update_specialization_info()

void MayaFlux::Core::VKShaderModule::update_specialization_info ( )

private

Update specialization info from current map Called before get_stage_create_info() to ensure fresh data.

Definition at line 306 of file VKShaderModule.cpp.

{
    if (m_specialization_map.empty()) {
        m_specialization_entries.clear();
        m_specialization_data.clear();
        m_specialization_info = vk::SpecializationInfo {};
        return;
    }
 
    m_specialization_entries.clear();
    m_specialization_data.clear();
 
    m_specialization_entries.reserve(m_specialization_map.size());
    m_specialization_data.reserve(m_specialization_map.size());
 
    uint32_t offset = 0;
    for (const auto& [constant_id, value] : m_specialization_map) {
        vk::SpecializationMapEntry entry;
        entry.constantID = constant_id;
        entry.offset = offset;
        entry.size = sizeof(uint32_t);
        m_specialization_entries.push_back(entry);
 
        m_specialization_data.push_back(value);
        offset += sizeof(uint32_t);
    }
 
    m_specialization_info.mapEntryCount = static_cast<uint32_t>(m_specialization_entries.size());
    m_specialization_info.pMapEntries = m_specialization_entries.data();
    m_specialization_info.dataSize = m_specialization_data.size() * sizeof(uint32_t);
    m_specialization_info.pData = m_specialization_data.data();
}

References m_specialization_data, m_specialization_entries, m_specialization_info, and m_specialization_map.

Referenced by get_stage_create_info().

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