Commit a3812741 authored by BALATON Zoltan's avatar BALATON Zoltan Committed by Gerd Hoffmann
Browse files

ati-vga: Fix frame buffer endianness for big endian target 



The extended mode frame buffer should be little endian even when
emulating big endian machine (such as PPC). This fixes color problems
with MorphOS.

Signed-off-by: default avatarBALATON Zoltan <balaton@eik.bme.hu>
Message-id: 439aa85061f103446df7b42632d730971a372432.1562151410.git.balaton@eik.bme.hu
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent c799d2ee

hw/display/ati.c

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ static void ati_vga_switch_mode(ATIVGAState *s) 
            DPRINTF("Switching to %dx%d %d %d @ %x\n", h, v, stride, bpp, offs);

            vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_ENABLE);

            vbe_ioport_write_data(&s->vga, 0, VBE_DISPI_DISABLED);

            s->vga.big_endian_fb = false;

            /* reset VBE regs then set up mode */

            s->vga.vbe_regs[VBE_DISPI_INDEX_XRES] = h;

            s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] = v;

hw/display/ati_2d.c

+5 −5
Original line number Diff line number Diff line
@@ -124,15 +124,15 @@ void ati_2d_blt(ATIVGAState *s) 


        switch (s->regs.dp_mix & GMC_ROP3_MASK) {

        case ROP3_PATCOPY:

            filler = bswap32(s->regs.dp_brush_frgd_clr);

            filler = s->regs.dp_brush_frgd_clr;

            break;

        case ROP3_BLACKNESS:

            filler = rgb_to_pixel32(s->vga.palette[0], s->vga.palette[1],

                                    s->vga.palette[2]) << 8 | 0xff;

            filler = 0xffUL << 24 | rgb_to_pixel32(s->vga.palette[0],

                     s->vga.palette[1], s->vga.palette[2]);

            break;

        case ROP3_WHITENESS:

            filler = rgb_to_pixel32(s->vga.palette[3], s->vga.palette[4],

                                    s->vga.palette[5]) << 8 | 0xff;

            filler = 0xffUL << 24 | rgb_to_pixel32(s->vga.palette[3],

                     s->vga.palette[4], s->vga.palette[5]);

            break;

        }