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configure.ac: add an enable switch for float textures (v2) 

So --enable-texture-float it is.

Hardware drivers (including the Gallium ones) should
use #ifdef TEXTURE_FLOAT_ENABLED to hide any code that may
expose floating-point renderbuffers via any interface,
public or private.

v2: Print a warning when using --enable-texture-float.
This commit is contained in:
Marek Olšák 2011-04-01 01:12:41 +02:00
parent 2d12dbb28d
commit 848f7d368d
1 changed files with 15 additions and 0 deletions
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15
configure.ac
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@ -319,6 +319,21 @@ else
esac
fi
dnl
dnl potentially-infringing-but-nobody-knows-for-sure stuff
dnl
AC_ARG_ENABLE([texture-float],
[AS_HELP_STRING([--enable-texture-float],
[enable floating-point textures and renderbuffers @<:@default=disabled@:>@])],
[enable_texture_float="$enableval"],
[enable_texture_float=no]
)
if test "x$enable_texture_float" = xyes; then
AC_MSG_WARN([Floating-point textures enabled.])
AC_MSG_WARN([Please consult docs/patents.txt with your lawyer before building Mesa.])
DEFINES="$DEFINES -DTEXTURE_FLOAT_ENABLED"
fi
GL_LIB_NAME='lib$(GL_LIB).'${LIB_EXTENSION}
GLU_LIB_NAME='lib$(GLU_LIB).'${LIB_EXTENSION}
GLUT_LIB_NAME='lib$(GLUT_LIB).'${LIB_EXTENSION}