public static Type GetTypeFromParameterType(EShaderParameterType type)
{
switch (type)
{
case EShaderParameterType.Scalar:
return(typeof(float));
case EShaderParameterType.Vector:
return(typeof(Vector3));
case EShaderParameterType.Color:
return(typeof(Color4));
case EShaderParameterType.Matrix:
return(typeof(Matrix));
}
return(null);
}
public static int GetSizeFromParameterType(EShaderParameterType type)
{
switch (type)
{
case EShaderParameterType.Scalar:
return(4);
case EShaderParameterType.Vector:
return(Vector3.SizeInBytes);
case EShaderParameterType.Color:
return(SharpDX.Utilities.SizeOf <Color4>());
case EShaderParameterType.Matrix:
return(Matrix.SizeInBytes);
case EShaderParameterType.Texture:
return(-1);
}
return(-1);
}
public void AddParameterTarget(SHashedName name, EShaderParameterType type)
{
SShaderParameterTarget newParameterTarget;
newParameterTarget.parameterName = name;
newParameterTarget.parameterType = type;
int sizeInBytes = ShaderHelpers.GetSizeFromParameterType(type);
if (m_currentRegisterSizeLeft >= sizeInBytes && !m_bInArray)
{
m_currentRegisterSizeLeft -= sizeInBytes;
newParameterTarget.offset = m_currentOffset;
}
else
{
m_currentOffset += m_currentRegisterSizeLeft;
newParameterTarget.offset = m_currentOffset;
m_currentRegisterSizeLeft = (16 - sizeInBytes % 16) % 16;
}
m_currentOffset += sizeInBytes;
parameterTargets.Add(newParameterTarget);
}
public SShaderParameter(EShaderParameterType type, object data)
{
parameterType = type;
parameterData = data;
}
