| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/resources/bitmap_skpicture_content_layer_updater.h" |
| |
| #include "base/time/time.h" |
| #include "cc/debug/rendering_stats_instrumentation.h" |
| #include "cc/resources/layer_painter.h" |
| #include "cc/resources/prioritized_resource.h" |
| #include "cc/resources/resource_update_queue.h" |
| #include "third_party/skia/include/core/SkBitmapDevice.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| |
| namespace cc { |
| |
| BitmapSkPictureContentLayerUpdater::Resource::Resource( |
| BitmapSkPictureContentLayerUpdater* updater, |
| scoped_ptr<PrioritizedResource> texture) |
| : ContentLayerUpdater::Resource(texture.Pass()), updater_(updater) {} |
| |
| void BitmapSkPictureContentLayerUpdater::Resource::Update( |
| ResourceUpdateQueue* queue, |
| gfx::Rect source_rect, |
| gfx::Vector2d dest_offset, |
| bool partial_update) { |
| bitmap_.setConfig( |
| SkBitmap::kARGB_8888_Config, source_rect.width(), source_rect.height(), 0, |
| updater_->layer_is_opaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
| bitmap_.allocPixels(); |
| SkBitmapDevice device(bitmap_); |
| SkCanvas canvas(&device); |
| updater_->PaintContentsRect(&canvas, source_rect); |
| |
| ResourceUpdate upload = ResourceUpdate::Create( |
| texture(), &bitmap_, source_rect, source_rect, dest_offset); |
| if (partial_update) |
| queue->AppendPartialUpload(upload); |
| else |
| queue->AppendFullUpload(upload); |
| } |
| |
| scoped_refptr<BitmapSkPictureContentLayerUpdater> |
| BitmapSkPictureContentLayerUpdater::Create( |
| scoped_ptr<LayerPainter> painter, |
| RenderingStatsInstrumentation* stats_instrumentation, |
| int layer_id) { |
| return make_scoped_refptr( |
| new BitmapSkPictureContentLayerUpdater(painter.Pass(), |
| stats_instrumentation, |
| layer_id)); |
| } |
| |
| BitmapSkPictureContentLayerUpdater::BitmapSkPictureContentLayerUpdater( |
| scoped_ptr<LayerPainter> painter, |
| RenderingStatsInstrumentation* stats_instrumentation, |
| int layer_id) |
| : SkPictureContentLayerUpdater(painter.Pass(), |
| stats_instrumentation, |
| layer_id) {} |
| |
| BitmapSkPictureContentLayerUpdater::~BitmapSkPictureContentLayerUpdater() {} |
| |
| scoped_ptr<LayerUpdater::Resource> |
| BitmapSkPictureContentLayerUpdater::CreateResource( |
| PrioritizedResourceManager* manager) { |
| return scoped_ptr<LayerUpdater::Resource>( |
| new Resource(this, PrioritizedResource::Create(manager))); |
| } |
| |
| void BitmapSkPictureContentLayerUpdater::PaintContentsRect( |
| SkCanvas* canvas, |
| gfx::Rect source_rect) { |
| // Translate the origin of content_rect to that of source_rect. |
| canvas->translate(content_rect().x() - source_rect.x(), |
| content_rect().y() - source_rect.y()); |
| base::TimeTicks start_time = |
| rendering_stats_instrumentation_->StartRecording(); |
| DrawPicture(canvas); |
| base::TimeDelta duration = |
| rendering_stats_instrumentation_->EndRecording(start_time); |
| rendering_stats_instrumentation_->AddRaster( |
| duration, |
| source_rect.width() * source_rect.height()); |
| } |
| |
| } // namespace cc |