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Implement VMAD shader instruction and improve InvocationInfo and ISBERD handling (#3251)

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* Implement VMAD shader instruction and improve InvocationInfo and ISBERD handling

* Shader cache version bump

* Fix typo
This commit is contained in:
gdkchan 2022-04-08 07:42:39 -03:00 committed by GitHub
parent 3139a85a2b
commit e44a43c7e1
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 171 additions and 61 deletions
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2
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
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@ -40,7 +40,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Version of the codegen (to be changed when codegen or guest format change).
/// </summary>
private const ulong ShaderCodeGenVersion = 3184;
private const ulong ShaderCodeGenVersion = 3251;
// Progress reporting helpers
private volatile int _shaderCount;

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
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@ -250,9 +250,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
: "gl_SubgroupInvocationID";
}
// TODO: There must be a better way to handle this...
if (config.Stage == ShaderStage.Fragment)
{
// TODO: There must be a better way to handle this...
switch (value)
{
case AttributeConsts.PositionX: return $"(gl_FragCoord.x / {DefaultNames.SupportBlockRenderScaleName}[0])";

2
Ryujinx.Graphics.Shader/Decoders/InstDecoders.cs
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@ -5144,6 +5144,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
public int SrcC => (int)((_opcode >> 39) & 0xFF);
public int Pred => (int)((_opcode >> 16) & 0x7);
public bool PredInv => (_opcode & 0x80000) != 0;
public int Imm16 => (int)((_opcode >> 20) & 0xFFFF);
public bool WriteCC => (_opcode & 0x800000000000) != 0;
public AvgMode AvgMode => (AvgMode)((_opcode >> 56) & 0x3);
public bool DFormat => (_opcode & 0x40000000000000) != 0;
@ -5164,6 +5165,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
public int SrcC => (int)((_opcode >> 39) & 0xFF);
public int Pred => (int)((_opcode >> 16) & 0x7);
public bool PredInv => (_opcode & 0x80000) != 0;
public int Imm16 => (int)((_opcode >> 20) & 0xFFFF);
public bool WriteCC => (_opcode & 0x800000000000) != 0;
public VectorSelect ASelect => (VectorSelect)((int)((_opcode >> 45) & 0x8) | (int)((_opcode >> 36) & 0x7));
public VectorSelect BSelect => (VectorSelect)((int)((_opcode >> 46) & 0x8) | (int)((_opcode >> 28) & 0x7));

28
Ryujinx.Graphics.Shader/InputTopology.cs
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@ -13,16 +13,28 @@ namespace Ryujinx.Graphics.Shader
{
public static string ToGlslString(this InputTopology topology)
{
switch (topology)
return topology switch
{
case InputTopology.Points: return "points";
case InputTopology.Lines: return "lines";
case InputTopology.LinesAdjacency: return "lines_adjacency";
case InputTopology.Triangles: return "triangles";
case InputTopology.TrianglesAdjacency: return "triangles_adjacency";
}
InputTopology.Points => "points",
InputTopology.Lines => "lines",
InputTopology.LinesAdjacency => "lines_adjacency",
InputTopology.Triangles => "triangles",
InputTopology.TrianglesAdjacency => "triangles_adjacency",
_ => "points"
};
}
return "points";
public static int ToInputVertices(this InputTopology topology)
{
return topology switch
{
InputTopology.Points => 1,
InputTopology.Lines or
InputTopology.LinesAdjacency => 2,
InputTopology.Triangles or
InputTopology.TrianglesAdjacency => 3,
_ => 1
};
}
}
}

29
Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs
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@ -73,6 +73,26 @@ namespace Ryujinx.Graphics.Shader.Instructions
};
}
public static Operand Extend(EmitterContext context, Operand src, VectorSelect type)
{
return type switch
{
VectorSelect.U8B0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8),
VectorSelect.U8B1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8),
VectorSelect.U8B2 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8),
VectorSelect.U8B3 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8),
VectorSelect.U16H0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16),
VectorSelect.U16H1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16),
VectorSelect.S8B0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8),
VectorSelect.S8B1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8),
VectorSelect.S8B2 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8),
VectorSelect.S8B3 => SignExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8),
VectorSelect.S16H0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16),
VectorSelect.S16H1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16),
_ => src
};
}
public static void SetZnFlags(EmitterContext context, Operand dest, bool setCC, bool extended = false)
{
if (!setCC)
@ -118,6 +138,15 @@ namespace Ryujinx.Graphics.Shader.Instructions
}
}
public static (Operand, Operand) NegateLong(EmitterContext context, Operand low, Operand high)
{
low = context.BitwiseNot(low);
high = context.BitwiseNot(high);
low = AddWithCarry(context, low, Const(1), out Operand carryOut);
high = context.IAdd(high, carryOut);
return (low, high);
}
public static Operand AddWithCarry(EmitterContext context, Operand lhs, Operand rhs, out Operand carryOut)
{
Operand result = context.IAdd(lhs, rhs);

9
Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs
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@ -168,10 +168,11 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
InstIsberd op = context.GetOp<InstIsberd>();
// 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.
// This instruction performs a load from ISBE (Internal Stage Buffer Entry) memory.
// Here, we just propagate the offset, as the result from this instruction is usually
// used with ALD to perform vertex load on geometry or tessellation shaders.
// The offset is calculated as (PrimitiveIndex * VerticesPerPrimitive) + VertexIndex.
// Since we hardcode PrimitiveIndex to zero, then the offset will be just VertexIndex.
context.Copy(GetDest(op.Dest), GetSrcReg(context, op.SrcA));
}

26
Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs
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@ -94,31 +94,19 @@ namespace Ryujinx.Graphics.Shader.Instructions
case SReg.InvocationInfo:
if (context.Config.Stage != ShaderStage.Compute && context.Config.Stage != ShaderStage.Fragment)
{
Operand primitiveId = Attribute(AttributeConsts.PrimitiveId);
Operand patchVerticesIn;
// Note: Lowest 8-bits seems to contain some primitive index,
// but it seems to be NVIDIA implementation specific as it's only used
// to calculate ISBE offsets, so we can just keep it as zero.
if (context.Config.Stage == ShaderStage.TessellationEvaluation)
if (context.Config.Stage == ShaderStage.TessellationControl ||
context.Config.Stage == ShaderStage.TessellationEvaluation)
{
patchVerticesIn = context.ShiftLeft(Attribute(AttributeConsts.PatchVerticesIn), Const(16));
src = context.ShiftLeft(Attribute(AttributeConsts.PatchVerticesIn), Const(16));
}
else
{
InputTopology inputTopology = context.Config.GpuAccessor.QueryPrimitiveTopology();
int inputVertices = inputTopology switch
{
InputTopology.Points => 1,
InputTopology.Lines or
InputTopology.LinesAdjacency => 2,
InputTopology.Triangles or
InputTopology.TrianglesAdjacency => 3,
_ => 1
};
patchVerticesIn = Const(inputVertices << 16);
src = Const(context.Config.GpuAccessor.QueryPrimitiveTopology().ToInputVertices() << 16);
}
src = context.BitwiseOr(primitiveId, patchVerticesIn);
}
else
{

104
Ryujinx.Graphics.Shader/Instructions/InstEmitVideoArithmetic.cs
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@ -1,7 +1,9 @@
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
{
@ -11,8 +13,106 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
InstVmad op = context.GetOp<InstVmad>();
// TODO: Implement properly.
context.Copy(GetDest(op.Dest), GetSrcReg(context, op.SrcC));
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.
}
}
}

30
Ryujinx.Graphics.Shader/Instructions/InstEmitVideoMinMax.cs
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@ -13,14 +13,13 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
InstVmnmx op = context.GetOp<InstVmnmx>();
Operand srcA = Extend(context, GetSrcReg(context, op.SrcA), op.ASelect);
Operand srcA = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcA), op.ASelect);
Operand srcC = GetSrcReg(context, op.SrcC);
Operand srcB;
if (op.BVideo)
{
srcB = Extend(context, GetSrcReg(context, op.SrcB), op.BSelect);
srcB = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcB), op.BSelect);
}
else
{
@ -124,13 +123,12 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
InstVsetp op = context.GetOp<InstVsetp>();
Operand srcA = Extend(context, GetSrcReg(context, op.SrcA), op.ASelect);
Operand srcA = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcA), op.ASelect);
Operand srcB;
if (op.BVideo)
{
srcB = Extend(context, GetSrcReg(context, op.SrcB), op.BSelect);
srcB = InstEmitAluHelper.Extend(context, GetSrcReg(context, op.SrcB), op.BSelect);
}
else
{
@ -181,25 +179,5 @@ namespace Ryujinx.Graphics.Shader.Instructions
context.Copy(Register(op.DestPred, RegisterType.Predicate), p0Res);
context.Copy(Register(op.DestPredInv, RegisterType.Predicate), p1Res);
}
private static Operand Extend(EmitterContext context, Operand src, VectorSelect type)
{
return type switch
{
VectorSelect.U8B0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8),
VectorSelect.U8B1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8),
VectorSelect.U8B2 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8),
VectorSelect.U8B3 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8),
VectorSelect.U16H0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16),
VectorSelect.U16H1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16),
VectorSelect.S8B0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8),
VectorSelect.S8B1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8),
VectorSelect.S8B2 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8),
VectorSelect.S8B3 => SignExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8),
VectorSelect.S16H0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16),
VectorSelect.S16H1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16),
_ => src
};
}
}
}