From fbdf8c337805b02385bf43b65aad93c20a2e3ad2 Mon Sep 17 00:00:00 2001
From: Gerard Ziemski <gerard.ziemski@sun.com>
Date: Sun, 12 Oct 2003 06:31:59 +0000
Subject: Implemented PBuffers (available in >= Panther). Reimplemented window
 resizing using update listener

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@67 232f8b59-042b-4e1e-8c03-345bb8c30851
---
 src/native/jogl/ContextUpdater.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/native/jogl/ContextUpdater.h

(limited to 'src/native/jogl/ContextUpdater.h')

diff --git a/src/native/jogl/ContextUpdater.h b/src/native/jogl/ContextUpdater.h
new file mode 100644
index 000000000..e8b757fac
--- /dev/null
+++ b/src/native/jogl/ContextUpdater.h
@@ -0,0 +1,40 @@
+/*
+
+Listens to NSViewGlobalFrameDidChangeNotification
+
+This notification is sent whenever an NSView that has an attached NSSurface changes size or changes screens (thus potentially changing graphics hardware drivers.)
+
+*/
+
+#import <Cocoa/Cocoa.h>
+#import <Foundation/Foundation.h>
+#import <AppKit/NSView.h>
+#import <OpenGL/OpenGL.h>
+#import <OpenGL/gl.h>
+
+//#define DEBUG_GL_LOCKS
+
+#ifdef DEBUG_GL_LOCKS
+	#define LOCK_GL(func, line) [ContextUpdater lockInFunction:func atLine:line];
+	#define UNLOCK_GL(func, line) [ContextUpdater unlockInFunction:func atLine:line];
+#else
+	#define LOCK_GL(func, line) [ContextUpdater lock];
+	#define UNLOCK_GL(func, line) [ContextUpdater unlock];
+#endif
+
+// gznote: OpenGL NOT thread safe - need to sync on update and paints
+
+@interface ContextUpdater : NSObject
+{
+}
+
++ (void) lock;
++ (void) lockInFunction:(char *)func atLine:(int)line;
++ (void) unlock;
++ (void) unlockInFunction:(char *)func atLine:(int)line;
+
+- (void) registerFor:(NSOpenGLContext *)context with: (NSView *)window;
+
+- (void) update:(NSNotification *)notification;
+
+@end
-- 
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