public void preFrame(float tpf) { if (filters.isEmpty() || lastFilterIndex == -1) { // If the camera is initialized and there are no filter to render, the camera viewport is // restored as it was if (cameraInit) { viewPort.getCamera().resize(originalWidth, originalHeight, true); viewPort.getCamera().setViewPort(left, right, bottom, top); viewPort.setOutputFrameBuffer(outputBuffer); cameraInit = false; } } else { if (renderFrameBufferMS != null) { viewPort.setOutputFrameBuffer(renderFrameBufferMS); } else { viewPort.setOutputFrameBuffer(renderFrameBuffer); } // init of the camera if it wasn't already if (!cameraInit) { viewPort.getCamera().resize(width, height, true); viewPort.getCamera().setViewPort(0, 1, 0, 1); } } for (Iterator<Filter> it = filters.iterator(); it.hasNext(); ) { Filter filter = it.next(); if (filter.isEnabled()) { filter.preFrame(tpf); } } }
public void cleanup() { if (viewPort != null) { // reseting the viewport camera viewport to its initial value viewPort.getCamera().resize(originalWidth, originalHeight, true); viewPort.getCamera().setViewPort(left, right, bottom, top); viewPort.setOutputFrameBuffer(outputBuffer); viewPort = null; for (Filter filter : filters) { filter.cleanup(renderer); } } }
public void reshape(ViewPort vp, int w, int h) { // this has no effect at first init but is useful when resizing the canvas with multi views Camera cam = vp.getCamera(); cam.setViewPort(left, right, bottom, top); // resizing the camera to fit the new viewport and saving original dimensions cam.resize(w, h, false); left = cam.getViewPortLeft(); right = cam.getViewPortRight(); top = cam.getViewPortTop(); bottom = cam.getViewPortBottom(); originalWidth = w; originalHeight = h; cam.setViewPort(0, 1, 0, 1); // computing real dimension of the viewport and resizing he camera width = (int) (w * (Math.abs(right - left))); height = (int) (h * (Math.abs(bottom - top))); width = Math.max(1, width); height = Math.max(1, height); cam.resize(width, height, false); cameraInit = true; computeDepth = false; if (renderFrameBuffer == null) { outputBuffer = viewPort.getOutputFrameBuffer(); } Collection<Caps> caps = renderer.getCaps(); // antialiasing on filters only supported in opengl 3 due to depth read problem if (numSamples > 1 && caps.contains(Caps.FrameBufferMultisample)) { renderFrameBufferMS = new FrameBuffer(width, height, numSamples); if (caps.contains(Caps.OpenGL31)) { Texture2D msColor = new Texture2D(width, height, numSamples, Format.RGBA8); Texture2D msDepth = new Texture2D(width, height, numSamples, Format.Depth); renderFrameBufferMS.setDepthTexture(msDepth); renderFrameBufferMS.setColorTexture(msColor); filterTexture = msColor; depthTexture = msDepth; } else { renderFrameBufferMS.setDepthBuffer(Format.Depth); renderFrameBufferMS.setColorBuffer(Format.RGBA8); } } if (numSamples <= 1 || !caps.contains(Caps.OpenGL31)) { renderFrameBuffer = new FrameBuffer(width, height, 1); renderFrameBuffer.setDepthBuffer(Format.Depth); filterTexture = new Texture2D(width, height, Format.RGBA8); renderFrameBuffer.setColorTexture(filterTexture); } for (Iterator<Filter> it = filters.iterator(); it.hasNext(); ) { Filter filter = it.next(); initFilter(filter, vp); } if (renderFrameBufferMS != null) { viewPort.setOutputFrameBuffer(renderFrameBufferMS); } else { viewPort.setOutputFrameBuffer(renderFrameBuffer); } }