diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/display/sp-canvas.cpp | 26 | ||||
| -rw-r--r-- | src/display/sp-canvas.h | 2 |
2 files changed, 28 insertions, 0 deletions
diff --git a/src/display/sp-canvas.cpp b/src/display/sp-canvas.cpp index 993360415..6181afc70 100644 --- a/src/display/sp-canvas.cpp +++ b/src/display/sp-canvas.cpp @@ -50,12 +50,16 @@ using Inkscape::Debug::GdkEventLatencyTracker; + // Disabled by Mentalguy, many years ago in commit 427a81 static bool const HAS_BROKEN_MOTION_HINTS = true; // Define this to visualize the regions to be redrawn //#define DEBUG_REDRAW 1; +// Define this to output the time spent in a full iddle loop and the number of "tiles" painted +//#define DEBUG_CANVAS 1; + // Tiles are a way to minimize the number of redraws, eliminating too small redraws. // The canvas stores a 2D array of ints, each representing a TILE_SIZExTILE_SIZE pixels tile. // If any part of it is dirtied, the entire tile is dirtied (its int is nonzero) and repainted. @@ -2119,6 +2123,7 @@ int SPCanvas::paintRectInternal(PaintRectSetup const *setup, Geom::IntRect const */ paintSingleBuffer(this_rect, setup->canvas_rect, bw); + _splits++; //gdk_window_end_paint(window); return 1; } @@ -2527,6 +2532,15 @@ gint SPCanvas::idle_handler(gpointer data) if (ret) { // Reset idle id canvas->_idle_id = 0; +#ifdef DEBUG_CANVAS + GTimeVal now; + g_get_current_time (&now); + glong elapsed = (now.tv_sec - canvas->_iddle_time.tv_sec) * 1000000 + + (now.tv_usec - canvas->_iddle_time.tv_usec); + g_message("%f iddle loop duration", elapsed/(double)1000000); + g_message("%i splits", canvas->_splits); + canvas->_splits = 0; +#endif } return !ret; } @@ -2534,6 +2548,9 @@ gint SPCanvas::idle_handler(gpointer data) void SPCanvas::addIdle() { if (_idle_id == 0) { +#ifdef DEBUG_CANVAS + g_get_current_time (&_iddle_time); +#endif _idle_id = gdk_threads_add_idle_full(UPDATE_PRIORITY, idle_handler, this, nullptr); } } @@ -2542,6 +2559,15 @@ void SPCanvas::removeIdle() if (_idle_id) { g_source_remove(_idle_id); _idle_id = 0; +#ifdef DEBUG_CANVAS + GTimeVal now; + g_get_current_time (&now); + glong elapsed = (now.tv_sec - _iddle_time.tv_sec) * 1000000 + + (now.tv_usec - _iddle_time.tv_usec); + g_message("%f iddle loop duration", elapsed/(double)1000000); + g_message("%i splits", _splits); + _splits = 0; +#endif } } diff --git a/src/display/sp-canvas.h b/src/display/sp-canvas.h index 9242cce6e..6f6958c78 100644 --- a/src/display/sp-canvas.h +++ b/src/display/sp-canvas.h @@ -207,6 +207,8 @@ public: int _y0; ///< World coordinate of the topmost pixels of window int _device_scale; ///< Scale for high DPI montiors + GTimeVal _iddle_time; + int _splits; /// Image surface storing the contents of the widget cairo_surface_t *_backing_store; |