From d40532f260c15d56e5fa836147e02c031a999682 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Tue, 21 Jan 2014 19:53:45 +0100
Subject: [PATCH] gallium/util: util_format_srgb should not return FORMAT_NONE
 for sRGB formats

This fixes a serious regression introduced
in 4e549ddb500cf677b6fa16d9ebdfa67cc23da097.

Cc: 9.2 10.0 <mesa-stable@lists.freedesktop.org>

Reviewed-by: Brian Paul <brianp@vmware.com>
---
 src/gallium/auxiliary/util/u_format.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 0fbaf4cc154..5f86e2d2c0d 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -872,6 +872,9 @@ util_format_get_component_bits(enum pipe_format format,
 static INLINE enum pipe_format
 util_format_srgb(enum pipe_format format)
 {
+   if (util_format_is_srgb(format))
+      return format;
+
    switch (format) {
    case PIPE_FORMAT_L8_UNORM:
       return PIPE_FORMAT_L8_SRGB;
-- 
2.30.2