Changeset 561 for trunk/examples/opengl/framebufferobject

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/bubbles.svg (modified) (14 diffs)
• examples/opengl/framebufferobject/framebufferobject.pro (modified) (1 diff)
• examples/opengl/framebufferobject/glwidget.cpp (modified) (7 diffs)
• examples/opengl/framebufferobject/glwidget.h (modified) (4 diffs)
• examples/opengl/framebufferobject/main.cpp (modified) (3 diffs)

trunk/examples/opengl/framebufferobject/bubbles.svg

@@ -73 +73 @@
                       cx="0" cy="0" r="100" fx="-50" fy="50">
         <stop offset="0%" stop-color="black" stop-opacity="1.0" />
-        <stop offset="100%" stop-color="white" stop-opacity="0.0" />
+        <stop offset="100%" stop-color="black" stop-opacity="0.0" />
       </radialGradient>
 
@@ -92 +92 @@
   <g transform="translate(200,700)">
     <use xlink:href="#bubble" fill="url(#blueBubble)" />
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="1s" dur="10s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -99 +99 @@
       <use xlink:href="#bubble" fill="url(#redBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="3s" dur="7s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -106 +106 @@
       <use xlink:href="#bubble" fill="url(#greenBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="5s" dur="9s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -113 +113 @@
       <use xlink:href="#bubble" fill="url(#yellowBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="2s" dur="6s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -120 +120 @@
       <use xlink:href="#bubble" fill="url(#blueBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="4s" dur="8s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -127 +127 @@
       <use xlink:href="#bubble" fill="url(#redBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="1s" dur="4s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -134 +134 @@
       <use xlink:href="#bubble" fill="url(#greenBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="0s" dur="11s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -141 +141 @@
       <use xlink:href="#bubble" fill="url(#yellowBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="3s" dur="7.5s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -149 +149 @@
       <use xlink:href="#bubble" fill="url(#blueBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="3s" dur="6s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -156 +156 @@
       <use xlink:href="#bubble" fill="url(#redBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="5.5s" dur="7s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -163 +163 @@
       <use xlink:href="#bubble" fill="url(#greenBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="1s" dur="9s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -170 +170 @@
       <use xlink:href="#bubble" fill="url(#yellowBubble)" />
     </g>
-    <animateTransform attributeName="transform" type="translate"
+    <animateTransform attributeName="transform" type="translate" additive="sum"
         values="0,0; 0,-800" begin="2s" dur="9.5s" fill="freeze" repeatCount="indefinite" />
   </g>
@@ -187 +187 @@
       <path fill="black" d="M 37,50 L 50,37 L 12,-1 L 22,-11 L 10,-24 L -24,10
                             L -11,22 L -1,12 Z" />
-      <animateTransform attributeName="transform"  type="rotate" values="0; 360"
+      <animateTransform attributeName="transform"  type="rotate" additive="sum" values="0; 360"
                  begin="0s" dur="10s" fill="freeze" repeatCount="indefinite" />
     </g>

trunk/examples/opengl/framebufferobject/framebufferobject.pro

@@ -21 +21 @@
 INSTALLS += target sources
 
+symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
+

trunk/examples/opengl/framebufferobject/glwidget.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** 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 have questions regarding the use of this file, please contact
+** Nokia at qt-info@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(render_fbo);
     svg_renderer->render(&fbo_painter);
     fbo_painter.end();
+
+    if (render_fbo != texture_fbo) {
+        QRect rect(0, 0, render_fbo->width(), render_fbo->height());
+        QGLFramebufferObject::blitFramebuffer(texture_fbo, rect,
+                                              render_fbo, rect);
+    }
 
     // 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, texture_fbo->texture());
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     glEnable(GL_TEXTURE_2D);
     glEnable(GL_MULTISAMPLE);

trunk/examples/opengl/framebufferobject/glwidget.h

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** 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 have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -78 +78 @@
     QTimeLine *anim;
     QSvgRenderer *svg_renderer;
-    QGLFramebufferObject *fbo;
+    QGLFramebufferObject *render_fbo;
+    QGLFramebufferObject *texture_fbo;
 };
 

trunk/examples/opengl/framebufferobject/main.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** 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 have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **