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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 "GrVkTextureRenderTarget.h" | |
9 | |
10 #include "GrRenderTargetPriv.h" | |
11 #include "GrVkGpu.h" | |
12 #include "GrVkImageView.h" | |
13 #include "GrVkUtil.h" | |
14 | |
15 #define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X) | |
16 | |
17 GrVkTextureRenderTarget* | |
18 GrVkTextureRenderTarget::Create(GrVkGpu* gpu, | |
19 const GrSurfaceDesc& desc, | |
20 GrGpuResource::LifeCycle lifeCycle, | |
21 VkFormat format, | |
22 const GrVkImage::Resource* imageResource) { | |
23 | |
24 VkImage image = imageResource->fImage; | |
25 // Create the texture ImageView | |
26 const GrVkImageView* imageView = GrVkImageView::Create(gpu, image, format, | |
27 GrVkImageView::kColor
_Type); | |
28 if (!imageView) { | |
29 return nullptr; | |
30 } | |
31 | |
32 VkFormat pixelFormat; | |
33 GrPixelConfigToVkFormat(desc.fConfig, &pixelFormat); | |
34 | |
35 VkImage colorImage; | |
36 | |
37 // create msaa surface if necessary | |
38 const GrVkImage::Resource* msaaImageResource = nullptr; | |
39 const GrVkImageView* resolveAttachmentView = nullptr; | |
40 if (desc.fSampleCnt) { | |
41 GrVkImage::ImageDesc msImageDesc; | |
42 msImageDesc.fImageType = VK_IMAGE_TYPE_2D; | |
43 msImageDesc.fFormat = pixelFormat; | |
44 msImageDesc.fWidth = desc.fWidth; | |
45 msImageDesc.fHeight = desc.fHeight; | |
46 msImageDesc.fLevels = 1; | |
47 msImageDesc.fSamples = desc.fSampleCnt; | |
48 msImageDesc.fImageTiling = VK_IMAGE_TILING_OPTIMAL; | |
49 msImageDesc.fUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; | |
50 msImageDesc.fMemProps = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; | |
51 | |
52 msaaImageResource = GrVkImage::CreateResource(gpu, msImageDesc); | |
53 | |
54 if (!msaaImageResource) { | |
55 imageView->unref(gpu); | |
56 return nullptr; | |
57 } | |
58 | |
59 // Set color attachment image | |
60 colorImage = msaaImageResource->fImage; | |
61 | |
62 // Create resolve attachment view if necessary. | |
63 // If the format matches, this is the same as the texture imageView. | |
64 if (pixelFormat == format) { | |
65 resolveAttachmentView = imageView; | |
66 resolveAttachmentView->ref(); | |
67 } else { | |
68 resolveAttachmentView = GrVkImageView::Create(gpu, image, pixelForma
t, | |
69 GrVkImageView::kColor_
Type); | |
70 if (!resolveAttachmentView) { | |
71 msaaImageResource->unref(gpu); | |
72 imageView->unref(gpu); | |
73 return nullptr; | |
74 } | |
75 } | |
76 } else { | |
77 // Set color attachment image | |
78 colorImage = imageResource->fImage; | |
79 } | |
80 | |
81 const GrVkImageView* colorAttachmentView; | |
82 // Get color attachment view. | |
83 // If the format matches and there's no multisampling, | |
84 // this is the same as the texture imageView | |
85 if (pixelFormat == format && !resolveAttachmentView) { | |
86 colorAttachmentView = imageView; | |
87 colorAttachmentView->ref(); | |
88 } else { | |
89 colorAttachmentView = GrVkImageView::Create(gpu, colorImage, pixelFormat
, | |
90 GrVkImageView::kColor_Type); | |
91 if (!colorAttachmentView) { | |
92 if (msaaImageResource) { | |
93 resolveAttachmentView->unref(gpu); | |
94 msaaImageResource->unref(gpu); | |
95 } | |
96 imageView->unref(gpu); | |
97 return nullptr; | |
98 } | |
99 } | |
100 | |
101 GrVkTextureRenderTarget* texRT; | |
102 if (msaaImageResource) { | |
103 texRT = new GrVkTextureRenderTarget(gpu, desc, lifeCycle, | |
104 imageResource, imageView, msaaImageR
esource, | |
105 colorAttachmentView, | |
106 resolveAttachmentView); | |
107 msaaImageResource->unref(gpu); | |
108 } else { | |
109 texRT = new GrVkTextureRenderTarget(gpu, desc, lifeCycle, | |
110 imageResource, imageView, | |
111 colorAttachmentView); | |
112 } | |
113 return texRT; | |
114 } | |
115 | |
116 GrVkTextureRenderTarget* | |
117 GrVkTextureRenderTarget::CreateNewTextureRenderTarget(GrVkGpu* gpu, | |
118 const GrSurfaceDesc& desc, | |
119 GrGpuResource::LifeCycle li
feCycle, | |
120 const GrVkImage::ImageDesc&
imageDesc) { | |
121 SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT); | |
122 SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_SAMPLED_BIT); | |
123 | |
124 const GrVkImage::Resource* imageRsrc = GrVkImage::CreateResource(gpu, imageD
esc); | |
125 | |
126 if (!imageRsrc) { | |
127 return nullptr; | |
128 } | |
129 | |
130 GrVkTextureRenderTarget* trt = GrVkTextureRenderTarget::Create(gpu, desc, li
feCycle, | |
131 imageDesc.fFo
rmat, imageRsrc); | |
132 // Create() will increment the refCount of the image resource if it succeeds | |
133 imageRsrc->unref(gpu); | |
134 | |
135 return trt; | |
136 } | |
137 | |
138 GrVkTextureRenderTarget* | |
139 GrVkTextureRenderTarget::CreateWrappedTextureRenderTarget(GrVkGpu* gpu, | |
140 const GrSurfaceDesc& d
esc, | |
141 GrGpuResource::LifeCyc
le lifeCycle, | |
142 VkFormat format, | |
143 GrVkImage::Resource* i
mageRsrc) { | |
144 SkASSERT(imageRsrc); | |
145 | |
146 // Note: we assume the caller will unref the imageResource | |
147 // Create() will increment the refCount, and we'll unref when we're done wit
h it | |
148 return GrVkTextureRenderTarget::Create(gpu, desc, lifeCycle, format, imageRs
rc); | |
149 } | |
150 | |
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