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clamp BiasMin, BiasMax to reasonable values

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Brian Paul
2004-03-26 18:05:36 +00:00
parent 04800374ee
commit f132413965
1 changed files with 8 additions and 0 deletions
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8
progs/demos/lodbias.c
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@@ -252,6 +252,14 @@ static void Init( void )
printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias); printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias);
BiasMin = -100 * maxBias; BiasMin = -100 * maxBias;
BiasMax = 100 * maxBias; BiasMax = 100 * maxBias;
/* Since we have (about) 8 mipmap levels, no need to bias beyond
* the range [-1, +8].
*/
if (BiasMin < -100)
BiasMin = -100;
if (BiasMax > 800)
BiasMax = 800;
} }