Use R8 format when extracting a single channel from an image

diff --git a/blender/io_mspgl/export_texture.py b/blender/io_mspgl/export_texture.py
index 2860d461d8874efd708b3e424332dbd42aaf2da3..8e107a718a3644dba03ffc13393c587470c95f97 100644 (file)
--- a/blender/io_mspgl/export_texture.py
+++ b/blender/io_mspgl/export_texture.py
@@ -67,7 +67,7 @@ class TextureExporter:
                        if len(channels)==4:
                                fmt = 'SRGB8_ALPHA8' if colorspace=='sRGB' else 'RGBA8'
                        elif len(channels)==1:
-                               fmt = 'LUMINANCE8'
+                               fmt = 'LUMINANCE8' if channels[0]=='Y' else 'R8'
                        else:
                                fmt = 'SRGB8' if colorspace=='sRGB' else 'RGB8'