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using System.Collections.Generic;
namespace Ryujinx.Graphics.Shader.Translation
{
struct AttributeInfo
{
private static readonly Dictionary<int, AttributeInfo> BuiltInAttributes = new Dictionary<int, AttributeInfo>()
{
{ AttributeConsts.TessLevelOuter0, new AttributeInfo(AttributeConsts.TessLevelOuter0, 0, 4, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.TessLevelOuter1, new AttributeInfo(AttributeConsts.TessLevelOuter0, 1, 4, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.TessLevelOuter2, new AttributeInfo(AttributeConsts.TessLevelOuter0, 2, 4, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.TessLevelOuter3, new AttributeInfo(AttributeConsts.TessLevelOuter0, 3, 4, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.TessLevelInner0, new AttributeInfo(AttributeConsts.TessLevelInner0, 0, 2, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.TessLevelInner1, new AttributeInfo(AttributeConsts.TessLevelInner0, 1, 2, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.Layer, new AttributeInfo(AttributeConsts.Layer, 0, 1, AggregateType.S32) },
{ AttributeConsts.ViewportIndex, new AttributeInfo(AttributeConsts.ViewportIndex, 0, 1, AggregateType.S32) },
{ AttributeConsts.PointSize, new AttributeInfo(AttributeConsts.PointSize, 0, 1, AggregateType.FP32) },
{ AttributeConsts.PositionX, new AttributeInfo(AttributeConsts.PositionX, 0, 4, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.PositionY, new AttributeInfo(AttributeConsts.PositionX, 1, 4, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.PositionZ, new AttributeInfo(AttributeConsts.PositionX, 2, 4, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.PositionW, new AttributeInfo(AttributeConsts.PositionX, 3, 4, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.ClipDistance0, new AttributeInfo(AttributeConsts.ClipDistance0, 0, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance1, new AttributeInfo(AttributeConsts.ClipDistance0, 1, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance2, new AttributeInfo(AttributeConsts.ClipDistance0, 2, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance3, new AttributeInfo(AttributeConsts.ClipDistance0, 3, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance4, new AttributeInfo(AttributeConsts.ClipDistance0, 4, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance5, new AttributeInfo(AttributeConsts.ClipDistance0, 5, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance6, new AttributeInfo(AttributeConsts.ClipDistance0, 6, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.ClipDistance7, new AttributeInfo(AttributeConsts.ClipDistance0, 7, 8, AggregateType.Array | AggregateType.FP32) },
{ AttributeConsts.PointCoordX, new AttributeInfo(AttributeConsts.PointCoordX, 0, 2, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.PointCoordY, new AttributeInfo(AttributeConsts.PointCoordX, 1, 2, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.TessCoordX, new AttributeInfo(AttributeConsts.TessCoordX, 0, 2, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.TessCoordY, new AttributeInfo(AttributeConsts.TessCoordX, 1, 2, AggregateType.Vector | AggregateType.FP32) },
{ AttributeConsts.InstanceId, new AttributeInfo(AttributeConsts.InstanceId, 0, 1, AggregateType.S32) },
{ AttributeConsts.VertexId, new AttributeInfo(AttributeConsts.VertexId, 0, 1, AggregateType.S32) },
{ AttributeConsts.FrontFacing, new AttributeInfo(AttributeConsts.FrontFacing, 0, 1, AggregateType.Bool) },
// Special.
{ AttributeConsts.FragmentOutputDepth, new AttributeInfo(AttributeConsts.FragmentOutputDepth, 0, 1, AggregateType.FP32) },
{ AttributeConsts.ThreadKill, new AttributeInfo(AttributeConsts.ThreadKill, 0, 1, AggregateType.Bool) },
{ AttributeConsts.ThreadIdX, new AttributeInfo(AttributeConsts.ThreadIdX, 0, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.ThreadIdY, new AttributeInfo(AttributeConsts.ThreadIdX, 1, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.ThreadIdZ, new AttributeInfo(AttributeConsts.ThreadIdX, 2, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.CtaIdX, new AttributeInfo(AttributeConsts.CtaIdX, 0, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.CtaIdY, new AttributeInfo(AttributeConsts.CtaIdX, 1, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.CtaIdZ, new AttributeInfo(AttributeConsts.CtaIdX, 2, 3, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.LaneId, new AttributeInfo(AttributeConsts.LaneId, 0, 1, AggregateType.U32) },
{ AttributeConsts.InvocationId, new AttributeInfo(AttributeConsts.InvocationId, 0, 1, AggregateType.S32) },
{ AttributeConsts.PrimitiveId, new AttributeInfo(AttributeConsts.PrimitiveId, 0, 1, AggregateType.S32) },
{ AttributeConsts.PatchVerticesIn, new AttributeInfo(AttributeConsts.PatchVerticesIn, 0, 1, AggregateType.S32) },
{ AttributeConsts.EqMask, new AttributeInfo(AttributeConsts.EqMask, 0, 4, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.GeMask, new AttributeInfo(AttributeConsts.GeMask, 0, 4, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.GtMask, new AttributeInfo(AttributeConsts.GtMask, 0, 4, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.LeMask, new AttributeInfo(AttributeConsts.LeMask, 0, 4, AggregateType.Vector | AggregateType.U32) },
{ AttributeConsts.LtMask, new AttributeInfo(AttributeConsts.LtMask, 0, 4, AggregateType.Vector | AggregateType.U32) },
};
public int BaseValue { get; }
public int Value { get; }
public int Length { get; }
public AggregateType Type { get; }
public bool IsBuiltin { get; }
public bool IsValid => Type != AggregateType.Invalid;
public AttributeInfo(int baseValue, int index, int length, AggregateType type, bool isBuiltin = true)
{
BaseValue = baseValue;
Value = baseValue + index * 4;
Length = length;
Type = type;
IsBuiltin = isBuiltin;
}
public int GetInnermostIndex()
{
return (Value - BaseValue) / 4;
}
public static bool Validate(ShaderConfig config, int value, bool isOutAttr)
{
return From(config, value, isOutAttr).IsValid;
}
public static AttributeInfo From(ShaderConfig config, int value, bool isOutAttr)
{
value &= ~3;
if (value >= AttributeConsts.UserAttributeBase && value < AttributeConsts.UserAttributeEnd)
{
int location = (value - AttributeConsts.UserAttributeBase) / 16;
AggregateType elemType;
if (config.Stage == ShaderStage.Vertex && !isOutAttr)
{
elemType = config.GpuAccessor.QueryAttributeType(location) switch
{
AttributeType.Sint => AggregateType.S32,
AttributeType.Uint => AggregateType.U32,
_ => AggregateType.FP32
};
}
else
{
elemType = AggregateType.FP32;
}
return new AttributeInfo(value & ~0xf, (value >> 2) & 3, 4, AggregateType.Vector | elemType, false);
}
else if (value >= AttributeConsts.FragmentOutputColorBase && value < AttributeConsts.FragmentOutputColorEnd)
{
return new AttributeInfo(value & ~0xf, (value >> 2) & 3, 4, AggregateType.Vector | AggregateType.FP32, false);
}
else if (value == AttributeConsts.SupportBlockViewInverseX || value == AttributeConsts.SupportBlockViewInverseY)
{
return new AttributeInfo(value, 0, 1, AggregateType.FP32);
}
else if (BuiltInAttributes.TryGetValue(value, out AttributeInfo info))
{
return info;
}
return new AttributeInfo(value, 0, 0, AggregateType.Invalid);
}
public static bool IsArrayBuiltIn(int attr)
{
if (attr <= AttributeConsts.TessLevelInner1 ||
attr == AttributeConsts.TessCoordX ||
attr == AttributeConsts.TessCoordY)
{
return false;
}
return (attr & AttributeConsts.SpecialMask) == 0;
}
public static bool IsArrayAttributeGlsl(ShaderStage stage, bool isOutAttr)
{
if (isOutAttr)
{
return stage == ShaderStage.TessellationControl;
}
else
{
return stage == ShaderStage.TessellationControl ||
stage == ShaderStage.TessellationEvaluation ||
stage == ShaderStage.Geometry;
}
}
public static bool IsArrayAttributeSpirv(ShaderStage stage, bool isOutAttr)
{
if (isOutAttr)
{
return false;
}
else
{
return stage == ShaderStage.TessellationControl ||
stage == ShaderStage.TessellationEvaluation ||
stage == ShaderStage.Geometry;
}
}
}
}
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