Oops, actually select OS X ;)

[xonotic/xonotic.git] / misc / tools / cached-converter.sh

diff --git a/misc/tools/cached-converter.sh b/misc/tools/cached-converter.sh
index 9fbdf240eb3594fbd3b243fa9a1edf93606bdbdf..a538c70981f6ec0c7517f4f3559d3125dda0efa7 100755 (executable)
--- a/misc/tools/cached-converter.sh
+++ b/misc/tools/cached-converter.sh
@@ -21,8 +21,8 @@ set -e
 : ${del_src:=false}
 : ${git_src_repo:=}
 : ${dds_noalpha:=dxt1}
-: ${dds_prealpha:=dxt2 dxt4}
-: ${dds_sepalpha:=dxt3 dxt5}
+: ${dds_prealpha:=dxt1 dxt2 dxt4}
+: ${dds_sepalpha:=dxt1 dxt3 dxt5}
 
 selfprofile_t0=`date +%s`
 selfprofile_step=init
@@ -396,25 +396,36 @@ for F in "$@"; do
                        ;;
        esac
 
-       # configure S2TC
+       # Specific hacks for normalmaps.
        case "$f" in
                ./maps/*/lm_[0-9][0-9][0-9][13579]) # deluxemap
                        export S2TC_COLORDIST_MODE=NORMALMAP
                        export S2TC_RANDOM_COLORS=256
                        export S2TC_REFINE_COLORS=LOOP
                        export S2TC_DITHER_MODE=NONE
+                       # Engine ignores alpha channel on these, so we can use the DXT1 black encoding.
+                       # Not that that color should happen very often on a deluxemap, but who knows.
+                       # NOT renormalizing, as DP does its own renormalization anyway in the GLSL shader
+                       # and crunch's renormalizing looks like it can cause banding artifacts.
+                       export CRUNCH_TEXTYPEFLAGS='-gamma 1.0 -uniformMetrics -usetransparentindicesforblack'
                        ;;
                *_norm)
                        export S2TC_COLORDIST_MODE=NORMALMAP
                        export S2TC_RANDOM_COLORS=256
                        export S2TC_REFINE_COLORS=LOOP
                        export S2TC_DITHER_MODE=NONE
+                       # Alpha channel here means height.
+                       # NOT renormalizing, as DP does its own renormalization anyway in the GLSL shader
+                       # and crunch's renormalizing looks like it can cause banding artifacts.
+                       export CRUNCH_TEXTYPEFLAGS='-gamma 1.0 -uniformMetrics'
                        ;;
                *)
                        export S2TC_COLORDIST_MODE=SRGB_MIXED
                        export S2TC_RANDOM_COLORS=64
                        export S2TC_REFINE_COLORS=LOOP
                        export S2TC_DITHER_MODE=FLOYDSTEINBERG
+                       # Color channel-like images - consider as sRGB.
+                       export CRUNCH_TEXTYPEFLAGS='-gamma 2.2'
                        ;;
        esac