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/skpicture_content_layer_updater.h" 6 7 #include "base/debug/trace_event.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_queue.h" 12 #include "third_party/skia/include/core/SkCanvas.h" 13 14 namespace cc { 15 16 SkPictureContentLayerUpdater::SkPictureContentLayerUpdater( 17 scoped_ptr<LayerPainter> painter, 18 RenderingStatsInstrumentation* stats_instrumentation, 19 int layer_id) 20 : ContentLayerUpdater(painter.Pass(), stats_instrumentation, layer_id), 21 layer_is_opaque_(false) {} 22 23 SkPictureContentLayerUpdater::~SkPictureContentLayerUpdater() {} 24 25 void SkPictureContentLayerUpdater::PrepareToUpdate( 26 gfx::Rect content_rect, 27 gfx::Size, 28 float contents_width_scale, 29 float contents_height_scale, 30 gfx::Rect* resulting_opaque_rect) { 31 SkCanvas* canvas = 32 picture_.beginRecording(content_rect.width(), content_rect.height()); 33 base::TimeTicks start_time = 34 rendering_stats_instrumentation_->StartRecording(); 35 PaintContents(canvas, 36 content_rect, 37 contents_width_scale, 38 contents_height_scale, 39 resulting_opaque_rect); 40 base::TimeDelta duration = 41 rendering_stats_instrumentation_->EndRecording(start_time); 42 rendering_stats_instrumentation_->AddRecord( 43 duration, content_rect.width() * content_rect.height()); 44 picture_.endRecording(); 45 } 46 47 void SkPictureContentLayerUpdater::DrawPicture(SkCanvas* canvas) { 48 TRACE_EVENT0("cc", "SkPictureContentLayerUpdater::DrawPicture"); 49 canvas->drawPicture(picture_); 50 } 51 52 void SkPictureContentLayerUpdater::SetOpaque(bool opaque) { 53 layer_is_opaque_ = opaque; 54 } 55 56 } // namespace cc 57
