Package javax.media.opengl

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

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   */
  private void paintLabel(EdgeRenderingProperty property, Point2D p) {
    // Use the GL_MODULATE texture function to effectively multiply
    // each pixel in the texture by the current alpha value
    GL2 gl = scene.gl;
    gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_MODULATE);

    if (property.textIsDirty) {
      // recreate the texture, and save it.
      property.textTexture = property.textRenderer.getTexture();
      property.textIsDirty = false;
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   */
  private void paintLabel(NodeRenderingProperty property) {
    // Use the GL_MODULATE texture function to effectively multiply
    // each pixel in the texture by the current alpha value
    GL2 gl = scene.gl;
    gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_MODULATE);

    if (property.textIsDirty) {
      // recreate the texture, and save it.
      property.textTexture = property.textRenderer.getTexture();
      property.textIsDirty = false;
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            // System.err.println("JoglPipeline - Raster  : use bilinear filter\n");
            gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
            gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
        }

        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_MODULATE);
        gl.glColor4f(1.0f, 1.0f, 1.0f, alpha);

        // reset the polygon mode
        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);
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        gl.glPushAttrib(GL2.GL_TRANSFORM_BIT);
        gl.glMatrixMode(GL.GL_TEXTURE);
        gl.glLoadIdentity();
        gl.glPopAttrib();
        gl.glTexEnvfv(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_COLOR, color, 0);
        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
        gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);

// FIXME: GL_NV_register_combiners
//        if (gl.isExtensionAvailable("GL_NV_register_combiners")) {
//            gl.glDisable(GL.GL_REGISTER_COMBINERS_NV);
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        // set texture environment mode

        switch (textureMode) {
            case TextureAttributes.MODULATE:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_MODULATE);
                break;
            case TextureAttributes.DECAL:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_DECAL);
                break;
            case TextureAttributes.BLEND:
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        switch (textureMode) {
            case TextureAttributes.MODULATE:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_MODULATE);
                break;
            case TextureAttributes.DECAL:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_DECAL);
                break;
            case TextureAttributes.BLEND:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_BLEND);
                break;
            case TextureAttributes.REPLACE:
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                break;
            case TextureAttributes.DECAL:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_DECAL);
                break;
            case TextureAttributes.BLEND:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_BLEND);
                break;
            case TextureAttributes.REPLACE:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
                break;
            case TextureAttributes.COMBINE:
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                break;
            case TextureAttributes.BLEND:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_BLEND);
                break;
            case TextureAttributes.REPLACE:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
                break;
            case TextureAttributes.COMBINE:
                gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_COMBINE);
                break;
        }
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    GL2 gl = context(ctx).getGL().getGL2();
        int[] GLrgbMode = new int[1];
        int[] GLalphaMode = new int[1];
        getGLCombineMode(gl, combineRgbMode, combineAlphaMode,
                GLrgbMode, GLalphaMode);
        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, GLrgbMode[0]);
        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_ALPHA, GLalphaMode[0]);

        int nargs;
        if (combineRgbMode == TextureAttributes.COMBINE_REPLACE) {
            nargs = 1;
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        int[] GLrgbMode = new int[1];
        int[] GLalphaMode = new int[1];
        getGLCombineMode(gl, combineRgbMode, combineAlphaMode,
                GLrgbMode, GLalphaMode);
        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, GLrgbMode[0]);
        gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_ALPHA, GLalphaMode[0]);

        int nargs;
        if (combineRgbMode == TextureAttributes.COMBINE_REPLACE) {
            nargs = 1;
        } else if (combineRgbMode == TextureAttributes.COMBINE_INTERPOLATE) {
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