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(Win32/DispServer) Improve video resolution switching

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* Only switch to a display mode with the same current bit-depth and screen rotation
* Only switch to a display mode with default stretching mode
* Cleanup the function for consistency with other functions
This commit is contained in:
Hugo Hromic 2020-06-20 19:40:03 +01:00
parent 9ec3a5ccad
commit 2e57a690ce
1 changed files with 42 additions and 36 deletions
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78
gfx/display_servers/dispserv_win32.c
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@ -222,64 +222,70 @@ static bool win32_display_server_set_window_decorations(void *data, bool on)
static bool win32_display_server_set_resolution(void *data,
unsigned width, unsigned height, int int_hz, float hz, int center, int monitor_index, int xoffset)
{
DEVMODE curDevmode;
int iModeNum;
int freq = int_hz;
int depth = 0;
dispserv_win32_t *serv = (dispserv_win32_t*)data;
DEVMODE dm = {0};
LONG res = 0;
unsigned i = 0;
unsigned curr_bpp = 0;
#if _WIN32_WINNT >= 0x0500
unsigned curr_orientation = 0;
#endif
dispserv_win32_t *serv = (dispserv_win32_t*)data;
if (!serv)
return false;
win32_get_video_output(&curDevmode, -1, sizeof(curDevmode));
win32_get_video_output(&dm, -1, sizeof(dm));
if (serv->orig_width == 0)
serv->orig_width = GetSystemMetrics(SM_CXSCREEN);
serv->orig_refresh = curDevmode.dmDisplayFrequency;
serv->orig_width = GetSystemMetrics(SM_CXSCREEN);
if (serv->orig_height == 0)
serv->orig_height = GetSystemMetrics(SM_CYSCREEN);
serv->orig_height = GetSystemMetrics(SM_CYSCREEN);
serv->orig_refresh = dm.dmDisplayFrequency;
/* Used to stop super resolution bug */
if (width == curDevmode.dmPelsWidth)
width = 0;
if (width == dm.dmPelsWidth)
width = 0;
if (width == 0)
width = curDevmode.dmPelsWidth;
width = dm.dmPelsWidth;
if (height == 0)
height = curDevmode.dmPelsHeight;
if (depth == 0)
depth = curDevmode.dmBitsPerPel;
if (freq == 0)
freq = curDevmode.dmDisplayFrequency;
height = dm.dmPelsHeight;
if (curr_bpp == 0)
curr_bpp = dm.dmBitsPerPel;
if (int_hz == 0)
int_hz = dm.dmDisplayFrequency;
#if _WIN32_WINNT >= 0x0500
if (curr_orientation == 0)
curr_orientation = dm.dmDisplayOrientation;
#endif
for (iModeNum = 0;; iModeNum++)
for (i = 0; win32_get_video_output(&dm, i, sizeof(dm)); i++)
{
LONG res;
DEVMODE devmode;
if (!win32_get_video_output(&devmode, iModeNum, sizeof(devmode)))
break;
if (devmode.dmPelsWidth != width)
if (dm.dmPelsWidth != width)
continue;
if (devmode.dmPelsHeight != height)
if (dm.dmPelsHeight != height)
continue;
if (devmode.dmBitsPerPel != depth)
if (dm.dmBitsPerPel != curr_bpp)
continue;
if (devmode.dmDisplayFrequency != freq)
if (dm.dmDisplayFrequency != int_hz)
continue;
#if _WIN32_WINNT >= 0x0500
if (dm.dmDisplayOrientation != curr_orientation)
continue;
if (dm.dmDisplayFixedOutput != DMDFO_DEFAULT)
continue;
#endif
devmode.dmFields |=
DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;
res =
win32_change_display_settings(NULL, &devmode, CDS_TEST);
dm.dmFields |= DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;
#if _WIN32_WINNT >= 0x0500
dm.dmFields |= DM_DISPLAYORIENTATION;
#endif
res = win32_change_display_settings(NULL, &dm, CDS_TEST);
switch (res)
{
case DISP_CHANGE_SUCCESSFUL:
res = win32_change_display_settings(NULL, &devmode, 0);
res = win32_change_display_settings(NULL, &dm, 0);
switch (res)
{
case DISP_CHANGE_SUCCESSFUL: