示例#1
0
static XF86ConfScreenPtr
configureScreenSection (int screennum)
{
    int i;
    int depths[] = { 1, 4, 8, 15, 16, 24/*, 32*/ };
    parsePrologue (XF86ConfScreenPtr, XF86ConfScreenRec)

    XNFasprintf(&ptr->scrn_identifier, "Screen%d", screennum);
    XNFasprintf(&ptr->scrn_monitor_str, "Monitor%d", screennum);
    XNFasprintf(&ptr->scrn_device_str, "Card%d", screennum);

    for (i=0; i<sizeof(depths)/sizeof(depths[0]); i++)
    {
	XF86ConfDisplayPtr display;

	display = calloc(1, sizeof(XF86ConfDisplayRec));
	display->disp_depth = depths[i];
	display->disp_black.red = display->disp_white.red = -1;
	display->disp_black.green = display->disp_white.green = -1;
	display->disp_black.blue = display->disp_white.blue = -1;
	ptr->scrn_display_lst = (XF86ConfDisplayPtr)xf86addListItem(
				     (glp)ptr->scrn_display_lst, (glp)display);
    }

    return ptr;
}
示例#2
0
static XF86ConfLayoutPtr
configureLayoutSection (void)
{
    int scrnum = 0;
    parsePrologue (XF86ConfLayoutPtr, XF86ConfLayoutRec)

    ptr->lay_identifier = "X.org Configured";

    {
	XF86ConfInputrefPtr iptr;

	iptr = malloc (sizeof (XF86ConfInputrefRec));
	iptr->list.next = NULL;
	iptr->iref_option_lst = NULL;
	iptr->iref_inputdev_str = "Mouse0";
	iptr->iref_option_lst =
		xf86addNewOption (iptr->iref_option_lst, strdup("CorePointer"), NULL);
	ptr->lay_input_lst = (XF86ConfInputrefPtr)
		xf86addListItem ((glp) ptr->lay_input_lst, (glp) iptr);
    }

    {
	XF86ConfInputrefPtr iptr;

	iptr = malloc (sizeof (XF86ConfInputrefRec));
	iptr->list.next = NULL;
	iptr->iref_option_lst = NULL;
	iptr->iref_inputdev_str = "Keyboard0";
	iptr->iref_option_lst =
		xf86addNewOption (iptr->iref_option_lst, strdup("CoreKeyboard"), NULL);
	ptr->lay_input_lst = (XF86ConfInputrefPtr)
		xf86addListItem ((glp) ptr->lay_input_lst, (glp) iptr);
    }

    for (scrnum = 0;  scrnum < nDevToConfig;  scrnum++) {
	XF86ConfAdjacencyPtr aptr;

	aptr = malloc (sizeof (XF86ConfAdjacencyRec));
	aptr->list.next = NULL;
	aptr->adj_x = 0;
	aptr->adj_y = 0;
	aptr->adj_scrnum = scrnum;
	XNFasprintf(&aptr->adj_screen_str, "Screen%d", scrnum);
	if (scrnum == 0) {
	    aptr->adj_where = CONF_ADJ_ABSOLUTE;
	    aptr->adj_refscreen = NULL;
	}
	else {
	    aptr->adj_where = CONF_ADJ_RIGHTOF;
	    XNFasprintf(&aptr->adj_refscreen, "Screen%d", scrnum - 1);
	}
    	ptr->lay_adjacency_lst =
	    (XF86ConfAdjacencyPtr)xf86addListItem((glp)ptr->lay_adjacency_lst,
					      (glp)aptr);
    }

    return ptr;
}
示例#3
0
void
xf86SbusConfigureNewDev(void *busData, sbusDevicePtr sBus, GDevRec * GDev)
{
    char *promPath = NULL;

    sBus = (sbusDevicePtr) busData;
    GDev->identifier = sBus->descr;
    if (sparcPromInit() >= 0) {
        promPath = sparcPromNode2Pathname(&sBus->node);
        sparcPromClose();
    }
    if (promPath) {
        XNFasprintf(&GDev->busID, "SBUS:%s", promPath);
        free(promPath);
    }
    else {
        XNFasprintf(&GDev->busID, "SBUS:fb%d", sBus->fbNum);
    }
}
示例#4
0
/*
 * InitOutput --
 *	Initialize screenInfo for all actually accessible framebuffers.
 *      That includes vt-manager setup, querying all possible devices and
 *      collecting the pixmap formats.
 */
void
InitOutput(ScreenInfo *pScreenInfo, int argc, char **argv)
{
    int                    i, j, k, scr_index, was_blocked = 0;
    char                   **modulelist;
    pointer                *optionlist;
    Pix24Flags		 screenpix24, pix24;
    MessageType		 pix24From = X_DEFAULT;
    Bool			 pix24Fail = FALSE;
    Bool			 autoconfig = FALSE;
    GDevPtr		 configured_device;

    xf86Initialising = TRUE;

    if (serverGeneration == 1) {
        if ((xf86ServerName = strrchr(argv[0], '/')) != 0)
            xf86ServerName++;
        else
            xf86ServerName = argv[0];

        xf86PrintBanner();
        xf86PrintMarkers();
        if (xf86LogFile)  {
            time_t t;
            const char *ct;
            t = time(NULL);
            ct = ctime(&t);
            xf86MsgVerb(xf86LogFileFrom, 0, "Log file: \"%s\", Time: %s",
                        xf86LogFile, ct);
        }

        /* Read and parse the config file */
        if (!xf86DoConfigure && !xf86DoShowOptions) {
            switch (xf86HandleConfigFile(FALSE)) {
            case CONFIG_OK:
                break;
            case CONFIG_PARSE_ERROR:
                xf86Msg(X_ERROR, "Error parsing the config file\n");
                return;
            case CONFIG_NOFILE:
                autoconfig = TRUE;
                break;
            }
        }

        InstallSignalHandlers();

        /* Initialise the loader */
        LoaderInit();

        /* Tell the loader the default module search path */
        LoaderSetPath(xf86ModulePath);

        if (xf86Info.ignoreABI) {
            LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL);
        }

        if (xf86DoShowOptions)
            DoShowOptions();

        /* Do a general bus probe.  This will be a PCI probe for x86 platforms */
        xf86BusProbe();

        if (xf86DoConfigure)
            DoConfigure();

        if (autoconfig) {
            if (!xf86AutoConfig()) {
                xf86Msg(X_ERROR, "Auto configuration failed\n");
                return;
            }
        }

#ifdef XF86PM
        xf86OSPMClose = xf86OSPMOpen();
#endif

        /* Load all modules specified explicitly in the config file */
        if ((modulelist = xf86ModulelistFromConfig(&optionlist))) {
            xf86LoadModules(modulelist, optionlist);
            free(modulelist);
            free(optionlist);
        }

        /* Load all driver modules specified in the config file */
        /* If there aren't any specified in the config file, autoconfig them */
        /* FIXME: Does not handle multiple active screen sections, but I'm not
         * sure if we really want to handle that case*/
        configured_device = xf86ConfigLayout.screens->screen->device;
        if ((!configured_device) || (!configured_device->driver)) {
            if (!autoConfigDevice(configured_device)) {
                xf86Msg(X_ERROR, "Automatic driver configuration failed\n");
                return ;
            }
        }
        if ((modulelist = xf86DriverlistFromConfig())) {
            xf86LoadModules(modulelist, NULL);
            free(modulelist);
        }

        /* Load all input driver modules specified in the config file. */
        if ((modulelist = xf86InputDriverlistFromConfig())) {
            xf86LoadModules(modulelist, NULL);
            free(modulelist);
        }

        /*
         * It is expected that xf86AddDriver()/xf86AddInputDriver will be
         * called for each driver as it is loaded.  Those functions save the
         * module pointers for drivers.
         * XXX Nothing keeps track of them for other modules.
         */
        /* XXX What do we do if not all of these could be loaded? */

        /*
         * At this point, xf86DriverList[] is all filled in with entries for
         * each of the drivers to try and xf86NumDrivers has the number of
         * drivers.  If there are none, return now.
         */

        if (xf86NumDrivers == 0) {
            xf86Msg(X_ERROR, "No drivers available.\n");
            return;
        }

        /*
         * Call each of the Identify functions and call the driverFunc to check
         * if HW access is required.  The Identify functions print out some
         * identifying information, and anything else that might be
         * needed at this early stage.
         */

        for (i = 0; i < xf86NumDrivers; i++) {
            if (xf86DriverList[i]->Identify != NULL)
                xf86DriverList[i]->Identify(0);

            if (!xorgHWAccess || !xorgHWOpenConsole) {
                xorgHWFlags flags;
                if(!xf86DriverList[i]->driverFunc
                        || !xf86DriverList[i]->driverFunc(NULL,
                                GET_REQUIRED_HW_INTERFACES,
                                &flags))
                    flags = HW_IO;

                if(NEED_IO_ENABLED(flags))
                    xorgHWAccess = TRUE;
                if(!(flags & HW_SKIP_CONSOLE))
                    xorgHWOpenConsole = TRUE;
            }
        }

        if (xorgHWOpenConsole)
            xf86OpenConsole();
        else
            xf86Info.dontVTSwitch = TRUE;

        if (xf86BusConfig() == FALSE)
            return;

        xf86PostProbe();

        /*
         * Sort the drivers to match the requested ording.  Using a slow
         * bubble sort.
         */
        for (j = 0; j < xf86NumScreens - 1; j++) {
            for (i = 0; i < xf86NumScreens - j - 1; i++) {
                if (xf86Screens[i + 1]->confScreen->screennum <
                        xf86Screens[i]->confScreen->screennum) {
                    ScrnInfoPtr tmpScrn = xf86Screens[i + 1];
                    xf86Screens[i + 1] = xf86Screens[i];
                    xf86Screens[i] = tmpScrn;
                }
            }
        }
        /* Fix up the indexes */
        for (i = 0; i < xf86NumScreens; i++) {
            xf86Screens[i]->scrnIndex = i;
        }

        /*
         * Call the driver's PreInit()'s to complete initialisation for the first
         * generation.
         */

        for (i = 0; i < xf86NumScreens; i++) {
            xf86VGAarbiterScrnInit(xf86Screens[i]);
            xf86VGAarbiterLock(xf86Screens[i]);
            if (xf86Screens[i]->PreInit &&
                    xf86Screens[i]->PreInit(xf86Screens[i], 0))
                xf86Screens[i]->configured = TRUE;
            xf86VGAarbiterUnlock(xf86Screens[i]);
        }
        for (i = 0; i < xf86NumScreens; i++)
            if (!xf86Screens[i]->configured)
                xf86DeleteScreen(i--, 0);

        /*
         * If no screens left, return now.
         */

        if (xf86NumScreens == 0) {
            xf86Msg(X_ERROR,
                    "Screen(s) found, but none have a usable configuration.\n");
            return;
        }

        for (i = 0; i < xf86NumScreens; i++) {
            if (xf86Screens[i]->name == NULL) {
                XNFasprintf(&xf86Screens[i]->name, "screen%d", i);
                xf86MsgVerb(X_WARNING, 0,
                            "Screen driver %d has no name set, using `%s'.\n",
                            i, xf86Screens[i]->name);
            }
        }

        /* Remove (unload) drivers that are not required */
        for (i = 0; i < xf86NumDrivers; i++)
            if (xf86DriverList[i] && xf86DriverList[i]->refCount <= 0)
                xf86DeleteDriver(i);

        /*
         * At this stage we know how many screens there are.
         */

        for (i = 0; i < xf86NumScreens; i++)
            xf86InitViewport(xf86Screens[i]);

        /*
         * Collect all pixmap formats and check for conflicts at the display
         * level.  Should we die here?  Or just delete the offending screens?
         */
        screenpix24 = Pix24DontCare;
        for (i = 0; i < xf86NumScreens; i++) {
            if (xf86Screens[i]->imageByteOrder !=
                    xf86Screens[0]->imageByteOrder)
                FatalError("Inconsistent display bitmapBitOrder.  Exiting\n");
            if (xf86Screens[i]->bitmapScanlinePad !=
                    xf86Screens[0]->bitmapScanlinePad)
                FatalError("Inconsistent display bitmapScanlinePad.  Exiting\n");
            if (xf86Screens[i]->bitmapScanlineUnit !=
                    xf86Screens[0]->bitmapScanlineUnit)
                FatalError("Inconsistent display bitmapScanlineUnit.  Exiting\n");
            if (xf86Screens[i]->bitmapBitOrder !=
                    xf86Screens[0]->bitmapBitOrder)
                FatalError("Inconsistent display bitmapBitOrder.  Exiting\n");

            /* Determine the depth 24 pixmap format the screens would like */
            if (xf86Screens[i]->pixmap24 != Pix24DontCare) {
                if (screenpix24 == Pix24DontCare)
                    screenpix24 = xf86Screens[i]->pixmap24;
                else if (screenpix24 != xf86Screens[i]->pixmap24)
                    FatalError("Inconsistent depth 24 pixmap format.  Exiting\n");
            }
        }
        /* check if screenpix24 is consistent with the config/cmdline */
        if (xf86Info.pixmap24 != Pix24DontCare) {
            pix24 = xf86Info.pixmap24;
            pix24From = xf86Info.pix24From;
            if (screenpix24 != Pix24DontCare && screenpix24 != xf86Info.pixmap24)
                pix24Fail = TRUE;
        } else if (screenpix24 != Pix24DontCare) {
            pix24 = screenpix24;
            pix24From = X_PROBED;
        } else
            pix24 = Pix24Use32;

        if (pix24Fail)
            FatalError("Screen(s) can't use the required depth 24 pixmap format"
                       " (%d).  Exiting\n", PIX24TOBPP(pix24));

        /* Initialise the depth 24 format */
        for (j = 0; j < numFormats && formats[j].depth != 24; j++)
            ;
        formats[j].bitsPerPixel = PIX24TOBPP(pix24);

        /* Collect additional formats */
        for (i = 0; i < xf86NumScreens; i++) {
            for (j = 0; j < xf86Screens[i]->numFormats; j++) {
                for (k = 0; ; k++) {
                    if (k >= numFormats) {
                        if (k >= MAXFORMATS)
                            FatalError("Too many pixmap formats!  Exiting\n");
                        formats[k] = xf86Screens[i]->formats[j];
                        numFormats++;
                        break;
                    }
                    if (formats[k].depth == xf86Screens[i]->formats[j].depth) {
                        if ((formats[k].bitsPerPixel ==
                                xf86Screens[i]->formats[j].bitsPerPixel) &&
                                (formats[k].scanlinePad ==
                                 xf86Screens[i]->formats[j].scanlinePad))
                            break;
                        FatalError("Inconsistent pixmap format for depth %d."
                                   "  Exiting\n", formats[k].depth);
                    }
                }
            }
        }
        formatsDone = TRUE;

        if (xf86Info.vtno >= 0 ) {
#define VT_ATOM_NAME         "XFree86_VT"
            Atom VTAtom=-1;
            CARD32  *VT = NULL;
            int  ret;

            /* This memory needs to stay available until the screen has been
            initialized, and we can create the property for real.
                */
            if ( (VT = malloc(sizeof(CARD32)))==NULL ) {
                FatalError("Unable to make VT property - out of memory. Exiting...\n");
            }
            *VT = xf86Info.vtno;

            VTAtom = MakeAtom(VT_ATOM_NAME, sizeof(VT_ATOM_NAME) - 1, TRUE);

            for (i = 0, ret = Success; i < xf86NumScreens && ret == Success; i++) {
                ret = xf86RegisterRootWindowProperty(xf86Screens[i]->scrnIndex,
                                                     VTAtom, XA_INTEGER, 32,
                                                     1, VT );
                if (ret != Success)
                    xf86DrvMsg(xf86Screens[i]->scrnIndex, X_WARNING,
                               "Failed to register VT property\n");
            }
        }

        if (SeatId) {
            Atom SeatAtom;

            SeatAtom = MakeAtom(SEAT_ATOM_NAME, sizeof(SEAT_ATOM_NAME) - 1, TRUE);

            for (i = 0; i < xf86NumScreens; i++) {
                int ret;

                ret = xf86RegisterRootWindowProperty(xf86Screens[i]->scrnIndex,
                                                     SeatAtom, XA_STRING, 8,
                                                     strlen(SeatId)+1, SeatId );
                if (ret != Success) {
                    xf86DrvMsg(xf86Screens[i]->scrnIndex, X_WARNING,
                               "Failed to register seat property\n");
                }
            }
        }

        /* If a screen uses depth 24, show what the pixmap format is */
        for (i = 0; i < xf86NumScreens; i++) {
            if (xf86Screens[i]->depth == 24) {
                xf86Msg(pix24From, "Depth 24 pixmap format is %d bpp\n",
                        PIX24TOBPP(pix24));
                break;
            }
        }
    } else {
        /*
         * serverGeneration != 1; some OSs have to do things here, too.
         */
        if (xorgHWOpenConsole)
            xf86OpenConsole();

#ifdef XF86PM
        /*
          should we reopen it here? We need to deal with an already opened
          device. We could leave this to the OS layer. For now we simply
          close it here
        */
        if (xf86OSPMClose)
            xf86OSPMClose();
        if ((xf86OSPMClose = xf86OSPMOpen()) != NULL)
            xf86MsgVerb(X_INFO, 3, "APM registered successfully\n");
#endif

        /* Make sure full I/O access is enabled */
        if (xorgHWAccess)
            xf86EnableIO();
    }

    /*
     * Use the previously collected parts to setup pScreenInfo
     */

    pScreenInfo->imageByteOrder = xf86Screens[0]->imageByteOrder;
    pScreenInfo->bitmapScanlinePad = xf86Screens[0]->bitmapScanlinePad;
    pScreenInfo->bitmapScanlineUnit = xf86Screens[0]->bitmapScanlineUnit;
    pScreenInfo->bitmapBitOrder = xf86Screens[0]->bitmapBitOrder;
    pScreenInfo->numPixmapFormats = numFormats;
    for (i = 0; i < numFormats; i++)
        pScreenInfo->formats[i] = formats[i];

    /* Make sure the server's VT is active */

    if (serverGeneration != 1) {
        xf86Resetting = TRUE;
        /* All screens are in the same state, so just check the first */
        if (!xf86Screens[0]->vtSema) {
#ifdef HAS_USL_VTS
            ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ);
#endif
            xf86AccessEnter();
            was_blocked = xf86BlockSIGIO();
        }
    }

    for (i = 0; i < xf86NumScreens; i++)
        if (!xf86ColormapAllocatePrivates(xf86Screens[i]))
            FatalError("Cannot register DDX private keys");

    if (!dixRegisterPrivateKey(&xf86ScreenKeyRec, PRIVATE_SCREEN, 0) ||
            !dixRegisterPrivateKey(&xf86CreateRootWindowKeyRec, PRIVATE_SCREEN, 0))
        FatalError("Cannot register DDX private keys");

    for (i = 0; i < xf86NumScreens; i++) {
        xf86VGAarbiterLock(xf86Screens[i]);
        /*
         * Almost everything uses these defaults, and many of those that
         * don't, will wrap them.
         */
        xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess;
#ifdef XFreeXDGA
        xf86Screens[i]->SetDGAMode = xf86SetDGAMode;
#endif
        xf86Screens[i]->DPMSSet = NULL;
        xf86Screens[i]->LoadPalette = NULL;
        xf86Screens[i]->SetOverscan = NULL;
        xf86Screens[i]->DriverFunc = NULL;
        xf86Screens[i]->pScreen = NULL;
        scr_index = AddScreen(xf86Screens[i]->ScreenInit, argc, argv);
        xf86VGAarbiterUnlock(xf86Screens[i]);
        if (scr_index == i) {
            /*
             * Hook in our ScrnInfoRec, and initialise some other pScreen
             * fields.
             */
            dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates,
                          xf86ScreenKey, xf86Screens[i]);
            xf86Screens[i]->pScreen = screenInfo.screens[scr_index];
            /* The driver should set this, but make sure it is set anyway */
            xf86Screens[i]->vtSema = TRUE;
        } else {
            /* This shouldn't normally happen */
            FatalError("AddScreen/ScreenInit failed for driver %d\n", i);
        }

        DebugF("InitOutput - xf86Screens[%d]->pScreen = %p\n",
               i, xf86Screens[i]->pScreen );
        DebugF("xf86Screens[%d]->pScreen->CreateWindow = %p\n",
               i, xf86Screens[i]->pScreen->CreateWindow );

        dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates,
                      xf86CreateRootWindowKey,
                      xf86Screens[i]->pScreen->CreateWindow);
        xf86Screens[i]->pScreen->CreateWindow = xf86CreateRootWindow;

        if (PictureGetSubpixelOrder (xf86Screens[i]->pScreen) == SubPixelUnknown)
        {
            xf86MonPtr DDC = (xf86MonPtr)(xf86Screens[i]->monitor->DDC);
            PictureSetSubpixelOrder (xf86Screens[i]->pScreen,
                                     DDC ?
                                     (DDC->features.input_type ?
                                      SubPixelHorizontalRGB : SubPixelNone) :
                                     SubPixelUnknown);
        }
#ifdef RANDR
        if (!xf86Info.disableRandR)
            xf86RandRInit (screenInfo.screens[scr_index]);
        xf86Msg(xf86Info.randRFrom, "RandR %s\n",
                xf86Info.disableRandR ? "disabled" : "enabled");
#endif
    }

    xf86VGAarbiterWrapFunctions();
    xf86UnblockSIGIO(was_blocked);

    xf86InitOrigins();

    xf86Resetting = FALSE;
    xf86Initialising = FALSE;

    RegisterBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA, xf86Wakeup,
                                   NULL);
}
示例#5
0
void
glamor_init_finish_access_shaders(ScreenPtr screen)
{
    glamor_screen_private *glamor_priv;
    const char *vs_source =
        "attribute vec4 v_position;\n"
        "attribute vec4 v_texcoord0;\n"
        "varying vec2 source_texture;\n"
        "void main()\n"
        "{\n"
        "	gl_Position = v_position;\n"
        "	source_texture = v_texcoord0.xy;\n"
        "}\n";

    const char *common_source =
        GLAMOR_DEFAULT_PRECISION
        "varying vec2 source_texture;\n"
        "uniform sampler2D sampler;\n"
        "uniform int revert;\n"
        "uniform int swap_rb;\n"
        "#define REVERT_NONE       			0\n"
        "#define REVERT_NORMAL     			1\n"
        "#define SWAP_NONE_DOWNLOADING  		0\n"
        "#define SWAP_DOWNLOADING  			1\n"
        "#define SWAP_UPLOADING	  		2\n"
        "#define SWAP_NONE_UPLOADING		3\n";

    const char *fs_source =
        "void main()\n"
        "{\n"
        "   if (revert == REVERT_NONE) \n"
        "    { \n"
        "     if ((swap_rb != SWAP_NONE_DOWNLOADING) && (swap_rb != SWAP_NONE_UPLOADING))   \n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).bgra;\n"
        "     else \n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).rgba;\n"
        "    } \n"
        "   else \n"
        "    { \n"
        "     if (swap_rb == SWAP_DOWNLOADING)   \n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).argb;\n"
        "     else if (swap_rb == SWAP_NONE_DOWNLOADING)\n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).abgr;\n"
        "     else if (swap_rb == SWAP_UPLOADING)\n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).gbar;\n"
        "     else if (swap_rb == SWAP_NONE_UPLOADING)\n"
        "	  	gl_FragColor = texture2D(sampler, source_texture).abgr;\n"
        "    } \n"
        "}\n";

    const char *set_alpha_source =
        "void main()\n"
        "{\n"
        "   if (revert == REVERT_NONE) \n"
        "    { \n"
        "     if ((swap_rb != SWAP_NONE_DOWNLOADING) && (swap_rb != SWAP_NONE_UPLOADING))   \n"
        "	  	gl_FragColor = vec4(texture2D(sampler, source_texture).bgr, 1);\n"
        "     else \n"
        "	  	gl_FragColor = vec4(texture2D(sampler, source_texture).rgb, 1);\n"
        "    } \n"
        "   else \n"
        "    { \n"
        "     if (swap_rb == SWAP_DOWNLOADING)   \n"
        "	  	gl_FragColor = vec4(1, texture2D(sampler, source_texture).rgb);\n"
        "     else if (swap_rb == SWAP_NONE_DOWNLOADING)\n"
        "	  	gl_FragColor = vec4(1, texture2D(sampler, source_texture).bgr);\n"
        "     else if (swap_rb == SWAP_UPLOADING)\n"
        "	  	gl_FragColor = vec4(texture2D(sampler, source_texture).gba, 1);\n"
        "     else if (swap_rb == SWAP_NONE_UPLOADING)\n"
        "	  	gl_FragColor = vec4(texture2D(sampler, source_texture).abg, 1);\n"
        "    } \n"
        "}\n";
    GLint fs_prog, vs_prog, avs_prog, set_alpha_prog;
    GLint sampler_uniform_location;
    char *source;

    glamor_priv = glamor_get_screen_private(screen);
    glamor_get_context(glamor_priv);
    glamor_priv->finish_access_prog[0] = glCreateProgram();
    glamor_priv->finish_access_prog[1] = glCreateProgram();

    vs_prog = glamor_compile_glsl_prog(GL_VERTEX_SHADER, vs_source);

    XNFasprintf(&source, "%s%s", common_source, fs_source);
    fs_prog = glamor_compile_glsl_prog(GL_FRAGMENT_SHADER, source);
    free(source);

    glAttachShader(glamor_priv->finish_access_prog[0], vs_prog);
    glAttachShader(glamor_priv->finish_access_prog[0], fs_prog);

    avs_prog = glamor_compile_glsl_prog(GL_VERTEX_SHADER, vs_source);

    XNFasprintf(&source, "%s%s", common_source, set_alpha_source);
    set_alpha_prog = glamor_compile_glsl_prog(GL_FRAGMENT_SHADER,
                                              source);
    free(source);

    glAttachShader(glamor_priv->finish_access_prog[1], avs_prog);
    glAttachShader(glamor_priv->finish_access_prog[1], set_alpha_prog);

    glBindAttribLocation(glamor_priv->finish_access_prog[0],
                         GLAMOR_VERTEX_POS, "v_position");
    glBindAttribLocation(glamor_priv->finish_access_prog[0],
                         GLAMOR_VERTEX_SOURCE, "v_texcoord0");
    glamor_link_glsl_prog(glamor_priv->finish_access_prog[0]);

    glBindAttribLocation(glamor_priv->finish_access_prog[1],
                         GLAMOR_VERTEX_POS, "v_position");
    glBindAttribLocation(glamor_priv->finish_access_prog[1],
                         GLAMOR_VERTEX_SOURCE, "v_texcoord0");
    glamor_link_glsl_prog(glamor_priv->finish_access_prog[1]);

    glamor_priv->finish_access_revert[0] =
        glGetUniformLocation(glamor_priv->finish_access_prog[0], "revert");

    glamor_priv->finish_access_swap_rb[0] =
        glGetUniformLocation(glamor_priv->finish_access_prog[0], "swap_rb");
    sampler_uniform_location =
        glGetUniformLocation(glamor_priv->finish_access_prog[0], "sampler");
    glUseProgram(glamor_priv->finish_access_prog[0]);
    glUniform1i(sampler_uniform_location, 0);
    glUniform1i(glamor_priv->finish_access_revert[0], 0);
    glUniform1i(glamor_priv->finish_access_swap_rb[0], 0);
    glUseProgram(0);

    glamor_priv->finish_access_revert[1] =
        glGetUniformLocation(glamor_priv->finish_access_prog[1], "revert");
    glamor_priv->finish_access_swap_rb[1] =
        glGetUniformLocation(glamor_priv->finish_access_prog[1], "swap_rb");
    sampler_uniform_location =
        glGetUniformLocation(glamor_priv->finish_access_prog[1], "sampler");
    glUseProgram(glamor_priv->finish_access_prog[1]);
    glUniform1i(glamor_priv->finish_access_revert[1], 0);
    glUniform1i(sampler_uniform_location, 0);
    glUniform1i(glamor_priv->finish_access_swap_rb[1], 0);
    glUseProgram(0);
    glamor_put_context(glamor_priv);
}