5 files changed, 34 insertions, 2 deletions
diff --git a/indra/llwindow/llopenglview-objc.h b/indra/llwindow/llopenglview-objc.h
index b344bed2ef..c3ae34ea50 100644
--- a/indra/llwindow/llopenglview-objc.h
+++ b/indra/llwindow/llopenglview-objc.h
@@ -7,6 +7,9 @@
 //
 
 #import <Cocoa/Cocoa.h>
+#import <IOKit/IOKitLib.h>
+#import <CoreFoundation/CFBase.h>
+#import <CoreFoundation/CFNumber.h>
 #include "llwindowmacosx-objc.h"
 
 // Some nasty shovelling of LLOpenGLView from LLNativeBindings to prevent any C++ <-> Obj-C interop oddities.
@@ -33,6 +36,8 @@
 - (CGLContextObj) getCGLContextObj;
 - (CGLPixelFormatObj*)getCGLPixelFormatObj;
 
+- (unsigned long) getVramSize;
+
 @end
 
 @interface LLNSWindow : NSWindow {
diff --git a/indra/llwindow/llopenglview-objc.mm b/indra/llwindow/llopenglview-objc.mm
index 1d26ca5ca1..6ea523ea05 100644
--- a/indra/llwindow/llopenglview-objc.mm
+++ b/indra/llwindow/llopenglview-objc.mm
@@ -39,6 +39,24 @@
 
 @implementation LLOpenGLView
 
+- (unsigned long)getVramSize
+{
+    CGLRendererInfoObj info = 0;
+	GLint vram_bytes = 0;
+    int num_renderers = 0;
+    CGLError the_err = CGLQueryRendererInfo (CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay), &info, &num_renderers);
+    if(0 == the_err)
+    {
+        CGLDescribeRenderer (info, 0, kCGLRPTextureMemory, &vram_bytes);
+        CGLDestroyRendererInfo (info);
+    }
+    else
+    {
+        vram_bytes = (256 << 20);
+    }
+	return (unsigned long)vram_bytes;
+}
+
 - (void)viewDidMoveToWindow
 {
 	[[NSNotificationCenter defaultCenter] addObserver:self
diff --git a/indra/llwindow/llwindowmacosx-objc.h b/indra/llwindow/llwindowmacosx-objc.h
index 62c5b8298f..f3d6d2b1f1 100644
--- a/indra/llwindow/llwindowmacosx-objc.h
+++ b/indra/llwindow/llwindowmacosx-objc.h
@@ -62,6 +62,7 @@ NSWindowRef createNSWindow(int x, int y, int width, int height);
 GLViewRef createOpenGLView(NSWindowRef window, unsigned int samples, bool vsync);
 void glSwapBuffers(void* context);
 CGLContextObj getCGLContextObj(GLViewRef view);
+unsigned long getVramSize(GLViewRef view);
 void getContentViewBounds(NSWindowRef window, float* bounds);
 void getWindowSize(NSWindowRef window, float* size);
 void setWindowSize(NSWindowRef window, int width, int height);
diff --git a/indra/llwindow/llwindowmacosx-objc.mm b/indra/llwindow/llwindowmacosx-objc.mm
index e4e12f4b5c..b859f236d4 100644
--- a/indra/llwindow/llwindowmacosx-objc.mm
+++ b/indra/llwindow/llwindowmacosx-objc.mm
@@ -237,6 +237,11 @@ CGLPixelFormatObj* getCGLPixelFormatObj(NSWindowRef window)
 	return [glview getCGLPixelFormatObj];
 }
 
+unsigned long getVramSize(GLViewRef view)
+{
+	return [(LLOpenGLView *)view getVramSize];
+}
+
 void getContentViewBounds(NSWindowRef window, float* bounds)
 {
 	bounds[0] = [[(LLNSWindow*)window contentView] bounds].origin.x;
diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp
index 2f6c2101ef..34cc371526 100644
--- a/indra/llwindow/llwindowmacosx.cpp
+++ b/indra/llwindow/llwindowmacosx.cpp
@@ -441,6 +441,8 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 		mContext = getCGLContextObj(mGLView);
 		// Since we just created the context, it needs to be set up.
 		glNeedsInit = TRUE;
+		
+		gGLManager.mVRAM = getVramSize(mGLView);
 	}
 
 	// Hook up the context to a drawable
@@ -542,8 +544,9 @@ void LLWindowMacOSX::destroyContext()
 	// Close the window
 	if(mWindow != NULL)
 	{
-		closeWindow(mWindow);
-		mWindow = NULL;
+        NSWindowRef dead_window = mWindow;
+        mWindow = NULL;
+		closeWindow(dead_window);
 	}
 
 }