Move code to dump GrSurface as a png to helper files

src/gpu/GrAADistanceFieldPathRenderer.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAADistanceFieldPathRenderer.h"
 
@@ skipping 10 matching lines @@
 
 #define ATLAS_TEXTURE_WIDTH 1024
 #define ATLAS_TEXTURE_HEIGHT 1024
 
 #define PLOT_WIDTH  256
 #define PLOT_HEIGHT 256
 
 #define NUM_PLOTS_X   (ATLAS_TEXTURE_WIDTH / PLOT_WIDTH)
 #define NUM_PLOTS_Y   (ATLAS_TEXTURE_HEIGHT / PLOT_HEIGHT)
 
+#ifdef SK_DEVELOPER

[scroggo, 2014/10/20 15:27:38]

This is a good change that can go in separately.

 SK_CONF_DECLARE(bool, c_DumpPathCache, "gpu.dumpPathCache", false,
                 "Dump the contents of the path cache before every purge.");
+#endif
 
 ////////////////////////////////////////////////////////////////////////////////
 GrAADistanceFieldPathRenderer::~GrAADistanceFieldPathRenderer() {
     PathDataList::Iter iter;
     iter.init(fPathList, PathDataList::Iter::kHead_IterStart);
     PathData* pathData;
     while ((pathData = iter.get())) {
         iter.next();
         fPathList.remove(pathData);
         SkDELETE(pathData);
@@ skipping 136 matching lines @@
     
     // if atlas full
     if (NULL == plot) {
         if (this->freeUnusedPlot()) {
             plot = fAtlas->addToAtlas(&fPlotUsage, width, height, dfStorage.get(),
                                       &atlasLocation);
             if (plot) {
                 goto HAS_ATLAS;
             }
         }
-    
+
+#ifdef SK_DEVELOPER
         if (c_DumpPathCache) {
-#ifdef SK_DEVELOPER
             GrTexture* texture = fAtlas->getTexture();
-            texture->surfacePriv().savePixels("pathcache.png");
+            SkSaveGrSurfacePixelsAsPNG(texture, "pathcache.png");
+        }
 #endif
-        }
         
         // before we purge the cache, we must flush any accumulated draws
         fContext->flush();
         
         if (this->freeUnusedPlot()) {
             plot = fAtlas->addToAtlas(&fPlotUsage, width, height, dfStorage.get(),
                                       &atlasLocation);
             if (plot) {
                 goto HAS_ATLAS;
             }
@@ skipping 126 matching lines @@
     
 
     vm.mapRect(&r);
     target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 4, 6, &r);
     target->resetVertexSource();
     target->resetIndexSource();
     
     return true;
 }