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Merge pull request #2031 from 86Box/tc1995

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Added FastLine accel command to the TGUI96xx family of chips (TGUI944…
This commit is contained in:
Miran Grča
2022-01-30 18:28:50 +01:00
committed by GitHub
parent c6fd49cfe7 45d99c2039
commit 9bb3669be9
1 changed files with 109 additions and 16 deletions
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125
src/video/vid_tgui9440.c
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@@ -1249,7 +1249,8 @@ enum
TGUI_BITBLT = 1,
TGUI_SCANLINE = 3,
TGUI_BRESENHAMLINE = 4,
TGUI_SHORTVECTOR = 5
TGUI_SHORTVECTOR = 5,
TGUI_FASTLINE = 6
};
enum
@@ -1480,7 +1481,7 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
tgui->accel.right >>= 2;
}
}
switch (tgui->accel.flags & (TGUI_SRCMONO|TGUI_SRCDISP))
{
case TGUI_SRCCPU:
@@ -1572,31 +1573,36 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
}
while (count--) {
src_dat = ((cpu_dat >> 31) ? tgui->accel.fg_col : tgui->accel.bg_col);
if (tgui->accel.bpp == 0)
src_dat &= 0xff;
else if (tgui->accel.bpp == 1)
src_dat &= 0xffff;
if ((tgui->type == TGUI_9440) || ((tgui->type >= TGUI_9660) && tgui->accel.dx >= tgui->accel.left && tgui->accel.dx <= tgui->accel.right &&
tgui->accel.dy >= tgui->accel.top && tgui->accel.dy <= tgui->accel.bottom)) {
src_dat = ((cpu_dat >> 31) ? tgui->accel.fg_col : tgui->accel.bg_col);
if (tgui->accel.bpp == 0)
src_dat &= 0xff;
else if (tgui->accel.bpp == 1)
src_dat &= 0xffff;
READ(tgui->accel.dst, dst_dat);
READ(tgui->accel.dst, dst_dat);
pat_dat = pattern_data[((tgui->accel.pat_y & 7)*8) + (tgui->accel.pat_x & 7)];
pat_dat = pattern_data[((tgui->accel.pat_y & 7)*8) + (tgui->accel.pat_x & 7)];
if (tgui->accel.bpp == 0)
pat_dat &= 0xff;
else if (tgui->accel.bpp == 1)
pat_dat &= 0xffff;
if (tgui->accel.bpp == 0)
pat_dat &= 0xff;
else if (tgui->accel.bpp == 1)
pat_dat &= 0xffff;
if (!(tgui->accel.flags & TGUI_TRANSENA) || (src_dat != trans_col)) {
MIX();
if (!(tgui->accel.flags & TGUI_TRANSENA) || (src_dat != trans_col)) {
MIX();
WRITE(tgui->accel.dst, out);
WRITE(tgui->accel.dst, out);
}
}
cpu_dat <<= 1;
tgui->accel.src += xdir;
tgui->accel.dst += xdir;
tgui->accel.pat_x += xdir;
if (tgui->type >= TGUI_9660)
tgui->accel.dx += xdir;
tgui->accel.x++;
if (tgui->accel.x > tgui->accel.size_x) {
@@ -1605,6 +1611,11 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
tgui->accel.pat_x = tgui->accel.dst_x;
tgui->accel.pat_y += ydir;
if (tgui->type >= TGUI_9660) {
tgui->accel.dx = tgui->accel.dst_x & 0xfff;
tgui->accel.dy += ydir;
}
tgui->accel.src = tgui->accel.src_old = tgui->accel.src_old + (ydir * tgui->accel.pitch);
tgui->accel.dst = tgui->accel.dst_old = tgui->accel.dst_old + (ydir * tgui->accel.pitch);
@@ -1891,6 +1902,88 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
}
}
break;
case TGUI_FASTLINE:
{
if (tgui->type < TGUI_9660)
break;
int16_t dx, dy;
dx = tgui->accel.dst_x & 0xfff;
dy = tgui->accel.dst_y & 0xfff;
tgui->accel.left = tgui->accel.src_x_clip & 0xfff;
tgui->accel.right = tgui->accel.dst_x_clip & 0xfff;
tgui->accel.top = tgui->accel.src_y_clip & 0xfff;
tgui->accel.bottom = tgui->accel.dst_y_clip & 0xfff;
if (tgui->accel.bpp == 1) {
tgui->accel.left >>= 1;
tgui->accel.right >>= 1;
} else if (tgui->accel.bpp == 3) {
tgui->accel.left >>= 2;
tgui->accel.right >>= 2;
}
while (count--) {
READ(tgui->accel.src_x + (tgui->accel.src_y * tgui->accel.pitch), src_dat);
/*Note by TC1995: I suppose the x/y clipping max is always more than 0 in the TGUI 96xx, but the TGUI 9440 lacks clipping*/
if ((tgui->type == TGUI_9440) || ((tgui->type >= TGUI_9660) && dx >= tgui->accel.left && dx <= tgui->accel.right &&
dy >= tgui->accel.top && dy <= tgui->accel.bottom)) {
READ(dx + (dy * tgui->accel.pitch), dst_dat);
pat_dat = tgui->accel.fg_col;
if (tgui->accel.bpp == 0)
pat_dat &= 0xff;
else if (tgui->accel.bpp == 1)
pat_dat &= 0xffff;
MIX();
WRITE(dx + (dy * tgui->accel.pitch), out);
}
if (tgui->accel.y == (tgui->accel.size_y & 0xfff))
break;
switch ((tgui->accel.size_y >> 8) & 0xe0) {
case 0x00:
dx++;
break;
case 0x20:
dx++;
dy--;
break;
case 0x40:
dy--;
break;
case 0x60:
dx--;
dy--;
break;
case 0x80:
dx--;
break;
case 0xa0:
dx--;
dy++;
break;
case 0xc0:
dy++;
break;
case 0xe0:
dx++;
dy++;
break;
}
tgui->accel.y++;
}
}
break;
}
}