Smallest possible desktop application that uses Skia to render stuff.

src/views/unix/SkOSWindow_Unix.cpp

Index: src/views/unix/SkOSWindow_Unix.cpp
diff --git a/src/views/unix/SkOSWindow_Unix.cpp b/src/views/unix/SkOSWindow_Unix.cpp
index cb7aa4b5ae8be7300c8f944ecd7dec336b004ffe..0a66c7ce52c3e8336e3aee0ef1e779a9d4ebf51e 100644
--- a/src/views/unix/SkOSWindow_Unix.cpp
+++ b/src/views/unix/SkOSWindow_Unix.cpp
@@ -374,6 +374,10 @@ void SkOSWindow::doPaint() {
     if (NULL == fUnixWindow.fDisplay) {
         return;
     }
+    // If we are drawing with GL, we don't need XPutImage.
+    if (NULL != fUnixWindow.fGLContext) {
+        return;
+    }
     // Draw the bitmap to the screen.
     const SkBitmap& bitmap = getBitmap();
     int width = bitmap.width();