mesa/st: Avoid spurious transfers when creating fbo textures without image data.

[mesa.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 38e673da8a1f7f4228d08d5936cbbff04b875167..5265cf6b1ea9a653f97eda9f5a2a5629a275dc61 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -730,12 +730,25 @@ else
 fi
 
 dnl Direct rendering or just indirect rendering
+case "$host_os" in
+gnu*)
+    dnl Disable by default on GNU/Hurd
+    driglx_direct_default="no"
+    ;;
+cygwin*)
+    dnl Disable by default on cygwin
+    driglx_direct_default="no"
+    ;;
+*)
+    driglx_direct_default="yes"
+    ;;
+esac
 AC_ARG_ENABLE([driglx-direct],
     [AS_HELP_STRING([--disable-driglx-direct],
         [enable direct rendering in GLX and EGL for DRI \
-            @<:@default=enabled@:>@])],
+            @<:@default=auto@:>@])],
     [driglx_direct="$enableval"],
-    [driglx_direct="yes"])
+    [driglx_direct="$driglx_direct_default"])
 
 dnl
 dnl libGL configuration per driver
@@ -1013,6 +1026,16 @@ if test "$mesa_driver" = dri -o "$mesa_driver" = no; then
             DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
         fi
         ;;
+    cygwin*)
+        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
+        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
+        if test "x$driglx_direct" = xyes; then
+            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
+        fi
+        if test "x$DRI_DIRS" = "xyes"; then
+            DRI_DIRS="swrast"
+        fi
+        ;;
     esac
 
     # default drivers