blob: ed691746c5b83c0157c54db1d42c1d72dd1c6ec5 (
plain)
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[require]
GL >= 2.0
GLSL >= 1.10
[vertex shader]
void main()
{
gl_Position = gl_Vertex;
}
[fragment shader]
uniform vec4 val;
uniform int i;
vec4 chan_to_green(float x)
{
if (x < 0.0)
return vec4(0.0);
return vec4(0.0, x, 0.0, 0.0);
}
void main()
{
gl_FragColor = chan_to_green(vec4(0.0, 0.0, 1.0, 0.0)[i]);
}
[test]
uniform int i 2
draw rect -1 -1 2 2
probe rgb 1 1 0.0 1.0 0.0
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