gpu: Change Produce/ConsumeTexture to allow texture sharing

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::LevelInfo::LevelInfo()
-    : target(0),
-      internal_format(0),
-      width(0),
-      height(0),
-      depth(0),
-      border(0),
-      format(0),
-      type(0),
-      cleared(true) {
-}
-
-TextureDefinition::TextureDefinition(GLenum target,
-                                     GLuint service_id,
-                                     GLenum min_filter,
-                                     GLenum mag_filter,
-                                     GLenum wrap_s,
-                                     GLenum wrap_t,
-                                     GLenum usage,
-                                     bool immutable,
-                                     bool stream_texture,
-                                     const LevelInfos& level_infos)
-    : target_(target),
-      service_id_(service_id),
-      min_filter_(min_filter),
-      mag_filter_(mag_filter),
-      wrap_s_(wrap_s),
-      wrap_t_(wrap_t),
-      usage_(usage),
-      immutable_(immutable),
-      stream_texture_(stream_texture),
-      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