Ejemplo n.º 1
0
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
    if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
    {
        const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display,
                                                monitor->x11.crtc);
        XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display,
                                              monitor->x11.crtc);

        _glfwAllocGammaArrays(ramp, size);

        memcpy(ramp->red, gamma->red, size * sizeof(unsigned short));
        memcpy(ramp->green, gamma->green, size * sizeof(unsigned short));
        memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short));

        XRRFreeGamma(gamma);
    }
#if defined(_GLFW_HAS_XF86VM)
    else if (_glfw.x11.vidmode.available)
    {
        int size;
        XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size);

        _glfwAllocGammaArrays(ramp, size);

        XF86VidModeGetGammaRamp(_glfw.x11.display,
                                _glfw.x11.screen,
                                ramp->size, ramp->red, ramp->green, ramp->blue);
    }
#endif /*_GLFW_HAS_XF86VM*/
}
Ejemplo n.º 2
0
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
    if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
    {
        if (XRRGetCrtcGammaSize(_glfw.x11.display, monitor->x11.crtc) != ramp->size)
        {
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: Gamma ramp size must match current ramp size");
            return;
        }

        XRRCrtcGamma* gamma = XRRAllocGamma(ramp->size);

        memcpy(gamma->red,   ramp->red,   ramp->size * sizeof(unsigned short));
        memcpy(gamma->green, ramp->green, ramp->size * sizeof(unsigned short));
        memcpy(gamma->blue,  ramp->blue,  ramp->size * sizeof(unsigned short));

        XRRSetCrtcGamma(_glfw.x11.display, monitor->x11.crtc, gamma);
        XRRFreeGamma(gamma);
    }
    else if (_glfw.x11.vidmode.available)
    {
        XF86VidModeSetGammaRamp(_glfw.x11.display,
                                _glfw.x11.screen,
                                ramp->size,
                                (unsigned short*) ramp->red,
                                (unsigned short*) ramp->green,
                                (unsigned short*) ramp->blue);
    }
    else
    {
        _glfwInputError(GLFW_PLATFORM_ERROR,
                        "X11: Gamma ramp access not supported by server");
    }
}
Ejemplo n.º 3
0
void
UpdateHardwareGamma(void)
{
	float gamma = (vid_gamma->value);
	int i;

	Display* dpy = NULL;
	SDL_SysWMinfo info;

#if SDL_VERSION_ATLEAST(2, 0, 0)
	SDL_VERSION(&info.version);
	if(!SDL_GetWindowWMInfo(window, &info))
#else
	if(SDL_GetWMInfo(&info) != 1)
#endif
	{
		VID_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
		return;
	}

	dpy = info.info.x11.display;

	XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
	if(res == NULL)
	{
		VID_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
		return;
	}

	for(i=0; i < res->ncrtc; ++i)
	{
		int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
		size_t rampSize = len*sizeof(Uint16);
		Uint16* ramp = malloc(rampSize); // TODO: check for NULL
		if(ramp == NULL)
		{
			VID_Printf(PRINT_ALL, "Couldn't allocate &zd byte of memory for gamma ramp - OOM?!\n", rampSize);
			return;
		}

		CalculateGammaRamp(gamma, ramp, len);

		XRRCrtcGamma* gamma = XRRAllocGamma(len);

		memcpy(gamma->red, ramp, rampSize);
		memcpy(gamma->green, ramp, rampSize);
		memcpy(gamma->blue, ramp, rampSize);

		free(ramp);

		XRRSetCrtcGamma(dpy, res->crtcs[i], gamma);

		XRRFreeGamma(gamma);
	}

	XRRFreeScreenResources(res);
}
Ejemplo n.º 4
0
static void RestoreGamma()
{
	int i=0;
	SDL_SysWMinfo info;
	Display* dpy = NULL;

	if(gammaRamps == NULL)
			return;

#if SDL_VERSION_ATLEAST(2, 0, 0)
	SDL_VERSION(&info.version);
	if(!SDL_GetWindowWMInfo(window, &info))
#else
	if(SDL_GetWMInfo(&info) != 1)
#endif
	{
		VID_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
		return;
	}

	dpy = info.info.x11.display;

	XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
	if(res == NULL)
	{
		VID_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
		return;
	}

	for(i=0; i < noGammaRamps; ++i)
	{
		// in case a display was unplugged or something, noGammaRamps may be > res->ncrtc
		if(i < res->ncrtc)
		{
			int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
			if(len != gammaRamps[i]->size) {
				VID_Printf(PRINT_ALL, "WTF, gamma ramp size for display %d has changed from %d to %d!\n",
							   i, gammaRamps[i]->size, len);

				continue;
			}

			XRRSetCrtcGamma(dpy, res->crtcs[i], gammaRamps[i]);
		}

		// the ramp needs to be free()d either way
		XRRFreeGamma(gammaRamps[i]);
		gammaRamps[i] = NULL;

	}
	XRRFreeScreenResources(res);
	free(gammaRamps);
	gammaRamps = NULL;

	VID_Printf(PRINT_ALL, "Restored original Gamma\n");
}
Ejemplo n.º 5
0
Archivo: sct.c Proyecto: kaiaie/sct
int
main(int argc, char **argv)
{
	Display *dpy = XOpenDisplay(NULL);
	int screen = DefaultScreen(dpy);
	Window root = RootWindow(dpy, screen);

	XRRScreenResources *res = XRRGetScreenResourcesCurrent(dpy, root);

	int temp = 6500;
	if (argc > 1)
		temp = atoi(argv[1]);
	if (temp < 1000 || temp > 10000)
		temp = 6500;

	temp -= 1000;
	double ratio = temp % 500 / 500.0;
#define AVG(c) whitepoints[temp / 500].c * (1 - ratio) + whitepoints[temp / 500 + 1].c * ratio
	double gammar = AVG(r);
	double gammag = AVG(g);
	double gammab = AVG(b);

	int num_crtcs = res->ncrtc;
	for (int c = 0; c < num_crtcs; c++) {
		int crtcxid = res->crtcs[c];
		int size = XRRGetCrtcGammaSize(dpy, crtcxid);

		XRRCrtcGamma *crtc_gamma = XRRAllocGamma(size);

		for (int i = 0; i < size; i++) {
			double g = 65535.0 * i / size;
			crtc_gamma->red[i] = g * gammar;
			crtc_gamma->green[i] = g * gammag;
			crtc_gamma->blue[i] = g * gammab;
		}
		XRRSetCrtcGamma(dpy, crtcxid, crtc_gamma);
		size = XRRGetCrtcGammaSize(dpy, crtcxid);
		XFree(crtc_gamma);
	}
}
Ejemplo n.º 6
0
// Detect gamma ramp support
//
void _glfwInitGammaRamp(void) {
    // RandR gamma support is only available with version 1.2 and above
    if (_glfw.x11.randr.available &&
        (_glfw.x11.randr.versionMajor > 1 ||
         (_glfw.x11.randr.versionMajor == 1 &&
          _glfw.x11.randr.versionMinor >= 2))) {
        // FIXME: Assumes that all monitors have the same size gamma tables
        // This is reasonable as I suspect the that if they did differ, it
        // would imply that setting the gamma size to an arbitary size is
        // possible as well.
        XRRScreenResources *rr = XRRGetScreenResources(_glfw.x11.display,
                                                       _glfw.x11.root);

        if (XRRGetCrtcGammaSize(_glfw.x11.display, rr->crtcs[0]) == 0) {
            // This is probably older Nvidia RandR with broken gamma support
            // Flag it as useless and try Xf86VidMode below, if available
            _glfw.x11.randr.gammaBroken = GL_TRUE;
        }

        XRRFreeScreenResources(rr);
    }
}
Ejemplo n.º 7
0
GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
    if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
    {
        const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display,
                                                monitor->x11.crtc);
        XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display,
                                              monitor->x11.crtc);

        _glfwAllocGammaArrays(ramp, size);

        memcpy(ramp->red,   gamma->red,   size * sizeof(unsigned short));
        memcpy(ramp->green, gamma->green, size * sizeof(unsigned short));
        memcpy(ramp->blue,  gamma->blue,  size * sizeof(unsigned short));

        XRRFreeGamma(gamma);
        return GLFW_TRUE;
    }
    else if (_glfw.x11.vidmode.available)
    {
        int size;
        XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size);

        _glfwAllocGammaArrays(ramp, size);

        XF86VidModeGetGammaRamp(_glfw.x11.display,
                                _glfw.x11.screen,
                                ramp->size, ramp->red, ramp->green, ramp->blue);
        return GLFW_TRUE;
    }
    else
    {
        _glfwInputError(GLFW_PLATFORM_ERROR,
                        "X11: Gamma ramp access not supported by server");
        return GLFW_FALSE;
    }
}
JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_Xrandr_nXRRGetCrtcGammaSize(JNIEnv *__env, jclass clazz, jlong displayAddress, jlong crtc) {
	Display *display = (Display *)(intptr_t)displayAddress;
	UNUSED_PARAMS(__env, clazz)
	return (jint)XRRGetCrtcGammaSize(display, (RRCrtc)crtc);
}
Ejemplo n.º 9
0
Archivo: x11_init.c Proyecto: jku/glfw
// Initialize X11 display and look for supported X11 extensions
//
static GLFWbool initExtensions(void)
{
    // Find or create window manager atoms
    _glfw.x11.WM_PROTOCOLS = XInternAtom(_glfw.x11.display,
                                         "WM_PROTOCOLS",
                                         False);
    _glfw.x11.WM_STATE = XInternAtom(_glfw.x11.display, "WM_STATE", False);
    _glfw.x11.WM_DELETE_WINDOW = XInternAtom(_glfw.x11.display,
                                             "WM_DELETE_WINDOW",
                                             False);
    _glfw.x11.MOTIF_WM_HINTS = XInternAtom(_glfw.x11.display,
                                           "_MOTIF_WM_HINTS",
                                           False);

#if defined(_GLFW_HAS_XF86VM)
    // Check for XF86VidMode extension
    _glfw.x11.vidmode.available =
        XF86VidModeQueryExtension(_glfw.x11.display,
                                  &_glfw.x11.vidmode.eventBase,
                                  &_glfw.x11.vidmode.errorBase);
#endif /*_GLFW_HAS_XF86VM*/

    // Check for RandR extension
    if (XRRQueryExtension(_glfw.x11.display,
                          &_glfw.x11.randr.eventBase,
                          &_glfw.x11.randr.errorBase))
    {
        if (XRRQueryVersion(_glfw.x11.display,
                            &_glfw.x11.randr.major,
                            &_glfw.x11.randr.minor))
        {
            // The GLFW RandR path requires at least version 1.3
            if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3)
                _glfw.x11.randr.available = GLFW_TRUE;
        }
        else
        {
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: Failed to query RandR version");
        }
    }

    if (_glfw.x11.randr.available)
    {
        XRRScreenResources* sr = XRRGetScreenResources(_glfw.x11.display,
                                                       _glfw.x11.root);

        if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0]))
        {
            // This is either a headless system or an older Nvidia binary driver
            // with broken gamma support
            // Flag it as useless and fall back to Xf86VidMode gamma, if
            // available
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: RandR gamma ramp support seems broken");
            _glfw.x11.randr.gammaBroken = GLFW_TRUE;
        }

        XRRFreeScreenResources(sr);

        XRRSelectInput(_glfw.x11.display, _glfw.x11.root,
                       RROutputChangeNotifyMask);
    }

    if (XineramaQueryExtension(_glfw.x11.display,
                               &_glfw.x11.xinerama.major,
                               &_glfw.x11.xinerama.minor))
    {
        if (XineramaIsActive(_glfw.x11.display))
            _glfw.x11.xinerama.available = GLFW_TRUE;
    }

#if defined(_GLFW_HAS_XINPUT)
    if (XQueryExtension(_glfw.x11.display,
                        "XInputExtension",
                        &_glfw.x11.xi.majorOpcode,
                        &_glfw.x11.xi.eventBase,
                        &_glfw.x11.xi.errorBase))
    {
        _glfw.x11.xi.major = 2;
        _glfw.x11.xi.minor = 0;

        if (XIQueryVersion(_glfw.x11.display,
                           &_glfw.x11.xi.major,
                           &_glfw.x11.xi.minor) != BadRequest)
        {
            _glfw.x11.xi.available = GLFW_TRUE;
        }
    }
#endif /*_GLFW_HAS_XINPUT*/

    // Check if Xkb is supported on this display
    _glfw.x11.xkb.major = 1;
    _glfw.x11.xkb.minor = 0;
    _glfw.x11.xkb.available =
        XkbQueryExtension(_glfw.x11.display,
                          &_glfw.x11.xkb.majorOpcode,
                          &_glfw.x11.xkb.eventBase,
                          &_glfw.x11.xkb.errorBase,
                          &_glfw.x11.xkb.major,
                          &_glfw.x11.xkb.minor);

    if (_glfw.x11.xkb.available)
    {
        Bool supported;

        if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
        {
            if (supported)
                _glfw.x11.xkb.detectable = GLFW_TRUE;
        }
    }

    // Update the key code LUT
    // FIXME: We should listen to XkbMapNotify events to track changes to
    // the keyboard mapping.
    createKeyTables();

    // Detect whether an EWMH-conformant window manager is running
    detectEWMH();

    // Find or create string format atoms
    _glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False);
    _glfw.x11.UTF8_STRING =
        XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
    _glfw.x11.COMPOUND_STRING =
        XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False);
    _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);

    // Find or create selection property atom
    _glfw.x11.GLFW_SELECTION =
        XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);

    // Find or create standard clipboard atoms
    _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
    _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
    _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);

    // Find or create clipboard manager atoms
    _glfw.x11.CLIPBOARD_MANAGER =
        XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
    _glfw.x11.SAVE_TARGETS =
        XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);

    // Find Xdnd (drag and drop) atoms, if available
    _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", True);
    _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", True);
    _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", True);
    _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", True);
    _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", True);
    _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", True);
    _glfw.x11.XdndLeave = XInternAtom(_glfw.x11.display, "XdndLeave", True);
    _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", True);
    _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", True);

    return GLFW_TRUE;
}
Ejemplo n.º 10
0
static gboolean
crtc_initialize (MateRRCrtc        *crtc,
		 XRRScreenResources *res,
		 GError            **error)
{
    XRRCrtcInfo *info = XRRGetCrtcInfo (DISPLAY (crtc), res, crtc->id);
    GPtrArray *a;
    int i;
    
#if 0
    g_print ("CRTC %lx Timestamp: %u\n", crtc->id, (guint32)info->timestamp);
#endif
    
    if (!info)
    {
	/* FIXME: We need to reaquire the screen resources */
	/* FIXME: can we actually catch BadRRCrtc, and does it make sense to emit that? */

	/* Translators: CRTC is a CRT Controller (this is X terminology).
	 * It is *very* unlikely that you'll ever get this error, so it is
	 * only listed for completeness. */
	g_set_error (error, MATE_RR_ERROR, MATE_RR_ERROR_RANDR_ERROR,
		     _("could not get information about CRTC %d"),
		     (int) crtc->id);
	return FALSE;
    }
    
    /* MateRRMode */
    crtc->current_mode = mode_by_id (crtc->info, info->mode);
    
    crtc->x = info->x;
    crtc->y = info->y;
    
    /* Current outputs */
    a = g_ptr_array_new ();
    for (i = 0; i < info->noutput; ++i)
    {
	MateRROutput *output = mate_rr_output_by_id (crtc->info, info->outputs[i]);
	
	if (output)
	    g_ptr_array_add (a, output);
    }
    g_ptr_array_add (a, NULL);
    crtc->current_outputs = (MateRROutput **)g_ptr_array_free (a, FALSE);
    
    /* Possible outputs */
    a = g_ptr_array_new ();
    for (i = 0; i < info->npossible; ++i)
    {
	MateRROutput *output = mate_rr_output_by_id (crtc->info, info->possible[i]);
	
	if (output)
	    g_ptr_array_add (a, output);
    }
    g_ptr_array_add (a, NULL);
    crtc->possible_outputs = (MateRROutput **)g_ptr_array_free (a, FALSE);
    
    /* Rotations */
    crtc->current_rotation = mate_rr_rotation_from_xrotation (info->rotation);
    crtc->rotations = mate_rr_rotation_from_xrotation (info->rotations);
    
    XRRFreeCrtcInfo (info);

    /* get an store gamma size */
    crtc->gamma_size = XRRGetCrtcGammaSize (DISPLAY (crtc), crtc->id);

    return TRUE;
}
Ejemplo n.º 11
0
// Look for and initialize supported X11 extensions
//
static GLFWbool initExtensions(void)
{
    _glfw.x11.vidmode.handle = _glfw_dlopen("libXxf86vm.so.1");
    if (_glfw.x11.vidmode.handle)
    {
        _glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension)
            _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension");
        _glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp)
            _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp");
        _glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp)
            _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp");
        _glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize)
            _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRampSize");

        _glfw.x11.vidmode.available =
            XF86VidModeQueryExtension(_glfw.x11.display,
                                      &_glfw.x11.vidmode.eventBase,
                                      &_glfw.x11.vidmode.errorBase);
    }

#if defined(__CYGWIN__)
    _glfw.x11.xi.handle = _glfw_dlopen("libXi-6.so");
#else
    _glfw.x11.xi.handle = _glfw_dlopen("libXi.so.6");
#endif
    if (_glfw.x11.xi.handle)
    {
        _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion)
            _glfw_dlsym(_glfw.x11.xi.handle, "XIQueryVersion");
        _glfw.x11.xi.SelectEvents = (PFN_XISelectEvents)
            _glfw_dlsym(_glfw.x11.xi.handle, "XISelectEvents");

        if (XQueryExtension(_glfw.x11.display,
                            "XInputExtension",
                            &_glfw.x11.xi.majorOpcode,
                            &_glfw.x11.xi.eventBase,
                            &_glfw.x11.xi.errorBase))
        {
            _glfw.x11.xi.major = 2;
            _glfw.x11.xi.minor = 0;

            if (XIQueryVersion(_glfw.x11.display,
                               &_glfw.x11.xi.major,
                               &_glfw.x11.xi.minor) == Success)
            {
                _glfw.x11.xi.available = GLFW_TRUE;
            }
        }
    }

#if defined(__CYGWIN__)
    _glfw.x11.randr.handle = _glfw_dlopen("libXrandr-2.so");
#else
    _glfw.x11.randr.handle = _glfw_dlopen("libXrandr.so.2");
#endif
    if (_glfw.x11.randr.handle)
    {
        _glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRAllocGamma");
        _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
        _glfw.x11.randr.FreeCrtcInfo = (PFN_XRRFreeCrtcInfo)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeCrtcInfo");
        _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
        _glfw.x11.randr.FreeOutputInfo = (PFN_XRRFreeOutputInfo)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeOutputInfo");
        _glfw.x11.randr.FreeScreenResources = (PFN_XRRFreeScreenResources)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeScreenResources");
        _glfw.x11.randr.GetCrtcGamma = (PFN_XRRGetCrtcGamma)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGamma");
        _glfw.x11.randr.GetCrtcGammaSize = (PFN_XRRGetCrtcGammaSize)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGammaSize");
        _glfw.x11.randr.GetCrtcInfo = (PFN_XRRGetCrtcInfo)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcInfo");
        _glfw.x11.randr.GetOutputInfo = (PFN_XRRGetOutputInfo)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputInfo");
        _glfw.x11.randr.GetOutputPrimary = (PFN_XRRGetOutputPrimary)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputPrimary");
        _glfw.x11.randr.GetScreenResourcesCurrent = (PFN_XRRGetScreenResourcesCurrent)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetScreenResourcesCurrent");
        _glfw.x11.randr.QueryExtension = (PFN_XRRQueryExtension)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryExtension");
        _glfw.x11.randr.QueryVersion = (PFN_XRRQueryVersion)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryVersion");
        _glfw.x11.randr.SelectInput = (PFN_XRRSelectInput)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRSelectInput");
        _glfw.x11.randr.SetCrtcConfig = (PFN_XRRSetCrtcConfig)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcConfig");
        _glfw.x11.randr.SetCrtcGamma = (PFN_XRRSetCrtcGamma)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcGamma");
        _glfw.x11.randr.UpdateConfiguration = (PFN_XRRUpdateConfiguration)
            _glfw_dlsym(_glfw.x11.randr.handle, "XRRUpdateConfiguration");

        if (XRRQueryExtension(_glfw.x11.display,
                              &_glfw.x11.randr.eventBase,
                              &_glfw.x11.randr.errorBase))
        {
            if (XRRQueryVersion(_glfw.x11.display,
                                &_glfw.x11.randr.major,
                                &_glfw.x11.randr.minor))
            {
                // The GLFW RandR path requires at least version 1.3
                if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3)
                    _glfw.x11.randr.available = GLFW_TRUE;
            }
            else
            {
                _glfwInputError(GLFW_PLATFORM_ERROR,
                                "X11: Failed to query RandR version");
            }
        }
    }

    if (_glfw.x11.randr.available)
    {
        XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display,
                                                              _glfw.x11.root);

        if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0]))
        {
            // This is likely an older Nvidia driver with broken gamma support
            // Flag it as useless and fall back to xf86vm gamma, if available
            _glfw.x11.randr.gammaBroken = GLFW_TRUE;
        }

        if (!sr->ncrtc)
        {
            // A system without CRTCs is likely a system with broken RandR
            // Disable the RandR monitor path and fall back to core functions
            _glfw.x11.randr.monitorBroken = GLFW_TRUE;
        }

        XRRFreeScreenResources(sr);
    }

    if (_glfw.x11.randr.available && !_glfw.x11.randr.monitorBroken)
    {
        XRRSelectInput(_glfw.x11.display, _glfw.x11.root,
                       RROutputChangeNotifyMask);
    }

#if defined(__CYGWIN__)
    _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor-1.so");
#else
    _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.so.1");
#endif
    if (_glfw.x11.xcursor.handle)
    {
        _glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate)
            _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageCreate");
        _glfw.x11.xcursor.ImageDestroy = (PFN_XcursorImageDestroy)
            _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageDestroy");
        _glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor)
            _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor");
    }

#if defined(__CYGWIN__)
    _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so");
#else
    _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.so.1");
#endif
    if (_glfw.x11.xinerama.handle)
    {
        _glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive)
            _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaIsActive");
        _glfw.x11.xinerama.QueryExtension = (PFN_XineramaQueryExtension)
            _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryExtension");
        _glfw.x11.xinerama.QueryScreens = (PFN_XineramaQueryScreens)
            _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryScreens");

        if (XineramaQueryExtension(_glfw.x11.display,
                                   &_glfw.x11.xinerama.major,
                                   &_glfw.x11.xinerama.minor))
        {
            if (XineramaIsActive(_glfw.x11.display))
                _glfw.x11.xinerama.available = GLFW_TRUE;
        }
    }

    _glfw.x11.xkb.major = 1;
    _glfw.x11.xkb.minor = 0;
    _glfw.x11.xkb.available =
        XkbQueryExtension(_glfw.x11.display,
                          &_glfw.x11.xkb.majorOpcode,
                          &_glfw.x11.xkb.eventBase,
                          &_glfw.x11.xkb.errorBase,
                          &_glfw.x11.xkb.major,
                          &_glfw.x11.xkb.minor);

    if (_glfw.x11.xkb.available)
    {
        Bool supported;

        if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
        {
            if (supported)
                _glfw.x11.xkb.detectable = GLFW_TRUE;
        }
    }

#if defined(__CYGWIN__)
    _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so");
#else
    _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.so.1");
#endif
    if (_glfw.x11.x11xcb.handle)
    {
        _glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection)
            _glfw_dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection");
    }

#if defined(__CYGWIN__)
    _glfw.x11.xrender.handle = _glfw_dlopen("libXrender-1.so");
#else
    _glfw.x11.xrender.handle = _glfw_dlopen("libXrender.so.1");
#endif
    if (_glfw.x11.xrender.handle)
    {
        _glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension)
            _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryExtension");
        _glfw.x11.xrender.QueryVersion = (PFN_XRenderQueryVersion)
            _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryVersion");
        _glfw.x11.xrender.FindVisualFormat = (PFN_XRenderFindVisualFormat)
            _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderFindVisualFormat");

        if (XRenderQueryExtension(_glfw.x11.display,
                                  &_glfw.x11.xrender.errorBase,
                                  &_glfw.x11.xrender.eventBase))
        {
            if (XRenderQueryVersion(_glfw.x11.display,
                                    &_glfw.x11.xrender.major,
                                    &_glfw.x11.xrender.minor))
            {
                _glfw.x11.xrender.available = GLFW_TRUE;
            }
        }
    }

    // Update the key code LUT
    // FIXME: We should listen to XkbMapNotify events to track changes to
    // the keyboard mapping.
    createKeyTables();

    // Detect whether an EWMH-conformant window manager is running
    detectEWMH();

    // String format atoms
    _glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False);
    _glfw.x11.UTF8_STRING = XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
    _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);

    // Custom selection property atom
    _glfw.x11.GLFW_SELECTION =
        XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);

    // ICCCM standard clipboard atoms
    _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
    _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
    _glfw.x11.PRIMARY = XInternAtom(_glfw.x11.display, "PRIMARY", False);
    _glfw.x11.INCR = XInternAtom(_glfw.x11.display, "INCR", False);
    _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);

    // Clipboard manager atoms
    _glfw.x11.CLIPBOARD_MANAGER =
        XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
    _glfw.x11.SAVE_TARGETS =
        XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);

    // Xdnd (drag and drop) atoms
    _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", False);
    _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", False);
    _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", False);
    _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", False);
    _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", False);
    _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", False);
    _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False);
    _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False);
    _glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False);
    _glfw.x11.text_uri_list = XInternAtom(_glfw.x11.display, "text/uri-list", False);

    // ICCCM, EWMH and Motif window property atoms
    // These can be set safely even without WM support
    // The EWMH atoms that require WM support are handled in detectEWMH
    _glfw.x11.WM_PROTOCOLS =
        XInternAtom(_glfw.x11.display, "WM_PROTOCOLS", False);
    _glfw.x11.WM_STATE =
        XInternAtom(_glfw.x11.display, "WM_STATE", False);
    _glfw.x11.WM_DELETE_WINDOW =
        XInternAtom(_glfw.x11.display, "WM_DELETE_WINDOW", False);
    _glfw.x11.NET_WM_ICON =
        XInternAtom(_glfw.x11.display, "_NET_WM_ICON", False);
    _glfw.x11.NET_WM_PING =
        XInternAtom(_glfw.x11.display, "_NET_WM_PING", False);
    _glfw.x11.NET_WM_PID =
        XInternAtom(_glfw.x11.display, "_NET_WM_PID", False);
    _glfw.x11.NET_WM_NAME =
        XInternAtom(_glfw.x11.display, "_NET_WM_NAME", False);
    _glfw.x11.NET_WM_ICON_NAME =
        XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False);
    _glfw.x11.NET_WM_BYPASS_COMPOSITOR =
        XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False);
    _glfw.x11.NET_WM_WINDOW_OPACITY =
        XInternAtom(_glfw.x11.display, "_NET_WM_WINDOW_OPACITY", False);
    _glfw.x11.MOTIF_WM_HINTS =
        XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False);

    // The compositing manager selection name contains the screen number
    {
        char name[32];
        snprintf(name, sizeof(name), "_NET_WM_CM_S%u", _glfw.x11.screen);
        _glfw.x11.NET_WM_CM_Sx = XInternAtom(_glfw.x11.display, name, False);
    }

    return GLFW_TRUE;
}
Ejemplo n.º 12
0
static void InitGamma()
{
#ifdef X11GAMMA
	int i=0;
	SDL_SysWMinfo info;
	Display* dpy = NULL;

	if(gammaRamps != NULL) // already saved gamma
		return;

#if SDL_VERSION_ATLEAST(2, 0, 0)
	SDL_VERSION(&info.version);
	if(!SDL_GetWindowWMInfo(window, &info))
#else
	if(SDL_GetWMInfo(&info) != 1)
#endif
	{
		VID_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
		return;
	}

	dpy = info.info.x11.display;

	XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
	if(res == NULL)
	{
		VID_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
		return;
	}

	noGammaRamps = res->ncrtc;
	gammaRamps = calloc(noGammaRamps, sizeof(XRRCrtcGamma*));
	if(gammaRamps == NULL) {
		VID_Printf(PRINT_ALL, "Couldn't allocate memory for %d gamma ramps - OOM?!\n", noGammaRamps);
		return;
	}

	for(i=0; i < noGammaRamps; ++i)
	{
		int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
		size_t rampSize = len*sizeof(Uint16);

		XRRCrtcGamma* origGamma = XRRGetCrtcGamma(dpy, res->crtcs[i]);

		XRRCrtcGamma* gammaCopy = XRRAllocGamma(len);

		memcpy(gammaCopy->red, origGamma->red, rampSize);
		memcpy(gammaCopy->green, origGamma->green, rampSize);
		memcpy(gammaCopy->blue, origGamma->blue, rampSize);

		gammaRamps[i] = gammaCopy;
	}

	XRRFreeScreenResources(res);

	VID_Printf(PRINT_ALL, "Using hardware gamma via X11/xRandR.\n");

#else
	VID_Printf(PRINT_ALL, "Using hardware gamma via SDL.\n");
#endif
	gl_state.hwgamma = true;
	vid_gamma->modified = true;
}
Ejemplo n.º 13
0
int
main (int argc, char *argv[])
{
  char in_name[256] = { '\000' };
  char tag_name[40] = { '\000' };
  int found;
  u_int16_t *r_ramp = NULL, *g_ramp = NULL, *b_ramp = NULL;
  int i;
  int clear = 0;
  int alter = 0;
  int donothing = 0;
  int printramps = 0;
  int calcloss = 0;
  int invert = 0;
  int correction = 0;
  u_int16_t tmpRampVal = 0;
  unsigned int r_res, g_res, b_res;
  int screen = -1;

#ifdef FGLRX
  unsigned
#endif
           int ramp_size = 256;

#ifndef _WIN32
  /* X11 */
  XF86VidModeGamma gamma;
  Display *dpy = NULL;
  char *displayname = NULL;
#ifdef FGLRX
  int controller = -1;
  FGLRX_X11Gamma_C16native fglrx_gammaramps;
#endif
#else
  char win_default_profile[MAX_PATH+1];
  DWORD win_profile_len;
  typedef struct _GAMMARAMP {
    WORD  Red[256];
    WORD  Green[256];
    WORD  Blue[256];
  } GAMMARAMP; 
  GAMMARAMP winGammaRamp;
  HDC hDc = NULL;
#endif

  xcalib_state.verbose = 0;

  /* begin program part */
#ifdef _WIN32
  for(i=0; i< ramp_size; i++) {
    winGammaRamp.Red[i] = i << 8;
    winGammaRamp.Blue[i] = i << 8;
    winGammaRamp.Green[i] = i << 8;
  }
#endif

  /* command line parsing */
  
#ifndef _WIN32
  if (argc < 2)
    usage ();
#endif

  for (i = 1; i < argc; ++i) {
    /* help */
    if (!strcmp (argv[i], "-h") || !strcmp (argv[i], "-help")) {
      usage ();
      exit (0);
    }
    /* verbose mode */
    if (!strcmp (argv[i], "-v") || !strcmp (argv[i], "-verbose")) {
      xcalib_state.verbose = 1;
      continue;
    }
    /* version */
    if (!strcmp (argv[i], "-version")) {
        fprintf(stdout, "xcalib " XCALIB_VERSION "\n");
        exit (0);
    }
#ifndef _WIN32
    /* X11 display */
    if (!strcmp (argv[i], "-d") || !strcmp (argv[i], "-display")) {
      if (++i >= argc)
        usage ();
        displayname = argv[i];
        continue;
    }
#endif
    /* X11 screen / Win32 monitor index */
    if (!strcmp (argv[i], "-s") || !strcmp (argv[i], "-screen")) {
      if (++i >= argc)
        usage ();
      screen = atoi (argv[i]);
      continue;
    }
#ifdef FGLRX
    /* ATI controller index (for FGLRX only) */
    if (!strcmp (argv[i], "-x") || !strcmp (argv[i], "-controller")) {
      if (++i >= argc)
        usage ();
      controller = atoi (argv[i]);
      continue;
    }
#endif
    /* print ramps to stdout */
    if (!strcmp (argv[i], "-p") || !strcmp (argv[i], "-printramps")) {
      printramps = 1;
      continue;
    }
    /* print error introduced by applying ramps to stdout */
    if (!strcmp (argv[i], "-l") || !strcmp (argv[i], "-loss")) {
      calcloss = 1;
      continue;
    }
    /* invert the LUT */
    if (!strcmp (argv[i], "-i") || !strcmp (argv[i], "-invert")) {
      invert = 1;
      continue;
    }
    /* clear gamma lut */
    if (!strcmp (argv[i], "-c") || !strcmp (argv[i], "-clear")) {
      clear = 1;
      continue;
    }
#ifndef FGLRX
    /* alter existing lut */
    if (!strcmp (argv[i], "-a") || !strcmp (argv[i], "-alter")) {
      alter = 1;
      continue;
    }
#endif
    /* do not alter video-LUTs : work's best in conjunction with -v! */
    if (!strcmp (argv[i], "-n") || !strcmp (argv[i], "-noaction")) {
      donothing = 1;
      if (++i >= argc)
        usage();
      ramp_size = atoi(argv[i]);
      continue;
    }
    /* global gamma correction value (use 2.2 for WinXP Color Control-like behaviour) */
    if (!strcmp (argv[i], "-gc") || !strcmp (argv[i], "-gammacor")) {
      if (++i >= argc)
        usage();
      xcalib_state.gamma_cor = atof (argv[i]);
      correction = 1;
      continue;
    }
    /* take additional brightness into account */
    if (!strcmp (argv[i], "-b") || !strcmp (argv[i], "-brightness")) {
      double brightness = 0.0;
      if (++i >= argc)
        usage();
      brightness = atof(argv[i]);
      if(brightness < 0.0 || brightness > 99.0)
      {
        warning("brightness is out of range 0.0-99.0");
        continue;
      }
      xcalib_state.redMin = xcalib_state.greenMin = xcalib_state.blueMin = brightness / 100.0;
      xcalib_state.redMax = xcalib_state.greenMax = xcalib_state.blueMax =
        (1.0 - xcalib_state.blueMin) * xcalib_state.blueMax + xcalib_state.blueMin;
      
      correction = 1;
      continue;
    }
    /* take additional contrast into account */
    if (!strcmp (argv[i], "-co") || !strcmp (argv[i], "-contrast")) {
      double contrast = 100.0;
      if (++i >= argc)
        usage();
      contrast = atof(argv[i]);
      if(contrast < 1.0 || contrast > 100.0)
      {
        warning("contrast is out of range 1.0-100.0");
        continue;
      }
      xcalib_state.redMax = xcalib_state.greenMax = xcalib_state.blueMax = contrast / 100.0;
      xcalib_state.redMax = xcalib_state.greenMax = xcalib_state.blueMax =
        (1.0 - xcalib_state.blueMin) * xcalib_state.blueMax + xcalib_state.blueMin;
 
      correction = 1;
      continue;
    }
    /* additional red calibration */ 
    if (!strcmp (argv[i], "-red")) {
      double gamma = 1.0, brightness = 0.0, contrast = 100.0;
      if (++i >= argc)
        usage();
      gamma = atof(argv[i]);
      if(gamma < 0.1 || gamma > 5.0)
      {
        warning("gamma is out of range 0.1-5.0");
        continue;
      }
      if (++i >= argc)
        usage();
      brightness = atof(argv[i]);
      if(brightness < 0.0 || brightness > 99.0)
      {
        warning("brightness is out of range 0.0-99.0");
        continue;
      }
      if (++i >= argc)
        usage();
      contrast = atof(argv[i]);
      if(contrast < 1.0 || contrast > 100.0)
      {
        warning("contrast is out of range 1.0-100.0");
        continue;
      }
 
      xcalib_state.redMin = brightness / 100.0;
      xcalib_state.redMax =
        (1.0 - xcalib_state.redMin) * (contrast / 100.0) + xcalib_state.redMin;
      xcalib_state.redGamma = gamma;
 
      correction = 1;
      continue;
    }
    /* additional green calibration */
    if (!strcmp (argv[i], "-green")) {
      double gamma = 1.0, brightness = 0.0, contrast = 100.0;
      if (++i >= argc)
        usage();
      gamma = atof(argv[i]);
      if(gamma < 0.1 || gamma > 5.0)
      {
        warning("gamma is out of range 0.1-5.0");
        continue;
      }
      if (++i >= argc)
        usage();
      brightness = atof(argv[i]);
      if(brightness < 0.0 || brightness > 99.0)
      {
        warning("brightness is out of range 0.0-99.0");
        continue;
      }
      if (++i >= argc)
        usage();
      contrast = atof(argv[i]);
      if(contrast < 1.0 || contrast > 100.0)
      {
        warning("contrast is out of range 1.0-100.0");
        continue;
      }
 
      xcalib_state.greenMin = brightness / 100.0;
      xcalib_state.greenMax =
        (1.0 - xcalib_state.greenMin) * (contrast / 100.0) + xcalib_state.greenMin;
      xcalib_state.greenGamma = gamma;
 
      correction = 1;
      continue;
    }
    /* additional blue calibration */
    if (!strcmp (argv[i], "-blue")) {
      double gamma = 1.0, brightness = 0.0, contrast = 100.0;
      if (++i >= argc)
        usage();
      gamma = atof(argv[i]);
      if(gamma < 0.1 || gamma > 5.0)
      {
        warning("gamma is out of range 0.1-5.0");
        continue;
      }
      if (++i >= argc)
        usage();
      brightness = atof(argv[i]);
      if(brightness < 0.0 || brightness > 99.0)
      {
        warning("brightness is out of range 0.0-99.0");
        continue;
      }
      if (++i >= argc)
        usage();
      contrast = atof(argv[i]);
      if(contrast < 1.0 || contrast > 100.0)
      {
        warning("contrast is out of range 1.0-100.0");
        continue;
      }
 
      xcalib_state.blueMin = brightness / 100.0;
      xcalib_state.blueMax =
        (1.0 - xcalib_state.blueMin) * (contrast / 100.0) + xcalib_state.blueMin;
      xcalib_state.blueGamma = gamma;
 
      correction = 1;
      continue;
    }
 
    if (i != argc - 1 && !clear && i) {
      usage ();
    }
    if(!clear || !alter)
    {
      if(strlen(argv[i]) < 255)
        strcpy (in_name, argv[i]);
      else
        usage ();
    }
  }

#ifdef _WIN32
  if ((!clear || !alter) && (in_name[0] == '\0')) {
    hDc = FindMonitor(screen);
    win_profile_len = MAX_PATH;
    win_default_profile[0] = '\0';
    SetICMMode(hDc, ICM_ON);
    if(GetICMProfileA(hDc, (LPDWORD) &win_profile_len, (LPSTR)win_default_profile))
    {
      if(strlen(win_default_profile) < 255)
        strcpy (in_name, win_default_profile);
      else
        usage();
    }
    else
      usage();
  }
#endif

#ifndef _WIN32
  /* X11 initializing */
  if ((dpy = XOpenDisplay (displayname)) == NULL) {
    if(!donothing)
      error ("Can't open display %s", XDisplayName (displayname));
    else
      warning("Can't open display %s", XDisplayName (displayname));
  }
  else if (screen == -1)
    screen = DefaultScreen (dpy);

  int xrr_version = -1;
  int crtc = 0;
  int major_versionp = 0;
  int minor_versionp = 0;
  int n = 0;
  Window root = RootWindow(dpy, DefaultScreen( dpy )); 

  XRRQueryVersion( dpy, &major_versionp, &minor_versionp );
  xrr_version = major_versionp*100 + minor_versionp;

  if(xrr_version >= 102)
  {                           
    XRRScreenResources * res = XRRGetScreenResources( dpy, root );
    int ncrtc = 0;

    n = res->noutput;
    for( i = 0; i < n; ++i )
    {
      RROutput output = res->outputs[i];
      XRROutputInfo * output_info = XRRGetOutputInfo( dpy, res,
                                                        output);
      if(output_info->crtc)
        if(ncrtc++ == screen)
        {
          crtc = output_info->crtc;
          ramp_size = XRRGetCrtcGammaSize( dpy, crtc );
          message ("XRandR output:      \t%s\n", output_info->name);
        }

      XRRFreeOutputInfo( output_info ); output_info = 0;
    }
    //XRRFreeScreenResources(res); res = 0;
  }

  /* clean gamma table if option set */
  gamma.red = 1.0;
  gamma.green = 1.0;
  gamma.blue = 1.0;
  if (clear) {
#ifndef FGLRX
    if(xrr_version >= 102)
    {
      XRRCrtcGamma * gamma = XRRAllocGamma (ramp_size);
      if(!gamma)
        warning ("Unable to clear screen gamma");
      else
      {
        for(i=0; i < ramp_size; ++i)
          gamma->red[i] = gamma->green[i] = gamma->blue[i] = i * 65535 / ramp_size;
        XRRSetCrtcGamma (dpy, crtc, gamma);
        XRRFreeGamma (gamma);
      }
    } else
    if (!XF86VidModeSetGamma (dpy, screen, &gamma))
    {
#else
    for(i = 0; i < 256; i++) {
      fglrx_gammaramps.RGamma[i] = i << 2;
      fglrx_gammaramps.GGamma[i] = i << 2;
      fglrx_gammaramps.BGamma[i] = i << 2;
    }
    if (!FGLRX_X11SetGammaRamp_C16native_1024(dpy, screen, controller, 256, &fglrx_gammaramps)) {
#endif
      XCloseDisplay (dpy);
      error ("Unable to reset display gamma");
    }
    goto cleanupX;
  }
  
  /* get number of entries for gamma ramps */
  if(!donothing)
  {
#ifndef FGLRX
    if (xrr_version < 102 && !XF86VidModeGetGammaRampSize (dpy, screen, &ramp_size)) {
#else
    if (!FGLRX_X11GetGammaRampSize(dpy, screen, &ramp_size)) {
#endif
      XCloseDisplay (dpy);
      if(!donothing)
        error ("Unable to query gamma ramp size");
      else {
        warning ("Unable to query gamma ramp size - assuming 256");
        ramp_size = 256;
      }
    }
  }
#else /* _WIN32 */
  if(!donothing) {
    if(!hDc)
      hDc = FindMonitor(screen);
    if (clear) {
      if (!SetDeviceGammaRamp(hDc, &winGammaRamp))
        error ("Unable to reset display gamma");
      goto cleanupX;
    }
  }
#endif

  /* check for ramp size being a power of 2 and inside the supported range */
  switch(ramp_size)
  {
    case 16:
    case 32:
    case 64:
    case 128:
    case 256:
    case 512:
    case 1024:
    case 2048:
    case 4096:
    case 8192:
    case 16384:
    case 32768:
    case 65536:
      break;
    default:
      error("unsupported ramp size %u", ramp_size);
  }
  
  r_ramp = (unsigned short *) malloc (ramp_size * sizeof (unsigned short));
  g_ramp = (unsigned short *) malloc (ramp_size * sizeof (unsigned short));
  b_ramp = (unsigned short *) malloc (ramp_size * sizeof (unsigned short));

  if(!alter)
  {
    if( (i = read_vcgt_internal(in_name, r_ramp, g_ramp, b_ramp, ramp_size)) <= 0) {
      if(i<0)
        warning ("Unable to read file '%s'", in_name);
      if(i == 0)
        warning ("No calibration data in ICC profile '%s' found", in_name);
      free(r_ramp);
      free(g_ramp);
      free(b_ramp);
      exit(0);
    }
  } else {
#ifndef _WIN32
    if (xrr_version >= 102)
    {
      XRRCrtcGamma * gamma = 0;
      if((gamma = XRRGetCrtcGamma(dpy, crtc)) != 0 )
        warning ("Unable to get display calibration");

      for (i = 0; i < ramp_size; i++) {
        r_ramp[i] = gamma->red[i];
        g_ramp[i] = gamma->green[i];
        b_ramp[i] = gamma->blue[i];
      }
    }
    else if (!XF86VidModeGetGammaRamp (dpy, screen, ramp_size, r_ramp, g_ramp, b_ramp))
      warning ("Unable to get display calibration");
#else
    if (!GetDeviceGammaRamp(hDc, &winGammaRamp))
      warning ("Unable to get display calibration");

    for (i = 0; i < ramp_size; i++) {
      r_ramp[i] = winGammaRamp.Red[i];
      g_ramp[i] = winGammaRamp.Green[i];
      b_ramp[i] = winGammaRamp.Blue[i];
    }
#endif
  }

  {
    float redBrightness = 0.0;
    float redContrast = 100.0;
    float redMin = 0.0;
    float redMax = 1.0;

    redMin = (double)r_ramp[0] / 65535.0;
    redMax = (double)r_ramp[ramp_size - 1] / 65535.0;
    redBrightness = redMin * 100.0;
    redContrast = (redMax - redMin) / (1.0 - redMin) * 100.0; 
    message("Red Brightness: %f   Contrast: %f  Max: %f  Min: %f\n", redBrightness, redContrast, redMax, redMin);
  }

  {
    float greenBrightness = 0.0;
    float greenContrast = 100.0;
    float greenMin = 0.0;
    float greenMax = 1.0;

    greenMin = (double)g_ramp[0] / 65535.0;
    greenMax = (double)g_ramp[ramp_size - 1] / 65535.0;
    greenBrightness = greenMin * 100.0;
    greenContrast = (greenMax - greenMin) / (1.0 - greenMin) * 100.0; 
    message("Green Brightness: %f   Contrast: %f  Max: %f  Min: %f\n", greenBrightness, greenContrast, greenMax, greenMin);
  }

  {
    float blueBrightness = 0.0;
    float blueContrast = 100.0;
    float blueMin = 0.0;
    float blueMax = 1.0;

    blueMin = (double)b_ramp[0] / 65535.0;
    blueMax = (double)b_ramp[ramp_size - 1] / 65535.0;
    blueBrightness = blueMin * 100.0;
    blueContrast = (blueMax - blueMin) / (1.0 - blueMin) * 100.0; 
    message("Blue Brightness: %f   Contrast: %f  Max: %f  Min: %f\n", blueBrightness, blueContrast, blueMax, blueMin);
  }

  if(correction != 0)
  {
    for(i=0; i<ramp_size; i++)
    {
      r_ramp[i] =  65536.0 * (((double) pow (((double) r_ramp[i]/65536.0),
                                xcalib_state.redGamma * (double) xcalib_state.gamma_cor
                  ) * (xcalib_state.redMax - xcalib_state.redMin)) + xcalib_state.redMin);
      g_ramp[i] =  65536.0 * (((double) pow (((double) g_ramp[i]/65536.0),
                                xcalib_state.greenGamma * (double) xcalib_state.gamma_cor
                  ) * (xcalib_state.greenMax - xcalib_state.greenMin)) + xcalib_state.greenMin);
      b_ramp[i] =  65536.0 * (((double) pow (((double) b_ramp[i]/65536.0),
                                xcalib_state.blueGamma * (double) xcalib_state.gamma_cor
                  ) * (xcalib_state.blueMax - xcalib_state.blueMin)) + xcalib_state.blueMin); 
    }
    message("Altering Red LUTs with   Gamma %f   Min %f   Max %f\n",
       xcalib_state.redGamma, xcalib_state.redMin, xcalib_state.redMax);
    message("Altering Green LUTs with   Gamma %f   Min %f   Max %f\n",
       xcalib_state.greenGamma, xcalib_state.greenMin, xcalib_state.greenMax);
    message("Altering Blue LUTs with   Gamma %f   Min %f   Max %f\n",
       xcalib_state.blueGamma, xcalib_state.blueMin, xcalib_state.blueMax);
  }

  if(!invert) {
    /* ramps should be monotonic - otherwise content is nonsense! */
    for (i = 0; i < ramp_size - 1; i++) {
      if (r_ramp[i + 1] < r_ramp[i])
        warning ("red gamma table not monotonic");
      if (g_ramp[i + 1] < g_ramp[i])
        warning ("green gamma table not monotonic");
      if (b_ramp[i + 1] < b_ramp[i])
        warning ("blue gamma table not monotonic");
    }
  } else {
    for (i = 0; i < ramp_size; i++) {
      if(i >= ramp_size / 2)
        break;
      tmpRampVal = r_ramp[i];
      r_ramp[i] = r_ramp[ramp_size - i - 1];
      r_ramp[ramp_size - i - 1] = tmpRampVal;
      tmpRampVal = g_ramp[i];
      g_ramp[i] = g_ramp[ramp_size - i - 1];
      g_ramp[ramp_size - i - 1] = tmpRampVal;
      tmpRampVal = b_ramp[i];
      b_ramp[i] = b_ramp[ramp_size - i - 1];
      b_ramp[ramp_size - i - 1] = tmpRampVal;
    }
  }
  if(calcloss) {
    fprintf(stdout, "Resolution loss for %d entries:\n", ramp_size);
    r_res = 0;
    g_res = 0;
    b_res = 0;
    tmpRampVal = 0xffff;
    for(i = 0; i < ramp_size; i++) {
      if ((r_ramp[i] & 0xff00) != (tmpRampVal & 0xff00)) {
        r_res++;
      }
      tmpRampVal = r_ramp[i];
    }
    tmpRampVal = 0xffff;
    for(i = 0; i < ramp_size; i++) {
      if ((g_ramp[i] & 0xff00) != (tmpRampVal & 0xff00)) {
        g_res++;
      }
      tmpRampVal = g_ramp[i];
    }
    tmpRampVal = 0xffff;
    for(i = 0; i < ramp_size; i++) {
      if ((b_ramp[i] & 0xff00) != (tmpRampVal & 0xff00)) {
        b_res++;
      }
      tmpRampVal = b_ramp[i];
    }
    fprintf(stdout, "R: %d\tG: %d\t B: %d\t colors lost\n", ramp_size - r_res, ramp_size - g_res, ramp_size - b_res );
  }
#ifdef _WIN32
  for (i = 0; i < ramp_size; i++) {
    winGammaRamp.Red[i] = r_ramp[i];
    winGammaRamp.Green[i] = g_ramp[i];
    winGammaRamp.Blue[i] = b_ramp[i];
  }

#endif
 
  if(printramps)
    for(i=0; i<ramp_size; i++)
      fprintf(stdout,"%d %d %d\n", r_ramp[i], g_ramp[i], b_ramp[i]);

  if(!donothing) {
    /* write gamma ramp to X-server */
#ifndef _WIN32
# ifdef FGLRX
    for(i = 0; i < ramp_size; i++) {
      fglrx_gammaramps.RGamma[i] = r_ramp[i] >> 6;
      fglrx_gammaramps.GGamma[i] = g_ramp[i] >> 6;
      fglrx_gammaramps.BGamma[i] = b_ramp[i] >> 6;
    }
    if (!FGLRX_X11SetGammaRamp_C16native_1024(dpy, screen, controller, ramp_size, &fglrx_gammaramps))
# else
    if(xrr_version >= 102)
    {
      XRRCrtcGamma * gamma = XRRAllocGamma (ramp_size);
      if(!gamma)
        warning ("Unable to calibrate display");
      else
      {
        for(i=0; i < ramp_size; ++i)
        {
          gamma->red[i] = r_ramp[i];
          gamma->green[i] = g_ramp[i];
          gamma->blue[i] = b_ramp[i];
        }
        XRRSetCrtcGamma (dpy, crtc, gamma);
        XRRFreeGamma (gamma);
      }
    } else
    if (!XF86VidModeSetGammaRamp (dpy, screen, ramp_size, r_ramp, g_ramp, b_ramp))
# endif
#else
    if (!SetDeviceGammaRamp(hDc, &winGammaRamp))
#endif
      warning ("Unable to calibrate display");
  }

  message ("X-LUT size:      \t%d\n", ramp_size);

  free(r_ramp);
  free(g_ramp);
  free(b_ramp);

cleanupX:
#ifndef _WIN32
  if(dpy)
    if(!donothing)
      XCloseDisplay (dpy);
#endif

  return 0;
}

/* Basic printf type error() and warning() routines */

/* errors are printed to stderr */
void
error (char *fmt, ...)
{
  va_list args;

  fprintf (stderr, "Error - ");
  va_start (args, fmt);
  vfprintf (stderr, fmt, args);
  va_end (args);
  fprintf (stderr, "\n");
  exit (-1);
}

/* warnings are printed to stdout */
void
warning (char *fmt, ...)
{
  va_list args;

  fprintf (stdout, "Warning - ");
  va_start (args, fmt);
  vfprintf (stdout, fmt, args);
  va_end (args);
  fprintf (stdout, "\n");
}
Ejemplo n.º 14
0
// Initialize X11 display and look for supported X11 extensions
//
static GLFWbool initExtensions(void)
{
    _glfw.x11.vidmode.handle = dlopen("libXxf86vm.so.1", RTLD_LAZY | RTLD_GLOBAL);
    if (_glfw.x11.vidmode.handle)
    {
        _glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension)
            dlsym(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension");
        _glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp)
            dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp");
        _glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp)
            dlsym(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp");
        _glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize)
            dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRampSize");

        _glfw.x11.vidmode.available =
            XF86VidModeQueryExtension(_glfw.x11.display,
                                      &_glfw.x11.vidmode.eventBase,
                                      &_glfw.x11.vidmode.errorBase);
    }

    _glfw.x11.xi.handle = dlopen("libXi.so", RTLD_LAZY | RTLD_GLOBAL);
    if (_glfw.x11.xi.handle)
    {
        _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion)
            dlsym(_glfw.x11.xi.handle, "XIQueryVersion");
        _glfw.x11.xi.SelectEvents = (PFN_XISelectEvents)
            dlsym(_glfw.x11.xi.handle, "XISelectEvents");

        if (XQueryExtension(_glfw.x11.display,
                            "XInputExtension",
                            &_glfw.x11.xi.majorOpcode,
                            &_glfw.x11.xi.eventBase,
                            &_glfw.x11.xi.errorBase))
        {
            _glfw.x11.xi.major = 2;
            _glfw.x11.xi.minor = 0;

            if (XIQueryVersion(_glfw.x11.display,
                               &_glfw.x11.xi.major,
                               &_glfw.x11.xi.minor) == Success)
            {
                _glfw.x11.xi.available = GLFW_TRUE;
            }
        }
    }

    // Check for RandR extension
    if (XRRQueryExtension(_glfw.x11.display,
                          &_glfw.x11.randr.eventBase,
                          &_glfw.x11.randr.errorBase))
    {
        if (XRRQueryVersion(_glfw.x11.display,
                            &_glfw.x11.randr.major,
                            &_glfw.x11.randr.minor))
        {
            // The GLFW RandR path requires at least version 1.3
            if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3)
                _glfw.x11.randr.available = GLFW_TRUE;
        }
        else
        {
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: Failed to query RandR version");
        }
    }

    if (_glfw.x11.randr.available)
    {
        XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display,
                                                              _glfw.x11.root);

        if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0]))
        {
            // This is either a headless system or an older Nvidia binary driver
            // with broken gamma support
            // Flag it as useless and fall back to Xf86VidMode gamma, if
            // available
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: Detected broken RandR gamma ramp support");
            _glfw.x11.randr.gammaBroken = GLFW_TRUE;
        }

        if (!sr->ncrtc || !sr->noutput || !sr->nmode)
        {
            // This is either a headless system or broken Cygwin/X RandR
            // Flag it as useless and fall back to Xlib display functions
            _glfwInputError(GLFW_PLATFORM_ERROR,
                            "X11: Detected broken RandR monitor support");
            _glfw.x11.randr.monitorBroken = GLFW_TRUE;
        }

        XRRFreeScreenResources(sr);

        XRRSelectInput(_glfw.x11.display, _glfw.x11.root,
                       RROutputChangeNotifyMask);
    }

    if (XineramaQueryExtension(_glfw.x11.display,
                               &_glfw.x11.xinerama.major,
                               &_glfw.x11.xinerama.minor))
    {
        if (XineramaIsActive(_glfw.x11.display))
            _glfw.x11.xinerama.available = GLFW_TRUE;
    }

    // Check if Xkb is supported on this display
    _glfw.x11.xkb.major = 1;
    _glfw.x11.xkb.minor = 0;
    _glfw.x11.xkb.available =
        XkbQueryExtension(_glfw.x11.display,
                          &_glfw.x11.xkb.majorOpcode,
                          &_glfw.x11.xkb.eventBase,
                          &_glfw.x11.xkb.errorBase,
                          &_glfw.x11.xkb.major,
                          &_glfw.x11.xkb.minor);

    if (_glfw.x11.xkb.available)
    {
        Bool supported;

        if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
        {
            if (supported)
                _glfw.x11.xkb.detectable = GLFW_TRUE;
        }
    }

    _glfw.x11.x11xcb.handle = dlopen("libX11-xcb.so.1", RTLD_LAZY | RTLD_GLOBAL);
    if (_glfw.x11.x11xcb.handle)
    {
        _glfw.x11.x11xcb.XGetXCBConnection = (PFN_XGetXCBConnection)
            dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection");
    }

    // Update the key code LUT
    // FIXME: We should listen to XkbMapNotify events to track changes to
    // the keyboard mapping.
    createKeyTables();

    // Detect whether an EWMH-conformant window manager is running
    detectEWMH();

    // String format atoms
    _glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False);
    _glfw.x11.UTF8_STRING =
        XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
    _glfw.x11.COMPOUND_STRING =
        XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False);
    _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);

    // Custom selection property atom
    _glfw.x11.GLFW_SELECTION =
        XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);

    // ICCCM standard clipboard atoms
    _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
    _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
    _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);

    // Clipboard manager atoms
    _glfw.x11.CLIPBOARD_MANAGER =
        XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
    _glfw.x11.SAVE_TARGETS =
        XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);

    // Xdnd (drag and drop) atoms
    _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", False);
    _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", False);
    _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", False);
    _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", False);
    _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", False);
    _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", False);
    _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False);
    _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False);
    _glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False);
    _glfw.x11.text_uri_list = XInternAtom(_glfw.x11.display, "text/uri-list", False);

    // ICCCM, EWMH and Motif window property atoms
    // These can be set safely even without WM support
    // The EWMH atoms that require WM support are handled in detectEWMH
    _glfw.x11.WM_PROTOCOLS =
        XInternAtom(_glfw.x11.display, "WM_PROTOCOLS", False);
    _glfw.x11.WM_STATE =
        XInternAtom(_glfw.x11.display, "WM_STATE", False);
    _glfw.x11.WM_DELETE_WINDOW =
        XInternAtom(_glfw.x11.display, "WM_DELETE_WINDOW", False);
    _glfw.x11.NET_WM_ICON =
        XInternAtom(_glfw.x11.display, "_NET_WM_ICON", False);
    _glfw.x11.NET_WM_PING =
        XInternAtom(_glfw.x11.display, "_NET_WM_PING", False);
    _glfw.x11.NET_WM_PID =
        XInternAtom(_glfw.x11.display, "_NET_WM_PID", False);
    _glfw.x11.NET_WM_NAME =
        XInternAtom(_glfw.x11.display, "_NET_WM_NAME", False);
    _glfw.x11.NET_WM_ICON_NAME =
        XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False);
    _glfw.x11.NET_WM_BYPASS_COMPOSITOR =
        XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False);
    _glfw.x11.MOTIF_WM_HINTS =
        XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False);

    return GLFW_TRUE;
}