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49bbd98a04
I.e., without invoking undefined behavior in the compiler. The rules are desumed from the the MSDN documentation for ftoi and ftou.
45 lines
790 B
Plaintext
45 lines
790 B
Plaintext
[require]
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shader model >= 4.0
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[pixel shader]
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float4 main(uniform float f, uniform int i, uniform bool b, uniform half h) : sv_target
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{
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float4 ret;
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ret.x = ((float)(uint)f) - 1.5;
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ret.y = ((float)(uint)i) - 1.5;
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ret.z = ((float)(uint)b) / 2;
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ret.w = ((float)(uint)h) + 0.5;
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return ret;
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}
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[test]
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uniform 0 float 2.6
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uniform 1 int 2
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uniform 2 int -2
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uniform 3 float -3.6
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draw quad
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probe all rgba (0.5, 0.5, 0.5, 0.5)
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[pixel shader]
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float4 main() : sv_target
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{
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float f = 2.6;
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int i = 2;
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bool b = true;
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half h = -3.6;
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float4 ret;
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ret.x = ((float)(uint)f) - 1.5;
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ret.y = ((float)(uint)i) - 1.5;
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ret.z = ((float)(uint)b) / 2;
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ret.w = ((float)(uint)h) + 0.5;
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return ret;
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}
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[test]
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draw quad
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probe all rgba (0.5, 0.5, 0.5, 0.5)
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