5 uniform sampler3D tex3d;
8 gl_FragColor = texture3D(tex3d, gl_TexCoord[0].xyz);
15 draw rect tex -1 -1 2 2 0 0 1 1
16 relative probe rgba (0.25, 0.25) (1.0, 0.0, 0.0, 1.0)
17 relative probe rgba (0.75, 0.25) (0.0, 1.0, 0.0, 1.0)
18 relative probe rgba (0.25, 0.75) (0.0, 0.0, 1.0, 1.0)
19 relative probe rgba (0.75, 0.75) (1.0, 1.0, 1.0, 1.0)