Function dispatch_planar_section_impl

source/frontend.cpp:865–928

}

void dispatch_planar_section_impl(
    McContext context,
    McFlags flags,
    const McVoid* pSrcMeshVertices,
    const uint32_t* pSrcMeshFaceIndices,
    const uint32_t* pSrcMeshFaceSizes,
    uint32_t numSrcMeshVertices,
    uint32_t numSrcMeshFaces,
    const McDouble* pNormalVector,
    const McDouble sectionOffset,
    uint32_t numEventsInWaitlist,
    const McEvent* pEventWaitList,
    McEvent* pEvent) noexcept(false)
{
    std::shared_ptr<context_t> context_ptr = g_contexts.find_first_if([=](const std::shared_ptr<context_t> cptr) { return cptr->m_user_handle == context; });

    if (context_ptr == nullptr) {
        throw std::invalid_argument("invalid context");
    }

    std::weak_ptr<context_t> context_weak_ptr(context_ptr);

    // submit the dispatch call to be executed asynchronously and return the future
    // object that will be waited on as an event
    const McEvent event_handle = context_ptr->prepare_and_submit_API_task(
        MC_COMMAND_DISPATCH, numEventsInWaitlist, pEventWaitList,
        [=]() {
            if (!context_weak_ptr.expired()) {
                std::shared_ptr<context_t> context = context_weak_ptr.lock();
                if (context) {
                    std::vector<McChar> supertriangle_vertices;
                    std::vector<McIndex> supertriangle_indices;

                    generate_supertriangle_from_mesh_vertices(
                        supertriangle_vertices,
                        supertriangle_indices,
                        flags,
                        pSrcMeshVertices,
                        numSrcMeshVertices,
                        pNormalVector,
                        sectionOffset,
                        context->get_general_position_enforcement_constant());

                    preproc(
                        context,
                        flags,
                        pSrcMeshVertices,
                        pSrcMeshFaceIndices,
                        pSrcMeshFaceSizes,
                        numSrcMeshVertices,
                        numSrcMeshFaces,
                        (McVoid*)supertriangle_vertices.data(),
                        (McIndex*)&supertriangle_indices[0],
                        nullptr,
                        3,
                        1);
                }
            }