Henri Verbeet : wined3d: Try harder to print something reasonable in wined3d_debug_location().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 19bb2b1b7e350dc0180ddff4efbfea2b1fdd63de
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=19bb2b1b7e350dc0180ddff4efbfea2b1fdd63de

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Thu Apr 21 17:05:03 2016 +0200

wined3d: Try harder to print something reasonable in wined3d_debug_location().

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/utils.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index c0688b5..2eca094 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -5456,8 +5456,17 @@ void wined3d_get_draw_rect(const struct wined3d_state *state, RECT *rect)
 
 const char *wined3d_debug_location(DWORD location)
 {
+    const char *prefix = "";
+    const char *suffix = "";
     char buf[294];
 
+    if (wined3d_popcount(location) > 16)
+    {
+        prefix = "~(";
+        location = ~location;
+        suffix = ")";
+    }
+
     buf[0] = '\0';
 #define LOCATION_TO_STR(u) if (location & u) { strcat(buf, " | "#u); location &= ~u; }
     LOCATION_TO_STR(WINED3D_LOCATION_DISCARDED);
@@ -5472,7 +5481,7 @@ const char *wined3d_debug_location(DWORD location)
 #undef LOCATION_TO_STR
     if (location) FIXME("Unrecognized location flag(s) %#x.\n", location);
 
-    return buf[0] ? wine_dbg_sprintf("%s", &buf[3]) : "0";
+    return wine_dbg_sprintf("%s%s%s", prefix, buf[0] ? &buf[3] : "0", suffix);
 }
 
 /* Print a floating point value with the %.8e format specifier, always using