validate_fields()

bool MayaFlux::Buffers::VolumeFieldProcessor::validate_fields ( )

private

Check every named field exists and that read-write fields carry two slots.

Returns

True if the cached volume satisfies the binding table.

Definition at line 67 of file VolumeFieldProcessor.cpp.

{
    for (const auto& entry : m_bindings) {
        if (!m_volume->has_field(entry.field)) {
            MF_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
                "VolumeFieldProcessor: volume has no field '{}' for binding '{}'",
                entry.field, entry.name);
            return false;
        }
    }
 
    for (const auto& entry : m_bindings) {
        if (entry.access != FieldAccess::WRITE) {
            continue;
        }
 
        const bool also_read = std::ranges::any_of(m_bindings, [&](const FieldBinding& other) {
            return other.access == FieldAccess::READ && other.field == entry.field;
        });
 
        if (!also_read) {
            continue;
        }
 
        if (m_volume->read_handle(entry.field) == m_volume->write_handle(entry.field)) {
            MF_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
                "VolumeFieldProcessor: field '{}' is bound for both read and write "
                "but is not double-buffered",
                entry.field);
            return false;
        }
    }
 
    return true;
}

References MayaFlux::Buffers::VolumeFieldProcessor::FieldBinding::access, MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Buffers::VolumeFieldProcessor::FieldBinding::field, m_bindings, m_volume, MF_ERROR, READ, and WRITE.

Referenced by on_attach().

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