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spirv: Be aware of NAN unaware drivers

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ReinUsesLisp 2021-05-23 04:27:09 -03:00 committed by ameerj
parent fde47152d9
commit 850b08a16c
1 changed files with 40 additions and 18 deletions
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58
src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp
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@ -22,6 +22,28 @@ Id Clamp(EmitContext& ctx, Id type, Id value, Id zero, Id one) {
return ctx.OpFClamp(type, value, zero, one); return ctx.OpFClamp(type, value, zero, one);
} }
} }
Id FPOrdNotEqual(EmitContext& ctx, Id lhs, Id rhs) {
if (ctx.profile.ignore_nan_fp_comparisons) {
const Id comp{ctx.OpFOrdEqual(ctx.U1, lhs, rhs)};
const Id lhs_not_nan{ctx.OpLogicalNot(ctx.U1, ctx.OpIsNan(ctx.U1, lhs))};
const Id rhs_not_nan{ctx.OpLogicalNot(ctx.U1, ctx.OpIsNan(ctx.U1, rhs))};
return ctx.OpLogicalAnd(ctx.U1, ctx.OpLogicalAnd(ctx.U1, comp, lhs_not_nan), rhs_not_nan);
} else {
return ctx.OpFOrdNotEqual(ctx.U1, lhs, rhs);
}
}
Id FPUnordCompare(Id (EmitContext::*comp_func)(Id, Id, Id), EmitContext& ctx, Id lhs, Id rhs) {
if (ctx.profile.ignore_nan_fp_comparisons) {
const Id lhs_nan{ctx.OpIsNan(ctx.U1, lhs)};
const Id rhs_nan{ctx.OpIsNan(ctx.U1, rhs)};
const Id comp{(ctx.*comp_func)(ctx.U1, lhs, rhs)};
return ctx.OpLogicalOr(ctx.U1, ctx.OpLogicalOr(ctx.U1, comp, lhs_nan), rhs_nan);
} else {
return (ctx.*comp_func)(ctx.U1, lhs, rhs);
}
}
} // Anonymous namespace } // Anonymous namespace
Id EmitFPAbs16(EmitContext& ctx, Id value) { Id EmitFPAbs16(EmitContext& ctx, Id value) {
@ -227,27 +249,27 @@ Id EmitFPOrdEqual64(EmitContext& ctx, Id lhs, Id rhs) {
} }
Id EmitFPUnordEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordEqual16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordEqual32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordEqual32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordEqual64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordEqual64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordEqual, ctx, lhs, rhs);
} }
Id EmitFPOrdNotEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdNotEqual16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFOrdNotEqual(ctx.U1, lhs, rhs); return FPOrdNotEqual(ctx, lhs, rhs);
} }
Id EmitFPOrdNotEqual32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdNotEqual32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFOrdNotEqual(ctx.U1, lhs, rhs); return FPOrdNotEqual(ctx, lhs, rhs);
} }
Id EmitFPOrdNotEqual64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdNotEqual64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFOrdNotEqual(ctx.U1, lhs, rhs); return FPOrdNotEqual(ctx, lhs, rhs);
} }
Id EmitFPUnordNotEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordNotEqual16(EmitContext& ctx, Id lhs, Id rhs) {
@ -275,15 +297,15 @@ Id EmitFPOrdLessThan64(EmitContext& ctx, Id lhs, Id rhs) {
} }
Id EmitFPUnordLessThan16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThan16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThan, ctx, lhs, rhs);
} }
Id EmitFPUnordLessThan32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThan32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThan, ctx, lhs, rhs);
} }
Id EmitFPUnordLessThan64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThan64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThan, ctx, lhs, rhs);
} }
Id EmitFPOrdGreaterThan16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdGreaterThan16(EmitContext& ctx, Id lhs, Id rhs) {
@ -299,15 +321,15 @@ Id EmitFPOrdGreaterThan64(EmitContext& ctx, Id lhs, Id rhs) {
} }
Id EmitFPUnordGreaterThan16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThan16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThan, ctx, lhs, rhs);
} }
Id EmitFPUnordGreaterThan32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThan32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThan, ctx, lhs, rhs);
} }
Id EmitFPUnordGreaterThan64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThan64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThan(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThan, ctx, lhs, rhs);
} }
Id EmitFPOrdLessThanEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdLessThanEqual16(EmitContext& ctx, Id lhs, Id rhs) {
@ -323,15 +345,15 @@ Id EmitFPOrdLessThanEqual64(EmitContext& ctx, Id lhs, Id rhs) {
} }
Id EmitFPUnordLessThanEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThanEqual16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThanEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordLessThanEqual32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThanEqual32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThanEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordLessThanEqual64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordLessThanEqual64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordLessThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordLessThanEqual, ctx, lhs, rhs);
} }
Id EmitFPOrdGreaterThanEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPOrdGreaterThanEqual16(EmitContext& ctx, Id lhs, Id rhs) {
@ -347,15 +369,15 @@ Id EmitFPOrdGreaterThanEqual64(EmitContext& ctx, Id lhs, Id rhs) {
} }
Id EmitFPUnordGreaterThanEqual16(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThanEqual16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThanEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordGreaterThanEqual32(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThanEqual32(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThanEqual, ctx, lhs, rhs);
} }
Id EmitFPUnordGreaterThanEqual64(EmitContext& ctx, Id lhs, Id rhs) { Id EmitFPUnordGreaterThanEqual64(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFUnordGreaterThanEqual(ctx.U1, lhs, rhs); return FPUnordCompare(&EmitContext::OpFUnordGreaterThanEqual, ctx, lhs, rhs);
} }
Id EmitFPIsNan16(EmitContext& ctx, Id value) { Id EmitFPIsNan16(EmitContext& ctx, Id value) {