diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-04-26 20:49:17 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-04-26 20:49:17 +0000 |
| commit | ad81218e40e27d79e1021c248cf16ca269d963df (patch) | |
| tree | dca7f7e31f87a62da1ba7e13a3db770c1fe777eb /hw | |
| parent | e4afee9716d20cbc7d1875a66411f85c8c640286 (diff) | |
depth=24 write mask fix (Volker Ruppert)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1404 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/cirrus_vga.c | 2 | ||||
| -rw-r--r-- | hw/cirrus_vga_rop2.h | 14 |
2 files changed, 15 insertions, 1 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 13450f0fcc..934cde9905 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -31,7 +31,7 @@ /* * TODO: - * - add support for WRITEMASK (GR2F) + * - destination write mask support not complete (bits 5..7) * - optimize linear mappings * - optimize bitblt functions */ diff --git a/hw/cirrus_vga_rop2.h b/hw/cirrus_vga_rop2.h index a326f97b72..2f61740e5c 100644 --- a/hw/cirrus_vga_rop2.h +++ b/hw/cirrus_vga_rop2.h @@ -47,7 +47,11 @@ glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH) int x, y, pattern_y, pattern_pitch, pattern_x; unsigned int col; const uint8_t *src1; +#if DEPTH == 24 + int skipleft = s->gr[0x2f] & 0x1f; +#else int skipleft = (s->gr[0x2f] & 0x07) * (DEPTH / 8); +#endif #if DEPTH == 8 pattern_pitch = 8; @@ -100,8 +104,13 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH) unsigned int col; unsigned bitmask; unsigned index; +#if DEPTH == 24 + int dstskipleft = s->gr[0x2f] & 0x1f; + int srcskipleft = dstskipleft / 3; +#else int srcskipleft = s->gr[0x2f] & 0x07; int dstskipleft = srcskipleft * (DEPTH / 8); +#endif if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) { bits_xor = 0xff; @@ -178,8 +187,13 @@ glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH) int x, y, bitpos, pattern_y; unsigned int bits, bits_xor; unsigned int col; +#if DEPTH == 24 + int dstskipleft = s->gr[0x2f] & 0x1f; + int srcskipleft = dstskipleft / 3; +#else int srcskipleft = s->gr[0x2f] & 0x07; int dstskipleft = srcskipleft * (DEPTH / 8); +#endif if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) { bits_xor = 0xff; |