Package javax.media.opengl

Examples of javax.media.opengl.GL2.glDepthFunc()

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            gl.glAlphaFunc(GL2.GL_GREATER, 0.001f);

            // Adjust depth of image to bring it slightly forward
            double depth = screenPoint.z - (8d * 0.00048875809d);
            depth = depth < 0d ? 0d : (depth > 1d ? 1d : depth);
            gl.glDepthFunc(GL.GL_LESS);
            gl.glDepthRange(depth, depth);

            // The image is drawn using a translated and scaled unit quad.
            // Translate to screen point and adjust to align hot spot.
            osh.pushModelviewIdentity(gl);
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    {
        GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.

        if ((!dc.isDeepPickingEnabled()))
            gl.glEnable(GL.GL_DEPTH_TEST);
        gl.glDepthFunc(GL.GL_LEQUAL);
        gl.glDepthMask(true);

        try
        {
            dc.getView().pushReferenceCenter(dc, this.placePoint); // draw relative to the place point
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            gl.glAlphaFunc(GL2.GL_GREATER, 0.001f);

            // Adjust depth of point to bring it slightly forward
            double depth = this.screenPoint.z - (8d * 0.00048875809d);
            depth = depth < 0d ? 0d : (depth > 1d ? 1d : depth);
            gl.glDepthFunc(GL.GL_LESS);
            gl.glDepthRange(depth, depth);

            gl.glBegin(GL2.GL_POINTS);
            gl.glVertex3d(this.screenPoint.x, this.screenPoint.y, 0);
            gl.glEnd();
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        }
        if (!depthBufferEnableOverride) {
            gl.glEnable(GL.GL_DEPTH_TEST);
        }
        gl.glAlphaFunc(GL.GL_ALWAYS, 0.0f);
        gl.glDepthFunc(GL.GL_LEQUAL);
        gl.glEnable(GL2.GL_COLOR_MATERIAL);
        gl.glDisable(GL.GL_COLOR_LOGIC_OP);
    }

    // native method for setting default texture
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            // Enable rescale normal
            gl.glEnable(GL2.GL_RESCALE_NORMAL);

            gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL2.GL_DIFFUSE);
            gl.glDepthFunc(GL.GL_LEQUAL);
            gl.glEnable(GL2.GL_COLOR_MATERIAL);

            /*
            OpenGL specs:
               glReadBuffer specifies a color buffer as the source for subsequent glReadPixels.
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    GL2 gl = context(ctx).getGL().getGL2();

        if (!depthBufferEnableOverride) {
            if (depthBufferEnable) {
                gl.glEnable(GL.GL_DEPTH_TEST);
                gl.glDepthFunc(getFunctionValue(depthTestFunction));
            } else {
                gl.glDisable(GL.GL_DEPTH_TEST);
            }
        }
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    // reglages inconnus
    gl.glShadeModel(GL2.GL_SMOOTH);              // Enable Smooth Shading
    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);     // Black Background
    gl.glClearDepth(1.0f);                       // Depth Buffer Setup
    gl.glEnable(GL2.GL_DEPTH_TEST);              // Enables Depth Testing
    gl.glDepthFunc(GL2.GL_LEQUAL);               // The Type Of Depth Testing To Do
    gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_NICEST);  // Really Nice Perspective Calculations
    gl.setSwapInterval(1);

    // debut texture
    gl.glEnable(GL2.GL_BLEND);
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    // reglages inconnus
    gl.glShadeModel(GL2.GL_SMOOTH);              // Enable Smooth Shading
    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);     // Black Background
    gl.glClearDepth(1.0f);                       // Depth Buffer Setup
    gl.glEnable(GL2.GL_DEPTH_TEST);              // Enables Depth Testing
    gl.glDepthFunc(GL2.GL_LEQUAL);               // The Type Of Depth Testing To Do
    gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_NICEST);  // Really Nice Perspective Calculations
    gl.setSwapInterval(1);
  }

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    this.glu = GLU.createGLU();
    gl.glClearColor(0x00 / 255f, 0x7d / 255f, 0xdf / 255f, 0f);
    gl.glClearDepthf(1.0f);
    gl.glEnable(GL.GL_DEPTH_TEST);
    gl.glDepthFunc(GL.GL_LEQUAL);
    gl.glHint(GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);

    this.chunkRenderer.init(drawable, gl);
    this.overlay.init(drawable);
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        GL2 gl = drawable.getGL().getGL2();      // get the OpenGL graphics context
        glu = new GLU();                         // get GL Utilities
        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // set background (clear) color
        gl.glClearDepth(1.0f);      // set clear depth value to farthest
        gl.glEnable(GL_DEPTH_TEST); // enables depth testing
        gl.glDepthFunc(GL_LEQUAL);  // the type of depth test to do
        gl.glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // best perspective correction
        gl.glShadeModel(GL_SMOOTH); // blends colors nicely, and smoothes out lighting
    }

    /**
 
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