Adding Wayland support for ui/gfx

ui/gfx/surface/accelerated_surface_wayland.cc

+// Copyright (c) 2011 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/gfx/surface/accelerated_surface_wayland.h"
+
+#include <wayland-egl.h>
+
+#include "third_party/angle/include/EGL/egl.h"
+#include "third_party/angle/include/EGL/eglext.h"
+#include "ui/gfx/gl/gl_bindings.h"
+#include "ui/gfx/gl/gl_surface_egl.h"
+#include "ui/wayland/wayland_display.h"
+
+AcceleratedSurface::AcceleratedSurface(const gfx::Size& size)
+    : size_(size),
+      image_(NULL),
+      pixmap_(NULL),
+      texture_(0) {
+  ui::WaylandDisplay* dpy = ui::WaylandDisplay::GetDisplay(
+      gfx::GLSurfaceEGL::GetNativeDisplay());
+  EGLDisplay edpy = gfx::GLSurfaceEGL::GetHardwareDisplay();
+
+  pixmap_ = wl_egl_pixmap_create(size_.width(),
+                                 size_.height(),
+                                 dpy->visual(),
+                                 0);
+
+  image_ = eglCreateImageKHR(
+      edpy, EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR, (void*) pixmap_, NULL);
+
+  glGenTextures(1, &texture_);
+
+  GLint current_texture = 0;
+  glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
+
+  glBindTexture(GL_TEXTURE_2D, texture_);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image_);
+
+  glBindTexture(GL_TEXTURE_2D, current_texture);
+}
+
+AcceleratedSurface::~AcceleratedSurface() {
+  glDeleteTextures(1, &texture_);
+  eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), image_);
+  wl_egl_pixmap_destroy(pixmap_);
+}