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Voodoo: Honor monitor overscan.

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This commit is contained in:
OBattler
2024-04-02 00:08:40 +02:00
parent 038871d998
commit ee7df06168
2 changed files with 10 additions and 5 deletions
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2
src/video/vid_svga.c
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@@ -90,6 +90,7 @@ svga_set_override(svga_t *svga, int val)
svga->fullchange = svga->monitor->mon_changeframecount;
svga->override = val;
#ifdef OVERRIDE_OVERSCAN
if (!val) {
/* Override turned off, restore overscan X and Y per the CRTC. */
svga->monitor->mon_overscan_y = (svga->rowcount + 1) << 1;
@@ -104,6 +105,7 @@ svga_set_override(svga_t *svga, int val)
} else
svga->monitor->mon_overscan_x = svga->monitor->mon_overscan_y = 16;
/* Override turned off, fix overcan X and Y to 16. */
#endif
}
void

13
src/video/vid_voodoo_display.c
View File

@@ -511,6 +511,8 @@ voodoo_callback(void *priv)
{
voodoo_t *voodoo = (voodoo_t *) priv;
const monitor_t *monitor = &monitors[voodoo->monitor_index];
int v_y_add = (monitor->mon_overscan_y >> 1);
int v_x_add = (monitor->mon_overscan_x >> 1);
if (voodoo->fbiInit0 & FBIINIT0_VGA_PASS) {
if (voodoo->line < voodoo->v_disp) {
@@ -534,7 +536,7 @@ voodoo_callback(void *priv)
}
if (draw_voodoo->dirty_line[draw_line]) {
uint32_t *p = &monitor->target_buffer->line[voodoo->line + 8][8];
uint32_t *p = &monitor->target_buffer->line[voodoo->line + v_y_add][v_x_add];
uint16_t *src = (uint16_t *) &draw_voodoo->fb_mem[draw_voodoo->front_offset + draw_line * draw_voodoo->row_width];
int x;
@@ -548,8 +550,8 @@ voodoo_callback(void *priv)
voodoo->dirty_line_high = voodoo->line;
/* Draw left overscan. */
for (x = 0; x < 8; x++)
monitor->target_buffer->line[voodoo->line + 8][x] = 0x00000000;
for (x = 0; x < v_x_add; x++)
monitor->target_buffer->line[voodoo->line + v_y_add][x] = 0x00000000;
if (voodoo->scrfilter && voodoo->scrfilterEnabled) {
uint8_t fil[4096 * 3]; /* interleaved 24-bit RGB */
@@ -570,8 +572,9 @@ voodoo_callback(void *priv)
}
/* Draw right overscan. */
for (x = 0; x < 8; x++)
monitor->target_buffer->line[voodoo->line + 8][voodoo->h_disp + x + 8] = 0x00000000;
for (x = 0; x < v_x_add; x++)
monitor->target_buffer->line[voodoo->line + v_y_add][voodoo->h_disp + x + v_x_add] =
0x00000000;
}
}
}