xref: /aosp_15_r20/external/skia/src/sksl/SkSLIntrinsicList.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
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 #include "src/base/SkNoDestructor.h"
9 #include "src/base/SkStringView.h"
10 #include "src/sksl/SkSLIntrinsicList.h"
11 
12 using namespace skia_private;
13 
14 namespace SkSL {
15 
GetIntrinsicMap()16 const IntrinsicMap& GetIntrinsicMap() {
17     #define SKSL_INTRINSIC(name) {#name, k_##name##_IntrinsicKind},
18     static const SkNoDestructor<IntrinsicMap> kAllIntrinsics(IntrinsicMap{
19         SKSL_INTRINSIC_LIST
20     });
21     #undef SKSL_INTRINSIC
22 
23     return *kAllIntrinsics;
24 }
25 
FindIntrinsicKind(std::string_view functionName)26 IntrinsicKind FindIntrinsicKind(std::string_view functionName) {
27     if (skstd::starts_with(functionName, '$')) {
28         functionName.remove_prefix(1);
29     }
30 
31     const IntrinsicMap& intrinsicMap = GetIntrinsicMap();
32     IntrinsicKind* kind = intrinsicMap.find(functionName);
33     return kind ? *kind : kNotIntrinsic;
34 }
35 
36 }  // namespace SkSL
37