Allow textures to be moved from one GL context group to another.

gpu/command_buffer/service/texture_definition.cc

+// Copyright (c) 2012 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/command_buffer/service/texture_definition.h"
+
+namespace gpu {
+namespace gles2 {
+
+TextureDefinition::LevelInfo::LevelInfo(GLenum target,
+                                        GLenum internal_format,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLint border,
+                                        GLenum format,
+                                        GLenum type,
+                                        bool cleared)
+    : target(target),
+      internal_format(internal_format),
+      width(width),
+      height(height),
+      depth(depth),
+      border(border),
+      format(format),
+      type(type),
+      cleared(cleared) {
+}
+
+TextureDefinition::TextureDefinition(GLenum target,
+                                     GLuint service_id,
+                                     const LevelInfos& level_infos)
+    : target_(target),
+      service_id_(service_id),
+      level_infos_(level_infos) {
+}
+
+TextureDefinition::~TextureDefinition() {
+  DCHECK_EQ(0U, service_id_) << "TextureDefinition leaked texture.";
+}
+
+GLuint TextureDefinition::ReleaseServiceId() {
+  GLuint service_id = service_id_;
+  service_id_ = 0;
+  return service_id;
+}
+
+}  // namespace gles2
+}  // namespace gpu