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1 /*
2  * Copyright 2021 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_MtlTypes_DEFINED
9 #define skgpu_MtlTypes_DEFINED
10 
11 #include "include/ports/SkCFObject.h"
12 
13 ///////////////////////////////////////////////////////////////////////////////
14 
15 #ifdef __APPLE__
16 
17 #include <CoreFoundation/CoreFoundation.h>
18 #include <TargetConditionals.h>
19 
20 #if TARGET_OS_SIMULATOR
21 #define SK_API_AVAILABLE_CA_METAL_LAYER SK_API_AVAILABLE(macos(10.11), ios(13.0))
22 #else  // TARGET_OS_SIMULATOR
23 #define SK_API_AVAILABLE_CA_METAL_LAYER SK_API_AVAILABLE(macos(10.11), ios(8.0))
24 #endif  // TARGET_OS_SIMULATOR
25 
26 #endif // __APPLE__
27 
28 
29 namespace skgpu::mtl {
30 
31 /**
32  * Declares typedefs for Metal types used in Graphite cpp code
33  */
34 using PixelFormat = unsigned int;
35 using TextureUsage = unsigned int;
36 using StorageMode = unsigned int;
37 using Handle = const void*;
38 
39 struct TextureInfo {
40     uint32_t fSampleCount = 1;
41     uint32_t fLevelCount = 0;
42 
43     // Since we aren't in an Obj-C header we can't directly use Mtl types here. Each of these can
44     // cast to their mapped Mtl types list below.
45     PixelFormat fFormat = 0;       // MTLPixelFormat fFormat = MTLPixelFormatInvalid;
46     TextureUsage fUsage = 0;       // MTLTextureUsage fUsage = MTLTextureUsageUnknown;
47     StorageMode fStorageMode = 0;  // MTLStorageMode fStorageMode = MTLStorageModeShared;
48     bool fFramebufferOnly = false;
49 
50     TextureInfo() = default;
51     TextureInfo(Handle mtlTexture);
TextureInfoTextureInfo52     TextureInfo(uint32_t sampleCount,
53                 uint32_t levelCount,
54                 PixelFormat format,
55                 TextureUsage usage,
56                 StorageMode storageMode,
57                 bool framebufferOnly)
58             : fSampleCount(sampleCount)
59             , fLevelCount(levelCount)
60             , fFormat(format)
61             , fUsage(usage)
62             , fStorageMode(storageMode)
63             , fFramebufferOnly(framebufferOnly) {}
64 };
65 
66 } // namespace skgpu::mtl
67 
68 #endif // skgpu_MtlTypes_DEFINED
69