Example usage for org.lwjgl.opengl GL11 glViewport

List of usage examples for org.lwjgl.opengl GL11 glViewport

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glViewport.

Prototype

public static void glViewport(@NativeType("GLint") int x, @NativeType("GLint") int y,
        @NativeType("GLsizei") int w, @NativeType("GLsizei") int h)

Source Link

Document

Specifies the viewport transformation parameters for all viewports.

Usage

From source file:org.jogamp.glg2d.GLG2DSimpleEventListener.java

License:Apache License

/**
 * Defines the viewport to paint into.
 */
protected void setupViewport() {
    GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());
}

From source file:org.jtrfp.mtmx.Engine.java

License:Open Source License

public void start(String title, boolean chooseDisplayMode) throws EngineException {
    try {//  www .  ja  v a  2 s. com
        if (chooseDisplayMode) {
            setupDisplay();
        } else {
            Display.setDisplayMode(new DisplayMode(640, 480));
        }
        Display.setTitle(title);
        Display.create();

        getLogger().log(Level.INFO, "GL_VENDOR: " + GL11.glGetString(GL11.GL_VENDOR));
        getLogger().log(Level.INFO, "GL_RENDERER: " + GL11.glGetString(GL11.GL_RENDERER));
        getLogger().log(Level.INFO, "GL_VERSION: " + GL11.glGetString(GL11.GL_VERSION));

        engineConfiguration.init(this);

        engineConfiguration.initResources();

        Keyboard.create();
        Keyboard.enableRepeatEvents(false);
        engineConfiguration.initKeyboard();

        engineConfiguration.initLight();

        DisplayMode displayMode = getDisplayMode();
        GL11.glViewport(0, 0, displayMode.getWidth(), displayMode.getHeight());
        engineConfiguration.initView();

        loop();

        destroy();
    } catch (LWJGLException e) {
        destroy();
        throw new EngineException("Failed to create display.", e);
    }
}

From source file:org.lwjgl.info.LWJGLTestView.java

License:Open Source License

/** 
 * {@inheritDoc}/*from   www . java 2  s.  co m*/
 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
 */
@Override
public void createPartControl(Composite parent) {

    String strVersion = getFeatureVersion("org.lwjgl");
    this.setPartName("org.lwjgl " + strVersion);

    IStatusLineManager statusLine = this.getViewSite().getActionBars().getStatusLineManager();

    fpsstatuslineitem = new FpsStatusLineItem();
    statusLine.add(fpsstatuslineitem);

    GLData data = new GLData();
    data.doubleBuffer = true;
    canvas = new GLCanvas(parent, SWT.NONE, data);

    canvas.setCurrent();
    try {
        GLContext.useContext(canvas);
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    canvas.addListener(SWT.Resize, new Listener() {
        public void handleEvent(Event event) {
            Rectangle bounds = canvas.getBounds();
            float fAspect = (float) bounds.width / (float) bounds.height;
            canvas.setCurrent();
            try {
                GLContext.useContext(canvas);
            } catch (LWJGLException e) {
                e.printStackTrace();
            }
            GL11.glViewport(0, 0, bounds.width, bounds.height);
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
        }
    });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    Display.getCurrent().asyncExec(initRunnable());

}

From source file:org.ode4j.drawstuff.internal.DrawStuffGL.java

License:Open Source License

@Override
//   void dsDrawFrame (int width, int height, dsFunctions *fn, int pause)
void dsDrawFrame(int width, int height, dsFunctions fn, boolean pause) {
    if (current_state < 1)
        dsDebug("internal error");
    current_state = 2;/*from w ww  .jav a  2  s  .co m*/

    // setup stuff
    GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glEnable(GL11.GL_LIGHT0);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_TEXTURE_GEN_S);
    GL11.glDisable(GL11.GL_TEXTURE_GEN_T);
    GL11.glShadeModel(GL11.GL_FLAT);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthFunc(GL11.GL_LESS);
    GL11.glEnable(GL11.GL_CULL_FACE);
    GL11.glCullFace(GL11.GL_BACK);
    GL11.glFrontFace(GL11.GL_CCW);

    // setup viewport
    GL11.glViewport(0, 0, width, height);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    final float vnear = 0.1f;
    final float vfar = 100.0f;
    final float k = 0.8f; // view scale, 1 = +/- 45 degrees
    if (width >= height) {
        float k2 = (float) height / (float) width;
        GL11.glFrustum(-vnear * k, vnear * k, -vnear * k * k2, vnear * k * k2, vnear, vfar);
    } else {
        float k2 = (float) width / (float) height;
        GL11.glFrustum(-vnear * k * k2, vnear * k * k2, -vnear * k, vnear * k, vnear, vfar);
    }

    // setup lights. it makes a difference whether this is done in the
    // GL_PROJECTION matrix mode (lights are scene relative) or the
    // GL_MODELVIEW matrix mode (lights are camera relative, bad!).
    //      static GLfloat light_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
    //      static GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
    //      static GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_AMBIENT, light_ambient);
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_DIFFUSE, light_diffuse);
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_SPECULAR, light_specular);
    GL11.glColor3f(1.0f, 1.0f, 1.0f);

    // clear the window
    GL11.glClearColor(0.5f, 0.5f, 0.5f, 0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    // snapshot camera position (in MS Windows it is changed by the GUI thread)
    float[] view2_xyz = view_xyz.clone();
    float[] view2_rxyz = view_rxyz.clone();
    //      memcpy (view2_xyz,view_xyz);//,sizeof(float)*3);
    //      memcpy (view2_hpr,view_hpr);//,sizeof(float)*3);

    // go to GL_MODELVIEW matrix mode and set the camera
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    setCamera(view2_xyz[0], view2_xyz[1], view2_xyz[2], view2_rxyz[0], view2_rxyz[1], view2_rxyz[2]);

    // set the light position (for some reason we have to do this in model view.
    //      static GLfloat light_position[] = { LIGHTX, LIGHTY, 1.0, 0.0 };
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_POSITION, light_position);

    // draw the background (ground, sky etc)
    drawSky(view2_xyz);
    drawGround();

    // draw the little markers on the ground
    drawPyramidGrid();

    // leave openGL in a known state - flat shaded white, no textures
    GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_FLAT);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthFunc(GL11.GL_LESS);
    GL11.glColor3f(1, 1, 1);
    setColor(1, 1, 1, 1);

    // draw the rest of the objects. set drawing state first.
    color[0] = 1;
    color[1] = 1;
    color[2] = 1;
    color[3] = 1;
    tnum = DS_TEXTURE_NUMBER.DS_NONE;
    //if (fn.step) 
    fn.step(pause);
}

From source file:org.oscim.gdx.LwjglGL20.java

License:Apache License

public void viewport(int x, int y, int width, int height) {
    GL11.glViewport(x, y, width, height);
}

From source file:org.spout.engine.filesystem.resource.ClientRenderTexture.java

License:Open Source License

public void activate() {

    if (framebuffer == INVALID_BUFFER) {
        return; //Can't set this to active if it's not created yet
    }//from   ww w.j  av  a2s  .c  om

    if (useEXT) {
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
    } else {
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
    }
    SpoutRenderer.checkGLError();

    GL11.glViewport(0, 0, width, height);
    SpoutRenderer.checkGLError();
}

From source file:org.spout.engine.filesystem.resource.ClientRenderTexture.java

License:Open Source License

public void release() {

    if (framebuffer != INVALID_BUFFER) {
        if (useEXT) {
            EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, SCREEN_BUFFER);
        } else {/*from w w  w  . j  ava2s  .  co m*/
            GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
        }
        SpoutRenderer.checkGLError();

        GL11.glViewport(0, 0, width, height);
        SpoutRenderer.checkGLError();

        GL11.glDrawBuffer(GL11.GL_BACK);
    }
}

From source file:org.spout.engine.resources.ClientRenderTexture.java

License:Open Source License

public void activate() {
    if (framebuffer == INVALID_BUFFER)
        return; //Can't set this to active if it's not created yet
    if (useEXT)/*  w  w w .  j a va2s  . c  o  m*/
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
    else
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
    GL11.glViewport(0, 0, width, height);

}

From source file:org.spout.engine.resources.ClientRenderTexture.java

License:Open Source License

public void release() {
    if (framebuffer != INVALID_BUFFER) {
        if (useEXT)
            EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, SCREEN_BUFFER);
        else//from   w w  w.  j  a  va 2  s  .co m
            GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
        GL11.glViewport(0, 0, width, height);

    }
}

From source file:org.terasology.rendering.opengl.LwjglFrameBufferObject.java

License:Apache License

@Override
public void unbindFrame() {
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    GL11.glViewport(vp.get(0), vp.get(1), vp.get(2), vp.get(3));

    glMatrixMode(GL_TEXTURE);/*from w  ww .  ja  va2s  .  co  m*/
    glLoadIdentity();
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0, Display.getWidth(), Display.getHeight(), 0, 0, 2048f);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}