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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 "cc/layers/tiled_layer_impl.h" | 5 #include "cc/layers/tiled_layer_impl.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/debug/trace_event_argument.h" | 8 #include "base/debug/trace_event_argument.h" |
9 #include "base/strings/stringprintf.h" | 9 #include "base/strings/stringprintf.h" |
10 #include "cc/base/math_util.h" | 10 #include "cc/base/math_util.h" |
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46 | 46 |
47 DISALLOW_COPY_AND_ASSIGN(DrawableTile); | 47 DISALLOW_COPY_AND_ASSIGN(DrawableTile); |
48 }; | 48 }; |
49 | 49 |
50 TiledLayerImpl::TiledLayerImpl(LayerTreeImpl* tree_impl, int id) | 50 TiledLayerImpl::TiledLayerImpl(LayerTreeImpl* tree_impl, int id) |
51 : LayerImpl(tree_impl, id), skips_draw_(true) {} | 51 : LayerImpl(tree_impl, id), skips_draw_(true) {} |
52 | 52 |
53 TiledLayerImpl::~TiledLayerImpl() { | 53 TiledLayerImpl::~TiledLayerImpl() { |
54 } | 54 } |
55 | 55 |
56 ResourceProvider::ResourceId TiledLayerImpl::ContentsResourceId() const { | 56 void TiledLayerImpl::GetContentsResourceId( |
| 57 ResourceProvider::ResourceId* resource_id, |
| 58 gfx::Size* resource_size) const { |
57 // This function is only valid for single texture layers, e.g. masks. | 59 // This function is only valid for single texture layers, e.g. masks. |
58 DCHECK(tiler_); | 60 DCHECK(tiler_); |
59 // It's possible the mask layer is created but has no size or otherwise | 61 // It's possible the mask layer is created but has no size or otherwise |
60 // can't draw. | 62 // can't draw. |
61 if (tiler_->num_tiles_x() == 0 || tiler_->num_tiles_y() == 0) | 63 if (tiler_->num_tiles_x() == 0 || tiler_->num_tiles_y() == 0) { |
62 return 0; | 64 *resource_id = 0; |
| 65 return; |
| 66 } |
63 | 67 |
64 // Any other number of tiles other than 0 or 1 is incorrect for masks. | 68 // Any other number of tiles other than 0 or 1 is incorrect for masks. |
65 DCHECK_EQ(tiler_->num_tiles_x(), 1); | 69 DCHECK_EQ(tiler_->num_tiles_x(), 1); |
66 DCHECK_EQ(tiler_->num_tiles_y(), 1); | 70 DCHECK_EQ(tiler_->num_tiles_y(), 1); |
67 | 71 |
68 DrawableTile* tile = TileAt(0, 0); | 72 DrawableTile* tile = TileAt(0, 0); |
69 ResourceProvider::ResourceId resource_id = tile ? tile->resource_id() : 0; | 73 *resource_id = tile ? tile->resource_id() : 0; |
70 return resource_id; | 74 *resource_size = tiler_->tile_size(); |
71 } | 75 } |
72 | 76 |
73 bool TiledLayerImpl::HasTileAt(int i, int j) const { | 77 bool TiledLayerImpl::HasTileAt(int i, int j) const { |
74 return !!tiler_->TileAt(i, j); | 78 return !!tiler_->TileAt(i, j); |
75 } | 79 } |
76 | 80 |
77 bool TiledLayerImpl::HasResourceIdForTileAt(int i, int j) const { | 81 bool TiledLayerImpl::HasResourceIdForTileAt(int i, int j) const { |
78 return HasTileAt(i, j) && TileAt(i, j)->resource_id(); | 82 return HasTileAt(i, j) && TileAt(i, j)->resource_id(); |
79 } | 83 } |
80 | 84 |
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303 | 307 |
304 void TiledLayerImpl::ReleaseResources() { | 308 void TiledLayerImpl::ReleaseResources() { |
305 tiler_->reset(); | 309 tiler_->reset(); |
306 } | 310 } |
307 | 311 |
308 const char* TiledLayerImpl::LayerTypeAsString() const { | 312 const char* TiledLayerImpl::LayerTypeAsString() const { |
309 return "cc::TiledLayerImpl"; | 313 return "cc::TiledLayerImpl"; |
310 } | 314 } |
311 | 315 |
312 } // namespace cc | 316 } // namespace cc |
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