forked from Mirror/Ryujinx
1f554c1093
* Renaming part 1 * Renaming part 2 * Renaming part 3 * Renaming part 4 * Renaming part 5 * Renaming part 6 * Renaming part 7 * Renaming part 8 * Renaming part 9 * Renaming part 10 * General cleanup * Thought I got all of these * Apply #595 * Additional renaming * Tweaks from feedback * Rename files
878 lines
No EOL
29 KiB
C#
878 lines
No EOL
29 KiB
C#
using Ryujinx.Graphics.Texture;
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using System;
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using static Ryujinx.Graphics.Gal.Shader.ShaderDecodeHelper;
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namespace Ryujinx.Graphics.Gal.Shader
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{
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static partial class ShaderDecode
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{
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// ReSharper disable InconsistentNaming
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private const int ____ = 0x0;
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private const int R___ = 0x1;
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private const int _G__ = 0x2;
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private const int RG__ = 0x3;
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private const int __B_ = 0x4;
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private const int RGB_ = 0x7;
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private const int ___A = 0x8;
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private const int R__A = 0x9;
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private const int _G_A = 0xa;
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private const int RG_A = 0xb;
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private const int __BA = 0xc;
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private const int R_BA = 0xd;
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private const int _GBA = 0xe;
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private const int RGBA = 0xf;
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// ReSharper restore InconsistentNaming
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private static int[,] _maskLut = new int[,]
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{
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{ ____, ____, ____, ____, ____, ____, ____, ____ },
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{ R___, _G__, __B_, ___A, RG__, R__A, _G_A, __BA },
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{ R___, _G__, __B_, ___A, RG__, ____, ____, ____ },
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{ RGB_, RG_A, R_BA, _GBA, RGBA, ____, ____, ____ }
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};
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private static GalTextureTarget TexToTextureTarget(int texType, bool isArray)
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{
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switch (texType)
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{
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case 0:
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return isArray ? GalTextureTarget.OneDArray : GalTextureTarget.OneD;
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case 2:
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return isArray ? GalTextureTarget.TwoDArray : GalTextureTarget.TwoD;
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case 4:
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if (isArray)
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throw new InvalidOperationException("ARRAY bit set on a TEX with 3D texture!");
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return GalTextureTarget.ThreeD;
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case 6:
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return isArray ? GalTextureTarget.CubeArray : GalTextureTarget.CubeMap;
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default:
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throw new InvalidOperationException();
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}
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}
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private static GalTextureTarget TexsToTextureTarget(int texType)
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{
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switch (texType)
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{
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case 0:
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return GalTextureTarget.OneD;
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case 2:
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case 4:
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case 6:
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case 8:
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case 0xa:
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case 0xc:
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return GalTextureTarget.TwoD;
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case 0xe:
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case 0x10:
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case 0x12:
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return GalTextureTarget.TwoDArray;
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case 0x14:
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case 0x16:
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return GalTextureTarget.ThreeD;
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case 0x18:
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case 0x1a:
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return GalTextureTarget.CubeMap;
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default:
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throw new InvalidOperationException();
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}
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}
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public static GalTextureTarget TldsToTextureTarget(int texType)
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{
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switch (texType)
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{
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case 0:
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case 2:
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return GalTextureTarget.OneD;
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case 4:
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case 8:
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case 0xa:
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case 0xc:
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case 0x18:
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return GalTextureTarget.TwoD;
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case 0x10:
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return GalTextureTarget.TwoDArray;
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case 0xe:
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return GalTextureTarget.ThreeD;
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default:
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throw new InvalidOperationException();
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}
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}
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public static void Ld_A(ShaderIrBlock block, long opCode, int position)
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{
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ShaderIrNode[] opers = opCode.Abuf20();
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//Used by GS
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ShaderIrOperGpr vertex = opCode.Gpr39();
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int index = 0;
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foreach (ShaderIrNode operA in opers)
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{
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ShaderIrOperGpr operD = opCode.Gpr0();
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operD.Index += index++;
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block.AddNode(opCode.PredNode(new ShaderIrAsg(operD, operA)));
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}
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}
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public static void Ld_C(ShaderIrBlock block, long opCode, int position)
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{
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int cbufPos = opCode.Read(22, 0x3fff);
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int cbufIndex = opCode.Read(36, 0x1f);
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int type = opCode.Read(48, 7);
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if (type > 5)
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{
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throw new InvalidOperationException();
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}
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ShaderIrOperGpr temp = ShaderIrOperGpr.MakeTemporary();
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block.AddNode(new ShaderIrAsg(temp, opCode.Gpr8()));
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int count = type == 5 ? 2 : 1;
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for (int index = 0; index < count; index++)
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{
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ShaderIrOperCbuf operA = new ShaderIrOperCbuf(cbufIndex, cbufPos, temp);
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ShaderIrOperGpr operD = opCode.Gpr0();
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operA.Pos += index;
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operD.Index += index;
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if (!operD.IsValidRegister)
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{
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break;
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}
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ShaderIrNode node = operA;
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if (type < 4)
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{
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//This is a 8 or 16 bits type.
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bool signed = (type & 1) != 0;
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int size = 8 << (type >> 1);
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node = ExtendTo32(node, signed, size);
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}
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block.AddNode(opCode.PredNode(new ShaderIrAsg(operD, node)));
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}
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}
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public static void St_A(ShaderIrBlock block, long opCode, int position)
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{
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ShaderIrNode[] opers = opCode.Abuf20();
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int index = 0;
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foreach (ShaderIrNode operA in opers)
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{
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ShaderIrOperGpr operD = opCode.Gpr0();
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operD.Index += index++;
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block.AddNode(opCode.PredNode(new ShaderIrAsg(operA, operD)));
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}
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}
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public static void Texq(ShaderIrBlock block, long opCode, int position)
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{
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ShaderIrNode operD = opCode.Gpr0();
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ShaderIrNode operA = opCode.Gpr8();
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ShaderTexqInfo info = (ShaderTexqInfo)(opCode.Read(22, 0x1f));
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ShaderIrMetaTexq meta0 = new ShaderIrMetaTexq(info, 0);
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ShaderIrMetaTexq meta1 = new ShaderIrMetaTexq(info, 1);
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ShaderIrNode operC = opCode.Imm13_36();
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ShaderIrOp op0 = new ShaderIrOp(ShaderIrInst.Texq, operA, null, operC, meta0);
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ShaderIrOp op1 = new ShaderIrOp(ShaderIrInst.Texq, operA, null, operC, meta1);
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block.AddNode(opCode.PredNode(new ShaderIrAsg(operD, op0)));
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block.AddNode(opCode.PredNode(new ShaderIrAsg(operA, op1))); //Is this right?
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}
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public static void Tex(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix;
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int rawSuffix = opCode.Read(0x34, 0x38);
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switch (rawSuffix)
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{
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case 0:
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suffix = TextureInstructionSuffix.None;
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break;
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case 0x8:
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suffix = TextureInstructionSuffix.Lz;
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break;
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case 0x10:
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suffix = TextureInstructionSuffix.Lb;
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break;
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case 0x18:
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suffix = TextureInstructionSuffix.Ll;
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break;
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case 0x30:
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suffix = TextureInstructionSuffix.Lba;
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break;
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case 0x38:
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suffix = TextureInstructionSuffix.Lla;
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break;
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default:
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throw new InvalidOperationException($"Invalid Suffix for TEX instruction {rawSuffix}");
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}
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bool isOffset = opCode.Read(0x36);
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if (isOffset)
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suffix |= TextureInstructionSuffix.AOffI;
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EmitTex(block, opCode, suffix, gprHandle: false);
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}
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public static void Tex_B(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix;
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int rawSuffix = opCode.Read(0x24, 0xe);
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switch (rawSuffix)
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{
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case 0:
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suffix = TextureInstructionSuffix.None;
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break;
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case 0x2:
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suffix = TextureInstructionSuffix.Lz;
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break;
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case 0x4:
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suffix = TextureInstructionSuffix.Lb;
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break;
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case 0x6:
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suffix = TextureInstructionSuffix.Ll;
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break;
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case 0xc:
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suffix = TextureInstructionSuffix.Lba;
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break;
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case 0xe:
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suffix = TextureInstructionSuffix.Lla;
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break;
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default:
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throw new InvalidOperationException($"Invalid Suffix for TEX.B instruction {rawSuffix}");
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}
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bool isOffset = opCode.Read(0x23);
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if (isOffset)
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suffix |= TextureInstructionSuffix.AOffI;
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EmitTex(block, opCode, suffix, gprHandle: true);
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}
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private static void EmitTex(ShaderIrBlock block, long opCode, TextureInstructionSuffix textureInstructionSuffix, bool gprHandle)
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{
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bool isArray = opCode.HasArray();
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GalTextureTarget textureTarget = TexToTextureTarget(opCode.Read(28, 6), isArray);
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bool hasDepthCompare = opCode.Read(0x32);
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if (hasDepthCompare)
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{
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textureInstructionSuffix |= TextureInstructionSuffix.Dc;
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}
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ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureTarget)];
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int indexExtraCoord = 0;
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if (isArray)
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{
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indexExtraCoord++;
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coords[coords.Length - 1] = opCode.Gpr8();
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}
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for (int index = 0; index < coords.Length - indexExtraCoord; index++)
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{
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ShaderIrOperGpr coordReg = opCode.Gpr8();
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coordReg.Index += index;
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coordReg.Index += indexExtraCoord;
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if (!coordReg.IsValidRegister)
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{
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coordReg.Index = ShaderIrOperGpr.ZrIndex;
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}
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coords[index] = coordReg;
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}
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int chMask = opCode.Read(31, 0xf);
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ShaderIrOperGpr levelOfDetail = null;
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ShaderIrOperGpr offset = null;
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ShaderIrOperGpr depthCompare = null;
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// TODO: determine first argument when TEX.B is used
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int operBIndex = gprHandle ? 1 : 0;
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if ((textureInstructionSuffix & TextureInstructionSuffix.Ll) != 0 ||
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(textureInstructionSuffix & TextureInstructionSuffix.Lb) != 0 ||
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(textureInstructionSuffix & TextureInstructionSuffix.Lba) != 0 ||
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(textureInstructionSuffix & TextureInstructionSuffix.Lla) != 0)
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{
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levelOfDetail = opCode.Gpr20();
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levelOfDetail.Index += operBIndex;
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operBIndex++;
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}
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if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
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{
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offset = opCode.Gpr20();
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offset.Index += operBIndex;
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operBIndex++;
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}
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if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
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{
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depthCompare = opCode.Gpr20();
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depthCompare.Index += operBIndex;
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operBIndex++;
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}
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// ???
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ShaderIrNode operC = gprHandle
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? (ShaderIrNode)opCode.Gpr20()
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: (ShaderIrNode)opCode.Imm13_36();
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ShaderIrInst inst = gprHandle ? ShaderIrInst.Texb : ShaderIrInst.Texs;
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coords = CoordsRegistersToTempRegisters(block, coords);
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int regInc = 0;
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for (int ch = 0; ch < 4; ch++)
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{
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if (!IsChannelUsed(chMask, ch))
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{
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continue;
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}
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ShaderIrOperGpr dst = opCode.Gpr0();
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dst.Index += regInc++;
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if (!dst.IsValidRegister || dst.IsConst)
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{
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continue;
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}
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ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureTarget, textureInstructionSuffix, coords)
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{
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LevelOfDetail = levelOfDetail,
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Offset = offset,
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DepthCompare = depthCompare
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};
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ShaderIrOp op = new ShaderIrOp(inst, coords[0], coords.Length > 1 ? coords[1] : null, operC, meta);
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block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
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}
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}
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public static void Texs(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix;
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int rawSuffix = opCode.Read(0x34, 0x1e);
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switch (rawSuffix)
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{
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case 0:
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case 0x4:
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case 0x10:
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case 0x16:
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suffix = TextureInstructionSuffix.Lz;
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break;
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case 0x6:
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case 0x1a:
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suffix = TextureInstructionSuffix.Ll;
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break;
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case 0x8:
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suffix = TextureInstructionSuffix.Dc;
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break;
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case 0x2:
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case 0xe:
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case 0x14:
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case 0x18:
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suffix = TextureInstructionSuffix.None;
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break;
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case 0xa:
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suffix = TextureInstructionSuffix.Ll | TextureInstructionSuffix.Dc;
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break;
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case 0xc:
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case 0x12:
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suffix = TextureInstructionSuffix.Lz | TextureInstructionSuffix.Dc;
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break;
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default:
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throw new InvalidOperationException($"Invalid Suffix for TEXS instruction {rawSuffix}");
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}
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GalTextureTarget textureTarget = TexsToTextureTarget(opCode.Read(52, 0x1e));
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EmitTexs(block, opCode, ShaderIrInst.Texs, textureTarget, suffix);
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}
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public static void Tlds(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix;
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int rawSuffix = opCode.Read(0x34, 0x1e);
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switch (rawSuffix)
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{
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case 0:
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case 0x4:
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case 0x8:
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suffix = TextureInstructionSuffix.Lz | TextureInstructionSuffix.AOffI;
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break;
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case 0xc:
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suffix = TextureInstructionSuffix.Lz | TextureInstructionSuffix.Mz;
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break;
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case 0xe:
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case 0x10:
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suffix = TextureInstructionSuffix.Lz;
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break;
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case 0x2:
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case 0xa:
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suffix = TextureInstructionSuffix.Ll;
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break;
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case 0x18:
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suffix = TextureInstructionSuffix.Ll | TextureInstructionSuffix.AOffI;
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break;
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default:
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throw new InvalidOperationException($"Invalid Suffix for TLDS instruction {rawSuffix}");
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}
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GalTextureTarget textureTarget = TldsToTextureTarget(opCode.Read(52, 0x1e));
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EmitTexs(block, opCode, ShaderIrInst.Txlf, textureTarget, suffix);
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}
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public static void Tld4(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix;
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int rawSuffix = opCode.Read(0x34, 0xc);
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switch (rawSuffix)
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{
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case 0:
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suffix = TextureInstructionSuffix.None;
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break;
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case 0x4:
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suffix = TextureInstructionSuffix.AOffI;
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break;
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case 0x8:
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suffix = TextureInstructionSuffix.Ptp;
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break;
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default:
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throw new InvalidOperationException($"Invalid Suffix for TLD4 instruction {rawSuffix}");
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}
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bool isShadow = opCode.Read(0x32);
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bool isArray = opCode.HasArray();
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int chMask = opCode.Read(31, 0xf);
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GalTextureTarget textureTarget = TexToTextureTarget(opCode.Read(28, 6), isArray);
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if (isShadow)
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{
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suffix |= TextureInstructionSuffix.Dc;
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}
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EmitTld4(block, opCode, textureTarget, suffix, chMask, opCode.Read(0x38, 0x3), false);
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}
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public static void Tld4S(ShaderIrBlock block, long opCode, int position)
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{
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TextureInstructionSuffix suffix = TextureInstructionSuffix.None;
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bool isOffset = opCode.Read(0x33);
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bool isShadow = opCode.Read(0x32);
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if (isOffset)
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{
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suffix |= TextureInstructionSuffix.AOffI;
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}
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if (isShadow)
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{
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suffix |= TextureInstructionSuffix.Dc;
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}
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// TLD4S seems to only support 2D textures with RGBA mask?
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EmitTld4(block, opCode, GalTextureTarget.TwoD, suffix, RGBA, opCode.Read(0x34, 0x3), true);
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}
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private static void EmitTexs(ShaderIrBlock block,
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long opCode,
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ShaderIrInst inst,
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GalTextureTarget textureTarget,
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TextureInstructionSuffix textureInstructionSuffix)
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{
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if (inst == ShaderIrInst.Txlf && textureTarget == GalTextureTarget.CubeArray)
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{
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throw new InvalidOperationException("TLDS instructions cannot use CUBE modifier!");
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}
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bool isArray = ImageUtils.IsArray(textureTarget);
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ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureTarget)];
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ShaderIrOperGpr operA = opCode.Gpr8();
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ShaderIrOperGpr operB = opCode.Gpr20();
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ShaderIrOperGpr suffixExtra = opCode.Gpr20();
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suffixExtra.Index += 1;
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int coordStartIndex = 0;
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if (isArray)
|
|
{
|
|
coordStartIndex++;
|
|
coords[coords.Length - 1] = opCode.Gpr8();
|
|
}
|
|
|
|
switch (coords.Length - coordStartIndex)
|
|
{
|
|
case 1:
|
|
coords[0] = opCode.Gpr8();
|
|
|
|
break;
|
|
case 2:
|
|
coords[0] = opCode.Gpr8();
|
|
coords[0].Index += coordStartIndex;
|
|
|
|
break;
|
|
case 3:
|
|
coords[0] = opCode.Gpr8();
|
|
coords[0].Index += coordStartIndex;
|
|
|
|
coords[1] = opCode.Gpr8();
|
|
coords[1].Index += 1 + coordStartIndex;
|
|
|
|
break;
|
|
default:
|
|
throw new NotSupportedException($"{coords.Length - coordStartIndex} coords textures aren't supported in TEXS");
|
|
}
|
|
|
|
int operBIndex = 0;
|
|
|
|
ShaderIrOperGpr levelOfDetail = null;
|
|
ShaderIrOperGpr offset = null;
|
|
ShaderIrOperGpr depthCompare = null;
|
|
|
|
// OperB is always the last value
|
|
// Not applicable to 1d textures
|
|
if (coords.Length - coordStartIndex != 1)
|
|
{
|
|
coords[coords.Length - coordStartIndex - 1] = operB;
|
|
operBIndex++;
|
|
}
|
|
|
|
// Encoding of TEXS/TLDS is a bit special and change for 2d textures
|
|
// NOTE: OperA seems to hold at best two args.
|
|
// On 2D textures, if no suffix need an additional values, Y is stored in OperB, otherwise coords are in OperA and the additional values is in OperB.
|
|
if (textureInstructionSuffix != TextureInstructionSuffix.None && textureInstructionSuffix != TextureInstructionSuffix.Lz && textureTarget == GalTextureTarget.TwoD)
|
|
{
|
|
coords[coords.Length - coordStartIndex - 1] = opCode.Gpr8();
|
|
coords[coords.Length - coordStartIndex - 1].Index += coords.Length - coordStartIndex - 1;
|
|
operBIndex--;
|
|
}
|
|
|
|
// TODO: Find what MZ does and what changes about the encoding (Maybe Multisample?)
|
|
if ((textureInstructionSuffix & TextureInstructionSuffix.Ll) != 0)
|
|
{
|
|
levelOfDetail = opCode.Gpr20();
|
|
levelOfDetail.Index += operBIndex;
|
|
operBIndex++;
|
|
}
|
|
|
|
if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
|
|
{
|
|
offset = opCode.Gpr20();
|
|
offset.Index += operBIndex;
|
|
operBIndex++;
|
|
}
|
|
|
|
if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
|
|
{
|
|
depthCompare = opCode.Gpr20();
|
|
depthCompare.Index += operBIndex;
|
|
operBIndex++;
|
|
}
|
|
|
|
int lutIndex;
|
|
|
|
lutIndex = !opCode.Gpr0().IsConst ? 1 : 0;
|
|
lutIndex |= !opCode.Gpr28().IsConst ? 2 : 0;
|
|
|
|
if (lutIndex == 0)
|
|
{
|
|
//Both destination registers are RZ, do nothing.
|
|
return;
|
|
}
|
|
|
|
bool fp16 = !opCode.Read(59);
|
|
|
|
int dstIncrement = 0;
|
|
|
|
ShaderIrOperGpr GetDst()
|
|
{
|
|
ShaderIrOperGpr dst;
|
|
|
|
if (fp16)
|
|
{
|
|
//FP16 mode, two components are packed on the two
|
|
//halfs of a 32-bits register, as two half-float values.
|
|
int halfPart = dstIncrement & 1;
|
|
|
|
switch (lutIndex)
|
|
{
|
|
case 1: dst = opCode.GprHalf0(halfPart); break;
|
|
case 2: dst = opCode.GprHalf28(halfPart); break;
|
|
case 3: dst = (dstIncrement >> 1) != 0
|
|
? opCode.GprHalf28(halfPart)
|
|
: opCode.GprHalf0(halfPart); break;
|
|
|
|
default: throw new InvalidOperationException();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//32-bits mode, each component uses one register.
|
|
//Two components uses two consecutive registers.
|
|
switch (lutIndex)
|
|
{
|
|
case 1: dst = opCode.Gpr0(); break;
|
|
case 2: dst = opCode.Gpr28(); break;
|
|
case 3: dst = (dstIncrement >> 1) != 0
|
|
? opCode.Gpr28()
|
|
: opCode.Gpr0(); break;
|
|
|
|
default: throw new InvalidOperationException();
|
|
}
|
|
|
|
dst.Index += dstIncrement & 1;
|
|
}
|
|
|
|
dstIncrement++;
|
|
|
|
return dst;
|
|
}
|
|
|
|
int chMask = _maskLut[lutIndex, opCode.Read(50, 7)];
|
|
|
|
if (chMask == 0)
|
|
{
|
|
//All channels are disabled, do nothing.
|
|
return;
|
|
}
|
|
|
|
ShaderIrNode operC = opCode.Imm13_36();
|
|
coords = CoordsRegistersToTempRegisters(block, coords);
|
|
|
|
for (int ch = 0; ch < 4; ch++)
|
|
{
|
|
if (!IsChannelUsed(chMask, ch))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureTarget, textureInstructionSuffix, coords)
|
|
{
|
|
LevelOfDetail = levelOfDetail,
|
|
Offset = offset,
|
|
DepthCompare = depthCompare
|
|
};
|
|
ShaderIrOp op = new ShaderIrOp(inst, operA, operB, operC, meta);
|
|
|
|
ShaderIrOperGpr dst = GetDst();
|
|
|
|
if (dst.IsValidRegister && !dst.IsConst)
|
|
{
|
|
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void EmitTld4(ShaderIrBlock block, long opCode, GalTextureTarget textureType, TextureInstructionSuffix textureInstructionSuffix, int chMask, int component, bool scalar)
|
|
{
|
|
ShaderIrOperGpr operA = opCode.Gpr8();
|
|
ShaderIrOperGpr operB = opCode.Gpr20();
|
|
ShaderIrOperImm operC = opCode.Imm13_36();
|
|
|
|
ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureType)];
|
|
|
|
ShaderIrOperGpr offset = null;
|
|
ShaderIrOperGpr depthCompare = null;
|
|
|
|
bool isArray = ImageUtils.IsArray(textureType);
|
|
|
|
int operBIndex = 0;
|
|
|
|
if (scalar)
|
|
{
|
|
int coordStartIndex = 0;
|
|
|
|
if (isArray)
|
|
{
|
|
coordStartIndex++;
|
|
coords[coords.Length - 1] = operB;
|
|
}
|
|
|
|
switch (coords.Length - coordStartIndex)
|
|
{
|
|
case 1:
|
|
coords[0] = opCode.Gpr8();
|
|
|
|
break;
|
|
case 2:
|
|
coords[0] = opCode.Gpr8();
|
|
coords[0].Index += coordStartIndex;
|
|
|
|
break;
|
|
case 3:
|
|
coords[0] = opCode.Gpr8();
|
|
coords[0].Index += coordStartIndex;
|
|
|
|
coords[1] = opCode.Gpr8();
|
|
coords[1].Index += 1 + coordStartIndex;
|
|
|
|
break;
|
|
default:
|
|
throw new NotSupportedException($"{coords.Length - coordStartIndex} coords textures aren't supported in TLD4S");
|
|
}
|
|
|
|
if (coords.Length - coordStartIndex != 1)
|
|
{
|
|
coords[coords.Length - coordStartIndex - 1] = operB;
|
|
operBIndex++;
|
|
}
|
|
|
|
if (textureInstructionSuffix != TextureInstructionSuffix.None && textureType == GalTextureTarget.TwoD)
|
|
{
|
|
coords[coords.Length - coordStartIndex - 1] = opCode.Gpr8();
|
|
coords[coords.Length - coordStartIndex - 1].Index += coords.Length - coordStartIndex - 1;
|
|
operBIndex--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int indexExtraCoord = 0;
|
|
|
|
if (isArray)
|
|
{
|
|
indexExtraCoord++;
|
|
|
|
coords[coords.Length - 1] = opCode.Gpr8();
|
|
}
|
|
|
|
for (int index = 0; index < coords.Length - indexExtraCoord; index++)
|
|
{
|
|
coords[index] = opCode.Gpr8();
|
|
|
|
coords[index].Index += index;
|
|
|
|
coords[index].Index += indexExtraCoord;
|
|
|
|
if (coords[index].Index > ShaderIrOperGpr.ZrIndex)
|
|
{
|
|
coords[index].Index = ShaderIrOperGpr.ZrIndex;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
|
|
{
|
|
offset = opCode.Gpr20();
|
|
offset.Index += operBIndex;
|
|
operBIndex++;
|
|
}
|
|
|
|
if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
|
|
{
|
|
depthCompare = opCode.Gpr20();
|
|
depthCompare.Index += operBIndex;
|
|
operBIndex++;
|
|
}
|
|
|
|
coords = CoordsRegistersToTempRegisters(block, coords);
|
|
|
|
int regInc = 0;
|
|
|
|
for (int ch = 0; ch < 4; ch++)
|
|
{
|
|
if (!IsChannelUsed(chMask, ch))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ShaderIrOperGpr dst = opCode.Gpr0();
|
|
|
|
dst.Index += regInc++;
|
|
|
|
if (!dst.IsValidRegister || dst.IsConst)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureType, textureInstructionSuffix, coords)
|
|
{
|
|
Component = component,
|
|
Offset = offset,
|
|
DepthCompare = depthCompare
|
|
};
|
|
|
|
ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Tld4, operA, operB, operC, meta);
|
|
|
|
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
|
|
}
|
|
}
|
|
|
|
private static bool IsChannelUsed(int chMask, int ch)
|
|
{
|
|
return (chMask & (1 << ch)) != 0;
|
|
}
|
|
|
|
private static ShaderIrOperGpr[] CoordsRegistersToTempRegisters(ShaderIrBlock block, params ShaderIrOperGpr[] registers)
|
|
{
|
|
ShaderIrOperGpr[] res = new ShaderIrOperGpr[registers.Length];
|
|
|
|
for (int index = 0; index < res.Length; index++)
|
|
{
|
|
res[index] = ShaderIrOperGpr.MakeTemporary(index);
|
|
block.AddNode(new ShaderIrAsg(res[index], registers[index]));
|
|
}
|
|
|
|
return res;
|
|
}
|
|
}
|
|
} |