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atirage: Calculate vert_blank.

This commit is contained in:
joevt 2024-02-28 16:46:40 -08:00 committed by dingusdev
parent d5c7b5f537
commit b168459007
1 changed files with 6 additions and 0 deletions
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6
devices/video/atirage.cpp
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@ -648,6 +648,12 @@ void ATIRage::crtc_update() {
need_recalc = true;
}
uint32_t new_vert_blank = new_vtotal - new_height;
if (new_vert_blank != this->vert_blank) {
this->vert_blank = vert_blank;
need_recalc = true;
}
int new_pixel_format = extract_bits<uint32_t>(this->regs[ATI_CRTC_GEN_CNTL], ATI_CRTC_PIX_WIDTH, ATI_CRTC_PIX_WIDTH_size);
if (new_pixel_format != this->pixel_format) {
this->pixel_format = new_pixel_format;