Mesa (master): mesa: check for MESA_FORMAT_RGB9_E5_FLOAT in _mesa_is_format_signed()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 0fc8d7c66e08c295b701586afdc1f6d86eb8a514
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0fc8d7c66e08c295b701586afdc1f6d86eb8a514

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Jan  7 09:05:03 2014 -0700

mesa: check for MESA_FORMAT_RGB9_E5_FLOAT in _mesa_is_format_signed()

This packed floating point format only stores positive values.

Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=73096
Cc: 10.0 <mesa-stable at lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Roland Scheidegger <sroland at vmware.com>

---

 src/mesa/main/formats.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index eb2a07e..7e0ec23 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -1972,8 +1972,9 @@ _mesa_is_format_unsigned(gl_format format)
 GLboolean
 _mesa_is_format_signed(gl_format format)
 {
-   if (format == MESA_FORMAT_R11_G11_B10_FLOAT) {
-      /* this packed float format only stores unsigned values */
+   if (format == MESA_FORMAT_R11_G11_B10_FLOAT || 
+       format == MESA_FORMAT_RGB9_E5_FLOAT) {
+      /* these packed float formats only store unsigned values */
       return GL_FALSE;
    }
    else {