Benchmark tool for GPU-accelerated video rendering

media/tools/shader_bench/window_linux.cc

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/tools/shader_bench/window.h"
+
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "base/utf_string_conversions.h"
+
+namespace {
+
+gboolean OnDelete(GtkWidget* widget, GdkEventExpose* event) {
+  gtk_main_quit();
+  return FALSE;
+}
+
+gboolean OnExpose(GtkWidget* widget, GdkEventExpose* event, gpointer data) {
+  Painter* painter = reinterpret_cast<Painter*>(data);
+  if (painter) painter->OnPaint();
+  return FALSE;
+}
+
+}  // namespace
+
+namespace media {
+
+gfx::NativeWindow Window::CreateNativeWindow(int width, int height) {
+  GtkWidget* hwnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+
+  gtk_window_set_default_size(GTK_WINDOW(hwnd), width, height);
+  gtk_widget_set_double_buffered(hwnd, FALSE);
+  gtk_widget_set_app_paintable(hwnd, TRUE);
+
+  gtk_widget_show(hwnd);
+
+  gtk_signal_connect(GTK_OBJECT(GTK_WINDOW(hwnd)),
+                     "delete_event",
+                     reinterpret_cast<GtkSignalFunc>(::OnDelete),
+                     NULL);
+
+  return GTK_WINDOW(hwnd);
+}
+
+void Window::SetPainter(Painter* painter) {
+  painter_ = painter;
+  gtk_signal_connect(GTK_OBJECT(GTK_WINDOW(window_handle_)),
+                     "expose_event",
+                     reinterpret_cast<GtkSignalFunc>(::OnExpose),
+                     painter_);
+}
+
+gfx::PluginWindowHandle Window::PluginWindow() {
+  return GDK_WINDOW_XWINDOW(GTK_WIDGET(window_handle_)->window);
+}
+
+void Window::Paint() {
+  gint return_val;
+  GdkEvent event;
+  gtk_signal_emit_by_name(GTK_OBJECT(window_handle_), "expose_event", &event, &return_val);
+}
+
+} // media