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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 #include "SkColorSpacePriv.h"
9 #include "SkCommonFlagsConfig.h"
10 #include "SkImageInfo.h"
11 #include "SkTHash.h"
12 
13 #include <stdlib.h>
14 
15 using sk_gpu_test::GrContextFactory;
16 
17 #if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_IOS)
18 #    define DEFAULT_GPU_CONFIG "gles"
19 #else
20 #    define DEFAULT_GPU_CONFIG "gl"
21 #endif
22 
23 static const char defaultConfigs[] =
24     "8888 " DEFAULT_GPU_CONFIG " nonrendering "
25 #if defined(SK_BUILD_FOR_WIN)
26     " angle_d3d11_es2"
27 #endif
28     ;
29 
30 #undef DEFAULT_GPU_CONFIG
31 
32 // clang-format off
33 static const struct {
34     const char* predefinedConfig;
35     const char* backend;
36     const char* options;
37 } gPredefinedConfigs[] = {
38     { "gl",                    "gpu", "api=gl" },
39     { "gles",                  "gpu", "api=gles" },
40     { "glmsaa4",               "gpu", "api=gl,samples=4" },
41     { "glmsaa8" ,              "gpu", "api=gl,samples=8" },
42     { "glesmsaa4",             "gpu", "api=gles,samples=4" },
43     { "glnvpr4",               "gpu", "api=gl,nvpr=true,samples=4" },
44     { "glnvpr8" ,              "gpu", "api=gl,nvpr=true,samples=8" },
45     { "glesnvpr4",             "gpu", "api=gles,nvpr=true,samples=4" },
46     { "glbetex",               "gpu", "api=gl,surf=betex" },
47     { "glesbetex",             "gpu", "api=gles,surf=betex" },
48     { "glbert",                "gpu", "api=gl,surf=bert" },
49     { "glesbert",              "gpu", "api=gles,surf=bert" },
50     { "gl4444",                "gpu", "api=gl,color=4444" },
51     { "gles4444",              "gpu", "api=gles,color=4444" },
52     { "gl565",                 "gpu", "api=gl,color=565" },
53     { "gl888x",                "gpu", "api=gl,color=888x" },
54     { "gles888x",              "gpu", "api=gles,color=888x" },
55     { "gl1010102",             "gpu", "api=gl,color=1010102" },
56     { "gles1010102",           "gpu", "api=gles,color=1010102" },
57     { "glsrgb",                "gpu", "api=gl,color=srgb" },
58     { "glp3",                  "gpu", "api=gl,color=p3" },
59     { "glesrgb",               "gpu", "api=gl,color=esrgb" },
60     { "glnarrow",              "gpu", "api=gl,color=narrow" },
61     { "glenarrow",             "gpu", "api=gl,color=enarrow" },
62     { "glf16",                 "gpu", "api=gl,color=f16" },
63     { "glf16norm",             "gpu", "api=gl,color=f16norm" },
64     { "glessrgb",              "gpu", "api=gles,color=srgb" },
65     { "glesesrgb",             "gpu", "api=gles,color=esrgb" },
66     { "glesnarrow",            "gpu", "api=gles,color=narrow" },
67     { "glesenarrow",           "gpu", "api=gles,color=enarrow" },
68     { "glesf16",               "gpu", "api=gles,color=f16" },
69     { "glnostencils",          "gpu", "api=gl,stencils=false" },
70     { "gldft",                 "gpu", "api=gl,dit=true" },
71     { "glesdft",               "gpu", "api=gles,dit=true" },
72     { "gltestthreading",       "gpu", "api=gl,testThreading=true" },
73     { "gltestpersistentcache", "gpu", "api=gl,testPersistentCache=true" },
74     { "nullgl",                "gpu", "api=nullgl" },
75     { "angle_d3d11_es2",       "gpu", "api=angle_d3d11_es2" },
76     { "angle_d3d11_es3",       "gpu", "api=angle_d3d11_es3" },
77     { "angle_d3d9_es2",        "gpu", "api=angle_d3d9_es2" },
78     { "angle_d3d11_es2_msaa4", "gpu", "api=angle_d3d11_es2,samples=4" },
79     { "angle_d3d11_es2_msaa8", "gpu", "api=angle_d3d11_es2,samples=8" },
80     { "angle_d3d11_es3_msaa4", "gpu", "api=angle_d3d11_es3,samples=4" },
81     { "angle_d3d11_es3_msaa8", "gpu", "api=angle_d3d11_es3,samples=8" },
82     { "angle_gl_es2",          "gpu", "api=angle_gl_es2" },
83     { "angle_gl_es3",          "gpu", "api=angle_gl_es3" },
84     { "angle_gl_es2_msaa8",    "gpu", "api=angle_gl_es2,samples=8" },
85     { "angle_gl_es3_msaa8",    "gpu", "api=angle_gl_es3,samples=8" },
86     { "commandbuffer",         "gpu", "api=commandbuffer" },
87     { "mock",                  "gpu", "api=mock" },
88 #ifdef SK_VULKAN
89     { "vk",                    "gpu", "api=vulkan" },
90     { "vknostencils",          "gpu", "api=vulkan,stencils=false" },
91     { "vk1010102",             "gpu", "api=vulkan,color=1010102" },
92     { "vksrgb",                "gpu", "api=vulkan,color=srgb" },
93     { "vkesrgb",               "gpu", "api=vulkan,color=esrgb" },
94     { "vknarrow",              "gpu", "api=vulkan,color=narrow" },
95     { "vkenarrow",             "gpu", "api=vulkan,color=enarrow" },
96     { "vkf16",                 "gpu", "api=vulkan,color=f16" },
97     { "vkmsaa4",               "gpu", "api=vulkan,samples=4" },
98     { "vkmsaa8",               "gpu", "api=vulkan,samples=8" },
99     { "vkbetex",               "gpu", "api=vulkan,surf=betex" },
100     { "vkbert",                "gpu", "api=vulkan,surf=bert" },
101     { "vktestpersistentcache", "gpu", "api=vulkan,testPersistentCache=true" },
102 #endif
103 #ifdef SK_METAL
104     { "mtl",                   "gpu", "api=metal" },
105     { "mtl1010102",            "gpu", "api=metal,color=1010102" },
106     { "mtlmsaa4",              "gpu", "api=metal,samples=4" },
107     { "mtlmsaa8",              "gpu", "api=metal,samples=8" },
108 #endif
109 };
110 // clang-format on
111 
112 static const char configHelp[] =
113     "Options: 565 8888 srgb f16 nonrendering null pdf pdfa skp pipe svg xps";
114 
config_help_fn()115 static const char* config_help_fn() {
116     static SkString helpString;
117     helpString.set(configHelp);
118     for (const auto& config : gPredefinedConfigs) {
119         helpString.appendf(" %s", config.predefinedConfig);
120     }
121     helpString.append(" or use extended form 'backend[option=value,...]'.\n");
122     return helpString.c_str();
123 }
124 
125 static const char configExtendedHelp[] =
126         "Extended form: 'backend(option=value,...)'\n\n"
127         "Possible backends and options:\n"
128         "\n"
129         "gpu[api=string,color=string,dit=bool,nvpr=bool,inst=bool,samples=int]\n"
130         "\tapi\ttype: string\trequired\n"
131         "\t    Select graphics API to use with gpu backend.\n"
132         "\t    Options:\n"
133         "\t\tgl    \t\t\tUse OpenGL.\n"
134         "\t\tgles  \t\t\tUse OpenGL ES.\n"
135         "\t\tnullgl \t\t\tUse null OpenGL.\n"
136         "\t\tangle_d3d9_es2\t\tUse OpenGL ES2 on the ANGLE Direct3D9 backend.\n"
137         "\t\tangle_d3d11_es2\t\tUse OpenGL ES2 on the ANGLE Direct3D11 backend.\n"
138         "\t\tangle_d3d11_es3\t\tUse OpenGL ES3 on the ANGLE Direct3D11 backend.\n"
139         "\t\tangle_gl_es2\t\tUse OpenGL ES2 on the ANGLE OpenGL backend.\n"
140         "\t\tangle_gl_es3\t\tUse OpenGL ES3 on the ANGLE OpenGL backend.\n"
141         "\t\tcommandbuffer\t\tUse command buffer.\n"
142         "\t\tmock\t\t\tUse mock context.\n"
143 #ifdef SK_VULKAN
144         "\t\tvulkan\t\t\tUse Vulkan.\n"
145 #endif
146 #ifdef SK_METAL
147         "\t\tmetal\t\t\tUse Metal.\n"
148 #endif
149         "\tcolor\ttype: string\tdefault: 8888.\n"
150         "\t    Select framebuffer color format.\n"
151         "\t    Options:\n"
152         "\t\t8888\t\t\tLinear 8888.\n"
153         "\t\t888x\t\t\tLinear 888x.\n"
154         "\t\t4444\t\t\tLinear 4444.\n"
155         "\t\t565\t\t\tLinear 565.\n"
156         "\t\t1010102\t\t\tLinear 1010102.\n"
157         "\t\tsrgb\t\t\tsRGB 8888.\n"
158         "\t\tesrgb\t\t\tsRGB 16-bit floating point.\n"
159         "\t\tnarrow\t\t\tNarrow gamut 8888.\n"
160         "\t\tenarrow\t\t\tNarrow gamut 16-bit floating point.\n"
161         "\t\tf16\t\t\tLinearly blended 16-bit floating point.\n"
162         "\tdit\ttype: bool\tdefault: false.\n"
163         "\t    Use device independent text.\n"
164         "\tnvpr\ttype: bool\tdefault: false.\n"
165         "\t    Use NV_path_rendering OpenGL and OpenGL ES extension.\n"
166         "\tsamples\ttype: int\tdefault: 0.\n"
167         "\t    Use multisampling with N samples.\n"
168         "\tstencils\ttype: bool\tdefault: true.\n"
169         "\t    Allow the use of stencil buffers.\n"
170         "\ttestThreading\ttype: bool\tdefault: false.\n"
171         "\t    Run with and without worker threads, check that results match.\n"
172         "\ttestPersistentCache\ttype: bool\tdefault: false.\n"
173         "\t    Run using a pre-warmed GrContextOption::fPersistentCache.\n"
174         "\tsurf\ttype: string\tdefault: default.\n"
175         "\t    Controls the type of backing store for SkSurfaces.\n"
176         "\t    Options:\n"
177         "\t\tdefault\t\t\tA renderable texture created in Skia's resource cache.\n"
178         "\t\tbetex\t\t\tA wrapped backend texture.\n"
179         "\t\tbert\t\t\tA wrapped backend render target\n"
180         "\n"
181         "Predefined configs:\n\n"
182         // Help text for pre-defined configs is auto-generated from gPredefinedConfigs
183         ;
184 
config_extended_help_fn()185 static const char* config_extended_help_fn() {
186     static SkString helpString;
187     helpString.set(configExtendedHelp);
188     for (const auto& config : gPredefinedConfigs) {
189         helpString.appendf("\t%-10s\t= gpu(%s)\n", config.predefinedConfig, config.options);
190     }
191     return helpString.c_str();
192 }
193 
194 DEFINE_extended_string(config, defaultConfigs, config_help_fn(), config_extended_help_fn());
195 
SkCommandLineConfig(const SkString & tag,const SkString & backend,const SkTArray<SkString> & viaParts)196 SkCommandLineConfig::SkCommandLineConfig(const SkString& tag, const SkString& backend,
197                                          const SkTArray<SkString>& viaParts)
198         : fTag(tag)
199         , fBackend(backend)
200         , fViaParts(viaParts) {
201 }
~SkCommandLineConfig()202 SkCommandLineConfig::~SkCommandLineConfig() {
203 }
204 
parse_option_int(const SkString & value,int * outInt)205 static bool parse_option_int(const SkString& value, int* outInt) {
206     if (value.isEmpty()) {
207         return false;
208     }
209     char* endptr = nullptr;
210     long intValue = strtol(value.c_str(), &endptr, 10);
211     if (*endptr != '\0') {
212         return false;
213     }
214     *outInt = static_cast<int>(intValue);
215     return true;
216 }
parse_option_bool(const SkString & value,bool * outBool)217 static bool parse_option_bool(const SkString& value, bool* outBool) {
218     if (value.equals("true")) {
219         *outBool = true;
220         return true;
221     }
222     if (value.equals("false")) {
223         *outBool = false;
224         return true;
225     }
226     return false;
227 }
parse_option_gpu_api(const SkString & value,SkCommandLineConfigGpu::ContextType * outContextType)228 static bool parse_option_gpu_api(const SkString& value,
229                                  SkCommandLineConfigGpu::ContextType* outContextType) {
230     if (value.equals("gl")) {
231         *outContextType = GrContextFactory::kGL_ContextType;
232         return true;
233     }
234     if (value.equals("gles")) {
235         *outContextType = GrContextFactory::kGLES_ContextType;
236         return true;
237     }
238     if (value.equals("nullgl")) {
239         *outContextType = GrContextFactory::kNullGL_ContextType;
240         return true;
241     }
242     if (value.equals("angle_d3d9_es2")) {
243         *outContextType = GrContextFactory::kANGLE_D3D9_ES2_ContextType;
244         return true;
245     }
246     if (value.equals("angle_d3d11_es2")) {
247         *outContextType = GrContextFactory::kANGLE_D3D11_ES2_ContextType;
248         return true;
249     }
250     if (value.equals("angle_d3d11_es3")) {
251         *outContextType = GrContextFactory::kANGLE_D3D11_ES3_ContextType;
252         return true;
253     }
254     if (value.equals("angle_gl_es2")) {
255         *outContextType = GrContextFactory::kANGLE_GL_ES2_ContextType;
256         return true;
257     }
258     if (value.equals("angle_gl_es3")) {
259         *outContextType = GrContextFactory::kANGLE_GL_ES3_ContextType;
260         return true;
261     }
262     if (value.equals("commandbuffer")) {
263         *outContextType = GrContextFactory::kCommandBuffer_ContextType;
264         return true;
265     }
266     if (value.equals("mock")) {
267         *outContextType = GrContextFactory::kMock_ContextType;
268         return true;
269     }
270 #ifdef SK_VULKAN
271     if (value.equals("vulkan")) {
272         *outContextType = GrContextFactory::kVulkan_ContextType;
273         return true;
274     }
275 #endif
276 #ifdef SK_METAL
277     if (value.equals("metal")) {
278         *outContextType = GrContextFactory::kMetal_ContextType;
279         return true;
280     }
281 #endif
282     return false;
283 }
284 
parse_option_gpu_color(const SkString & value,SkColorType * outColorType,SkAlphaType * alphaType,sk_sp<SkColorSpace> * outColorSpace)285 static bool parse_option_gpu_color(const SkString& value,
286                                    SkColorType* outColorType,
287                                    SkAlphaType* alphaType,
288                                    sk_sp<SkColorSpace>* outColorSpace) {
289     // We always use premul unless the color type is 565.
290     *alphaType = kPremul_SkAlphaType;
291 
292     if (value.equals("8888")) {
293         *outColorType = kRGBA_8888_SkColorType;
294         *outColorSpace = nullptr;
295     } else if (value.equals("888x")) {
296         *outColorType = kRGB_888x_SkColorType;
297         *outColorSpace = nullptr;
298     } else if (value.equals("4444")) {
299         *outColorType = kARGB_4444_SkColorType;
300         *outColorSpace = nullptr;
301     } else if (value.equals("565")) {
302         *outColorType = kRGB_565_SkColorType;
303         *alphaType = kOpaque_SkAlphaType;
304         *outColorSpace = nullptr;
305     } else if (value.equals("1010102")) {
306         *outColorType = kRGBA_1010102_SkColorType;
307         *outColorSpace = nullptr;
308     } else if (value.equals("srgb")) {
309         *outColorType = kRGBA_8888_SkColorType;
310         *outColorSpace = SkColorSpace::MakeSRGB();
311     } else if (value.equals("p3")) {
312         *outColorType = kRGBA_8888_SkColorType;
313         *outColorSpace = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDCIP3);
314     } else if (value.equals("esrgb")) {
315         *outColorType = kRGBA_F16_SkColorType;
316         *outColorSpace = SkColorSpace::MakeSRGB();
317     } else if (value.equals("narrow") || value.equals("enarrow")) {
318         *outColorType = value.equals("narrow") ? kRGBA_8888_SkColorType : kRGBA_F16_SkColorType;
319         *outColorSpace = SkColorSpace::MakeRGB(SkNamedTransferFn::k2Dot2, gNarrow_toXYZD50);
320     } else if (value.equals("f16")) {
321         *outColorType = kRGBA_F16_SkColorType;
322         *outColorSpace = SkColorSpace::MakeSRGBLinear();
323     } else if (value.equals("f16norm")) {
324         *outColorType = kRGBA_F16Norm_SkColorType;
325         *outColorSpace = SkColorSpace::MakeSRGB();
326     } else {
327         return false;
328     }
329     return true;
330 }
331 
parse_option_gpu_surf_type(const SkString & value,SkCommandLineConfigGpu::SurfType * surfType)332 static bool parse_option_gpu_surf_type(const SkString& value,
333                                        SkCommandLineConfigGpu::SurfType* surfType) {
334     if (value.equals("default")) {
335         *surfType = SkCommandLineConfigGpu::SurfType::kDefault;
336         return true;
337     }
338     if (value.equals("betex")) {
339         *surfType = SkCommandLineConfigGpu::SurfType::kBackendTexture;
340         return true;
341     }
342     if (value.equals("bert")) {
343         *surfType = SkCommandLineConfigGpu::SurfType::kBackendRenderTarget;
344         return true;
345     }
346     return false;
347 }
348 
349 // Extended options take form --config item[key1=value1,key2=value2,...]
350 // Example: --config gpu[api=gl,color=8888]
351 class ExtendedOptions {
352 public:
ExtendedOptions(const SkString & optionsString,bool * outParseSucceeded)353     ExtendedOptions(const SkString& optionsString, bool* outParseSucceeded) {
354         SkTArray<SkString> optionParts;
355         SkStrSplit(optionsString.c_str(), ",", kStrict_SkStrSplitMode, &optionParts);
356         for (int i = 0; i < optionParts.count(); ++i) {
357             SkTArray<SkString> keyValueParts;
358             SkStrSplit(optionParts[i].c_str(), "=", kStrict_SkStrSplitMode, &keyValueParts);
359             if (keyValueParts.count() != 2) {
360                 *outParseSucceeded = false;
361                 return;
362             }
363             const SkString& key = keyValueParts[0];
364             const SkString& value = keyValueParts[1];
365             if (fOptionsMap.find(key) == nullptr) {
366                 fOptionsMap.set(key, value);
367             } else {
368                 // Duplicate values are not allowed.
369                 *outParseSucceeded = false;
370                 return;
371             }
372         }
373         *outParseSucceeded = true;
374     }
375 
get_option_gpu_color(const char * optionKey,SkColorType * outColorType,SkAlphaType * alphaType,sk_sp<SkColorSpace> * outColorSpace,bool optional=true) const376     bool get_option_gpu_color(const char* optionKey,
377                               SkColorType* outColorType,
378                               SkAlphaType* alphaType,
379                               sk_sp<SkColorSpace>* outColorSpace,
380                               bool optional = true) const {
381         SkString* optionValue = fOptionsMap.find(SkString(optionKey));
382         if (optionValue == nullptr) {
383             return optional;
384         }
385         return parse_option_gpu_color(*optionValue, outColorType, alphaType, outColorSpace);
386     }
387 
get_option_gpu_api(const char * optionKey,SkCommandLineConfigGpu::ContextType * outContextType,bool optional=true) const388     bool get_option_gpu_api(const char* optionKey,
389                             SkCommandLineConfigGpu::ContextType* outContextType,
390                             bool optional = true) const {
391         SkString* optionValue = fOptionsMap.find(SkString(optionKey));
392         if (optionValue == nullptr) {
393             return optional;
394         }
395         return parse_option_gpu_api(*optionValue, outContextType);
396     }
397 
get_option_gpu_surf_type(const char * optionKey,SkCommandLineConfigGpu::SurfType * outSurfType,bool optional=true) const398     bool get_option_gpu_surf_type(const char* optionKey,
399                                   SkCommandLineConfigGpu::SurfType* outSurfType,
400                                   bool optional = true) const {
401         SkString* optionValue = fOptionsMap.find(SkString(optionKey));
402         if (optionValue == nullptr) {
403             return optional;
404         }
405         return parse_option_gpu_surf_type(*optionValue, outSurfType);
406     }
407 
get_option_int(const char * optionKey,int * outInt,bool optional=true) const408     bool get_option_int(const char* optionKey, int* outInt, bool optional = true) const {
409         SkString* optionValue = fOptionsMap.find(SkString(optionKey));
410         if (optionValue == nullptr) {
411             return optional;
412         }
413         return parse_option_int(*optionValue, outInt);
414     }
415 
get_option_bool(const char * optionKey,bool * outBool,bool optional=true) const416     bool get_option_bool(const char* optionKey, bool* outBool, bool optional = true) const {
417         SkString* optionValue = fOptionsMap.find(SkString(optionKey));
418         if (optionValue == nullptr) {
419             return optional;
420         }
421         return parse_option_bool(*optionValue, outBool);
422     }
423 
424 private:
425     SkTHashMap<SkString, SkString> fOptionsMap;
426 };
427 
SkCommandLineConfigGpu(const SkString & tag,const SkTArray<SkString> & viaParts,ContextType contextType,bool useNVPR,bool useDIText,int samples,SkColorType colorType,SkAlphaType alphaType,sk_sp<SkColorSpace> colorSpace,bool useStencilBuffers,bool testThreading,bool testPersistentCache,SurfType surfType)428 SkCommandLineConfigGpu::SkCommandLineConfigGpu(
429         const SkString& tag, const SkTArray<SkString>& viaParts, ContextType contextType,
430         bool useNVPR, bool useDIText, int samples, SkColorType colorType, SkAlphaType alphaType,
431         sk_sp<SkColorSpace> colorSpace, bool useStencilBuffers, bool testThreading,
432         bool testPersistentCache, SurfType surfType)
433         : SkCommandLineConfig(tag, SkString("gpu"), viaParts)
434         , fContextType(contextType)
435         , fContextOverrides(ContextOverrides::kNone)
436         , fUseDIText(useDIText)
437         , fSamples(samples)
438         , fColorType(colorType)
439         , fAlphaType(alphaType)
440         , fColorSpace(std::move(colorSpace))
441         , fTestThreading(testThreading)
442         , fTestPersistentCache(testPersistentCache)
443         , fSurfType(surfType) {
444     if (useNVPR) {
445         fContextOverrides |= ContextOverrides::kRequireNVPRSupport;
446     } else {
447         // We don't disable NVPR for instanced configs. Otherwise the caps wouldn't use mixed
448         // samples and we couldn't test the mixed samples backend for simple shapes.
449         fContextOverrides |= ContextOverrides::kDisableNVPR;
450     }
451     if (!useStencilBuffers) {
452         fContextOverrides |= ContextOverrides::kAvoidStencilBuffers;
453     }
454 }
455 
parse_command_line_config_gpu(const SkString & tag,const SkTArray<SkString> & vias,const SkString & options)456 SkCommandLineConfigGpu* parse_command_line_config_gpu(const SkString& tag,
457                                                       const SkTArray<SkString>& vias,
458                                                       const SkString& options) {
459     // Defaults for GPU backend.
460     SkCommandLineConfigGpu::ContextType contextType = GrContextFactory::kGL_ContextType;
461     bool useNVPR = false;
462     bool useDIText = false;
463     int samples = 1;
464     SkColorType colorType = kRGBA_8888_SkColorType;
465     SkAlphaType alphaType = kPremul_SkAlphaType;
466     sk_sp<SkColorSpace> colorSpace = nullptr;
467     bool useStencils = true;
468     bool testThreading = false;
469     bool testPersistentCache = false;
470     SkCommandLineConfigGpu::SurfType surfType = SkCommandLineConfigGpu::SurfType::kDefault;
471 
472     bool parseSucceeded = false;
473     ExtendedOptions extendedOptions(options, &parseSucceeded);
474     if (!parseSucceeded) {
475         return nullptr;
476     }
477 
478     bool validOptions =
479             extendedOptions.get_option_gpu_api("api", &contextType, false) &&
480             extendedOptions.get_option_bool("nvpr", &useNVPR) &&
481             extendedOptions.get_option_bool("dit", &useDIText) &&
482             extendedOptions.get_option_int("samples", &samples) &&
483             extendedOptions.get_option_gpu_color("color", &colorType, &alphaType, &colorSpace) &&
484             extendedOptions.get_option_bool("stencils", &useStencils) &&
485             extendedOptions.get_option_bool("testThreading", &testThreading) &&
486             extendedOptions.get_option_bool("testPersistentCache", &testPersistentCache) &&
487             extendedOptions.get_option_gpu_surf_type("surf", &surfType);
488 
489     // testing threading and the persistent cache are mutually exclusive.
490     if (!validOptions || (testThreading && testPersistentCache)) {
491         return nullptr;
492     }
493 
494     return new SkCommandLineConfigGpu(tag, vias, contextType, useNVPR, useDIText, samples,
495                                       colorType, alphaType, colorSpace, useStencils, testThreading,
496                                       testPersistentCache, surfType);
497 }
498 
SkCommandLineConfigSvg(const SkString & tag,const SkTArray<SkString> & viaParts,int pageIndex)499 SkCommandLineConfigSvg::SkCommandLineConfigSvg(const SkString& tag,
500                                                const SkTArray<SkString>& viaParts, int pageIndex)
501         : SkCommandLineConfig(tag, SkString("svg"), viaParts), fPageIndex(pageIndex) {}
502 
parse_command_line_config_svg(const SkString & tag,const SkTArray<SkString> & vias,const SkString & options)503 SkCommandLineConfigSvg* parse_command_line_config_svg(const SkString& tag,
504                                                       const SkTArray<SkString>& vias,
505                                                       const SkString& options) {
506     // Defaults for SVG backend.
507     int pageIndex = 0;
508 
509     bool parseSucceeded = false;
510     ExtendedOptions extendedOptions(options, &parseSucceeded);
511     if (!parseSucceeded) {
512         return nullptr;
513     }
514 
515     bool validOptions = extendedOptions.get_option_int("page", &pageIndex);
516 
517     if (!validOptions) {
518         return nullptr;
519     }
520 
521     return new SkCommandLineConfigSvg(tag, vias, pageIndex);
522 }
523 
ParseConfigs(const SkCommandLineFlags::StringArray & configs,SkCommandLineConfigArray * outResult)524 void ParseConfigs(const SkCommandLineFlags::StringArray& configs,
525                   SkCommandLineConfigArray* outResult) {
526     outResult->reset();
527     for (int i = 0; i < configs.count(); ++i) {
528         SkString extendedBackend;
529         SkString extendedOptions;
530         SkString simpleBackend;
531         SkTArray<SkString> vias;
532 
533         SkString tag(configs[i]);
534         SkTArray<SkString> parts;
535         SkStrSplit(tag.c_str(), "[", kStrict_SkStrSplitMode, &parts);
536         if (parts.count() == 2) {
537             SkTArray<SkString> parts2;
538             SkStrSplit(parts[1].c_str(), "]", kStrict_SkStrSplitMode, &parts2);
539             if (parts2.count() == 2 && parts2[1].isEmpty()) {
540                 SkStrSplit(parts[0].c_str(), "-", kStrict_SkStrSplitMode, &vias);
541                 if (vias.count()) {
542                     extendedBackend = vias[vias.count() - 1];
543                     vias.pop_back();
544                 } else {
545                     extendedBackend = parts[0];
546                 }
547                 extendedOptions = parts2[0];
548                 simpleBackend.printf("%s[%s]", extendedBackend.c_str(), extendedOptions.c_str());
549             }
550         }
551 
552         if (extendedBackend.isEmpty()) {
553             simpleBackend = tag;
554             SkStrSplit(tag.c_str(), "-", kStrict_SkStrSplitMode, &vias);
555             if (vias.count()) {
556                 simpleBackend = vias[vias.count() - 1];
557                 vias.pop_back();
558             }
559             for (auto& predefinedConfig : gPredefinedConfigs) {
560                 if (simpleBackend.equals(predefinedConfig.predefinedConfig)) {
561                     extendedBackend = predefinedConfig.backend;
562                     extendedOptions = predefinedConfig.options;
563                     break;
564                 }
565             }
566         }
567         SkCommandLineConfig* parsedConfig = nullptr;
568         if (extendedBackend.equals("gpu")) {
569             parsedConfig = parse_command_line_config_gpu(tag, vias, extendedOptions);
570         }
571         if (extendedBackend.equals("svg")) {
572             parsedConfig = parse_command_line_config_svg(tag, vias, extendedOptions);
573         }
574         if (!parsedConfig) {
575             parsedConfig = new SkCommandLineConfig(tag, simpleBackend, vias);
576         }
577         outResult->emplace_back(parsedConfig);
578     }
579 }
580