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automatic stretching/window mode for invalid resolutions

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This commit is contained in:
FunkyFr3sh 2017-11-20 00:56:56 +01:00
parent d0cf60b618
commit 8b34ec65ad
2 changed files with 55 additions and 4 deletions
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51
src/main.c
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@ -276,6 +276,57 @@ HRESULT __stdcall ddraw_SetDisplayMode(IDirectDrawImpl *This, DWORD width, DWORD
This->render.mode.dmBitsPerPel = This->render.bpp;
}
if(!This->windowed)
{
// Making sure the chosen resolution is valid
if(!This->devmode)
{
int width = This->render.width;
int height = This->render.height;
if (ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
{
// fail... compare resolutions
if (This->render.width > This->mode.dmPelsWidth || This->render.height > This->mode.dmPelsHeight)
{
// chosen game resolution higher than current resolution, use window mode for this case
This->windowed = TRUE;
}
else
{
// Try 2x scaling
This->render.width *= 2;
This->render.height *= 2;
This->render.mode.dmPelsWidth = This->render.width;
This->render.mode.dmPelsHeight = This->render.height;
if (ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
{
// try current display settings
This->render.width = This->mode.dmPelsWidth;
This->render.height = This->mode.dmPelsHeight;
This->render.mode.dmPelsWidth = This->render.width;
This->render.mode.dmPelsHeight = This->render.height;
if (ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
{
// everything failed, use window mode instead
This->render.width = width;
This->render.height = height;
This->render.mode.dmPelsWidth = This->render.width;
This->render.mode.dmPelsHeight = This->render.height;
This->windowed = TRUE;
}
}
}
}
}
}
if(This->windowed)
{
if(!This->windowed_init)