OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright 2015 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "GrVkRenderPass.h" | |
9 | |
10 #include "GrVkFramebuffer.h" | |
11 #include "GrVkGpu.h" | |
12 #include "GrVkRenderTarget.h" | |
13 #include "GrVkUtil.h" | |
14 | |
15 void setup_simple_vk_attachment_description(VkAttachmentDescription* attachment, | |
16 VkFormat format, | |
17 uint32_t samples, | |
18 VkImageLayout layout) { | |
19 attachment->flags = 0; | |
20 attachment->format = format; | |
21 SkAssertResult(GrSampleCountToVkSampleCount(samples, &attachment->samples)); | |
22 attachment->loadOp = VK_ATTACHMENT_LOAD_OP_LOAD; | |
23 attachment->storeOp = VK_ATTACHMENT_STORE_OP_STORE; | |
24 attachment->stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD; | |
25 attachment->storeOp = VK_ATTACHMENT_STORE_OP_STORE; | |
26 attachment->initialLayout = layout; | |
27 attachment->finalLayout = layout; | |
28 } | |
29 | |
30 void GrVkRenderPass::initSimple(const GrVkGpu* gpu, const GrVkRenderTarget& targ
et) { | |
31 // Get attachment information from render target. This includes which attach
ments the render | |
32 // target has (color, resolve, stencil) and the attachments format and sampl
e count. | |
33 target.getAttachmentsDescriptor(&fAttachmentsDescriptor, &fAttachmentFlags); | |
34 | |
35 uint32_t numAttachments = fAttachmentsDescriptor.fAttachmentCount; | |
36 // Attachment descriptions to be set on the render pass | |
37 SkTArray<VkAttachmentDescription> attachments(numAttachments); | |
38 attachments.reset(numAttachments); | |
39 memset(attachments.begin(), 0, numAttachments*sizeof(VkAttachmentDescription
)); | |
40 | |
41 // Refs to attachments on the render pass (as described by teh VkAttachmentD
escription above), | |
42 // that are used by the subpass. | |
43 VkAttachmentReference colorRef; | |
44 VkAttachmentReference resolveRef; | |
45 VkAttachmentReference stencilRef; | |
46 uint32_t currentAttachment = 0; | |
47 | |
48 // Go through each of the attachment types (color, resolve, stencil) and set
the necessary | |
49 // on the various Vk structs. | |
50 VkSubpassDescription subpassDesc; | |
51 memset(&subpassDesc, 0, sizeof(VkSubpassDescription)); | |
52 subpassDesc.flags = 0; | |
53 subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; | |
54 subpassDesc.inputAttachmentCount = 0; | |
55 subpassDesc.pInputAttachments = nullptr; | |
56 if (fAttachmentFlags & kColor_AttachmentFlag) { | |
57 // set up color attachment | |
58 setup_simple_vk_attachment_description(&attachments[currentAttachment], | |
59 fAttachmentsDescriptor.fColor.fFo
rmat, | |
60 fAttachmentsDescriptor.fColor.fSa
mples, | |
61 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_
OPTIMAL); | |
62 // setup subpass use of attachment | |
63 colorRef.attachment = currentAttachment++; | |
64 colorRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; | |
65 subpassDesc.colorAttachmentCount = 1; | |
66 } else { | |
67 // I don't think there should ever be a time where we don't have a color
attachment | |
68 SkASSERT(false); | |
69 colorRef.attachment = VK_ATTACHMENT_UNUSED; | |
70 colorRef.layout = VK_IMAGE_LAYOUT_UNDEFINED; | |
71 subpassDesc.colorAttachmentCount = 0; | |
72 } | |
73 subpassDesc.pColorAttachments = &colorRef; | |
74 | |
75 if (fAttachmentFlags & kResolve_AttachmentFlag) { | |
76 // set up resolve attachment | |
77 setup_simple_vk_attachment_description(&attachments[currentAttachment], | |
78 fAttachmentsDescriptor.fResolve.f
Format, | |
79 fAttachmentsDescriptor.fResolve.f
Samples, | |
80 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_
OPTIMAL); | |
81 // setup subpass use of attachment | |
82 resolveRef.attachment = currentAttachment++; | |
83 // I'm really not sure what the layout should be for the resolve texture
s. | |
84 resolveRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; | |
85 subpassDesc.pResolveAttachments = &resolveRef; | |
86 } else { | |
87 subpassDesc.pResolveAttachments = nullptr; | |
88 } | |
89 | |
90 if (fAttachmentFlags & kStencil_AttachmentFlag) { | |
91 // set up stencil attachment | |
92 setup_simple_vk_attachment_description(&attachments[currentAttachment], | |
93 fAttachmentsDescriptor.fStencil.f
Format, | |
94 fAttachmentsDescriptor.fStencil.f
Samples, | |
95 VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATT
ACHMENT_OPTIMAL); | |
96 // setup subpass use of attachment | |
97 stencilRef.attachment = currentAttachment++; | |
98 stencilRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; | |
99 } else { | |
100 stencilRef.attachment = VK_ATTACHMENT_UNUSED; | |
101 stencilRef.layout = VK_IMAGE_LAYOUT_UNDEFINED; | |
102 } | |
103 subpassDesc.pDepthStencilAttachment = &stencilRef; | |
104 | |
105 subpassDesc.preserveAttachmentCount = 0; | |
106 subpassDesc.pPreserveAttachments = nullptr; | |
107 | |
108 SkASSERT(numAttachments == currentAttachment); | |
109 | |
110 // Create the VkRenderPass compatible with the attachment descriptions above | |
111 VkRenderPassCreateInfo createInfo; | |
112 memset(&createInfo, 0, sizeof(VkRenderPassCreateInfo)); | |
113 createInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; | |
114 createInfo.pNext = nullptr; | |
115 createInfo.flags = 0; | |
116 createInfo.attachmentCount = numAttachments; | |
117 createInfo.pAttachments = attachments.begin(); | |
118 createInfo.subpassCount = 1; | |
119 createInfo.pSubpasses = &subpassDesc; | |
120 createInfo.dependencyCount = 0; | |
121 createInfo.pDependencies = nullptr; | |
122 | |
123 GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateRenderPass(gpu->device(), | |
124 &createInfo, | |
125 nullptr, | |
126 &fRenderPass)); | |
127 } | |
128 | |
129 void GrVkRenderPass::freeGPUData(const GrVkGpu* gpu) const { | |
130 GR_VK_CALL(gpu->vkInterface(), DestroyRenderPass(gpu->device(), fRenderPass,
nullptr)); | |
131 } | |
132 | |
133 // Works under the assumption that color attachment will always be the first att
achment in our | |
134 // attachment array if it exists. | |
135 bool GrVkRenderPass::colorAttachmentIndex(uint32_t* index) const { | |
136 *index = 0; | |
137 if (fAttachmentFlags & kColor_AttachmentFlag) { | |
138 return true; | |
139 } | |
140 return false; | |
141 } | |
142 | |
143 // Works under the assumption that resolve attachment will always be after the c
olor attachment. | |
144 bool GrVkRenderPass::resolveAttachmentIndex(uint32_t* index) const { | |
145 *index = 0; | |
146 if (fAttachmentFlags & kColor_AttachmentFlag) { | |
147 ++(*index); | |
148 } | |
149 if (fAttachmentFlags & kResolve_AttachmentFlag) { | |
150 return true; | |
151 } | |
152 return false; | |
153 } | |
154 | |
155 // Works under the assumption that stencil attachment will always be after the c
olor and resolve | |
156 // attachment. | |
157 bool GrVkRenderPass::stencilAttachmentIndex(uint32_t* index) const { | |
158 *index = 0; | |
159 if (fAttachmentFlags & kColor_AttachmentFlag) { | |
160 ++(*index); | |
161 } | |
162 if (fAttachmentFlags & kResolve_AttachmentFlag) { | |
163 ++(*index); | |
164 } | |
165 if (fAttachmentFlags & kStencil_AttachmentFlag) { | |
166 return true; | |
167 } | |
168 return false; | |
169 } | |
170 | |
171 void GrVkRenderPass::getBeginInfo(const GrVkRenderTarget& target, | |
172 VkRenderPassBeginInfo* beginInfo, | |
173 VkSubpassContents* contents) const { | |
174 SkASSERT(this->isCompatible(target)); | |
175 | |
176 VkRect2D renderArea; | |
177 renderArea.offset = { 0, 0 }; | |
178 renderArea.extent = { (uint32_t)target.width(), (uint32_t)target.height() }; | |
179 | |
180 memset(beginInfo, 0, sizeof(VkRenderPassBeginInfo)); | |
181 beginInfo->sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; | |
182 beginInfo->pNext = nullptr; | |
183 beginInfo->renderPass = fRenderPass; | |
184 beginInfo->framebuffer = target.framebuffer()->framebuffer(); | |
185 beginInfo->renderArea = renderArea; | |
186 beginInfo->clearValueCount = 0; | |
187 beginInfo->pClearValues = nullptr; | |
188 | |
189 // Currently just assuming no secondary cmd buffers. This value will need to
be update if we | |
190 // have them. | |
191 *contents = VK_SUBPASS_CONTENTS_INLINE; | |
192 } | |
193 | |
194 bool GrVkRenderPass::isCompatible(const GrVkRenderTarget& target) const { | |
195 AttachmentsDescriptor desc; | |
196 AttachmentFlags flags; | |
197 target.getAttachmentsDescriptor(&desc, &flags); | |
198 | |
199 if (flags != fAttachmentFlags) { | |
200 return false; | |
201 } | |
202 | |
203 if (fAttachmentFlags & kColor_AttachmentFlag) { | |
204 if (fAttachmentsDescriptor.fColor != desc.fColor) { | |
205 return false; | |
206 } | |
207 } | |
208 if (fAttachmentFlags & kResolve_AttachmentFlag) { | |
209 if (fAttachmentsDescriptor.fResolve != desc.fResolve) { | |
210 return false; | |
211 } | |
212 } | |
213 if (fAttachmentFlags & kStencil_AttachmentFlag) { | |
214 if (fAttachmentsDescriptor.fStencil != desc.fStencil) { | |
215 return false; | |
216 } | |
217 } | |
218 | |
219 return true; | |
220 } | |
OLD | NEW |