GRAPHICS: Update YUV410 conversion docs

scummvm · Sep 19, 2012 · 0677871 · 0677871
1 parent 173dace
commit 0677871
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/graphics/yuv_to_rgb.h b/graphics/yuv_to_rgb.h
@@ -82,8 +82,9 @@ class YUVToRGBManager : public Common::Singleton<YUVToRGBManager> {
 	 *
 	 * Since the chroma has a very low resolution in 410, we perform bilinear scaling
 	 * on the two chroma planes to produce the image. The chroma planes must have
-	 * at least one extra row that can be read from in order to produce a proper
-	 * image (filled with 0x80). This is required in order to speed up this function.
+	 * at least one extra row and one extra column that can be read from in order to
+	 * produce a proper image. It is suggested that you fill these in with the previous
+	 * row and column's data. This is required in order to speed up this function.
 	 *
 	 * @param dst     the destination surface
 	 * @param scale   the scale of the luminance values