1 files changed, 3 insertions, 3 deletions
diff --git a/WebCore/platform/graphics/android/ShaderProgram.cpp b/WebCore/platform/graphics/android/ShaderProgram.cpp
index dc6577c..ed5fe42 100644
--- a/WebCore/platform/graphics/android/ShaderProgram.cpp
+++ b/WebCore/platform/graphics/android/ShaderProgram.cpp
@@ -231,10 +231,10 @@ void ShaderProgram::clip(const FloatRect& clip)
     m_clipRect = clip;
 }
 
-IntRect ShaderProgram::clippedRectWithViewport(const IntRect& rect)
+IntRect ShaderProgram::clippedRectWithViewport(const IntRect& rect, int margin)
 {
-    IntRect viewport(m_viewport.fLeft, m_viewport.fTop,
-                     m_viewport.width(), m_viewport.height());
+    IntRect viewport(m_viewport.fLeft - margin, m_viewport.fTop - margin,
+                     m_viewport.width() + margin, m_viewport.height() + margin);
     viewport.intersect(rect);
     return viewport;
 }