src/java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c

@@ -1665,10 +1665,15 @@
 typedef XRROutputInfo * (*XRRGetOutputInfoType)(Display *dpy,
                                 XRRScreenResources *resources, RROutput output);
 
 typedef void (*XRRFreeOutputInfoType)(XRROutputInfo *outputInfo);
 
+typedef XRRCrtcInfo* (*XRRGetCrtcInfoType)(Display *dpy,
+                                    XRRScreenResources *resources, RRCrtc crtc);
+
+typedef void (*XRRFreeCrtcInfoType)(XRRCrtcInfo *crtcInfo);
+
 static XRRQueryVersionType               awt_XRRQueryVersion;
 static XRRGetScreenInfoType              awt_XRRGetScreenInfo;
 static XRRFreeScreenConfigInfoType       awt_XRRFreeScreenConfigInfo;
 static XRRConfigRatesType                awt_XRRConfigRates;
 static XRRConfigCurrentRateType          awt_XRRConfigCurrentRate;

@@ -1678,10 +1683,12 @@
 static XRRConfigRotationsType            awt_XRRConfigRotations;
 static XRRGetScreenResourcesType         awt_XRRGetScreenResources;
 static XRRFreeScreenResourcesType        awt_XRRFreeScreenResources;
 static XRRGetOutputInfoType              awt_XRRGetOutputInfo;
 static XRRFreeOutputInfoType             awt_XRRFreeOutputInfo;
+static XRRGetCrtcInfoType                awt_XRRGetCrtcInfo;
+static XRRFreeCrtcInfoType               awt_XRRFreeCrtcInfo;
 
 #define LOAD_XRANDR_FUNC(f) \
     do { \
         awt_##f = (f##Type)dlsym(pLibRandR, #f); \
         if (awt_##f == NULL) { \

@@ -1753,10 +1760,12 @@
     LOAD_XRANDR_FUNC(XRRConfigRotations);
     LOAD_XRANDR_FUNC(XRRGetScreenResources);
     LOAD_XRANDR_FUNC(XRRFreeScreenResources);
     LOAD_XRANDR_FUNC(XRRGetOutputInfo);
     LOAD_XRANDR_FUNC(XRRFreeOutputInfo);
+    LOAD_XRANDR_FUNC(XRRGetCrtcInfo);
+    LOAD_XRANDR_FUNC(XRRFreeCrtcInfo);
 
     return JNI_TRUE;
 }
 
 static jobject

@@ -1893,11 +1902,53 @@
     XRRScreenConfiguration *config;
     jobject displayMode = NULL;
 
     AWT_LOCK();
 
-    if (screen < ScreenCount(awt_display)) {
+    if (usingXinerama && XScreenCount(awt_display) > 0) {
+        XRRScreenResources *res = awt_XRRGetScreenResources(awt_display,
+                                                    RootWindow(awt_display, 0));
+        if (res) {
+            if (res->noutput > screen) {
+                XRROutputInfo *output_info = awt_XRRGetOutputInfo(awt_display,
+                                                     res, res->outputs[screen]);
+                if (output_info) {
+                    if (output_info->crtc) {
+                        XRRCrtcInfo *crtc_info =
+                                    awt_XRRGetCrtcInfo (awt_display, res,
+                                                        output_info->crtc);
+                        if (crtc_info) {
+                            if (crtc_info->mode) {
+                                int i;
+                                for (i = 0; i < res->nmode; i++) {
+                                    XRRModeInfo *mode = &res->modes[i];
+                                    if (mode->id == crtc_info->mode) {
+                                        float rate = 0;
+                                        if (mode->hTotal && mode->vTotal) {
+                                             rate = ((float)mode->dotClock /
+                                                    ((float)mode->hTotal *
+                                                    (float)mode->vTotal));
+                                        }
+                                        displayMode = X11GD_CreateDisplayMode(
+                                                           env,
+                                                           mode->width,
+                                                           mode->height,
+                                                           BIT_DEPTH_MULTI,
+                                                           (int)(rate +.2));
+                                        break;
+                                    }
+                                }
+                            }
+                            awt_XRRFreeCrtcInfo(crtc_info);
+                        }
+                    }
+                    awt_XRRFreeOutputInfo(output_info);
+                }
+            }
+            awt_XRRFreeScreenResources(res);
+        }
+    } else {
 
         config = awt_XRRGetScreenInfo(awt_display,
                                       RootWindow(awt_display, screen));
         if (config != NULL) {
             Rotation rotation;

@@ -1952,11 +2003,11 @@
            if (res->noutput > screen) {
                 XRROutputInfo *output_info = awt_XRRGetOutputInfo(awt_display,
                                                      res, res->outputs[screen]);
                 if (output_info) {
                     int i;
-                    for (i = 0; i < res->nmode; i++) {
+                    for (i = 0; i < output_info->nmode; i++) {
                         RRMode m = output_info->modes[i];
                         int j;
                         XRRModeInfo *mode;
                         for (j = 0; j < res->nmode; j++) {
                             mode = &res->modes[j];