commit 84ac082fd457dc49e22290662ad37249718279e6
author robertphillips <robertphillips@google.com> Tue Oct 14 07:07:59 2014 -0700
committer Commit bot <commit-bot@chromium.org> Tue Oct 14 07:08:00 2014 -0700
tree 8f4f05080592f7725643544924e38d5479eef1d8
parent ab84fae29fdee95987b10c00ff34957476a66263

Add GrLayerCache::writeLayersToDisk

I'm tired of readding this capability whenever I need to debug.

Review URL: https://codereview.chromium.org/654653006

src/gpu/GrLayerCache.cpp

diff --git a/src/gpu/GrLayerCache.cpp b/src/gpu/GrLayerCache.cpp
index 570b2d6..de4a90a 100644
--- a/src/gpu/GrLayerCache.cpp
+++ b/src/gpu/GrLayerCache.cpp
@@ -8,6 +8,7 @@
 #include "GrAtlas.h"
 #include "GrGpu.h"
 #include "GrLayerCache.h"
+#include "GrSurfacePriv.h"
 
 DECLARE_SKMESSAGEBUS_MESSAGE(GrPictureDeletedMessage);
 
@@ -434,3 +435,33 @@
     }
 }
 
+#ifdef SK_DEVELOPER
+void GrLayerCache::writeLayersToDisk(const SkString& dirName) {
+
+    GrTexture* atlasTexture = fAtlas->getTexture();
+    if (NULL != atlasTexture) {
+        SkString fileName(dirName);
+        fileName.append("\\atlas.png");
+
+        atlasTexture->surfacePriv().savePixels(fileName.c_str());
+    }
+
+    SkTDynamicHash<GrCachedLayer, GrCachedLayer::Key>::Iter iter(&fLayerHash);
+    for (; !iter.done(); ++iter) {
+        GrCachedLayer* layer = &(*iter);
+
+        if (layer->isAtlased() || !layer->texture()) {
+            continue;
+        }
+
+        SkString fileName(dirName);
+        fileName.append("\\");
+        fileName.appendU32(layer->fKey.pictureID());
+        fileName.append("-");
+        fileName.appendU32(layer->fKey.start());
+        fileName.append(".png");
+
+        layer->texture()->surfacePriv().savePixels(fileName.c_str());
+    }
+}
+#endif

src/gpu/GrLayerCache.h

diff --git a/src/gpu/GrLayerCache.h b/src/gpu/GrLayerCache.h
index 3bccb43..d8c5ad9 100644
--- a/src/gpu/GrLayerCache.h
+++ b/src/gpu/GrLayerCache.h
@@ -222,6 +222,10 @@
 
     SkDEBUGCODE(void validate() const;)
 
+#ifdef SK_DEVELOPER
+    void writeLayersToDisk(const SkString& dirName);
+#endif
+
 private:
     static const int kAtlasTextureWidth = 1024;
     static const int kAtlasTextureHeight = 1024;