Function nextPow2

OpenCSG/src/channelManager.cpp:40–47

    namespace {

        int nextPow2(int value) {
            if(value <= 0) { return 0; }
            int result = 1;
            while(result < value) {
                result <<= 1;
            }
            return result;
        }

        void defaults() {
            glViewport(OpenGL::canvasPos[0], OpenGL::canvasPos[1], OpenGL::canvasPos[2], OpenGL::canvasPos[3]);