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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 "config.h" | 5 #include "config.h" |
| 6 | 6 |
| 7 #include "CCTextureUpdateController.h" | 7 #include "CCTextureUpdateController.h" |
| 8 | 8 |
| 9 #include "GraphicsContext3D.h" | 9 #include "GraphicsContext3D.h" |
| 10 #include "TextureCopier.h" | 10 #include "TextureCopier.h" |
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| 27 | 27 |
| 28 } // anonymous namespace | 28 } // anonymous namespace |
| 29 | 29 |
| 30 namespace cc { | 30 namespace cc { |
| 31 | 31 |
| 32 size_t CCTextureUpdateController::maxPartialTextureUpdates() | 32 size_t CCTextureUpdateController::maxPartialTextureUpdates() |
| 33 { | 33 { |
| 34 return textureUpdatesPerTick; | 34 return textureUpdatesPerTick; |
| 35 } | 35 } |
| 36 | 36 |
| 37 void CCTextureUpdateController::updateTextures(CCResourceProvider* resourceProvi
der, TextureCopier* copier, TextureUploader* uploader, CCTextureUpdateQueue* que
ue, size_t count) | 37 void CCTextureUpdateController::updateTextures(CCResourceProvider* resourceProvi
der, TextureUploader* uploader, CCTextureUpdateQueue* queue, size_t count) |
| 38 { | 38 { |
| 39 if (queue->fullUploadSize() || queue->partialUploadSize()) { | 39 if (queue->fullUploadSize() || queue->partialUploadSize()) { |
| 40 if (uploader->isBusy()) | 40 if (uploader->isBusy()) |
| 41 return; | 41 return; |
| 42 | 42 |
| 43 uploader->beginUploads(); | 43 uploader->beginUploads(); |
| 44 | 44 |
| 45 size_t fullUploadCount = 0; | 45 size_t fullUploadCount = 0; |
| 46 while (queue->fullUploadSize() && fullUploadCount < count) { | 46 while (queue->fullUploadSize() && fullUploadCount < count) { |
| 47 uploader->uploadTexture(resourceProvider, queue->takeFirstFullUpload
()); | 47 uploader->uploadTexture(resourceProvider, queue->takeFirstFullUpload
()); |
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| 75 resourceProvider->shallowFlushIfSupported(); | 75 resourceProvider->shallowFlushIfSupported(); |
| 76 } | 76 } |
| 77 | 77 |
| 78 // Make sure there are no dangling partial uploads without a flush. | 78 // Make sure there are no dangling partial uploads without a flush. |
| 79 if (partialUploadCount % textureUploadFlushPeriod) | 79 if (partialUploadCount % textureUploadFlushPeriod) |
| 80 resourceProvider->shallowFlushIfSupported(); | 80 resourceProvider->shallowFlushIfSupported(); |
| 81 | 81 |
| 82 uploader->endUploads(); | 82 uploader->endUploads(); |
| 83 } | 83 } |
| 84 | 84 |
| 85 TextureCopier* copier = resourceProvider->textureCopier(); |
| 85 size_t copyCount = 0; | 86 size_t copyCount = 0; |
| 86 while (queue->copySize()) { | 87 while (queue->copySize()) { |
| 87 copier->copyTexture(queue->takeFirstCopy()); | 88 copier->copyTexture(queue->takeFirstCopy()); |
| 88 copyCount++; | 89 copyCount++; |
| 89 } | 90 } |
| 90 | 91 |
| 91 // If we've performed any texture copies, we need to insert a flush here int
o the compositor context | 92 // If we've performed any texture copies, we need to insert a flush here int
o the compositor context |
| 92 // before letting the main thread proceed as it may make draw calls to the s
ource texture of one of | 93 // before letting the main thread proceed as it may make draw calls to the s
ource texture of one of |
| 93 // our copy operations. | 94 // our copy operations. |
| 94 if (copyCount) | 95 if (copyCount) |
| 95 copier->flush(); | 96 copier->flush(); |
| 96 } | 97 } |
| 97 | 98 |
| 98 CCTextureUpdateController::CCTextureUpdateController(CCTextureUpdateControllerCl
ient* client, CCThread* thread, PassOwnPtr<CCTextureUpdateQueue> queue, CCResour
ceProvider* resourceProvider, TextureCopier* copier, TextureUploader* uploader) | 99 CCTextureUpdateController::CCTextureUpdateController(CCTextureUpdateControllerCl
ient* client, CCThread* thread, PassOwnPtr<CCTextureUpdateQueue> queue, CCResour
ceProvider* resourceProvider, TextureUploader* uploader) |
| 99 : m_client(client) | 100 : m_client(client) |
| 100 , m_timer(adoptPtr(new CCTimer(thread, this))) | 101 , m_timer(adoptPtr(new CCTimer(thread, this))) |
| 101 , m_queue(queue) | 102 , m_queue(queue) |
| 102 , m_resourceProvider(resourceProvider) | 103 , m_resourceProvider(resourceProvider) |
| 103 , m_copier(copier) | |
| 104 , m_uploader(uploader) | 104 , m_uploader(uploader) |
| 105 , m_monotonicTimeLimit(0) | 105 , m_monotonicTimeLimit(0) |
| 106 , m_firstUpdateAttempt(true) | 106 , m_firstUpdateAttempt(true) |
| 107 { | 107 { |
| 108 } | 108 } |
| 109 | 109 |
| 110 CCTextureUpdateController::~CCTextureUpdateController() | 110 CCTextureUpdateController::~CCTextureUpdateController() |
| 111 { | 111 { |
| 112 } | 112 } |
| 113 | 113 |
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| 131 m_timer->startOneShot(0); | 131 m_timer->startOneShot(0); |
| 132 | 132 |
| 133 m_firstUpdateAttempt = false; | 133 m_firstUpdateAttempt = false; |
| 134 } else | 134 } else |
| 135 updateMoreTexturesNow(); | 135 updateMoreTexturesNow(); |
| 136 } | 136 } |
| 137 | 137 |
| 138 void CCTextureUpdateController::finalize() | 138 void CCTextureUpdateController::finalize() |
| 139 { | 139 { |
| 140 while (m_queue->hasMoreUpdates()) | 140 while (m_queue->hasMoreUpdates()) |
| 141 updateTextures(m_resourceProvider, m_copier, m_uploader, m_queue.get(), | 141 updateTextures(m_resourceProvider, m_uploader, m_queue.get(), |
| 142 updateMoreTexturesSize()); | 142 updateMoreTexturesSize()); |
| 143 } | 143 } |
| 144 | 144 |
| 145 void CCTextureUpdateController::onTimerFired() | 145 void CCTextureUpdateController::onTimerFired() |
| 146 { | 146 { |
| 147 if (!updateMoreTexturesIfEnoughTimeRemaining()) | 147 if (!updateMoreTexturesIfEnoughTimeRemaining()) |
| 148 m_client->readyToFinalizeTextureUpdates(); | 148 m_client->readyToFinalizeTextureUpdates(); |
| 149 } | 149 } |
| 150 | 150 |
| 151 double CCTextureUpdateController::monotonicTimeNow() const | 151 double CCTextureUpdateController::monotonicTimeNow() const |
| (...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 205 } | 205 } |
| 206 | 206 |
| 207 // Make sure there are no dangling partial uploads without a flush. | 207 // Make sure there are no dangling partial uploads without a flush. |
| 208 if (uploadCount % textureUploadFlushPeriod) | 208 if (uploadCount % textureUploadFlushPeriod) |
| 209 m_resourceProvider->shallowFlushIfSupported(); | 209 m_resourceProvider->shallowFlushIfSupported(); |
| 210 | 210 |
| 211 m_uploader->endUploads(); | 211 m_uploader->endUploads(); |
| 212 } | 212 } |
| 213 | 213 |
| 214 } | 214 } |
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