Changeset 4414 for OpenSceneGraph/trunk/examples/osgprerendercubemap/osgprerendercubemap.cpp

Timestamp:

07/25/05 15:05:57 (8 years ago)

Author:

robert

Message:

Added support for TextureCubeMap? into osgUtil::RenderToTextureStage?.

Files:

• OpenSceneGraph/trunk/examples/osgprerendercubemap/osgprerendercubemap.cpp (modified) (5 diffs)

OpenSceneGraph/trunk/examples/osgprerendercubemap/osgprerendercubemap.cpp

@@ -188 +188 @@
 
 
-osg::Group* createShadowedScene(osg::Node* reflectedSubgraph, osg::RefNodePath reflectorNodePath, unsigned int unit, const osg::Vec4& clearColor)
+osg::Group* createShadowedScene(osg::Node* reflectedSubgraph, osg::RefNodePath reflectorNodePath, unsigned int unit, const osg::Vec4& clearColor, unsigned tex_width, unsigned tex_height, osg::CameraNode::RenderTargetImplementation renderImplementation)
 {
 
     osg::Group* group = new osg::Group;
-    
-    unsigned int tex_width = 512;
-    unsigned int tex_height = 512;
     
     osg::TextureCubeMap* texture = new osg::TextureCubeMap;
@@ -221 +218 @@
 
         // tell the camera to use OpenGL frame buffer object where supported.
-        camera->setRenderTargetImplmentation(osg::CameraNode::FRAME_BUFFER_OBJECT);
+        camera->setRenderTargetImplmentation(renderImplementation);
 
         // attach the texture and use it as the color buffer.
@@ -277 +274 @@
     arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName());
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help", "Display this information");
+    arguments.getApplicationUsage()->addCommandLineOption("--fbo","Use Frame Buffer Object for render to texture, where supported.");
+    arguments.getApplicationUsage()->addCommandLineOption("--fb","Use FrameBuffer for render to texture.");
+    arguments.getApplicationUsage()->addCommandLineOption("--pbuffer","Use Pixel Buffer for render to texture, where supported.");
+    arguments.getApplicationUsage()->addCommandLineOption("--window","Use a seperate Window for render to texture.");
+    arguments.getApplicationUsage()->addCommandLineOption("--width","Set the width of the render to texture");
+    arguments.getApplicationUsage()->addCommandLineOption("--height","Set the height of the render to texture");
 
     // construct the viewer.
@@ -293 +296 @@
         return 1;
     }
+    
+    unsigned tex_width = 512;
+    unsigned tex_height = 512;
+    while (arguments.read("--width", tex_width)) {}
+    while (arguments.read("--height", tex_height)) {}
+
+    osg::CameraNode::RenderTargetImplementation renderImplementation = osg::CameraNode::FRAME_BUFFER_OBJECT;
+    
+    while (arguments.read("--fbo")) { renderImplementation = osg::CameraNode::FRAME_BUFFER_OBJECT; }
+    while (arguments.read("--pbuffer")) { renderImplementation = osg::CameraNode::PIXEL_BUFFER; }
+    while (arguments.read("--fb")) { renderImplementation = osg::CameraNode::FRAME_BUFFER; }
+    while (arguments.read("--window")) { renderImplementation = osg::CameraNode::SEPERATE_WINDOW; }
+    
 
     // any option left unread are converted into errors to write out later.
@@ -310 +326 @@
     if (!reflectedSubgraph.valid()) return 1;
 
-    ref_ptr<Group> reflectedScene = createShadowedScene(reflectedSubgraph.get(),createReflector(),0, viewer.getClearColor());
+    ref_ptr<Group> reflectedScene = createShadowedScene(reflectedSubgraph.get(), createReflector(), 0, viewer.getClearColor(),
+                                                        tex_width, tex_height, renderImplementation);
 
     scene->addChild(reflectedScene.get());