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