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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "cc/resources/bitmap_content_layer_updater.h" | |
| 6 | |
| 7 #include "cc/debug/devtools_instrumentation.h" | |
| 8 #include "cc/debug/rendering_stats_instrumentation.h" | |
| 9 #include "cc/resources/layer_painter.h" | |
| 10 #include "cc/resources/prioritized_resource.h" | |
| 11 #include "cc/resources/resource_update.h" | |
| 12 #include "cc/resources/resource_update_queue.h" | |
| 13 #include "skia/ext/platform_canvas.h" | |
| 14 | |
| 15 namespace cc { | |
| 16 | |
| 17 BitmapContentLayerUpdater::Resource::Resource( | |
| 18 BitmapContentLayerUpdater* updater, | |
| 19 scoped_ptr<PrioritizedResource> texture) | |
| 20 : LayerUpdater::Resource(texture.Pass()), updater_(updater) {} | |
| 21 | |
| 22 BitmapContentLayerUpdater::Resource::~Resource() {} | |
| 23 | |
| 24 void BitmapContentLayerUpdater::Resource::Update( | |
| 25 ResourceUpdateQueue* queue, | |
| 26 const gfx::Rect& source_rect, | |
| 27 const gfx::Vector2d& dest_offset, | |
| 28 bool partial_update) { | |
| 29 updater_->UpdateTexture( | |
| 30 queue, texture(), source_rect, dest_offset, partial_update); | |
| 31 } | |
| 32 | |
| 33 scoped_refptr<BitmapContentLayerUpdater> BitmapContentLayerUpdater::Create( | |
| 34 scoped_ptr<LayerPainter> painter, | |
| 35 int layer_id) { | |
| 36 return make_scoped_refptr( | |
| 37 new BitmapContentLayerUpdater(painter.Pass(), | |
| 38 layer_id)); | |
| 39 } | |
| 40 | |
| 41 BitmapContentLayerUpdater::BitmapContentLayerUpdater( | |
| 42 scoped_ptr<LayerPainter> painter, | |
| 43 int layer_id) | |
| 44 : ContentLayerUpdater(painter.Pass(), layer_id) { | |
| 45 } | |
| 46 | |
| 47 BitmapContentLayerUpdater::~BitmapContentLayerUpdater() {} | |
| 48 | |
| 49 scoped_ptr<LayerUpdater::Resource> BitmapContentLayerUpdater::CreateResource( | |
| 50 PrioritizedResourceManager* manager) { | |
| 51 return make_scoped_ptr( | |
| 52 new Resource(this, PrioritizedResource::Create(manager))); | |
| 53 } | |
| 54 | |
| 55 void BitmapContentLayerUpdater::PrepareToUpdate(const gfx::Size& content_size, | |
| 56 const gfx::Rect& paint_rect, | |
| 57 const gfx::Size& tile_size, | |
| 58 float contents_width_scale, | |
| 59 float contents_height_scale) { | |
| 60 if (canvas_size_ != paint_rect.size()) { | |
| 61 devtools_instrumentation::ScopedLayerTask paint_setup( | |
| 62 devtools_instrumentation::kPaintSetup, layer_id_); | |
| 63 canvas_size_ = paint_rect.size(); | |
| 64 bitmap_backing_.allocN32Pixels( | |
| 65 canvas_size_.width(), canvas_size_.height(), layer_is_opaque_); | |
| 66 // TODO(danak): Remove when skia does the check for us: crbug.com/360384 | |
| 67 canvas_ = skia::AdoptRef(new SkCanvas(bitmap_backing_)); | |
| 68 DCHECK_EQ(paint_rect.width(), canvas_->getBaseLayerSize().width()); | |
| 69 DCHECK_EQ(paint_rect.height(), canvas_->getBaseLayerSize().height()); | |
| 70 } | |
| 71 | |
| 72 PaintContents(canvas_.get(), | |
| 73 content_size, | |
| 74 paint_rect, | |
| 75 contents_width_scale, | |
| 76 contents_height_scale); | |
| 77 } | |
| 78 | |
| 79 void BitmapContentLayerUpdater::UpdateTexture(ResourceUpdateQueue* queue, | |
| 80 PrioritizedResource* texture, | |
| 81 const gfx::Rect& source_rect, | |
| 82 const gfx::Vector2d& dest_offset, | |
| 83 bool partial_update) { | |
| 84 CHECK(canvas_); | |
| 85 ResourceUpdate upload = ResourceUpdate::Create( | |
| 86 texture, &bitmap_backing_, paint_rect(), source_rect, dest_offset); | |
| 87 if (partial_update) | |
| 88 queue->AppendPartialUpload(upload); | |
| 89 else | |
| 90 queue->AppendFullUpload(upload); | |
| 91 } | |
| 92 | |
| 93 void BitmapContentLayerUpdater::ReduceMemoryUsage() { | |
| 94 canvas_.clear(); | |
| 95 canvas_size_ = gfx::Size(); | |
| 96 } | |
| 97 | |
| 98 void BitmapContentLayerUpdater::SetOpaque(bool opaque) { | |
| 99 if (opaque != layer_is_opaque_) { | |
| 100 canvas_.clear(); | |
| 101 canvas_size_ = gfx::Size(); | |
| 102 } | |
| 103 | |
| 104 ContentLayerUpdater::SetOpaque(opaque); | |
| 105 } | |
| 106 | |
| 107 } // namespace cc | |
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Chromium Code Reviews
Issue 1194743002:
cc: Remove ResourceUpdateQueue and ResourceUpdateController. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master