---
title: "Best Settings for Preferred Lighting Technology (Voxel, ShadowMap, Future) in Bloxstrap (Low-End & High-FPS PCs)"
description: "Optimal configuration for Preferred Lighting Technology (Voxel, ShadowMap, Future) (DFFlagDebugRenderForceTechnologyVoxel / FutureIsBrightPhase3) in Bloxstrap across 60Hz laptops, 144Hz monitors, and 240Hz competitive rigs."
canonical: https://bloxstraplabs.ink/engine/lighting-technology-voxel-shadowmap-future-best-settings
updated: 2026-10-17
---

# Best Settings: Preferred Lighting Technology (Voxel, ShadowMap, Future)

How to tune Preferred Lighting Technology (Voxel, ShadowMap, Future) (Chosen by game, Voxel (Phase 1), ShadowMap (Phase 2), Future (Phase 3)) for lower input latency and stable frame times on Windows.

## Facts (2026-10-17)

- **Target Setting:** Preferred Lighting Technology (Voxel, ShadowMap, Future)
- **FastFlag:** DFFlagDebugRenderForceTechnologyVoxel / FutureIsBrightPhase3
- **Low-End Pick:** Conservative / Voxel / D3D11
- **High-End Pick:** Match monitor refresh / 2x–4x MSAA

## Tuning Preferred Lighting Technology (Voxel, ShadowMap, Future) for your Windows hardware

Every Windows PC responds differently to [Preferred Lighting Technology (Voxel, ShadowMap, Future)](https://bloxstraplabs.ink/engine/lighting-technology-voxel-shadowmap-future). On integrated Intel UHD / Iris Xe or AMD Radeon Vega laptops, conservative settings keep GPU load under 90% and prevent thermal throttling.

On dedicated NVIDIA GeForce GTX/RTX and Radeon RX desktops, pairing `DFFlagDebugRenderForceTechnologyVoxel / FutureIsBrightPhase3` with a matched framerate cap in [Engine Settings](https://bloxstraplabs.ink/engine) delivers the flattest frame-time graph.

## How to apply and benchmark in 60 seconds

1. Open **Bloxstrap Menu** (install from [/download](https://bloxstraplabs.ink/download) if needed) and go to **Engine Settings → Preferred lighting technology**.
2. Select your target value from `Chosen by game, Voxel (Phase 1), ShadowMap (Phase 2), Future (Phase 3)` and click **Save**.
3. Press **Shift+F5** inside Roblox to open the native microprofiler FPS readout and verify your frame time in milliseconds.

## FAQ

### How do I check my actual FPS and frame time inside Roblox?

Press **Shift+F5** in any Roblox experience to toggle the built-in performance stats overlay at the top left of the screen.

### What if changing DFFlagDebugRenderForceTechnologyVoxel / FutureIsBrightPhase3 causes a white screen?

Open Bloxstrap Menu → FastFlags and reset your flags to default, or switch the Rendering Mode back to Direct3D 11.

## Related

- [Preferred Lighting Technology (Voxel, ShadowMap, Future)](https://bloxstraplabs.ink/engine/lighting-technology-voxel-shadowmap-future)
- [Bloxstrap Engine & FastFlags](https://bloxstraplabs.ink/engine)
- [Fix Roblox White Screen or Instant Crash Caused by Bad FastFlags](https://bloxstraplabs.ink/engine/fix-white-screen-or-crash-after-fastflags)
- [Bloxstrap Hardware & Performance Routes](https://bloxstraplabs.ink/routes)
- [Framerate Limit / FPS Unlocker (DFIntTaskSchedulerTargetFps)](https://bloxstraplabs.ink/engine/dfint-task-scheduler-target-fps)

## Download

Free Windows app: [Download Bloxstrap](https://bloxstraplabs.ink/download)

Markdown mirror: https://bloxstraplabs.ink/engine/lighting-technology-voxel-shadowmap-future-best-settings.md