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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 "cc/playback/compositing_display_item.h" | |
6 | |
7 #include <stddef.h> | |
8 #include <stdint.h> | |
9 | |
10 #include "base/strings/stringprintf.h" | |
11 #include "base/trace_event/trace_event_argument.h" | |
12 #include "third_party/skia/include/core/SkCanvas.h" | |
13 #include "third_party/skia/include/core/SkData.h" | |
14 #include "third_party/skia/include/core/SkFlattenable.h" | |
15 #include "third_party/skia/include/core/SkFlattenableSerialization.h" | |
16 #include "third_party/skia/include/core/SkPaint.h" | |
17 | |
18 #include "ui/gfx/skia_util.h" | |
19 | |
20 namespace cc { | |
21 | |
22 CompositingDisplayItem::CompositingDisplayItem( | |
23 uint8_t alpha, | |
24 SkBlendMode xfermode, | |
25 SkRect* bounds, | |
26 sk_sp<SkColorFilter> cf, | |
27 bool lcd_text_requires_opaque_layer) | |
28 : DisplayItem(COMPOSITING) { | |
29 SetNew(alpha, xfermode, bounds, std::move(cf), | |
30 lcd_text_requires_opaque_layer); | |
31 } | |
32 | |
33 CompositingDisplayItem::~CompositingDisplayItem() { | |
34 } | |
35 | |
36 void CompositingDisplayItem::SetNew(uint8_t alpha, | |
37 SkBlendMode xfermode, | |
38 SkRect* bounds, | |
39 sk_sp<SkColorFilter> cf, | |
40 bool lcd_text_requires_opaque_layer) { | |
41 alpha_ = alpha; | |
42 xfermode_ = xfermode; | |
43 has_bounds_ = !!bounds; | |
44 if (bounds) | |
45 bounds_ = SkRect(*bounds); | |
46 color_filter_ = std::move(cf); | |
47 lcd_text_requires_opaque_layer_ = lcd_text_requires_opaque_layer; | |
48 } | |
49 | |
50 void CompositingDisplayItem::Raster( | |
51 SkCanvas* canvas, | |
52 SkPicture::AbortCallback* callback) const { | |
53 SkPaint paint; | |
54 paint.setBlendMode(xfermode_); | |
55 paint.setAlpha(alpha_); | |
56 paint.setColorFilter(color_filter_); | |
57 const SkRect* bounds = has_bounds_ ? &bounds_ : nullptr; | |
58 if (lcd_text_requires_opaque_layer_) | |
59 canvas->saveLayer(bounds, &paint); | |
60 else | |
61 canvas->saveLayerPreserveLCDTextRequests(bounds, &paint); | |
62 } | |
63 | |
64 EndCompositingDisplayItem::EndCompositingDisplayItem() | |
65 : DisplayItem(END_COMPOSITING) {} | |
66 | |
67 EndCompositingDisplayItem::~EndCompositingDisplayItem() { | |
68 } | |
69 | |
70 void EndCompositingDisplayItem::Raster( | |
71 SkCanvas* canvas, | |
72 SkPicture::AbortCallback* callback) const { | |
73 canvas->restore(); | |
74 } | |
75 | |
76 } // namespace cc | |
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