get_size_bytes()

size_t MayaFlux::Core::VKImage::get_size_bytes

(

)

const

Get total size in bytes (for memory allocation)

Returns

Estimated size in bytes

Definition at line 103 of file VKImage.cpp.

{
    const size_t bpp = vk_format_bytes_per_pixel(m_format);
 
    size_t total = 0;
    uint32_t mip_w = m_width;
    uint32_t mip_h = m_height;
    uint32_t mip_d = m_depth;
 
    for (uint32_t i = 0; i < m_mip_levels; ++i) {
        total += static_cast<size_t>(mip_w) * mip_h * mip_d * bpp;
        mip_w = std::max(1U, mip_w / 2);
        mip_h = std::max(1U, mip_h / 2);
        mip_d = std::max(1U, mip_d / 2);
    }
 
    return total * m_array_layers;
}

References m_array_layers, m_depth, m_format, m_height, m_mip_levels, m_width, and MayaFlux::Core::vk_format_bytes_per_pixel().

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