+− +− +−attribute vec2 vertex; +−attribute vec2 texcoord; +−attribute vec4 colors; +− +−varying vec2 tex; +− +−uniform mat4 mvp; +− +−void main() +−{ +− vec4 p = mvp * vec4(vertex, 0.0, 1.0); +− gl_Position = p; +− tex = texcoord; +−}