Updated GeometricPrimitive (markdown)

GeometricPrimitive.md

@@ -154,6 +154,7 @@ GeometricPrimitive makes use of the following states:
 * Vertex buffer (slot 0)
 * Index buffer
 * Constant buffer (Vertex Shader and Pixel Shader stages, slot 0)
+* Shader resources (Pixel Shader stage, slot 0)
 
 The GeometricPrimitive class assumes you've already set the Render Target view, Depth Stencil view, and Viewport.