Function CalculateStd140StructSize

engine/graphics/src/graphics.cpp:1613–1643

    }

    static uint32_t CalculateStd140StructSize(const ShaderResourceTypeInfo* type_infos, uint32_t type_index, bool update_offsets)
    {
        const ShaderResourceTypeInfo& type_info = type_infos[type_index];

        const uint32_t STRUCT_ALIGNMENT = 16;
        uint32_t offset        = 0;
        uint32_t max_alignment = STRUCT_ALIGNMENT;

        for (uint32_t i = 0; i < type_info.m_MemberCount; ++i)
        {
            ShaderResourceMember& member = type_info.m_Members[i];

            uint32_t alignment = STRUCT_ALIGNMENT;

            if (!member.m_Type.m_UseTypeIndex)
            {
                alignment = GetStd140BaseAlignment(member.m_Type.m_ShaderType);
            }

            offset = DM_ALIGN(offset, alignment);

            if (update_offsets)
                member.m_Offset = offset;

            offset += CalculateStd140MemberSize(type_infos, member, update_offsets);

            max_alignment = dmMath::Max(max_alignment, alignment);
        }

        return DM_ALIGN(offset, max_alignment);
    }

    static uint32_t CalculateShaderTypesSize(uint32_t root_type_index, const ShaderResourceTypeInfo* type_infos, uint32_t num_type_infos)
    {