From 5a2c8901b25d9ba32eb411c465cf87bdb91c401b Mon Sep 17 00:00:00 2001 From: Sean Barrett Date: Sun, 2 Feb 2020 07:37:10 -0800 Subject: [PATCH] stb_dxt: documentation change for constant alpha --- stb_dxt.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/stb_dxt.h b/stb_dxt.h index 6a76b1c..63aa598 100644 --- a/stb_dxt.h +++ b/stb_dxt.h @@ -5,8 +5,9 @@ // USAGE: // call stb_compress_dxt_block() for every block (you must pad) // source should be a 4x4 block of RGBA data in row-major order; -// A is ignored if you specify alpha=0; you can turn on dithering -// and "high quality" using mode. +// Alpha channel is not stored if you specify alpha=0 (but you +// must supply some constant alpha in the alpha channel). +// You can turn on dithering and "high quality" using mode. // // version history: // v1.08 - (sbt) fix bug in dxt-with-alpha block