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When linear framebuffer base is mapped, it's fb_only time, fixes gibberish fonts and corrupt mouse cursor on BeOS releases using the S3 Trio/Virge cards.

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Slight cleanup of the XGA card and fixed more possible cursor issues.
This commit is contained in:
TC1995
2022-07-01 17:58:56 +02:00
parent ad8ea20e14
commit 30e0201174
3 changed files with 14 additions and 13 deletions
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13
src/video/vid_xga.c
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@@ -115,6 +115,9 @@ xga_recalctimings(svga_t *svga)
xga->h_total = (xga->htotal + 1) << 3;
xga->rowoffset = (xga->hdisp + 1);
if ((xga->disp_cntl_2 & 7) == 4) {
xga->rowoffset = 0x80;
}
xga->interlace = !!(xga->disp_cntl_1 & 0x08);
xga->rowcount = (xga->disp_cntl_2 & 0xc0) >> 6;
@@ -311,8 +314,10 @@ xga_ext_out_reg(xga_t *xga, svga_t *svga, uint8_t idx, uint8_t val)
xga->cursor_data_on = 1;
else if (xga->sprite_pos >= 1)
xga->cursor_data_on = 1;
else if (xga->aperture_cntl == 0)
xga->cursor_data_on = 0;
else if (xga->aperture_cntl == 0) {
if (xga->linear_endian_reverse)
xga->cursor_data_on = 0;
}
}
if ((xga->sprite_pos > 16) && (xga->sprite_pos <= 0x1ff))
xga->cursor_data_on = 0;
@@ -803,7 +808,6 @@ xga_accel_read_map_pixel(svga_t *svga, int x, int y, int map, uint32_t base, int
byte2 = byte;
return byte2;
case 4: /*16-bit*/
width >>= 1;
addr += (y * (width) << 1);
addr += (x << 1);
if (!skip) {
@@ -867,7 +871,6 @@ xga_accel_write_map_pixel(svga_t *svga, int x, int y, int map, uint32_t base, ui
mem_writeb_phys(addr, pixel & 0xff);
break;
case 4: /*16-bit*/
width >>= 1;
addr += (y * (width) << 1);
addr += (x << 1);
if (!skip) {
@@ -2151,7 +2154,7 @@ xga_render_16bpp(xga_t *xga, svga_t *svga)
xga->lastline_draw = xga->displine;
for (x = 0; x <= (xga->h_disp); x += 8) {
uint32_t dat = *(uint32_t *)(&xga->vram[(xga->ma + (x << 1)) & xga->vram_mask]);
dat = *(uint32_t *)(&xga->vram[(xga->ma + (x << 1)) & xga->vram_mask]);
p[x] = video_16to32[dat & 0xffff];
p[x + 1] = video_16to32[dat >> 16];