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| 1 /* | 1 /* |
| 2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "GrBatchAtlas.h" | 8 #include "GrBatchAtlas.h" |
| 9 #include "GrBatchTarget.h" | 9 #include "GrBatchTarget.h" |
| 10 #include "GrGpu.h" | 10 #include "GrGpu.h" |
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| 26 // The backing GrTexture for a GrBatchAtlas is broken into a spatial grid of GrB
atchPlots. | 26 // The backing GrTexture for a GrBatchAtlas is broken into a spatial grid of GrB
atchPlots. |
| 27 // The GrBatchPlots keep track of subimage placement via their GrRectanizer. In
turn, a GrBatchPlot | 27 // The GrBatchPlots keep track of subimage placement via their GrRectanizer. In
turn, a GrBatchPlot |
| 28 // manages the lifetime of its data using two tokens, a last ref toke and a last
upload token. | 28 // manages the lifetime of its data using two tokens, a last ref toke and a last
upload token. |
| 29 // Once a GrBatchPlot is "full" (i.e. there is no room for the new subimage acco
rding to the | 29 // Once a GrBatchPlot is "full" (i.e. there is no room for the new subimage acco
rding to the |
| 30 // GrRectanizer), it can no longer be used unless the last ref on the GrPlot has
already been | 30 // GrRectanizer), it can no longer be used unless the last ref on the GrPlot has
already been |
| 31 // flushed through to the gpu. | 31 // flushed through to the gpu. |
| 32 | 32 |
| 33 class BatchPlot : public SkRefCnt { | 33 class BatchPlot : public SkRefCnt { |
| 34 public: | 34 public: |
| 35 typedef GrBatchAtlas::BatchToken BatchToken; | 35 typedef GrBatchAtlas::BatchToken BatchToken; |
| 36 SK_DECLARE_INST_COUNT(BatchPlot); | 36 |
| 37 SK_DECLARE_INTERNAL_LLIST_INTERFACE(BatchPlot); | 37 SK_DECLARE_INTERNAL_LLIST_INTERFACE(BatchPlot); |
| 38 | 38 |
| 39 // index() refers to the index of the plot in the owning GrAtlas's plot arra
y. genID() is a | 39 // index() refers to the index of the plot in the owning GrAtlas's plot arra
y. genID() is a |
| 40 // monotonically incrementing number which is bumped every time the cpu back
ing store is | 40 // monotonically incrementing number which is bumped every time the cpu back
ing store is |
| 41 // wiped, or when the plot itself is evicted from the atlas(ie, there is con
tinuity in genID() | 41 // wiped, or when the plot itself is evicted from the atlas(ie, there is con
tinuity in genID() |
| 42 // across atlas spills) | 42 // across atlas spills) |
| 43 int index() const { return fIndex; } | 43 int index() const { return fIndex; } |
| 44 int genID() const { return fGenID; } | 44 int genID() const { return fGenID; } |
| 45 GrBatchAtlas::AtlasID id() { return fID; } | 45 GrBatchAtlas::AtlasID id() { return fID; } |
| 46 | 46 |
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| 366 } | 366 } |
| 367 | 367 |
| 368 void GrBatchAtlas::setLastUseTokenBulk(const BulkUseTokenUpdater& updater, Batch
Token batchToken) { | 368 void GrBatchAtlas::setLastUseTokenBulk(const BulkUseTokenUpdater& updater, Batch
Token batchToken) { |
| 369 int count = updater.fPlotsToUpdate.count(); | 369 int count = updater.fPlotsToUpdate.count(); |
| 370 for (int i = 0; i < count; i++) { | 370 for (int i = 0; i < count; i++) { |
| 371 BatchPlot* plot = fPlotArray[updater.fPlotsToUpdate[i]]; | 371 BatchPlot* plot = fPlotArray[updater.fPlotsToUpdate[i]]; |
| 372 this->makeMRU(plot); | 372 this->makeMRU(plot); |
| 373 plot->setLastUseToken(batchToken); | 373 plot->setLastUseToken(batchToken); |
| 374 } | 374 } |
| 375 } | 375 } |
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