public static void uploadBitmapData(bc.flash.display3D.textures.AsTexture nativeTexture, AsBitmapData data, bool generateMipmaps) { nativeTexture.uploadFromBitmapData(data); if(generateMipmaps && data.getWidth() > 1 && data.getHeight() > 1) { int currentWidth = data.getWidth() >> 1; int currentHeight = data.getHeight() >> 1; int level = 1; AsBitmapData canvas = new AsBitmapData(currentWidth, currentHeight, true, 0); AsMatrix transform = new AsMatrix(.5f, 0, 0, .5f); AsRectangle bounds = new AsRectangle(); while(currentWidth >= 1 || currentHeight >= 1) { bounds.width = currentWidth; bounds.height = currentHeight; canvas.fillRect(bounds, (uint)(0)); canvas.draw(data, transform, null, null, null, true); nativeTexture.uploadFromBitmapData(canvas, (uint)(level++)); transform.scale(0.5f, 0.5f); currentWidth = currentWidth >> 1; currentHeight = currentHeight >> 1; } canvas.dispose(); } }