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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 #ifndef GrVkImage_DEFINED | |
9 #define GrVkImage_DEFINED | |
10 | |
11 #include "GrVkResource.h" | |
12 #include "SkTypes.h" | |
13 | |
14 #include "vulkan/vulkan.h" | |
15 | |
16 class GrVkGpu; | |
17 | |
18 class GrVkImage : SkNoncopyable { | |
19 public: | |
20 // unlike GrVkBuffer, this needs to be public so GrVkStencilAttachment can u
se it | |
21 class Resource : public GrVkResource { | |
22 public: | |
23 enum Flags { | |
24 kNo_Flags = 0, | |
25 kLinearTiling_Flag = 0x01 | |
26 }; | |
27 | |
28 VkImage fImage; | |
29 VkDeviceMemory fAlloc; | |
30 Flags fFlags; | |
31 | |
32 Resource() : INHERITED(), fImage(nullptr), fAlloc(nullptr), fFlags(kNo_F
lags) {} | |
33 | |
34 Resource(VkImage image, VkDeviceMemory alloc, Flags flags) | |
35 : fImage(image), fAlloc(alloc), fFlags(flags) {} | |
36 | |
37 ~Resource() override {} | |
38 private: | |
39 void freeGPUData(const GrVkGpu* gpu) const override; | |
40 | |
41 typedef GrVkResource INHERITED; | |
42 }; | |
43 | |
44 | |
45 GrVkImage(const Resource* imageResource) : fResource(imageResource) { | |
46 if (imageResource->fFlags & Resource::kLinearTiling_Flag) { | |
47 fCurrentLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; | |
48 } else { | |
49 fCurrentLayout = VK_IMAGE_LAYOUT_UNDEFINED; | |
50 } | |
51 imageResource->ref(); | |
52 } | |
53 | |
54 virtual ~GrVkImage(); | |
55 | |
56 VkImage textureImage() const { return fResource->fImage; } | |
57 VkDeviceMemory textureMemory() const { return fResource->fAlloc; } | |
58 const Resource* resource() const { return fResource; } | |
59 bool isLinearTiled() const { | |
60 return SkToBool(fResource->fFlags & Resource::kLinearTiling_Flag); | |
61 } | |
62 | |
63 VkImageLayout currentLayout() const { return fCurrentLayout; } | |
64 | |
65 void setImageLayout(const GrVkGpu* gpu, VkImageLayout newLayout, | |
66 VkAccessFlags srcAccessMask, | |
67 VkAccessFlags dstAccessMask, | |
68 VkPipelineStageFlags srcStageMask, | |
69 VkPipelineStageFlags dstStageMask, | |
70 bool byRegion); | |
71 | |
72 struct ImageDesc { | |
73 VkImageType fImageType; | |
74 VkFormat fFormat; | |
75 uint32_t fWidth; | |
76 uint32_t fHeight; | |
77 uint32_t fLevels; | |
78 uint32_t fSamples; | |
79 VkImageTiling fImageTiling; | |
80 VkImageUsageFlags fUsageFlags; | |
81 VkFlags fMemProps; | |
82 | |
83 ImageDesc() | |
84 : fImageType(VK_IMAGE_TYPE_2D) | |
85 , fFormat(VK_FORMAT_UNDEFINED) | |
86 , fWidth(0) | |
87 , fHeight(0) | |
88 , fLevels(1) | |
89 , fSamples(1) | |
90 , fImageTiling(VK_IMAGE_TILING_OPTIMAL) | |
91 , fUsageFlags(0) | |
92 , fMemProps(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) {} | |
93 }; | |
94 | |
95 static const Resource* CreateResource(const GrVkGpu* gpu, const ImageDesc& i
mageDesc); | |
96 | |
97 protected: | |
98 | |
99 void releaseImage(const GrVkGpu* gpu); | |
100 void abandonImage(); | |
101 | |
102 const Resource* fResource; | |
103 | |
104 VkImageLayout fCurrentLayout; | |
105 | |
106 }; | |
107 | |
108 #endif | |
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