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Ray tracing with OpenGL Compute Shaders (Part I)
https://blog.lwjgl.org/ray-tracing-with-opengl-compute-shaders-part-i/
Dec 8, 2014 • 1 min read. An excellent first part article/tutorial of a series on 'Ray tracing with OpenGL Compute Shaders' by Kai Burjack. Its pretty rare to find good tutorials covering such topics especially using modern OpenGL techniques. By the end of the tutorial series its expected that you'll be able to produce cool results like the ...
Raytracing in OpenGL using Compute Shaders - Stack Exchange
https://computergraphics.stackexchange.com/questions/5602/raytracing-in-opengl-using-compute-shaders
I am making a real time ray tracer in OpenGL using Compute Shaders for my project and was following this link as a reference. The link tells to first draw a full screen quad, then store all the individual pixel colors gotten through intersections in a texture and render the texture to the quad.
Raytracing in OpenGL via compute shader - Stack Overflow
https://stackoverflow.com/questions/15344282/raytracing-in-opengl-via-compute-shader
I use a resolution of 1024x768 at the moment and this is how I dispatch my compute shader: #define WORK_GROUP_SIZE 16 void OpenGLRaytracer::renderScene (int width, int height) { glUseProgram (_progID); glDispatchCompute (width/WORK_GROUP_SIZE, height/WORK_GROUP_SIZE,1); glMemoryBarrier (GL_TEXTURE_FETCH_BARRIER_BIT); }
GitHub - D-K-E/raytracing-gl: OpenGL compute shader …
https://github.com/D-K-E/raytracing-gl
Real-time Ray-tracing with Compute Shader in OpenGL
https://www.youtube.com/watch?v=NjPYuC4lKfo
We implemented breadth-first ray-tracing with Compute Shader in OpenGL. The Fresnel reflection and refraction of metal and water are expressed. We adopted HDRI for environment-mapping and...
Compute Shaders - Anton's OpenGL 4 Tutorials
https://antongerdelan.net/opengl/compute.html
You set up shader storage blocks or images that the compute shader can read from or write to. You may also use uniforms as per normal. i.e. create a texture with the dimensions of the 2d image. You call glDispatchCompute() and OpenGL will launch as many compute shader invocations as it requires to complete your work group. It will try to do these in …
Raytracing via Compute Shader in OpenGL - YouTube
https://www.youtube.com/watch?v=ycSOnGzbNO4
Since I got curious about raytracing I wanted to implement a raytracer making use of GPGPU by myself. The result is a naive real time raytracer which is enti...
GitHub - Hirevo/OpenGL-Raytracer: C++ GPU ray-tracing using OpenGL …
https://github.com/Hirevo/OpenGL-Raytracer
Latest commit. Hirevo Added first files. aae0735 on Sep 29, 2017. Added first files. Added basic raytracing compute shader supporting: - Phong lighting model and reflections - Only spheres and planes - Object and camera transforms - Resolution scaling - Real-time camera movement. aae0735. Git stats. 1 commit. Files.
Ray Tracing: Using the Fragment Shader (+ Rendering Triangles, Ambient ...
https://www.youtube.com/watch?v=v3UhfocpO44
The entire set of ray tracing calculations occur in the Fragment shader (OpenGL GLSL code) - therefore using the GPU.
Ray tracing with Compute Shader
https://fileadmin.cs.lth.se/cs/Education/EDAN35/projects/16TobiasPhilip_RayTracer.pdf
The ray tracing is done in the Compute Shader to allow us to do the computations on the GPU. A Compute Shader is a general shader without well-defined inputs and outputs and are used for arbitrary computations. The code in the Compute Shader is written in GLSL, OpenGL Shading Language. 2.1 Scene and objects
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