add TextureMode

stepmania/src/RageTypes.cpp

@@ -81,6 +81,15 @@ static const char *BlendModeNames[] =
 XToString( BlendMode );
 LuaXType( BlendMode );
 
+static const char *TextureModeNames[] =
+{
+	"Modulate",
+	"Glow",
+	"Add",
+};
+XToString( TextureMode );
+LuaXType( TextureMode );
+
 
 static const char *ZTestModeNames[] =
 {

stepmania/src/RageTypes.h

@@ -17,6 +17,23 @@ enum BlendMode
 };
 LuaDeclareType( BlendMode );
 
+enum TextureMode
+{
+	/* Affects one texture stage.  Texture is modulated with the diffuse color. */
+	TextureMode_Modulate,
+
+	/* Affects one texture stage.  Color is replaced with white, leaving alpha.  Used
+	 * with BLEND_ADD to add glow. */
+	TextureMode_Glow,
+
+	/* Affects one texture stage.  Color is added to the previous texture stage. */
+	TextureMode_Add,
+
+	NUM_TextureMode,
+	TextureMode_Invalid
+};
+LuaDeclareType( TextureMode );
+
 enum CullMode
 {
 	CULL_BACK,