--- Mesa-7.8.2/src/mesa/swrast/s_texfilter.c	2010-06-15 13:43:43.000000000 -0400
+++ /home/bjacob/s_texfilter.c	2010-11-22 10:15:38.000527884 -0500
@@ -1366,6 +1366,7 @@
       rgba[k][RCOMP] = UBYTE_TO_FLOAT(texel[2]);
       rgba[k][GCOMP] = UBYTE_TO_FLOAT(texel[1]);
       rgba[k][BCOMP] = UBYTE_TO_FLOAT(texel[0]);
+      rgba[k][ACOMP] = 1.0f;
    }
 }