winsys/drm: Add swrast.
The swrast winsys always returns NULL when drm_api_create is called.
diff --git a/configure.ac b/configure.ac
index bb011ab..d6e32f5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1311,6 +1311,18 @@
GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau nv04 nv10 nv20 nv30 nv40 nv50"
fi
+dnl
+dnl Gallium swrast configuration
+dnl
+AC_ARG_ENABLE([gallium-swrast],
+ [AS_HELP_STRING([--enable-gallium-swrast],
+ [build gallium swrast @<:@default=disabled@:>@])],
+ [enable_gallium_swrast="$enableval"],
+ [enable_gallium_swrast=auto])
+if test "x$enable_gallium_swrast" = xyes; then
+ GALLIUM_WINSYS_DRM_DIRS="$GALLIUM_WINSYS_DRM_DIRS swrast"
+fi
+
dnl prepend CORE_DIRS to SRC_DIRS
SRC_DIRS="$CORE_DIRS $SRC_DIRS"