Home | History | Annotate | Download | only in flags 
      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 or "angle-gl"
     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
     35     virtual const SkCommandLineConfigGpu* asConfigGpu() const { return nullptr; }
     36 #endif
     37     const SkString& getTag() const { return fTag; }
     38     const SkString& getBackend() const { return fBackend; }
     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 "msaa16" representing "gpu(samples=16)")
     51 class SkCommandLineConfigGpu : public SkCommandLineConfig {
     52   public:
     53     typedef GrContextFactory::GLContextType ContextType;
     54     SkCommandLineConfigGpu(const SkString& tag, const SkTArray<SkString>& viaParts,
     55                            ContextType contextType, bool useNVPR, bool useDIText, int samples);
     56     const SkCommandLineConfigGpu* asConfigGpu() const override { return this; }
     57     ContextType getContextType() const { return fContextType; }
     58     bool getUseNVPR() const { return fUseNVPR; }
     59     bool getUseDIText() const { return fUseDIText; }
     60     int getSamples() const { return fSamples; }
     61 
     62   private:
     63     ContextType fContextType;
     64     bool fUseNVPR;
     65     bool fUseDIText;
     66     int fSamples;
     67 };
     68 #endif
     69 
     70 typedef SkTArray<SkAutoTDelete<SkCommandLineConfig>, true> SkCommandLineConfigArray;
     71 void ParseConfigs(const SkCommandLineFlags::StringArray& configList,
     72                   SkCommandLineConfigArray* outResult);
     73 
     74 #endif
     75