Example usage for org.lwjgl.opengl EXTFramebufferObject glGenRenderbuffersEXT

Introduction

In this page you can find the example usage for org.lwjgl.opengl EXTFramebufferObject glGenRenderbuffersEXT.

Prototype

public static void glGenRenderbuffersEXT(@NativeType("GLuint *") int[] renderbuffers) 

Source Link

Document

Array version of: #glGenRenderbuffersEXT GenRenderbuffersEXT

Usage

From source file:com.ardor3d.framework.lwjgl.LwjglHeadlessCanvas.java

License:Open Source License

protected void init() {
    final int width = _settings.getWidth();
    final int height = _settings.getHeight();

    try {/*from  w ww .j a  va 2  s  . c o m*/
        // Create a Pbuffer so we can have a valid gl context to work with
        final PixelFormat format = new PixelFormat(_settings.getAlphaBits(), _settings.getDepthBits(),
                _settings.getStencilBits());
        _buff = new Pbuffer(1, 1, format, null);
        _buff.makeCurrent();
    } catch (final LWJGLException ex) {
        ex.printStackTrace();
    }

    // Set up our Ardor3D context and capabilities objects
    final LwjglContextCapabilities caps = new LwjglContextCapabilities(GLContext.getCapabilities());
    final RenderContext currentContext = new RenderContext(this, caps, null);

    if (!caps.isFBOSupported()) {
        throw new Ardor3dException("Headless requires FBO support.");
    }

    if (caps.isFBOMultisampleSupported() && caps.isFBOBlitSupported() && _settings.getSamples() > 0) {
        _useMSAA = true;
    }

    // Init our FBO.
    final IntBuffer buffer = BufferUtils.createIntBuffer(1);
    EXTFramebufferObject.glGenFramebuffersEXT(buffer); // generate id

    // Bind the FBO
    _fboID = buffer.get(0);
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _fboID);

    // initialize our color renderbuffer
    EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
    _colorRBID = buffer.get(0);
    EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _colorRBID);
    EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, GL11.GL_RGBA, width,
            height);

    // Attach color renderbuffer to framebuffer
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            _colorRBID);

    // initialize our depth renderbuffer
    EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
    _depthRBID = buffer.get(0);
    EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _depthRBID);
    EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            GL11.GL_DEPTH_COMPONENT, width, height);

    // Attach depth renderbuffer to framebuffer
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, _depthRBID);

    // Check FBO complete
    LwjglTextureRenderer.checkFBOComplete(_fboID);

    // Now do it all again for multisample, if requested and supported
    if (_useMSAA) {

        // Init our ms FBO.
        EXTFramebufferObject.glGenFramebuffersEXT(buffer); // generate id

        // Bind the ms FBO
        _msfboID = buffer.get(0);
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _msfboID);

        // initialize our ms color renderbuffer
        EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
        _mscolorRBID = buffer.get(0);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _mscolorRBID);
        EXTFramebufferMultisample.glRenderbufferStorageMultisampleEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _settings.getSamples(), GL11.GL_RGBA, width, height);

        // Attach ms color renderbuffer to ms framebuffer
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _mscolorRBID);

        // initialize our ms depth renderbuffer
        EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
        _msdepthRBID = buffer.get(0);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _msdepthRBID);
        EXTFramebufferMultisample.glRenderbufferStorageMultisampleEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _settings.getSamples(), GL11.GL_DEPTH_COMPONENT, width, height);

        // Attach ms depth renderbuffer to ms framebuffer
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _msdepthRBID);

        // Check MS FBO complete
        LwjglTextureRenderer.checkFBOComplete(_msfboID);

        // enable multisample
        GL11.glEnable(ARBMultisample.GL_MULTISAMPLE_ARB);
    }

    // Setup our data buffer for storing rendered image data.
    _data = ByteBuffer.allocateDirect(width * height * 4).order(ByteOrder.LITTLE_ENDIAN).asIntBuffer();

    // Add context to manager and set as active.
    ContextManager.addContext(this, currentContext);
    ContextManager.switchContext(this);

    // Setup a default bg color.
    _renderer.setBackgroundColor(ColorRGBA.BLACK);

    // Setup a default camera
    _camera = new Camera(width, _settings.getHeight());
    _camera.setFrustumPerspective(45.0f, (float) width / (float) _settings.getHeight(), 1, 1000);
    _camera.setProjectionMode(ProjectionMode.Perspective);

    // setup camera orientation and position.
    final Vector3 loc = new Vector3(0.0f, 0.0f, 0.0f);
    final Vector3 left = new Vector3(-1.0f, 0.0f, 0.0f);
    final Vector3 up = new Vector3(0.0f, 1.0f, 0.0f);
    final Vector3 dir = new Vector3(0.0f, 0f, -1.0f);
    _camera.setFrame(loc, left, up, dir);

    // release our FBO(s) until used.
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
}

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From source file:com.ardor3d.renderer.lwjgl.LwjglTextureRenderer.java

License:Open Source License

@Override
protected void activate() {
    // Lazy init/*from   w  w w.j  a  v  a  2  s . c  om*/
    if (_fboID == 0) {
        final IntBuffer buffer = BufferUtils.createIntBuffer(1);

        // Create our texture binding FBO
        EXTFramebufferObject.glGenFramebuffersEXT(buffer); // generate id
        _fboID = buffer.get(0);

        // Create a depth renderbuffer to use for RTT use
        EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
        _depthRBID = buffer.get(0);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _depthRBID);
        int format = GL11.GL_DEPTH_COMPONENT;
        if (_supportsDepthTexture && _depthBits > 0) {
            switch (_depthBits) {
            case 16:
                format = ARBDepthTexture.GL_DEPTH_COMPONENT16_ARB;
                break;
            case 24:
                format = ARBDepthTexture.GL_DEPTH_COMPONENT24_ARB;
                break;
            case 32:
                format = ARBDepthTexture.GL_DEPTH_COMPONENT32_ARB;
                break;
            default:
                // stick with the "undefined" GL_DEPTH_COMPONENT
            }
        }
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, format, _width,
                _height);

        // unbind...
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

        // If we support it, rustle up a multisample framebuffer + renderbuffers
        if (_samples != 0 && _supportsMultisample) {
            // create ms framebuffer object
            EXTFramebufferObject.glGenFramebuffersEXT(buffer);
            _msfboID = buffer.get(0);

            // create ms renderbuffers
            EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
            _mscolorRBID = buffer.get(0);
            EXTFramebufferObject.glGenRenderbuffersEXT(buffer); // generate id
            _msdepthRBID = buffer.get(0);

            // set up renderbuffer properties
            EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _mscolorRBID);
            EXTFramebufferMultisample.glRenderbufferStorageMultisampleEXT(
                    EXTFramebufferObject.GL_RENDERBUFFER_EXT, _samples, GL11.GL_RGBA, _width, _height);

            EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, _msdepthRBID);
            EXTFramebufferMultisample.glRenderbufferStorageMultisampleEXT(
                    EXTFramebufferObject.GL_RENDERBUFFER_EXT, _samples, format, _width, _height);

            EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);

            EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _msfboID);
            EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    _mscolorRBID);
            EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    _msdepthRBID);

            // check for errors
            checkFBOComplete(_msfboID);

            // release
            EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
        }

    }

    if (_active == 0) {

        final RenderContext context = ContextManager.getCurrentContext();
        final RendererRecord record = context.getRendererRecord();

        // needed as FBOs do not share this flag it seems
        record.setClippingTestValid(false);

        // push a delimiter onto the clip stack
        _neededClip = _parentRenderer.isClipTestEnabled();
        if (_neededClip) {
            _parentRenderer.pushEmptyClip();
        }

        GL11.glClearColor(_backgroundColor.getRed(), _backgroundColor.getGreen(), _backgroundColor.getBlue(),
                _backgroundColor.getAlpha());
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _fboID);
        ContextManager.getCurrentContext().pushEnforcedStates();
        ContextManager.getCurrentContext().clearEnforcedStates();
        ContextManager.getCurrentContext().enforceStates(_enforcedStates);
    }
    _active++;
}

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From source file:com.badlogic.gdx.backends.jglfw.JglfwGL20.java

License:Apache License

public void glGenRenderbuffers(int n, IntBuffer renderbuffers) {
    EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}

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From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static void glGenRenderbuffers(int n, IntBuffer renderbuffers) {
    EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}

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From source file:org.oscim.gdx.LwjglGL20.java

License:Apache License

public void genRenderbuffers(int n, IntBuffer renderbuffers) {
    EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}

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From source file:playn.java.JavaGL20.java

License:Apache License

@Override
public void glGenRenderbuffers(int n, IntBuffer renderbuffers) {
    EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}

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From source file:zildo.fwk.opengl.compatibility.FBOHardware.java

License:Open Source License

@Override
public int generateDepthBuffer() {
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    EXTFramebufferObject.glGenRenderbuffersEXT(buf); // Create Texture In
    // OpenGL/*from  w w  w  .j a v  a2  s .c om*/
    int depthID = buf.get(0);

    EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthID);
    EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            GL11.GL_DEPTH_COMPONENT, Utils.adjustTexSize(Zildo.viewPortX),
            Utils.adjustTexSize(Zildo.viewPortY));

    return depthID;
}

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