Display mode management

CoreServices/WindowServer/BSDFramebuffer.m

@@ -68,6 +68,7 @@ - (int)openFramebuffer: (const char *)device
 
     _currentMode->width = width;
     _currentMode->height = height;
+    _currentMode->depth = depth;
     _currentMode->refresh = 0; // FIXME: can we get this?
     _currentMode->flags = 0;
 
@@ -210,7 +211,6 @@ - (uint32_t)getDisplayID {
 
 // we can't change resolutions without a drm driver so this will always fail
 -(BOOL)setMode:(struct CGDisplayMode *)mode {
-    NSLog(@"%@ setMode always returns NO", [self class]);
     return NO;
 }
 

CoreServices/WindowServer/rpc.h

@@ -96,6 +96,7 @@ struct CGDisplayMode {
     int refcount;
     uint32_t width;
     uint32_t height;
+    uint32_t depth;
     float refresh;
     uint32_t flags;
 };

Frameworks/CoreGraphics/CGDirectDisplay.m

@@ -760,6 +760,45 @@ void CGDisplayModeRelease(CGDisplayModeRef mode) {
 }
 
 // Getting Information About a Display Mode
+size_t CGDisplayModeGetWidth(CGDisplayModeRef mode) {
+    if(mode == NULL)
+        return 0;
+    return mode->width;
+}
+
+size_t CGDisplayModeGetHeight(CGDisplayModeRef mode) {
+    if(mode == NULL)
+        return 0;
+    return mode->height;
+}
+
+double CGDisplayModeGetRefreshRate(CGDisplayModeRef mode) {
+    if(mode == NULL)
+        return 0;
+    return mode->refresh;
+}
+
+uint32_t CGDisplayModeGetIOFlags(CGDisplayModeRef mode) {
+    if(mode == NULL)
+        return 0;
+    return mode->flags;
+}
+
+int32_t CGDisplayModeGetIODisplayModeID(CGDisplayModeRef mode) {
+    return 0;
+}
+
+bool CGDisplayModeIsUsableForDesktopGUI(CGDisplayModeRef mode) {
+    if(mode == NULL)
+        return false;
+    if(mode->width >= 1024 && mode->height >= 768 && mode->depth >= 24)
+        return true;
+    return false;
+}
+
+CFTypeID CGDisplayModeGetTypeID(void) {
+    return 0; // FIXME
+}
 
 
 // WindowServer info