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OpenGL20Demo.java
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OpenGL20Demo.java
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/*
* OpenGL20Demo.java
*
* Copyright © 1998-2011 Research In Motion Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Note: For the sake of simplicity, this sample application may not leverage
* resource bundles and resource strings. However, it is STRONGLY recommended
* that application developers make use of the localization features available
* within the BlackBerry development platform to ensure a seamless application
* experience across a variety of languages and geographies. For more information
* on localizing your application, please refer to the BlackBerry Java Development
* Environment Development Guide associated with this release.
*/
package com.rim.samples.device.opengl20demo;
import net.rim.device.api.opengles.GLUtils;
import net.rim.device.api.ui.Screen;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.container.FullScreen;
/**
* A sample application demonstrating the leveraging of OpenGL APIs on a
* BlackBerry Smartphone. The application does not incorporate any user
* interaction, but simply renders a 3D representation of a spinning cube on a
* plain black background.
*/
public final class OpenGL20Demo extends UiApplication {
/**
* Entry point for the application
*
* @param args
* Command line arguments (not used)
*/
public static void main(final String[] args) {
// Create a new instance of the application and make the currently
// running thread the application's event dispatch thread.
final OpenGL20Demo app = new OpenGL20Demo();
app.enterEventDispatcher();
}
/**
* Creates a new OpenGL20Demo object
*/
public OpenGL20Demo() {
// Check whether OpenGL 2.0 is supported on the current BlackBerry
// Smartphone
if (GLUtils.isSupported(GLUtils.VERSION_2_0)) {
final Screen screen =
new FullScreen(Screen.DEFAULT_MENU | Screen.DEFAULT_CLOSE);
screen.add(new OpenGLDemoField());
pushScreen(screen);
} else {
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
Dialog.alert("This device does not support OpenGL ES 2.0, exiting application...");
System.exit(0);
}
});
}
}
}