Added initial implementation of Vulkan Render Passes.

gpu/vulkan/tests/native_window_x11.cc

+// Copyright (c) 2016 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 "gpu/vulkan/tests/native_window.h"
+
+#include <X11/Xlib.h>
+
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/x/x11_types.h"
+
+namespace gpu {
+
+gfx::AcceleratedWidget CreateNativeWindow(const gfx::Rect& bounds) {
+  XDisplay* display = gfx::GetXDisplay();
+  XSetWindowAttributes swa;
+  swa.event_mask = StructureNotifyMask | ExposureMask;
+  swa.override_redirect = True;
+  XID window = XCreateWindow(
+      display, RootWindow(display, DefaultScreen(display)),  // parent
+      bounds.x(), bounds.y(), bounds.width(), bounds.height(),
+      0,               // border width
+      CopyFromParent,  // depth
+      InputOutput,
+      CopyFromParent,  // visual
+      CWEventMask | CWOverrideRedirect, &swa);
+  XMapWindow(display, window);
+
+  while (1) {
+    XEvent event;
+    XNextEvent(display, &event);
+    if (event.type == MapNotify && event.xmap.window == window)
+      break;
+  }
+
+  return window;
+}
+
+void DestroyNativeWindow(gfx::AcceleratedWidget window) {
+  XDestroyWindow(gfx::GetXDisplay(), window);
+}
+
+}  // namespace gpu