#include "iwa/util/vertex_layout.hpp"

namespace iwa
{
mijin::Optional<VertexAttribute&> VertexLayout::findAttribute(VertexAttributeSemantic semantic, unsigned semanticIdx) noexcept
{
    for (VertexAttribute& attribute : attributes)
    {
        if (attribute.semantic == semantic && attribute.semanticIdx == semanticIdx)
        {
            return attribute;
        }
    }
    return mijin::NULL_OPTIONAL;
}

mijin::Optional<const VertexAttribute&> VertexLayout::findAttribute(VertexAttributeSemantic semantic, unsigned semanticIdx) const noexcept
{
    for (const VertexAttribute& attribute : attributes)
    {
        if (attribute.semantic == semantic && attribute.semanticIdx == semanticIdx)
        {
            return attribute;
        }
    }
    return mijin::NULL_OPTIONAL;
}
} // namespace iwa