2 * Copyright © 2015 Intel Corporation
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:
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
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
24 #include "anv_private.h"
26 VkResult anv_CreateRenderPass(
28 const VkRenderPassCreateInfo* pCreateInfo,
29 const VkAllocationCallbacks* pAllocator,
30 VkRenderPass* pRenderPass)
32 ANV_FROM_HANDLE(anv_device, device, _device);
33 struct anv_render_pass *pass;
35 size_t attachments_offset;
37 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
40 size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
41 attachments_offset = size;
42 size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
44 pass = anv_alloc2(&device->alloc, pAllocator, size, 8,
45 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
47 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
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.
52 memset(pass, 0, size);
53 pass->attachment_count = pCreateInfo->attachmentCount;
54 pass->subpass_count = pCreateInfo->subpassCount;
55 pass->attachments = (void *) pass + attachments_offset;
57 for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
58 struct anv_render_pass_attachment *att = &pass->attachments[i];
60 att->format = anv_format_for_vk_format(pCreateInfo->pAttachments[i].format);
61 att->samples = pCreateInfo->pAttachments[i].samples;
62 att->load_op = pCreateInfo->pAttachments[i].loadOp;
63 att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
64 // att->store_op = pCreateInfo->pAttachments[i].storeOp;
65 // att->stencil_store_op = pCreateInfo->pAttachments[i].stencilStoreOp;
68 uint32_t subpass_attachment_count = 0, *p;
69 for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
70 const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
72 subpass_attachment_count +=
73 desc->inputAttachmentCount +
74 desc->colorAttachmentCount +
75 /* Count colorAttachmentCount again for resolve_attachments */
76 desc->colorAttachmentCount;
79 pass->subpass_attachments =
80 anv_alloc2(&device->alloc, pAllocator,
81 subpass_attachment_count * sizeof(uint32_t), 8,
82 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
83 if (pass->subpass_attachments == NULL) {
84 anv_free2(&device->alloc, pAllocator, pass);
85 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
88 p = pass->subpass_attachments;
89 for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
90 const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
91 struct anv_subpass *subpass = &pass->subpasses[i];
93 subpass->input_count = desc->inputAttachmentCount;
94 subpass->color_count = desc->colorAttachmentCount;
96 if (desc->inputAttachmentCount > 0) {
97 subpass->input_attachments = p;
98 p += desc->inputAttachmentCount;
100 for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
101 subpass->input_attachments[j]
102 = desc->pInputAttachments[j].attachment;
106 if (desc->colorAttachmentCount > 0) {
107 subpass->color_attachments = p;
108 p += desc->colorAttachmentCount;
110 for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
111 subpass->color_attachments[j]
112 = desc->pColorAttachments[j].attachment;
116 subpass->has_resolve = false;
117 if (desc->pResolveAttachments) {
118 subpass->resolve_attachments = p;
119 p += desc->colorAttachmentCount;
121 for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
122 uint32_t a = desc->pResolveAttachments[j].attachment;
123 subpass->resolve_attachments[j] = a;
124 if (a != VK_ATTACHMENT_UNUSED)
125 subpass->has_resolve = true;
129 if (desc->pDepthStencilAttachment) {
130 subpass->depth_stencil_attachment =
131 desc->pDepthStencilAttachment->attachment;
133 subpass->depth_stencil_attachment = VK_ATTACHMENT_UNUSED;
137 *pRenderPass = anv_render_pass_to_handle(pass);
142 void anv_DestroyRenderPass(
145 const VkAllocationCallbacks* pAllocator)
147 ANV_FROM_HANDLE(anv_device, device, _device);
148 ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
150 anv_free2(&device->alloc, pAllocator, pass->subpass_attachments);
151 anv_free2(&device->alloc, pAllocator, pass);
154 void anv_GetRenderAreaGranularity(
156 VkRenderPass renderPass,
157 VkExtent2D* pGranularity)
159 *pGranularity = (VkExtent2D) { 1, 1 };