clamp lodbias

diff --git a/src/mesa/drivers/dri/tdfx/tdfx_render.c b/src/mesa/drivers/dri/tdfx/tdfx_render.c
index dc3f7f6..1c55289 100644 (file)
--- a/src/mesa/drivers/dri/tdfx/tdfx_render.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_render.c
@@ -501,7 +501,7 @@ static void uploadTextureParams( tdfxContextPtr fxMesa )
       fxMesa->Glide.grTexClampMode(GR_TMU0 + unit, p->sClamp, p->tClamp);
       fxMesa->Glide.grTexFilterMode(GR_TMU0 + unit, p->minFilt, p->magFilt);
       fxMesa->Glide.grTexMipMapMode(GR_TMU0 + unit, p->mmMode, p->LODblend);
-      fxMesa->Glide.grTexLodBiasValue(GR_TMU0 + unit, p->LodBias);
+      fxMesa->Glide.grTexLodBiasValue(GR_TMU0 + unit, CLAMP(p->LodBias, -8, 7.75));
    }
 }