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glsl: Simplify FCMP emission
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@ -13,12 +13,10 @@ namespace Shader::Backend::GLSL {
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namespace {
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void Compare(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs,
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std::string_view op, bool ordered) {
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ctx.AddU1("{}={}{}{}", inst, lhs, op, rhs, lhs, rhs);
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if (ordered) {
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ctx.Add("&&!isnan({})&&!isnan({});", lhs, rhs);
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} else {
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ctx.Add("||isnan({})||isnan({});", lhs, rhs);
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}
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const auto nan_op{ordered ? "&&!" : "||"};
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ctx.AddU1("{}={}{}{}"
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"{}isnan({}){}isnan({});",
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inst, lhs, op, rhs, nan_op, lhs, nan_op, rhs);
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}
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bool IsPrecise(const IR::Inst& inst) {
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