Example usage for org.lwjgl.opengl GL11 glClear

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

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Introduction

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

Prototype

public static void glClear(@NativeType("GLbitfield") int mask)

Source Link

Document

Sets portions of every pixel in a particular buffer to the same value.

Usage

From source file:fr.def.iss.vd2.lib_v3d.V3DCanvas.java

License:Open Source License

/**
 * The only method that you should implement by yourself.
 *
 * @see javax.media.openGL11.GLEventListener#display(javax.media.openGL11.GLAutoDrawable)
 *//*from w ww  . j ava2 s.  c om*/
public void display() {

    GL11.glClear(GL11.GL_ACCUM_BUFFER_BIT);

    for (V3DCameraBinding binding : cameraList) {

        GL11.glViewport(binding.x, binding.y, binding.width, binding.height);

        //Clean Background
        I3dColor color = binding.camera.getBackgroundColor();
        GL11.glClearColor(color.r, color.g, color.b, color.a);

        GL11.glScissor(binding.x, binding.y, binding.width, binding.height);
        GL11.glEnable(GL11.GL_SCISSOR_TEST);
        if (color.a == 1.0f) {
            GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
        } else {
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
            GL11.glOrtho(0, binding.width, 0, binding.height, -2000.0, 2000.0);

            GL11.glDisable(GL11.GL_DEPTH_TEST);
            GL11.glColor4f(color.r, color.g, color.b, color.a);
            GL11.glBegin(GL11.GL_QUADS);
            GL11.glVertex3f(0, 0, 0);
            GL11.glVertex3f(binding.width, 0, 0);
            GL11.glVertex3f(binding.width, binding.height, 0);
            GL11.glVertex3f(0, binding.height, 0);
            GL11.glEnd();
            GL11.glEnable(GL11.GL_DEPTH_TEST);
            GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
        }
        GL11.glDisable(GL11.GL_SCISSOR_TEST);

        binding.camera.display(binding.width, binding.height);

        GL11.glDisable(GL11.GL_DEPTH_TEST);
        //            binding.getGui().display();
        GL11.glEnable(GL11.GL_DEPTH_TEST);

        if (select && binding == focusCamera) {
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            //glu.gluPerspective(45.0f, h, 0.1, 2000.0);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
            binding.camera.select(mouseX, mouseY);
            context.setMouseOverCameraBinding(binding);
        }
    }
    GL11.glFlush();
    select = false;
}

From source file:fr.guillaume.prive.viper.core.graphic.GraphicMotor.java

public static void draw() {
    GraphicMotor.checkInstance();// w w  w .  ja  va 2  s  .  co m

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL20.glUseProgram(instance.shipShaderId);

    GL20.glUniform1i(instance.useTextureLocation, instance.drawPolygonFrame ? 0 : 1);
    int drawStyle = instance.drawPolygonFrame ? GL11.GL_LINE_LOOP : GL11.GL_TRIANGLES;

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, instance.shipTextureId);
    GL30.glBindVertexArray(instance.shipVaoId);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    GL20.glEnableVertexAttribArray(3);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, instance.shipVboiId);
    GL11.glDrawElements(drawStyle, instance.shipVboiLenght, GL11.GL_UNSIGNED_INT, 0);

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL20.glDisableVertexAttribArray(3);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    GL20.glUseProgram(0);
}

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//  w  w w  .j  a  v a2  s.  c om
 * 
 * @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");
}

From source file:fr.ign.cogit.geoxygene.util.gl.GLTools.java

License:Open Source License

/**
 * set gl clear color from a LWJGL Color object
 *//*from  w  ww.j a v  a  2s  .c  o m*/
public static void glClear(final Color color, int bufferId) {
    GL11.glClearColor(color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f,
            color.getAlpha() / 255f);
    GL11.glClear(bufferId);
}

From source file:fr.ign.cogit.geoxygene.util.gl.GLTools.java

License:Open Source License

/**
 * set gl clear color from an AWT Color object
 *///from  ww w.  j  ava 2  s  .com
public static void glClear(final java.awt.Color color, int bufferId) {
    GL11.glClearColor(color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f,
            color.getAlpha() / 255f);
    GL11.glClear(bufferId);
}

From source file:fr.ign.cogit.geoxygene.util.gl.GLTools.java

License:Open Source License

/**
 * set gl clear color from RGBA components
 *//*from   w w  w  .  jav a  2 s .c  o m*/
public static void glClear(float r, float g, float b, float a, int bufferId) {
    GL11.glClearColor(r, g, b, a);
    GL11.glClear(bufferId);
}

From source file:fr.theshark34.sharkengine.Game.java

License:Apache License

/**
 * Update the window, called by the main loop of the create() method
 *///from  ww  w  .  jav  a  2s  . c om
private static void update() {
    // Clear all
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL11.glClearColor((float) clearColor.getRed() / 255, (float) clearColor.getGreen() / 255,
            (float) clearColor.getBlue() / 255, (float) clearColor.getAlpha() / 255);

    // Draw the current GUI
    if (currentGUI != null)
        currentGUI.draw();

    // Check if user requested close
    if (Display.isCloseRequested())
        stop();

    // Update the Display
    Display.update();
}

From source file:game.engine.game.Scene.java

License:Open Source License

/**
 * Draws the screen contents using OpenGL.
 *///from   w ww  .j av  a2s. c  o m
public void draw() {
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, getScreenWidthUnits(), getScreenHeightUnits(), 0, -1, 1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glTranslatef(-screenX, -screenY, 0.0f);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
    for (GameObject gameObject : gameObjects) {
        gameObject.draw();
    }
}

From source file:game.states.State_PREFAB_EDITOR.java

License:Open Source License

@Override
protected void Render() {

    OrthoMode();/*  w  w  w  .jav a  2  s  . c  o m*/
    ModelMode();

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    DrawBackground();

    ButtonGUILayer.Render();
    if (PrefabMap != null)
        PrefabMap.Render();
    PrefabPalette.Render();
    Color.white.bind();
    MenuGUILayer.Render();

    ProjectionMode();
    ModelMode();
    GL11.glDisable(GL11.GL_TEXTURE_2D);

    GL11.glTranslatef(CameraX, CameraY, -20f + CameraZ); // Move Right 1.5

    GL11.glTranslatef(9, -45, 0);
    GL11.glRotatef(MapRotatef, 0f, 1.0f, 0f);
    RenderPrefab();

}

From source file:game.states.State_SINGLEPLAYER.java

License:Open Source License

@Override
protected void Render() {

    OrthoMode();/*from  w w w  .j  a  va2 s.c om*/
    ModelMode();

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    DrawBackground();
    MainGUILayer.Render();
    MenuGUILayer.Render();
    StatRenderer.DrawBars();

    ProjectionMode();
    ModelMode();
    GL11.glDisable(GL11.GL_TEXTURE_2D);

    GL11.glTranslatef(PlayerX, PlayerY, -20f + PlayerZ); // Move Right 1.5

    GL11.glTranslatef(9, -45, 0);
    GL11.glRotatef(MapRotatef, 0f, 1.0f, 0f);
    t.Render();

}