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[dxgi] fix DxgiOutput::FindClosestMatchingMode() implementation (#157)

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* remove useless checks
* fix refresh rate matching and unspecified detection
This commit is contained in:
Mikhail Paulyshka 2018-03-13 00:28:34 +03:00 committed by Philip Rebohle
parent bfd2b29317
commit fa78259459
1 changed files with 5 additions and 12 deletions
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17
src/dxgi/dxgi_output.cpp
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@ -93,21 +93,14 @@ namespace dxvk {
std::vector<DXGI_MODE_DESC> modes(modesCount);
GetDisplayModeList(pModeToMatch->Format, 0, &modesCount, modes.data());
//filter out modes with different scanline ordering if it was set
if (modeToMatch.ScanlineOrdering != DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED) {
for (auto it = modes.begin(); it != modes.end();) {
if (it->ScanlineOrdering != modeToMatch.ScanlineOrdering)
it = modes.erase(it);
else
++it;
}
}
/* TODO: add scaling and scanline filter when we implement they */
//filter out modes with different refresh rate if it was set
if (modeToMatch.RefreshRate.Denominator != 0 || modeToMatch.RefreshRate.Numerator != 0) {
if (modeToMatch.RefreshRate.Denominator != 0 && modeToMatch.RefreshRate.Numerator != 0) {
UINT targetRefreshRate = modeToMatch.RefreshRate.Numerator / modeToMatch.RefreshRate.Denominator;
for (auto it = modes.begin(); it != modes.end();) {
if (it->RefreshRate.Denominator != modeToMatch.RefreshRate.Denominator ||
it->RefreshRate.Numerator != modeToMatch.RefreshRate.Numerator)
UINT modeRefreshRate = it->RefreshRate.Numerator / it->RefreshRate.Denominator;
if (modeRefreshRate != targetRefreshRate)
it = modes.erase(it);
else
++it;