#0  0x00000000004a9398 in nxagentTrapezoids (op=3 '\003', pSrc=0x170bb50, pDst=0x170bdc0, maskFormat=<optimized out>, xSrc=909, ySrc=63, ntrap=1, traps=0x1b42994)
    at Render.c:1752
        pForm = 0xb11d48
        current = 0x1b42994
        pDstRegion = <optimized out>
        remaining = 1
#1  0x00000000004341ea in ProcRenderTrapezoids (client=0x1693920) at X/NXrender.c:1123
        ntraps = 1
        pSrc = 0x170bb50
        pDst = 0x170bdc0
        pFormat = 0x152b470
        stuff = 0x1b4297c
#2  0x000000000042f46d in ProcRenderDispatch (client=<optimized out>) at X/NXrender.c:2519
        result = 11789376
        stuff = <optimized out>
#3  0x000000000042e6f2 in Dispatch () at X/NXdispatch.c:747
        clientReady = 0x7fff4f4f7c70
        result = <optimized out>
        client = 0x1693920
        nready = -1
        icheck = 0xb333e0
        start_tick = 80
        currentDispatch = <optimized out>
#4  0x000000000040f047 in main (argc=9, argv=0x7fff4f4f82c8, envp=<optimized out>) at main.c:450
        i = <optimized out>
        j = 2
        k = 2
        error = 0
        xauthfile = <optimized out>
        alwaysCheckForInput = {0, 1}