Add more batch information printouts

src/gpu/effects/GrXfermodeFragmentProcessor.cpp

 /*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "effects/GrXfermodeFragmentProcessor.h"
 
 #include "GrFragmentProcessor.h"
@@ skipping 136 matching lines @@
     ComposeOneFragmentProcessor(const GrFragmentProcessor* dst, SkXfermode::Mode mode, Child child)
         : fMode(mode)
         , fChild(child) {
         this->initClassID<ComposeOneFragmentProcessor>();
         SkDEBUGCODE(int dstIndex = )this->registerChildProcessor(dst);
         SkASSERT(0 == dstIndex);
     }
 
     const char* name() const override { return "ComposeOne"; }
 
+    SkString dumpInfo() const override {
+        SkString str;
+
+        for (int i = 0; i < this->numChildProcessors(); ++i) {
+            str.append(this->childProcessor(i).dumpInfo());
+        }
+        return str;
+    }
+
     void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override {
         GR_STATIC_ASSERT((SkXfermode::kLastMode & SK_MaxU16) == SkXfermode::kLastMode);
         b->add32(fMode | (fChild << 16));
     }
 
     SkXfermode::Mode mode() const { return fMode; }
 
     Child child() const { return fChild; }
 
 protected:
@@ skipping 127 matching lines @@
         case SkXfermode::kClear_Mode:
             return GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
                                                  GrConstColorProcessor::kIgnore_InputMode);
         case SkXfermode::kDst_Mode:
             return nullptr;
         default:
             return new ComposeOneFragmentProcessor(src, mode,
                                                    ComposeOneFragmentProcessor::kSrc_Child);
     }
 }