1 files changed, 39 insertions, 9 deletions

diff --git a/indra/llui/lllocalcliprect.cpp b/indra/llui/lllocalcliprect.cpp
index 6841301219..1a311bb13a 100644
--- a/indra/llui/lllocalcliprect.cpp
+++ b/indra/llui/lllocalcliprect.cpp
@@ -27,8 +27,33 @@
 #include "lllocalcliprect.h"
 
 #include "llfontgl.h"
+#include "llgl.h"
 #include "llui.h"
 
+#include <stack>
+
+//---------------------------------------------------------------------------
+// LLScreenClipRect
+// implementation class in screen space
+//---------------------------------------------------------------------------
+class LLScreenClipRect
+{
+public:
+	LLScreenClipRect(const LLRect& rect, BOOL enabled = TRUE);
+	virtual ~LLScreenClipRect();
+
+private:
+	static void pushClipRect(const LLRect& rect);
+	static void popClipRect();
+	static void updateScissorRegion();
+
+private:
+	LLGLState		mScissorState;
+	BOOL			mEnabled;
+
+	static std::stack<LLRect> sClipRectStack;
+};
+
 /*static*/ std::stack<LLRect> LLScreenClipRect::sClipRectStack;
 
 
@@ -39,9 +64,9 @@ LLScreenClipRect::LLScreenClipRect(const LLRect& rect, BOOL enabled)
 	if (mEnabled)
 	{
 		pushClipRect(rect);
-		mScissorState.setEnabled(!sClipRectStack.empty());
-		updateScissorRegion();
 	}
+	mScissorState.setEnabled(!sClipRectStack.empty());
+	updateScissorRegion();
 }
 
 LLScreenClipRect::~LLScreenClipRect()
@@ -49,8 +74,8 @@ LLScreenClipRect::~LLScreenClipRect()
 	if (mEnabled)
 	{
 		popClipRect();
-		updateScissorRegion();
 	}
+	updateScissorRegion();
 }
 
 //static 
@@ -100,11 +125,16 @@ void LLScreenClipRect::updateScissorRegion()
 // LLLocalClipRect
 //---------------------------------------------------------------------------
 LLLocalClipRect::LLLocalClipRect(const LLRect& rect, BOOL enabled /* = TRUE */)
-:	LLScreenClipRect(LLRect(rect.mLeft + LLFontGL::sCurOrigin.mX, 
-					rect.mTop + LLFontGL::sCurOrigin.mY, 
-					rect.mRight + LLFontGL::sCurOrigin.mX, 
-					rect.mBottom + LLFontGL::sCurOrigin.mY), enabled)
-{}
+{
+	LLRect screen(rect.mLeft + LLFontGL::sCurOrigin.mX, 
+		rect.mTop + LLFontGL::sCurOrigin.mY, 
+		rect.mRight + LLFontGL::sCurOrigin.mX, 
+		rect.mBottom + LLFontGL::sCurOrigin.mY);
+	mScreenClipRect = new LLScreenClipRect(screen, enabled);
+}
 
 LLLocalClipRect::~LLLocalClipRect()
-{}
+{
+	delete mScreenClipRect;
+	mScreenClipRect = NULL;
+}