ozone/platform/wayland: Implement SurfaceOzoneEGL

ui/ozone/platform/wayland/wayland_egl_surface.cc

Index: ui/ozone/platform/wayland/wayland_egl_surface.cc
diff --git a/ui/ozone/platform/wayland/wayland_egl_surface.cc b/ui/ozone/platform/wayland/wayland_egl_surface.cc
new file mode 100644
index 0000000000000000000000000000000000000000..73fff3ebda08f663216dea606bb931df6e5e1632
--- /dev/null
+++ b/ui/ozone/platform/wayland/wayland_egl_surface.cc
@@ -0,0 +1,79 @@
+// Copyright 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 "ui/ozone/platform/wayland/wayland_egl_surface.h"
+
+#include <wayland-egl.h>
+
+#include "third_party/khronos/EGL/egl.h"
+#include "ui/ozone/common/egl_util.h"
+#include "ui/ozone/platform/wayland/wayland_window.h"
+
+namespace ui {
+
+void EGLWindowDeleter::operator()(wl_egl_window* egl_window) {
+  wl_egl_window_destroy(egl_window);
+}
+
+WaylandEGLSurface::WaylandEGLSurface(WaylandWindow* window,
+                                     const gfx::Size& size)
+    : window_(window), size_(size) {}
+
+WaylandEGLSurface::~WaylandEGLSurface() {}
+
+bool WaylandEGLSurface::Initialize() {
+  egl_window_.reset(
+      wl_egl_window_create(window_->surface(), size_.width(), size_.height()));
+  return egl_window_ != nullptr;
+}
+
+intptr_t WaylandEGLSurface::GetNativeWindow() {
+  DCHECK(egl_window_);
+  return reinterpret_cast<intptr_t>(egl_window_.get());
+}
+
+bool WaylandEGLSurface::ResizeNativeWindow(const gfx::Size& viewport_size) {
+  if (size_ == viewport_size)
+    return true;
+  DCHECK(egl_window_);
+  wl_egl_window_resize(egl_window_.get(), size_.width(), size_.height(), 0, 0);
+  size_ = viewport_size;
+  return true;
+}
+
+bool WaylandEGLSurface::OnSwapBuffers() {
+  return true;
+}
+
+void WaylandEGLSurface::OnSwapBuffersAsync(
+    const SwapCompletionCallback& callback) {
+  NOTREACHED();
+}
+
+scoped_ptr<gfx::VSyncProvider> WaylandEGLSurface::CreateVSyncProvider() {
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
+void* /* EGLConfig */ WaylandEGLSurface::GetEGLSurfaceConfig(
+    const EglConfigCallbacks& egl) {
+  EGLint config_attribs[] = {EGL_BUFFER_SIZE,
+                             32,
+                             EGL_ALPHA_SIZE,
+                             8,
+                             EGL_BLUE_SIZE,
+                             8,
+                             EGL_GREEN_SIZE,
+                             8,
+                             EGL_RED_SIZE,
+                             8,
+                             EGL_RENDERABLE_TYPE,
+                             EGL_OPENGL_ES2_BIT,
+                             EGL_SURFACE_TYPE,
+                             EGL_WINDOW_BIT,
+                             EGL_NONE};
+  return ChooseEGLConfig(egl, config_attribs);
+}
+
+}  // namespace ui