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| 1 // Copyright 2015 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 "services/gfx/compositor/render/render_layer.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "third_party/skia/include/core/SkCanvas.h" | |
| 9 #include "third_party/skia/include/core/SkPicture.h" | |
| 10 #include "third_party/skia/include/core/SkPictureRecorder.h" | |
| 11 | |
| 12 namespace compositor { | |
| 13 | |
| 14 RenderLayer::RenderLayer(const skia::RefPtr<SkPicture>& picture) | |
| 15 : picture_(picture) {} | |
| 16 | |
| 17 RenderLayer::~RenderLayer() {} | |
| 18 | |
| 19 RenderLayerBuilder::RenderLayerBuilder() : RenderLayerBuilder(nullptr) {} | |
| 20 | |
| 21 RenderLayerBuilder::RenderLayerBuilder(const SkRect* cull_rect) { | |
| 22 recorder_.beginRecording(cull_rect ? *cull_rect : SkRect::MakeLargest()); | |
| 23 canvas_ = recorder_.getRecordingCanvas(); | |
| 24 } | |
| 25 | |
| 26 RenderLayerBuilder::~RenderLayerBuilder() {} | |
| 27 | |
| 28 void RenderLayerBuilder::PushScene(uint32_t scene_token, uint32_t version) { | |
| 29 DCHECK(canvas_); | |
| 30 // TODO: remember scene information for hit testing | |
| 31 } | |
| 32 | |
| 33 void RenderLayerBuilder::PopScene() { | |
| 34 DCHECK(canvas_); | |
| 35 } | |
| 36 | |
| 37 void RenderLayerBuilder::PushNode(uint32_t node_id, uint32_t hit_id) { | |
| 38 DCHECK(canvas_); | |
| 39 // TODO: remember scene information for hit testing | |
| 40 // TODO: optimize save() / restore() commands | |
| 41 canvas_->save(); | |
| 42 } | |
| 43 | |
| 44 void RenderLayerBuilder::PopNode() { | |
| 45 DCHECK(canvas_); | |
| 46 // TODO: optimize save() / restore() commands | |
| 47 canvas_->restore(); | |
| 48 } | |
| 49 | |
| 50 void RenderLayerBuilder::ApplyTransform(const SkMatrix& content_transform) { | |
| 51 DCHECK(canvas_); | |
| 52 canvas_->concat(content_transform); | |
| 53 } | |
| 54 | |
| 55 void RenderLayerBuilder::ApplyClip(const SkRect& content_clip) { | |
| 56 DCHECK(canvas_); | |
| 57 canvas_->clipRect(content_clip); | |
| 58 } | |
| 59 | |
| 60 void RenderLayerBuilder::DrawRect(const SkRect& content_rect, | |
| 61 const SkPaint& paint) { | |
| 62 DCHECK(canvas_); | |
| 63 canvas_->drawRect(content_rect, paint); | |
| 64 } | |
| 65 | |
| 66 void RenderLayerBuilder::DrawImage(const std::shared_ptr<RenderImage>& image, | |
| 67 const SkRect& content_rect, | |
| 68 const SkRect& image_rect, | |
| 69 const SkPaint& paint) { | |
| 70 DCHECK(image); | |
| 71 DCHECK(canvas_); | |
| 72 canvas_->drawImageRect(image->image().get(), image_rect, content_rect, | |
| 73 &paint); | |
| 74 } | |
| 75 | |
| 76 void RenderLayerBuilder::DrawLayer(const std::shared_ptr<RenderLayer>& layer) { | |
| 77 DCHECK(canvas_); | |
| 78 canvas_->drawPicture(layer->picture().get()); | |
| 79 } | |
| 80 | |
| 81 void RenderLayerBuilder::DrawSavedLayer( | |
| 82 const std::shared_ptr<RenderLayer>& layer, | |
| 83 const SkRect& content_rect, | |
| 84 const SkPaint& paint) { | |
| 85 DCHECK(layer); | |
| 86 DCHECK(canvas_); | |
| 87 canvas_->saveLayer(content_rect, &paint); | |
| 88 canvas_->drawPicture(layer->picture().get()); | |
| 89 canvas_->restore(); | |
| 90 } | |
| 91 | |
| 92 std::shared_ptr<RenderLayer> RenderLayerBuilder::Build() { | |
| 93 DCHECK(canvas_); | |
| 94 canvas_ = nullptr; | |
| 95 return std::make_shared<RenderLayer>( | |
| 96 skia::AdoptRef(recorder_.endRecordingAsPicture())); | |
| 97 } | |
| 98 | |
| 99 } // namespace compositor | |
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Chromium Code Reviews
Issue 1749063002:
Mozart: Improve internal scene graph representation. (Closed)
Base URL: git@github.com:domokit/mojo.git@moz-0