From e2bc05b17d91854cbb9c0ce3647141bf7d33143e Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sat, 20 Feb 2021 03:30:13 -0300 Subject: shader: Add denorm flush support --- .../impl/floating_point_conversion_integer.cpp | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'src/shader_recompiler/frontend/maxwell/translate') diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp index ae2d37405..4d82a0009 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp @@ -81,17 +81,28 @@ void TranslateF2I(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a) { // F2I is used to convert from a floating point value to an integer const F2I f2i{insn}; + const bool denorm_cares{f2i.src_format != SrcFormat::F16 && f2i.src_format != SrcFormat::F64 && + f2i.dest_format != DestFormat::I64}; + IR::FmzMode fmz_mode{IR::FmzMode::DontCare}; + if (denorm_cares) { + fmz_mode = f2i.ftz != 0 ? IR::FmzMode::FTZ : IR::FmzMode::None; + } + const IR::FpControl fp_control{ + .no_contraction{true}, + .rounding{IR::FpRounding::DontCare}, + .fmz_mode{fmz_mode}, + }; const IR::F16F32F64 op_a{v.ir.FPAbsNeg(src_a, f2i.abs != 0, f2i.neg != 0)}; const IR::F16F32F64 rounded_value{[&] { switch (f2i.rounding) { case Rounding::Round: - return v.ir.FPRoundEven(op_a); + return v.ir.FPRoundEven(op_a, fp_control); case Rounding::Floor: - return v.ir.FPFloor(op_a); + return v.ir.FPFloor(op_a, fp_control); case Rounding::Ceil: - return v.ir.FPCeil(op_a); + return v.ir.FPCeil(op_a, fp_control); case Rounding::Trunc: - return v.ir.FPTrunc(op_a); + return v.ir.FPTrunc(op_a, fp_control); default: throw NotImplementedException("Invalid F2I rounding {}", f2i.rounding.Value()); } -- cgit v1.2.3