Gerd Hoffmann wrote:

 Hi,

+/* A convenient function for munging pixels between different depths */
+#define
BLT(SRC_T,DST_T,RSB,GSB,BSB,RDB,GDB,BDB) \
+ for (line = y ; line < (y+h) ; line++) { \

There are similar conversion macros in the VGA code. I don't know how
practical it would be to reuse them but it's at least worth looking at.

We created a file hw/pixel_ops.h to share code between vga.c and tcx.c,
probably it can be extended to serve Xen as well.

Uhm, well, it isn't that easy. Unifying that looks like a big job in
itself. pixel_ops.h as-is isn't very helpful for xen-framebuffer. The
xen-framebuffer macro isn't very useful to others.

Regards,
Anthony Liguori

What IMHO would be most useful is a set of generic conversion functions,
operating on scanline level, much like the ones created by
vga_template.h, but without dependencies on vga.c internals.
cheers,
 Gerd

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