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Speed of ray tracing compared to e.g. OpenGL (or other …
https://stackoverflow.com/questions/10909286/speed-of-ray-tracing-compared-to-e-g-opengl-or-other-graphics-implementation
You really can't compare OpenGL and raytracing in that way. OpenGL is a rasterizer drawing API, i.e. it just puts single points, lines and triangles to the screen. There's no such thing like a scene or coherent geometric objects. Even if implemented in software, a rasterizer like OpenGL can be blazingly fast, quite easily.
How to do ray tracing in modern OpenGL? - Stack Overflow
https://stackoverflow.com/questions/3667218/how-to-do-ray-tracing-in-modern-opengl
OpenGL is a rasterizer. Forcing it to do raytracing is possible, but difficult. This is why raytracing is not "ideal for real time graphics in a few years". In a few years, only hybrid systems will be viable. So, you have three possibities. Pure raytracing.
How to do ray tracing in modern OpenGL? - newbedev.com
https://newbedev.com/how-to-do-ray-tracing-in-modern-opengl
You may be confusing some things. OpenGL is a rasterizer. Forcing it to do raytracing is possible, but difficult. This is why raytracing is not "ideal for real time graphics in a few years". In a few years, only hybrid systems will be viable. So, you have three possibities. Pure raytracing.
Ray tracing: GLSL vs CUDA/OpenCL - NVIDIA Developer Forums
https://forums.developer.nvidia.com/t/ray-tracing-glsl-vs-cuda-opencl/17212
Ray tracing: GLSL vs CUDA/OpenCL. sansan June 16, 2010, 12:09pm #1. Hello everybody! I have been asked to implement an efficient ray tracing algorithm in my app. After some surfing on the web and some thinking I have identified two hardware-accelerated ways to do this: Parallel implementation using CUDA/OpenCL. Implementation based on OpenGL SL.
Raytracing support in OpenGL (equivalent of DXR)? - Khronos …
https://community.khronos.org/t/raytracing-support-in-opengl-equivalent-of-dxr/77016
I asked 2 different NVidia guys at SIGGRAPH this year (one of which was presenting on “NVidia RTX on Vulkan” in the NVidia booth), and both said that there are no plans to support the raytracing capability from OpenGL. (RTX being the new GPU line which has the new RT cores – for HW-accelerated ray tracing support – in addition to CUDA ...
graphics - Ray Tracing versus object-based rendering? - Computer ...
https://cs.stackexchange.com/questions/450/ray-tracing-versus-object-based-rendering
Raytracing is slow, specially if you want to implement the more realistic effects that distinguish it from rasterization (e.g. refraction, reflection, motion blur, soft shadows) because this implies creating a lot more rays per pixel. Most people can't tell the difference between real and fake effects, which I think is the key point.
opengl - Rendering (rasterization / ray tracing / others) - Stack …
https://gamedev.stackexchange.com/questions/20707/rendering-rasterization-ray-tracing-others
So the answer to the question "Is it possible to implement a ray tracing algorithm while using OpenGL?" would be: sure, but neither the software or the hardware will be helping you, and the result might not fast enough to be used in a game or another realtime application.
opengl - Game Development Stack Exchange
https://gamedev.stackexchange.com/questions/157354/whats-the-difference-between-raytracing-and-physically-based-rendering
Raytracing can definitely do more realistic computations as it's closer to the physical model, but with current hardware I doubt you will see a render engine running on full raytracing. At best what we will see is a combo of the two. – Sidar Apr 10, 2018 at 8:36 Add a comment You must log in to answer this question.
What’s the Difference Between Ray Tracing and …
https://blogs.nvidia.com/blog/2018/03/19/whats-difference-between-ray-tracing-rasterization/
Ray tracing is the technique modern movies rely on to generate or enhance special effects. Think realistic reflections, refractions and shadows. Getting these right makes starfighters in sci-fi epics scream. It makes fast cars look furious. It makes the fire, smoke and explosions of war films look real.
OpenGL - The Industry Standard for High Performance Graphics
https://www.opengl.org/news/implementing_ray_tracing_on_a_gpu_using_the_opengl_shading_language/
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