1/*
2 * Copyright © 2021 Collabora Ltd.
3 *
4 * Derived from tu_pass.c which is:
5 * Copyright © 2016 Red Hat.
6 * Copyright © 2016 Bas Nieuwenhuizen
7 * Copyright © 2015 Intel Corporation
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
18 * Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 */
28#include "panvk_private.h"
29
30#include "vk_format.h"
31#include "vk_util.h"
32
33VkResult
34panvk_CreateRenderPass2(VkDevice _device,
35                        const VkRenderPassCreateInfo2 *pCreateInfo,
36                        const VkAllocationCallbacks *pAllocator,
37                        VkRenderPass *pRenderPass)
38{
39   VK_FROM_HANDLE(panvk_device, device, _device);
40   struct panvk_render_pass *pass;
41   size_t size;
42   size_t attachments_offset;
43   VkRenderPassMultiviewCreateInfo *multiview_info = NULL;
44
45   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO_2);
46
47   size = sizeof(*pass);
48   size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
49   attachments_offset = size;
50   size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
51
52   pass = vk_object_zalloc(&device->vk, pAllocator, size,
53                           VK_OBJECT_TYPE_RENDER_PASS);
54   if (pass == NULL)
55      return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
56
57   pass->attachment_count = pCreateInfo->attachmentCount;
58   pass->subpass_count = pCreateInfo->subpassCount;
59   pass->attachments = (void *) pass + attachments_offset;
60
61   vk_foreach_struct_const(ext, pCreateInfo->pNext) {
62      switch (ext->sType) {
63      case VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO:
64         multiview_info = (VkRenderPassMultiviewCreateInfo *) ext;
65         break;
66      default:
67         break;
68      }
69   }
70
71   for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
72      struct panvk_render_pass_attachment *att = &pass->attachments[i];
73
74      att->format = vk_format_to_pipe_format(pCreateInfo->pAttachments[i].format);
75      att->samples = pCreateInfo->pAttachments[i].samples;
76      att->load_op = pCreateInfo->pAttachments[i].loadOp;
77      att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
78      att->initial_layout = pCreateInfo->pAttachments[i].initialLayout;
79      att->final_layout = pCreateInfo->pAttachments[i].finalLayout;
80      att->store_op = pCreateInfo->pAttachments[i].storeOp;
81      att->stencil_store_op = pCreateInfo->pAttachments[i].stencilStoreOp;
82      att->first_used_in_subpass = ~0;
83   }
84
85   uint32_t subpass_attachment_count = 0;
86   struct panvk_subpass_attachment *p;
87   for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
88      const VkSubpassDescription2 *desc = &pCreateInfo->pSubpasses[i];
89
90      subpass_attachment_count +=
91         desc->inputAttachmentCount + desc->colorAttachmentCount +
92         (desc->pResolveAttachments ? desc->colorAttachmentCount : 0) +
93         (desc->pDepthStencilAttachment != NULL);
94   }
95
96   if (subpass_attachment_count) {
97      pass->subpass_attachments =
98         vk_alloc2(&device->vk.alloc, pAllocator,
99                   subpass_attachment_count *
100                   sizeof(struct panvk_subpass_attachment),
101                   8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
102      if (pass->subpass_attachments == NULL) {
103         vk_object_free(&device->vk, pAllocator, pass);
104         return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
105      }
106   }
107
108   p = pass->subpass_attachments;
109   for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
110      const VkSubpassDescription2 *desc = &pCreateInfo->pSubpasses[i];
111      struct panvk_subpass *subpass = &pass->subpasses[i];
112
113      subpass->input_count = desc->inputAttachmentCount;
114      subpass->color_count = desc->colorAttachmentCount;
115      if (multiview_info)
116         subpass->view_mask = multiview_info->pViewMasks[i];
117
118      if (desc->inputAttachmentCount > 0) {
119         subpass->input_attachments = p;
120         p += desc->inputAttachmentCount;
121
122         for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
123            subpass->input_attachments[j] = (struct panvk_subpass_attachment) {
124               .idx = desc->pInputAttachments[j].attachment,
125               .layout = desc->pInputAttachments[j].layout,
126            };
127            if (desc->pInputAttachments[j].attachment != VK_ATTACHMENT_UNUSED)
128               pass->attachments[desc->pInputAttachments[j].attachment]
129                  .view_mask |= subpass->view_mask;
130         }
131      }
132
133      if (desc->colorAttachmentCount > 0) {
134         subpass->color_attachments = p;
135         p += desc->colorAttachmentCount;
136
137         for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
138            uint32_t idx = desc->pColorAttachments[j].attachment;
139
140            subpass->color_attachments[j] = (struct panvk_subpass_attachment) {
141               .idx = idx,
142               .layout = desc->pColorAttachments[j].layout,
143            };
144
145            if (idx != VK_ATTACHMENT_UNUSED) {
146               pass->attachments[idx].view_mask |= subpass->view_mask;
147               if (pass->attachments[idx].first_used_in_subpass == ~0) {
148                  pass->attachments[idx].first_used_in_subpass = i;
149                  if (pass->attachments[idx].load_op == VK_ATTACHMENT_LOAD_OP_CLEAR)
150                     subpass->color_attachments[j].clear = true;
151                  else if (pass->attachments[idx].load_op == VK_ATTACHMENT_LOAD_OP_LOAD)
152                     subpass->color_attachments[j].preload = true;
153               } else {
154                  subpass->color_attachments[j].preload = true;
155               }
156            }
157         }
158      }
159
160      if (desc->pResolveAttachments) {
161         subpass->resolve_attachments = p;
162         p += desc->colorAttachmentCount;
163
164         for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
165            uint32_t idx = desc->pResolveAttachments[j].attachment;
166
167            subpass->resolve_attachments[j] = (struct panvk_subpass_attachment) {
168               .idx = idx,
169               .layout = desc->pResolveAttachments[j].layout,
170            };
171
172            if (idx != VK_ATTACHMENT_UNUSED)
173               pass->attachments[idx].view_mask |= subpass->view_mask;
174         }
175      }
176
177      unsigned idx = desc->pDepthStencilAttachment ?
178                     desc->pDepthStencilAttachment->attachment :
179                     VK_ATTACHMENT_UNUSED;
180      subpass->zs_attachment.idx = idx;
181      if (idx != VK_ATTACHMENT_UNUSED) {
182         subpass->zs_attachment.layout = desc->pDepthStencilAttachment->layout;
183         pass->attachments[idx].view_mask |= subpass->view_mask;
184
185         if (pass->attachments[idx].first_used_in_subpass == ~0) {
186            pass->attachments[idx].first_used_in_subpass = i;
187            if (pass->attachments[idx].load_op == VK_ATTACHMENT_LOAD_OP_CLEAR)
188               subpass->zs_attachment.clear = true;
189            else if (pass->attachments[idx].load_op == VK_ATTACHMENT_LOAD_OP_LOAD)
190               subpass->zs_attachment.preload = true;
191         } else {
192            subpass->zs_attachment.preload = true;
193         }
194      }
195   }
196
197   *pRenderPass = panvk_render_pass_to_handle(pass);
198   return VK_SUCCESS;
199}
200
201void
202panvk_DestroyRenderPass(VkDevice _device,
203                        VkRenderPass _pass,
204                        const VkAllocationCallbacks *pAllocator)
205{
206   VK_FROM_HANDLE(panvk_device, device, _device);
207   VK_FROM_HANDLE(panvk_render_pass, pass, _pass);
208
209   if (!pass)
210      return;
211
212   vk_free2(&device->vk.alloc, pAllocator, pass->subpass_attachments);
213   vk_object_free(&device->vk, pAllocator, pass);
214}
215
216void
217panvk_GetRenderAreaGranularity(VkDevice _device,
218                               VkRenderPass renderPass,
219                               VkExtent2D *pGranularity)
220{
221   /* TODO: Return the actual tile size for the render pass? */
222   *pGranularity = (VkExtent2D) { 1, 1 };
223}
224