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xfree86/modes: Handle no palette case better in xf86RandR12CrtcSetGamma

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Just use the RandR gamma ramp directly.

Fixes random on-monitor colours with drivers which don't call
xf86HandleColormaps, e.g. modesetting.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97154

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2016-07-29 17:38:21 +09:00 committed by Michel Dänzer
parent d3d4ff0ed4
commit a446ff84de
1 changed files with 9 additions and 1 deletions
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10
hw/xfree86/modes/xf86RandR12.c
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@ -1310,9 +1310,17 @@ xf86RandR12CrtcSetGamma(ScreenPtr pScreen, RRCrtcPtr randr_crtc)
if (randrp->palette_size) {
xf86RandR12CrtcComputeGamma(pScreen, randr_crtc);
xf86RandR12CrtcReloadGamma(randr_crtc);
} else {
memcpy(crtc->gamma_red, randr_crtc->gammaRed,
crtc->gamma_size * sizeof(crtc->gamma_red[0]));
memcpy(crtc->gamma_green, randr_crtc->gammaGreen,
crtc->gamma_size * sizeof(crtc->gamma_green[0]));
memcpy(crtc->gamma_blue, randr_crtc->gammaBlue,
crtc->gamma_size * sizeof(crtc->gamma_blue[0]));
}
xf86RandR12CrtcReloadGamma(randr_crtc);
return TRUE;
}