xref: /aosp_15_r20/external/skia/src/gpu/ganesh/vk/GrVkSamplerYcbcrConversion.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2018 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 GrVkSamplerYcbcrConverison_DEFINED
9 #define GrVkSamplerYcbcrConverison_DEFINED
10 
11 #include "include/private/base/SkDebug.h"
12 #include "include/private/base/SkMacros.h"
13 #include "include/private/gpu/vk/SkiaVulkan.h"
14 #include "src/core/SkChecksum.h"
15 #include "src/gpu/ganesh/GrManagedResource.h"
16 #include "src/gpu/ganesh/vk/GrVkManagedResource.h"
17 
18 #include <cinttypes>
19 #include <cstdint>
20 class GrVkGpu;
21 namespace skgpu {
22 struct VulkanYcbcrConversionInfo;
23 }
24 
25 class GrVkSamplerYcbcrConversion : public GrVkManagedResource {
26 public:
27     static GrVkSamplerYcbcrConversion* Create(GrVkGpu* gpu,
28                                               const skgpu::VulkanYcbcrConversionInfo&);
29 
ycbcrConversion()30     VkSamplerYcbcrConversion ycbcrConversion() const { return fYcbcrConversion; }
31 
32     SK_BEGIN_REQUIRE_DENSE
33     struct Key {
34         Key() = default;
KeyKey35         Key(VkFormat vkFormat, uint64_t externalFormat, uint32_t conversionKey) {
36             fVkFormat = vkFormat;
37             fExternalFormat = externalFormat;
38             fConversionKey = conversionKey;
39         }
40 
41         VkFormat fVkFormat = VK_FORMAT_UNDEFINED;
42         uint32_t fConversionKey = 0;
43         uint64_t fExternalFormat = 0;
44 
45         bool operator==(const Key& that) const {
46             return this->fVkFormat == that.fVkFormat &&
47                    this->fExternalFormat == that.fExternalFormat &&
48                    this->fConversionKey == that.fConversionKey;
49         }
50     };
51     SK_END_REQUIRE_DENSE
52 
53     // Helpers for hashing GrVkSamplerYcbcrConversion
54     static Key GenerateKey(const skgpu::VulkanYcbcrConversionInfo& ycbcrInfo);
55 
GetKey(const GrVkSamplerYcbcrConversion & ycbcrConversion)56     static const Key& GetKey(const GrVkSamplerYcbcrConversion& ycbcrConversion) {
57         return ycbcrConversion.fKey;
58     }
Hash(const Key & key)59     static uint32_t Hash(const Key& key) {
60         return SkChecksum::Hash32(&key, sizeof(Key));
61     }
62 
63 #ifdef SK_TRACE_MANAGED_RESOURCES
dumpInfo()64     void dumpInfo() const override {
65         SkDebugf("GrVkSamplerYcbcrConversion: %" PRIdPTR " (%d refs)\n", (intptr_t)fYcbcrConversion,
66                  this->getRefCnt());
67     }
68 #endif
69 
70 private:
GrVkSamplerYcbcrConversion(const GrVkGpu * gpu,VkSamplerYcbcrConversion ycbcrConversion,Key key)71     GrVkSamplerYcbcrConversion(const GrVkGpu* gpu, VkSamplerYcbcrConversion ycbcrConversion,
72                                Key key)
73             : INHERITED(gpu)
74             , fYcbcrConversion(ycbcrConversion)
75             , fKey(key) {}
76 
77     void freeGPUData() const override;
78 
79     VkSamplerYcbcrConversion fYcbcrConversion;
80     Key                      fKey;
81 
82     using INHERITED = GrVkManagedResource;
83 };
84 
85 #endif
86 
87