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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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