Changeset 8334 for OpenSceneGraph/trunk/examples/osgscreencapture/osgscreencapture.cpp

Timestamp:

05/24/08 10:13:55 (5 years ago)

Author:

robert

Message:

Changed default format to GL_BGR

Files:

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

OpenSceneGraph/trunk/examples/osgscreencapture/osgscreencapture.cpp

@@ -51 +51 @@
                 _mode(mode),
                 _fileName(name),
-                _pixelFormat(GL_RGB),
+                _pixelFormat(GL_BGR),
                 _type(GL_UNSIGNED_BYTE),
                 _width(0),
@@ -194 +194 @@
     osg::Image* image = _imageBuffer[_currentImageIndex].get();
 
+#if 1
     image->readPixels(0,0,_width,_height,
                       _pixelFormat,_type);
+#endif
 
     if (!_fileName.empty())
@@ -252 +254 @@
     }
 
+#if 1
     glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
+#endif
 
     GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
@@ -315 +319 @@
     
     
+    bool doCopy = copy_pbo!=0;
+    if (copy_pbo==0)
+    {
+        ext->glGenBuffers(1, &copy_pbo);
+        ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
+        ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
+
+        osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
+    }
+
     if (read_pbo==0)
     {
@@ -328 +342 @@
     }
 
+#if 1
     glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
-
-
-    if (copy_pbo!=0)
+#endif
+
+    if (doCopy)
     {