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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "CCScheduler.h" | 7 #include "CCScheduler.h" |
8 | 8 |
9 #include "TraceEvent.h" | 9 #include "TraceEvent.h" |
10 #include <base/auto_reset.h> | 10 #include <base/auto_reset.h> |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 CCScheduler::CCScheduler(CCSchedulerClient* client, scoped_ptr<CCFrameRateContro
ller> frameRateController) | 14 Scheduler::Scheduler(SchedulerClient* client, scoped_ptr<FrameRateController> fr
ameRateController) |
15 : m_client(client) | 15 : m_client(client) |
16 , m_frameRateController(frameRateController.Pass()) | 16 , m_frameRateController(frameRateController.Pass()) |
17 , m_insideProcessScheduledActions(false) | 17 , m_insideProcessScheduledActions(false) |
18 { | 18 { |
19 ASSERT(m_client); | 19 ASSERT(m_client); |
20 m_frameRateController->setClient(this); | 20 m_frameRateController->setClient(this); |
21 ASSERT(!m_stateMachine.vsyncCallbackNeeded()); | 21 ASSERT(!m_stateMachine.vsyncCallbackNeeded()); |
22 } | 22 } |
23 | 23 |
24 CCScheduler::~CCScheduler() | 24 Scheduler::~Scheduler() |
25 { | 25 { |
26 m_frameRateController->setActive(false); | 26 m_frameRateController->setActive(false); |
27 } | 27 } |
28 | 28 |
29 void CCScheduler::setCanBeginFrame(bool can) | 29 void Scheduler::setCanBeginFrame(bool can) |
30 { | 30 { |
31 m_stateMachine.setCanBeginFrame(can); | 31 m_stateMachine.setCanBeginFrame(can); |
32 processScheduledActions(); | 32 processScheduledActions(); |
33 } | 33 } |
34 | 34 |
35 void CCScheduler::setVisible(bool visible) | 35 void Scheduler::setVisible(bool visible) |
36 { | 36 { |
37 m_stateMachine.setVisible(visible); | 37 m_stateMachine.setVisible(visible); |
38 processScheduledActions(); | 38 processScheduledActions(); |
39 } | 39 } |
40 | 40 |
41 void CCScheduler::setCanDraw(bool canDraw) | 41 void Scheduler::setCanDraw(bool canDraw) |
42 { | 42 { |
43 m_stateMachine.setCanDraw(canDraw); | 43 m_stateMachine.setCanDraw(canDraw); |
44 processScheduledActions(); | 44 processScheduledActions(); |
45 } | 45 } |
46 | 46 |
47 void CCScheduler::setNeedsCommit() | 47 void Scheduler::setNeedsCommit() |
48 { | 48 { |
49 m_stateMachine.setNeedsCommit(); | 49 m_stateMachine.setNeedsCommit(); |
50 processScheduledActions(); | 50 processScheduledActions(); |
51 } | 51 } |
52 | 52 |
53 void CCScheduler::setNeedsForcedCommit() | 53 void Scheduler::setNeedsForcedCommit() |
54 { | 54 { |
55 m_stateMachine.setNeedsForcedCommit(); | 55 m_stateMachine.setNeedsForcedCommit(); |
56 processScheduledActions(); | 56 processScheduledActions(); |
57 } | 57 } |
58 | 58 |
59 void CCScheduler::setNeedsRedraw() | 59 void Scheduler::setNeedsRedraw() |
60 { | 60 { |
61 m_stateMachine.setNeedsRedraw(); | 61 m_stateMachine.setNeedsRedraw(); |
62 processScheduledActions(); | 62 processScheduledActions(); |
63 } | 63 } |
64 | 64 |
65 void CCScheduler::setNeedsForcedRedraw() | 65 void Scheduler::setNeedsForcedRedraw() |
66 { | 66 { |
67 m_stateMachine.setNeedsForcedRedraw(); | 67 m_stateMachine.setNeedsForcedRedraw(); |
68 processScheduledActions(); | 68 processScheduledActions(); |
69 } | 69 } |
70 | 70 |
71 void CCScheduler::setMainThreadNeedsLayerTextures() | 71 void Scheduler::setMainThreadNeedsLayerTextures() |
72 { | 72 { |
73 m_stateMachine.setMainThreadNeedsLayerTextures(); | 73 m_stateMachine.setMainThreadNeedsLayerTextures(); |
74 processScheduledActions(); | 74 processScheduledActions(); |
75 } | 75 } |
76 | 76 |
77 void CCScheduler::beginFrameComplete() | 77 void Scheduler::beginFrameComplete() |
78 { | 78 { |
79 TRACE_EVENT0("cc", "CCScheduler::beginFrameComplete"); | 79 TRACE_EVENT0("cc", "Scheduler::beginFrameComplete"); |
80 m_stateMachine.beginFrameComplete(); | 80 m_stateMachine.beginFrameComplete(); |
81 processScheduledActions(); | 81 processScheduledActions(); |
82 } | 82 } |
83 | 83 |
84 void CCScheduler::beginFrameAborted() | 84 void Scheduler::beginFrameAborted() |
85 { | 85 { |
86 TRACE_EVENT0("cc", "CCScheduler::beginFrameAborted"); | 86 TRACE_EVENT0("cc", "Scheduler::beginFrameAborted"); |
87 m_stateMachine.beginFrameAborted(); | 87 m_stateMachine.beginFrameAborted(); |
88 processScheduledActions(); | 88 processScheduledActions(); |
89 } | 89 } |
90 | 90 |
91 void CCScheduler::setMaxFramesPending(int maxFramesPending) | 91 void Scheduler::setMaxFramesPending(int maxFramesPending) |
92 { | 92 { |
93 m_frameRateController->setMaxFramesPending(maxFramesPending); | 93 m_frameRateController->setMaxFramesPending(maxFramesPending); |
94 } | 94 } |
95 | 95 |
96 void CCScheduler::setSwapBuffersCompleteSupported(bool supported) | 96 void Scheduler::setSwapBuffersCompleteSupported(bool supported) |
97 { | 97 { |
98 m_frameRateController->setSwapBuffersCompleteSupported(supported); | 98 m_frameRateController->setSwapBuffersCompleteSupported(supported); |
99 } | 99 } |
100 | 100 |
101 void CCScheduler::didSwapBuffersComplete() | 101 void Scheduler::didSwapBuffersComplete() |
102 { | 102 { |
103 TRACE_EVENT0("cc", "CCScheduler::didSwapBuffersComplete"); | 103 TRACE_EVENT0("cc", "Scheduler::didSwapBuffersComplete"); |
104 m_frameRateController->didFinishFrame(); | 104 m_frameRateController->didFinishFrame(); |
105 } | 105 } |
106 | 106 |
107 void CCScheduler::didLoseContext() | 107 void Scheduler::didLoseContext() |
108 { | 108 { |
109 TRACE_EVENT0("cc", "CCScheduler::didLoseContext"); | 109 TRACE_EVENT0("cc", "Scheduler::didLoseContext"); |
110 m_frameRateController->didAbortAllPendingFrames(); | 110 m_frameRateController->didAbortAllPendingFrames(); |
111 m_stateMachine.didLoseContext(); | 111 m_stateMachine.didLoseContext(); |
112 processScheduledActions(); | 112 processScheduledActions(); |
113 } | 113 } |
114 | 114 |
115 void CCScheduler::didRecreateContext() | 115 void Scheduler::didRecreateContext() |
116 { | 116 { |
117 TRACE_EVENT0("cc", "CCScheduler::didRecreateContext"); | 117 TRACE_EVENT0("cc", "Scheduler::didRecreateContext"); |
118 m_stateMachine.didRecreateContext(); | 118 m_stateMachine.didRecreateContext(); |
119 processScheduledActions(); | 119 processScheduledActions(); |
120 } | 120 } |
121 | 121 |
122 void CCScheduler::setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDel
ta interval) | 122 void Scheduler::setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelta
interval) |
123 { | 123 { |
124 m_frameRateController->setTimebaseAndInterval(timebase, interval); | 124 m_frameRateController->setTimebaseAndInterval(timebase, interval); |
125 } | 125 } |
126 | 126 |
127 base::TimeTicks CCScheduler::anticipatedDrawTime() | 127 base::TimeTicks Scheduler::anticipatedDrawTime() |
128 { | 128 { |
129 return m_frameRateController->nextTickTime(); | 129 return m_frameRateController->nextTickTime(); |
130 } | 130 } |
131 | 131 |
132 void CCScheduler::vsyncTick(bool throttled) | 132 void Scheduler::vsyncTick(bool throttled) |
133 { | 133 { |
134 TRACE_EVENT1("cc", "CCScheduler::vsyncTick", "throttled", throttled); | 134 TRACE_EVENT1("cc", "Scheduler::vsyncTick", "throttled", throttled); |
135 if (!throttled) | 135 if (!throttled) |
136 m_stateMachine.didEnterVSync(); | 136 m_stateMachine.didEnterVSync(); |
137 processScheduledActions(); | 137 processScheduledActions(); |
138 if (!throttled) | 138 if (!throttled) |
139 m_stateMachine.didLeaveVSync(); | 139 m_stateMachine.didLeaveVSync(); |
140 } | 140 } |
141 | 141 |
142 void CCScheduler::processScheduledActions() | 142 void Scheduler::processScheduledActions() |
143 { | 143 { |
144 // We do not allow processScheduledActions to be recursive. | 144 // We do not allow processScheduledActions to be recursive. |
145 // The top-level call will iteratively execute the next action for us anyway
. | 145 // The top-level call will iteratively execute the next action for us anyway
. |
146 if (m_insideProcessScheduledActions) | 146 if (m_insideProcessScheduledActions) |
147 return; | 147 return; |
148 | 148 |
149 AutoReset<bool> markInside(&m_insideProcessScheduledActions, true); | 149 AutoReset<bool> markInside(&m_insideProcessScheduledActions, true); |
150 | 150 |
151 CCSchedulerStateMachine::Action action = m_stateMachine.nextAction(); | 151 SchedulerStateMachine::Action action = m_stateMachine.nextAction(); |
152 while (action != CCSchedulerStateMachine::ACTION_NONE) { | 152 while (action != SchedulerStateMachine::ACTION_NONE) { |
153 m_stateMachine.updateState(action); | 153 m_stateMachine.updateState(action); |
154 TRACE_EVENT1("cc", "CCScheduler::processScheduledActions()", "action", a
ction); | 154 TRACE_EVENT1("cc", "Scheduler::processScheduledActions()", "action", act
ion); |
155 | 155 |
156 switch (action) { | 156 switch (action) { |
157 case CCSchedulerStateMachine::ACTION_NONE: | 157 case SchedulerStateMachine::ACTION_NONE: |
158 break; | 158 break; |
159 case CCSchedulerStateMachine::ACTION_BEGIN_FRAME: | 159 case SchedulerStateMachine::ACTION_BEGIN_FRAME: |
160 m_client->scheduledActionBeginFrame(); | 160 m_client->scheduledActionBeginFrame(); |
161 break; | 161 break; |
162 case CCSchedulerStateMachine::ACTION_COMMIT: | 162 case SchedulerStateMachine::ACTION_COMMIT: |
163 m_client->scheduledActionCommit(); | 163 m_client->scheduledActionCommit(); |
164 break; | 164 break; |
165 case CCSchedulerStateMachine::ACTION_DRAW_IF_POSSIBLE: { | 165 case SchedulerStateMachine::ACTION_DRAW_IF_POSSIBLE: { |
166 CCScheduledActionDrawAndSwapResult result = m_client->scheduledActio
nDrawAndSwapIfPossible(); | 166 ScheduledActionDrawAndSwapResult result = m_client->scheduledActionD
rawAndSwapIfPossible(); |
167 m_stateMachine.didDrawIfPossibleCompleted(result.didDraw); | 167 m_stateMachine.didDrawIfPossibleCompleted(result.didDraw); |
168 if (result.didSwap) | 168 if (result.didSwap) |
169 m_frameRateController->didBeginFrame(); | 169 m_frameRateController->didBeginFrame(); |
170 break; | 170 break; |
171 } | 171 } |
172 case CCSchedulerStateMachine::ACTION_DRAW_FORCED: { | 172 case SchedulerStateMachine::ACTION_DRAW_FORCED: { |
173 CCScheduledActionDrawAndSwapResult result = m_client->scheduledActio
nDrawAndSwapForced(); | 173 ScheduledActionDrawAndSwapResult result = m_client->scheduledActionD
rawAndSwapForced(); |
174 if (result.didSwap) | 174 if (result.didSwap) |
175 m_frameRateController->didBeginFrame(); | 175 m_frameRateController->didBeginFrame(); |
176 break; | 176 break; |
177 } case CCSchedulerStateMachine::ACTION_BEGIN_CONTEXT_RECREATION: | 177 } case SchedulerStateMachine::ACTION_BEGIN_CONTEXT_RECREATION: |
178 m_client->scheduledActionBeginContextRecreation(); | 178 m_client->scheduledActionBeginContextRecreation(); |
179 break; | 179 break; |
180 case CCSchedulerStateMachine::ACTION_ACQUIRE_LAYER_TEXTURES_FOR_MAIN_THR
EAD: | 180 case SchedulerStateMachine::ACTION_ACQUIRE_LAYER_TEXTURES_FOR_MAIN_THREA
D: |
181 m_client->scheduledActionAcquireLayerTexturesForMainThread(); | 181 m_client->scheduledActionAcquireLayerTexturesForMainThread(); |
182 break; | 182 break; |
183 } | 183 } |
184 action = m_stateMachine.nextAction(); | 184 action = m_stateMachine.nextAction(); |
185 } | 185 } |
186 | 186 |
187 // Activate or deactivate the frame rate controller. | 187 // Activate or deactivate the frame rate controller. |
188 m_frameRateController->setActive(m_stateMachine.vsyncCallbackNeeded()); | 188 m_frameRateController->setActive(m_stateMachine.vsyncCallbackNeeded()); |
189 m_client->didAnticipatedDrawTimeChange(m_frameRateController->nextTickTime()
); | 189 m_client->didAnticipatedDrawTimeChange(m_frameRateController->nextTickTime()
); |
190 } | 190 } |
191 | 191 |
192 } // namespace cc | 192 } // namespace cc |
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