Scene: use better clipping mode for material textures.

This eliminates the black borders on runways between threshold and
designation textures and also between two designation numbers.

Thanks to Emilian for tracking this down!

diff --git a/simgear/scene/material/mat.cxx b/simgear/scene/material/mat.cxx
index 51b2d2dbe12411b582807d8262f5b89f1502542f..7a38c8fbcc447d6f982a10e7736072c80030384c 100644 (file)
--- a/simgear/scene/material/mat.cxx
+++ b/simgear/scene/material/mat.cxx
@@ -514,9 +514,9 @@ void SGMaterial::buildEffectProperties(const SGReaderWriterOptions* options)
             makeChild(texProp, "filter")
                 ->setStringValue(mipmap ? "linear-mipmap-linear" : "nearest");
             makeChild(texProp, "wrap-s")
-                ->setStringValue(wrapu ? "repeat" : "clamp");
+                ->setStringValue(wrapu ? "repeat" : "clamp-to-edge");
             makeChild(texProp, "wrap-t")
-                ->setStringValue(wrapv ? "repeat" : "clamp");
+                ->setStringValue(wrapv ? "repeat" : "clamp-to-edge");
         }
         makeChild(effectParamProp, "xsize")->setDoubleValue(xsize);
         makeChild(effectParamProp, "ysize")->setDoubleValue(ysize);