1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "gpu/command_buffer/service/vertex_array_manager.h"
6#include "base/debug/trace_event.h"
7#include "base/logging.h"
8#include "gpu/command_buffer/common/gles2_cmd_utils.h"
9#include "gpu/command_buffer/service/buffer_manager.h"
10#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
11#include "gpu/command_buffer/service/vertex_attrib_manager.h"
12
13namespace gpu {
14namespace gles2 {
15
16VertexArrayManager::VertexArrayManager()
17    : vertex_attrib_manager_count_(0),
18      have_context_(true) {
19}
20
21VertexArrayManager::~VertexArrayManager() {
22  DCHECK(vertex_attrib_managers_.empty());
23  CHECK_EQ(vertex_attrib_manager_count_, 0u);
24}
25
26void VertexArrayManager::Destroy(bool have_context) {
27  have_context_ = have_context;
28  vertex_attrib_managers_.clear();
29}
30
31scoped_refptr<VertexAttribManager>
32VertexArrayManager::CreateVertexAttribManager(GLuint client_id,
33                                              GLuint service_id,
34                                              uint32 num_vertex_attribs,
35                                              bool client_visible) {
36  scoped_refptr<VertexAttribManager> vertex_attrib_manager(
37    new VertexAttribManager(this, service_id, num_vertex_attribs));
38
39  if (client_visible) {
40    std::pair<VertexAttribManagerMap::iterator, bool> result =
41        vertex_attrib_managers_.insert(
42            std::make_pair(client_id, vertex_attrib_manager));
43    DCHECK(result.second);
44  }
45
46  return vertex_attrib_manager;
47}
48
49VertexAttribManager* VertexArrayManager::GetVertexAttribManager(
50    GLuint client_id) {
51  VertexAttribManagerMap::iterator it = vertex_attrib_managers_.find(client_id);
52  return it != vertex_attrib_managers_.end() ? it->second.get() : NULL;
53}
54
55void VertexArrayManager::RemoveVertexAttribManager(GLuint client_id) {
56  VertexAttribManagerMap::iterator it = vertex_attrib_managers_.find(client_id);
57  if (it != vertex_attrib_managers_.end()) {
58    VertexAttribManager* vertex_attrib_manager = it->second.get();
59    vertex_attrib_manager->MarkAsDeleted();
60    vertex_attrib_managers_.erase(it);
61  }
62}
63
64void VertexArrayManager::StartTracking(
65    VertexAttribManager* /* vertex_attrib_manager */) {
66  ++vertex_attrib_manager_count_;
67}
68
69void VertexArrayManager::StopTracking(
70    VertexAttribManager* /* vertex_attrib_manager */) {
71  --vertex_attrib_manager_count_;
72}
73
74bool VertexArrayManager::GetClientId(
75    GLuint service_id, GLuint* client_id) const {
76  // This doesn't need to be fast. It's only used during slow queries.
77  for (VertexAttribManagerMap::const_iterator it =
78      vertex_attrib_managers_.begin();
79      it != vertex_attrib_managers_.end(); ++it) {
80    if (it->second->service_id() == service_id) {
81      *client_id = it->first;
82      return true;
83    }
84  }
85  return false;
86}
87
88}  // namespace gles2
89}  // namespace gpu
90
91
92