Packing Square Tiles into One Texture

Philippe Decaudin 1 Fabrice Neyret 1
1 EVASION - Virtual environments for animation and image synthesis of natural objects
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
Abstract : This paper deals with the packing of square tiles of the same size into one texture. Texture size is constrained by the graphics hardware. In particular, width and height resolutions must be powers of two. To cover the whole texture and avoid space loss, common schemes pack a number of tiles that is a power of two. We show that numbers of tiles like 5, 13, 17, 25, 34 and others can also be reached without wasting memory. To achieve this, our scheme takes advantage of texture rotation and the wrapping capability of texture-addressing, which gives a toroidal topology to the texture space.
Keywords : textures tiles packing
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Conference papers
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Philippe Decaudin, Fabrice Neyret. Packing Square Tiles into One Texture. Eurographics (short papers), Aug 2004, Grenoble, France. pp.49--52. ⟨inria-00537457⟩

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