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 };