Shrink GrDrawOpAtlases when no longer needed, take 2.

Bug: skia:3550
Change-Id: Id483a76b9edcf29f7ea0aad0dd8946a3655ba8f2
Reviewed-on: https://skia-review.googlesource.com/50600
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/src/gpu/GrOnFlushResourceProvider.h b/src/gpu/GrOnFlushResourceProvider.h
index e2c0b73075..04f93b8618 100644
--- a/src/gpu/GrOnFlushResourceProvider.h
+++ b/src/gpu/GrOnFlushResourceProvider.h
@@ -9,6 +9,7 @@
 #define GrOnFlushResourceProvider_DEFINED
 
 #include "GrTypes.h"
+#include "GrOpFlushState.h"
 #include "GrResourceProvider.h"
 #include "SkRefCnt.h"
 #include "SkTArray.h"
@@ -43,9 +44,17 @@ public:
 
     /**
      * Called once flushing is complete and all ops indicated by preFlush have been executed and
-     * released.
+     * released. startTokenForNextFlush can be used to track resources used in the current flush.
      */
-    virtual void postFlush() {}
+    virtual void postFlush(GrDrawOpUploadToken startTokenForNextFlush) {}
+
+    /**
+      * Tells the callback owner to hold onto this object when freeing GPU resources
+      *
+      * In particular, GrDrawingManager::freeGPUResources() deletes all the path renderers.
+      * Any OnFlushCallbackObject associated with a path renderer will need to be deleted.
+      */
+    virtual bool retainOnFreeGpuResources() { return false; }
 
 private:
     typedef SkRefCnt INHERITED;