Changeset 561 for trunk/examples/opengl/framebufferobject/glwidget.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• examples/opengl/framebufferobject/glwidget.cpp (modified) (7 diffs)

trunk/examples/opengl/framebufferobject/glwidget.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information ([email protected])
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you 
+** @nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -54 +54 @@
     setWindowTitle(tr("OpenGL framebuffer objects"));
     makeCurrent();
-    fbo = new QGLFramebufferObject(1024, 1024);
+
+    if (QGLFramebufferObject::hasOpenGLFramebufferBlit()) {
+        QGLFramebufferObjectFormat format;
+        format.setSamples(4);
+        format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);
+
+        render_fbo = new QGLFramebufferObject(512, 512, format);
+        texture_fbo = new QGLFramebufferObject(512, 512);
+    } else {
+        render_fbo = new QGLFramebufferObject(1024, 1024);
+        texture_fbo = render_fbo;
+    }
+
     rot_x = rot_y = rot_z = 0.0f;
     scale = 0.1f;
@@ -114 +126 @@
     delete[] wave;
     glDeleteLists(tile_list, 1);
-    delete fbo;
+    delete texture_fbo;
+    if (render_fbo != texture_fbo)
+        delete render_fbo;
 }
 
@@ -130 +144 @@
 
     // render the 'bubbles.svg' file into our framebuffer object
-    QPainter fbo_painter(fbo);
+    QPainter fbo_painter(fbo);
     svg_renderer->render(&fbo_painter);
     fbo_painter.end();
+
+
+
+
+
+
 
     // draw into the GL widget
@@ -146 +166 @@
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-    glBindTexture(GL_TEXTURE_2D, fbo->texture());
+    glBindTexture(GL_TEXTURE_2D, fbo->texture());
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
     glEnable(GL_TEXTURE_2D);
     glEnable(GL_MULTISAMPLE);