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-rw-r--r--src/emu/render.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emu/render.h b/src/emu/render.h
index 8355833c9f5..77f8d418522 100644
--- a/src/emu/render.h
+++ b/src/emu/render.h
@@ -86,6 +86,8 @@ enum
{
SCALE_FRACTIONAL = 0, // compute fractional scaling factors for both axes
SCALE_FRACTIONAL_X, // compute fractional scaling factor for x-axis, and integer factor for y-axis
+ SCALE_FRACTIONAL_Y, // compute fractional scaling factor for y-axis, and integer factor for x-axis
+ SCALE_FRACTIONAL_AUTO, // automatically compute fractional scaling for x/y-axes based on source native orientation
SCALE_INTEGER // compute integer scaling factors for both axes, based on target dimensions
};