Hitchhiker's guide to the universe of graphics

The  workload until now lies on the Optix code which runs totally on the GPU , using the host code on the CPU for coordination and organizat...

A parallel Android project , prevented me from posting earlier but I believe that i have sorted out the specular gloss effect as described b...

In this post , i present to you the specular glossy material according to the Phong model. Next step is the Schlick "metalness"...

The current installment in my project was Depth of Field effect. This simple effect in path tracing is the effect of simulating the focus ab...

What should happen if several lights appear into the scene ? I mean : how do we select the appropriate light to get a sample from where th...

Up until the last post , i have been using a very naive importance sampling. I found the several combinations of paths for each pixel , the ...

I have finally implemented the use of textures in my scene. The textures are in the form of .ppm files ,the same as the Nvidia-examples used...