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glsl: Simplify FCMP emission

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This commit is contained in:
ameerj
2021-07-16 20:13:15 -04:00
parent 79d2684261
commit 56c30dd9e0
1 changed files with 4 additions and 6 deletions
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10
src/shader_recompiler/backend/glsl/emit_glsl_floating_point.cpp
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@@ -13,12 +13,10 @@ namespace Shader::Backend::GLSL {
namespace {
void Compare(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs,
std::string_view op, bool ordered) {
ctx.AddU1("{}={}{}{}", inst, lhs, op, rhs, lhs, rhs);
if (ordered) {
ctx.Add("&&!isnan({})&&!isnan({});", lhs, rhs);
} else {
ctx.Add("||isnan({})||isnan({});", lhs, rhs);
}
const auto nan_op{ordered ? "&&!" : "||"};
ctx.AddU1("{}={}{}{}"
"{}isnan({}){}isnan({});",
inst, lhs, op, rhs, nan_op, lhs, nan_op, rhs);
}
bool IsPrecise(const IR::Inst& inst) {