diff options
Diffstat (limited to 'Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs')
| -rw-r--r-- | Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs | 1299 |
1 files changed, 0 insertions, 1299 deletions
diff --git a/Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs b/Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs deleted file mode 100644 index f935be74..00000000 --- a/Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs +++ /dev/null @@ -1,1299 +0,0 @@ -using System; - -using static Ryujinx.Graphics.Gal.Shader.ShaderDecodeHelper; - -namespace Ryujinx.Graphics.Gal.Shader -{ - static partial class ShaderDecode - { - private enum HalfOutputType - { - PackedFp16, - Fp32, - MergeH0, - MergeH1 - } - - public static void Bfe_C(ShaderIrBlock block, long opCode, int position) - { - EmitBfe(block, opCode, ShaderOper.Cr); - } - - public static void Bfe_I(ShaderIrBlock block, long opCode, int position) - { - EmitBfe(block, opCode, ShaderOper.Imm); - } - - public static void Bfe_R(ShaderIrBlock block, long opCode, int position) - { - EmitBfe(block, opCode, ShaderOper.Rr); - } - - public static void Fadd_C(ShaderIrBlock block, long opCode, int position) - { - EmitFadd(block, opCode, ShaderOper.Cr); - } - - public static void Fadd_I(ShaderIrBlock block, long opCode, int position) - { - EmitFadd(block, opCode, ShaderOper.Immf); - } - - public static void Fadd_I32(ShaderIrBlock block, long opCode, int position) - { - ShaderIrNode operA = opCode.Gpr8(); - ShaderIrNode operB = opCode.Immf32_20(); - - bool negB = opCode.Read(53); - bool absA = opCode.Read(54); - bool negA = opCode.Read(56); - bool absB = opCode.Read(57); - - operA = GetAluFabsFneg(operA, absA, negA); - operB = GetAluFabsFneg(operB, absB, negB); - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Fadd, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - public static void Fadd_R(ShaderIrBlock block, long opCode, int position) - { - EmitFadd(block, opCode, ShaderOper.Rr); - } - - public static void Ffma_CR(ShaderIrBlock block, long opCode, int position) - { - EmitFfma(block, opCode, ShaderOper.Cr); - } - - public static void Ffma_I(ShaderIrBlock block, long opCode, int position) - { - EmitFfma(block, opCode, ShaderOper.Immf); - } - - public static void Ffma_RC(ShaderIrBlock block, long opCode, int position) - { - EmitFfma(block, opCode, ShaderOper.Rc); - } - - public static void Ffma_RR(ShaderIrBlock block, long opCode, int position) - { - EmitFfma(block, opCode, ShaderOper.Rr); - } - - public static void Fmnmx_C(ShaderIrBlock block, long opCode, int position) - { - EmitFmnmx(block, opCode, ShaderOper.Cr); - } - - public static void Fmnmx_I(ShaderIrBlock block, long opCode, int position) - { - EmitFmnmx(block, opCode, ShaderOper.Immf); - } - - public static void Fmnmx_R(ShaderIrBlock block, long opCode, int position) - { - EmitFmnmx(block, opCode, ShaderOper.Rr); - } - - public static void Fmul_I32(ShaderIrBlock block, long opCode, int position) - { - ShaderIrNode operA = opCode.Gpr8(); - ShaderIrNode operB = opCode.Immf32_20(); - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Fmul, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - public static void Fmul_C(ShaderIrBlock block, long opCode, int position) - { - EmitFmul(block, opCode, ShaderOper.Cr); - } - - public static void Fmul_I(ShaderIrBlock block, long opCode, int position) - { - EmitFmul(block, opCode, ShaderOper.Immf); - } - - public static void Fmul_R(ShaderIrBlock block, long opCode, int position) - { - EmitFmul(block, opCode, ShaderOper.Rr); - } - - public static void Fset_C(ShaderIrBlock block, long opCode, int position) - { - EmitFset(block, opCode, ShaderOper.Cr); - } - - public static void Fset_I(ShaderIrBlock block, long opCode, int position) - { - EmitFset(block, opCode, ShaderOper.Immf); - } - - public static void Fset_R(ShaderIrBlock block, long opCode, int position) - { - EmitFset(block, opCode, ShaderOper.Rr); - } - - public static void Fsetp_C(ShaderIrBlock block, long opCode, int position) - { - EmitFsetp(block, opCode, ShaderOper.Cr); - } - - public static void Fsetp_I(ShaderIrBlock block, long opCode, int position) - { - EmitFsetp(block, opCode, ShaderOper.Immf); - } - - public static void Fsetp_R(ShaderIrBlock block, long opCode, int position) - { - EmitFsetp(block, opCode, ShaderOper.Rr); - } - - public static void Hadd2_R(ShaderIrBlock block, long opCode, int position) - { - EmitBinaryHalfOp(block, opCode, ShaderIrInst.Fadd); - } - - public static void Hmul2_R(ShaderIrBlock block, long opCode, int position) - { - EmitBinaryHalfOp(block, opCode, ShaderIrInst.Fmul); - } - - public static void Iadd_C(ShaderIrBlock block, long opCode, int position) - { - EmitIadd(block, opCode, ShaderOper.Cr); - } - - public static void Iadd_I(ShaderIrBlock block, long opCode, int position) - { - EmitIadd(block, opCode, ShaderOper.Imm); - } - - public static void Iadd_I32(ShaderIrBlock block, long opCode, int position) - { - ShaderIrNode operA = opCode.Gpr8(); - ShaderIrNode operB = opCode.Imm32_20(); - - bool negA = opCode.Read(56); - - operA = GetAluIneg(operA, negA); - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Add, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - public static void Iadd_R(ShaderIrBlock block, long opCode, int position) - { - EmitIadd(block, opCode, ShaderOper.Rr); - } - - public static void Iadd3_C(ShaderIrBlock block, long opCode, int position) - { - EmitIadd3(block, opCode, ShaderOper.Cr); - } - - public static void Iadd3_I(ShaderIrBlock block, long opCode, int position) - { - EmitIadd3(block, opCode, ShaderOper.Imm); - } - - public static void Iadd3_R(ShaderIrBlock block, long opCode, int position) - { - EmitIadd3(block, opCode, ShaderOper.Rr); - } - - public static void Imnmx_C(ShaderIrBlock block, long opCode, int position) - { - EmitImnmx(block, opCode, ShaderOper.Cr); - } - - public static void Imnmx_I(ShaderIrBlock block, long opCode, int position) - { - EmitImnmx(block, opCode, ShaderOper.Imm); - } - - public static void Imnmx_R(ShaderIrBlock block, long opCode, int position) - { - EmitImnmx(block, opCode, ShaderOper.Rr); - } - - public static void Ipa(ShaderIrBlock block, long opCode, int position) - { - ShaderIrNode operA = opCode.Abuf28(); - ShaderIrNode operB = opCode.Gpr20(); - - ShaderIpaMode mode = (ShaderIpaMode)(opCode.Read(54, 3)); - - ShaderIrMetaIpa meta = new ShaderIrMetaIpa(mode); - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Ipa, operA, operB, null, meta); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - public static void Iscadd_C(ShaderIrBlock block, long opCode, int position) - { - EmitIscadd(block, opCode, ShaderOper.Cr); - } - - public static void Iscadd_I(ShaderIrBlock block, long opCode, int position) - { - EmitIscadd(block, opCode, ShaderOper.Imm); - } - - public static void Iscadd_R(ShaderIrBlock block, long opCode, int position) - { - EmitIscadd(block, opCode, ShaderOper.Rr); - } - - public static void Iset_C(ShaderIrBlock block, long opCode, int position) - { - EmitIset(block, opCode, ShaderOper.Cr); - } - - public static void Iset_I(ShaderIrBlock block, long opCode, int position) - { - EmitIset(block, opCode, ShaderOper.Imm); - } - - public static void Iset_R(ShaderIrBlock block, long opCode, int position) - { - EmitIset(block, opCode, ShaderOper.Rr); - } - - public static void Isetp_C(ShaderIrBlock block, long opCode, int position) - { - EmitIsetp(block, opCode, ShaderOper.Cr); - } - - public static void Isetp_I(ShaderIrBlock block, long opCode, int position) - { - EmitIsetp(block, opCode, ShaderOper.Imm); - } - - public static void Isetp_R(ShaderIrBlock block, long opCode, int position) - { - EmitIsetp(block, opCode, ShaderOper.Rr); - } - - public static void Lop_I32(ShaderIrBlock block, long opCode, int position) - { - int subOp = opCode.Read(53, 3); - - bool invA = opCode.Read(55); - bool invB = opCode.Read(56); - - ShaderIrInst inst = 0; - - switch (subOp) - { - case 0: inst = ShaderIrInst.And; break; - case 1: inst = ShaderIrInst.Or; break; - case 2: inst = ShaderIrInst.Xor; break; - } - - ShaderIrNode operB = GetAluNot(opCode.Imm32_20(), invB); - - //SubOp == 3 is pass, used by the not instruction - //which just moves the inverted register value. - if (subOp < 3) - { - ShaderIrNode operA = GetAluNot(opCode.Gpr8(), invA); - - ShaderIrOp op = new ShaderIrOp(inst, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - else - { - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), operB))); - } - } - - public static void Lop_C(ShaderIrBlock block, long opCode, int position) - { - EmitLop(block, opCode, ShaderOper.Cr); - } - - public static void Lop_I(ShaderIrBlock block, long opCode, int position) - { - EmitLop(block, opCode, ShaderOper.Imm); - } - - public static void Lop_R(ShaderIrBlock block, long opCode, int position) - { - EmitLop(block, opCode, ShaderOper.Rr); - } - - public static void Mufu(ShaderIrBlock block, long opCode, int position) - { - int subOp = opCode.Read(20, 0xf); - - bool absA = opCode.Read(46); - bool negA = opCode.Read(48); - - ShaderIrInst inst = 0; - - switch (subOp) - { - case 0: inst = ShaderIrInst.Fcos; break; - case 1: inst = ShaderIrInst.Fsin; break; - case 2: inst = ShaderIrInst.Fex2; break; - case 3: inst = ShaderIrInst.Flg2; break; - case 4: inst = ShaderIrInst.Frcp; break; - case 5: inst = ShaderIrInst.Frsq; break; - case 8: inst = ShaderIrInst.Fsqrt; break; - - default: throw new NotImplementedException(subOp.ToString()); - } - - ShaderIrNode operA = opCode.Gpr8(); - - ShaderIrOp op = new ShaderIrOp(inst, GetAluFabsFneg(operA, absA, negA)); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - public static void Psetp(ShaderIrBlock block, long opCode, int position) - { - bool negA = opCode.Read(15); - bool negB = opCode.Read(32); - bool negP = opCode.Read(42); - - ShaderIrInst lopInst = opCode.BLop24(); - - ShaderIrNode operA = opCode.Pred12(); - ShaderIrNode operB = opCode.Pred29(); - - if (negA) - { - operA = new ShaderIrOp(ShaderIrInst.Bnot, operA); - } - - if (negB) - { - operB = new ShaderIrOp(ShaderIrInst.Bnot, operB); - } - - ShaderIrOp op = new ShaderIrOp(lopInst, operA, operB); - - ShaderIrOperPred p0Node = opCode.Pred3(); - ShaderIrOperPred p1Node = opCode.Pred0(); - ShaderIrOperPred p2Node = opCode.Pred39(); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op))); - - lopInst = opCode.BLop45(); - - if (lopInst == ShaderIrInst.Band && p1Node.IsConst && p2Node.IsConst) - { - return; - } - - ShaderIrNode p2NNode = p2Node; - - if (negP) - { - p2NNode = new ShaderIrOp(ShaderIrInst.Bnot, p2NNode); - } - - op = new ShaderIrOp(ShaderIrInst.Bnot, p0Node); - - op = new ShaderIrOp(lopInst, op, p2NNode); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p1Node, op))); - - op = new ShaderIrOp(lopInst, p0Node, p2NNode); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op))); - } - - public static void Rro_C(ShaderIrBlock block, long opCode, int position) - { - EmitRro(block, opCode, ShaderOper.Cr); - } - - public static void Rro_I(ShaderIrBlock block, long opCode, int position) - { - EmitRro(block, opCode, ShaderOper.Immf); - } - - public static void Rro_R(ShaderIrBlock block, long opCode, int position) - { - EmitRro(block, opCode, ShaderOper.Rr); - } - - public static void Shl_C(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Cr, ShaderIrInst.Lsl); - } - - public static void Shl_I(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Imm, ShaderIrInst.Lsl); - } - - public static void Shl_R(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Rr, ShaderIrInst.Lsl); - } - - public static void Shr_C(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Cr, GetShrInst(opCode)); - } - - public static void Shr_I(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Imm, GetShrInst(opCode)); - } - - public static void Shr_R(ShaderIrBlock block, long opCode, int position) - { - EmitAluBinary(block, opCode, ShaderOper.Rr, GetShrInst(opCode)); - } - - private static ShaderIrInst GetShrInst(long opCode) - { - bool signed = opCode.Read(48); - - return signed ? ShaderIrInst.Asr : ShaderIrInst.Lsr; - } - - public static void Vmad(ShaderIrBlock block, long opCode, int position) - { - ShaderIrNode operA = opCode.Gpr8(); - - ShaderIrNode operB; - - if (opCode.Read(50)) - { - operB = opCode.Gpr20(); - } - else - { - operB = opCode.Imm19_20(); - } - - ShaderIrOperGpr operC = opCode.Gpr39(); - - ShaderIrNode tmp = new ShaderIrOp(ShaderIrInst.Mul, operA, operB); - - ShaderIrNode final = new ShaderIrOp(ShaderIrInst.Add, tmp, operC); - - int shr = opCode.Read(51, 3); - - if (shr != 0) - { - int shift = (shr == 2) ? 15 : 7; - - final = new ShaderIrOp(ShaderIrInst.Lsr, final, new ShaderIrOperImm(shift)); - } - - block.AddNode(new ShaderIrCmnt("Stubbed. Instruction is reduced to a * b + c")); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), final))); - } - - public static void Xmad_CR(ShaderIrBlock block, long opCode, int position) - { - EmitXmad(block, opCode, ShaderOper.Cr); - } - - public static void Xmad_I(ShaderIrBlock block, long opCode, int position) - { - EmitXmad(block, opCode, ShaderOper.Imm); - } - - public static void Xmad_RC(ShaderIrBlock block, long opCode, int position) - { - EmitXmad(block, opCode, ShaderOper.Rc); - } - - public static void Xmad_RR(ShaderIrBlock block, long opCode, int position) - { - EmitXmad(block, opCode, ShaderOper.Rr); - } - - private static void EmitAluBinary( - ShaderIrBlock block, - long opCode, - ShaderOper oper, - ShaderIrInst inst) - { - ShaderIrNode operA = opCode.Gpr8(), operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrNode op = new ShaderIrOp(inst, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - private static void EmitBfe(ShaderIrBlock block, long opCode, ShaderOper oper) - { - //TODO: Handle the case where position + length - //is greater than the word size, in this case the sign bit - //needs to be replicated to fill the remaining space. - bool negB = opCode.Read(48); - bool negA = opCode.Read(49); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrNode op; - - bool signed = opCode.Read(48); //? - - if (operB is ShaderIrOperImm posLen) - { - int position = (posLen.Value >> 0) & 0xff; - int length = (posLen.Value >> 8) & 0xff; - - int lSh = 32 - (position + length); - - ShaderIrInst rightShift = signed - ? ShaderIrInst.Asr - : ShaderIrInst.Lsr; - - op = new ShaderIrOp(ShaderIrInst.Lsl, operA, new ShaderIrOperImm(lSh)); - op = new ShaderIrOp(rightShift, op, new ShaderIrOperImm(lSh + position)); - } - else - { - ShaderIrOperImm shift = new ShaderIrOperImm(8); - ShaderIrOperImm mask = new ShaderIrOperImm(0xff); - - ShaderIrNode opPos, opLen; - - opPos = new ShaderIrOp(ShaderIrInst.And, operB, mask); - opLen = new ShaderIrOp(ShaderIrInst.Lsr, operB, shift); - opLen = new ShaderIrOp(ShaderIrInst.And, opLen, mask); - - op = new ShaderIrOp(ShaderIrInst.Lsr, operA, opPos); - - op = ExtendTo32(op, signed, opLen); - } - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - private static void EmitFadd(ShaderIrBlock block, long opCode, ShaderOper oper) - { - bool negB = opCode.Read(45); - bool absA = opCode.Read(46); - bool negA = opCode.Read(48); - bool absB = opCode.Read(49); - bool sat = opCode.Read(50); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - operA = GetAluFabsFneg(operA, absA, negA); - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operB = GetAluFabsFneg(operB, absB, negB); - - ShaderIrNode op = new ShaderIrOp(ShaderIrInst.Fadd, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), GetAluFsat(op, sat)))); - } - - private static void EmitFmul(ShaderIrBlock block, long opCode, ShaderOper oper) - { - bool negB = opCode.Read(48); - bool sat = opCode.Read(50); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operB = GetAluFneg(operB, negB); - - ShaderIrNode op = new ShaderIrOp(ShaderIrInst.Fmul, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), GetAluFsat(op, sat)))); - } - - private static void EmitFfma(ShaderIrBlock block, long opCode, ShaderOper oper) - { - bool negB = opCode.Read(48); - bool negC = opCode.Read(49); - bool sat = opCode.Read(50); - - ShaderIrNode operA = opCode.Gpr8(), operB, operC; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rc: operB = opCode.Gpr39(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operB = GetAluFneg(operB, negB); - - if (oper == ShaderOper.Rc) - { - operC = GetAluFneg(opCode.Cbuf34(), negC); - } - else - { - operC = GetAluFneg(opCode.Gpr39(), negC); - } - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Ffma, operA, operB, operC); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), GetAluFsat(op, sat)))); - } - - private static void EmitIadd(ShaderIrBlock block, long opCode, ShaderOper oper) - { - ShaderIrNode operA = opCode.Gpr8(); - ShaderIrNode operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - bool negA = opCode.Read(49); - bool negB = opCode.Read(48); - - operA = GetAluIneg(operA, negA); - operB = GetAluIneg(operB, negB); - - ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Add, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - private static void EmitIadd3(ShaderIrBlock block, long opCode, ShaderOper oper) - { - int mode = opCode.Read(37, 3); - - bool neg1 = opCode.Read(51); - bool neg2 = opCode.Read(50); - bool neg3 = opCode.Read(49); - - int height1 = opCode.Read(35, 3); - int height2 = opCode.Read(33, 3); - int height3 = opCode.Read(31, 3); - - ShaderIrNode operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrNode ApplyHeight(ShaderIrNode src, int height) - { - if (oper != ShaderOper.Rr) - { - return src; - } - - switch (height) - { - case 0: return src; - case 1: return new ShaderIrOp(ShaderIrInst.And, src, new ShaderIrOperImm(0xffff)); - case 2: return new ShaderIrOp(ShaderIrInst.Lsr, src, new ShaderIrOperImm(16)); - - default: throw new InvalidOperationException(); - } - } - - ShaderIrNode src1 = GetAluIneg(ApplyHeight(opCode.Gpr8(), height1), neg1); - ShaderIrNode src2 = GetAluIneg(ApplyHeight(operB, height2), neg2); - ShaderIrNode src3 = GetAluIneg(ApplyHeight(opCode.Gpr39(), height3), neg3); - - ShaderIrOp sum = new ShaderIrOp(ShaderIrInst.Add, src1, src2); - - if (oper == ShaderOper.Rr) - { - switch (mode) - { - case 1: sum = new ShaderIrOp(ShaderIrInst.Lsr, sum, new ShaderIrOperImm(16)); break; - case 2: sum = new ShaderIrOp(ShaderIrInst.Lsl, sum, new ShaderIrOperImm(16)); break; - } - } - - //Note: Here there should be a "+ 1" when carry flag is set - //but since carry is mostly ignored by other instructions, it's excluded for now - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), new ShaderIrOp(ShaderIrInst.Add, sum, src3)))); - } - - private static void EmitIscadd(ShaderIrBlock block, long opCode, ShaderOper oper) - { - bool negB = opCode.Read(48); - bool negA = opCode.Read(49); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - ShaderIrOperImm scale = opCode.Imm5_39(); - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operA = GetAluIneg(operA, negA); - operB = GetAluIneg(operB, negB); - - ShaderIrOp scaleOp = new ShaderIrOp(ShaderIrInst.Lsl, operA, scale); - ShaderIrOp addOp = new ShaderIrOp(ShaderIrInst.Add, operB, scaleOp); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), addOp))); - } - - private static void EmitFmnmx(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitMnmx(block, opCode, true, oper); - } - - private static void EmitImnmx(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitMnmx(block, opCode, false, oper); - } - - private static void EmitMnmx(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper) - { - bool negB = opCode.Read(45); - bool absA = opCode.Read(46); - bool negA = opCode.Read(48); - bool absB = opCode.Read(49); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - if (isFloat) - { - operA = GetAluFabsFneg(operA, absA, negA); - } - else - { - operA = GetAluIabsIneg(operA, absA, negA); - } - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - if (isFloat) - { - operB = GetAluFabsFneg(operB, absB, negB); - } - else - { - operB = GetAluIabsIneg(operB, absB, negB); - } - - ShaderIrOperPred pred = opCode.Pred39(); - - ShaderIrOp op; - - ShaderIrInst maxInst = isFloat ? ShaderIrInst.Fmax : ShaderIrInst.Max; - ShaderIrInst minInst = isFloat ? ShaderIrInst.Fmin : ShaderIrInst.Min; - - if (pred.IsConst) - { - bool isMax = opCode.Read(42); - - op = new ShaderIrOp(isMax - ? maxInst - : minInst, operA, operB); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - else - { - ShaderIrNode predN = opCode.Pred39N(); - - ShaderIrOp opMax = new ShaderIrOp(maxInst, operA, operB); - ShaderIrOp opMin = new ShaderIrOp(minInst, operA, operB); - - ShaderIrAsg asgMax = new ShaderIrAsg(opCode.Gpr0(), opMax); - ShaderIrAsg asgMin = new ShaderIrAsg(opCode.Gpr0(), opMin); - - block.AddNode(opCode.PredNode(new ShaderIrCond(predN, asgMax, not: true))); - block.AddNode(opCode.PredNode(new ShaderIrCond(predN, asgMin, not: false))); - } - } - - private static void EmitRro(ShaderIrBlock block, long opCode, ShaderOper oper) - { - //Note: this is a range reduction instruction and is supposed to - //be used with Mufu, here it just moves the value and ignores the operation. - bool negA = opCode.Read(45); - bool absA = opCode.Read(49); - - ShaderIrNode operA; - - switch (oper) - { - case ShaderOper.Cr: operA = opCode.Cbuf34(); break; - case ShaderOper.Immf: operA = opCode.Immf19_20(); break; - case ShaderOper.Rr: operA = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operA = GetAluFabsFneg(operA, absA, negA); - - block.AddNode(new ShaderIrCmnt("Stubbed.")); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), operA))); - } - - private static void EmitFset(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitSet(block, opCode, true, oper); - } - - private static void EmitIset(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitSet(block, opCode, false, oper); - } - - private static void EmitSet(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper) - { - bool negA = opCode.Read(43); - bool absB = opCode.Read(44); - bool negB = opCode.Read(53); - bool absA = opCode.Read(54); - - bool boolFloat = opCode.Read(isFloat ? 52 : 44); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrInst cmpInst; - - if (isFloat) - { - operA = GetAluFabsFneg(operA, absA, negA); - operB = GetAluFabsFneg(operB, absB, negB); - - cmpInst = opCode.CmpF(); - } - else - { - cmpInst = opCode.Cmp(); - } - - ShaderIrOp op = new ShaderIrOp(cmpInst, operA, operB); - - ShaderIrInst lopInst = opCode.BLop45(); - - ShaderIrOperPred pNode = opCode.Pred39(); - - ShaderIrNode imm0, imm1; - - if (boolFloat) - { - imm0 = new ShaderIrOperImmf(0); - imm1 = new ShaderIrOperImmf(1); - } - else - { - imm0 = new ShaderIrOperImm(0); - imm1 = new ShaderIrOperImm(-1); - } - - ShaderIrNode asg0 = new ShaderIrAsg(opCode.Gpr0(), imm0); - ShaderIrNode asg1 = new ShaderIrAsg(opCode.Gpr0(), imm1); - - if (lopInst != ShaderIrInst.Band || !pNode.IsConst) - { - ShaderIrOp op2 = new ShaderIrOp(lopInst, op, pNode); - - asg0 = new ShaderIrCond(op2, asg0, not: true); - asg1 = new ShaderIrCond(op2, asg1, not: false); - } - else - { - asg0 = new ShaderIrCond(op, asg0, not: true); - asg1 = new ShaderIrCond(op, asg1, not: false); - } - - block.AddNode(opCode.PredNode(asg0)); - block.AddNode(opCode.PredNode(asg1)); - } - - private static void EmitFsetp(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitSetp(block, opCode, true, oper); - } - - private static void EmitIsetp(ShaderIrBlock block, long opCode, ShaderOper oper) - { - EmitSetp(block, opCode, false, oper); - } - - private static void EmitSetp(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper) - { - bool absA = opCode.Read(7); - bool negP = opCode.Read(42); - bool negA = opCode.Read(43); - bool absB = opCode.Read(44); - - ShaderIrNode operA = opCode.Gpr8(), operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Immf: operB = opCode.Immf19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrInst cmpInst; - - if (isFloat) - { - operA = GetAluFabsFneg(operA, absA, negA); - operB = GetAluFabs (operB, absB); - - cmpInst = opCode.CmpF(); - } - else - { - cmpInst = opCode.Cmp(); - } - - ShaderIrOp op = new ShaderIrOp(cmpInst, operA, operB); - - ShaderIrOperPred p0Node = opCode.Pred3(); - ShaderIrOperPred p1Node = opCode.Pred0(); - ShaderIrOperPred p2Node = opCode.Pred39(); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op))); - - ShaderIrInst lopInst = opCode.BLop45(); - - if (lopInst == ShaderIrInst.Band && p1Node.IsConst && p2Node.IsConst) - { - return; - } - - ShaderIrNode p2NNode = p2Node; - - if (negP) - { - p2NNode = new ShaderIrOp(ShaderIrInst.Bnot, p2NNode); - } - - op = new ShaderIrOp(ShaderIrInst.Bnot, p0Node); - - op = new ShaderIrOp(lopInst, op, p2NNode); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p1Node, op))); - - op = new ShaderIrOp(lopInst, p0Node, p2NNode); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op))); - } - - private static void EmitBinaryHalfOp(ShaderIrBlock block, long opCode, ShaderIrInst inst) - { - bool absB = opCode.Read(30); - bool negB = opCode.Read(31); - bool sat = opCode.Read(32); - bool absA = opCode.Read(44); - - ShaderIrOperGpr[] vecA = opCode.GprHalfVec8(); - ShaderIrOperGpr[] vecB = opCode.GprHalfVec20(); - - HalfOutputType outputType = (HalfOutputType)opCode.Read(49, 3); - - int elems = outputType == HalfOutputType.PackedFp16 ? 2 : 1; - int first = outputType == HalfOutputType.MergeH1 ? 1 : 0; - - for (int index = first; index < elems; index++) - { - ShaderIrNode operA = GetAluFabs (vecA[index], absA); - ShaderIrNode operB = GetAluFabsFneg(vecB[index], absB, negB); - - ShaderIrNode op = new ShaderIrOp(inst, operA, operB); - - ShaderIrOperGpr dst = GetHalfDst(opCode, outputType, index); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, GetAluFsat(op, sat)))); - } - } - - private static ShaderIrOperGpr GetHalfDst(long opCode, HalfOutputType outputType, int index) - { - switch (outputType) - { - case HalfOutputType.PackedFp16: return opCode.GprHalf0(index); - case HalfOutputType.Fp32: return opCode.Gpr0(); - case HalfOutputType.MergeH0: return opCode.GprHalf0(0); - case HalfOutputType.MergeH1: return opCode.GprHalf0(1); - } - - throw new ArgumentException(nameof(outputType)); - } - - private static void EmitLop(ShaderIrBlock block, long opCode, ShaderOper oper) - { - int subOp = opCode.Read(41, 3); - - bool invA = opCode.Read(39); - bool invB = opCode.Read(40); - - ShaderIrInst inst = 0; - - switch (subOp) - { - case 0: inst = ShaderIrInst.And; break; - case 1: inst = ShaderIrInst.Or; break; - case 2: inst = ShaderIrInst.Xor; break; - } - - ShaderIrNode operA = GetAluNot(opCode.Gpr8(), invA); - ShaderIrNode operB; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.Imm19_20(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - operB = GetAluNot(operB, invB); - - ShaderIrNode op; - - if (subOp < 3) - { - op = new ShaderIrOp(inst, operA, operB); - } - else - { - op = operB; - } - - ShaderIrNode compare = new ShaderIrOp(ShaderIrInst.Cne, op, new ShaderIrOperImm(0)); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Pred48(), compare))); - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op))); - } - - private enum XmadMode - { - Cfull = 0, - Clo = 1, - Chi = 2, - Csfu = 3, - Cbcc = 4 - } - - private static void EmitXmad(ShaderIrBlock block, long opCode, ShaderOper oper) - { - bool signedA = opCode.Read(48); - bool signedB = opCode.Read(49); - bool highB = opCode.Read(52); - bool highA = opCode.Read(53); - - int mode = opCode.Read(50, 7); - - ShaderIrNode operA = opCode.Gpr8(), operB, operC; - - switch (oper) - { - case ShaderOper.Cr: operB = opCode.Cbuf34(); break; - case ShaderOper.Imm: operB = opCode.ImmU16_20(); break; - case ShaderOper.Rc: operB = opCode.Gpr39(); break; - case ShaderOper.Rr: operB = opCode.Gpr20(); break; - - default: throw new ArgumentException(nameof(oper)); - } - - ShaderIrNode operB2 = operB; - - if (oper == ShaderOper.Imm) - { - int imm = ((ShaderIrOperImm)operB2).Value; - - if (!highB) - { - imm <<= 16; - } - - if (signedB) - { - imm >>= 16; - } - else - { - imm = (int)((uint)imm >> 16); - } - - operB2 = new ShaderIrOperImm(imm); - } - - ShaderIrOperImm imm16 = new ShaderIrOperImm(16); - - //If we are working with the lower 16-bits of the A/B operands, - //we need to shift the lower 16-bits to the top 16-bits. Later, - //they will be right shifted. For U16 types, this will be a logical - //right shift, and for S16 types, a arithmetic right shift. - if (!highA) - { - operA = new ShaderIrOp(ShaderIrInst.Lsl, operA, imm16); - } - - if (!highB && oper != ShaderOper.Imm) - { - operB2 = new ShaderIrOp(ShaderIrInst.Lsl, operB2, imm16); - } - - ShaderIrInst shiftA = signedA ? ShaderIrInst.Asr : ShaderIrInst.Lsr; - ShaderIrInst shiftB = signedB ? ShaderIrInst.Asr : ShaderIrInst.Lsr; - - operA = new ShaderIrOp(shiftA, operA, imm16); - - if (oper != ShaderOper.Imm) - { - operB2 = new ShaderIrOp(shiftB, operB2, imm16); - } - - bool productShiftLeft = false; - bool merge = false; - - if (oper == ShaderOper.Rc) - { - operC = opCode.Cbuf34(); - } - else - { - operC = opCode.Gpr39(); - - productShiftLeft = opCode.Read(36); - merge = opCode.Read(37); - } - - ShaderIrOp mulOp = new ShaderIrOp(ShaderIrInst.Mul, operA, operB2); - - if (productShiftLeft) - { - mulOp = new ShaderIrOp(ShaderIrInst.Lsl, mulOp, imm16); - } - - switch ((XmadMode)mode) - { - case XmadMode.Clo: operC = ExtendTo32(operC, signed: false, size: 16); break; - - case XmadMode.Chi: operC = new ShaderIrOp(ShaderIrInst.Lsr, operC, imm16); break; - - case XmadMode.Cbcc: - { - ShaderIrOp operBLsh16 = new ShaderIrOp(ShaderIrInst.Lsl, operB, imm16); - - operC = new ShaderIrOp(ShaderIrInst.Add, operC, operBLsh16); - - break; - } - - case XmadMode.Csfu: - { - ShaderIrOperImm imm31 = new ShaderIrOperImm(31); - - ShaderIrOp signAdjustA = new ShaderIrOp(ShaderIrInst.Lsr, operA, imm31); - ShaderIrOp signAdjustB = new ShaderIrOp(ShaderIrInst.Lsr, operB2, imm31); - - signAdjustA = new ShaderIrOp(ShaderIrInst.Lsl, signAdjustA, imm16); - signAdjustB = new ShaderIrOp(ShaderIrInst.Lsl, signAdjustB, imm16); - - ShaderIrOp signAdjust = new ShaderIrOp(ShaderIrInst.Add, signAdjustA, signAdjustB); - - operC = new ShaderIrOp(ShaderIrInst.Sub, operC, signAdjust); - - break; - } - } - - ShaderIrOp addOp = new ShaderIrOp(ShaderIrInst.Add, mulOp, operC); - - if (merge) - { - ShaderIrOperImm imm16Mask = new ShaderIrOperImm(0xffff); - - addOp = new ShaderIrOp(ShaderIrInst.And, addOp, imm16Mask); - operB = new ShaderIrOp(ShaderIrInst.Lsl, operB, imm16); - addOp = new ShaderIrOp(ShaderIrInst.Or, addOp, operB); - } - - block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), addOp))); - } - } -}
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