd_buffer->state.dynamic.stencil_reference.back = reference;
 586
 587    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_DYNAMIC_STENCIL_REFERENCE;
 588 }
 589
 590 void anv_CmdBindDescriptorSets(
 591     VkCommandBuffer                             commandBuffer,
 592     VkPipelineBindPoint                         pipelineBindPoint,
 593     VkPipelineLayout                            _layout,
 594     uint32_t                                    firstSet,
 595     uint32_t                                    descriptorSetCount,
 596     const VkDescriptorSet*                      pDescriptorSets,
 597     uint32_t                                    dynamicOffsetCount,
 598     const uint32_t*                             pDynamicOffsets)
 599 {
 600    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 601    ANV_FROM_HANDLE(anv_pipeline_layout, layout, _layout);
 602    struct anv_descriptor_set_layout *set_layout;
 603
 604    assert(firstSet + descriptorSetCount < MAX_SETS);
 605
 606    uint32_t dynamic_slot = 0;
 607    for (uint32_t i = 0; i < descriptorSetCount; i++) {
 608       ANV_FROM_HANDLE(anv_descriptor_set, set, pDescriptorSets[i]);
 609       set_layout = layout->set[firstSet + i].layout;
 610
 611       if (cmd_buffer->state.descriptors[firstSet + i] != set) {
 612          cmd_buffer->state.descriptors[firstSet + i] = set;
 613          cmd_buffer->state.descriptors_dirty |= set_layout->shader_stages;
 614       }
 615
 616       if (set_layout->dynamic_offset_count > 0) {
 617          anv_foreach_stage(s, set_layout->shader_stages) {
 618             anv_cmd_buffer_ensure_push_constant_field(cmd_buffer, s, dynamic);
 619
 620             struct anv_push_constants *push =
 621                cmd_buffer->state.push_constants[s];
 622
 623             unsigned d = layout->set[firstSet + i].dynamic_offset_start;
 624             const uint32_t *offsets = pDynamicOffsets + dynamic_slot;
 625             struct anv_descriptor *desc = set->descriptors;
 626
 627             for (unsigned b = 0; b < set_layout->binding_count; b++) {
 628                if (set_layout->binding[b].dynamic_offset_index < 0)
 629                   continue;
 630
 631                unsigned array_size = set_layout->binding[b].array_size;
 632                for (unsigned j = 0; j < array_size; j++) {
 633                   uint32_t range = 0;
 634                   if (desc->buffer_view)
 635                      range = desc->buffer_view->range;
 636                   push->dynamic[d].offset = *(offsets++);
 637                   push->dynamic[d].range = range;
 638                   desc++;
 639                   d++;
 640                }
 641             }
 642          }
 643          cmd_buffer->state.push_constants_dirty |= set_layout->shader_stages;
 644       }
 645    }
 646 }
 647
 648 void anv_CmdBindVertexBuffers(
 649     VkCommandBuffer                             commandBuffer,
 650     uint32_t                                    firstBinding,
 651     uint32_t                                    bindingCount,
 652     const VkBuffer*                             pBuffers,
 653     const VkDeviceSize*                         pOffsets)
 654 {
 655    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 656    struct anv_vertex_binding *vb = cmd_buffer->state.vertex_bindings;
 657
 658    /* We have to defer setting up vertex buffer since we need the buffer
 659     * stride from the pipeline. */
 660
 661    assert(firstBinding + bindingCount < MAX_VBS);
 662    for (uint32_t i = 0; i < bindingCount; i++) {
 663       vb[firstBinding + i].buffer = anv_buffer_from_handle(pBuffers[i]);
 664       vb[firstBinding + i].offset = pOffsets[i];
 665       cmd_buffer->state.vb_dirty |= 1 << (firstBinding + i);
 666    }
 667 }
 668
 669 static void
 670 add_surface_state_reloc(struct anv_cmd_buffer *cmd_buffer,
 671                         struct anv_state state, struct anv_bo *bo, uint32_t offset)
 672 {
 673    /* The address goes in SURFACE_STATE dword 1 for gens < 8 and dwords 8 and
 674     * 9 for gen8+.  We only write the first dword for gen8+ here and rely on
 675     * the initial state to set the high bits to 0. */
 676
 677    const uint32_t dword = cmd_buffer->device->info.gen < 8 ? 1 : 8;
 678
 679    anv_reloc_list_add(&cmd_buffer->surface_relocs, &cmd_buffer->pool->alloc,
 680                       state.offset + dword * 4, bo, offset);
 681 }
 682
 683 const struct anv_format *
 684 anv_format_for_descriptor_type(VkDescriptorType type)
 685 {
 686    switch (type) {
 687    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 688    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 689       return anv_format_for_vk_format(VK_FORMAT_R32G32B32A32_SFLOAT);
 690
 691    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 692    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 693       return anv_format_for_vk_format(VK_FORMAT_UNDEFINED);
 694
 695    default:
 696       unreachable("Invalid descriptor type");
 697    }
 698 }
 699
 700 VkResult
 701 anv_cmd_buffer_emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
 702                                   gl_shader_stage stage,
 703                                   struct anv_state *bt_state)
 704 {
 705    struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
 706    struct anv_subpass *subpass = cmd_buffer->state.subpass;
 707    struct anv_pipeline_bind_map *map;
 708    uint32_t color_count, bias, state_offset;
 709
 710    switch (stage) {
 711    case  MESA_SHADER_FRAGMENT:
 712       map = &cmd_buffer->state.pipeline->bindings[stage];
 713       bias = MAX_RTS;
 714       color_count = subpass->color_count;
 715       break;
 716    case  MESA_SHADER_COMPUTE:
 717       map = &cmd_buffer->state.compute_pipeline->bindings[stage];
 718       bias = 1;
 719       color_count = 0;
 720       break;
 721    default:
 722       map = &cmd_buffer->state.pipeline->bindings[stage];
 723       bias = 0;
 724       color_count = 0;
 725       break;
 726    }
 727
 728    if (color_count + map->surface_count == 0) {
 729       *bt_state = (struct anv_state) { 0, };
 730       return VK_SUCCESS;
 731    }
 732
 733    *bt_state = anv_cmd_buffer_alloc_binding_table(cmd_buffer,
 734                                                   bias + map->surface_count,
 735                                                   &state_offset);
 736    uint32_t *bt_map = bt_state->map;
 737
 738    if (bt_state->map == NULL)
 739       return VK_ERROR_OUT_OF_DEVICE_MEMORY;
 740
 741    for (uint32_t a = 0; a < color_count; a++) {
 742       const struct anv_image_view *iview =
 743          fb->attachments[subpass->color_attachments[a]];
 744
 745       assert(iview->color_rt_surface_state.alloc_size);
 746       bt_map[a] = iview->color_rt_surface_state.offset + state_offset;
 747       add_surface_state_reloc(cmd_buffer, iview->color_rt_surface_state,
 748                               iview->bo, iview->offset);
 749    }
 750
 751    if (stage == MESA_SHADER_COMPUTE &&
 752        cmd_buffer->state.compute_pipeline->cs_prog_data.uses_num_work_groups) {
 753       struct anv_bo *bo = cmd_buffer->state.num_workgroups_bo;
 754       uint32_t bo_offset = cmd_buffer->state.num_workgroups_offset;
 755
 756       struct anv_state surface_state;
 757       surface_state =
 758          anv_cmd_buffer_alloc_surface_state(cmd_buffer);
 759
 760       const struct anv_format *format =
 761          anv_format_for_descriptor_type(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
 762       anv_fill_buffer_surface_state(cmd_buffer->device, surface_state,
 763                                     format->isl_format, bo_offset, 12, 1);
 764
 765       bt_map[0] = surface_state.offset + state_offset;
 766       add_surface_state_reloc(cmd_buffer, surface_state, bo, bo_offset);
 767    }
 768
 769    if (map->surface_count == 0)
 770       goto out;
 771
 772    if (map->image_count > 0) {
 773       VkResult result =
 774          anv_cmd_buffer_ensure_push_constant_field(cmd_buffer, stage, images);
 775       if (result != VK_SUCCESS)
 776          return result;
 777
 778       cmd_buffer->state.push_constants_dirty |= 1 << stage;
 779    }
 780
 781    uint32_t image = 0;
 782    for (uint32_t s = 0; s < map->surface_count; s++) {
 783       struct anv_pipeline_binding *binding = &map->surface_to_descriptor[s];
 784       struct anv_descriptor_set *set =
 785          cmd_buffer->state.descriptors[binding->set];
 786       struct anv_descriptor *desc = &set->descriptors[binding->offset];
 787
 788       struct anv_state surface_state;
 789       struct anv_bo *bo;
 790       uint32_t bo_offset;
 791
 792       switch (desc->type) {
 793       case VK_DESCRIPTOR_TYPE_SAMPLER:
 794          /* Nothing for us to do here */
 795          continue;
 796
 797       case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
 798       case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
 799       case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
 800          surface_state = desc->image_view->sampler_surface_state;
 801          assert(surface_state.alloc_size);
 802          bo = desc->image_view->bo;
 803          bo_offset = desc->image_view->offset;
 804          break;
 805
 806       case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
 807          surface_state = desc->image_view->storage_surface_state;
 808          assert(surface_state.alloc_size);
 809          bo = desc->image_view->bo;
 810          bo_offset = desc->image_view->offset;
 811
 812          struct brw_image_param *image_param =
 813             &cmd_buffer->state.push_constants[stage]->images[image++];
 814
 815          anv_image_view_fill_image_param(cmd_buffer->device, desc->image_view,
 816                                          image_param);
 817          image_param->surface_idx = bias + s;
 818          break;
 819       }
 820
 821       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 822       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 823       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 824       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 825       case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
 826          surface_state = desc->buffer_view->surface_state;
 827          assert(surface_state.alloc_size);
 828          bo = desc->buffer_view->bo;
 829          bo_offset = desc->buffer_view->offset;
 830          break;
 831
 832       case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
 833          surface_state = desc->buffer_view->storage_surface_state;
 834          assert(surface_state.alloc_size);
 835          bo = desc->buffer_view->bo;
 836          bo_offset = desc->buffer_view->offset;
 837
 838          struct brw_image_param *image_param =
 839             &cmd_buffer->state.push_constants[stage]->images[image++];
 840
 841          anv_buffer_view_fill_image_param(cmd_buffer->device, desc->buffer_view,
 842                                           image_param);
 843          image_param->surface_idx = bias + s;
 844          break;
 845
 846       default:
 847          assert(!"Invalid descriptor type");
 848          continue;
 849       }
 850
 851       bt_map[bias + s] = surface_state.offset + state_offset;
 852       add_surface_state_reloc(cmd_buffer, surface_state, bo, bo_offset);
 853    }
 854    assert(image == map->image_count);
 855
 856  out:
 857    if (!cmd_buffer->device->info.has_llc)
 858       anv_state_clflush(*bt_state);
 859
 860    return VK_SUCCESS;
 861 }
 862
 863 VkResult
 864 anv_cmd_buffer_emit_samplers(struct anv_cmd_buffer *cmd_buffer,
 865                              gl_shader_stage stage, struct anv_state *state)
 866 {
 867    struct anv_pipeline_bind_map *map;
 868
 869    if (stage == MESA_SHADER_COMPUTE)
 870       map = &cmd_buffer->state.compute_pipeline->bindings[stage];
 871    else
 872       map = &cmd_buffer->state.pipeline->bindings[stage];
 873
 874    if (map->sampler_count == 0) {
 875       *state = (struct anv_state) { 0, };
 876       return VK_SUCCESS;
 877    }
 878
 879    uint32_t size = map->sampler_count * 16;
 880    *state = anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, 32);
 881
 882    if (state->map == NULL)
 883       return VK_ERROR_OUT_OF_DEVICE_MEMORY;
 884
 885    for (uint32_t s = 0; s < map->sampler_count; s++) {
 886       struct anv_pipeline_binding *binding = &map->sampler_to_descriptor[s];
 887       struct anv_descriptor_set *set =
 888          cmd_buffer->state.descriptors[binding->set];
 889       struct anv_descriptor *desc = &set->descriptors[binding->offset];
 890
 891       if (desc->type != VK_DESCRIPTOR_TYPE_SAMPLER &&
 892           desc->type != VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER)
 893          continue;
 894
 895       struct anv_sampler *sampler = desc->sampler;
 896
 897       /* This can happen if we have an unfilled slot since TYPE_SAMPLER
 898        * happens to be zero.
 899        */
 900       if (sampler == NULL)
 901          continue;
 902
 903       memcpy(state->map + (s * 16),
 904              sampler->state, sizeof(sampler->state));
 905    }
 906
 907    if (!cmd_buffer->device->info.has_llc)
 908       anv_state_clflush(*state);
 909
 910    return VK_SUCCESS;
 911 }
 912
 913 struct anv_state
 914 anv_cmd_buffer_emit_dynamic(struct anv_cmd_buffer *cmd_buffer,
 915                             const void *data, uint32_t size, uint32_t alignment)
 916 {
 917    struct anv_state state;
 918
 919    state = anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, alignment);
 920    memcpy(state.map, data, size);
 921
 922    if (!cmd_buffer->device->info.has_llc)
 923       anv_state_clflush(state);
 924
 925    VG(VALGRIND_CHECK_MEM_IS_DEFINED(state.map, size));
 926
 927    return state;
 928 }
 929
 930 struct anv_state
 931 anv_cmd_buffer_merge_dynamic(struct anv_cmd_buffer *cmd_buffer,
 932                              uint32_t *a, uint32_t *b,
 933                              uint32_t dwords, uint32_t alignment)
 934 {
 935    struct anv_state state;
 936    uint32_t *p;
 937
 938    state = anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
 939                                               dwords * 4, alignment);
 940    p = state.map;
 941    for (uint32_t i = 0; i < dwords; i++)
 942       p[i] = a[i] | b[i];
 943
 944    if (!cmd_buffer->device->info.has_llc)
 945       anv_state_clflush(state);
 946
 947    VG(VALGRIND_CHECK_MEM_IS_DEFINED(p, dwords * 4));
 948
 949    return state;
 950 }
 951
 952 /**
 953  * @brief Setup the command buffer for recording commands inside the given
 954  * subpass.
 955  *
 956  * This does not record all commands needed for starting the subpass.
 957  * Starting the subpass may require additional commands.
 958  *
 959  * Note that vkCmdBeginRenderPass, vkCmdNextSubpass, and vkBeginCommandBuffer
 960  * with VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, all setup the
 961  * command buffer for recording commands for some subpass.  But only the first
 962  * two, vkCmdBeginRenderPass and vkCmdNextSubpass, can start a subpass.
 963  */
 964 void
 965 anv_cmd_buffer_set_subpass(struct anv_cmd_buffer *cmd_buffer,
 966                            struct anv_subpass *subpass)
 967 {
 968    switch (cmd_buffer->device->info.gen) {
 969    case 7:
 970       gen7_cmd_buffer_set_subpass(cmd_buffer, subpass);
 971       break;
 972    case 8:
 973       gen8_cmd_buffer_set_subpass(cmd_buffer, subpass);
 974       break;
 975    case 9:
 976       gen9_cmd_buffer_set_subpass(cmd_buffer, subpass);
 977       break;
 978    default:
 979       unreachable("unsupported gen\n");
 980    }
 981 }
 982
 983 struct anv_state
 984 anv_cmd_buffer_push_constants(struct anv_cmd_buffer *cmd_buffer,
 985                               gl_shader_stage stage)
 986 {
 987    struct anv_push_constants *data =
 988       cmd_buffer->state.push_constants[stage];
 989    struct brw_stage_prog_data *prog_data =
 990       cmd_buffer->state.pipeline->prog_data[stage];
 991
 992    /* If we don't actually have any push constants, bail. */
 993    if (data == NULL || prog_data->nr_params == 0)
 994       return (struct anv_state) { .offset = 0 };
 995
 996    struct anv_state state =
 997       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
 998                                          prog_data->nr_params * sizeof(float),
 999                                          32 /* bottom 5 bits MBZ */);
1000
1001    /* Walk through the param array and fill the buffer with data */
1002    uint32_t *u32_map = state.map;
1003    for (unsigned i = 0; i < prog_data->nr_params; i++) {
1004       uint32_t offset = (uintptr_t)prog_data->param[i];
1005       u32_map[i] = *(uint32_t *)((uint8_t *)data + offset);
1006    }
1007
1008    if (!cmd_buffer->device->info.has_llc)
1009       anv_state_clflush(state);
1010
1011    return state;
1012 }
1013
1014 struct anv_state
1015 anv_cmd_buffer_cs_push_constants(struct anv_cmd_buffer *cmd_buffer)
1016 {
1017    struct anv_push_constants *data =
1018       cmd_buffer->state.push_constants[MESA_SHADER_COMPUTE];
1019    struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline;
1020    const struct brw_cs_prog_data *cs_prog_data = &pipeline->cs_prog_data;
1021    const struct brw_stage_prog_data *prog_data = &cs_prog_data->base;
1022
1023    const unsigned local_id_dwords = cs_prog_data->local_invocation_id_regs * 8;
1024    const unsigned push_constant_data_size =
1025       (local_id_dwords + prog_data->nr_params) * 4;
1026    const unsigned reg_aligned_constant_size = ALIGN(push_constant_data_size, 32);
1027    const unsigned param_aligned_count =
1028       reg_aligned_constant_size / sizeof(uint32_t);
1029
1030    /* If we don't actually have any push constants, bail. */
1031    if (reg_aligned_constant_size == 0)
1032       return (struct anv_state) { .offset = 0 };
1033
1034    const unsigned threads = pipeline->cs_thread_width_max;
1035    const unsigned total_push_constants_size =
1036       reg_aligned_constant_size * threads;
1037    const unsigned push_constant_alignment =
1038       cmd_buffer->device->info.gen < 8 ? 32 : 64;
1039    const unsigned aligned_total_push_constants_size =
1040       ALIGN(total_push_constants_size, push_constant_alignment);
1041    struct anv_state state =
1042       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
1043                                          aligned_total_push_constants_size,
1044                                          push_constant_alignment);
1045
1046    /* Walk through the param array and fill the buffer with data */
1047    uint32_t *u32_map = state.map;
1048
1049    brw_cs_fill_local_id_payload(cs_prog_data, u32_map, threads,
1050                                 reg_aligned_constant_size);
1051
1052    /* Setup uniform data for the first thread */
1053    for (unsigned i = 0; i < prog_data->nr_params; i++) {
1054       uint32_t offset = (uintptr_t)prog_data->param[i];
1055       u32_map[local_id_dwords + i] = *(uint32_t *)((uint8_t *)data + offset);
1056    }
1057
1058    /* Copy uniform data from the first thread to every other thread */
1059    const size_t uniform_data_size = prog_data->nr_params * sizeof(uint32_t);
1060    for (unsigned t = 1; t < threads; t++) {
1061       memcpy(&u32_map[t * param_aligned_count + local_id_dwords],
1062              &u32_map[local_id_dwords],
1063              uniform_data_size);
1064    }
1065
1066    if (!cmd_buffer->device->info.has_llc)
1067       anv_state_clflush(state);
1068
1069    return state;
1070 }
1071
1072 void anv_CmdPushConstants(
1073     VkCommandBuffer                             commandBuffer,
1074     VkPipelineLayout                            layout,
1075     VkShaderStageFlags                          stageFlags,
1076     uint32_t                                    offset,
1077     uint32_t                                    size,
1078     const void*                                 pValues)
1079 {
1080    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
1081
1082    anv_foreach_stage(stage, stageFlags) {
1083       anv_cmd_buffer_ensure_push_constant_field(cmd_buffer, stage, client_data);
1084
1085       memcpy(cmd_buffer->state.push_constants[stage]->client_data + offset,
1086              pValues, size);
1087    }
1088
1089    cmd_buffer->state.push_constants_dirty |= stageFlags;
1090 }
1091
1092 void anv_CmdExecuteCommands(
1093     VkCommandBuffer                             commandBuffer,
1094     uint32_t                                    commandBufferCount,
1095     const VkCommandBuffer*                      pCmdBuffers)
1096 {
1097    ANV_FROM_HANDLE(anv_cmd_buffer, primary, commandBuffer);
1098
1099    assert(primary->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY);
1100
1101    for (uint32_t i = 0; i < commandBufferCount; i++) {
1102       ANV_FROM_HANDLE(anv_cmd_buffer, secondary, pCmdBuffers[i]);
1103
1104       assert(secondary->level == VK_COMMAND_BUFFER_LEVEL_SECONDARY);
1105
1106       anv_cmd_buffer_add_secondary(primary, secondary);
1107    }
1108 }
1109
1110 VkResult anv_CreateCommandPool(
1111     VkDevice                                    _device,
1112     const VkCommandPoolCreateInfo*              pCreateInfo,
1113     const VkAllocationCallbacks*                pAllocator,
1114     VkCommandPool*                              pCmdPool)
1115 {
1116    ANV_FROM_HANDLE(anv_device, device, _device);
1117    struct anv_cmd_pool *pool;
1118
1119    pool = anv_alloc2(&device->alloc, pAllocator, sizeof(*pool), 8,
1120                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1121    if (pool == NULL)
1122       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1123
1124    if (pAllocator)
1125       pool->alloc = *pAllocator;
1126    else
1127       pool->alloc = device->alloc;
1128
1129    list_inithead(&pool->cmd_buffers);
1130
1131    *pCmdPool = anv_cmd_pool_to_handle(pool);
1132
1133    return VK_SUCCESS;
1134 }
1135
1136 void anv_DestroyCommandPool(
1137     VkDevice                                    _device,
1138     VkCommandPool                               commandPool,
1139     const VkAllocationCallbacks*                pAllocator)
1140 {
1141    ANV_FROM_HANDLE(anv_device, device, _device);
1142    ANV_FROM_HANDLE(anv_cmd_pool, pool, commandPool);
1143
1144    anv_ResetCommandPool(_device, commandPool, 0);
1145
1146    anv_free2(&device->alloc, pAllocator, pool);
1147 }
1148
1149 VkResult anv_ResetCommandPool(
1150     VkDevice                                    device,
1151     VkCommandPool                               commandPool,
1152     VkCommandPoolResetFlags                     flags)
1153 {
1154    ANV_FROM_HANDLE(anv_cmd_pool, pool, commandPool);
1155
1156    /* FIXME: vkResetCommandPool must not destroy its command buffers. The
1157     * Vulkan 1.0 spec requires that it only reset them:
1158     *
1159     *    Resetting a command pool recycles all of the resources from all of
1160     *    the command buffers allocated from the command pool back to the
1161     *    command pool. All command buffers that have been allocated from the
1162     *    command pool are put in the initial state.
1163     */
1164    list_for_each_entry_safe(struct anv_cmd_buffer, cmd_buffer,
1165                             &pool->cmd_buffers, pool_link) {
1166       anv_cmd_buffer_destroy(cmd_buffer);
1167    }
1168
1169    return VK_SUCCESS;
1170 }
1171
1172 /**
1173  * Return NULL if the current subpass has no depthstencil attachment.
1174  */
1175 const struct anv_image_view *
1176 anv_cmd_buffer_get_depth_stencil_view(const struct anv_cmd_buffer *cmd_buffer)
1177 {
1178    const struct anv_subpass *subpass = cmd_buffer->state.subpass;
1179    const struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
1180
1181    if (subpass->depth_stencil_attachment == VK_ATTACHMENT_UNUSED)
1182       return NULL;
1183
1184    const struct anv_image_view *iview =
1185       fb->attachments[subpass->depth_stencil_attachment];
1186
1187    assert(iview->aspect_mask & (VK_IMAGE_ASPECT_DEPTH_BIT |
1188                                 VK_IMAGE_ASPECT_STENCIL_BIT));
1189
1190    return iview;
1191 }