SEUS PTGI HRR

The SEUS PTGI HRR look, effect by effect

Four of these seven tiles describe the same underlying decision: light is traced rather than approximated. Path tracing, ray-traced reflections, ray-traced shadows and global illumination are not four separate features bolted together but four visible consequences of one system. The caustics tile is the clearest proof of it, because a net of light on the seabed is very hard to fake convincingly and this pack is not faking it.

SEUS PTGI HRR ships 7 headline effects. Every image below comes from the pack rather than from us. 6 of 6 are crops from SEUS PTGI HRR's own screenshots: for each effect we found the published frame where it is most visible and cut out the region where it is actually taking place. The screenshot heading the page is from the same set, so any crop here can be put back into its full scene.

SEUS PTGI HRR in short

Where SEUS PTGI HRR works

Minimum system requirements

How SEUS PTGI HRR changes Minecraft

This pack changes nothing about how blocks are painted and everything about how light reaches them. Read them as one system seen from several angles rather than as separate features. Every item below follows from one decision, to trace rather than approximate:

• Path tracing: light travels surface to surface for real, so a red wall throws red onto the floor beside it with no approximation filling the gap.
• Ray-traced reflections: reflections are traced rather than read off the screen, holding at grazing angles and still showing what the camera has passed.
• Ray-traced shadows: each shadow is traced per light ray, keeping the contact edge sharp while the far edge blurs on its own.
• Global illumination: indirect light carries colour as it bounces, so shaded areas take on the hue of what lights them instead of going grey.
• Caustics: sunlight bends through the water surface and lands on the seabed as a moving net of brightness, computed rather than painted on.
• Volumetric lighting: light hangs visibly in the air and lights what it passes through, tied into the same traced system as everything else.
• Overall direction: the closest thing to offline rendering that still runs inside Minecraft, built for people who will accept the cost to get there.

SEUS PTGI HRR at a glance

Performance and requirements

Related topics

What to turn down first in SEUS PTGI HRR

At this level the settings that matter are the ones that decide how much of the world has to be kept available and how many rays are spent on it.

1. 1

   Render distance: not in the shader menu, and still the biggest lever here. Everything expensive scales with it.

2. 2

   Ray count or GI quality: fewer rays means a noisier image that the temporal filter mostly cleans up while you are still.

3. 3

   Ray-traced reflections: the most expensive of the traced effects on a water-heavy world, and the easiest to give up inland.

Caustics are cheap relative to the rest and they are much of what makes this pack recognisable, so keep them.

Where SEUS PTGI HRR sits in our shortlists

It is the reason our heaviest shortlist exists, even though its version ceiling keeps it off the current-version list:

• Best shaders for high-end PCs

Why SEUS PTGI HRR is not on the 1.21 shortlist

Same ceiling as Renewed and the same loader requirement, with the added condition that the path-traced build is distributed through the author's Patreon rather than a public file. If you are on 1.21 or later, there is no version of this pack that will load.