1 /*
2  * Copyright 2015 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 SK_COMMON_FLAGS_CONFIG_H
9 #define SK_COMMON_FLAGS_CONFIG_H
10 
11 #include "SkCommandLineFlags.h"
12 
13 #if SK_SUPPORT_GPU
14 #include "GrContextFactory.h"
15 #endif
16 
17 DECLARE_string(config);
18 
19 #if SK_SUPPORT_GPU
20 class SkCommandLineConfigGpu;
21 #endif
22 
23 // SkCommandLineConfig represents a Skia rendering configuration string.
24 // The string has following form:
25 // tag:
26 //   [via-]*backend
27 // where 'backend' consists of chars excluding hyphen
28 // and each 'via' consists of chars excluding hyphen.
29 class SkCommandLineConfig {
30   public:
31     SkCommandLineConfig(const SkString& tag, const SkString& backend,
32                         const SkTArray<SkString>& viaParts);
33     virtual ~SkCommandLineConfig();
34 #if SK_SUPPORT_GPU
asConfigGpu()35     virtual const SkCommandLineConfigGpu* asConfigGpu() const { return nullptr; }
36 #endif
getTag()37     const SkString& getTag() const { return fTag; }
getBackend()38     const SkString& getBackend() const { return fBackend; }
getViaParts()39     const SkTArray<SkString>& getViaParts() const { return fViaParts; }
40   private:
41     SkString fTag;
42     SkString fBackend;
43     SkTArray<SkString> fViaParts;
44 };
45 
46 #if SK_SUPPORT_GPU
47 // SkCommandLineConfigGpu is a SkCommandLineConfig that extracts information out of the backend
48 // part of the tag. It is constructed tags that have:
49 // * backends of form "gpu[option=value,option2=value,...]"
50 // * backends that represent a shorthand of above (such as "glmsaa16" representing
51 // "gpu(api=gl,samples=16)")
52 class SkCommandLineConfigGpu : public SkCommandLineConfig {
53   public:
54     typedef sk_gpu_test::GrContextFactory::ContextType ContextType;
55     typedef sk_gpu_test::GrContextFactory::ContextOverrides ContextOverrides;
56     SkCommandLineConfigGpu(const SkString& tag, const SkTArray<SkString>& viaParts,
57                            ContextType contextType, bool useNVPR, bool useInstanced, bool useDIText,
58                            int samples, SkColorType colorType, sk_sp<SkColorSpace> colorSpace);
asConfigGpu()59     const SkCommandLineConfigGpu* asConfigGpu() const override { return this; }
getContextType()60     ContextType getContextType() const { return fContextType; }
getContextOverrides()61     ContextOverrides getContextOverrides() const { return fContextOverrides; }
getUseNVPR()62     bool getUseNVPR() const {
63         SkASSERT(!(fContextOverrides & ContextOverrides::kRequireNVPRSupport) ||
64                  !(fContextOverrides & ContextOverrides::kDisableNVPR));
65         return fContextOverrides & ContextOverrides::kRequireNVPRSupport;
66     }
getUseInstanced()67     bool getUseInstanced() const { return fContextOverrides & ContextOverrides::kUseInstanced; }
getUseDIText()68     bool getUseDIText() const { return fUseDIText; }
getSamples()69     int getSamples() const { return fSamples; }
getColorType()70     SkColorType getColorType() const { return fColorType; }
getColorSpace()71     SkColorSpace* getColorSpace() const { return fColorSpace.get(); }
72 
73   private:
74     ContextType fContextType;
75     ContextOverrides fContextOverrides;
76     bool fUseDIText;
77     int fSamples;
78     SkColorType fColorType;
79     sk_sp<SkColorSpace> fColorSpace;
80 };
81 #endif
82 
83 typedef SkTArray<std::unique_ptr<SkCommandLineConfig>, true> SkCommandLineConfigArray;
84 void ParseConfigs(const SkCommandLineFlags::StringArray& configList,
85                   SkCommandLineConfigArray* outResult);
86 
87 #endif
88