[Mesa-dev] [PATCH 1/2] mesa: check for MESA_FORMAT_RGB9_E5_FLOAT in _mesa_is_format_signed()

[Brian Paul]

This packed floating point format only stores positive values.
---
 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 {
-- 
1.7.10.4