From 0a6e191eaebcc8edc2611dbedab6fd04a615fc2f Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Thu, 26 Jun 2003 13:21:12 +0000
Subject: Initial Mac OS X port of Jogl by Gerard Ziemski and Kenneth Russell,
 subsuming the previous prototype implementation (no GLCanvas support) done by
 Marc Downie.

Added user's guide (HTML format) under doc/userguide/index.html.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@13 232f8b59-042b-4e1e-8c03-345bb8c30851
---
 src/native/jogl/MacOSXWindowSystemInterface.m | 94 +++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/native/jogl/MacOSXWindowSystemInterface.m

(limited to 'src/native')

diff --git a/src/native/jogl/MacOSXWindowSystemInterface.m b/src/native/jogl/MacOSXWindowSystemInterface.m
new file mode 100644
index 000000000..074b98b2a
--- /dev/null
+++ b/src/native/jogl/MacOSXWindowSystemInterface.m
@@ -0,0 +1,94 @@
+#import <Cocoa/Cocoa.h>
+#import <OpenGL/gl.h>
+
+typedef int Bool;
+
+void* createContext(void* nsView) {
+  NSView *view = nsView;
+        
+  // FIXME: hardcoded pixel format. Instead pass these attributes down
+  // as arguments. There is really no way to enumerate the possible
+  // pixel formats for a given window on Mac OS X, so we will assume
+  // that we can match the requested capabilities and leave the
+  // selection up to the built-in pixel format selection algorithm.
+  GLuint attribs[] = {
+    NSOpenGLPFANoRecovery,
+    NSOpenGLPFAWindow,
+    NSOpenGLPFAAccelerated,
+    NSOpenGLPFADoubleBuffer,
+    NSOpenGLPFAColorSize, 32,
+    NSOpenGLPFAAlphaSize, 8,
+    NSOpenGLPFADepthSize, 24,
+    NSOpenGLPFAStencilSize, 8,
+    NSOpenGLPFAAccumSize, 0,
+    0
+  };
+    
+  NSRect rect = [view frame];
+    
+  NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes: (NSOpenGLPixelFormatAttribute*) attribs]; 
+    
+  NSOpenGLContext* context = [[NSOpenGLContext alloc] initWithFormat: [fmt autorelease] shareContext: nil];
+    
+  if (view != nil) {
+    [context setView: view];
+        
+    [context makeCurrentContext];
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    [context update];
+    [context flushBuffer];
+  }
+
+  return context;
+}
+
+Bool makeCurrentContext(void* nsView, void* nsContext) {
+  NSOpenGLContext *context = nsContext;
+    
+  [context makeCurrentContext];
+  return true;
+}
+
+Bool clearCurrentContext(void* nsView, void* nsContext) {
+  NSView *view = nsView;
+  NSOpenGLContext *context = nsContext;
+    
+  [NSOpenGLContext clearCurrentContext];
+  return true;
+}
+
+void updateContext(void* nsView, void* nsContext) {
+  NSView *view = nsView;
+  NSOpenGLContext *context = nsContext;
+    
+  [context update];
+}
+
+Bool deleteContext(void* nsView, void* nsContext) {
+  NSOpenGLContext *context = nsContext;
+    
+  [context setView: nil];
+  [context release];
+  return true;
+}
+
+Bool flushBuffer(void* nsView, void* nsContext) {
+  NSOpenGLContext *context = nsContext;
+
+  [context flushBuffer];
+  return true;
+}
+
+
+#include <mach-o/dyld.h>
+void* getProcAddress(const char *procname) {
+  void *funcPtr = NULL;
+  static char underscoreName[256];
+  strcpy(underscoreName, "_");
+  strcat(underscoreName, procname);
+  if (NSIsSymbolNameDefined(underscoreName)) {
+    NSSymbol sym = NSLookupAndBindSymbol(underscoreName);
+    funcPtr = (void *)NSAddressOfSymbol(sym);
+  }
+  return funcPtr;
+}
-- 
cgit v1.2.3