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 591493e57eee9987e3ec36ae25b71d28a940f837..11e836227846ce59a387ad0592a2f246cc614bff 100644
--- a/src/views/unix/SkOSWindow_Unix.cpp
+++ b/src/views/unix/SkOSWindow_Unix.cpp
@@ -182,7 +182,7 @@ static void MyXNextEventWithDelay(Display* dsp, XEvent* evt) {
         timeval tv;
         tv.tv_sec = ms / 1000;              // seconds
         tv.tv_usec = (ms % 1000) * 1000;    // microseconds
-        
+
         (void)select(x11_fd + 1, &input_fds, NULL, NULL, &tv);
     }
 
@@ -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;
+    }

[sglez, 2013/06/17 18:04:35]

This is a fix to Mike's recent changes; it fixes a screen flickering problem.
The XPutImage call causes the problem when drawing with GL so we return early.

     // Draw the bitmap to the screen.
     const SkBitmap& bitmap = getBitmap();
     int width = bitmap.width();