From b11c16752a18ef8dfb96d9f0ead6ecb62bde6773 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Wed, 16 Nov 2011 17:39:50 +0100
Subject: [PATCH] read_rgba_pixels: Don't force clamping if the renderbuffer is
 normalized.
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Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
---
 src/mesa/main/readpix.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index 86b8753..9bb58e7 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -285,7 +285,8 @@ read_rgba_pixels( struct gl_context *ctx,
       return;
 
    if ((ctx->Color._ClampReadColor == GL_TRUE || type != GL_FLOAT) &&
-       !_mesa_is_integer_format(format)) {
+       !_mesa_is_integer_format(format) &&
+       _mesa_get_format_datatype(rb->Format) != GL_UNSIGNED_NORMALIZED) {
       transferOps |= IMAGE_CLAMP_BIT;
    }
 
-- 
2.7.4