From 16216b991f264ce2ec2586a6d1c025dcbbafc1ac Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 24 Sep 2003 18:54:28 +0000
Subject: [PATCH] Added a local osg::State to the pbuffer implementation.

---
 examples/osgpbuffer/RenderToTextureStage.cpp | 3 ++-
 examples/osgpbuffer/RenderToTextureStage.h   | 8 +++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/examples/osgpbuffer/RenderToTextureStage.cpp b/examples/osgpbuffer/RenderToTextureStage.cpp
index 219342926..573170cdf 100644
--- a/examples/osgpbuffer/RenderToTextureStage.cpp
+++ b/examples/osgpbuffer/RenderToTextureStage.cpp
@@ -12,6 +12,7 @@
 MyRenderToTextureStage::MyRenderToTextureStage()
 {
     _pbuffer = 0L;
+    _localState = new osg::State;
 }
 
 MyRenderToTextureStage::~MyRenderToTextureStage()
@@ -46,7 +47,7 @@ void MyRenderToTextureStage::draw(osg::State& state, osgUtil::RenderLeaf*& previ
         _pbuffer->makeCurrent();
 
         // Render in p-buffer.
-        RenderStage::draw(state,previous);
+        RenderStage::draw(*_localState,previous);
 
         // restore window's context as current.
         if (!::wglMakeCurrent(hdc, hglrc))
diff --git a/examples/osgpbuffer/RenderToTextureStage.h b/examples/osgpbuffer/RenderToTextureStage.h
index 8816eb663..e9ddfbcb3 100644
--- a/examples/osgpbuffer/RenderToTextureStage.h
+++ b/examples/osgpbuffer/RenderToTextureStage.h
@@ -6,6 +6,7 @@
 #define RENDERTOTEXTURESTAGE 1
 
 #include <osg/Texture2D>
+#include <osg/State>
 
 #include <osgUtil/RenderStage>
 
@@ -49,9 +50,10 @@ class /*OSGUTIL_EXPORT*/ MyRenderToTextureStage : public osgUtil::RenderStage
     
         virtual ~MyRenderToTextureStage();
         
-        osg::ref_ptr<osg::Texture2D> _texture;
-        osg::ref_ptr<osg::Image> _image;
-        PBuffer* _pbuffer;
+        osg::ref_ptr<osg::Texture2D>    _texture;
+        osg::ref_ptr<osg::Image>        _image;
+        osg::ref_ptr<osg::State>        _localState;
+        PBuffer*                        _pbuffer;
 };
 
 // }