diff options
Diffstat (limited to 'hw/cirrus_vga.c')
-rw-r--r-- | hw/cirrus_vga.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index f0b22e77c1..55a866a2e4 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -136,6 +136,7 @@ // control 0x33 #define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04 +#define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02 #define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01 // memory-mapped IO @@ -325,7 +326,7 @@ static void cirrus_bitblt_fill_nop(CirrusVGAState *s, #include "cirrus_vga_rop.h" #define ROP_NAME 1 -#define ROP_OP(d, s) d = 0xff +#define ROP_OP(d, s) d = ~0 #include "cirrus_vga_rop.h" #define ROP_NAME notsrc_and_dst @@ -435,6 +436,25 @@ static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = { ROP2(cirrus_colorexpand_transp_notsrc_and_notdst), }; +static const cirrus_bitblt_rop_t cirrus_colorexpand_transp_inv[16][4] = { + ROP2(cirrus_colorexpand_transp_inv_0), + ROP2(cirrus_colorexpand_transp_inv_src_and_dst), + ROP_NOP2(cirrus_bitblt_rop_nop), + ROP2(cirrus_colorexpand_transp_inv_src_and_notdst), + ROP2(cirrus_colorexpand_transp_inv_notdst), + ROP2(cirrus_colorexpand_transp_inv_src), + ROP2(cirrus_colorexpand_transp_inv_1), + ROP2(cirrus_colorexpand_transp_inv_notsrc_and_dst), + ROP2(cirrus_colorexpand_transp_inv_src_xor_dst), + ROP2(cirrus_colorexpand_transp_inv_src_or_dst), + ROP2(cirrus_colorexpand_transp_inv_notsrc_or_notdst), + ROP2(cirrus_colorexpand_transp_inv_src_notxor_dst), + ROP2(cirrus_colorexpand_transp_inv_src_or_notdst), + ROP2(cirrus_colorexpand_transp_inv_notsrc), + ROP2(cirrus_colorexpand_transp_inv_notsrc_or_dst), + ROP2(cirrus_colorexpand_transp_inv_notsrc_and_notdst), +}; + static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = { ROP2(cirrus_colorexpand_0), ROP2(cirrus_colorexpand_src_and_dst), @@ -820,8 +840,13 @@ static void cirrus_bitblt_start(CirrusVGAState * s) CIRRUS_BLTMODE_COLOREXPAND) { if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { - cirrus_bitblt_fgcol(s); - s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; + if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) { + cirrus_bitblt_bgcol(s); + s->cirrus_rop = cirrus_colorexpand_transp_inv[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; + } else { + cirrus_bitblt_fgcol(s); + s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; + } } else { cirrus_bitblt_fgcol(s); cirrus_bitblt_bgcol(s); |