@foxo You need to create a bitmap and temporary device context (DC) that's compatible with your window. You can get a pointer to the bitmap pixels using GetDIBits. All drawing should be done using the pointer. You then copy the pointer back to the bitmap/dc using SetDIBits. Last step is to blit the…

foxo said:

I also realised that gpu drivers and extremely low level gpu programming are some kind a ‘secret’ knoladge that nobody know how to do except the elit at vulkan and other specialised company that won't tell us there ‘secrets’. that's why I am asking : How to draw from gpu to the screen or …