Examples of Framebuffer

aspect.render.FrameBuffer
@author MillerV
com.badlogic.gdx.graphics.glutils.FrameBuffer

Encapsulates OpenGL ES 2.0 frame buffer objects. This is a simple helper class which should cover most FBO uses. It will automatically create a texture for the color attachment and a renderbuffer for the depth buffer. You can get a hold of the texture by {@link FrameBuffer#getColorBufferTexture()}. This class will only work with OpenGL ES 2.0.

FrameBuffers are managed. In case of an OpenGL context loss, which only happens on Android when a user switches to another application or receives an incoming call, the framebuffer will be automatically recreated.

A FrameBuffer must be disposed if it is no longer needed
@author mzechner
com.jme3.texture.FrameBuffer

FrameBuffers are rendering surfaces allowing off-screen rendering and render-to-texture functionality. Instead of the scene rendering to the screen, it is rendered into the FrameBuffer, the result can be either a texture or a buffer.
A FrameBuffer supports two methods of rendering, using a {@link Texture} or using a buffer. When using a texture, the result of the rendering will be rendered onto the texture, after which the texture can be placed on an object and rendered as if the texture was uploaded from disk. When using a buffer, the result is rendered onto a buffer located on the GPU, the data of this buffer is not accessible to the user. buffers are useful if one wishes to retrieve only the color content of the scene, but still desires depth testing (which requires a depth buffer). Buffers can be copied to other framebuffers including the main screen, by using {@link Renderer#copyFrameBuffer(com.jme3.texture.FrameBuffer,com.jme3.texture.FrameBuffer) }. The content of a {@link RenderBuffer} can be retrieved by using {@link Renderer#readFrameBuffer(com.jme3.texture.FrameBuffer,java.nio.ByteBuffer) }.
FrameBuffers have several attachment points, there are several color attachment points and a single depth attachment point. The color attachment points support image formats such as {@link Format#RGBA8}, allowing rendering the color content of the scene. The depth attachment point requires a depth image format. @see Renderer#setFrameBuffer(com.jme3.texture.FrameBuffer) @author Kirill Vainer
com.threed.jpct.FrameBuffer
mdesl.graphics.glutils.FrameBuffer
A very thin wrapper around OpenGL Frame Buffer Objects, intended for 2D purposes. This uses GL_FRAMEBUFFER_EXT for GL 2.1 compatibility. @author davedes
sprites.base.ogl.Framebuffer

Examples of mdesl.graphics.glutils.FrameBuffer

      int width = track.getWidth();
      int height = track.getHeight();
      
      //create a new FBO with the width and height of our track
      if (Texture.isNPOTSupported()) {
        fbo = new FrameBuffer(width, height);
        fboRegion = new TextureRegion(fbo.getTexture());
      } else {
        int texWidth = Texture.toPowerOfTwo(width);
        int texHeight = Texture.toPowerOfTwo(height);
        fbo = new FrameBuffer(texWidth, texHeight);
        fboRegion = new TextureRegion(fbo.getTexture(), 0, texHeight-height, width, height);
      }
      fboRegion.flip(false, true);
      //GL uses lower left coords... we use upper-left for textures, so we need to flip Y

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Examples of mdesl.graphics.glutils.FrameBuffer

    Display.setResizable(false);
    
    //load our shader program and sprite batch
    try {
      //create our FBOs
      blurTargetA = new FrameBuffer(FBO_SIZE, FBO_SIZE, Texture.LINEAR);
      blurTargetB = new FrameBuffer(FBO_SIZE, FBO_SIZE, Texture.LINEAR);
      
      //our basic pass-through vertex shader
      final String VERT = Util.readFile(Util.getResourceAsStream("res/shadertut/lesson5.vert"));


      //our fragment shader, which does the blur in one direction at a time

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Examples of sprites.base.ogl.Framebuffer

    this.gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    
    this.gl.glBindTexture(GL_TEXTURE_2D, 0);
    this.gl.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    
    return new Framebuffer(fb, texture);
  }

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