push2: add code to render screen to PNG files for screenshot purposes

diff --git a/libs/surfaces/push2/canvas.cc b/libs/surfaces/push2/canvas.cc
index faa8896f553a9f3f18af16b76596ae26943357b1..12c404fb9e579f851253e589f6374c2ba43e2a04 100644 (file)
--- a/libs/surfaces/push2/canvas.cc
+++ b/libs/surfaces/push2/canvas.cc
@@ -70,6 +70,15 @@ Push2Canvas::vblank ()
                DEBUG_TRACE (DEBUG::Push2, "re-blit to device frame buffer\n");
                /* something rendered, update device_frame_buffer */
                blit_to_device_frame_buffer ();
+
+#define RENDER_LAYOUTS
+#ifdef  RENDER_LAYOUTS
+               if (p2.current_layout()) {
+                       std::string s = p2.current_layout()->name();
+                       s += ".png";
+                       frame_buffer->write_to_png (s);
+               }
+#endif
        }
 
        int transferred = 0;