Merge change I9f3020db into eclair

    nsecs_t lastFrame = systemTime();

    nsecs_t frameDuration = s2ns(1) / animation.fps;

    Region clearReg(Rect(mWidth, mHeight));

    clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));

    for (int i=0 ; i<pcount && !exitPending() ; i++) {

        const Animation::Part& part(animation.parts[i]);

        const size_t fcount = part.frames.size();

                            frame.map->getDataLength());

                }

                if (!clearReg.isEmpty()) {

                    Region::const_iterator head(clearReg.begin());

                    Region::const_iterator tail(clearReg.end());

                    glEnable(GL_SCISSOR_TEST);

                    while (head != tail) {

                        const Rect& r(*head++);

                        glScissor(r.left, mHeight - r.bottom,

                                r.width(), r.height());

                        glClear(GL_COLOR_BUFFER_BIT);

                    }

                    glDisable(GL_SCISSOR_TEST);

                }

                glDrawTexiOES(xc, yc, 0, animation.width, animation.height);

                eglSwapBuffers(mDisplay, mSurface);