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
13 namespace gpu {
14 namespace gles2 {
15
VertexArrayManager()16 VertexArrayManager::VertexArrayManager()
17 : vertex_attrib_manager_count_(0),
18 have_context_(true) {
19 }
20
~VertexArrayManager()21 VertexArrayManager::~VertexArrayManager() {
22 DCHECK(vertex_attrib_managers_.empty());
23 CHECK_EQ(vertex_attrib_manager_count_, 0u);
24 }
25
Destroy(bool have_context)26 void VertexArrayManager::Destroy(bool have_context) {
27 have_context_ = have_context;
28 vertex_attrib_managers_.clear();
29 }
30
31 scoped_refptr<VertexAttribManager>
CreateVertexAttribManager(GLuint client_id,GLuint service_id,uint32 num_vertex_attribs,bool client_visible)32 VertexArrayManager::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
GetVertexAttribManager(GLuint client_id)49 VertexAttribManager* 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
RemoveVertexAttribManager(GLuint client_id)55 void 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
StartTracking(VertexAttribManager *)64 void VertexArrayManager::StartTracking(
65 VertexAttribManager* /* vertex_attrib_manager */) {
66 ++vertex_attrib_manager_count_;
67 }
68
StopTracking(VertexAttribManager *)69 void VertexArrayManager::StopTracking(
70 VertexAttribManager* /* vertex_attrib_manager */) {
71 --vertex_attrib_manager_count_;
72 }
73
GetClientId(GLuint service_id,GLuint * client_id) const74 bool 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