surface_storage_bytes()

size_t MayaFlux::Buffers::VolumeGridBuffer::surface_storage_bytes ( const std::optional< SurfaceConfig > &  surface )

staticprivate

Bytes of vertex storage the extraction resolution requires.

Parameters

surface

Extraction parameters, or nullopt for no extraction.

Returns

Worst-case vertex bytes, or 1 when no surface is configured.

Definition at line 625 of file VolumeGridBuffer.cpp.

{
    if (!surface) {
        return 1;
    }
 
    const glm::uvec3 res = glm::max(surface->resolution, glm::uvec3(1U));
    const uint64_t voxels = static_cast<uint64_t>(res.x) * res.y * res.z;
    return static_cast<size_t>(voxels * 15U * sizeof(Kakshya::MeshVertex));
}