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gdk 2019-10-13 03:02:07 -03:00 • committed by Thog
parent f617fb542a
commit 1876b346fe
518 changed files with 15170 additions and 12486 deletions
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325
Ryujinx.Graphics.Shader/Instructions/InstEmitMemory.cs Normal file
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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 Ald(EmitterContext context)
{
OpCodeAttribute op = (OpCodeAttribute)context.CurrOp;
Operand primVertex = context.Copy(GetSrcC(context));
for (int index = 0; index < op.Count; index++)
{
Register rd = new Register(op.Rd.Index + index, RegisterType.Gpr);
if (rd.IsRZ)
{
break;
}
Operand src = Attribute(op.AttributeOffset + index * 4);
context.Copy(Register(rd), context.LoadAttribute(src, primVertex));
}
}
public static void Ast(EmitterContext context)
{
OpCodeAttribute op = (OpCodeAttribute)context.CurrOp;
for (int index = 0; index < op.Count; index++)
{
if (op.Rd.Index + index > RegisterConsts.RegisterZeroIndex)
{
break;
}
Register rd = new Register(op.Rd.Index + index, RegisterType.Gpr);
Operand dest = Attribute(op.AttributeOffset + index * 4);
context.Copy(dest, Register(rd));
}
}
public static void Ipa(EmitterContext context)
{
OpCodeIpa op = (OpCodeIpa)context.CurrOp;
InterpolationQualifier iq = InterpolationQualifier.None;
switch (op.Mode)
{
case InterpolationMode.Pass: iq = InterpolationQualifier.NoPerspective; break;
}
Operand srcA = Attribute(op.AttributeOffset, iq);
Operand srcB = GetSrcB(context);
Operand res = context.FPSaturate(srcA, op.Saturate);
context.Copy(GetDest(context), res);
}
public static void Isberd(EmitterContext context)
{
// This instruction performs a load from ISBE memory,
// however it seems to be only used to get some vertex
// input data, so we instead propagate the offset so that
// it can be used on the attribute load.
context.Copy(GetDest(context), GetSrcA(context));
}
public static void Ld(EmitterContext context)
{
LoadLocalOrGlobal(context, isGlobal: false);
}
public static void Ldc(EmitterContext context)
{
OpCodeLdc op = (OpCodeLdc)context.CurrOp;
if (op.Size > IntegerSize.B64)
{
// TODO: Warning.
}
bool isSmallInt = op.Size < IntegerSize.B32;
int count = op.Size == IntegerSize.B64 ? 2 : 1;
Operand wordOffset = context.ShiftRightU32(GetSrcA(context), Const(2));
wordOffset = context.IAdd(wordOffset, Const(op.Offset));
Operand bitOffset = GetBitOffset(context, GetSrcA(context));
for (int index = 0; index < count; index++)
{
Register rd = new Register(op.Rd.Index + index, RegisterType.Gpr);
if (rd.IsRZ)
{
break;
}
Operand offset = context.IAdd(wordOffset, Const(index));
Operand value = context.LoadConstant(Const(op.Slot), offset);
if (isSmallInt)
{
value = ExtractSmallInt(context, op.Size, wordOffset, value);
}
context.Copy(Register(rd), value);
}
}
public static void Ldg(EmitterContext context)
{
LoadLocalOrGlobal(context, isGlobal: true);
}
public static void Out(EmitterContext context)
{
OpCode op = context.CurrOp;
bool emit = op.RawOpCode.Extract(39);
bool cut = op.RawOpCode.Extract(40);
if (!(emit || cut))
{
// TODO: Warning.
}
if (emit)
{
context.EmitVertex();
}
if (cut)
{
context.EndPrimitive();
}
}
public static void St(EmitterContext context)
{
StoreLocalOrGlobal(context, isGlobal: false);
}
public static void Stg(EmitterContext context)
{
StoreLocalOrGlobal(context, isGlobal: true);
}
private static void LoadLocalOrGlobal(EmitterContext context, bool isGlobal)
{
OpCodeMemory op = (OpCodeMemory)context.CurrOp;
if (op.Size > IntegerSize.B128)
{
// TODO: Warning.
}
bool isSmallInt = op.Size < IntegerSize.B32;
int count = 1;
switch (op.Size)
{
case IntegerSize.B64: count = 2; break;
case IntegerSize.B128: count = 4; break;
}
Operand baseOffset = context.IAdd(GetSrcA(context), Const(op.Offset));
// Word offset = byte offset / 4 (one word = 4 bytes).
Operand wordOffset = context.ShiftRightU32(baseOffset, Const(2));
Operand bitOffset = GetBitOffset(context, baseOffset);
for (int index = 0; index < count; index++)
{
Register rd = new Register(op.Rd.Index + index, RegisterType.Gpr);
if (rd.IsRZ)
{
break;
}
Operand offset = context.IAdd(wordOffset, Const(index));
Operand value = isGlobal
? context.LoadGlobal(offset)
: context.LoadLocal (offset);
if (isSmallInt)
{
value = ExtractSmallInt(context, op.Size, bitOffset, value);
}
context.Copy(Register(rd), value);
}
}
private static void StoreLocalOrGlobal(EmitterContext context, bool isGlobal)
{
OpCodeMemory op = (OpCodeMemory)context.CurrOp;
if (op.Size > IntegerSize.B128)
{
// TODO: Warning.
}
bool isSmallInt = op.Size < IntegerSize.B32;
int count = 1;
switch (op.Size)
{
case IntegerSize.B64: count = 2; break;
case IntegerSize.B128: count = 4; break;
}
Operand baseOffset = context.IAdd(GetSrcA(context), Const(op.Offset));
Operand wordOffset = context.ShiftRightU32(baseOffset, Const(2));
Operand bitOffset = GetBitOffset(context, baseOffset);
for (int index = 0; index < count; index++)
{
Register rd = new Register(op.Rd.Index + index, RegisterType.Gpr);
if (rd.IsRZ)
{
break;
}
Operand value = Register(rd);
Operand offset = context.IAdd(wordOffset, Const(index));
if (isSmallInt)
{
Operand word = isGlobal
? context.LoadGlobal(offset)
: context.LoadLocal (offset);
value = InsertSmallInt(context, op.Size, bitOffset, word, value);
}
if (isGlobal)
{
context.StoreGlobal(offset, value);
}
else
{
context.StoreLocal(offset, value);
}
}
}
private static Operand GetBitOffset(EmitterContext context, Operand baseOffset)
{
// Note: byte offset = (baseOffset & 0b11) * 8.
// Addresses should be always aligned to the integer type,
// so we don't need to take unaligned addresses into account.
return context.ShiftLeft(context.BitwiseAnd(baseOffset, Const(3)), Const(3));
}
private static Operand ExtractSmallInt(
EmitterContext context,
IntegerSize size,
Operand bitOffset,
Operand value)
{
value = context.ShiftRightU32(value, bitOffset);
switch (size)
{
case IntegerSize.U8: value = ZeroExtendTo32(context, value, 8); break;
case IntegerSize.U16: value = ZeroExtendTo32(context, value, 16); break;
case IntegerSize.S8: value = SignExtendTo32(context, value, 8); break;
case IntegerSize.S16: value = SignExtendTo32(context, value, 16); break;
}
return value;
}
private static Operand InsertSmallInt(
EmitterContext context,
IntegerSize size,
Operand bitOffset,
Operand word,
Operand value)
{
switch (size)
{
case IntegerSize.U8:
case IntegerSize.S8:
value = context.BitwiseAnd(value, Const(0xff));
value = context.BitfieldInsert(word, value, bitOffset, Const(8));
break;
case IntegerSize.U16:
case IntegerSize.S16:
value = context.BitwiseAnd(value, Const(0xffff));
value = context.BitfieldInsert(word, value, bitOffset, Const(16));
break;
}
return value;
}
}
}