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path: root/hw/xfree86/modes/xf86Crtc.c
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Diffstat (limited to 'hw/xfree86/modes/xf86Crtc.c')
-rw-r--r--hw/xfree86/modes/xf86Crtc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index 1b241cd33..0ab2f3df9 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -2228,19 +2228,19 @@ xf86CrtcSetInitialGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green,
red[i] = i << 8;
else
red[i] = (CARD16)(pow((double)i/(double)(size - 1),
- (double)gamma_red) * (double)(size - 1) * 256);
+ 1. / (double)gamma_red) * (double)(size - 1) * 256);
if (gamma_green == 1.0)
green[i] = i << 8;
else
green[i] = (CARD16)(pow((double)i/(double)(size - 1),
- (double)gamma_green) * (double)(size - 1) * 256);
+ 1. / (double)gamma_green) * (double)(size - 1) * 256);
if (gamma_blue == 1.0)
blue[i] = i << 8;
else
blue[i] = (CARD16)(pow((double)i/(double)(size - 1),
- (double)gamma_blue) * (double)(size - 1) * 256);
+ 1. / (double)gamma_blue) * (double)(size - 1) * 256);
}
/* Default size is 256, so anything else is failure. */