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What is fake rt?

What is fake rt?

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clix800
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03-22-2018, 07:58 PM
#1
I've experimented with various Minecraft Java shaders that mimic the appearance of rt, but they avoid using rt cores since Java doesn't support them. I'm just exploring how these fake rt effects work.
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C
clix800
03-22-2018, 07:58 PM #1

I've experimented with various Minecraft Java shaders that mimic the appearance of rt, but they avoid using rt cores since Java doesn't support them. I'm just exploring how these fake rt effects work.

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Lacrosseboss15
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03-23-2018, 12:59 AM
#2
simple answer: no need for "RT cores" in ray tracing, it's outdated tech. They're just a gimmick, not essential.
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Lacrosseboss15
03-23-2018, 12:59 AM #2

simple answer: no need for "RT cores" in ray tracing, it's outdated tech. They're just a gimmick, not essential.

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Flexacute
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03-29-2018, 12:05 AM
#3
Avoid framing it as "fake vs. real" or comparing hardware and software. Instead, focus on how Nvidia integrates RT cores directly into their cards for performance gains.
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Flexacute
03-29-2018, 12:05 AM #3

Avoid framing it as "fake vs. real" or comparing hardware and software. Instead, focus on how Nvidia integrates RT cores directly into their cards for performance gains.

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FrenchTost
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03-29-2018, 07:55 PM
#4
Ray tracing has been a technique for years, used in films for special effects and full-length movies. Its heavy computational demands make it unsuitable for CPU processing unless you want very smooth playback. For instance, Toy Story 3 required about seven hours to render one frame. While graphics cards have improved raster graphics over time, they still handle ray tracing efficiently. Early games like Descent (1994) and Quake (1996) relied on low-resolution outputs—such as 320 x 200—to maintain around 30 frames per second. GPUs stepped in by offering hardware acceleration for tasks like texturing, enabling higher resolutions and frame rates. These "fake RT" shaders either mimic ray tracing with simplified algorithms or run at lower resolutions and precision to achieve acceptable performance. The adoption of RT cores now allows faster execution, better textures, and higher resolution outputs while maintaining more accurate results.
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FrenchTost
03-29-2018, 07:55 PM #4

Ray tracing has been a technique for years, used in films for special effects and full-length movies. Its heavy computational demands make it unsuitable for CPU processing unless you want very smooth playback. For instance, Toy Story 3 required about seven hours to render one frame. While graphics cards have improved raster graphics over time, they still handle ray tracing efficiently. Early games like Descent (1994) and Quake (1996) relied on low-resolution outputs—such as 320 x 200—to maintain around 30 frames per second. GPUs stepped in by offering hardware acceleration for tasks like texturing, enabling higher resolutions and frame rates. These "fake RT" shaders either mimic ray tracing with simplified algorithms or run at lower resolutions and precision to achieve acceptable performance. The adoption of RT cores now allows faster execution, better textures, and higher resolution outputs while maintaining more accurate results.

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