Make SkDeferredCanvas query SkGPipeWriter for space allocated for bitmaps.

SkGPipe now has a method to report how much memory is used for its shared heap.

BUG=http://code.google.com/p/skia/issues/detail?id=738
TEST=DeferredCanvasTest

Review URL: https://codereview.appspot.com/6445046

git-svn-id: http://skia.googlecode.com/svn/trunk@4791 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 10 insertions, 2 deletions

diff --git a/include/pipe/SkGPipe.h b/include/pipe/SkGPipe.h
index 878b69330a..d06148c662 100644
--- a/include/pipe/SkGPipe.h
+++ b/include/pipe/SkGPipe.h
@@ -89,7 +89,7 @@ public:
          *  in spite of being cross process, it will have shared address space
          *  with the reader, so the two can share large objects (like SkBitmaps)
          */
-        kSharedAddressSpace_SkGPipeFlag = 1 << 1
+        kSharedAddressSpace_Flag        = 1 << 1
     };
 
     SkCanvas* startRecording(SkGPipeController*, uint32_t flags = 0);
@@ -106,9 +106,17 @@ public:
      */
     void flushRecording(bool detachCurrentBlock);
 
+    /**
+     * Return the amount of bytes being used for recording. Note that this
+     * does not include the amount of storage written to the stream, which is
+     * controlled by the SkGPipeController.
+     * Currently only returns the amount used for SkBitmaps, since they are
+     * potentially unbounded (if the client is not calling playback).
+     */
+    size_t storageAllocatedForRecording();
+
 private:
     class SkGPipeCanvas* fCanvas;
-    SkGPipeController*   fController;
     SkFactorySet         fFactorySet;
     SkWriter32           fWriter;
 };