+ [GL_POINTS] = GL_POINTS,
+ [GL_LINES] = GL_LINES,
+ [GL_LINE_LOOP] = GL_LINES,
+ [GL_LINE_STRIP] = GL_LINES,
+ [GL_TRIANGLES] = GL_TRIANGLES,
+ [GL_TRIANGLE_STRIP] = GL_TRIANGLES,
+ [GL_TRIANGLE_FAN] = GL_TRIANGLES,
+ [GL_QUADS] = GL_TRIANGLES,
+ [GL_QUAD_STRIP] = GL_TRIANGLES,
+ [GL_POLYGON] = GL_TRIANGLES,