Example usage for org.lwjgl.opengl GL30 glBindFramebuffer

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL30 glBindFramebuffer.

Prototype

public static void glBindFramebuffer(@NativeType("GLenum") int target, @NativeType("GLuint") int framebuffer) 

Source Link

Document

Binds a framebuffer to a framebuffer target.

Usage

From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public void blitFBO(int srcFboId, int dstFboId, int srcX0, int srcY0, int srcX1, int srcY1, int dstX0,
        int dstY0, int dstX1, int dstY1) {
    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, srcFboId);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, dstFboId);
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, GL11.GL_COLOR_BUFFER_BIT,
            GL11.GL_NEAREST);/*from   w  ww  .java2  s.c o  m*/
}

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From source file:cuchaz.jfxgl.prism.OffscreenBuffer.java

License:Open Source License

public boolean resize(int width, int height) {

    if (this.width == width && this.height == height) {
        return false;
    }//from  www . ja va  2s  .co  m

    this.width = width;
    this.height = height;

    // resize the texture
    if (texId != 0) {
        context.deleteTexture(texId);
    }
    texId = context.createTexture(width, height);

    // update the framebuf
    if (fboId == 0) {
        fboId = GL30.glGenFramebuffers();
    }
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fboId);
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, texId, 0);

    // remove the old quad
    quadDirty = true;

    return true;
}

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From source file:de.ikosa.mars.viewer.glviewer.engine.GLRenderer2Stage.java

License:Open Source License

public GLRenderer2Stage(GLScene scene, GLResources resourceManager, GLCamera camera, int width, int height) {
    this.scene = scene;
    this.camera = camera;
    this.width = width;
    this.height = height;

    // setup opengl
    GL11.glViewport(0, 0, width, height);

    // setup framebuffer
    fbAId = GL30.glGenFramebuffers();/*w  ww .  j ava 2 s  . c o m*/
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbAId);

    // color buffer
    fbATexId = GLTextureBuilder.createEmptyTexture("FB", width, height, (byte) 0, (byte) 0, (byte) 0, (byte) 0)
            .getTextureId();
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, fbATexId,
            0);

    // create depth buffer
    dbATexId = GLTextureBuilder.createEmptyTexture("DB", width, height, 0.0f).getTextureId();
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL11.GL_TEXTURE_2D, dbATexId, 0);

    int status = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);

    if (status != GL30.GL_FRAMEBUFFER_COMPLETE) {
        ML.f(String.format("Cannot set up framebuffer: %x", status));
    }

    // setup framebuffer B
    fbBId = GL30.glGenFramebuffers();
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbBId);

    // color buffer
    fbBTexId = GLTextureBuilder.createEmptyTexture("FB", width, height, (byte) 0, (byte) 0, (byte) 0, (byte) 0)
            .getTextureId();
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, fbBTexId,
            0);

    status = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);

    if (status != GL30.GL_FRAMEBUFFER_COMPLETE) {
        ML.f(String.format("Cannot set up framebuffer: %x", status));
    }

    ssqScene = new GLSSQScene(resourceManager, resourceManager.getShader("post"), new GLTexture("FB", fbATexId),
            new GLTexture("DB", dbATexId), resourceManager.getShader("post2"), new GLTexture("FB2", fbBTexId));
}

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From source file:de.ikosa.mars.viewer.glviewer.engine.GLRenderer2Stage.java

License:Open Source License

public void Draw() {
    // forward pass
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbAId);
    GL20.glDrawBuffers(GL30.GL_COLOR_ATTACHMENT0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    scene.Pass(GLScene.PassType.Forward, camera);

    // post pass//www .  j a  v  a  2s.  c  om
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbBId);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    ssqScene.Pass(GLScene.PassType.PostProcess);

    // post B pass
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    ssqScene.Pass(GLScene.PassType.PostProcess2);

}

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From source file:eu.over9000.veya.rendering.Shadow.java

License:Open Source License

public void init() {
    depthMap = GL11.glGenTextures();/*from   ww  w  . java  2 s  .co  m*/
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthMap);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_DEPTH_COMPONENT, SHADOW_WIDTH, SHADOW_HEIGHT, 0,
            GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, (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);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL13.GL_CLAMP_TO_BORDER);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL13.GL_CLAMP_TO_BORDER);

    shadowFBO = GL30.glGenFramebuffers();
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, shadowFBO);
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL11.GL_TEXTURE_2D, depthMap, 0);
    GL11.glDrawBuffer(GL11.GL_NONE);
    GL11.glReadBuffer(GL11.GL_NONE);
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
}

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From source file:eu.over9000.veya.rendering.Shadow.java

License:Open Source License

public void preRender() {
    Veya.program_shadow.use(true);//from  ww w.  j  av  a  2  s .c o m
    updateMatrixLightSpaceMatrixLocation();
    GL11.glViewport(0, 0, SHADOW_WIDTH, SHADOW_HEIGHT);
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, shadowFBO);
    GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
    GL11.glCullFace(GL11.GL_FRONT);

}

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From source file:eu.over9000.veya.rendering.Shadow.java

License:Open Source License

public void postRender() {
    GL11.glCullFace(GL11.GL_BACK); // don't forget to reset original culling face
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    Veya.program_normal.use(true);/*w  w w.  jav  a2  s .c o  m*/
    GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());

    GL13.glActiveTexture(GL13.GL_TEXTURE1);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthMap);
}

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From source file:fr.ign.cogit.geoxygene.appli.render.LwjglLayerRenderer.java

License:Open Source License

/**
 * Draw the Rendered FBO into the Ping Pong FBO
 * /*  ww  w . java  2 s .c  o  m*/
 * @throws GLException
 */
private void drawInPingPongFBO() throws GLException {
    if (this.current_symbolizer == null) {
        logger.error("The current symbolizer is NULL");
        return;
    }
    // Get the blending mode of this symbolizer and the filter of the
    // current Layer.
    BlendingMode bmode = this.current_symbolizer.getBlendingMode();
    if (bmode == null) {
        bmode = GeoxygeneConstants.GL_VarName_DefaultBlendingMode;
    }

    LayerFilter layerfilter = ((AbstractLayer) this.getLayer()).getFilter();
    if (layerfilter == null)
        layerfilter = new LayerFilterIdentity();
    String program_name = "GLProgram-"
            + (bmode.toString() + "-" + layerfilter.getClass().getSimpleName()).toLowerCase();
    GLProgram p = GLContext.getActiveGlContext().getProgram(program_name);
    if (p == null) {
        GLProgramBuilder builder = new GLProgramBuilder();
        builder.addDelegateBuilder(new BlendingModeGLProgramBuilder(bmode, layerfilter));
        p = builder.build(program_name, null);
        if (p == null) {
            logger.warn("Failed to create the blending program " + bmode);
            logger.warn("Fallback to the default blending program "
                    + GeoxygeneConstants.GL_VarName_DefaultBlendingMode);
            bmode = GeoxygeneConstants.GL_VarName_DefaultBlendingMode;
            p = builder.build("GLProgram-"
                    + (bmode.toString() + "-" + LayerFilterIdentity.class.getSimpleName()).toLowerCase(), null);
        }
        if (p == null) {
            logger.fatal("Failed to create the blending program " + bmode + ". Exiting the rendering.");
            return;
        }
        GLContext.getActiveGlContext().addProgram(p);
    }
    GLContext.getActiveGlContext().setCurrentProgram(p);
    this.getLayerViewPanel().getGLCanvas().drawInPingPong(p);

    GL30.glBindVertexArray(LayerViewGLPanel.getScreenQuad().getVaoId());

    p.setUniform(GeoxygeneConstants.GL_VarName_ObjectOpacityVarName, 1f);
    p.setUniform(GeoxygeneConstants.GL_VarName_GlobalOpacityVarName, 1f);
    GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);

    GLTools.glCheckError("before FBO drawing textured quad");
    LwjglLayerRenderer.drawComplex(LayerViewGLPanel.getScreenQuad());
    GLTools.glCheckError("FBO drawing textured quad");
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    GL30.glBindVertexArray(0); // unbind VAO
    GLTools.glCheckError("exiting FBO rendering");
    glBindTexture(GL_TEXTURE_2D, 0); // unbind texture
}

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From source file:fr.ign.cogit.geoxygene.appli.render.LwjglLayerRenderer.java

License:Open Source License

/**
 * Initialize layer FBO to receive GL primitives from a set of identical
 * symbolizers//from w ww. j  a  v  a2s .  co  m
 * 
 * @param primitive
 * @param opacity
 * @param currentSymbolizer
 * @throws GLException
 */
private void clearFBOLayer() throws GLException {
    GLTools.glCheckError("preparing next FBO Layer");
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, this.getLayerViewPanel().getGLCanvas().getFboId());
    GL11.glDrawBuffer(GL30.GL_COLOR_ATTACHMENT0);

    GLTools.glCheckError("bind frame buffer");

    // Blending mode in FBO drawing.
    GLTools.glCheckError("finalizing FBO initialization");
    GL11.glClearColor(0f, 0f, 0f, 0f);
    GLTools.glCheckError("finalizing FBO initialization");
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    GLTools.glCheckError("finalizing FBO initialization");
    glEnable(GL11.GL_BLEND);
    GLTools.glCheckError("finalizing FBO initialization");
    GL20.glBlendEquationSeparate(GL14.GL_FUNC_ADD, GL14.GL_MAX);
    GLTools.glCheckError("finalizing FBO initialization");
    GL14.glBlendFuncSeparate(GL11.GL_ONE, GL11.GL_ZERO, GL11.GL_ZERO, GL11.GL_ZERO);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, 0);
    GLTools.glCheckError("finalizing FBO initialization");
}

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From source file:ion2d.INGrabber.java

License:Open Source License

/**
 * Grabs an image of the display and attachs it to the specified texture
 * @param INTexture2D texture/*from   w  w  w .  j  a v  a  2  s .c o  m*/
 * @throws Exception
 */
public void grab(INTexture2D texture) throws Exception {
    GL11.glGetInteger(GL30.GL_FRAMEBUFFER_BINDING, this.oldBufferObject);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, this.bufferObject.get(0));

    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D,
            texture.getId(), 0);

    int status = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);

    if (status != GL30.GL_FRAMEBUFFER_COMPLETE) {
        throw new Exception("Frame Grabber could not attach texture to framebuffer");
    }

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, this.oldBufferObject.get(0));
}

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