BOOL X11DRV_XF86VM_SetGammaRamp(LPDDGAMMARAMP ramp)
{
#ifdef X_XF86VidModeSetGamma
XF86VidModeGamma gamma;
if (xf86vm_major < 2) return FALSE; /* no gamma control */
#ifdef X_XF86VidModeSetGammaRamp
else if (xf86vm_use_gammaramp)
{
Bool ret;
wine_tsx11_lock();
ret = XF86VidModeSetGammaRamp(gdi_display, DefaultScreen(gdi_display), 256,
ramp->red, ramp->green, ramp->blue);
wine_tsx11_unlock();
return ret;
}
#endif
else
{
if (ComputeGammaFromRamp(ramp->red, &gamma.red) &&
ComputeGammaFromRamp(ramp->green, &gamma.green) &&
ComputeGammaFromRamp(ramp->blue, &gamma.blue)) {
Bool ret;
wine_tsx11_lock();
ret = XF86VidModeSetGamma(gdi_display, DefaultScreen(gdi_display), &gamma);
wine_tsx11_unlock();
return ret;
}
}
#endif /* X_XF86VidModeSetGamma */
return FALSE;
}
static BOOL X11DRV_XF86VM_SetGammaRamp(LPDDGAMMARAMP ramp)
{
Bool ret = FALSE;
#ifdef X_XF86VidModeSetGamma
XF86VidModeGamma gamma;
if (xf86vm_major < 2 || !usexvidmode) return FALSE; /* no gamma control */
if (!ComputeGammaFromRamp(ramp->red, &gamma.red) || /* ramp validation */
!ComputeGammaFromRamp(ramp->green, &gamma.green) ||
!ComputeGammaFromRamp(ramp->blue, &gamma.blue)) return FALSE;
wine_tsx11_lock();
#ifdef X_XF86VidModeSetGammaRamp
if (xf86vm_use_gammaramp)
ret = pXF86VidModeSetGammaRamp(gdi_display, DefaultScreen(gdi_display), 256,
ramp->red, ramp->green, ramp->blue);
else
#endif
ret = pXF86VidModeSetGamma(gdi_display, DefaultScreen(gdi_display), &gamma);
wine_tsx11_unlock();
#endif /* X_XF86VidModeSetGamma */
return ret;
}
