internal void AddField(MappedField field)
{
int size = field.GetTotalSizeOf();
if (field.PackOffsetBytes.HasValue)
{
int minSize = field.PackOffsetBytes.Value + size;
SizeOf = Math.Max(minSize, SizeOf);
}
else
{
field.PackOffsetBytes = SizeOf;
SizeOf += size;
}
Variables.Add(field);
}
private ShaderMember PopulateMember(MappedField mField)
{
ShaderElementInfo eInfo = new ShaderElementInfo(
dataType: mField.Type.DataType,
dimensions: new List <int>(mField.Type.Dimensions),
size: mField.Type.SizeOf,
subElementCount: mField.Type.SubElementCount,
subElementSize: mField.Type.SubElementSizeOf,
strucType: mField.StructureType
);
return(new ShaderMember(
name: mField.Name,
arrayDimensions: new List <int>(mField.ArrayDimensions),
elementCount: mField.GetTotalArrayElements(),
startOffset: mField.PackOffsetBytes.HasValue ? mField.PackOffsetBytes.Value : 0,
elementInfo: eInfo,
sizeOf: mField.GetTotalSizeOf(),
resType: mField.ResourceType,
resBaseType: mField.ResourceBaseType
));
}
internal override void TranslateFieldPostfix(ShaderTranslationContext sc, VariableDeclaratorSyntax syntax, MappedField field, int fieldIndex, MappedConstantBuffer cBufferMap)
{
throw new NotImplementedException();
}
internal abstract void TranslateFieldPostfix(ShaderTranslationContext sc, VariableDeclaratorSyntax syntax, MappedField field, int fieldIndex, MappedConstantBuffer cBufferMap);
internal override void TranslateFieldPostfix(ShaderTranslationContext sc, VariableDeclaratorSyntax syntax, MappedField field, int fieldIndex, MappedConstantBuffer cBufferMap)
{
char?regName = null;
// Constant buffer fields do not have registers assigned to them.
if (cBufferMap == null)
{
if (field.ResourceBaseType == ShaderResourceBaseType.Sampler)
{
regName = 's';
}
else if (field.ResourceBaseType == ShaderResourceBaseType.Texture || field.ResourceBaseType == ShaderResourceBaseType.Buffer)
{
regName = 't';
}
else if (field.Type.IsUnorderedAccessType)
{
regName = 'u';
}
}
int fieldTypeSize = field.Info.FieldType.IsValueType ? Marshal.SizeOf(field.Info.FieldType) : 0;
TranslatePostfixAttributes(sc, field.Attributes, regName, fieldIndex, fieldTypeSize, cBufferMap);
}
internal override void TranslateFieldPrefix(ShaderTranslationContext sc, VariableDeclaratorSyntax syntax, MappedField field, int fieldIndex, MappedConstantBuffer cBufferMap)
{
if (typeof(IShaderResource).IsAssignableFrom(field.Info.FieldType))
{
sc.MappedFields.Add(field);
}
else
{
// HLSL puts all global, non-const static variables into the $Global constant buffer.
if (cBufferMap == null && field.Info.FieldType.DeclaringType == sc.ShaderType)
{
MappedConstantBuffer cBufferGlobal = null;
if (!sc.ConstantBuffers.TryGetValue(GLOBAL_CBUFFER_NAME, out cBufferGlobal))
{
cBufferGlobal = Pooling.MappedConstBuffers.Get();
sc.ConstantBuffers.Add(GLOBAL_CBUFFER_NAME, cBufferGlobal);
}
cBufferGlobal.AddField(field);
}
if (typeof(IMatrix).IsAssignableFrom(field.Info.FieldType))
{
if (field.StructureType == ShaderStructureType.MatrixRowMajor)
{
sc.Source.Append("row_major ");
}
if (field.StructureType == ShaderStructureType.MatrixColumnMajor)
{
sc.Source.Append("column_Major ");
}
}
}
foreach (Attribute at in field.Attributes)
{
switch (at)
{
case InterpolationAttribute attInterpolation:
foreach (InterpolationMode m in InterpolationAttribute.ModeValues)
{
if (m == InterpolationMode.None)
{
continue;
}
if ((attInterpolation.Flags & m) == m)
{
sc.Source.Append($" {m.ToString().ToLower()}");
}
}
break;
case ComputeGroupSharedAttribute attGroupShared:
sc.Source.Append(" groupshared ");
break;
case GloballyCoherentAttribute attGlobCoherent:
if (field.ResourceBaseType == ShaderResourceBaseType.RWBuffer || field.ResourceBaseType == ShaderResourceBaseType.RWTexture)
{
sc.Source.Append(" globallycoherent ");
}
break;
}
}
}