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Fixed the overscan setting when using the 8514/A native drivers.

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This commit is contained in:
TC1995
2022-07-03 23:34:49 +02:00
parent bda7591310
commit 6888cd3603
1 changed files with 1 additions and 66 deletions
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67
src/video/vid_8514a.c
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@@ -3438,71 +3438,6 @@ ibm8514_render_overscan_right(ibm8514_t *dev, svga_t *svga)
buffer32->line[dev->displine + svga->y_add][svga->x_add + dev->h_disp + i] = svga->overscan_color;
}
static void
ibm8514_doblit(int wx, int wy, ibm8514_t *dev, svga_t *svga)
{
int y_add, x_add, y_start, x_start, bottom;
uint32_t *p;
int i, j;
int xs_temp, ys_temp;
y_add = (enable_overscan) ? overscan_y : 0;
x_add = (enable_overscan) ? overscan_x : 0;
y_start = (enable_overscan) ? 0 : (overscan_y >> 1);
x_start = (enable_overscan) ? 0 : (overscan_x >> 1);
bottom = (overscan_y >> 1) + (svga->crtc[8] & 0x1f);
if ((wx <= 0) || (wy <= 0))
return;
xs_temp = wx;
ys_temp = wy + 1;
if (xs_temp < 64)
xs_temp = 640;
if (ys_temp < 32)
ys_temp = 200;
if ((svga->crtc[0x17] & 0x80) && ((xs_temp != xsize) || (ys_temp != ysize) || video_force_resize_get())) {
/* Screen res has changed.. fix up, and let them know. */
xsize = xs_temp;
ysize = ys_temp;
if ((xsize > 1984) || (ysize > 2016)) {
/* 2048x2048 is the biggest safe render texture, to account for overscan,
we suppress overscan starting from x 1984 and y 2016. */
x_add = 0;
y_add = 0;
suppress_overscan = 1;
} else
suppress_overscan = 0;
/* Block resolution changes while in DPMS mode to avoid getting a bogus
screen width (320). We're already rendering a blank screen anyway. */
set_screen_size(xsize + x_add, ysize + y_add);
if (video_force_resize_get())
video_force_resize_set(0);
}
if ((wx >= 160) && ((wy + 1) >= 120)) {
/* Draw (overscan_size - scroll size) lines of overscan on top and bottom. */
for (i = 0; i < svga->y_add; i++) {
p = &buffer32->line[i & 0x7ff][0];
for (j = 0; j < (xsize + x_add); j++)
p[j] = svga->overscan_color;
}
for (i = 0; i < bottom; i++) {
p = &buffer32->line[(ysize + svga->y_add + i) & 0x7ff][0];
for (j = 0; j < (xsize + x_add); j++)
p[j] = svga->overscan_color;
}
}
video_blit_memtoscreen(x_start, y_start, xsize + x_add, ysize + y_add);
}
void
ibm8514_poll(ibm8514_t *dev, svga_t *svga)
{
@@ -3588,7 +3523,7 @@ ibm8514_poll(ibm8514_t *dev, svga_t *svga)
wx = x;
wy = dev->lastline - dev->firstline;
ibm8514_doblit(wx, wy, dev, svga);
svga_doblit(wx, wy, svga);
dev->firstline = 2000;
dev->lastline = 0;