mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-14 05:46:41 +00:00
315 lines
No EOL
13 KiB
C#
315 lines
No EOL
13 KiB
C#
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
|
|
using Ryujinx.Graphics.Shader.StructuredIr;
|
|
using Ryujinx.Graphics.Shader.Translation;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
|
|
using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
|
|
|
|
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
|
|
{
|
|
class OperandManager
|
|
{
|
|
private static string[] _stagePrefixes = new string[] { "cp", "vp", "tcp", "tep", "gp", "fp" };
|
|
|
|
private struct BuiltInAttribute
|
|
{
|
|
public string Name { get; }
|
|
|
|
public VariableType Type { get; }
|
|
|
|
public BuiltInAttribute(string name, VariableType type)
|
|
{
|
|
Name = name;
|
|
Type = type;
|
|
}
|
|
}
|
|
|
|
private static Dictionary<int, BuiltInAttribute> _builtInAttributes =
|
|
new Dictionary<int, BuiltInAttribute>()
|
|
{
|
|
{ AttributeConsts.Layer, new BuiltInAttribute("gl_Layer", VariableType.S32) },
|
|
{ AttributeConsts.PointSize, new BuiltInAttribute("gl_PointSize", VariableType.F32) },
|
|
{ AttributeConsts.PositionX, new BuiltInAttribute("gl_Position.x", VariableType.F32) },
|
|
{ AttributeConsts.PositionY, new BuiltInAttribute("gl_Position.y", VariableType.F32) },
|
|
{ AttributeConsts.PositionZ, new BuiltInAttribute("gl_Position.z", VariableType.F32) },
|
|
{ AttributeConsts.PositionW, new BuiltInAttribute("gl_Position.w", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance0, new BuiltInAttribute("gl_ClipDistance[0]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance1, new BuiltInAttribute("gl_ClipDistance[1]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance2, new BuiltInAttribute("gl_ClipDistance[2]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance3, new BuiltInAttribute("gl_ClipDistance[3]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance4, new BuiltInAttribute("gl_ClipDistance[4]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance5, new BuiltInAttribute("gl_ClipDistance[5]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance6, new BuiltInAttribute("gl_ClipDistance[6]", VariableType.F32) },
|
|
{ AttributeConsts.ClipDistance7, new BuiltInAttribute("gl_ClipDistance[7]", VariableType.F32) },
|
|
{ AttributeConsts.PointCoordX, new BuiltInAttribute("gl_PointCoord.x", VariableType.F32) },
|
|
{ AttributeConsts.PointCoordY, new BuiltInAttribute("gl_PointCoord.y", VariableType.F32) },
|
|
{ AttributeConsts.TessCoordX, new BuiltInAttribute("gl_TessCoord.x", VariableType.F32) },
|
|
{ AttributeConsts.TessCoordY, new BuiltInAttribute("gl_TessCoord.y", VariableType.F32) },
|
|
{ AttributeConsts.InstanceId, new BuiltInAttribute("gl_InstanceID", VariableType.S32) },
|
|
{ AttributeConsts.VertexId, new BuiltInAttribute("gl_VertexID", VariableType.S32) },
|
|
{ AttributeConsts.FrontFacing, new BuiltInAttribute("gl_FrontFacing", VariableType.Bool) },
|
|
|
|
// Special.
|
|
{ AttributeConsts.FragmentOutputDepth, new BuiltInAttribute("gl_FragDepth", VariableType.F32) },
|
|
{ AttributeConsts.ThreadIdX, new BuiltInAttribute("gl_LocalInvocationID.x", VariableType.U32) },
|
|
{ AttributeConsts.ThreadIdY, new BuiltInAttribute("gl_LocalInvocationID.y", VariableType.U32) },
|
|
{ AttributeConsts.ThreadIdZ, new BuiltInAttribute("gl_LocalInvocationID.z", VariableType.U32) },
|
|
{ AttributeConsts.CtaIdX, new BuiltInAttribute("gl_WorkGroupID.x", VariableType.U32) },
|
|
{ AttributeConsts.CtaIdY, new BuiltInAttribute("gl_WorkGroupID.y", VariableType.U32) },
|
|
{ AttributeConsts.CtaIdZ, new BuiltInAttribute("gl_WorkGroupID.z", VariableType.U32) },
|
|
{ AttributeConsts.LaneId, new BuiltInAttribute("gl_SubGroupInvocationARB", VariableType.U32) },
|
|
{ AttributeConsts.EqMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupEqMaskARB).x", VariableType.U32) },
|
|
{ AttributeConsts.GeMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupGeMaskARB).x", VariableType.U32) },
|
|
{ AttributeConsts.GtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupGtMaskARB).x", VariableType.U32) },
|
|
{ AttributeConsts.LeMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLeMaskARB).x", VariableType.U32) },
|
|
{ AttributeConsts.LtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLtMaskARB).x", VariableType.U32) },
|
|
};
|
|
|
|
private Dictionary<AstOperand, string> _locals;
|
|
|
|
public OperandManager()
|
|
{
|
|
_locals = new Dictionary<AstOperand, string>();
|
|
}
|
|
|
|
public string DeclareLocal(AstOperand operand)
|
|
{
|
|
string name = $"{DefaultNames.LocalNamePrefix}_{_locals.Count}";
|
|
|
|
_locals.Add(operand, name);
|
|
|
|
return name;
|
|
}
|
|
|
|
public string GetExpression(AstOperand operand, ShaderStage stage)
|
|
{
|
|
switch (operand.Type)
|
|
{
|
|
case OperandType.Attribute:
|
|
return GetAttributeName(operand, stage);
|
|
|
|
case OperandType.Constant:
|
|
return NumberFormatter.FormatInt(operand.Value);
|
|
|
|
case OperandType.ConstantBuffer:
|
|
return GetConstantBufferName(operand.CbufSlot, operand.CbufOffset, stage);
|
|
|
|
case OperandType.LocalVariable:
|
|
return _locals[operand];
|
|
|
|
case OperandType.Undefined:
|
|
return DefaultNames.UndefinedName;
|
|
}
|
|
|
|
throw new ArgumentException($"Invalid operand type \"{operand.Type}\".");
|
|
}
|
|
|
|
public static string GetConstantBufferName(int slot, int offset, ShaderStage stage)
|
|
{
|
|
string ubName = GetUbName(stage, slot);
|
|
|
|
ubName += "[" + (offset >> 2) + "]";
|
|
|
|
return ubName + "." + GetSwizzleMask(offset & 3);
|
|
}
|
|
|
|
private static string GetVec4Indexed(string vectorName, string indexExpr)
|
|
{
|
|
string result = $"{vectorName}.x";
|
|
for (int i = 1; i < 4; i++)
|
|
{
|
|
result = $"(({indexExpr}) == {i}) ? ({vectorName}.{GetSwizzleMask(i)}) : ({result})";
|
|
}
|
|
return $"({result})";
|
|
}
|
|
|
|
public static string GetConstantBufferName(IAstNode slot, string offsetExpr, ShaderStage stage)
|
|
{
|
|
// Non-constant slots are not supported.
|
|
// It is expected that upstream stages are never going to generate non-constant
|
|
// slot access.
|
|
AstOperand operand = (AstOperand)slot;
|
|
|
|
string ubName = GetUbName(stage, operand.Value);
|
|
|
|
string index0 = "[" + offsetExpr + " >> 2]";
|
|
|
|
return GetVec4Indexed(ubName + index0, offsetExpr + " & 3");
|
|
}
|
|
|
|
public static string GetOutAttributeName(AstOperand attr, ShaderStage stage)
|
|
{
|
|
return GetAttributeName(attr, stage, isOutAttr: true);
|
|
}
|
|
|
|
public static string GetAttributeName(AstOperand attr, ShaderStage stage, bool isOutAttr = false, string indexExpr = "0")
|
|
{
|
|
int value = attr.Value;
|
|
|
|
string swzMask = GetSwizzleMask((value >> 2) & 3);
|
|
|
|
if (value >= AttributeConsts.UserAttributeBase &&
|
|
value < AttributeConsts.UserAttributeEnd)
|
|
{
|
|
value -= AttributeConsts.UserAttributeBase;
|
|
|
|
string prefix = isOutAttr
|
|
? DefaultNames.OAttributePrefix
|
|
: DefaultNames.IAttributePrefix;
|
|
|
|
string name = $"{prefix}{(value >> 4)}";
|
|
|
|
if (stage == ShaderStage.Geometry && !isOutAttr)
|
|
{
|
|
name += $"[{indexExpr}]";
|
|
}
|
|
|
|
name += "." + swzMask;
|
|
|
|
return name;
|
|
}
|
|
else
|
|
{
|
|
if (value >= AttributeConsts.FragmentOutputColorBase &&
|
|
value < AttributeConsts.FragmentOutputColorEnd)
|
|
{
|
|
value -= AttributeConsts.FragmentOutputColorBase;
|
|
|
|
return $"{DefaultNames.OAttributePrefix}{(value >> 4)}.{swzMask}";
|
|
}
|
|
else if (_builtInAttributes.TryGetValue(value & ~3, out BuiltInAttribute builtInAttr))
|
|
{
|
|
// TODO: There must be a better way to handle this...
|
|
if (stage == ShaderStage.Fragment)
|
|
{
|
|
switch (value & ~3)
|
|
{
|
|
case AttributeConsts.PositionX: return "gl_FragCoord.x";
|
|
case AttributeConsts.PositionY: return "gl_FragCoord.y";
|
|
case AttributeConsts.PositionZ: return "gl_FragCoord.z";
|
|
case AttributeConsts.PositionW: return "gl_FragCoord.w";
|
|
}
|
|
}
|
|
|
|
string name = builtInAttr.Name;
|
|
|
|
if (stage == ShaderStage.Geometry && !isOutAttr)
|
|
{
|
|
name = $"gl_in[{indexExpr}].{name}";
|
|
}
|
|
|
|
return name;
|
|
}
|
|
}
|
|
|
|
// TODO: Warn about unknown built-in attribute.
|
|
|
|
return isOutAttr ? "// bad_attr0x" + value.ToString("X") : "0.0";
|
|
}
|
|
|
|
public static string GetUbName(ShaderStage stage, int slot)
|
|
{
|
|
string ubName = GetShaderStagePrefix(stage);
|
|
|
|
ubName += "_" + DefaultNames.UniformNamePrefix + slot;
|
|
|
|
return ubName + "_" + DefaultNames.UniformNameSuffix;
|
|
}
|
|
|
|
public static string GetSamplerName(ShaderStage stage, AstTextureOperation texOp, string indexExpr)
|
|
{
|
|
string suffix;
|
|
|
|
if ((texOp.Flags & TextureFlags.Bindless) != 0)
|
|
{
|
|
AstOperand operand = texOp.GetSource(0) as AstOperand;
|
|
|
|
suffix = "_cb" + operand.CbufSlot + "_" + operand.CbufOffset;
|
|
}
|
|
else
|
|
{
|
|
suffix = texOp.Handle.ToString();
|
|
|
|
if ((texOp.Type & SamplerType.Indexed) != 0)
|
|
{
|
|
suffix += $"a[{indexExpr}]";
|
|
}
|
|
}
|
|
|
|
return GetShaderStagePrefix(stage) + "_" + DefaultNames.SamplerNamePrefix + suffix;
|
|
}
|
|
|
|
public static string GetImageName(ShaderStage stage, AstTextureOperation texOp, string indexExpr)
|
|
{
|
|
string suffix = texOp.Handle.ToString();
|
|
|
|
if ((texOp.Type & SamplerType.Indexed) != 0)
|
|
{
|
|
suffix += $"a[{indexExpr}]";
|
|
}
|
|
|
|
return GetShaderStagePrefix(stage) + "_" + DefaultNames.ImageNamePrefix + suffix;
|
|
}
|
|
|
|
public static string GetShaderStagePrefix(ShaderStage stage)
|
|
{
|
|
int index = (int)stage;
|
|
|
|
if ((uint)index >= _stagePrefixes.Length)
|
|
{
|
|
return "invalid";
|
|
}
|
|
|
|
return _stagePrefixes[index];
|
|
}
|
|
|
|
private static string GetSwizzleMask(int value)
|
|
{
|
|
return "xyzw".Substring(value, 1);
|
|
}
|
|
|
|
public static VariableType GetNodeDestType(IAstNode node)
|
|
{
|
|
if (node is AstOperation operation)
|
|
{
|
|
// Load attribute basically just returns the attribute value.
|
|
// Some built-in attributes may have different types, so we need
|
|
// to return the type based on the attribute that is being read.
|
|
if (operation.Inst == Instruction.LoadAttribute)
|
|
{
|
|
return GetOperandVarType((AstOperand)operation.GetSource(0));
|
|
}
|
|
else if (operation is AstTextureOperation texOp &&
|
|
(texOp.Inst == Instruction.ImageLoad ||
|
|
texOp.Inst == Instruction.ImageStore))
|
|
{
|
|
return texOp.Format.GetComponentType();
|
|
}
|
|
|
|
return GetDestVarType(operation.Inst);
|
|
}
|
|
else if (node is AstOperand operand)
|
|
{
|
|
return GetOperandVarType(operand);
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentException($"Invalid node type \"{node?.GetType().Name ?? "null"}\".");
|
|
}
|
|
}
|
|
|
|
private static VariableType GetOperandVarType(AstOperand operand)
|
|
{
|
|
if (operand.Type == OperandType.Attribute)
|
|
{
|
|
if (_builtInAttributes.TryGetValue(operand.Value & ~3, out BuiltInAttribute builtInAttr))
|
|
{
|
|
return builtInAttr.Type;
|
|
}
|
|
}
|
|
|
|
return OperandInfo.GetVarType(operand);
|
|
}
|
|
}
|
|
} |