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path: root/hw/cirrus_vga.c
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Diffstat (limited to 'hw/cirrus_vga.c')
-rw-r--r--hw/cirrus_vga.c80
1 files changed, 70 insertions, 10 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index e5b0cfb653..d8633c9883 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -402,7 +402,54 @@ static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
cirrus_bitblt_rop_bkwd_notsrc_or_dst,
cirrus_bitblt_rop_bkwd_notsrc_and_notdst,
};
-
+
+#define TRANSP_ROP(name) {\
+ name ## _8,\
+ name ## _16,\
+ }
+#define TRANSP_NOP(func) {\
+ func,\
+ func,\
+ }
+
+static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = {
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst),
+ TRANSP_NOP(cirrus_bitblt_rop_nop),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst),
+};
+
+static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = {
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst),
+ TRANSP_NOP(cirrus_bitblt_rop_nop),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst),
+ TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst),
+};
+
#define ROP2(name) {\
name ## _8,\
name ## _16,\
@@ -950,15 +997,28 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
}
} else {
- if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
- s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
- s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
- s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
- } else {
- s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
- }
- }
-
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
+ if (s->cirrus_blt_pixelwidth > 2) {
+ printf("src transparent without colorexpand must be 8bpp or 16bpp\n");
+ goto bitblt_ignore;
+ }
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
+ s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
+ s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
+ s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+ } else {
+ s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+ }
+ } else {
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
+ s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
+ s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
+ s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
+ } else {
+ s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
+ }
+ }
+ }
// setup bitblt engine.
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) {
if (!cirrus_bitblt_cputovideo(s))