From 82abdf209a2fb5b95b2bae80045aecc61202b13c Mon Sep 17 00:00:00 2001
From: Anuj Phogat <anuj.phogat@gmail.com>
Date: Thu, 30 Apr 2015 23:35:20 -0700
Subject: [PATCH] mesa: Handle integer formats in
 need_rgb_to_luminance_conversion()
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Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
---
 src/mesa/main/readpix.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index df46f83..9166a50 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -54,7 +54,10 @@ need_rgb_to_luminance_conversion(mesa_format texFormat, GLenum format)
    return (baseTexFormat == GL_RG ||
            baseTexFormat == GL_RGB ||
            baseTexFormat == GL_RGBA) &&
-          (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA);
+          (format == GL_LUMINANCE ||
+           format == GL_LUMINANCE_ALPHA ||
+           format == GL_LUMINANCE_INTEGER_EXT ||
+           format == GL_LUMINANCE_ALPHA_INTEGER_EXT);
 }
 
 
-- 
2.7.4