Merge shader branch, adding support for GLSL decompilation, a macro

interpreter, and a rewrite of the GPU code.
2018-04-08 16:17:35 -03:00 · 2018-04-08 16:17:35 -03:00 · b9aa3966c0
commit b9aa3966c0
parent 7acd0e0122
77 changed files with 5301 additions and 766 deletions
--- a/Ryujinx.Graphics/Gal/Shader/ShaderDecodeMove.cs
+++ b/Ryujinx.Graphics/Gal/Shader/ShaderDecodeMove.cs
@ -0,0 +1,128 @@
+using System;
+
+using static Ryujinx.Graphics.Gal.Shader.ShaderDecodeHelper;
+
+namespace Ryujinx.Graphics.Gal.Shader
+{
+    static partial class ShaderDecode
+    {
+        private enum IntType
+        {
+            U8  = 0,
+            U16 = 1,
+            U32 = 2,
+            U64 = 3,
+            S8  = 4,
+            S16 = 5,
+            S32 = 6,
+            S64 = 7
+        }
+
+        private enum FloatType
+        {
+            F16 = 1,
+            F32 = 2,
+            F64 = 3
+        }
+
+        public static void I2f_C(ShaderIrBlock Block, long OpCode)
+        {
+            EmitI2f(Block, OpCode, ShaderOper.CR);
+        }
+
+        public static void I2f_I(ShaderIrBlock Block, long OpCode)
+        {
+            EmitI2f(Block, OpCode, ShaderOper.Imm);
+        }
+
+        public static void I2f_R(ShaderIrBlock Block, long OpCode)
+        {
+            EmitI2f(Block, OpCode, ShaderOper.RR);
+        }
+
+        private static void EmitI2f(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
+        {
+            IntType Type = GetIntType(OpCode);
+
+            if (Type == IntType.U64 ||
+                Type == IntType.S64)
+            {
+                //TODO: 64-bits support.
+                //Note: GLSL doesn't support 64-bits integers.
+                throw new NotImplementedException();
+            }
+
+            int Sel = (int)(OpCode >> 41) & 3;
+
+            bool Na = ((OpCode >> 45) & 1) != 0;
+            bool Aa = ((OpCode >> 49) & 1) != 0;
+
+            ShaderIrNode OperA;
+
+            switch (Oper)
+            {
+                case ShaderOper.CR:  OperA = GetOperCbuf34  (OpCode); break;
+                case ShaderOper.Imm: OperA = GetOperImm19_20(OpCode); break;
+                case ShaderOper.RR:  OperA = GetOperGpr20   (OpCode); break;
+
+                default: throw new ArgumentException(nameof(Oper));
+            }
+
+            OperA = GetAluAbsNeg(OperA, Aa, Na);
+
+            bool Signed = Type >= IntType.S8;
+
+            int Shift = Sel * 8;
+
+            int Size = 8 << ((int)Type & 3);
+
+            ulong Mask = ulong.MaxValue >> (64 - Size);
+
+            int Mask32 = (int)Mask;
+
+            if (Shift != 0)
+            {
+                OperA = new ShaderIrOp(ShaderIrInst.Asr, OperA, new ShaderIrOperImm(Shift));
+            }
+
+            if (Mask != uint.MaxValue)
+            {
+                OperA = new ShaderIrOp(ShaderIrInst.And, OperA, new ShaderIrOperImm(Mask32));
+            }
+
+            ShaderIrInst Inst = Signed
+                ? ShaderIrInst.Stof
+                : ShaderIrInst.Utof;
+
+            ShaderIrNode Op = new ShaderIrOp(Inst, OperA);
+
+            Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
+        }
+
+        public static void Mov32i(ShaderIrBlock Block, long OpCode)
+        {
+            ShaderIrOperImm Imm = GetOperImm32_20(OpCode);
+
+            Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Imm), OpCode));
+        }
+
+        private static IntType GetIntType(long OpCode)
+        {
+            bool Signed = ((OpCode >> 13) & 1) != 0;
+
+            IntType Type = (IntType)((OpCode >> 10) & 3);
+
+            if (Signed)
+            {
+                Type += (int)IntType.S8;
+            }
+
+            return Type;
+        }
+
+        private static FloatType GetFloatType(long OpCode)
+        {
+            return (FloatType)((OpCode >> 8) & 3);
+        }
+    }
+}