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 VkResult anv_CreateRenderPass(
  27     VkDevice                                    _device,
  28     const VkRenderPassCreateInfo*               pCreateInfo,
  29     const VkAllocationCallbacks*                pAllocator,
  30     VkRenderPass*                               pRenderPass)
  31 {
  32    ANV_FROM_HANDLE(anv_device, device, _device);
  33    struct anv_render_pass *pass;
  34    size_t size;
  35    size_t attachments_offset;
  36
  37    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
  38
  39    size = sizeof(*pass);
  40    size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
  41    attachments_offset = size;
  42    size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
  43
  44    pass = vk_alloc2(&device->alloc, pAllocator, size, 8,
  45                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  46    if (pass == NULL)
  47       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  48
  49    /* Clear the subpasses along with the parent pass. This required because
  50     * each array member of anv_subpass must be a valid pointer if not NULL.
  51     */
  52    memset(pass, 0, size);
  53    pass->attachment_count = pCreateInfo->attachmentCount;
  54    pass->subpass_count = pCreateInfo->subpassCount;
  55    pass->attachments = (void *) pass + attachments_offset;
  56
  57    pass->subpass_usages =
  58       vk_zalloc2(&device->alloc, pAllocator,
  59                  pass->subpass_count * pass->attachment_count *
  60                                        sizeof(*pass->subpass_usages),
  61                  8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  62    if (pass->subpass_usages == NULL) {
  63       vk_free2(&device->alloc, pAllocator, pass);
  64       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  65    }
  66
  67    enum anv_subpass_usage *usages = pass->subpass_usages;
  68    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
  69       struct anv_render_pass_attachment *att = &pass->attachments[i];
  70
  71       att->format = pCreateInfo->pAttachments[i].format;
  72       att->samples = pCreateInfo->pAttachments[i].samples;
  73       att->load_op = pCreateInfo->pAttachments[i].loadOp;
  74       att->store_op = pCreateInfo->pAttachments[i].storeOp;
  75       att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
  76       att->subpass_usage = usages;
  77       usages += pass->subpass_count;
  78    }
  79
  80    uint32_t subpass_attachment_count = 0, *p;
  81    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
  82       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
  83
  84       subpass_attachment_count +=
  85          desc->inputAttachmentCount +
  86          desc->colorAttachmentCount +
  87          /* Count colorAttachmentCount again for resolve_attachments */
  88          desc->colorAttachmentCount;
  89    }
  90
  91    pass->subpass_attachments =
  92       vk_alloc2(&device->alloc, pAllocator,
  93                  subpass_attachment_count * sizeof(uint32_t), 8,
  94                  VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  95    if (pass->subpass_attachments == NULL) {
  96       vk_free2(&device->alloc, pAllocator, pass->subpass_usages);
  97       vk_free2(&device->alloc, pAllocator, pass);
  98       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  99    }
 100
 101    p = pass->subpass_attachments;
 102    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
 103       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
 104       struct anv_subpass *subpass = &pass->subpasses[i];
 105
 106       subpass->input_count = desc->inputAttachmentCount;
 107       subpass->color_count = desc->colorAttachmentCount;
 108
 109       if (desc->inputAttachmentCount > 0) {
 110          subpass->input_attachments = p;
 111          p += desc->inputAttachmentCount;
 112
 113          for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
 114             uint32_t a = desc->pInputAttachments[j].attachment;
 115             subpass->input_attachments[j] = a;
 116             pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_INPUT;
 117          }
 118       }
 119
 120       if (desc->colorAttachmentCount > 0) {
 121          subpass->color_attachments = p;
 122          p += desc->colorAttachmentCount;
 123
 124          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 125             uint32_t a = desc->pColorAttachments[j].attachment;
 126             subpass->color_attachments[j] = a;
 127             pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_DRAW;
 128          }
 129       }
 130
 131       subpass->has_resolve = false;
 132       if (desc->pResolveAttachments) {
 133          subpass->resolve_attachments = p;
 134          p += desc->colorAttachmentCount;
 135
 136          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 137             uint32_t a = desc->pResolveAttachments[j].attachment;
 138             subpass->resolve_attachments[j] = a;
 139             if (a != VK_ATTACHMENT_UNUSED) {
 140                subpass->has_resolve = true;
 141                uint32_t color_att = desc->pColorAttachments[j].attachment;
 142                pass->attachments[color_att].subpass_usage[i] |=
 143                   ANV_SUBPASS_USAGE_RESOLVE_SRC;
 144                pass->attachments[a].subpass_usage[i] |=
 145                   ANV_SUBPASS_USAGE_RESOLVE_DST;
 146             }
 147          }
 148       }
 149
 150       if (desc->pDepthStencilAttachment) {
 151          uint32_t a = desc->pDepthStencilAttachment->attachment;
 152          subpass->depth_stencil_attachment = a;
 153          if (a != VK_ATTACHMENT_UNUSED)
 154             pass->attachments[a].subpass_usage[i] |= ANV_SUBPASS_USAGE_DRAW;
 155       } else {
 156          subpass->depth_stencil_attachment = VK_ATTACHMENT_UNUSED;
 157       }
 158    }
 159
 160    *pRenderPass = anv_render_pass_to_handle(pass);
 161
 162    return VK_SUCCESS;
 163 }
 164
 165 void anv_DestroyRenderPass(
 166     VkDevice                                    _device,
 167     VkRenderPass                                _pass,
 168     const VkAllocationCallbacks*                pAllocator)
 169 {
 170    ANV_FROM_HANDLE(anv_device, device, _device);
 171    ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
 172
 173    if (!pass)
 174       return;
 175
 176    vk_free2(&device->alloc, pAllocator, pass->subpass_attachments);
 177    vk_free2(&device->alloc, pAllocator, pass->subpass_usages);
 178    vk_free2(&device->alloc, pAllocator, pass);
 179 }
 180
 181 void anv_GetRenderAreaGranularity(
 182     VkDevice                                    device,
 183     VkRenderPass                                renderPass,
 184     VkExtent2D*                                 pGranularity)
 185 {
 186    ANV_FROM_HANDLE(anv_render_pass, pass, renderPass);
 187
 188    /* This granularity satisfies HiZ fast clear alignment requirements
 189     * for all sample counts.
 190     */
 191    for (unsigned i = 0; i < pass->subpass_count; ++i) {
 192       if (pass->subpasses[i].depth_stencil_attachment !=
 193           VK_ATTACHMENT_UNUSED) {
 194          *pGranularity = (VkExtent2D) { .width = 8, .height = 4 };
 195          return;
 196       }
 197    }
 198
 199    *pGranularity = (VkExtent2D) { 1, 1 };
 200 }