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 static unsigned
  27 num_subpass_attachments(const VkSubpassDescription *desc)
  28 {
  29    return desc->inputAttachmentCount +
  30           desc->colorAttachmentCount +
  31           (desc->pResolveAttachments ? desc->colorAttachmentCount : 0) +
  32           (desc->pDepthStencilAttachment != NULL);
  33 }
  34
  35 VkResult anv_CreateRenderPass(
  36     VkDevice                                    _device,
  37     const VkRenderPassCreateInfo*               pCreateInfo,
  38     const VkAllocationCallbacks*                pAllocator,
  39     VkRenderPass*                               pRenderPass)
  40 {
  41    ANV_FROM_HANDLE(anv_device, device, _device);
  42
  43    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
  44
  45    struct anv_render_pass *pass;
  46    struct anv_subpass *subpasses;
  47    struct anv_render_pass_attachment *attachments;
  48
  49    ANV_MULTIALLOC(ma);
  50    anv_multialloc_add(&ma, &pass, 1);
  51    anv_multialloc_add(&ma, &subpasses, pCreateInfo->subpassCount);
  52    anv_multialloc_add(&ma, &attachments, pCreateInfo->attachmentCount);
  53
  54    VkAttachmentReference *subpass_attachments;
  55    uint32_t subpass_attachment_count = 0;
  56    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
  57       subpass_attachment_count +=
  58          num_subpass_attachments(&pCreateInfo->pSubpasses[i]);
  59    }
  60    anv_multialloc_add(&ma, &subpass_attachments, subpass_attachment_count);
  61
  62    enum anv_subpass_usage *subpass_usages;
  63    anv_multialloc_add(&ma, &subpass_usages,
  64                       pCreateInfo->subpassCount * pCreateInfo->attachmentCount);
  65
  66    if (!anv_multialloc_alloc2(&ma, &device->alloc, pAllocator,
  67                               VK_SYSTEM_ALLOCATION_SCOPE_OBJECT))
  68       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  69
  70    /* Clear the subpasses along with the parent pass. This required because
  71     * each array member of anv_subpass must be a valid pointer if not NULL.
  72     */
  73    memset(pass, 0, ma.size);
  74    pass->attachment_count = pCreateInfo->attachmentCount;
  75    pass->subpass_count = pCreateInfo->subpassCount;
  76    pass->attachments = attachments;
  77
  78    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
  79       struct anv_render_pass_attachment *att = &pass->attachments[i];
  80
  81       att->format = pCreateInfo->pAttachments[i].format;
  82       att->samples = pCreateInfo->pAttachments[i].samples;
  83       att->usage = 0;
  84       att->load_op = pCreateInfo->pAttachments[i].loadOp;
  85       att->store_op = pCreateInfo->pAttachments[i].storeOp;
  86       att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
  87       att->initial_layout = pCreateInfo->pAttachments[i].initialLayout;
  88       att->final_layout = pCreateInfo->pAttachments[i].finalLayout;
  89       att->subpass_usage = subpass_usages;
  90       subpass_usages += pass->subpass_count;
  91    }
  92
  93    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
  94       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
  95       struct anv_subpass *subpass = &pass->subpasses[i];
  96
  97       subpass->input_count = desc->inputAttachmentCount;
  98       subpass->color_count = desc->colorAttachmentCount;
  99       subpass->attachment_count = num_subpass_attachments(desc);
 100       subpass->attachments = subpass_attachments;
 101
 102       if (desc->inputAttachmentCount > 0) {
 103          subpass->input_attachments = subpass_attachments;
 104          subpass_attachments += desc->inputAttachmentCount;
 105
 106          for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
 107             uint32_t a = desc->pInputAttachments[j].attachment;
 108             subpass->input_attachments[j] = desc->pInputAttachments[j];
 109             if (a != VK_ATTACHMENT_UNUSED) {
 110                pass->attachments[a].usage |= VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
 111                pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_INPUT;
 112                pass->attachments[a].last_subpass_idx = i;
 113
 114                if (desc->pDepthStencilAttachment &&
 115                    a == desc->pDepthStencilAttachment->attachment)
 116                   subpass->has_ds_self_dep = true;
 117             }
 118          }
 119       }
 120
 121       if (desc->colorAttachmentCount > 0) {
 122          subpass->color_attachments = subpass_attachments;
 123          subpass_attachments += desc->colorAttachmentCount;
 124
 125          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 126             uint32_t a = desc->pColorAttachments[j].attachment;
 127             subpass->color_attachments[j] = desc->pColorAttachments[j];
 128             if (a != VK_ATTACHMENT_UNUSED) {
 129                pass->attachments[a].usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 130                pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_DRAW;
 131                pass->attachments[a].last_subpass_idx = i;
 132             }
 133          }
 134       }
 135
 136       subpass->has_resolve = false;
 137       if (desc->pResolveAttachments) {
 138          subpass->resolve_attachments = subpass_attachments;
 139          subpass_attachments += desc->colorAttachmentCount;
 140
 141          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 142             uint32_t a = desc->pResolveAttachments[j].attachment;
 143             subpass->resolve_attachments[j] = desc->pResolveAttachments[j];
 144             if (a != VK_ATTACHMENT_UNUSED) {
 145                subpass->has_resolve = true;
 146                uint32_t color_att = desc->pColorAttachments[j].attachment;
 147                pass->attachments[color_att].usage |=
 148                   VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
 149                pass->attachments[a].usage |= VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 150
 151                pass->attachments[color_att].subpass_usage[i] |=
 152                   ANV_SUBPASS_USAGE_RESOLVE_SRC;
 153                pass->attachments[a].subpass_usage[i] |=
 154                   ANV_SUBPASS_USAGE_RESOLVE_DST;
 155                pass->attachments[a].last_subpass_idx = i;
 156             }
 157          }
 158       }
 159
 160       if (desc->pDepthStencilAttachment) {
 161          uint32_t a = desc->pDepthStencilAttachment->attachment;
 162          *subpass_attachments++ = subpass->depth_stencil_attachment =
 163             *desc->pDepthStencilAttachment;
 164          if (a != VK_ATTACHMENT_UNUSED) {
 165             pass->attachments[a].usage |=
 166                VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 167             pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_DRAW;
 168             pass->attachments[a].last_subpass_idx = i;
 169          }
 170       } else {
 171          subpass->depth_stencil_attachment.attachment = VK_ATTACHMENT_UNUSED;
 172          subpass->depth_stencil_attachment.layout = VK_IMAGE_LAYOUT_UNDEFINED;
 173       }
 174    }
 175
 176    *pRenderPass = anv_render_pass_to_handle(pass);
 177
 178    return VK_SUCCESS;
 179 }
 180
 181 void anv_DestroyRenderPass(
 182     VkDevice                                    _device,
 183     VkRenderPass                                _pass,
 184     const VkAllocationCallbacks*                pAllocator)
 185 {
 186    ANV_FROM_HANDLE(anv_device, device, _device);
 187    ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
 188
 189    vk_free2(&device->alloc, pAllocator, pass);
 190 }
 191
 192 void anv_GetRenderAreaGranularity(
 193     VkDevice                                    device,
 194     VkRenderPass                                renderPass,
 195     VkExtent2D*                                 pGranularity)
 196 {
 197    ANV_FROM_HANDLE(anv_render_pass, pass, renderPass);
 198
 199    /* This granularity satisfies HiZ fast clear alignment requirements
 200     * for all sample counts.
 201     */
 202    for (unsigned i = 0; i < pass->subpass_count; ++i) {
 203       if (pass->subpasses[i].depth_stencil_attachment.attachment !=
 204           VK_ATTACHMENT_UNUSED) {
 205          *pGranularity = (VkExtent2D) { .width = 8, .height = 4 };
 206          return;
 207       }
 208    }
 209
 210    *pGranularity = (VkExtent2D) { 1, 1 };
 211 }