2 files changed, 11 insertions, 0 deletions
diff --git a/render/picture.c b/render/picture.c
index 788785354..ebbfa29e9 100644
--- a/render/picture.c
+++ b/render/picture.c
@@ -50,6 +50,14 @@ RESTYPE PictFormatType;
 RESTYPE GlyphSetType;
 int PictureCmapPolicy = PictureCmapPolicyDefault;
 
+PictFormatPtr
+PictureWindowFormat(WindowPtr pWindow)
+{
+    ScreenPtr pScreen = pWindow->drawable.pScreen;
+    return PictureMatchVisual(pScreen, pWindow->drawable.depth,
+                              WindowGetVisual(pWindow));
+}
+
 Bool
 PictureDestroyWindow(WindowPtr pWindow)
 {
diff --git a/render/picturestr.h b/render/picturestr.h
index 6da56563d..1cda88a80 100644
--- a/render/picturestr.h
+++ b/render/picturestr.h
@@ -377,6 +377,9 @@ extern _X_EXPORT RESTYPE GlyphSetType;
     } \
 } \
 
+extern _X_EXPORT PictFormatPtr
+ PictureWindowFormat(WindowPtr pWindow);
+
 extern _X_EXPORT Bool
  PictureDestroyWindow(WindowPtr pWindow);