Test/spv.pp.line.frag

#version 140

uniform sampler1D       texSampler1D;
uniform sampler2D       texSampler2D;

varying float blend;
varying vec4 u;

in  vec2 coords2D;

void main()
{
    float blendscale = 1.789;
    float bias       = 2.0;
    float coords1D   = 1.789;
    vec4  color      = vec4(0.0, 0.0, 0.0, 0.0);
#line 53
    color += texture    (texSampler1D, coords1D);
    color += texture    (texSampler1D, coords1D, bias);
#line 102
    color += texture        (texSampler2D, coords2D);
    color += texture        (texSampler2D, coords2D, bias);

    gl_FragColor = mix(color, u, blend * blendscale);
}