uniform sampler2D tex0; in vec4 v_color; in vec2 v_tex0; in float v_fog; out vec4 color; void main(void) { color = v_color*texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y)); color.rgb = mix(u_fogColor.rgb, color.rgb, v_fog); DoAlphaTest(color.a); }