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c++ - Ray Tracing with GLSL - Stack Overflow
https://stackoverflow.com/questions/24702767/ray-tracing-with-glsl
Pass the viewport dimensions to the shader as a uniform, along with the inverse projection matrix, and apply the formulae here. This gives a view or 'eye' coordinate space ray from [0,0,0,1] through [x,y,z,w], or just [0,0,0] -> [x/w,y/w,z/w]. You can then set up a sphere somewhere inside the view volume. i.e., use glViewport to handle the ...
c++ - Optimizing a raytracing shader in GLSL - Stack …
https://stackoverflow.com/questions/50778260/optimizing-a-raytracing-shader-in-glsl
Apply a little displacement (e.g. a 1/1000 of the smallest voxel size) to I0e by the r unit vector of the ray: I1 = I0e + r/1000. Find the voxel to …
GLSL/GLSL_EXT_ray_tracing.txt at master - GitHub
https://github.com/KhronosGroup/GLSL/blob/master/extensions/ext/GLSL_EXT_ray_tracing.txt
This extension document modifies GLSL to add new shader stages to support ray tracing. They are namely ray generation, intersection, any-hit, closest-hit, miss stages and. callable collectively referred as ray tracing stages. This extension document adds support for the following extensions to be used. within GLSL:
GLSL/GLSL_NV_ray_tracing.txt at master - GitHub
https://github.com/KhronosGroup/GLSL/blob/master/extensions/nv/GLSL_NV_ray_tracing.txt
This extension document modifies GLSL to add new shader stages to support ray tracing. callable collectively referred as ray tracing stages. This extension document adds support for the following extensions to be used. - GL_NV_ray_tracing - enables ray tracing stages. where <behavior> is as specified in section 3.3.
Real Time Raytracing with GLSL Shader - YouTube
https://www.youtube.com/watch?v=V5Y06xkRWio
Raytracing shader that I wrote for an assignment at DigiPen. Took about a day and a half to do.Features:- Recursive Ray Tracing - Reflection and transmissi...
GLSL Shaders 1.18, 1.18.2 → 1.17 - Required for Old …
https://minecraftshader.com/glsl-shaders/
GLSL has been discontinued for version higher than 1.8.8, after this version it is necessary to use Optifine. Installing GLSL Shaders for Old Versions. Ensure Minecraft Forge has been installed already. Download GLSL Shaders. Minecraft application folder should be searched for . For Windows, open “Run” via your Start menu.
Tutorial: Vulkan GLSL Ray Tracing Emulator
https://www.gsn-lib.org/docs/nodes/raytracing.php
The Vulkan GLSL Ray Tracing Emulator is an online application that aims to simulate the ray tracing shader pipeline from the Vulkan GL EXT ray tracing specification . To this end, a pre-compiler is provided that translates the ray tracing shader code into a classic WebGL GLSL fragment shader, which generates a direct preview of the shader's ...
Introducing Assignment 3: GLSL & Raytracing I
https://www.cs.princeton.edu/courses/archive/spring20/cos426/precepts/Precept-6.pdf
The fragment shader operates on each of the pixels inside this rectangle and computes that pixel’s color NB: each pixel’s position was interpolated from the original 4 vertices! The resulting color for each pixel is what we get from tracing a ray for the corresponding ”pixel” in the camera!
GLSL Shaders With WebGL - Irken Kitties
https://irkenkitties.com/blog/2016/02/10/glsl-shaders-with-webgl/
Here is a neat example of using shaders in WebGL, read on to see the GLSL shader code. Fragment Shader. This is an example of Ray Marching using Distance Fields. The map function given here is for a sphere, it accepts a point p and returns the distance p is from the surface of a sphere with radius 0.25 units.
SEUS PTGI Download 1.18 → 1.18.2 - Ray Tracing Shader
https://minecraftshader.com/seus-ptgi-shaders/
Minecraft Ray Tracing without an RTX Graphics Card. It can be said that the significant strength of SEUS PTGI Shaders 1.18 is the ray-tracing effects that it brings. With this feature, your world will have much better and improved shadows as well as reflections.
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