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# From the GLSL 4.60 spec Section 5.9 (Expressions):
#
# "Dividing by zero does not cause an exception but does
# result in an unspecified value."
#
# Here we make sure that constant evaluation doesn't crash on
# a divide by zero.
#
[require]
GLSL >= 1.10
[vertex shader passthrough]
[fragment shader]
void main()
{
int j = 0;
// We use a loop specifically to avoid Mesa's GLSL IR
// from doing the constant evaluating. In this case
// we want to test NIR which exclusively does loop
// unrolling on some drivers and will therefore end
// up doing the constant evaluation.
for (int i = 0; i < 4; i++)
j += 42/i;
gl_FragColor.x = 255.0f / float(j);
}
[test]
link success
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