38 lines
878 B
GLSL
38 lines
878 B
GLSL
#version 450
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struct S1 {
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float a;
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int b;
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};
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layout(location = 0) flat in S1 in1;
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layout(location = 2) flat in S1 in2;
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layout(location = 4) flat in int cond;
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layout(location = 0) out float outv;
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void fun1(){}
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void fun2(){}
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void main()
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{
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// glslang will only make OpSelect for very trivial looking expressions
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float f1 = 1.0;
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float f2 = 2.0;
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outv = cond < 8 ? f1 : f2; // in all versions
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ivec4 iv1 = ivec4(f1);
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ivec4 iv2 = ivec4(f2);
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outv *= (cond > 0 ? iv1 : iv2).z; // in all versions, but in 1.4 as scalar condition, not smeared ala mix()
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mat3 m1 = mat3(1.0);
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mat3 m2 = mat3(2.0);
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outv *= (cond < 20 ? m1 : m2)[2][1]; // in 1.4, but not before
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S1 fv = cond > 5 ? in1 : in2; // in 1.4, but not before
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outv *= fv.a;
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cond > 0 ? fun1() : fun2(); // not allowed by any version
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}
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