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-rw-r--r--HardwareWithoutMipmaps.mdwn10
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# Handling hardware that can't handle mipmaps
To one degree or another, most older graphics chips do not support mipmaps. Some new chips, such as the R100 family, don't support mipmaps on cubic or volume textures. This document presents a couple different ways to deal with such hardware. A description of each technique will be presented along with its pros and cons.
@@ -11,14 +9,14 @@ ATI Rage IIc | No | Scanline | No | N/A | N/A
ATI [[RagePro|RagePro]] | Yes | Polygon setup | No | N/A | N/A
ATI Radeon R100 | Yes | TNL | Yes | No | No
ATI Radeon R200 | Yes | TNL | Yes | No | Yes
-S3 Virge | No* | Scanline | No | N/A | N/A
-3Dlabs 500TX | No | Polygon setup** | No | N/A | N/A
+S3 Virge | No<sup>[1](#driver-exists)</sup> | Scanline | No | N/A | N/A
+3Dlabs 500TX | No | Polygon setup<sup>[2](#polygon-setup)</sup> | No | N/A | N/A
Matrox G100 | No | Scanline? | No? | N/A | N/A
"""]]
-* A driver exists, but it is not maintained and is know to have significant problems.
+<a name="driver-exists">1</a>: A driver exists, but it is not maintained and is know to have significant problems.
-** Polygon setup is performed by a Glint Delta chip, and rasterization is performed by the 500TX. Some (rare) cards may exist that omit the Delta, and it may be possible to circumvent the Delta and program the 500TX directly.
+<a name="polygon-setup">2</a>: Polygon setup is performed by a Glint Delta chip, and rasterization is performed by the 500TX. Some (rare) cards may exist that omit the Delta, and it may be possible to circumvent the Delta and program the 500TX directly.
## Clamp to base LOD