Changeset 9836 for OpenSceneGraph/branches/osg-cocoa-dev/src/osgViewer/PixelBufferCocoa.mm

Timestamp:

03/02/09 15:53:04 (4 years ago)

Author:

shuber

Message:

* fixed several issues with GraphicsWindowCocoa?, correct window-placement + resizing,
* first cut of PixelBufferCocoa?

Files:

• OpenSceneGraph/branches/osg-cocoa-dev/src/osgViewer/PixelBufferCocoa.mm (modified) (7 diffs)

OpenSceneGraph/branches/osg-cocoa-dev/src/osgViewer/PixelBufferCocoa.mm

@@ -10 +10 @@
 #include <iostream>
 #include <osgViewer/api/Cocoa/PixelBufferCocoa>
-
+#include <osgViewer/api/Cocoa/GraphicsWindowCocoa>
+#include <Cocoa/Cocoa.h>
 
 namespace osgViewer {
@@ -17 +18 @@
 void PixelBufferCocoa::init()
 {
-        std::cout << "PixelBufferCocoa :: init not implemented yet " << std::endl;
+        //std::cout << "PixelBufferCocoa :: init not implemented yet " << std::endl;
         
-        _valid = _initialized = _realized = true;    
+        _valid = _initialized = true;    
         
 
@@ -27 +28 @@
 {
         std::cout << "PixelBufferCocoa :: realizeImplementation not implemented yet " << std::endl;
-        return true;
+        
+    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
+         
+        NSOpenGLPixelFormatAttribute attr[32];
+    int i = 0;
+    
+    attr[i++] = NSOpenGLPFADepthSize;
+    attr[i++] = static_cast<NSOpenGLPixelFormatAttribute>(_traits->depth);
+
+    if (_traits->doubleBuffer) {
+        attr[i++] = NSOpenGLPFADoubleBuffer;
+    }
+    
+    if (_traits->alpha) { 
+        attr[i++] = NSOpenGLPFAAlphaSize;
+        attr[i++] = static_cast<NSOpenGLPixelFormatAttribute>(_traits->alpha);
+    }
+
+    if (_traits->stencil) {
+        attr[i++] = NSOpenGLPFAStencilSize;
+        attr[i++] = static_cast<NSOpenGLPixelFormatAttribute>(_traits->stencil);
+    }
+  
+
+    if (_traits->sampleBuffers) {
+        attr[i++] = NSOpenGLPFASampleBuffers;
+        attr[i++] = static_cast<NSOpenGLPixelFormatAttribute>(_traits->sampleBuffers);
+        attr[i++] = NSOpenGLPFASamples;
+        attr[i++] = static_cast<NSOpenGLPixelFormatAttribute>(_traits->samples);
+    }
+
+    attr[i++] = NSOpenGLPFAPixelBuffer; // for pbuffer usage
+    attr[i++] = NSOpenGLPFAAccelerated;
+    attr[i] = static_cast<NSOpenGLPixelFormatAttribute>(0);
+    
+    // create the context
+    NSOpenGLContext* sharedContext = NULL;
+    
+    GraphicsWindowCocoa* graphicsWindowCocoa = dynamic_cast<GraphicsWindowCocoa*>(_traits->sharedContext);
+    if (graphicsWindowCocoa) 
+    {
+        sharedContext = graphicsWindowCocoa->getContext();
+    }
+    else
+    {
+        PixelBufferCocoa* pixelbuffer = dynamic_cast<PixelBufferCocoa*>(_traits->sharedContext);
+        if (pixelbuffer) {
+            sharedContext = pixelbuffer->getContext();
+        }
+    }
+        
+        NSOpenGLPixelFormat* pixelformat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr ];
+    _context = [[NSOpenGLContext alloc] initWithFormat: pixelformat shareContext: sharedContext];
+    NSOpenGLPixelBuffer* pbuffer = [[NSOpenGLPixelBuffer alloc] initWithTextureTarget: _traits->target textureInternalFormat: _traits->format textureMaxMipMapLevel: _traits->level pixelsWide: _traits->width pixelsHigh: _traits->height];
+    
+    [_context setPixelBuffer: pbuffer cubeMapFace: _traits->face mipMapLevel:_traits->level currentVirtualScreen: nil];
+    
+    [pool release];
+    
+    _realized = (_context != nil);
+    return _realized;
 }
+
 
 void PixelBufferCocoa::closeImplementation()
 {
-        std::cout << "PixelBufferCocoa :: closeImplementation not implemented yet " << std::endl;
+        _realized = false;
+    
+    
 }
+
 
 
@@ -39 +104 @@
 bool PixelBufferCocoa::makeCurrentImplementation()
 {
-        std::cout << "PixelBufferCocoa :: makeCurrentImplementation not implemented yet " << std::endl;
+        // osg::notify(osg::INFO) << "PixelBufferCocoa::makeCurrentImplementation" << std::endl;
+    
+    [_context makeCurrentContext];
         return true;
 }
@@ -47 +114 @@
 bool PixelBufferCocoa::makeContextCurrentImplementation(osg::GraphicsContext* readContext)
 {
-        std::cout << "PixelBufferCocoa :: makeContextCurrentImplementation not implemented yet " << std::endl;
-        return true;
+        return makeCurrentImplementation();
 }
 
@@ -54 +120 @@
 bool PixelBufferCocoa::releaseContextImplementation()
 {
-        std::cout << "PixelBufferCocoa :: releaseContextImplementation not implemented yet " << std::endl;
-        return true;
+        // osg::notify(osg::INFO) << "PixelBufferCocoa::releaseContextImplementation" << std::endl;
+    
+    [NSOpenGLContext clearCurrentContext];
+    return true;
 }
 
@@ -67 +135 @@
 void PixelBufferCocoa::swapBuffersImplementation()
 {
-        std::cout << "PixelBufferCocoa :: swapBuffersImplementation not implemented yet " << std::endl;
+        osg::notify(osg::INFO) << "PixelBufferCocoa::swapBuffersImplementation" << std::endl;
+    [_context flushBuffer];
 }
 
  PixelBufferCocoa::~PixelBufferCocoa()
  {      
+    [_context release];
  }