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-rw-r--r--src/mesa/main/mtypes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 422d176..7caa1f8 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2540,6 +2540,7 @@ struct matrix_stack
#define IMAGE_HISTOGRAM_BIT 0x200
#define IMAGE_MIN_MAX_BIT 0x400
#define IMAGE_CLAMP_BIT 0x800 /* extra */
+#define IMAGE_RED_TO_LUMINANCE 0x1000
/** Pixel Transfer ops up to convolution */