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.cogaen.lwjgl.scene.Camera.java

License:Open Source License

void applyTransform() {
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();// w  ww  . j a  v a  2  s.  c  om
    GL11.glOrtho(0, this.width, 0, this.height, 1, -1);
    GL11.glTranslated(this.width / 2, this.height / 2, 0.0);

    GL11.glScaled(this.zoom, this.zoom, 0.0);
    GL11.glRotatef((float) -this.angle, 0, 0, 1);
    GL11.glTranslated(-this.posX, -this.posY, 0);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glViewport(this.viewport.getX(), this.viewport.getY(), this.viewport.getWidth(),
            this.viewport.getHeight());
}

From source file:org.cogaen.lwjgl.scene.SceneService.java

License:Open Source License

public void renderScene() {

    // quite and dirty frame counter
    this.clock.tick();
    this.fpsSum += this.clock.getDelta();
    if (++this.fpsCnt >= this.fpsAvg) {
        this.fpsCnt = 0;
        this.fps = String.format("FPS: %2.2f", (1.0 / (this.fpsSum / this.fpsAvg)));
        this.fpsSum = 0.0;
    }//from w  w w .j av  a 2  s.c o  m

    // Clear the screen and depth buffer
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    // render layers in each camera
    for (Camera camera : cameras) {
        if (!camera.isActive()) {
            continue;
        }

        camera.applyTransform();
        for (int i = this.layers.size() - 1; i >= 0; --i) {
            this.layers.get(i).render(camera.getMask());
        }

        for (RenderSubsystem rs : this.subSystems) {
            rs.render(camera.getMask());
        }
    }

    // draw overlays
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, 1.0, 0, 1.0 / getAspectRatio(), 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glViewport(0, 0, this.config.getWidth(), this.config.getHeight());

    this.overlayRoot.renderWithAspectRatio(0xFFFFFFFF, getAspectRatio());
    //      this.overlayRoot.render(0xFFFFFFFF);

    // render frame counter
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, this.config.getWidth(), this.config.getHeight(), 0, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4d(1, 0, 1, 1);
    font.drawString(5, this.config.getHeight() - 20, this.fps);

    Display.update();

    if (Display.isCloseRequested()) {
        this.evtSrv.dispatchEvent(new SimpleEvent(WINDOW_CLOSE_REQUEST));
    }
}

From source file:org.eclipse.swt.opengl.examples.LWJGLExample.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;/*w w w .  ja v a2s .  co m*/
    final GLCanvas canvas = new GLCanvas(comp, 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);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    display.asyncExec(new Runnable() {
        int rot = 0;

        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    });

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet195.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;/* w  w w . j  a  v a  2s  . com*/
    final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);

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

    canvas.addListener(SWT.Resize, new Listener() {
        @Override
        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);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    final Runnable run = new Runnable() {
        int rot = 0;

        @Override
        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    };
    canvas.addListener(SWT.Paint, new Listener() {
        @Override
        public void handleEvent(Event event) {
            run.run();
        }
    });
    display.asyncExec(run);

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet341.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;//ww  w.j av a 2  s . co m
    final GLCanvas canvas = new GLCanvas(shell, SWT.NONE, data);
    canvas.setLayoutData(new GridData(640, 480));

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

    canvas.addListener(SWT.Resize, new Listener() {
        @Override
        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);

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, new Listener() {
        @Override
        public void handleEvent(Event event) {
            capture(canvas);
        }
    });
    shell.pack();
    shell.open();

    display.asyncExec(new Runnable() {
        int rot = 0;

        @Override
        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    });

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

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

From source file:org.fenggui.example.ExampleBasisLWJGL.java

License:Open Source License

private void glInit(int width, int height) {
    // Go into orthographic projection mode.
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();/*from  w w  w . j  a v  a2  s.  co m*/
    GLU.gluOrtho2D(0, width, 0, height);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glViewport(0, 0, width, height);

    //set clear color to ... ugly
    GL11.glClearColor(0.1f, 0.5f, 0.2f, 0.0f);
    //sync frame (only works on windows )   => THAT IS NOT TRUE (ask Rainer)
    Display.setVSyncEnabled(false);
}

From source file:org.free.jake2.render.lwjgl.Main.java

License:Open Source License

/**
 * R_SetupGL/*from w w w.j  a  va2 s. c o  m*/
 */
void R_SetupGL() {

    //
    // set up viewport
    //
    //int x = (int) Math.floor(r_newrefdef.x * vid.width / vid.width);
    int x = r_newrefdef.x;
    //int x2 = (int) Math.ceil((r_newrefdef.x + r_newrefdef.width) * vid.width / vid.width);
    int x2 = r_newrefdef.x + r_newrefdef.width;
    //int y = (int) Math.floor(vid.height - r_newrefdef.y * vid.height / vid.height);
    int y = vid.height - r_newrefdef.y;
    //int y2 = (int) Math.ceil(vid.height - (r_newrefdef.y + r_newrefdef.height) * vid.height / vid.height);
    int y2 = vid.height - (r_newrefdef.y + r_newrefdef.height);

    int w = x2 - x;
    int h = y - y2;

    GL11.glViewport(x, y2, w, h);

    //
    // set up projection matrix
    //
    float screenaspect = (float) r_newrefdef.width / r_newrefdef.height;
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    MYgluPerspective(r_newrefdef.fov_y, screenaspect, 4, 4096);

    GL11.glCullFace(GL11.GL_FRONT);

    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();

    GL11.glRotatef(-90, 1, 0, 0); // put Z going up
    GL11.glRotatef(90, 0, 0, 1); // put Z going up
    GL11.glRotatef(-r_newrefdef.viewangles[2], 1, 0, 0);
    GL11.glRotatef(-r_newrefdef.viewangles[0], 0, 1, 0);
    GL11.glRotatef(-r_newrefdef.viewangles[1], 0, 0, 1);
    GL11.glTranslatef(-r_newrefdef.vieworg[0], -r_newrefdef.vieworg[1], -r_newrefdef.vieworg[2]);

    GL11.glGetFloat(GL11.GL_MODELVIEW_MATRIX, r_world_matrix);
    r_world_matrix.clear();

    //
    // set drawing parms
    //
    if (gl_cull.value != 0.0f) {
        GL11.glEnable(GL11.GL_CULL_FACE);
    } else {
        GL11.glDisable(GL11.GL_CULL_FACE);
    }

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_ALPHA_TEST);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
}

From source file:org.free.jake2.render.lwjgl.Main.java

License:Open Source License

/**
 * R_BeginFrame/* w w w  . j  a va  2 s.c o  m*/
 */
protected void R_BeginFrame(float camera_separation) {

    gl_state.camera_separation = camera_separation;

    /*
     ** change modes if necessary
     */
    if (gl_mode.modified || vid_fullscreen.modified) {
        // FIXME: only restart if CDS is required
        cvar ref;

        ref = Cvar.Get("vid_ref", "lwjgl", 0);
        ref.modified = true;
    }

    if (gl_log.modified) {
        GLimp_EnableLogging((gl_log.value != 0.0f));
        gl_log.modified = false;
    }

    if (gl_log.value != 0.0f) {
        GLimp_LogNewFrame();
    }

    /*
     ** update 3Dfx gamma -- it is expected that a user will do a vid_restart
     ** after tweaking this value
     */
    if (vid_gamma.modified) {
        vid_gamma.modified = false;

        if ((gl_config.renderer & GL_RENDERER_VOODOO) != 0) {
            // wird erstmal nicht gebraucht

            /*
            char envbuffer[1024];
            float g;
                    
            g = 2.00 * ( 0.8 - ( vid_gamma->value - 0.5 ) ) + 1.0F;
            Com_sprintf( envbuffer, sizeof(envbuffer), "SSTV2_GAMMA=%f", g );
            putenv( envbuffer );
            Com_sprintf( envbuffer, sizeof(envbuffer), "SST_GAMMA=%f", g );
            putenv( envbuffer );
             */
            VID.Printf(Defines.PRINT_DEVELOPER, "gamma anpassung fuer VOODOO nicht gesetzt");
        }
    }

    GLimp_BeginFrame(camera_separation);

    /*
     ** go into 2D mode
     */
    GL11.glViewport(0, 0, vid.width, vid.height);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, vid.width, vid.height, 0, -99999, 99999);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_CULL_FACE);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_ALPHA_TEST);
    GL11.glColor4f(1, 1, 1, 1);

    /*
     ** draw buffer stuff
     */
    if (gl_drawbuffer.modified) {
        gl_drawbuffer.modified = false;

        if (gl_state.camera_separation == 0 || !gl_state.stereo_enabled) {
            if (gl_drawbuffer.string.equalsIgnoreCase("GL_FRONT")) {
                GL11.glDrawBuffer(GL11.GL_FRONT);
            } else {
                GL11.glDrawBuffer(GL11.GL_BACK);
            }
        }
    }

    /*
     ** texturemode stuff
     */
    if (gl_texturemode.modified) {
        GL_TextureMode(gl_texturemode.string);
        gl_texturemode.modified = false;
    }

    if (gl_texturealphamode.modified) {
        GL_TextureAlphaMode(gl_texturealphamode.string);
        gl_texturealphamode.modified = false;
    }

    if (gl_texturesolidmode.modified) {
        GL_TextureSolidMode(gl_texturesolidmode.string);
        gl_texturesolidmode.modified = false;
    }

    /*
     ** swapinterval stuff
     */
    GL_UpdateSwapInterval();

    //
    // clear screen if desired
    //
    R_Clear();
}

From source file:org.geekygoblin.nedetlesmaki.game.systems.DrawSystem.java

License:Open Source License

@Override
protected void processEntities(ImmutableBag<Entity> entities) {
    GL11.glClearColor(99f / 255f, 201f / 255f, 183f / 255f, 1f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
    Sort.instance().sort(sprites, zComparator);

    GL11.glPushAttrib(GL11.GL_ENABLE_BIT | GL11.GL_TRANSFORM_BIT | GL11.GL_HINT_BIT | GL11.GL_COLOR_BUFFER_BIT
            | GL11.GL_SCISSOR_BIT | GL11.GL_LINE_BIT | GL11.GL_TEXTURE_BIT);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glPushMatrix();/*from   w  w  w . j  a va  2 s. c o  m*/
    GL11.glLoadIdentity();

    updateViewPort();
    GL11.glViewport(viewPort.x, viewPort.y, viewPort.width, viewPort.height);
    GLU.gluOrtho2D(-VirtualResolution.WIDTH / 2.0f, VirtualResolution.WIDTH / 2.0f,
            VirtualResolution.HEIGHT / 2.0f, -VirtualResolution.HEIGHT / 2.0f);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glPushMatrix();
    GL11.glLoadIdentity();
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_LIGHTING);
    GL11.glDisable(GL11.GL_SCISSOR_TEST);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);

    NedGame game = (NedGame) world;
    Entity ned = game.getNed();
    if (null != ned) {
        Sprite nedSprite = spriteMapper.get(ned);
        Vector nedPos = spriteProjector.project(nedSprite.getPosition());
        GL11.glTranslatef(-nedPos.x, -nedPos.y, 0.0f);
    }

    for (Entity e : backgrounds) {
        LevelBackground level = levelBackgroundMapper.getSafe(e);
        if (null != level) {
            drawLevel(level);
        }
    }

    GL11.glPushMatrix();
    GL11.glScalef(spriteGlobalScale, spriteGlobalScale, 1.0f);
    spriteBatcher.begin();
    for (Entity e : sprites) {
        spriteBatcher.draw(spriteMapper.getSafe(e));
    }
    spriteBatcher.end();
    for (Entity e : sprites) {
        drawSpriteLabel(spriteMapper.getSafe(e));
    }
    GL11.glPopMatrix();

    for (Entity e : uis) {
        MainMenu mainMenu = mainMenuMapper.getSafe(e);
        if (null != mainMenu) {
            nuitRenderer.render(mainMenu.getRoot());
        }
        DialogComponent dialog = dialogMapper.getSafe(e);
        if (null != dialog) {
            nuitRenderer.render(dialog.getRoot());
        }
        InGameUI inGameUI = inGameUIMapper.getSafe(e);
        if (null != inGameUI) {
            nuitRenderer.render(inGameUI.getRoot());
        }
    }
    GL11.glPopMatrix();
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glPopMatrix();
    GL11.glPopAttrib();

}