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Fix S3 Vision864 & Trio cursor colours in XFree86.

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This commit is contained in:
SarahW 2018-03-20 22:10:52 +00:00
commit 63b431cc9e
1 changed files with 70 additions and 2 deletions
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72
src/vid_s3.c
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@ -136,6 +136,9 @@ typedef struct s3_t
uint64_t status_time;
uint8_t subsys_cntl, subsys_stat;
uint32_t hwc_fg_col, hwc_bg_col;
int hwc_col_stack_pos;
} s3_t;
#define INT_VSY (1 << 0)
@ -883,6 +886,37 @@ void s3_out(uint16_t addr, uint8_t val, void *p)
if ((s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) && svga->bpp == 32)
svga->hwcursor.x <<= 1;
break;
case 0x4a:
switch (s3->hwc_col_stack_pos)
{
case 0:
s3->hwc_fg_col = (s3->hwc_fg_col & 0xffff00) | val;
break;
case 1:
s3->hwc_fg_col = (s3->hwc_fg_col & 0xff00ff) | (val << 8);
break;
case 2:
s3->hwc_fg_col = (s3->hwc_fg_col & 0x00ffff) | (val << 16);
break;
}
s3->hwc_col_stack_pos = (s3->hwc_col_stack_pos + 1) % 3;
break;
case 0x4b:
switch (s3->hwc_col_stack_pos)
{
case 0:
s3->hwc_bg_col = (s3->hwc_bg_col & 0xffff00) | val;
break;
case 1:
s3->hwc_bg_col = (s3->hwc_bg_col & 0xff00ff) | (val << 8);
break;
case 2:
s3->hwc_bg_col = (s3->hwc_bg_col & 0x00ffff) | (val << 16);
break;
}
s3->hwc_col_stack_pos = (s3->hwc_col_stack_pos + 1) % 3;
break;
case 0x53:
case 0x58: case 0x59: case 0x5a:
@ -959,6 +993,7 @@ uint8_t s3_in(uint16_t addr, void *p)
case 0x30: return s3->id; /*Chip ID*/
case 0x31: return (svga->crtc[0x31] & 0xcf) | ((s3->ma_ext & 3) << 4);
case 0x35: return (svga->crtc[0x35] & 0xf0) | (s3->bank & 0xf);
case 0x45: s3->hwc_col_stack_pos = 0; break;
case 0x51: return (svga->crtc[0x51] & 0xf0) | ((s3->bank >> 2) & 0xc) | ((s3->ma_ext >> 2) & 3);
case 0x69: return s3->ma_ext;
case 0x6a: return s3->bank;
@ -2015,11 +2050,44 @@ void s3_accel_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat
void s3_hwcursor_draw(svga_t *svga, int displine)
{
s3_t *s3 = (s3_t *)svga->p;
int x;
uint16_t dat[2];
int xx;
int offset = svga->hwcursor_latch.x - svga->hwcursor_latch.xoff;
uint32_t fg = 0, bg = 0;
switch (svga->bpp)
{
case 15:
fg = video_15to32[s3->hwc_fg_col & 0xffff];
bg = video_15to32[s3->hwc_bg_col & 0xffff];
break;
case 16:
fg = video_16to32[s3->hwc_fg_col & 0xffff];
bg = video_16to32[s3->hwc_bg_col & 0xffff];
break;
case 24: case 32:
fg = s3->hwc_fg_col;
bg = s3->hwc_bg_col;
break;
default:
if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64)
{
fg = svga->pallook[s3->hwc_fg_col & 0xff];
bg = svga->pallook[s3->hwc_bg_col & 0xff];
}
else
{
fg = svga->pallook[svga->crtc[0xe]];
bg = svga->pallook[svga->crtc[0xf]];
}
break;
}
if (svga->interlace && svga->hwcursor_oddeven)
svga->hwcursor_latch.addr += 16;
@ -2033,7 +2101,7 @@ void s3_hwcursor_draw(svga_t *svga, int displine)
if (offset >= svga->hwcursor_latch.x)
{
if (!(dat[0] & 0x8000))
((uint32_t *)buffer32->line[displine])[offset + 32] = (dat[1] & 0x8000) ? 0xffffff : 0;
((uint32_t *)buffer32->line[displine])[offset + 32] = (dat[1] & 0x8000) ? fg : bg;
else if (dat[1] & 0x8000)
((uint32_t *)buffer32->line[displine])[offset + 32] ^= 0xffffff;
// pclog("Plot %i, %i (%i %i) %04X %04X\n", offset, displine, x+xx, svga_hwcursor_on, dat[0], dat[1]);