Example usage for org.lwjgl.opengl EXTFramebufferObject glFramebufferRenderbufferEXT

Introduction

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

Prototype

public static native void glFramebufferRenderbufferEXT(@NativeType("GLenum") int target,
            @NativeType("GLenum") int attachment, @NativeType("GLenum") int renderbuffertarget,
            @NativeType("GLuint") int renderbuffer);

Source Link

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   ww  w.  j  a  v a 2  s .  c  om*/
        // 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);
}

---

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

License:Open Source License

private void render(final List<? extends Spatial> toDrawA, final Spatial toDrawB, final Scene toDrawC,
        final List<Texture> texs, final int clear) {

    final int maxDrawBuffers = ContextManager.getCurrentContext().getCapabilities().getMaxFBOColorAttachments();

    // if we only support 1 draw buffer at a time anyway, we'll have to render to each texture individually...
    if (maxDrawBuffers == 1 || texs.size() == 1) {
        try {//from   w w w . j  a  v  a  2s.  c  om
            ContextManager.getCurrentContext().pushFBOTextureRenderer(this);

            for (int i = 0; i < texs.size(); i++) {
                final Texture tex = texs.get(i);

                setupForSingleTexDraw(tex);

                if (_samples > 0 && _supportsMultisample) {
                    setMSFBO();
                }

                switchCameraIn(clear);
                if (toDrawA != null) {
                    doDraw(toDrawA);
                } else if (toDrawB != null) {
                    doDraw(toDrawB);
                } else {
                    doDraw(toDrawC);
                }
                switchCameraOut();

                if (_samples > 0 && _supportsMultisample) {
                    blitMSFBO();
                }

                takedownForSingleTexDraw(tex);
            }
        } finally {
            ContextManager.getCurrentContext().popFBOTextureRenderer();
        }
        return;
    }
    try {
        ContextManager.getCurrentContext().pushFBOTextureRenderer(this);

        // Otherwise, we can streamline this by rendering to multiple textures at once.
        // first determine how many groups we need
        final LinkedList<Texture> depths = new LinkedList<Texture>();
        final LinkedList<Texture> colors = new LinkedList<Texture>();
        for (int i = 0; i < texs.size(); i++) {
            final Texture tex = texs.get(i);
            if (tex.getTextureStoreFormat().isDepthFormat()) {
                depths.add(tex);
            } else {
                colors.add(tex);
            }
        }
        // we can only render to 1 depth texture at a time, so # groups is at minimum == numDepth
        final int groups = Math.max(depths.size(), (int) Math.ceil(colors.size() / (float) maxDrawBuffers));

        final RenderContext context = ContextManager.getCurrentContext();
        for (int i = 0; i < groups; i++) {
            // First handle colors
            int colorsAdded = 0;
            while (colorsAdded < maxDrawBuffers && !colors.isEmpty()) {
                final Texture tex = colors.removeFirst();
                if (tex.getType() == Type.TwoDimensional) {
                    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT + colorsAdded, GL11.GL_TEXTURE_2D,
                            tex.getTextureIdForContext(context.getGlContextRep()), 0);
                } else if (tex.getType() == Type.CubeMap) {
                    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT + colorsAdded,
                            LwjglTextureStateUtil.getGLCubeMapFace(((TextureCubeMap) tex).getCurrentRTTFace()),
                            tex.getTextureIdForContext(context.getGlContextRep()), 0);
                } else {
                    throw new IllegalArgumentException("Invalid texture type: " + tex.getType());
                }
                colorsAdded++;
            }

            // Now take care of depth.
            if (!depths.isEmpty()) {
                final Texture tex = depths.removeFirst();
                // Set up our depth texture
                if (tex.getType() == Type.TwoDimensional) {
                    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                            EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D,
                            tex.getTextureIdForContext(context.getGlContextRep()), 0);
                } else if (tex.getType() == Type.CubeMap) {
                    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                            EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT,
                            LwjglTextureStateUtil.getGLCubeMapFace(((TextureCubeMap) tex).getCurrentRTTFace()),
                            tex.getTextureIdForContext(context.getGlContextRep()), 0);
                } else {
                    throw new IllegalArgumentException("Invalid texture type: " + tex.getType());
                }
                _usingDepthRB = false;
            } else if (!_usingDepthRB) {
                // setup our default depth render buffer if not already set
                EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                        EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                        _depthRBID);
                _usingDepthRB = true;
            }

            setDrawBuffers(colorsAdded);
            setReadBuffer(colorsAdded != 0 ? EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT : GL11.GL_NONE);

            // Check FBO complete
            checkFBOComplete(_fboID);

            switchCameraIn(clear);

            if (toDrawA != null) {
                doDraw(toDrawA);
            } else {
                doDraw(toDrawB);
            }

            switchCameraOut();
        }

        // automatically generate mipmaps for our textures.
        for (int x = 0, max = texs.size(); x < max; x++) {
            if (texs.get(x).getMinificationFilter().usesMipMapLevels()) {
                final Texture tex = texs.get(x);
                if (tex.getMinificationFilter().usesMipMapLevels()) {
                    LwjglTextureStateUtil.doTextureBind(texs.get(x), 0, true);
                    EXTFramebufferObject.glGenerateMipmapEXT(LwjglTextureStateUtil.getGLType(tex.getType()));
                }
            }
        }

    } finally {
        ContextManager.getCurrentContext().popFBOTextureRenderer();
    }
}

---

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

License:Open Source License

@Override
protected void setupForSingleTexDraw(final Texture tex) {
    final RenderContext context = ContextManager.getCurrentContext();
    final int textureId = tex.getTextureIdForContext(context.getGlContextRep());

    if (tex.getTextureStoreFormat().isDepthFormat()) {
        // No color buffer
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);

        // Setup depth texture into FBO
        if (tex.getType() == Type.TwoDimensional) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, textureId, 0);
        } else if (tex.getType() == Type.CubeMap) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT,
                    LwjglTextureStateUtil.getGLCubeMapFace(((TextureCubeMap) tex).getCurrentRTTFace()),
                    textureId, 0);/* w ww  .  ja  va  2s .  c o m*/
        } else {
            throw new IllegalArgumentException("Can not render to texture of type: " + tex.getType());
        }

        setDrawBuffer(GL11.GL_NONE);
        setReadBuffer(GL11.GL_NONE);
    } else {
        // Set color texture into FBO
        if (tex.getType() == Type.TwoDimensional) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, textureId, 0);
        } else if (tex.getType() == Type.CubeMap) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT,
                    LwjglTextureStateUtil.getGLCubeMapFace(((TextureCubeMap) tex).getCurrentRTTFace()),
                    textureId, 0);
        } else {
            throw new IllegalArgumentException("Can not render to texture of type: " + tex.getType());
        }

        // setup depth RB
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRBID);

        setDrawBuffer(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
        setReadBuffer(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    }

    // Check FBO complete
    checkFBOComplete(_fboID);
}

---

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  o  m
    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++;
}

---

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

License:Apache License

public void glFramebufferRenderbuffer(int target, int attachment, int renderbuffertarget, int renderbuffer) {
    EXTFramebufferObject.glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget, renderbuffer);
}

---

From source file:com.flowpowered.caustic.lwjgl.gl20.GL20FrameBuffer.java

License:MIT License

@Override
public void attach(AttachmentPoint point, RenderBuffer buffer) {
    checkCreated();/*  w w w.j a va  2s .  c o  m*/
    CausticUtil.checkVersion(this, buffer);
    buffer.checkCreated();
    // Bind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, id);
    // Attach the render buffer
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            point.getGLConstant(), EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.getID());
    // Add it to the color outputs if it's a color type
    if (point.isColor()) {
        outputBuffers.add(point.getGLConstant());
    }
    // Update the list of output buffers
    updateOutputBuffers();
    // Unbind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

---

From source file:com.flowpowered.caustic.lwjgl.gl20.GL20FrameBuffer.java

License:MIT License

@Override
public void detach(AttachmentPoint point) {
    checkCreated();/*from  w w w  .  j  a  v a 2 s  . c  o  m*/
    // Bind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, id);
    // Detach the render buffer or texture
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            point.getGLConstant(), EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
    // Remove it from the color outputs if it's a color type
    if (point.isColor()) {
        outputBuffers.remove(point.getGLConstant());
    }
    // Update the list of output buffers
    updateOutputBuffers();
    // Unbind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

---

From source file:com.mtbs3d.minecrift.FBOParams.java

License:LGPL

public FBOParams(String fboName, int textureType, int internalFormat, int baseFormat, int bufferType,
        int fboWidth, int fboHeight) throws Exception {
    Minecraft mc = Minecraft.getMinecraft();
    _textureType = textureType;//  w  ww.  j  a  v a  2  s . c  o  m

    if (fboSupport == FBO_SUPPORT.USE_EXT_UNKNOWN) {
        // The framebuffer, which regroups 0, 1, or more textures, and 0 or 1 depth buffer.
        try {
            _frameBufferId = GL30.glGenFramebuffers();
            fboSupport = FBO_SUPPORT.USE_GL30;
        } catch (IllegalStateException ex) {
            System.out.println(
                    "[Minecrift] FBO creation: GL30.glGenFramebuffers not supported. Attempting to use EXTFramebufferObject.glGenFramebuffersEXT");
            fboSupport = FBO_SUPPORT.USE_EXT;

            try {
                _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
            } catch (IllegalStateException ex1) {
                System.out.println(
                        "[Minecrift] FBO creation: EXTFramebufferObject.glGenFramebuffersEXT not supported, FBO creation failed.");
                throw ex1;
            }
        }
    } else if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _frameBufferId = GL30.glGenFramebuffers();
    } else {
        _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
    }

    if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = GL30.glGenRenderbuffers();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, _frameBufferId);
        checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);

        System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, textureType,
                _colorTextureId, 0);

        checkGLError("FBO bind texture framebuffer");

        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, _depthRenderBufferId); // bind the depth renderbuffer
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                _depthRenderBufferId);
        checkGLError("FBO bind depth framebuffer");
    } else {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = EXTFramebufferObject.glGenRenderbuffersEXT();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _frameBufferId);
        checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);
        System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, textureType, _colorTextureId, 0);

        checkGLError("FBO bind texture framebuffer");

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId); // bind the depth renderbuffer
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId);
        checkGLError("FBO bind depth framebuffer");
    }

    if (!checkFramebufferStatus()) {
        // OK, if we have an error here - then throw an exception
        System.out.println("[Minecrift] FAILED to create framebuffer!!");
        throw new Exception("Failed to create framebuffer");
    }
}

---

From source file:com.mtbs3d.minecrift.render.FBOParams.java

License:LGPL

public FBOParams(String fboName, int textureType, int internalFormat, int baseFormat, int bufferType,
        int fboWidth, int fboHeight) throws Exception {
    Minecraft mc = Minecraft.getMinecraft();
    _textureType = textureType;//w  ww.j av  a2s  .  com

    if (fboSupport == FBO_SUPPORT.USE_EXT_UNKNOWN) {
        // The framebuffer, which regroups 0, 1, or more textures, and 0 or 1 depth buffer.
        try {
            _frameBufferId = GL30.glGenFramebuffers();
            fboSupport = FBO_SUPPORT.USE_GL30;
        } catch (IllegalStateException ex) {
            System.out.println(
                    "[Minecrift] FBO creation: GL30.glGenFramebuffers not supported. Attempting to use EXTFramebufferObject.glGenFramebuffersEXT");
            fboSupport = FBO_SUPPORT.USE_EXT;

            try {
                _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
            } catch (IllegalStateException ex1) {
                System.out.println(
                        "[Minecrift] FBO creation: EXTFramebufferObject.glGenFramebuffersEXT not supported, FBO creation failed.");
                throw ex1;
            }
        }
    } else if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _frameBufferId = GL30.glGenFramebuffers();
    } else {
        _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
    }

    if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = GL30.glGenRenderbuffers();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, _frameBufferId);
        mc.checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        mc.checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);

        //System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, textureType,
                _colorTextureId, 0);

        mc.checkGLError("FBO bind texture framebuffer");

        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, _depthRenderBufferId); // bind the depth renderbuffer
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                _depthRenderBufferId);
        mc.checkGLError("FBO bind depth framebuffer");
    } else {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = EXTFramebufferObject.glGenRenderbuffersEXT();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _frameBufferId);
        mc.checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        mc.checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);
        //System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, textureType, _colorTextureId, 0);

        mc.checkGLError("FBO bind texture framebuffer");

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId); // bind the depth renderbuffer
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId);
        mc.checkGLError("FBO bind depth framebuffer");
    }

    if (!checkFramebufferStatus()) {
        // OK, if we have an error here - then throw an exception
        System.out.println("[Minecrift] FAILED to create framebuffer!!");
        throw new Exception("Failed to create framebuffer");
    }
}

---

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

License:Apache License

public static void glFramebufferRenderbuffer(int target, int attachment, int renderbuffertarget,
        int renderbuffer) {
    EXTFramebufferObject.glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget, renderbuffer);
}

---

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