Examples of org.lwjgl.opengl.PixelFormat

org.lwjgl.opengl.PixelFormat
This class describes pixel format properties for an OpenGL context. Instances of this class is used as arguments to Display.create(), Pbuffer.create() and AWTGLCanvas, to indicate minimum required properties.
Instants of this class are immutable. An example of the expected way to set the PixelFormat property values is the following: PixelFormat pf = new PixelFormat().withDepth(24).withSamples(4).withSRGB(true);
WARNING: Some pixel formats are known to cause troubles on certain buggy drivers. Example: Under Windows, specifying samples != 0 will enable the ARB pixel format selection path, which could trigger a crash. @author elias_naur@sourceforge.net @version $Revision: 3355 $


  protected Pbuffer init(final int width, final int height, final int texID) {
    Pbuffer pbuffer = null;


    try {
      pbuffer = new Pbuffer(width, height, new PixelFormat(16, 0, 0, 0, 0), null, null);


      // Initialise state of the pbuffer context.
      pbuffer.makeCurrent();


      PbufferTest.initGLState(width, height, 0.5f);

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  protected Pbuffer init(final int width, final int height, final int texID) {
    Pbuffer pbuffer = null;


    try {
      final RenderTexture rt = new RenderTexture(true, false, false, false, RenderTexture.RENDER_TEXTURE_2D, 0);
      pbuffer = new Pbuffer(width, height, new PixelFormat(16, 0, 0, 0, 0), rt, null);


      // Initialise state of the pbuffer context.
      pbuffer.makeCurrent();


      PbufferTest.initGLState(width, height, 0.5f);

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  public PbufferTest(final int renderMode) {
    try {
      //find displaymode
      mode = findDisplayMode(800, 600, 16);
      Display.setDisplayMode(mode);
      Display.create(new PixelFormat(16, 0, 0, 0, 0));


      glInit();


      if ( (Pbuffer.getCapabilities() & Pbuffer.PBUFFER_SUPPORTED) == 0 ) {
        System.out.println("No Pbuffer support!");

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   * Initializes the test
   */
  private void initialize() {
    try {
      //find displaymode
      pbuffer = new Pbuffer(512, 512, new PixelFormat(), null, null);
      mode = findDisplayMode(800, 600, 16);
      Display.setDisplayMode(mode);
      // start of in windowed mode
      Display.create();
//      gl = new GLWindow("Test", 50, 50, mode.width, mode.height, mode.bpp, 0, 0, 0);

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  private void render() {
    if (pbuffer.isBufferLost()) {
        System.out.println("Buffer contents lost - will recreate the buffer");
        pbuffer.destroy();
  try {
          pbuffer = new Pbuffer(512, 512, new PixelFormat(), null, null);
          initPbuffer();
  } catch (LWJGLException e) {
    e.printStackTrace();
  }
    }

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       * @throws Exception Failure to create display
       */
      private void createDisplay() throws Exception {
         try {
            // create display with alpha
            Display.create(new PixelFormat(8,8,0));
            alphaSupport = true;
         } catch (Exception e) {
            // if we couldn't get alpha, let us know
            alphaSupport = false;
             Display.destroy();

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    Log.info("TargetDisplayMode: "+targetDisplayMode);
    
    AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
            try {
              PixelFormat format = new PixelFormat(8,8,0,samples);
              
              tryCreateDisplay(format);
              supportsMultiSample = true;
            } catch (Exception e) {
              Display.destroy();
              
              try {
                PixelFormat format = new PixelFormat(8,8,0);
                
                tryCreateDisplay(format);
                alphaSupport = false;
              } catch (Exception e2) {
                Display.destroy();
                // if we couldn't get alpha, let us know
                try {
                  tryCreateDisplay(new PixelFormat());
                } catch (Exception e3) {
                  Log.error(e3);
                }
              }
            }

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      Log.info("TargetDisplayMode: " + targetDisplayMode);


      AccessController.doPrivileged(new PrivilegedAction() {
        public Object run() {
          int sample=8;
          PixelFormat format;
          while (!Display.isCreated()) {
            try {
              format = new PixelFormat(8, 8, 0,sample);
              if (SHARED_DRAWABLE == null) {
                Display.create(format);
              } else {
                Display.create(format, SHARED_DRAWABLE);
              }
              //System.out.println("Samples:"+sample);
            } catch (Exception e) {
              if(sample%2!=0)  
                sample--;
              else 
                sample-=2;
              if(sample<0) break;
              //Log.error(e);
            }
          }


          if (!Display.isCreated()) {
            alphaSupport = false;
            Display.destroy();
            try {
              if (SHARED_DRAWABLE == null) {
                Display.create();
              } else {
                Display.create(new PixelFormat(),SHARED_DRAWABLE);
              }
            } catch (Exception x) {
              Log.error(x);
            }
          }

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   * 
   * @throws SlickException Indicates a failure to create the shared drawable
   */
  public static void enableSharedContext() throws SlickException {
    try {
      SHARED_DRAWABLE = new Pbuffer(64, 64, new PixelFormat(8, 0, 0), null);
    } catch (LWJGLException e) {
      throw new SlickException("Unable to create the pbuffer used for shard context, buffers not supported", e);
    }
  }

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        try {
            if (_pbuffer != null) {
                giveBackContext();
                ContextManager.removeContext(_pbuffer);
            }
            final PixelFormat format = new PixelFormat(_settings.getAlphaBits(), _settings.getDepthBits(),
                    _settings.getStencilBits()).withSamples(_settings.getSamples())
                    .withBitsPerPixel(_settings.getColorDepth()).withStereo(_settings.isStereo());
            _pbuffer = new Pbuffer(_width, _height, format, _texture, null);
            final Object contextKey = _pbuffer;
            try {

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