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1 /* | |
2 * Copyright 2012 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 "GrTypes.h" | |
9 #include "SkThread.h" // for sk_atomic_inc | |
10 | |
11 // Well, the dummy_ "fix" caused a warning on windows, so hiding all of it | |
12 // until we can find a universal fix. | |
13 #if 0 | |
14 // This used to be a global scope, but we got a warning about unused variable | |
15 // so we moved it into here. We just want it to compile, so we can test the | |
16 // static asserts. | |
17 static inline void dummy_function_to_avoid_unused_var_warning() { | |
18 GrCacheID::Key kAssertKey; | |
19 GR_STATIC_ASSERT(sizeof(kAssertKey.fData8) == sizeof(kAssertKey.fData32)); | |
20 GR_STATIC_ASSERT(sizeof(kAssertKey.fData8) == sizeof(kAssertKey.fData64)); | |
21 GR_STATIC_ASSERT(sizeof(kAssertKey.fData8) == sizeof(kAssertKey)); | |
22 } | |
23 #endif | |
24 | |
25 GrCacheID::Domain GrCacheID::GenerateDomain() { | |
26 static int32_t gNextDomain = kInvalid_Domain + 1; | |
27 | |
28 int32_t domain = sk_atomic_inc(&gNextDomain); | |
29 if (domain >= 1 << (8 * sizeof(Domain))) { | |
30 SkFAIL("Too many Cache Domains"); | |
31 } | |
32 | |
33 return static_cast<Domain>(domain); | |
34 } | |
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