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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/resources/compositing_display_item.h" | |
| 6 | |
| 7 #include "base/strings/stringprintf.h" | |
| 8 #include "base/trace_event/trace_event_argument.h" | |
| 9 #include "third_party/skia/include/core/SkCanvas.h" | |
| 10 #include "third_party/skia/include/core/SkPaint.h" | |
| 11 #include "third_party/skia/include/core/SkXfermode.h" | |
| 12 #include "ui/gfx/skia_util.h" | |
| 13 | |
| 14 namespace cc { | |
| 15 | |
| 16 CompositingDisplayItem::CompositingDisplayItem(float opacity, | |
| 17 SkXfermode::Mode xfermode, | |
| 18 SkRect* bounds, | |
| 19 skia::RefPtr<SkColorFilter> cf) | |
| 20 : opacity_(opacity), | |
| 21 xfermode_(xfermode), | |
| 22 has_bounds_(!!bounds), | |
| 23 color_filter_(cf) { | |
| 24 if (bounds) | |
| 25 bounds_ = SkRect(*bounds); | |
| 26 } | |
| 27 | |
| 28 CompositingDisplayItem::~CompositingDisplayItem() { | |
| 29 } | |
| 30 | |
| 31 void CompositingDisplayItem::Raster(SkCanvas* canvas, | |
| 32 SkDrawPictureCallback* callback) const { | |
| 33 SkPaint paint; | |
| 34 paint.setXfermodeMode(xfermode_); | |
| 35 paint.setAlpha(opacity_ * 255); | |
| 36 paint.setColorFilter(color_filter_.get()); | |
| 37 canvas->saveLayer(has_bounds_ ? &bounds_ : nullptr, &paint); | |
| 38 } | |
| 39 | |
| 40 bool CompositingDisplayItem::IsSuitableForGpuRasterization() const { | |
| 41 return true; | |
| 42 } | |
| 43 | |
| 44 int CompositingDisplayItem::ApproximateOpCount() const { | |
| 45 return 1; | |
| 46 } | |
| 47 | |
| 48 size_t CompositingDisplayItem::PictureMemoryUsage() const { | |
| 49 // TODO(pdr): Include color_filter's memory here. | |
| 50 return sizeof(float) + sizeof(bool) + sizeof(SkRect) + | |
| 51 sizeof(SkXfermode::Mode); | |
| 52 } | |
| 53 | |
| 54 void CompositingDisplayItem::AsValueInto( | |
| 55 base::trace_event::TracedValue* array) const { | |
| 56 array->AppendString(base::StringPrintf( | |
| 57 "CompositingDisplayItem opacity: %f, xfermode: %d", opacity_, xfermode_)); | |
| 58 if (has_bounds_) | |
| 59 array->AppendString(base::StringPrintf( | |
| 60 ", bounds: [%f, %f, %f, %f]", static_cast<float>(bounds_.x()), | |
| 61 static_cast<float>(bounds_.y()), static_cast<float>(bounds_.width()), | |
| 62 static_cast<float>(bounds_.height()))); | |
| 63 } | |
| 64 | |
| 65 EndCompositingDisplayItem::EndCompositingDisplayItem() { | |
| 66 } | |
| 67 | |
| 68 EndCompositingDisplayItem::~EndCompositingDisplayItem() { | |
| 69 } | |
| 70 | |
| 71 void EndCompositingDisplayItem::Raster(SkCanvas* canvas, | |
| 72 SkDrawPictureCallback* callback) const { | |
| 73 canvas->restore(); | |
| 74 } | |
| 75 | |
| 76 bool EndCompositingDisplayItem::IsSuitableForGpuRasterization() const { | |
| 77 return true; | |
| 78 } | |
| 79 | |
| 80 int EndCompositingDisplayItem::ApproximateOpCount() const { | |
| 81 return 0; | |
| 82 } | |
| 83 | |
| 84 size_t EndCompositingDisplayItem::PictureMemoryUsage() const { | |
| 85 return 0; | |
| 86 } | |
| 87 | |
| 88 void EndCompositingDisplayItem::AsValueInto( | |
| 89 base::trace_event::TracedValue* array) const { | |
| 90 array->AppendString("EndCompositingDisplayItem"); | |
| 91 } | |
| 92 | |
| 93 } // namespace cc | |
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Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master