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https://github.com/KhronosGroup/glslang
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a1138bacff
Add test cases that will make explicit ±0.0 and ±INF appear in the AST output to make sure those cases are handled correctly.
14 lines
529 B
GLSL
14 lines
529 B
GLSL
#version 320 es
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precision highp float;
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out vec4 my_FragColor;
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void main()
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{
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// GLSL ES 3.00.6 section 4.1.4 Floats:
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// "A value with a magnitude too small to be represented as a mantissa and exponent is converted to zero."
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// 1.0e-50 is small enough that it can't even be stored as subnormal.
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float correct = (1.0e-50 == 0.0) ? 1.0 : 0.0;
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float correct1 = isinf(1.0e40) ? 1.0 : 0.0;
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vec4 foo = vec4(1.0e-50, -1.0e-50, 1.0e50, -1.0e50);
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my_FragColor = vec4(0.0, correct, correct1, 1.0);
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}
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