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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stack> | 5 #include <stack> |
6 #include <vector> | 6 #include <vector> |
7 | 7 |
8 #include "gpu/command_buffer/client/share_group.h" | 8 #include "gpu/command_buffer/client/share_group.h" |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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24 | 24 |
25 // The standard id handler. | 25 // The standard id handler. |
26 class IdHandler : public IdHandlerInterface { | 26 class IdHandler : public IdHandlerInterface { |
27 public: | 27 public: |
28 IdHandler() { } | 28 IdHandler() { } |
29 virtual ~IdHandler() { } | 29 virtual ~IdHandler() { } |
30 | 30 |
31 // Overridden from IdHandlerInterface. | 31 // Overridden from IdHandlerInterface. |
32 virtual void MakeIds( | 32 virtual void MakeIds( |
33 GLES2Implementation* /* gl_impl */, | 33 GLES2Implementation* /* gl_impl */, |
34 GLuint id_offset, GLsizei n, GLuint* ids) OVERRIDE { | 34 GLuint id_offset, GLsizei n, GLuint* ids) override { |
35 base::AutoLock auto_lock(lock_); | 35 base::AutoLock auto_lock(lock_); |
36 if (id_offset == 0) { | 36 if (id_offset == 0) { |
37 for (GLsizei ii = 0; ii < n; ++ii) { | 37 for (GLsizei ii = 0; ii < n; ++ii) { |
38 ids[ii] = id_allocator_.AllocateID(); | 38 ids[ii] = id_allocator_.AllocateID(); |
39 } | 39 } |
40 } else { | 40 } else { |
41 for (GLsizei ii = 0; ii < n; ++ii) { | 41 for (GLsizei ii = 0; ii < n; ++ii) { |
42 ids[ii] = id_allocator_.AllocateIDAtOrAbove(id_offset); | 42 ids[ii] = id_allocator_.AllocateIDAtOrAbove(id_offset); |
43 id_offset = ids[ii] + 1; | 43 id_offset = ids[ii] + 1; |
44 } | 44 } |
45 } | 45 } |
46 } | 46 } |
47 | 47 |
48 // Overridden from IdHandlerInterface. | 48 // Overridden from IdHandlerInterface. |
49 virtual bool FreeIds( | 49 virtual bool FreeIds( |
50 GLES2Implementation* gl_impl, | 50 GLES2Implementation* gl_impl, |
51 GLsizei n, const GLuint* ids, DeleteFn delete_fn) OVERRIDE { | 51 GLsizei n, const GLuint* ids, DeleteFn delete_fn) override { |
52 base::AutoLock auto_lock(lock_); | 52 base::AutoLock auto_lock(lock_); |
53 | 53 |
54 for (GLsizei ii = 0; ii < n; ++ii) { | 54 for (GLsizei ii = 0; ii < n; ++ii) { |
55 id_allocator_.FreeID(ids[ii]); | 55 id_allocator_.FreeID(ids[ii]); |
56 } | 56 } |
57 | 57 |
58 (gl_impl->*delete_fn)(n, ids); | 58 (gl_impl->*delete_fn)(n, ids); |
59 // We need to ensure that the delete call is evaluated on the service side | 59 // We need to ensure that the delete call is evaluated on the service side |
60 // before any other contexts issue commands using these client ids. | 60 // before any other contexts issue commands using these client ids. |
61 // TODO(vmiura): Can remove this by virtualizing internal ids, however | 61 // TODO(vmiura): Can remove this by virtualizing internal ids, however |
62 // this code only affects PPAPI for now. | 62 // this code only affects PPAPI for now. |
63 gl_impl->helper()->CommandBufferHelper::Flush(); | 63 gl_impl->helper()->CommandBufferHelper::Flush(); |
64 return true; | 64 return true; |
65 } | 65 } |
66 | 66 |
67 // Overridden from IdHandlerInterface. | 67 // Overridden from IdHandlerInterface. |
68 virtual bool MarkAsUsedForBind(GLuint id) OVERRIDE { | 68 virtual bool MarkAsUsedForBind(GLuint id) override { |
69 if (id == 0) | 69 if (id == 0) |
70 return true; | 70 return true; |
71 base::AutoLock auto_lock(lock_); | 71 base::AutoLock auto_lock(lock_); |
72 return id_allocator_.MarkAsUsed(id); | 72 return id_allocator_.MarkAsUsed(id); |
73 } | 73 } |
74 | 74 |
75 virtual void FreeContext(GLES2Implementation* gl_impl) OVERRIDE {} | 75 virtual void FreeContext(GLES2Implementation* gl_impl) override {} |
76 | 76 |
77 private: | 77 private: |
78 base::Lock lock_; | 78 base::Lock lock_; |
79 IdAllocator id_allocator_; | 79 IdAllocator id_allocator_; |
80 }; | 80 }; |
81 | 81 |
82 // An id handler that requires Gen before Bind. | 82 // An id handler that requires Gen before Bind. |
83 class StrictIdHandler : public IdHandlerInterface { | 83 class StrictIdHandler : public IdHandlerInterface { |
84 public: | 84 public: |
85 explicit StrictIdHandler(int id_namespace) : id_namespace_(id_namespace) {} | 85 explicit StrictIdHandler(int id_namespace) : id_namespace_(id_namespace) {} |
86 virtual ~StrictIdHandler() {} | 86 virtual ~StrictIdHandler() {} |
87 | 87 |
88 // Overridden from IdHandler. | 88 // Overridden from IdHandler. |
89 virtual void MakeIds(GLES2Implementation* gl_impl, | 89 virtual void MakeIds(GLES2Implementation* gl_impl, |
90 GLuint /* id_offset */, | 90 GLuint /* id_offset */, |
91 GLsizei n, | 91 GLsizei n, |
92 GLuint* ids) OVERRIDE { | 92 GLuint* ids) override { |
93 base::AutoLock auto_lock(lock_); | 93 base::AutoLock auto_lock(lock_); |
94 | 94 |
95 // Collect pending FreeIds from other flush_generation. | 95 // Collect pending FreeIds from other flush_generation. |
96 CollectPendingFreeIds(gl_impl); | 96 CollectPendingFreeIds(gl_impl); |
97 | 97 |
98 for (GLsizei ii = 0; ii < n; ++ii) { | 98 for (GLsizei ii = 0; ii < n; ++ii) { |
99 if (!free_ids_.empty()) { | 99 if (!free_ids_.empty()) { |
100 // Allocate a previously freed Id. | 100 // Allocate a previously freed Id. |
101 ids[ii] = free_ids_.top(); | 101 ids[ii] = free_ids_.top(); |
102 free_ids_.pop(); | 102 free_ids_.pop(); |
103 | 103 |
104 // Record kIdInUse state. | 104 // Record kIdInUse state. |
105 DCHECK(id_states_[ids[ii] - 1] == kIdFree); | 105 DCHECK(id_states_[ids[ii] - 1] == kIdFree); |
106 id_states_[ids[ii] - 1] = kIdInUse; | 106 id_states_[ids[ii] - 1] = kIdInUse; |
107 } else { | 107 } else { |
108 // Allocate a new Id. | 108 // Allocate a new Id. |
109 id_states_.push_back(kIdInUse); | 109 id_states_.push_back(kIdInUse); |
110 ids[ii] = id_states_.size(); | 110 ids[ii] = id_states_.size(); |
111 } | 111 } |
112 } | 112 } |
113 } | 113 } |
114 | 114 |
115 // Overridden from IdHandler. | 115 // Overridden from IdHandler. |
116 virtual bool FreeIds(GLES2Implementation* gl_impl, | 116 virtual bool FreeIds(GLES2Implementation* gl_impl, |
117 GLsizei n, | 117 GLsizei n, |
118 const GLuint* ids, | 118 const GLuint* ids, |
119 DeleteFn delete_fn) OVERRIDE { | 119 DeleteFn delete_fn) override { |
120 | 120 |
121 // Delete stub must run before CollectPendingFreeIds. | 121 // Delete stub must run before CollectPendingFreeIds. |
122 (gl_impl->*delete_fn)(n, ids); | 122 (gl_impl->*delete_fn)(n, ids); |
123 | 123 |
124 { | 124 { |
125 base::AutoLock auto_lock(lock_); | 125 base::AutoLock auto_lock(lock_); |
126 | 126 |
127 // Collect pending FreeIds from other flush_generation. | 127 // Collect pending FreeIds from other flush_generation. |
128 CollectPendingFreeIds(gl_impl); | 128 CollectPendingFreeIds(gl_impl); |
129 | 129 |
130 // Save Ids to free in a later flush_generation. | 130 // Save Ids to free in a later flush_generation. |
131 ShareGroupContextData::IdHandlerData* ctxt_data = | 131 ShareGroupContextData::IdHandlerData* ctxt_data = |
132 gl_impl->share_group_context_data()->id_handler_data(id_namespace_); | 132 gl_impl->share_group_context_data()->id_handler_data(id_namespace_); |
133 | 133 |
134 for (GLsizei ii = 0; ii < n; ++ii) { | 134 for (GLsizei ii = 0; ii < n; ++ii) { |
135 GLuint id = ids[ii]; | 135 GLuint id = ids[ii]; |
136 if (id != 0) { | 136 if (id != 0) { |
137 // Save freed Id for later. | 137 // Save freed Id for later. |
138 DCHECK(id_states_[id - 1] == kIdInUse); | 138 DCHECK(id_states_[id - 1] == kIdInUse); |
139 id_states_[id - 1] = kIdPendingFree; | 139 id_states_[id - 1] = kIdPendingFree; |
140 ctxt_data->freed_ids_.push_back(id); | 140 ctxt_data->freed_ids_.push_back(id); |
141 } | 141 } |
142 } | 142 } |
143 } | 143 } |
144 | 144 |
145 return true; | 145 return true; |
146 } | 146 } |
147 | 147 |
148 // Overridden from IdHandler. | 148 // Overridden from IdHandler. |
149 virtual bool MarkAsUsedForBind(GLuint id) OVERRIDE { | 149 virtual bool MarkAsUsedForBind(GLuint id) override { |
150 #ifndef NDEBUG | 150 #ifndef NDEBUG |
151 if (id != 0) { | 151 if (id != 0) { |
152 base::AutoLock auto_lock(lock_); | 152 base::AutoLock auto_lock(lock_); |
153 DCHECK(id_states_[id - 1] == kIdInUse); | 153 DCHECK(id_states_[id - 1] == kIdInUse); |
154 } | 154 } |
155 #endif | 155 #endif |
156 return true; | 156 return true; |
157 } | 157 } |
158 | 158 |
159 // Overridden from IdHandlerInterface. | 159 // Overridden from IdHandlerInterface. |
160 virtual void FreeContext(GLES2Implementation* gl_impl) OVERRIDE { | 160 virtual void FreeContext(GLES2Implementation* gl_impl) override { |
161 base::AutoLock auto_lock(lock_); | 161 base::AutoLock auto_lock(lock_); |
162 CollectPendingFreeIds(gl_impl); | 162 CollectPendingFreeIds(gl_impl); |
163 } | 163 } |
164 | 164 |
165 private: | 165 private: |
166 enum IdState { kIdFree, kIdPendingFree, kIdInUse }; | 166 enum IdState { kIdFree, kIdPendingFree, kIdInUse }; |
167 | 167 |
168 void CollectPendingFreeIds(GLES2Implementation* gl_impl) { | 168 void CollectPendingFreeIds(GLES2Implementation* gl_impl) { |
169 uint32 flush_generation = gl_impl->helper()->flush_generation(); | 169 uint32 flush_generation = gl_impl->helper()->flush_generation(); |
170 ShareGroupContextData::IdHandlerData* ctxt_data = | 170 ShareGroupContextData::IdHandlerData* ctxt_data = |
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191 | 191 |
192 // An id handler for ids that are never reused. | 192 // An id handler for ids that are never reused. |
193 class NonReusedIdHandler : public IdHandlerInterface { | 193 class NonReusedIdHandler : public IdHandlerInterface { |
194 public: | 194 public: |
195 NonReusedIdHandler() : last_id_(0) {} | 195 NonReusedIdHandler() : last_id_(0) {} |
196 virtual ~NonReusedIdHandler() {} | 196 virtual ~NonReusedIdHandler() {} |
197 | 197 |
198 // Overridden from IdHandlerInterface. | 198 // Overridden from IdHandlerInterface. |
199 virtual void MakeIds( | 199 virtual void MakeIds( |
200 GLES2Implementation* /* gl_impl */, | 200 GLES2Implementation* /* gl_impl */, |
201 GLuint id_offset, GLsizei n, GLuint* ids) OVERRIDE { | 201 GLuint id_offset, GLsizei n, GLuint* ids) override { |
202 base::AutoLock auto_lock(lock_); | 202 base::AutoLock auto_lock(lock_); |
203 for (GLsizei ii = 0; ii < n; ++ii) { | 203 for (GLsizei ii = 0; ii < n; ++ii) { |
204 ids[ii] = ++last_id_ + id_offset; | 204 ids[ii] = ++last_id_ + id_offset; |
205 } | 205 } |
206 } | 206 } |
207 | 207 |
208 // Overridden from IdHandlerInterface. | 208 // Overridden from IdHandlerInterface. |
209 virtual bool FreeIds( | 209 virtual bool FreeIds( |
210 GLES2Implementation* gl_impl, | 210 GLES2Implementation* gl_impl, |
211 GLsizei n, const GLuint* ids, DeleteFn delete_fn) OVERRIDE { | 211 GLsizei n, const GLuint* ids, DeleteFn delete_fn) override { |
212 // Ids are never freed. | 212 // Ids are never freed. |
213 (gl_impl->*delete_fn)(n, ids); | 213 (gl_impl->*delete_fn)(n, ids); |
214 return true; | 214 return true; |
215 } | 215 } |
216 | 216 |
217 // Overridden from IdHandlerInterface. | 217 // Overridden from IdHandlerInterface. |
218 virtual bool MarkAsUsedForBind(GLuint /* id */) OVERRIDE { | 218 virtual bool MarkAsUsedForBind(GLuint /* id */) override { |
219 // This is only used for Shaders and Programs which have no bind. | 219 // This is only used for Shaders and Programs which have no bind. |
220 return false; | 220 return false; |
221 } | 221 } |
222 | 222 |
223 virtual void FreeContext(GLES2Implementation* gl_impl) OVERRIDE {} | 223 virtual void FreeContext(GLES2Implementation* gl_impl) override {} |
224 | 224 |
225 private: | 225 private: |
226 base::Lock lock_; | 226 base::Lock lock_; |
227 GLuint last_id_; | 227 GLuint last_id_; |
228 }; | 228 }; |
229 | 229 |
230 ShareGroup::ShareGroup(bool bind_generates_resource) | 230 ShareGroup::ShareGroup(bool bind_generates_resource) |
231 : bind_generates_resource_(bind_generates_resource) { | 231 : bind_generates_resource_(bind_generates_resource) { |
232 if (bind_generates_resource) { | 232 if (bind_generates_resource) { |
233 for (int i = 0; i < id_namespaces::kNumIdNamespaces; ++i) { | 233 for (int i = 0; i < id_namespaces::kNumIdNamespaces; ++i) { |
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250 } | 250 } |
251 | 251 |
252 void ShareGroup::set_program_info_manager(ProgramInfoManager* manager) { | 252 void ShareGroup::set_program_info_manager(ProgramInfoManager* manager) { |
253 program_info_manager_.reset(manager); | 253 program_info_manager_.reset(manager); |
254 } | 254 } |
255 | 255 |
256 ShareGroup::~ShareGroup() {} | 256 ShareGroup::~ShareGroup() {} |
257 | 257 |
258 } // namespace gles2 | 258 } // namespace gles2 |
259 } // namespace gpu | 259 } // namespace gpu |
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