1 /*
2 * Copyright 2023 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 "src/gpu/graphite/vk/VulkanImageView.h"
9
10 #include "src/gpu/graphite/vk/VulkanGraphiteUtilsPriv.h"
11 #include "src/gpu/graphite/vk/VulkanResourceProvider.h"
12 #include "src/gpu/graphite/vk/VulkanSharedContext.h"
13 #include "src/gpu/graphite/vk/VulkanYcbcrConversion.h"
14
15 namespace skgpu::graphite {
16
Make(const VulkanSharedContext * sharedCtx,VkImage image,VkFormat format,Usage usage,uint32_t miplevels,sk_sp<VulkanYcbcrConversion> ycbcrConversion)17 std::unique_ptr<const VulkanImageView> VulkanImageView::Make(
18 const VulkanSharedContext* sharedCtx,
19 VkImage image,
20 VkFormat format,
21 Usage usage,
22 uint32_t miplevels,
23 sk_sp<VulkanYcbcrConversion> ycbcrConversion) {
24
25 void* pNext = nullptr;
26 VkSamplerYcbcrConversionInfo conversionInfo;
27 if (ycbcrConversion) {
28 conversionInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO;
29 conversionInfo.pNext = nullptr;
30 conversionInfo.conversion = ycbcrConversion->ycbcrConversion();
31 pNext = &conversionInfo;
32 }
33
34 VkImageView imageView;
35 // Create the VkImageView
36 VkImageAspectFlags aspectFlags;
37 if (Usage::kAttachment == usage) {
38 switch (format) {
39 case VK_FORMAT_S8_UINT:
40 aspectFlags = VK_IMAGE_ASPECT_STENCIL_BIT;
41 break;
42 case VK_FORMAT_D16_UNORM:
43 case VK_FORMAT_D32_SFLOAT:
44 aspectFlags = VK_IMAGE_ASPECT_DEPTH_BIT;
45 break;
46 case VK_FORMAT_D24_UNORM_S8_UINT:
47 case VK_FORMAT_D32_SFLOAT_S8_UINT:
48 aspectFlags = VK_IMAGE_ASPECT_STENCIL_BIT | VK_IMAGE_ASPECT_DEPTH_BIT;
49 break;
50 default:
51 aspectFlags = VK_IMAGE_ASPECT_COLOR_BIT;
52 break;
53 }
54 // Attachments can only expose the top level MIP
55 miplevels = 1;
56 } else {
57 aspectFlags = VK_IMAGE_ASPECT_COLOR_BIT;
58 }
59 VkImageViewCreateInfo viewInfo = {
60 VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, // sType
61 pNext, // pNext
62 0, // flags
63 image, // image
64 VK_IMAGE_VIEW_TYPE_2D, // viewType
65 format, // format
66 { VK_COMPONENT_SWIZZLE_IDENTITY,
67 VK_COMPONENT_SWIZZLE_IDENTITY,
68 VK_COMPONENT_SWIZZLE_IDENTITY,
69 VK_COMPONENT_SWIZZLE_IDENTITY }, // components
70 { aspectFlags, 0, miplevels, 0, 1 }, // subresourceRange
71 };
72
73 VkResult result;
74 VULKAN_CALL_RESULT(sharedCtx,
75 result,
76 CreateImageView(sharedCtx->device(), &viewInfo, nullptr, &imageView));
77 if (result != VK_SUCCESS) {
78 return nullptr;
79 }
80
81 return std::unique_ptr<VulkanImageView>(new VulkanImageView(sharedCtx, imageView, usage,
82 ycbcrConversion));
83 }
84
VulkanImageView(const VulkanSharedContext * sharedContext,VkImageView imageView,Usage usage,sk_sp<VulkanYcbcrConversion> ycbcrConversion)85 VulkanImageView::VulkanImageView(const VulkanSharedContext* sharedContext,
86 VkImageView imageView,
87 Usage usage,
88 sk_sp<VulkanYcbcrConversion> ycbcrConversion)
89 : fSharedContext(sharedContext)
90 , fImageView(imageView)
91 , fUsage(usage)
92 , fYcbcrConversion(std::move(ycbcrConversion)) {}
93
~VulkanImageView()94 VulkanImageView::~VulkanImageView() {
95 VULKAN_CALL(fSharedContext->interface(),
96 DestroyImageView(fSharedContext->device(), fImageView, nullptr));
97 }
98
99 } // namespace skgpu::graphite
100