private static EffectObject.D3Dx_parameter GetParameterFromSymbol(MojoShader.MOJOSHADER_symbol symbol)
{
var param = new EffectObject.D3Dx_parameter
{
rows = symbol.info.rows,
columns = symbol.info.columns,
name = symbol.name ?? string.Empty,
semantic = string.Empty // TODO: How do i do this with only MojoShader?
};
var registerSize =
(symbol.register_set == MojoShader.MOJOSHADER_symbolRegisterSet.MOJOSHADER_SYMREGSET_BOOL ? 1 : 4) * 4;
int offset = (int)symbol.register_index * registerSize;
param.bufferOffset = offset;
switch (symbol.info.parameter_class)
{
case MojoShader.MOJOSHADER_symbolClass.MOJOSHADER_SYMCLASS_SCALAR:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.SCALAR;
break;
case MojoShader.MOJOSHADER_symbolClass.MOJOSHADER_SYMCLASS_VECTOR:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.VECTOR;
break;
case MojoShader.MOJOSHADER_symbolClass.MOJOSHADER_SYMCLASS_MATRIX_COLUMNS:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.MATRIX_COLUMNS;
break;
default:
throw new Exception("Unsupported parameter class!");
}
switch (symbol.info.parameter_type)
{
case MojoShader.MOJOSHADER_symbolType.MOJOSHADER_SYMTYPE_BOOL:
param.type = EffectObject.D3DXPARAMETER_TYPE.BOOL;
break;
case MojoShader.MOJOSHADER_symbolType.MOJOSHADER_SYMTYPE_FLOAT:
param.type = EffectObject.D3DXPARAMETER_TYPE.FLOAT;
break;
case MojoShader.MOJOSHADER_symbolType.MOJOSHADER_SYMTYPE_INT:
param.type = EffectObject.D3DXPARAMETER_TYPE.INT;
break;
default:
throw new Exception("Unsupported parameter type!");
}
// HACK: We don't have real default parameters from mojoshader!
param.data = new byte[param.rows * param.columns * 4];
param.member_count = symbol.info.member_count;
param.element_count = symbol.info.elements > 1 ? symbol.info.elements : 0;
if (param.member_count > 0)
{
param.member_handles = new EffectObject.D3Dx_parameter[param.member_count];
var members = MarshalHelper.UnmarshalArray <MojoShader.MOJOSHADER_symbol>(
symbol.info.members, (int)symbol.info.member_count);
for (int i = 0; i < param.member_count; i++)
{
var mparam = GetParameterFromSymbol(members[i]);
param.member_handles[i] = mparam;
}
}
else
{
param.member_handles = new EffectObject.D3Dx_parameter[param.element_count];
for (int i = 0; i < param.element_count; i++)
{
var mparam = new EffectObject.D3Dx_parameter
{
name = string.Empty,
semantic = string.Empty,
type = param.type,
class_ = param.class_,
rows = param.rows,
columns = param.columns,
data = new byte[param.columns * param.rows * 4]
};
param.member_handles[i] = mparam;
}
}
return(param);
}
private static EffectObject.D3Dx_parameter GetParameterFromType(SharpDX.D3DCompiler.ShaderReflectionType type)
{
var param = new EffectObject.D3Dx_parameter
{
rows = (uint)type.Description.RowCount,
columns = (uint)type.Description.ColumnCount,
name = type.Description.Name ?? string.Empty,
semantic = string.Empty,
bufferOffset = type.Description.Offset
};
switch (type.Description.Class)
{
case SharpDX.D3DCompiler.ShaderVariableClass.Scalar:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.SCALAR;
break;
case SharpDX.D3DCompiler.ShaderVariableClass.Vector:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.VECTOR;
break;
case SharpDX.D3DCompiler.ShaderVariableClass.MatrixColumns:
param.class_ = EffectObject.D3DXPARAMETER_CLASS.MATRIX_COLUMNS;
break;
default:
throw new Exception("Unsupported parameter class!");
}
switch (type.Description.Type)
{
case SharpDX.D3DCompiler.ShaderVariableType.Bool:
param.type = EffectObject.D3DXPARAMETER_TYPE.BOOL;
break;
case SharpDX.D3DCompiler.ShaderVariableType.Float:
param.type = EffectObject.D3DXPARAMETER_TYPE.FLOAT;
break;
case SharpDX.D3DCompiler.ShaderVariableType.Int:
param.type = EffectObject.D3DXPARAMETER_TYPE.INT;
break;
default:
throw new Exception("Unsupported parameter type!");
}
param.member_count = (uint)type.Description.MemberCount;
param.element_count = (uint)type.Description.ElementCount;
if (param.member_count > 0)
{
param.member_handles = new EffectObject.D3Dx_parameter[param.member_count];
for (var i = 0; i < param.member_count; i++)
{
var mparam = GetParameterFromType(type.GetMemberType(i));
mparam.name = type.GetMemberTypeName(i) ?? string.Empty;
param.member_handles[i] = mparam;
}
}
else
{
param.member_handles = new EffectObject.D3Dx_parameter[param.element_count];
for (var i = 0; i < param.element_count; i++)
{
var mparam = new EffectObject.D3Dx_parameter
{
name = string.Empty,
semantic = string.Empty,
type = param.type,
class_ = param.class_,
rows = param.rows,
columns = param.columns,
data = new byte[param.columns * param.rows * 4]
};
param.member_handles[i] = mparam;
}
}
return(param);
}