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-rw-r--r--amiga/os3support.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/amiga/os3support.h b/amiga/os3support.h
index 93dca85b7..4db3cd4eb 100644
--- a/amiga/os3support.h
+++ b/amiga/os3support.h
@@ -52,6 +52,25 @@ struct TimeVal {
uint32 Microseconds;
};
+/* Compositing */
+#define COMPFLAG_IgnoreDestAlpha 0
+#define COMPFLAG_SrcAlphaOverride 0
+#define COMPFLAG_SrcFilter 0
+
+#define COMPOSITE_Src 0
+
+#define COMPTAG_ScaleX 0
+#define COMPTAG_ScaleY 0
+#define COMPTAG_DestX 0
+#define COMPTAG_DestY 0
+#define COMPTAG_DestWidth 0
+#define COMPTAG_DestHeight 0
+#define COMPTAG_OffsetX 0
+#define COMPTAG_OffsetY 0
+
+#define CompositeTags(a, ...) ((void) (a))
+#define COMP_FLOAT_TO_FIX(f) (f)
+
#endif
#endif