public RenderTextureIssue937()
        {
            /*
             *     1    2
             * A: A1   A2
             *
             * B: B1   B2
             *
             *  A1: premulti sprite
             *  A2: premulti render
             *
             *  B1: non-premulti sprite
             *  B2: non-premulti render
             */
            CCLayerColor background = CCLayerColor.layerWithColor(new ccColor4B(200, 200, 200, 255));

            addChild(background);

            CCSprite spr_premulti = CCSprite.spriteWithFile("Images/fire.png");

            spr_premulti.position = new CCPoint(16, 48);

            CCSprite spr_nonpremulti = CCSprite.spriteWithFile("Images/fire.png");

            spr_nonpremulti.position = new CCPoint(16, 16);


            /* A2 & B2 setup */
            CCRenderTexture rend = CCRenderTexture.renderTextureWithWidthAndHeight(32, 64);

            if (null == rend)
            {
                return;
            }

            // It's possible to modify the RenderTexture blending function by
            //		[[rend sprite] setBlendFunc:(ccBlendFunc) {GL_ONE, GL_ONE_MINUS_SRC_ALPHA}];
            rend.begin();
            spr_premulti.visit();
            spr_nonpremulti.visit();
            rend.end();

            CCSize s = CCDirector.sharedDirector().getWinSize();

            /* A1: setup */
            spr_premulti.position = new CCPoint(s.width / 2 - 16, s.height / 2 + 16);
            /* B1: setup */
            spr_nonpremulti.position = new CCPoint(s.width / 2 - 16, s.height / 2 - 16);

            rend.position = new CCPoint(s.width / 2 + 16, s.height / 2);

            addChild(spr_nonpremulti);
            addChild(spr_premulti);
            addChild(rend);
        }