I'm trying to wrap my head around calculating motion vectors (also called velocity buffer). I found this tutorial, but I'm not satisfied with explanations of how motion vector are calculated. Here is ...

I am implementing a custom mathematics library to create model, view and projection matrices in OpenGL and DirectX. I am doing this, to improve my understanding in the mathematics behind 3D applicatio...

Let's assume that 2D texture is defined using glTexImage2D with the null data pointer. Does passing the null data pointer zeroes memory or I may get some garbage data when a fragment shader samples th...

ARB_texture_storage is a core feature since OpenGL 4.2. The extension had been released before OpenGL 4.2. I would like to determine what is minimum OpenGL version which has to be supported by hardwar...