List of usage examples for org.lwjgl.opengl EXTFramebufferObject glBindRenderbufferEXT
public static native void glBindRenderbufferEXT(@NativeType("GLenum") int target, @NativeType("GLuint") int renderbuffer);
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 w w . j ava2s . 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); }
From source file:com.ardor3d.renderer.lwjgl.LwjglTextureRenderer.java
License:Open Source License
@Override protected void activate() { // Lazy init// w w w .ja va2 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 glBindRenderbuffer(int target, int renderbuffer) { EXTFramebufferObject.glBindRenderbufferEXT(target, renderbuffer); }
From source file:com.flowpowered.caustic.lwjgl.gl20.GL20RenderBuffer.java
License:MIT License
@Override public void setStorage(InternalFormat format, int width, int height) { checkCreated();//from www . j ava2 s.c o m if (format == null) { throw new IllegalArgumentException("Format cannot be null"); } if (width <= 0) { throw new IllegalArgumentException("Width must be greater than zero"); } if (height <= 0) { throw new IllegalArgumentException("Height must be greater than zero"); } this.format = format; this.width = width; this.height = height; // Bind the render buffer EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, id); // Set the storage format and size EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, format.getGLConstant(), width, height); // Unbind the render buffer EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0); // Check for errors LWJGLUtil.checkForGLError(); }
From source file:com.flowpowered.caustic.lwjgl.gl20.GL20RenderBuffer.java
License:MIT License
@Override public void bind() { checkCreated();/*w w w. j a v a2 s . c o m*/ // Unbind the render buffer EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, id); // Check for errors LWJGLUtil.checkForGLError(); }
From source file:com.flowpowered.caustic.lwjgl.gl20.GL20RenderBuffer.java
License:MIT License
@Override public void unbind() { checkCreated();//from w ww. j a v a 2s . com // Bind the render buffer EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_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 w w. java 2 s .co 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;//from www. j a v a2 s . 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 glBindRenderbuffer(int target, int renderbuffer) { EXTFramebufferObject.glBindRenderbufferEXT(target, renderbuffer); }
From source file:itdelatrisu.opsu.render.Rendertarget.java
License:Open Source License
/** * Creates a Rendertarget with a Texture that it renders the color buffer in * and a renderbuffer that it renders the depth to. * @param width the width/* w w w .ja v a 2s . c om*/ * @param height the height */ public static Rendertarget createRTTFramebuffer(int width, int height) { int old_framebuffer = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT); int old_texture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D); Rendertarget buffer = new Rendertarget(width, height); buffer.bind(); int fboTexture = buffer.textureID; GL11.glBindTexture(GL11.GL_TEXTURE_2D, fboTexture); GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, 4, width, height, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_INT, (ByteBuffer) null); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST); EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID); EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, GL11.GL_DEPTH_COMPONENT, width, height); EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID); EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fboTexture, 0); GL11.glBindTexture(GL11.GL_TEXTURE_2D, old_texture); EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, old_framebuffer); return buffer; }