Originally posted by Danny3
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Intel Continues Making Preparations For Ray-Tracing With Their Linux Graphics Driver
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Right now Ray tracing in video games is a gimmick. They are only using it for a few effects and the performance hit is immense while the visual improvement barely noticeable at best. Nothing that couldn't be achieved with traditional methods. I am sorry but that's the truth. Until hardware becomes far more capable, it is better to focus on performance without raytracing on.
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Originally posted by Luke_Wolf View Post
Currently AMD and Nvidia both are incredibly weak at Ray Tracing to the point where most of what turning Ray Tracing on is good for is tanking your FPS for limited usage of rays and visual returns that are barely noticeable in normal play. Given this is the case from the long term incumbents in the market why would you expect Intel's newcomer raytracing to be useful?
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Originally posted by piotrj3 View Post
1st. Nvidia isn't weak at raytracing. If you look at Marbles at night demo - full path traced demo running real time, that is incredible. I did manage to run it at limited resolution at my 2060 super, and it is truly incredible.
Originally posted by piotrj3 View Post
2nd. It is only barerly noticable in cases of light raytracing work (like raytraced shadows, since most engines got really good using shader based shadows, making shadows only marginally better using raytracing). Raytraced reflections are a ton better then shader based ones, and global illumination gives entire new life to many places.
3rd. It simplifies a lot work for future game developers. At point when raytracing will be mandatory, a lot of things might become redundant - eg. no baking lights, a lot of complicated reflection shaders can be replaced by quite simple raytracing reflection queries, or simply move entirly to path tracing. Path tracing engines are quite simple to write, while engines supporting tons of special shaders just to proc special effect are super complicated and often fake results.
From my perspective (a hobbyist noob). I agree games will start to depend much more on raytracing based techniques but the majority of the work is going to be done by compute (shaders) not dedicated ray tracing hardware. We will have to wait and see what next generation GPUs will give before we know for sure. For now we can look at what game engines are already investing in: https://docs.unrealengine.com/5.0/en...eatures/Lumen/
Originally posted by piotrj3 View Post
4th. It is incredibly useful for rendering like in Blender. With Optix even 3060 beats hard 6900XT using HIP while in cuda 3070 is around same performance as 6900XT using HIP.
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Originally posted by Danny3 View PostIsn't Intel's hardware too weak to run Ray-tracing
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Originally posted by piotrj3 View Post
1st. Nvidia isn't weak at raytracing. If you look at Marbles at night demo - full path traced demo running real time, that is incredible. I did manage to run it at limited resolution at my 2060 super, and it is truly incredible.
Anyway, Intel supposedly has decent RT performance according to the rumors. Probably not quite as good as Nvidia, but better than AMD.
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Originally posted by Luke_Wolf View Post
Currently AMD and Nvidia both are incredibly weak at Ray Tracing to the point where most of what turning Ray Tracing on is good for is tanking your FPS for limited usage of rays and visual returns that are barely noticeable in normal play. Given this is the case from the long term incumbents in the market why would you expect Intel's newcomer raytracing to be useful?
2nd. It is only barerly noticable in cases of light raytracing work (like raytraced shadows, since most engines got really good using shader based shadows, making shadows only marginally better using raytracing). Raytraced reflections are a ton better then shader based ones, and global illumination gives entire new life to many places.
3rd. It simplifies a lot work for future game developers. At point when raytracing will be mandatory, a lot of things might become redundant - eg. no baking lights, a lot of complicated reflection shaders can be replaced by quite simple raytracing reflection queries, or simply move entirly to path tracing. Path tracing engines are quite simple to write, while engines supporting tons of special shaders just to proc special effect are super complicated and often fake results.
4th. It is incredibly useful for rendering like in Blender. With Optix even 3060 beats hard 6900XT using HIP while in cuda 3070 is around same performance as 6900XT using HIP.
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Originally posted by Luke_Wolf View Post
Currently AMD and Nvidia both are incredibly weak at Ray Tracing to the point where most of what turning Ray Tracing on is good for is tanking your FPS for limited usage of rays and visual returns that are barely noticeable in normal play. Given this is the case from the long term incumbents in the market why would you expect Intel's newcomer raytracing to be useful?
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Originally posted by microcode View Post
"weak" is not the comparison. This is about hardware ray queries, so it has little to do with the general purpose compute capabilities of the hardware. Also... I mean, Intel's top line performance has been increasing rapidly over the last few years, and their new desktop GPUs are possibly worth running some raytracing workload on. Even at laptop power budgets, if you're going to be doing raytracing, and you can handle the programming complexity of doing it on the GPU, then the GPU raytracing capability will almost always be more power efficient than doing it on the CPU, or doing it with general purpose GPU compute.
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Originally posted by castlefox View Post
I dont expect Intel's high end card will be competitive with AMD/NVidia, but they are doing the right moves to get there one day.
edit: If you go to 8:28 of same video. the lowest end Intel card will be pretty weak but still perform Ray Tracing.Last edited by CTown; 05 December 2021, 03:19 PM.
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