What is Ray Tracing and how does this technology work on GPU?

THE Ray Tracing is a new graphics rendering technology that uses ray tracing to create more realistic lighting effects. when This component is installed on your GPU, Your games will have better-defined images in terms of shadows and reflections.It approaches with scenes that seem to have come straight out of a movie.

Originally released by Nvidia, the technology that originated in cinema is now available on many consoles, as well as being installed on various graphics cards. Below, we explain everything that ray tracing can bring to your gaming experience.

What is Ray Tracing for?

Ray Tracing serves to improve your gaming experience by producing more dynamic images with reflections, refractions, and more realistic 3D graphic lighting.

This is all done from: Sending light rays to a three-dimensional target through a virtual camera representing the user’s view, illuminated by a simulated light source.

This is an advanced technology developed to replace simpler rendering techniques such as rasterization, which creates two-dimensional images pixel by pixel, or mapping static textures, which simulates three-dimensional objects in a 2-dimensional image.

How does Ray Tracing work?

The presence of Ray Tracing allows the graphics card to reproduce lighting and shading effects in games in real time, creating incredibly more realistic images. This is due to changes in the way light falls on the images displayed on the screen. games.

Typically in games there is direct and indirect lighting. The former is what determines the color and amount of light that falls on the surface, but ignores light that reaches the surface from another source, such as reflections.

Indirect light determines the color and amount of all other light reaching a surface. It is more difficult to calculate because it depends on a larger number of light paths.

Then Ray Tracing, Invests in global illumination by combining direct and indirect illumination, including complex reflections in the imagesuch as those resulting from materials such as glass, water, smoke, fog, etc. Shadows are then added to create much more realistic looking images.

How to enable ray tracing in games?

To enable ray tracing in your games, you’ll be relying on both the GPU and the game itself. This is because this technology requires a lot of processing power, which in turn requires a lot of power from your machine.

When activated, Ray Tracing tends to reduce resolution from 4K to 1080p, for example – or the number of speeds per second – from 60 to 30 or 24.

In other words, the resource needs to be available in your chosen game in order to be used. If so, you’ll need to go into the title’s video settings and enable it.

Your PC or console also needs to be compatible with the technology. PCs require an NVIDIA GeForce RTX graphics card (2060 or better) or AMD Radeon RX (6600 XT or better). Consoles include PlayStation 5, Xbox Series X, and Xbox Series S models that can run ray tracing.

In the future, most likely, Ray Tracing is becoming the standard in the gaming industryuntil it is replaced by something more advanced.

Why do only some video cards have ray tracing?

This must be remembered Ray Tracing is a new technology that requires complex calculationsFor this reason, graphics chips with advanced structures are needed to process light rays.

Theoretically, it is possible to use ray tracing on older GPUs, but only at lower resolutions or with high render times. Generally speaking, graphics cards that support ray tracing have dedicated GPU cores.

Which games support ray tracing?

Check out the list of good games that currently offer Ray Tracing:

• Battlefield V;
• Call of Duty: Modern Warfare;
• Control;
• Cyberpunk 2077;
• Cycle of Death;
• Dying Light 2: Stay Human;
• Far Cry 6;
• F1 22;
• Fortnite;
• Marvel’s Guardians of the Galaxy;
• Metro Exit;
• minecraft;
• Marvel’s Spider-Man: Miles Morales;
• Quake II RTX;
• Resident Evil Village;
• Shadow of the Tomb Raider;
• Environment;
• Watch Dogs: Legion.

What is the difference between Ray Tracing and Ray Casting?

Ray Tracing and Ray Casting are almost synonymous in the computing field. However, we can say that there are slight differences between the technologies.

• Ray Tracing: Technology that identifies and mathematically reproduces the path that each ray of light follows from the observer’s eye in the reverse direction to its starting point. Each ray of light has multiple straight-line components and includes reflection and refraction as well as shadow effects from a point within the image.
• Rail Casting: It is a more basic form of Ray Tracing, in which the light source transmits light rays that reflect off objects in the path and converge towards the observer.

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