uniform mat4 u_mat4_mdv; uniform mat4 u_mat4_prj; attribute vec3 a_v3_vtx; attribute vec2 a_v2_txc; attribute float a_flt_alpha; varying vec2 v_v2_txc; varying float v_flt_alpha; void main() { vec4 vPosES = u_mat4_mdv * vec4(a_v3_vtx.x, a_v3_vtx.y, a_v3_vtx.z, 1.0); gl_Position = u_mat4_prj * vPosES; v_v2_txc = a_v2_txc; v_flt_alpha = a_flt_alpha; }