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| 14 | <TITLE>Hardware Buffers In OGRE: Texture Types</TITLE> |
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| 32 | <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="vbo-update_toc.html#SEC_Contents">Contents</A>]</TD> |
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| 33 | <TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> |
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| 35 | </TR></TABLE> |
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| 36 | <HR SIZE=1> |
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| 37 | <H3> 2.8.3 Texture Types </H3> |
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| 38 | <!--docid::SEC30::--> |
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| 39 | <P> |
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| 40 | |
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| 41 | There are four types of textures supported by current hardware, three of them only differ in the amount of dimensions |
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| 42 | they have (one, two or three). The fourth one is special. The different texture types are: |
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| 43 | </P><P> |
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| 44 | |
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| 45 | <DL COMPACT> |
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| 46 | |
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| 47 | <DT>TEX_TYPE_1D |
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| 48 | <DD>One dimensional texture, used in combination with 1D texture coordinates. |
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| 49 | <DT>TEX_TYPE_2D |
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| 50 | <DD>Two dimensional texture, used in combination with 2D texture coordinates. |
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| 51 | <DT>TEX_TYPE_3D |
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| 52 | <DD>Three dimensional volume texture, used in combination with 3D texture coordinates. |
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| 53 | <DT>TEX_TYPE_CUBE_MAP |
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| 54 | <DD>Cube map (six two dimensional textures, one for each cube face), used in combination with 3D texture coordinates. |
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| 55 | <P> |
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| 56 | |
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| 57 | </DL> |
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| 58 | <P> |
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| 59 | |
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| 60 | <A NAME="SEC31"></A> |
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| 61 | <H3> Cube map textures </H3> |
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| 62 | <!--docid::SEC31::--> |
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| 63 | <P> |
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| 64 | |
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| 65 | The cube map texture type (TEX_TYPE_CUBE_MAP) is a different beast from the others; a cube map texture represents a series of six two dimensional images addressed by 3D texture coordinates. |
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| 66 | |
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| 67 | <DL COMPACT> |
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| 68 | <DT>+X (face 0) |
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| 69 | <DD>Represents the positive x plane (right). |
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| 70 | <DT>-X (face 1) |
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| 71 | <DD>Represents the negative x plane (left). |
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| 72 | <DT>+Y (face 2) |
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| 73 | <DD>Represents the positive y plane (top). |
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| 74 | <DT>-Y (face 3) |
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| 75 | <DD>Represents the negative y plane (bottom). |
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| 76 | <DT>+Z (face 4) |
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| 77 | <DD>Represents the positive z plane (front). |
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| 78 | <DT>-Z (face 5) |
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| 79 | <DD>Represents the negative z plane (back). |
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| 80 | </DL> |
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| 81 | <P> |
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| 82 | |
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| 83 | <A NAME="Pixel Formats"></A> |
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| 87 | This document was generated |
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| 88 | by <I>Steve Streeting</I> on <I>, 12 2006</I> |
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