public static void bloomCircle(double x, double y, double width, int blurRadius, Color color, boolean cache) {
        GlStateManager.pushAttrib();
        GlStateManager.pushMatrix();
        GlStateManager.alphaFunc(516, 0.01f);
        double height = width;
        height = Math.max(0, height);
        width = Math.max(0, width);
        width += blurRadius * 2;
        height += blurRadius * 2;
        x -= blurRadius;
        y -= blurRadius;
        final float _X = (float) (x - 0.25f);
        final float _Y = (float) (y + 0.25f);
        final int identifier = (int) (width * height + width + color.hashCode() * blurRadius + blurRadius);
        GL11.glEnable(3553);
        GL11.glDisable(2884);
        GL11.glEnable(3008);
        GL11.glEnable(3042);
        if (shadowCache.containsKey(identifier) && cache) {
            final int texId = shadowCache.get(identifier);
            GlStateManager.bindTexture(texId);
        }
        else {
            final BufferedImage original = new BufferedImage((int) width, (int) height, 2);
            final Graphics g = original.getGraphics();
            g.setColor(color);
            for (int i=0; i < 4; i++) {
                g.fillArc(blurRadius, blurRadius, (int) (width - blurRadius * 2), (int) (height - blurRadius * 2), i*90, i*90 + 90);
            }
            g.dispose();
            final GaussianFilter op = new GaussianFilter((float)blurRadius);
            final BufferedImage blurred = op.filter(original, null);
            final int texId = TextureUtil.uploadTextureImageAllocate(TextureUtil.glGenTextures(), blurred, true, false);
            shadowCache.put(identifier, texId);
        }
        GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
        GL11.glBegin(7);
        GL11.glTexCoord2f(0.0f, 0.0f);
        GL11.glVertex2d(_X, _Y);
        GL11.glTexCoord2f(0.0f, 1.0f);
        GL11.glVertex2d(_X, _Y + height);
        GL11.glTexCoord2f(1.0f, 1.0f);
        GL11.glVertex2d(_X + width, _Y + height);
        GL11.glTexCoord2f(1.0f, 0.0f);
        GL11.glVertex2d(_X + width, _Y);
        GL11.glEnd();
        GL11.glDisable(3553);
        GL11.glEnable(2884);
        GL11.glDisable(3008);
        GL11.glDisable(3042);
        GlStateManager.popAttrib();
        GlStateManager.popMatrix();
    }