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contrary to the manual the right-to-left flag also causes the blitter to

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work bottom-to-top
Now all copy*() methods should work properly in all directions.
This commit is contained in:
macallan 2011-08-30 02:53:01 +00:00
parent 241f2dcf8d
commit b509f991f8
1 changed files with 10 additions and 3 deletions
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13
sys/dev/pci/voyagerfb.c
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@ -1,4 +1,4 @@
/* $NetBSD: voyagerfb.c,v 1.8 2011/08/30 01:21:03 macallan Exp $ */ /* $NetBSD: voyagerfb.c,v 1.9 2011/08/30 02:53:01 macallan Exp $ */
/* /*
* Copyright (c) 2009 Michael Lorenz * Copyright (c) 2009 Michael Lorenz
@ -31,7 +31,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.8 2011/08/30 01:21:03 macallan Exp $"); __KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.9 2011/08/30 02:53:01 macallan Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
@ -601,9 +601,16 @@ voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd,
if (xd <= xs) { if (xd <= xs) {
/* left to right */ /* left to right */
} else { } else {
/*
* According to the manual this flag reverses only the blitter's
* X direction. At least on my Gdium it also reverses the Y
* direction
*/
cmd |= SM502_CTRL_R_TO_L; cmd |= SM502_CTRL_R_TO_L;
xs += he - 1; xs += wi - 1;
xd += wi - 1; xd += wi - 1;
ys += he - 1;
yd += he - 1;
} }
bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);