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[dxgi] GetDisplayModeList: Sort display mode list

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Some games, including Dark Souls 3, rely on display modes
being returned in a specific order. This emulates Windows
10 behaviour.
This commit is contained in:
Philip Rebohle 2018-04-18 15:33:56 +02:00
parent 01061e43aa
commit ffe3028285
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GPG Key ID: C8CC613427A31C99
1 changed files with 29 additions and 6 deletions
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35
src/dxgi/dxgi_output.cpp
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@ -1,3 +1,5 @@
#include <algorithm>
#include <cstdlib>
#include <cstring>
@ -183,6 +185,8 @@ namespace dxvk {
uint32_t srcModeId = 0;
uint32_t dstModeId = 0;
std::vector<DXGI_MODE_DESC> modeList;
while (::EnumDisplaySettingsW(monInfo.szDevice, srcModeId++, &devMode)) {
// Skip interlaced modes altogether
if (devMode.dmDisplayFlags & DM_INTERLACED)
@ -192,11 +196,7 @@ namespace dxvk {
if (devMode.dmBitsPerPel != GetFormatBpp(EnumFormat))
continue;
// Write back display mode
if (pDesc != nullptr) {
if (dstModeId >= *pNumModes)
return DXGI_ERROR_MORE_DATA;
DXGI_MODE_DESC mode;
mode.Width = devMode.dmPelsWidth;
mode.Height = devMode.dmPelsHeight;
@ -204,13 +204,36 @@ namespace dxvk {
mode.Format = EnumFormat;
mode.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_PROGRESSIVE;
mode.Scaling = DXGI_MODE_SCALING_CENTERED;
pDesc[dstModeId] = mode;
modeList.push_back(mode);
}
dstModeId += 1;
}
// Sort display modes by width, height and refresh rate,
// in that order. Some games rely on correct ordering.
std::sort(modeList.begin(), modeList.end(),
[] (const DXGI_MODE_DESC& a, const DXGI_MODE_DESC& b) {
if (a.Width < b.Width) return true;
if (a.Width > b.Width) return false;
if (a.Height < b.Height) return true;
if (a.Height > b.Height) return false;
return (a.RefreshRate.Numerator / a.RefreshRate.Denominator)
< (b.RefreshRate.Numerator / b.RefreshRate.Denominator);
});
// If requested, write out the first set of display
// modes to the destination array.
if (pDesc != nullptr) {
for (uint32_t i = 0; i < *pNumModes && i < dstModeId; i++)
pDesc[i] = modeList[i];
if (dstModeId > *pNumModes)
return DXGI_ERROR_MORE_DATA;
}
*pNumModes = dstModeId;
return S_OK;
}