commit 21b519d56f9838c2e6e7abe704d3313e03f6f754
author reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Tue Oct 02 17:42:15 2012 +0000
committer reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Tue Oct 02 17:42:15 2012 +0000
tree 7f0b15fdd823871ff621c564a0a22b10a6f95cfe
parent a3301b6d1527d7a8c59760c219db741b8c8915a3

catch empty stack in restorefixup called by clipRect
write stress-test for save/clip/restore peephole optimization



git-svn-id: http://skia.googlecode.com/svn/trunk@5774 2bbb7eff-a529-9590-31e7-b0007b416f81

src/core/SkPictureRecord.cpp

diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index ddb2528..edc67a0 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -332,6 +332,10 @@
 }
 
 void SkPictureRecord::recordRestoreOffsetPlaceholder(SkRegion::Op op) {
+    if (fRestoreOffsetStack.isEmpty()) {
+        return;
+    }
+
     if (regionOpExpands(op)) {
         // Run back through any previous clip ops, and mark their offset to
         // be 0, disabling their ability to trigger a jump-to-restore, otherwise