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-rw-r--r--src/gallium/auxiliary/util/u_pack_color.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h
index 5f113f742b..aae8b8bdf1 100644
--- a/src/gallium/auxiliary/util/u_pack_color.h
+++ b/src/gallium/auxiliary/util/u_pack_color.h
@@ -42,12 +42,18 @@
#include "util/u_math.h"
-
+/**
+ * Helper union for packing pixel values.
+ * Will often contain values in formats which are too complex to be described
+ * in simple terms, hence might just effectively contain a number of bytes.
+ * Must be big enough to hold data for all formats (currently 256 bits).
+ */
union util_color {
ubyte ub;
ushort us;
uint ui;
float f[4];
+ double d[4];
};
/**