+−#ifdef GL_ES +−precision mediump float; +−#endif +− +−attribute vec2 vertex; +−attribute vec4 color; +− +−varying vec4 vcolor; +− +−uniform mat4 mvp; +− +−void main() +−{ +− vec4 p = mvp * vec4(vertex, 0.0, 1.0); +− gl_Position = p; +− vcolor = color; +−}