src/intel/vulkan/anv_pass.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 "anv_private.h"
  25
  26 #include "vk_util.h"
  27
  28 static void
  29 anv_render_pass_add_subpass_dep(struct anv_render_pass *pass,
  30                                 const VkSubpassDependency2KHR *dep)
  31 {
  32    if (dep->dstSubpass == VK_SUBPASS_EXTERNAL) {
  33       pass->subpass_flushes[pass->subpass_count] |=
  34          anv_pipe_invalidate_bits_for_access_flags(dep->dstAccessMask);
  35    } else {
  36       assert(dep->dstSubpass < pass->subpass_count);
  37       pass->subpass_flushes[dep->dstSubpass] |=
  38          anv_pipe_invalidate_bits_for_access_flags(dep->dstAccessMask);
  39    }
  40
  41    if (dep->srcSubpass == VK_SUBPASS_EXTERNAL) {
  42       pass->subpass_flushes[0] |=
  43          anv_pipe_flush_bits_for_access_flags(dep->srcAccessMask);
  44    } else {
  45       assert(dep->srcSubpass < pass->subpass_count);
  46       pass->subpass_flushes[dep->srcSubpass + 1] |=
  47          anv_pipe_flush_bits_for_access_flags(dep->srcAccessMask);
  48    }
  49 }
  50
  51 /* Do a second "compile" step on a render pass */
  52 static void
  53 anv_render_pass_compile(struct anv_render_pass *pass)
  54 {
  55    /* The CreateRenderPass code zeros the entire render pass and also uses a
  56     * designated initializer for filling these out.  There's no need for us to
  57     * do it again.
  58     *
  59     * for (uint32_t i = 0; i < pass->attachment_count; i++) {
  60     *    pass->attachments[i].usage = 0;
  61     *    pass->attachments[i].first_subpass_layout = VK_IMAGE_LAYOUT_UNDEFINED;
  62     * }
  63     */
  64
  65    VkImageUsageFlags all_usage = 0;
  66    for (uint32_t i = 0; i < pass->subpass_count; i++) {
  67       struct anv_subpass *subpass = &pass->subpasses[i];
  68
  69       for (uint32_t j = 0; j < subpass->attachment_count; j++) {
  70          struct anv_subpass_attachment *subpass_att = &subpass->attachments[j];
  71          if (subpass_att->attachment == VK_ATTACHMENT_UNUSED)
  72             continue;
  73
  74          struct anv_render_pass_attachment *pass_att =
  75             &pass->attachments[subpass_att->attachment];
  76
  77          assert(__builtin_popcount(subpass_att->usage) == 1);
  78          pass_att->usage |= subpass_att->usage;
  79          pass_att->last_subpass_idx = i;
  80
  81          all_usage |= subpass_att->usage;
  82
  83          if (pass_att->first_subpass_layout == VK_IMAGE_LAYOUT_UNDEFINED) {
  84             pass_att->first_subpass_layout = subpass_att->layout;
  85             assert(pass_att->first_subpass_layout != VK_IMAGE_LAYOUT_UNDEFINED);
  86          }
  87
  88          if (subpass_att->usage == VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT &&
  89              subpass_att->attachment == subpass->depth_stencil_attachment.attachment)
  90             subpass->has_ds_self_dep = true;
  91       }
  92
  93       /* We have to handle resolve attachments specially */
  94       subpass->has_resolve = false;
  95       if (subpass->resolve_attachments) {
  96          for (uint32_t j = 0; j < subpass->color_count; j++) {
  97             struct anv_subpass_attachment *color_att =
  98                &subpass->color_attachments[j];
  99             struct anv_subpass_attachment *resolve_att =
 100                &subpass->resolve_attachments[j];
 101             if (resolve_att->attachment == VK_ATTACHMENT_UNUSED)
 102                continue;
 103
 104             subpass->has_resolve = true;
 105
 106             assert(resolve_att->usage == VK_IMAGE_USAGE_TRANSFER_DST_BIT);
 107             color_att->usage |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
 108          }
 109       }
 110    }
 111
 112    /* From the Vulkan 1.0.39 spec:
 113     *
 114     *    If there is no subpass dependency from VK_SUBPASS_EXTERNAL to the
 115     *    first subpass that uses an attachment, then an implicit subpass
 116     *    dependency exists from VK_SUBPASS_EXTERNAL to the first subpass it is
 117     *    used in. The subpass dependency operates as if defined with the
 118     *    following parameters:
 119     *
 120     *    VkSubpassDependency implicitDependency = {
 121     *        .srcSubpass = VK_SUBPASS_EXTERNAL;
 122     *        .dstSubpass = firstSubpass; // First subpass attachment is used in
 123     *        .srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
 124     *        .dstStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
 125     *        .srcAccessMask = 0;
 126     *        .dstAccessMask = VK_ACCESS_INPUT_ATTACHMENT_READ_BIT |
 127     *                         VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
 128     *                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
 129     *                         VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
 130     *                         VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
 131     *        .dependencyFlags = 0;
 132     *    };
 133     *
 134     *    Similarly, if there is no subpass dependency from the last subpass
 135     *    that uses an attachment to VK_SUBPASS_EXTERNAL, then an implicit
 136     *    subpass dependency exists from the last subpass it is used in to
 137     *    VK_SUBPASS_EXTERNAL. The subpass dependency operates as if defined
 138     *    with the following parameters:
 139     *
 140     *    VkSubpassDependency implicitDependency = {
 141     *        .srcSubpass = lastSubpass; // Last subpass attachment is used in
 142     *        .dstSubpass = VK_SUBPASS_EXTERNAL;
 143     *        .srcStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
 144     *        .dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
 145     *        .srcAccessMask = VK_ACCESS_INPUT_ATTACHMENT_READ_BIT |
 146     *                         VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
 147     *                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
 148     *                         VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
 149     *                         VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
 150     *        .dstAccessMask = 0;
 151     *        .dependencyFlags = 0;
 152     *    };
 153     *
 154     * We could implement this by walking over all of the attachments and
 155     * subpasses and checking to see if any of them don't have an external
 156     * dependency.  Or, we could just be lazy and add a couple extra flushes.
 157     * We choose to be lazy.
 158     */
 159    if (all_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
 160       pass->subpass_flushes[0] |=
 161          ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
 162    }
 163    if (all_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 164       pass->subpass_flushes[pass->subpass_count] |=
 165          ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
 166    }
 167    if (all_usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
 168       pass->subpass_flushes[pass->subpass_count] |=
 169          ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
 170    }
 171 }
 172
 173 static unsigned
 174 num_subpass_attachments(const VkSubpassDescription *desc)
 175 {
 176    return desc->inputAttachmentCount +
 177           desc->colorAttachmentCount +
 178           (desc->pResolveAttachments ? desc->colorAttachmentCount : 0) +
 179           (desc->pDepthStencilAttachment != NULL);
 180 }
 181
 182 VkResult anv_CreateRenderPass(
 183     VkDevice                                    _device,
 184     const VkRenderPassCreateInfo*               pCreateInfo,
 185     const VkAllocationCallbacks*                pAllocator,
 186     VkRenderPass*                               pRenderPass)
 187 {
 188    ANV_FROM_HANDLE(anv_device, device, _device);
 189
 190    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
 191
 192    struct anv_render_pass *pass;
 193    struct anv_subpass *subpasses;
 194    struct anv_render_pass_attachment *attachments;
 195    enum anv_pipe_bits *subpass_flushes;
 196
 197    ANV_MULTIALLOC(ma);
 198    anv_multialloc_add(&ma, &pass, 1);
 199    anv_multialloc_add(&ma, &subpasses, pCreateInfo->subpassCount);
 200    anv_multialloc_add(&ma, &attachments, pCreateInfo->attachmentCount);
 201    anv_multialloc_add(&ma, &subpass_flushes, pCreateInfo->subpassCount + 1);
 202
 203    struct anv_subpass_attachment *subpass_attachments;
 204    uint32_t subpass_attachment_count = 0;
 205    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
 206       subpass_attachment_count +=
 207          num_subpass_attachments(&pCreateInfo->pSubpasses[i]);
 208    }
 209    anv_multialloc_add(&ma, &subpass_attachments, subpass_attachment_count);
 210
 211    if (!anv_multialloc_alloc2(&ma, &device->alloc, pAllocator,
 212                               VK_SYSTEM_ALLOCATION_SCOPE_OBJECT))
 213       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 214
 215    /* Clear the subpasses along with the parent pass. This required because
 216     * each array member of anv_subpass must be a valid pointer if not NULL.
 217     */
 218    memset(pass, 0, ma.size);
 219    pass->attachment_count = pCreateInfo->attachmentCount;
 220    pass->subpass_count = pCreateInfo->subpassCount;
 221    pass->attachments = attachments;
 222    pass->subpass_flushes = subpass_flushes;
 223
 224    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
 225       pass->attachments[i] = (struct anv_render_pass_attachment) {
 226          .format                 = pCreateInfo->pAttachments[i].format,
 227          .samples                = pCreateInfo->pAttachments[i].samples,
 228          .load_op                = pCreateInfo->pAttachments[i].loadOp,
 229          .store_op               = pCreateInfo->pAttachments[i].storeOp,
 230          .stencil_load_op        = pCreateInfo->pAttachments[i].stencilLoadOp,
 231          .initial_layout         = pCreateInfo->pAttachments[i].initialLayout,
 232          .final_layout           = pCreateInfo->pAttachments[i].finalLayout,
 233       };
 234    }
 235
 236    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
 237       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
 238       struct anv_subpass *subpass = &pass->subpasses[i];
 239
 240       subpass->input_count = desc->inputAttachmentCount;
 241       subpass->color_count = desc->colorAttachmentCount;
 242       subpass->attachment_count = num_subpass_attachments(desc);
 243       subpass->attachments = subpass_attachments;
 244       subpass->view_mask = 0;
 245
 246       if (desc->inputAttachmentCount > 0) {
 247          subpass->input_attachments = subpass_attachments;
 248          subpass_attachments += desc->inputAttachmentCount;
 249
 250          for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
 251             subpass->input_attachments[j] = (struct anv_subpass_attachment) {
 252                .usage =       VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT,
 253                .attachment =  desc->pInputAttachments[j].attachment,
 254                .layout =      desc->pInputAttachments[j].layout,
 255             };
 256          }
 257       }
 258
 259       if (desc->colorAttachmentCount > 0) {
 260          subpass->color_attachments = subpass_attachments;
 261          subpass_attachments += desc->colorAttachmentCount;
 262
 263          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 264             subpass->color_attachments[j] = (struct anv_subpass_attachment) {
 265                .usage =       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 266                .attachment =  desc->pColorAttachments[j].attachment,
 267                .layout =      desc->pColorAttachments[j].layout,
 268             };
 269          }
 270       }
 271
 272       if (desc->pResolveAttachments) {
 273          subpass->resolve_attachments = subpass_attachments;
 274          subpass_attachments += desc->colorAttachmentCount;
 275
 276          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 277             subpass->resolve_attachments[j] = (struct anv_subpass_attachment) {
 278                .usage =       VK_IMAGE_USAGE_TRANSFER_DST_BIT,
 279                .attachment =  desc->pResolveAttachments[j].attachment,
 280                .layout =      desc->pResolveAttachments[j].layout,
 281             };
 282          }
 283       }
 284
 285       if (desc->pDepthStencilAttachment) {
 286          subpass->depth_stencil_attachment = (struct anv_subpass_attachment) {
 287             .usage =       VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
 288             .attachment =  desc->pDepthStencilAttachment->attachment,
 289             .layout =      desc->pDepthStencilAttachment->layout,
 290          };
 291          *subpass_attachments++ = subpass->depth_stencil_attachment;
 292       } else {
 293          subpass->depth_stencil_attachment = (struct anv_subpass_attachment) {
 294             .usage =       VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
 295             .attachment =  VK_ATTACHMENT_UNUSED,
 296             .layout =   VK_IMAGE_LAYOUT_UNDEFINED,
 297          };
 298       }
 299    }
 300
 301    for (uint32_t i = 0; i < pCreateInfo->dependencyCount; i++) {
 302       /* Convert to a Dependency2KHR */
 303       struct VkSubpassDependency2KHR dep2 = {
 304          .srcSubpass       = pCreateInfo->pDependencies[i].srcSubpass,
 305          .dstSubpass       = pCreateInfo->pDependencies[i].dstSubpass,
 306          .srcStageMask     = pCreateInfo->pDependencies[i].srcStageMask,
 307          .dstStageMask     = pCreateInfo->pDependencies[i].dstStageMask,
 308          .srcAccessMask    = pCreateInfo->pDependencies[i].srcAccessMask,
 309          .dstAccessMask    = pCreateInfo->pDependencies[i].dstAccessMask,
 310          .dependencyFlags  = pCreateInfo->pDependencies[i].dependencyFlags,
 311       };
 312       anv_render_pass_add_subpass_dep(pass, &dep2);
 313    }
 314
 315    vk_foreach_struct(ext, pCreateInfo->pNext) {
 316       switch (ext->sType) {
 317       case VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO_KHR: {
 318          VkRenderPassMultiviewCreateInfoKHR *mv = (void *)ext;
 319
 320          for (uint32_t i = 0; i < mv->subpassCount; i++) {
 321             pass->subpasses[i].view_mask = mv->pViewMasks[i];
 322          }
 323          break;
 324       }
 325
 326       default:
 327          anv_debug_ignored_stype(ext->sType);
 328       }
 329    }
 330
 331    anv_render_pass_compile(pass);
 332
 333    *pRenderPass = anv_render_pass_to_handle(pass);
 334
 335    return VK_SUCCESS;
 336 }
 337
 338 void anv_DestroyRenderPass(
 339     VkDevice                                    _device,
 340     VkRenderPass                                _pass,
 341     const VkAllocationCallbacks*                pAllocator)
 342 {
 343    ANV_FROM_HANDLE(anv_device, device, _device);
 344    ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
 345
 346    vk_free2(&device->alloc, pAllocator, pass);
 347 }
 348
 349 void anv_GetRenderAreaGranularity(
 350     VkDevice                                    device,
 351     VkRenderPass                                renderPass,
 352     VkExtent2D*                                 pGranularity)
 353 {
 354    ANV_FROM_HANDLE(anv_render_pass, pass, renderPass);
 355
 356    /* This granularity satisfies HiZ fast clear alignment requirements
 357     * for all sample counts.
 358     */
 359    for (unsigned i = 0; i < pass->subpass_count; ++i) {
 360       if (pass->subpasses[i].depth_stencil_attachment.attachment !=
 361           VK_ATTACHMENT_UNUSED) {
 362          *pGranularity = (VkExtent2D) { .width = 8, .height = 4 };
 363          return;
 364       }
 365    }
 366
 367    *pGranularity = (VkExtent2D) { 1, 1 };
 368 }