Add config options to run different GPU APIs to dm and nanobench

dm/DM.cpp

Index: dm/DM.cpp
diff --git a/dm/DM.cpp b/dm/DM.cpp
index c7e0934008f3b5a8b2d8dd982976d169b1c923e0..ac37aeb09fd06a9b98a80d673ab4a5abf73b0b22 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -15,6 +15,7 @@
 #include "SkChecksum.h"
 #include "SkCodec.h"
 #include "SkCommonFlags.h"
+#include "SkCommonFlagsConfig.h"
 #include "SkFontMgr.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
@@ -199,7 +200,7 @@ struct TaggedSrc : public SkAutoTDelete<Src> {
 };
 
 struct TaggedSink : public SkAutoTDelete<Sink> {
-    const char* tag;
+    SkString tag;
 };
 
 static const bool kMemcpyOK = true;
@@ -541,19 +542,9 @@ static void gather_srcs() {
     }
 }
 
-#if SK_SUPPORT_GPU
-static GrGLStandard get_gpu_api() {
-    if (FLAGS_gpuAPI.contains("gl"))   { return kGL_GrGLStandard; }
-    if (FLAGS_gpuAPI.contains("gles")) { return kGLES_GrGLStandard; }
-    return kNone_GrGLStandard;
-}
-#endif
-
-static void push_sink(const char* tag, Sink* s) {
+static void push_sink(const SkCommandLineConfig& config, Sink* s) {
     SkAutoTDelete<Sink> sink(s);
-    if (!FLAGS_config.contains(tag)) {
-        return;
-    }
+
     // Try a simple Src as a canary.  If it fails, skip this sink.
     struct : public Src {
         Error draw(SkCanvas* c) const override {
@@ -569,13 +560,13 @@ static void push_sink(const char* tag, Sink* s) {
     SkString log;
     Error err = sink->draw(justOneRect, &bitmap, &stream, &log);
     if (err.isFatal()) {
-        SkDebugf("Could not run %s: %s\n", tag, err.c_str());
+        SkDebugf("Could not run %s: %s\n", config.getTag().c_str(), err.c_str());
         exit(1);
     }
 
     TaggedSink& ts = gSinks.push_back();
     ts.reset(sink.detach());
-    ts.tag = tag;
+    ts.tag = config.getTag();
 }
 
 static bool gpu_supported() {
@@ -585,45 +576,32 @@ static bool gpu_supported() {
     return false;
 #endif
 }
-static Sink* create_gpu_sink(const char* tag, GrContextFactory::GLContextType contextType,
-                             GrContextFactory::GLContextOptions contextOptions, int samples,
-                             bool diText, bool threaded) {
+
+static Sink* create_sink(const SkCommandLineConfig* config) {
 #if SK_SUPPORT_GPU
-    GrContextFactory testFactory;
-    const GrGLStandard api = get_gpu_api();
-    if (testFactory.get(contextType, api, contextOptions)) {
-        return new GPUSink(contextType, contextOptions, api, samples, diText, threaded);
-    }
-    SkDebugf("WARNING: can not create GPU context for config '%s'. GM tests will be skipped.\n", tag);
-#endif
-    return nullptr;
-}
-static Sink* create_sink(const char* tag) {
-#define GPU_SINK(t, ...) if (0 == strcmp(t, tag)) { return create_gpu_sink(tag, __VA_ARGS__); }
     if (gpu_supported()) {
-        typedef GrContextFactory Gr;
-        GPU_SINK("gpunull",       Gr::kNull_GLContextType,          Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-        GPU_SINK("gpudebug",      Gr::kDebug_GLContextType,         Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-        GPU_SINK("gpu",           Gr::kNative_GLContextType,        Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-        GPU_SINK("gpudft",        Gr::kNative_GLContextType,        Gr::kNone_GLContextOptions,        0,  true, FLAGS_gpu_threading);
-        GPU_SINK("msaa4",         Gr::kNative_GLContextType,        Gr::kNone_GLContextOptions,        4, false, FLAGS_gpu_threading);
-        GPU_SINK("msaa16",        Gr::kNative_GLContextType,        Gr::kNone_GLContextOptions,       16, false, FLAGS_gpu_threading);
-        GPU_SINK("nvprmsaa4",     Gr::kNative_GLContextType,        Gr::kEnableNVPR_GLContextOptions,  4,  true, FLAGS_gpu_threading);
-        GPU_SINK("nvprmsaa16",    Gr::kNative_GLContextType,        Gr::kEnableNVPR_GLContextOptions, 16,  true, FLAGS_gpu_threading);
-#if SK_ANGLE
-        GPU_SINK("angle",         Gr::kANGLE_GLContextType,         Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-        GPU_SINK("angle-gl",      Gr::kANGLE_GL_GLContextType,      Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-#endif
-#if SK_COMMAND_BUFFER
-        GPU_SINK("commandbuffer", Gr::kCommandBuffer_GLContextType, Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-#endif
-#if SK_MESA
-        GPU_SINK("mesa",          Gr::kMESA_GLContextType,          Gr::kNone_GLContextOptions,        0, false, FLAGS_gpu_threading);
-#endif
+        if (const SkCommandLineConfigGpu* gpuConfig = config->asConfigGpu()) {
+            GrContextFactory::GLContextType contextType = gpuConfig->getContextType();
+            GrContextFactory::GLContextOptions contextOptions =
+                    GrContextFactory::kNone_GLContextOptions;
+            if (gpuConfig->getUseNVPR()) {
+                contextOptions = static_cast<GrContextFactory::GLContextOptions>(
+                    contextOptions | GrContextFactory::kEnableNVPR_GLContextOptions);
+            }
+            GrContextFactory testFactory;
+            if (!testFactory.get(contextType, contextOptions)) {
+                SkDebugf("WARNING: can not create GPU context for config '%s'. "
+                         "GM tests will be skipped.\n", gpuConfig->getTag().c_str());
+                return nullptr;
+            }
+            return new GPUSink(contextType, contextOptions, gpuConfig->getSamples(),
+                               gpuConfig->getUseDIText(), FLAGS_gpu_threading);
+        }
     }
-#undef GPU_SINK
+#endif
+
+#define SINK(t, sink, ...) if (config->getBackend().equals(t)) { return new sink(__VA_ARGS__); }
 
-#define SINK(t, sink, ...) if (0 == strcmp(t, tag)) { return new sink(__VA_ARGS__); }
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     SINK("hwui",           HWUISink);
 #endif
@@ -642,8 +620,8 @@ static Sink* create_sink(const char* tag) {
     return nullptr;
 }
 
-static Sink* create_via(const char* tag, Sink* wrapped) {
-#define VIA(t, via, ...) if (0 == strcmp(t, tag)) { return new via(__VA_ARGS__); }
+static Sink* create_via(const SkString& tag, Sink* wrapped) {
+#define VIA(t, via, ...) if (tag.equals(t)) { return new via(__VA_ARGS__); }
     VIA("twice",     ViaTwice,             wrapped);
     VIA("pipe",      ViaPipe,              wrapped);
     VIA("serialize", ViaSerialization,     wrapped);
@@ -674,17 +652,24 @@ static Sink* create_via(const char* tag, Sink* wrapped) {
 }
 
 static void gather_sinks() {
-    for (int i = 0; i < FLAGS_config.count(); i++) {
-        const char* config = FLAGS_config[i];
-        SkTArray<SkString> parts;
-        SkStrSplit(config, "-", &parts);
-
-        Sink* sink = nullptr;
-        for (int i = parts.count(); i-- > 0;) {
-            const char* part = parts[i].c_str();
-            Sink* next = (sink == nullptr) ? create_sink(part) : create_via(part, sink);
+    SkCommandLineConfigArray configs;
+    ParseConfigs(FLAGS_config, &configs);
+    for (int i = 0; i < configs.count(); i++) {
+        const SkCommandLineConfig& config = *configs[i];
+        Sink* sink = create_sink(&config);
+        if (sink == nullptr) {
+            SkDebugf("Skipping config %s: Don't understand '%s'.\n", config.getTag().c_str(),
+                     config.getTag().c_str());
+            continue;
+        }
+
+        const SkTArray<SkString>& parts = config.getViaParts();
+        for (int j = parts.count(); j-- > 0;) {
+            const SkString& part = parts[j];
+            Sink* next = create_via(part, sink);
             if (next == nullptr) {
-                SkDebugf("Skipping %s: Don't understand '%s'.\n", config, part);
+                SkDebugf("Skipping config %s: Don't understand '%s'.\n", config.getTag().c_str(),
+                         part.c_str());
                 delete sink;
                 sink = nullptr;
                 break;
@@ -806,7 +791,7 @@ struct Task {
         //   - this Src / Sink combination is on the blacklist;
         //   - it's a dry run.
         SkString note(task->src->veto(task->sink->flags()) ? " (veto)" : "");
-        SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag.c_str(),
+        SkString whyBlacklisted = is_blacklisted(task->sink.tag.c_str(), task->src.tag.c_str(),
                                                  task->src.options.c_str(), name.c_str());
         if (!whyBlacklisted.isEmpty()) {
             note.appendf(" (--blacklist %s)", whyBlacklisted.c_str());
@@ -818,15 +803,15 @@ struct Task {
             SkBitmap bitmap;
             SkDynamicMemoryWStream stream;
             if (FLAGS_pre_log) {
-                SkDebugf("\nRunning %s->%s", name.c_str(), task->sink.tag);
+                SkDebugf("\nRunning %s->%s", name.c_str(), task->sink.tag.c_str());
             }
-            start(task->sink.tag, task->src.tag, task->src.options, name.c_str());
+            start(task->sink.tag.c_str(), task->src.tag, task->src.options, name.c_str());
             Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
             if (!err.isEmpty()) {
                 auto elapsed = now_ms() - timerStart;
                 if (err.isFatal()) {
                     fail(SkStringPrintf("%s %s %s %s: %s",
-                                        task->sink.tag,
+                                        task->sink.tag.c_str(),
                                         task->src.tag.c_str(),
                                         task->src.options.c_str(),
                                         name.c_str(),
@@ -834,7 +819,7 @@ struct Task {
                 } else {
                     note.appendf(" (skipped: %s)", err.c_str());
                 }
-                done(elapsed, task->sink.tag, task->src.tag, task->src.options,
+                done(elapsed, task->sink.tag.c_str(), task->src.tag, task->src.options,
                      name, note, log);
                 return;
             }
@@ -867,11 +852,11 @@ struct Task {
             }
 
             if (!FLAGS_readPath.isEmpty() &&
-                !gGold.contains(Gold(task->sink.tag, task->src.tag.c_str(),
+                !gGold.contains(Gold(task->sink.tag.c_str(), task->src.tag.c_str(),
                                      task->src.options.c_str(), name, md5))) {
                 fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
                                     md5.c_str(),
-                                    task->sink.tag,
+                                    task->sink.tag.c_str(),
                                     task->src.tag.c_str(),
                                     task->src.options.c_str(),
                                     name.c_str(),
@@ -888,7 +873,7 @@ struct Task {
                 }
             }
         }
-        done(now_ms()-timerStart, task->sink.tag, task->src.tag.c_str(), task->src.options.c_str(),
+        done(now_ms()-timerStart, task->sink.tag.c_str(), task->src.tag.c_str(), task->src.options.c_str(),
              name, note, log);
     }
 
@@ -899,7 +884,7 @@ struct Task {
                             const SkBitmap* bitmap) {
         JsonWriter::BitmapResult result;
         result.name          = task.src->name();
-        result.config        = task.sink.tag;
+        result.config        = task.sink.tag.c_str();
         result.sourceType    = task.src.tag;
         result.sourceOptions = task.src.options;
         result.ext           = ext;
@@ -927,7 +912,7 @@ struct Task {
                 return;  // Content-addressed.  If it exists already, we're done.
             }
         } else {
-            path = SkOSPath::Join(dir, task.sink.tag);
+            path = SkOSPath::Join(dir, task.sink.tag.c_str());
             sk_mkdir(path.c_str());
             path = SkOSPath::Join(path.c_str(), task.src.tag.c_str());
             sk_mkdir(path.c_str());
@@ -1179,28 +1164,48 @@ template<typename T>
 void RunWithGPUTestContexts(T test, GPUTestContexts testContexts, Reporter* reporter,
                             GrContextFactory* factory) {
 #if SK_SUPPORT_GPU
-    const GrGLStandard api = get_gpu_api();
-    for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
-        GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
+    // Iterate over context types, except use "native" instead of explicitly trying OpenGL and
+    // OpenGL ES. Do not use GLES on desktop, since tests do not account for not fixing
+    // http://skbug.com/2809
+    GrContextFactory::GLContextType contextTypes[] = {
+        GrContextFactory::kNative_GLContextType,
+#if SK_ANGLE
+#ifdef SK_BUILD_FOR_WIN
+        GrContextFactory::kANGLE_GLContextType,
+#endif
+        GrContextFactory::kANGLE_GL_GLContextType,
+#endif
+#if SK_COMMAND_BUFFER
+        GrContextFactory::kCommandBuffer_GLContextType,
+#endif
+#if SK_MESA
+        GrContextFactory::kMESA_GLContextType,
+#endif
+        GrContextFactory::kNull_GLContextType,
+        GrContextFactory::kDebug_GLContextType,
+    };
+    static_assert(SK_ARRAY_COUNT(contextTypes) == GrContextFactory::kGLContextTypeCnt - 2,
+                  "Skipping unexpected GLContextType for GPU tests");
+
+    for (auto& contextType : contextTypes) {
         int contextSelector = kNone_GPUTestContexts;
-        if (GrContextFactory::IsRenderingGLContext(glCtxType)) {
+        if (GrContextFactory::IsRenderingGLContext(contextType)) {
             contextSelector |= kAllRendering_GPUTestContexts;
-        } else if (glCtxType == GrContextFactory::kNative_GLContextType) {
+        } else if (contextType == GrContextFactory::kNative_GLContextType) {
             contextSelector |= kNative_GPUTestContexts;
-        } else if (glCtxType == GrContextFactory::kNull_GLContextType) {
+        } else if (contextType == GrContextFactory::kNull_GLContextType) {
             contextSelector |= kNull_GPUTestContexts;
-        } else if (glCtxType == GrContextFactory::kDebug_GLContextType) {
+        } else if (contextType == GrContextFactory::kDebug_GLContextType) {
             contextSelector |= kDebug_GPUTestContexts;
         }
         if ((testContexts & contextSelector) == 0) {
             continue;
         }
-        if (GrContextFactory::ContextInfo* context = factory->getContextInfo(glCtxType, api)) {
+        if (GrContextFactory::ContextInfo* context = factory->getContextInfo(contextType)) {
             call_test(test, reporter, context);
         }
         if (GrContextFactory::ContextInfo* context =
-            factory->getContextInfo(glCtxType, api,
-                                    GrContextFactory::kEnableNVPR_GLContextOptions)) {
+            factory->getContextInfo(contextType, GrContextFactory::kEnableNVPR_GLContextOptions)) {
             call_test(test, reporter, context);
         }
     }