Silhouette Maps for Improved Texture Magnification

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Finally, we reach the present-day with Doom 3, which was released only a few weeks ago. Of the four screenshots I have shown you, this is the only one that I did not acquire myself, but is one of the promotional images that have been circulating about the game.

We can see at the back here that we have what appears to be a soda vending machine with a blurry texture. Amazingly enough, the problem of texture magnification is plaguing even the newest games!

First-person shooters are particularly prone to these problems because almost all the surfaces in the game world need to be textured and the player can typically walk up to any surface and zoom in to the texture. Because the game developers cannot afford to store every texture at high resolution, they must make concessions and must let some textures appear blurry at run-time.

As presented at SIGGRAPH/EUROGRAPHICS Graphics Hardware 2004
by Pradeep Sen on August 30, 2004