diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs b/Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs deleted file mode 100644 index 2d84c5bd..00000000 --- a/Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs +++ /dev/null @@ -1,118 +0,0 @@ -using Ryujinx.Graphics.Shader.Decoders; -using Ryujinx.Graphics.Shader.IntermediateRepresentation; -using Ryujinx.Graphics.Shader.Translation; - -using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper; -using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; - -namespace Ryujinx.Graphics.Shader.Instructions -{ - static partial class InstEmit - { - public static void Vmad(EmitterContext context) - { - InstVmad op = context.GetOp<InstVmad>(); - - bool aSigned = (op.ASelect & VectorSelect.S8B0) != 0; - bool bSigned = (op.BSelect & VectorSelect.S8B0) != 0; - - Operand srcA = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcA), op.ASelect); - Operand srcC = context.INegate(GetSrcReg(context, op.SrcC), op.AvgMode == AvgMode.NegB); - Operand srcB; - - if (op.BVideo) - { - srcB = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcB), op.BSelect); - } - else - { - int imm = op.Imm16; - - if (bSigned) - { - imm = (imm << 16) >> 16; - } - - srcB = Const(imm); - } - - Operand productLow = context.IMultiply(srcA, srcB); - Operand productHigh; - - if (aSigned == bSigned) - { - productHigh = aSigned - ? context.MultiplyHighS32(srcA, srcB) - : context.MultiplyHighU32(srcA, srcB); - } - else - { - Operand temp = aSigned - ? context.IMultiply(srcB, context.ShiftRightS32(srcA, Const(31))) - : context.IMultiply(srcA, context.ShiftRightS32(srcB, Const(31))); - - productHigh = context.IAdd(temp, context.MultiplyHighU32(srcA, srcB)); - } - - if (op.AvgMode == AvgMode.NegA) - { - (productLow, productHigh) = InstEmitAluHelper.NegateLong(context, productLow, productHigh); - } - - Operand resLow = InstEmitAluHelper.AddWithCarry(context, productLow, srcC, out Operand sumCarry); - Operand resHigh = context.IAdd(productHigh, sumCarry); - - if (op.AvgMode == AvgMode.PlusOne) - { - resLow = InstEmitAluHelper.AddWithCarry(context, resLow, Const(1), out Operand poCarry); - resHigh = context.IAdd(resHigh, poCarry); - } - - bool resSigned = op.ASelect == VectorSelect.S32 || - op.BSelect == VectorSelect.S32 || - op.AvgMode == AvgMode.NegB || - op.AvgMode == AvgMode.NegA; - - int shift = op.VideoScale switch - { - VideoScale.Shr7 => 7, - VideoScale.Shr15 => 15, - _ => 0 - }; - - if (shift != 0) - { - // Low = (Low >> Shift) | (High << (32 - Shift)) - // High >>= Shift - resLow = context.ShiftRightU32(resLow, Const(shift)); - resLow = context.BitwiseOr(resLow, context.ShiftLeft(resHigh, Const(32 - shift))); - resHigh = resSigned - ? context.ShiftRightS32(resHigh, Const(shift)) - : context.ShiftRightU32(resHigh, Const(shift)); - } - - Operand res = resLow; - - if (op.Sat) - { - Operand sign = context.ShiftRightS32(resHigh, Const(31)); - - if (resSigned) - { - Operand overflow = context.ICompareNotEqual(resHigh, context.ShiftRightS32(resLow, Const(31))); - Operand clampValue = context.ConditionalSelect(sign, Const(int.MinValue), Const(int.MaxValue)); - res = context.ConditionalSelect(overflow, clampValue, resLow); - } - else - { - Operand overflow = context.ICompareNotEqual(resHigh, Const(0)); - res = context.ConditionalSelect(overflow, context.BitwiseNot(sign), resLow); - } - } - - context.Copy(GetDest(op.Dest), res); - - // TODO: CC. - } - } -}
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