Initial. Don't... just don't ask.

gl/mem.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+ /*
+  * Copies pixels from 4-byte-per-pixel screen to 3-byte-per-pixel screen,
+  * 
+  * discarding the last byte of each pixel.  Only uses 32-bit aligned word
+  * accesses.  Instructions have been shuffled a bit for possible
+  * avoidance of pipeline hazards.
+  */
+void __svgalib_memcpy4to3(void *dest, void *src, int n)
+{
+    printf("libgl: __svgalib_memcpy4to3 not done yet\n");
+}
+
+/* 
+ * Copies pixels from 4-byte-per-pixel screen organized as BGR0 to
+ * 0BGR 4-byte-per-pixel screen.
+ * Used by copyscreen for ATI mach32 32-bit truecolor modes.
+ */
+void __svgalib_memcpy32shift8(void *dest, void *src, int n)
+{
+    printf("libgl: __svgalib_memcpy32shift8 not done yet\n");
+}