ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

cirrus blitter fixes 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@907 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-07 19:46:45 +00:00
parent 1cc98a5f04
commit 4c8732d71b
2 changed files with 68 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
hw/cirrus_vga.c
View File

@ -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);

48
hw/cirrus_vga_rop2.h
View File

@ -36,14 +36,14 @@
#error unsupported DEPTH
#endif
/* NOTE: srcpitch is ignored */
static void
glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
const uint8_t * src1,
const uint8_t * src,
int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
const uint8_t *src;
uint8_t *d;
int x, y;
unsigned bits;
@ -54,7 +54,6 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
col = s->cirrus_blt_fgcol;
for(y = 0; y < bltheight; y++) {
src = src1;
bitmask = 0x80 >> srcskipleft;
bits = *src++;
d = dst;
@ -70,7 +69,43 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
d += (DEPTH / 8);
bitmask >>= 1;
}
src1 += srcpitch;
dst += dstpitch;
}
}
/* NOTE: srcpitch is ignored */
static void
glue(glue(glue(cirrus_colorexpand_transp_inv_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
const uint8_t * src,
int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
uint8_t *d;
int x, y;
unsigned bits;
unsigned int col;
unsigned bitmask;
unsigned index;
int srcskipleft = 0;
col = s->cirrus_blt_bgcol;
for(y = 0; y < bltheight; y++) {
bitmask = 0x80 >> srcskipleft;
bits = *src++;
d = dst;
for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
if ((bitmask & 0xff) == 0) {
bitmask = 0x80;
bits = *src++;
}
index = (bits & bitmask);
if (!index) {
PUTPIXEL();
}
d += (DEPTH / 8);
bitmask >>= 1;
}
dst += dstpitch;
}
}
@ -78,11 +113,10 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
static void
glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
const uint8_t * src1,
const uint8_t * src,
int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
const uint8_t *src;
uint32_t colors[2];
uint8_t *d;
int x, y;
@ -94,7 +128,6 @@ glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
colors[0] = s->cirrus_blt_bgcol;
colors[1] = s->cirrus_blt_fgcol;
for(y = 0; y < bltheight; y++) {
src = src1;
bitmask = 0x80 >> srcskipleft;
bits = *src++;
d = dst;
@ -108,7 +141,6 @@ glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
d += (DEPTH / 8);
bitmask >>= 1;
}
src1 += srcpitch;
dst += dstpitch;
}
}