gfx-card & performance testing

This commit is contained in:
Robin Gareus 2015-05-02 04:54:59 +02:00
parent 8f333acb80
commit 198c4d1d88
2 changed files with 59 additions and 6 deletions

View file

@ -18,6 +18,10 @@
*/
#if !defined USE_CAIRO_IMAGE_SURFACE && !defined NDEBUG
#define OPTIONAL_CAIRO_IMAGE_SURFACE
#endif
/** @file canvas/canvas.cc
* @brief Implementation of the main canvas classes.
*/
@ -754,12 +758,18 @@ void
GtkCanvas::on_size_allocate (Gtk::Allocation& a)
{
EventBox::on_size_allocate (a);
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
if (getenv("ARDOUR_IMAGE_SURFACE")) {
#endif
#if defined USE_CAIRO_IMAGE_SURFACE || defined OPTIONAL_CAIRO_IMAGE_SURFACE
/* allocate an image surface as large as the canvas itself */
canvas_image.clear ();
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, a.get_width(), a.get_height());
#endif
#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
}
#endif
}
/** Handler for GDK expose events.
@ -769,7 +779,19 @@ GtkCanvas::on_size_allocate (Gtk::Allocation& a)
bool
GtkCanvas::on_expose_event (GdkEventExpose* ev)
{
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
Cairo::RefPtr<Cairo::Context> draw_context;
Cairo::RefPtr<Cairo::Context> window_context;
if (getenv("ARDOUR_IMAGE_SURFACE")) {
if (!canvas_image) {
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
}
draw_context = Cairo::Context::create (canvas_image);
window_context = get_window()->create_cairo_context ();
} else {
draw_context = get_window()->create_cairo_context ();
}
#elif defined USE_CAIRO_IMAGE_SURFACE
if (!canvas_image) {
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
}
@ -803,7 +825,10 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev)
g_free (rects);
}
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
if (getenv("ARDOUR_IMAGE_SURFACE")) {
#endif
#if defined USE_CAIRO_IMAGE_SURFACE || defined OPTIONAL_CAIRO_IMAGE_SURFACE
/* now blit our private surface back to the GDK one */
window_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
@ -812,6 +837,9 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev)
window_context->set_operator (Cairo::OPERATOR_SOURCE);
window_context->paint ();
#endif
#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
}
#endif
return true;
}