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glsl - How to do ray tracing in modern OpenGL? - Stack ...
https://stackoverflow.com/questions/3667218/how-to-do-ray-tracing-in-modern-opengl
Opengl and glsl can be used for both ray and path tracing if you are really good at it. however there are few other better options like Nvidia optix with Cuda toolkit, directx 12, vulkan ray tracing, metal, falcor. Note that, all these are low level APIs that could be good performance with Nvidia recent rtx technology and support multi gpus Share
GitHub - SingleZombie/Ray-Tracing-OpenGL: A OpenGL ...
https://github.com/SingleZombie/Ray-Tracing-OpenGL
Ray-Tracing-OpenGL A OpenGL implement of ray tracing running on GPU. To compile the project, you need to add some extra files: Add glad.c to your project. Add glad, glfw, glm to include path. Add opengl32.lib , glfw3.lib to additional dependency.
GitHub - RedE01/SimpleRaytracing: Simple raytracer …
https://github.com/RedE01/SimpleRaytracing
SimpleRaytracing Made in C++ using OpenGL. Features Reflective and non reflective walls. Walls cast shadows on eachother. Reflective ground and ceiling. Screenshots …
raycasting - Raypicking / raytracing in OpenGL - Game ...
https://gamedev.stackexchange.com/questions/105798/raypicking-raytracing-in-opengl
Transform the ray with the inverse object's matrix into the local object space and make the ray test in that space. Usually transforming the ray is way easier than transforming all your vertices. Its even cheaper, if you use Bounding Objects (Aabb Axis-Aligned-Bounding-Boxes, Obb - Oriented Bounding Boxes, Bounding Sphere etc) for a first Hit Test.
Raytracing in OpenGL using Compute Shaders - Computer ...
https://computergraphics.stackexchange.com/questions/5602/raytracing-in-opengl-using-compute-shaders
setup constant uniforms in quad program, such as "tex" texture unit = 0 } the rendering process to produce one frame will be as follows: bind the compute shader setup camera properties in compute shader uniforms bind level 0 of framebuffer texture to image binding point 0 start/dispatch the compute shader to generate a frame in the …
The Top 66 Opengl Raytracing Open Source Projects on …
https://awesomeopensource.com/projects/opengl/raytracing
Easy Ray Tracing, a lite renderer and tutorial from theory to implement, with OpenGL Opentk Pathtracer ⭐ 22 C# OpenGL Path Tracer, Real-Time GPU accelerated
opengl - Simple Ray Tracer, Diffuse Shading problems …
https://stackoverflow.com/questions/20784135/simple-ray-tracer-diffuse-shading-problems-c
Firstly, if your getRayDirection () is doing what it says it is, it's producing a direction, and not a gaze point, so you should not be subtracting the ray origin from it, which is a point. (Although directions and points are both represented by vectors, it does not make sense to add a point to a direction)
How do we write a ray tracer in opengl? : …
https://www.reddit.com/r/GraphicsProgramming/comments/pudchw/how_do_we_write_a_ray_tracer_in_opengl/
The other approach I saw was to use a compute shader which was introduced in Opengl 4.3 (which looks promising since I saw Sebastian Lague's video of how he used a Compute Shader in unity to implement ray tracing). But for either case, I am not able to find good resources that teach or explain the implementation.
Ray Cast / Ray Tracing - OpenGL: Advanced Coding - …
https://community.khronos.org/t/ray-cast-ray-tracing/73652
Set Ray Lenght. 1. Take the middle point of the ray. 2. Determine if that point is above of below the terrain 3. if the point is below the terrain take the upper half / else take the lower half of the ray 4. Repeat N times steps 1-4.
My Ray Tracing Tutorial : opengl
https://www.reddit.com/r/opengl/comments/hnzhej/my_ray_tracing_tutorial/
The first series covers building a simple ray tracer in GLSL. I just stumbled upon this reddit group and decided to share it with you. I hope some of you will find it useful, that would make me super happy. Currently, there are 4 parts, covering basic sphere-ray intersection, directional and point light, Phong shading, and reflections.
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