| // Multi-texture fragment shader | |
| // Brian Paul | |
| // Composite second texture over first. | |
| // We're assuming the 2nd texture has a meaningful alpha channel. | |
| uniform sampler2D tex1; | |
| uniform sampler2D tex2; | |
| void main() | |
| { | |
| vec4 t1 = texture2D(tex1, gl_TexCoord[0].xy); | |
| vec4 t2 = texture2D(tex2, gl_TexCoord[1].xy); | |
| gl_FragColor = mix(t1, t2, t2.w); | |
| } |