Provide unit test for Bug 817

1 files changed, 109 insertions, 0 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestBug817GLReadBufferUtilGLCTXDefFormatTypeES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestBug817GLReadBufferUtilGLCTXDefFormatTypeES2NEWT.java
new file mode 100644
index 000000000..ab84f2232
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestBug817GLReadBufferUtilGLCTXDefFormatTypeES2NEWT.java
@@ -0,0 +1,109 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.util.texture;
+
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+
+import org.junit.Test;
+
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.util.GLPixelBuffer.GLPixelAttributes;
+import com.jogamp.opengl.util.GLPixelBuffer.GLPixelBufferProvider;
+import com.jogamp.opengl.util.GLReadBufferUtil;
+import com.jogamp.opengl.util.texture.TextureIO;
+
+public class TestBug817GLReadBufferUtilGLCTXDefFormatTypeES2NEWT extends UITestCase {
+  static long durationPerTest = 60; // ms
+
+  public static void main(String[] args) {
+     for(int i=0; i<args.length; i++) {
+        if(args[i].equals("-time")) {
+            durationPerTest = MiscUtils.atoi(args[++i], 500);
+        }
+     }
+     System.out.println("durationPerTest: "+durationPerTest);
+     String tstname = TestBug817GLReadBufferUtilGLCTXDefFormatTypeES2NEWT.class.getName();
+     org.junit.runner.JUnitCore.main(tstname);
+  }
+
+  @Test
+  public void test00_RGBtoRGB() throws InterruptedException {
+    testImpl(false, false);
+  }
+  @Test
+  public void test01_RGBtoRGBA() throws InterruptedException {
+    testImpl(false, true);
+  }
+
+  @Test
+  public void test10_RGBAtoRGB() throws InterruptedException {
+    testImpl(true, false);
+  }
+  @Test
+  public void test11_RGBAtoRGBA() throws InterruptedException {
+    testImpl(true, true);
+  }
+
+  private void testImpl(final boolean alphaCaps, final boolean readAlpha) throws InterruptedException {
+    final GLReadBufferUtil screenshot = new GLReadBufferUtil(readAlpha ? true : false, false);
+    GLProfile glp = GLProfile.getGL2ES2();
+    GLCapabilities caps = new GLCapabilities(glp);
+
+    caps.setAlphaBits( alphaCaps ? 1 : 0 );
+    
+    final GLWindow window = GLWindow.create(caps);
+    window.addGLEventListener(new GearsES2());
+    window.addGLEventListener(new GLEventListener() {
+        int displayCount = 0;
+        public void init(GLAutoDrawable drawable) {}
+        public void dispose(GLAutoDrawable drawable) {}
+        public void display(GLAutoDrawable drawable) {
+            final GLPixelBufferProvider pixelBufferProvider = screenshot.getPixelBufferProvider();
+            final GLPixelAttributes pixelAttribs = pixelBufferProvider.getAttributes(drawable.getGL(), readAlpha ? 4 : 3);
+            System.err.println("GLPixelAttributes: "+pixelAttribs);
+            snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+        }
+        public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
+    });
+    window.setSize(512, 512);
+    window.setVisible(true);
+    window.requestFocus();
+
+    Thread.sleep(durationPerTest);
+
+    window.destroy();
+  }
+
+}