geometry shaders geometry shader they don't work like that. Geometry geometry shaders geometry shaders Geometry Shader - OpenGL geometry shaders Geometry Shader - OpenGL OpenGL.org Wiki Geometry Shader - OpenGL geometry shader Geometry Shader - OpenGL geometry shaders Geometry Shader - OpenGL geometry shader geometry shaders Geometry Shader - OpenGL Geometry Shader - OpenGL geometry shader geometry shaders Geometry Shader OpenGL.org Wiki geometry shaders http://www.opengl.org/wiki/Geometry_Shader Geometry Shader - OpenGL OpenGL Wiki