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XFree86 4.1 gamma ramp support.

This commit is contained in:
Andrew Lewycky 2001-10-21 15:02:01 +00:00 committed by Alexandre Julliard
parent c2edee0159
commit ad73ed2d92
1 changed files with 62 additions and 16 deletions
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78
dlls/x11drv/xvidmode.c
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@ -28,6 +28,11 @@ extern int usexvidmode;
static int xf86vm_event, xf86vm_error, xf86vm_major, xf86vm_minor;
#ifdef X_XF86VidModeSetGammaRamp
static int xf86vm_gammaramp_size;
static BOOL xf86vm_use_gammaramp;
#endif
LPDDHALMODEINFO xf86vm_modes;
unsigned xf86vm_mode_count;
XF86VidModeModeInfo** modes;
@ -89,6 +94,19 @@ void X11DRV_XF86VM_Init(void)
if (!TSXF86VidModeQueryExtension(gdi_display, &xf86vm_event, &xf86vm_error)) return;
if (!TSXF86VidModeQueryVersion(gdi_display, &xf86vm_major, &xf86vm_minor)) return;
#ifdef X_XF86VidModeSetGammaRamp
if (xf86vm_major > 2 || (xf86vm_major == 2 && xf86vm_minor >= 1))
{
wine_tsx11_lock();
XF86VidModeGetGammaRampSize(gdi_display, DefaultScreen(gdi_display),
&xf86vm_gammaramp_size);
wine_tsx11_unlock();
if (xf86vm_gammaramp_size == 256)
xf86vm_use_gammaramp = TRUE;
}
#endif
/* retrieve modes */
if (!TSXF86VidModeGetAllModeLines(gdi_display, DefaultScreen(gdi_display), &nmodes,
&modes))
@ -264,14 +282,28 @@ BOOL X11DRV_XF86VM_GetGammaRamp(LPDDGAMMARAMP ramp)
Bool ret;
if (xf86vm_major < 2) return FALSE; /* no gamma control */
wine_tsx11_lock();
ret = XF86VidModeGetGamma(gdi_display, DefaultScreen(gdi_display), &gamma);
wine_tsx11_unlock();
if (ret) {
GenerateRampFromGamma(ramp->red, gamma.red);
GenerateRampFromGamma(ramp->green, gamma.green);
GenerateRampFromGamma(ramp->blue, gamma.blue);
return TRUE;
#ifdef X_XF86VidModeSetGammaRamp
else if (xf86vm_use_gammaramp)
{
Bool ret;
wine_tsx11_lock();
ret = XF86VidModeGetGammaRamp(gdi_display, DefaultScreen(gdi_display), 256,
ramp->red, ramp->green, ramp->blue);
wine_tsx11_unlock();
return ret;
}
#endif
else
{
wine_tsx11_lock();
ret = XF86VidModeGetGamma(gdi_display, DefaultScreen(gdi_display), &gamma);
wine_tsx11_unlock();
if (ret) {
GenerateRampFromGamma(ramp->red, gamma.red);
GenerateRampFromGamma(ramp->green, gamma.green);
GenerateRampFromGamma(ramp->blue, gamma.blue);
return TRUE;
}
}
#endif /* X_XF86VidModeSetGamma */
return FALSE;
@ -283,14 +315,28 @@ BOOL X11DRV_XF86VM_SetGammaRamp(LPDDGAMMARAMP ramp)
XF86VidModeGamma gamma;
if (xf86vm_major < 2) return FALSE; /* no gamma control */
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;
#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;