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mesa: check for MESA_FORMAT_RGB9_E5_FLOAT in _mesa_is_format_signed()

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This packed floating point format only stores positive values.

Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=73096
Cc: 10.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Brian Paul 2014-01-07 09:05:03 -07:00
parent d81d263eeb
commit 0fc8d7c66e
1 changed files with 3 additions and 2 deletions
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5
src/mesa/main/formats.c
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@ -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 {