blob: 31b974155ade859309d1920c9b2161fb694b0df2 (
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[require]
GLSL >= 1.10
[vertex shader]
varying float xval;
varying float yval;
void main()
{
gl_Position = gl_Vertex;
xval = gl_Vertex.x;
yval = gl_Vertex.y;
}
[fragment shader]
uniform vec4 arg0;
varying float xval;
varying float yval;
void main()
{
gl_FragColor = vec4(dFdx(xval) * 20.0,
dFdy(yval) * 10.0,
0.0, 1.0);
}
[test]
draw rect -1 -1 2 2
probe rgba 16 16 0.16 0.08 0.00 1.00
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