Example usage for org.lwjgl.opengl GL11 glViewport

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:net.minecraft.client.gui.GuiAchievement.java

private void updateAchievementWindowScale() {
    GL11.glViewport(0, 0, this.theGame.displayWidth, this.theGame.displayHeight);
    GL11.glMatrixMode(5889 /*GL_PROJECTION*/);
    GL11.glLoadIdentity();/* w w  w. ja  v a 2  s . c o  m*/
    GL11.glMatrixMode(5888 /*GL_MODELVIEW0_ARB*/);
    GL11.glLoadIdentity();
    this.achievementWindowWidth = this.theGame.displayWidth;
    this.achievementWindowHeight = this.theGame.displayHeight;
    ScaledResolution var1 = new ScaledResolution(this.theGame.gameSettings, this.theGame.displayWidth,
            this.theGame.displayHeight);
    this.achievementWindowWidth = var1.getScaledWidth();
    this.achievementWindowHeight = var1.getScaledHeight();
    GL11.glClear(256);
    GL11.glMatrixMode(5889 /*GL_PROJECTION*/);
    GL11.glLoadIdentity();
    GL11.glOrtho(0.0D, (double) this.achievementWindowWidth, (double) this.achievementWindowHeight, 0.0D,
            1000.0D, 3000.0D);
    GL11.glMatrixMode(5888 /*GL_MODELVIEW0_ARB*/);
    GL11.glLoadIdentity();
    GL11.glTranslatef(0.0F, 0.0F, -2000.0F);
}

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From source file:net.neilcsmith.praxis.video.opengl.internal.FrameBuffer.java

License:Apache License

/** Makes the frame buffer current so everything gets drawn to it. */
public void begin() {
    GL11.glViewport(0, 0, colorTexture.getWidth(), colorTexture.getHeight());
    bind();
}

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From source file:net.neilcsmith.praxis.video.opengl.internal.FrameBuffer.java

License:Apache License

/** Unbinds the framebuffer, all drawing will be performed to the normal framebuffer from here on. */
public void end() {
    GL11.glViewport(0, 0, GLContext.getCurrent().getWidth(), GLContext.getCurrent().getHeight());
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}

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From source file:net.neilcsmith.praxis.video.opengl.internal.GLRenderer.java

License:Apache License

private void activate() {
    if (active) {
        return;/*ww w.  j  a  v a 2  s  .c  o  m*/
    }

    GL11.glDepthMask(false);
    GL11.glEnable(GL11.GL_TEXTURE_2D);

    FrameBuffer fbo = null;
    boolean clear = false;
    target = null;

    if (surface != null) {
        GLSurfaceData data = surface.getData();
        if (data == null) {
            LOGGER.finest("Setting up render to empty surface");
            data = new GLSurfaceData(surface.getWidth(), surface.getHeight(), surface.hasAlpha());
            data.texture = context.getTextureManager().acquire(data.width, data.height);
            surface.setData(data);
            clear = true;
        } else if (data.usage > 1) {
            LOGGER.finest("Setting up render to shared surface");
            data.usage--;
            if (data.texture == null) {
                data.texture = context.getTextureManager().acquire(data.width, data.height);
                syncPixelsToTexture(data);
            }
            data.texture.getFrameBuffer().bind();
            data = new GLSurfaceData(surface.getWidth(), surface.getHeight(), surface.hasAlpha());
            data.texture = context.getTextureManager().acquire(data.width, data.height);
            data.texture.bind();
            GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, data.width, data.height);
            surface.setData(data);
        } else if (data.texture == null) {
            LOGGER.finest("Setting up render to pixel backed surface");
            data.texture = context.getTextureManager().acquire(data.width, data.height);
            syncPixelsToTexture(data);
        }
        data.pixels = null;
        target = data.texture;
        fbo = data.texture.getFrameBuffer();
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    if (fbo == null) {
        LOGGER.finest("Setting up render to screen");
        int w = GLContext.getCurrent().getWidth();
        int h = GLContext.getCurrent().getHeight();
        FrameBuffer.unbind();
        GL11.glViewport(0, 0, w, h);
        projectionMatrix.setToOrtho2D(0, 0, w, h);
    } else {
        LOGGER.finest("Setting up render to texture");
        fbo.bind();
        int w = surface.getWidth();
        int h = surface.getHeight();
        GL11.glViewport(0, 0, w, h);
        projectionMatrix.setToOrtho2D(0, h, w, -h);
    }

    if (customShader != null) {
        customShader.begin();
    } else {
        shader.begin();
    }
    setupMatrices();

    active = true;

    if (clear) {
        clear();
    }

}

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From source file:net.phatcode.rel.multimedia.Renderer.java

License:Open Source License

Renderer(int screenWidth, int screenHeight) {
    try {/*from  ww w .j a v a  2s  .c  o m*/
        Display.setDisplayMode(new DisplayMode(screenWidth, screenHeight));
        Display.create();
        Display.setTitle("AnyaBasic 0.4.0 beta");
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    this.screenWidth = screenWidth;
    this.screenHeight = screenHeight;

    GL11.glViewport(0, 0, screenWidth, screenHeight);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();

    GL11.glOrtho(0, screenWidth, screenHeight, 0, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    GL11.glLoadIdentity();

    GL11.glShadeModel(GL11.GL_SMOOTH); //set shading to smooth(try GL_FLAT)
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); //set Clear color to BLACK
    GL11.glClearDepth(1.0f); //Set Depth buffer to 1(z-Buffer)
    GL11.glDisable(GL11.GL_DEPTH_TEST); //Disable Depth Testing so that our z-buffer works

    GL11.glDepthFunc(GL11.GL_LEQUAL);

    GL11.glEnable(GL11.GL_COLOR_MATERIAL);

    GL11.glEnable(GL11.GL_TEXTURE_2D);

    GL11.glEnable(GL11.GL_ALPHA_TEST);
    GL11.glAlphaFunc(GL11.GL_GREATER, 0);

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);

    GL11.glDisable(GL11.GL_CULL_FACE);

    GL11.glPolygonMode(GL11.GL_FRONT, GL11.GL_FILL);

    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glTranslatef(0.375f, 0.375f, 0); // magic trick

}

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From source file:net.smert.frameworkgl.opengl.OpenGL1.java

License:Apache License

public OpenGL1 setViewport(int x, int y, int width, int height) {
    viewportX = x;//w ww  . j  av  a2 s  .  c o  m
    viewportY = y;
    viewportWidth = width;
    viewportHeight = height;
    GL11.glViewport(x, y, width, height);
    return this;
}

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From source file:opengl.test.OpenGL.java

public OpenGL() {
    GLFW.glfwSetErrorCallback(errorCallback);
    if (GLFW.glfwInit() != GLFW.GLFW_TRUE) {
        throw new RuntimeException("Khong the khoi tao glfw");
    }/*from www.  j  a v  a 2s .c o m*/

    GLFW.glfwDefaultWindowHints();
    GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 3);// su dung opengl phien ban 3.2 --> GLSL phien bn 1.50
    GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 2);
    GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_PROFILE, GLFW.GLFW_OPENGL_CORE_PROFILE);
    GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_FORWARD_COMPAT, GLFW.GLFW_TRUE);

    this.windowID = GLFW.glfwCreateWindow(this.width, this.height, this.title, MemoryUtil.NULL,
            MemoryUtil.NULL);
    if (this.windowID == MemoryUtil.NULL) {
        throw new RuntimeException("Khong the tao window");
    }

    GLFW.glfwMakeContextCurrent(windowID);
    GL.createCapabilities();
    GLFW.glfwSwapInterval(1);

    this.keyCallback = new GLFWKeyCallback() {
        @Override
        public void invoke(long arg0, int arg1, int arg2, int arg3, int arg4) {
            if (arg1 == GLFW.GLFW_KEY_ESCAPE && arg3 != GLFW.GLFW_RELEASE) {
                GLFW.glfwSetWindowShouldClose(windowID, GL11.GL_TRUE);
            }
            OpenGL.this.keyCallback(arg0, arg1, arg2, arg3, arg4);
        }
    };
    this.windowSizeCallback = new GLFWWindowSizeCallback() {
        @Override
        public void invoke(long arg0, int arg1, int arg2) {
            GL11.glViewport(0, 0, arg1, arg2);// view port 0,0 goc tre, arg1, arg2 goc duoi cung !
        }

    };
    this.cursorPosCallback = new GLFWCursorPosCallback() {
        @Override
        public void invoke(long arg0, double arg1, double arg2) {
            OpenGL.this.cursorCallback(arg0, arg1, arg2);
        }

    };
    GLFW.glfwSetWindowSizeCallback(windowID, windowSizeCallback);
    GLFW.glfwSetKeyCallback(windowID, keyCallback);
    GLFW.glfwSetCursorPosCallback(windowID, cursorPosCallback);
    try {
        this.init();
        this.loop();
    } catch (InterruptedException ex) {
        throw new RuntimeException("Loop !!!1");
    }

}

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From source file:org.agpu.oc.common.tileentity.AdvancedMonitor.java

public void startDrawing3D(int x, int y, int width, int height, float fov, float zNear, float zFar) {
    if (worldObj.isRemote) {
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);

        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
        GL11.glViewport(0, 0, width, height);

        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();//from   w w w . j  a  v a2 s .c  o  m
        GL11.glLoadIdentity();
        GLU.gluPerspective(fov, (float) width / (float) height, zNear, zFar);

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

        GL11.glClearColor(cr, cg, cb, ca);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    }
}

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From source file:org.agpu.oc.common.tileentity.AdvancedMonitor.java

public void startDrawing2D(int x, int y, int width, int height) {
    if (worldObj.isRemote) {
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);

        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
        GL11.glViewport(x, y, width, height);

        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();/*from www. j a v a2s.c  o m*/
        GL11.glLoadIdentity();
        GL11.glOrtho(0, width, height, 0, 1, -1);

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

        GL11.glClearColor(cr, cg, cb, ca);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    }
}

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From source file:org.bonsaimind.badgersvoyage.tools.planetstudio.Studio.java

License:Open Source License

public void run() {
    GL11.glClearColor(0.2f, 0.5f, 1f, 0f);
    GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());

    //GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);

    while (!Display.isCloseRequested() && !closeRequested) {
        processKeyboard();//from w  w  w.  j  a  va2 s .co  m
        ErrorChecker.exitOnOpenGlError("After processKeyboard.");

        camera.startTranslate();
        sphere.translate();
        camera.endTranslate();
        ErrorChecker.exitOnOpenGlError("End of Translate.");

        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

        GL20.glUseProgram(programId);
        sphere.render();

        GL20.glDisableVertexAttribArray(0);
        GL30.glDeleteVertexArrays(0);

        GL20.glUseProgram(0);

        Display.sync(60);
        Display.update();

        ErrorChecker.exitOnOpenGlError("End of main loop.");

    }

    Display.destroy();

}

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