blob: 91ae5cc967326b1cd8253899b6b66f4599335fa1 (
plain)
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[require]
GLSL >= 1.20
[vertex shader]
void main()
{
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}
[fragment shader]
void main()
{
const vec2 v1 = vec2(1.0, 2.0);
const vec2 v2 = vec2(4.0, -5.0);
const vec2 v3 = faceforward(v1, v1, v2);
const vec2 v4 = faceforward(v1, v1, v1);
if (v3 == v1 && v4 == -v1)
gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
else
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
[test]
draw rect -1 -1 2 2
probe all rgb 0 1 0
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