Attachment 86045 Details for Bug 69253 – a workaround for the issue

[patch] a workaround for the issue

0001-VPP-limit-contrast-to-a-small-range-on-HSW.patch (text/plain), 1.10 KB, created by haihao on 2013-09-18 08:15:16 UTC

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Creator: haihao

Created: 2013-09-18 08:15:16 UTC

Size: 1.10 KB

patch

obsolete

>From f41939a6e5c47cd1855ce2d04e532ed2e54f6914 Mon Sep 17 00:00:00 2001
>From: "Xiang, Haihao" <haihao.xiang@intel.com>
>Date: Wed, 18 Sep 2013 16:11:47 +0800
>Subject: [PATCH] VPP: limit contrast to a small range on HSW
>
>It is just a workaround for https://bugs.freedesktop.org/show_bug.cgi?id=69253.
>
>Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
>---
> src/gen75_vpp_vebox.c |    5 +++++
> 1 file changed, 5 insertions(+)
>
>diff --git a/src/gen75_vpp_vebox.c b/src/gen75_vpp_vebox.c
>index 50df627..bc9008e 100644
>--- a/src/gen75_vpp_vebox.c
>+++ b/src/gen75_vpp_vebox.c
>@@ -353,6 +353,11 @@ void hsw_veb_iecp_pro_amp_table(VADriverContextP ctx, struct intel_vebox_context
>                brightness = intel_format_convert(src_brightness, 7, 4, 1);
>             }else if(attrib == VAProcColorBalanceContrast) {
>                src_contrast = amp_params[i].value;  //  (0.0, 10.0)
>+
>+               if (src_contrast > 1.0) {
>+                   src_contrast = 1.0 + (src_contrast - 1.0) / 9.0 * 0.1;
>+               }
>+
>                contrast = intel_format_convert(src_contrast, 4, 7, 0);
>             }
>         }
>-- 
>1.7.9.5
>

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Attachments on bug 69253: 85692 | 86045 | 86055 | 126043

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