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# This exercises a bug found in a Doom shader where the lessThan() comparison
# was only done against a single component of the mixed arithmetic expression
# rather than all four components.
[require]
GLSL >= 1.10
[vertex shader passthrough]
[fragment shader]
#version 110
uniform vec4 a;
uniform vec4 b;
void main() {
gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
if (any(lessThan(b.w + a.xyzw, vec4(0.0))))
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
[test]
clear color 0.1 0.1 0.1 0.1
clear
uniform vec4 a 0.5 0.5 0.5 -1.0
uniform vec4 b 1.0 1.0 1.0 0.5
draw rect -1 -1 2 2
probe all rgba 1.0 0.0 0.0 1.0
uniform vec4 a 0.5 0.5 0.5 -0.5
uniform vec4 b 1.0 1.0 1.0 0.5
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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