Later Solutions
With Moore's law working, integrated circuits became more and more complex. The simple Video Display Controllers were slowly replaced by chips that had built-in video processing logic such as Blitters and other logic to manipulate the video RAM contents to do things like drawing lines, filling areas, or drawing fonts. Later chips also got special hardware to draw filled triangles to support 3D images, gained hardware Z-buffers and many other methods to accelerate the drawing of 3D pictures. Current Video generator chips almost always are "Graphics processing units" (GPU's) Entry-level PCs today commonly have the video display integrated into the motherboard chipset, which "steals" some system RAM for the display. The performance of such a system is not as good as one with dedicated video hardware.
Read more about this topic: Video Display Controller
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