1GL_ARB_shader_stencil_export 2http://www.opengl.org/registry/specs/ARB/shader_stencil_export.txt 3GL_ARB_shader_stencil_export 4
1GL_ARB_shader_stencil_export 2http://www.opengl.org/registry/specs/ARB/shader_stencil_export.txt 3GL_ARB_shader_stencil_export 4