xref: /aosp_15_r20/external/skia/src/gpu/GpuTypesPriv.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2023 Google LLC
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 skgpu_GpuTypesPriv_DEFINED
9 #define skgpu_GpuTypesPriv_DEFINED
10 
11 #include "include/core/SkColorType.h"
12 #include "include/core/SkTextureCompressionType.h"
13 #include "include/gpu/GpuTypes.h"
14 #include "include/private/base/SkAssert.h"
15 #include "include/private/base/SkMacros.h"
16 
17 #include <chrono>
18 
19 namespace skgpu {
20 
21 enum class ThreadSafe : bool {
22     kNo = false,
23     kYes = true,
24 };
25 
26 // The old libstdc++ uses the draft name "monotonic_clock" rather than "steady_clock". This might
27 // not actually be monotonic, depending on how libstdc++ was built. However, this is only currently
28 // used for idle resource purging so it shouldn't cause a correctness problem.
29 #if defined(__GLIBCXX__) && (__GLIBCXX__ < 20130000)
30 using StdSteadyClock = std::chrono::monotonic_clock;
31 #else
32 using StdSteadyClock = std::chrono::steady_clock;
33 #endif
34 
35 // In general we try to not mix CompressionType and ColorType, but currently SkImage still requires
36 // an SkColorType even for CompressedTypes so we need some conversion.
CompressionTypeToSkColorType(SkTextureCompressionType compression)37 static constexpr SkColorType CompressionTypeToSkColorType(SkTextureCompressionType compression) {
38     switch (compression) {
39         case SkTextureCompressionType::kNone:            return kUnknown_SkColorType;
40         case SkTextureCompressionType::kETC2_RGB8_UNORM: return kRGB_888x_SkColorType;
41         case SkTextureCompressionType::kBC1_RGB8_UNORM:  return kRGB_888x_SkColorType;
42         case SkTextureCompressionType::kBC1_RGBA8_UNORM: return kRGBA_8888_SkColorType;
43     }
44 
45     SkUNREACHABLE;
46 }
47 
CompressionTypeToStr(SkTextureCompressionType compression)48 static constexpr const char* CompressionTypeToStr(SkTextureCompressionType compression) {
49     switch (compression) {
50         case SkTextureCompressionType::kNone:            return "kNone";
51         case SkTextureCompressionType::kETC2_RGB8_UNORM: return "kETC2_RGB8_UNORM";
52         case SkTextureCompressionType::kBC1_RGB8_UNORM:  return "kBC1_RGB8_UNORM";
53         case SkTextureCompressionType::kBC1_RGBA8_UNORM: return "kBC1_RGBA8_UNORM";
54     }
55     SkUNREACHABLE;
56 }
57 
BackendApiToStr(BackendApi backend)58 static constexpr const char* BackendApiToStr(BackendApi backend) {
59     switch (backend) {
60         case BackendApi::kDawn:        return "kDawn";
61         case BackendApi::kMetal:       return "kMetal";
62         case BackendApi::kVulkan:      return "kVulkan";
63         case BackendApi::kMock:        return "kMock";
64         case BackendApi::kUnsupported: return "kUnsupported";
65     }
66     SkUNREACHABLE;
67 }
68 
69 SK_MAKE_BITFIELD_CLASS_OPS(GpuStatsFlags)
70 
71 } // namespace skgpu
72 
73 #endif // skgpu_GpuTypesPriv_DEFINED
74