Fixed frame scissor test

src/GUI/Frame.h

@@ -132,7 +132,11 @@ public:
 	Rectangle AbsoluteRectangle()
 	{
 		int left = Left();
+		if (m_Parent)
+			left = std::max(left, m_Parent->Left());
 		int top = Top();
+		if (m_Parent)
+			top = std::max(top, m_Parent->Top());
 		int width = Right() - left;
 		int height = Bottom() - top;
 		return Rectangle(left, top, width, height);

src/Renderer.cpp

@@ -276,6 +276,7 @@ void Renderer::DrawFrame(RenderQueuePair &rq)
 	//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	//glClearColor(0.0f, 0.5f, 0.0f, 1.0f);
 
+	glEnable(GL_SCISSOR_TEST);
 	glDisable(GL_DEPTH_TEST);
 	glEnable(GL_CULL_FACE);
 	glCullFace(GL_BACK);