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Implement display mode query on Linux

master
Marius Petcu 2018-10-20 12:56:13 +03:00
parent 011252bb78
commit 8706fb4150
1 changed files with 41 additions and 45 deletions
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86
defos/src/defos_linux.cpp
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@ -349,8 +349,49 @@ extern void defos_get_displays(dmArray<DisplayInfo> &displayList)
{
}
static const XRRModeInfo* get_mode_info(const XRRScreenResources* screenResources, RRMode id){
for (int i = 0; i < screenResources->nmode; i++){
if (screenResources->modes[i].id == id){
return screenResources->modes + i;
}
}
return NULL;
}
static double compute_refresh_rate(const XRRModeInfo* modeInfo)
{
if (!modeInfo->hTotal || !modeInfo->vTotal) {
return 0;
}
return ((double)modeInfo->dotClock / ((double)modeInfo->hTotal * (double)modeInfo->vTotal));
}
extern void defos_get_display_modes(DisplayID displayID, dmArray<DisplayModeInfo> &modeList)
{
RROutput output = (RROutput)displayID;
XRRScreenResources *screenResources = XRRGetScreenResourcesCurrent(disp, win);
XRROutputInfo *outputInfo = XRRGetOutputInfo(disp, screenResources, output);
unsigned long bpp = (long)DefaultDepth(disp, screen);
double scaling_factor = 1.0; // TODO: Get scaling factor
modeList.OffsetCapacity(outputInfo->nmode);
for (int i = 0; i < outputInfo->nmode; i++){
const XRRModeInfo *modeInfo = get_mode_info(screenResources, outputInfo->modes[i]);
DisplayModeInfo mode;
mode.width = modeInfo->width;
mode.height = modeInfo->height;
mode.refresh_rate = compute_refresh_rate(modeInfo);
mode.bits_per_pixel = bpp;
mode.scaling_factor = scaling_factor;
modeList.Push(mode);
}
XRRFreeOutputInfo(outputInfo);
XRRFreeScreenResources(screenResources);
}
extern DisplayID defos_get_current_display()
@ -358,51 +399,6 @@ extern DisplayID defos_get_current_display()
return (DisplayID)XRRGetOutputPrimary(disp, win);
}
// static const XRRModeInfo* getModeInfo(const XRRScreenResources* sr, RRMode id){
// for(int i=0;i<sr->nmode;i++){
// if(sr->modes[i].id == id){
// return sr->modes+i;
// }
// }
//
// return NULL;
// }
//
// static long calculateRefreshRate(const XRRModeInfo* mi)
// {
// if (!mi->hTotal || !mi->vTotal)
// return 0;
//
// return (long) ((double) mi->dotClock / ((double) mi->hTotal * (double) mi->vTotal));
// }
//
// // NOTE: seems like this function only can query those that with 60 fraquency
// void defos_get_displays(dmArray<DisplayInfo> *displist)
// {
// RROutput output = XRRGetOutputPrimary(disp, win);
//
// XRRScreenResources *res = XRRGetScreenResourcesCurrent(disp, win);
// XRROutputInfo *oi= XRRGetOutputInfo(disp, res, output);
// long bpp = (long)DefaultDepth(disp, screen);
//
// for(int i=0;i<oi->nmode;i++){
// const XRRModeInfo *mi = getModeInfo(res, oi->modes[i]);
//
// DisplayInfo info;
// // TODO: add rotation detect
// info.w = (long)mi->width;
// info.h= (long)mi->height;
// info.frequency = calculateRefreshRate(mi);
// info.bitsPerPixel = bpp;
//
// displist->OffsetCapacity(1);
// displist->Push(info);
// }
//
// XRRFreeOutputInfo(oi);
// XRRFreeScreenResources(res);
// }
extern void defos_set_window_icon(const char *icon_path)
{
}