1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "Layer.h"
18
19 #include "renderstate/RenderState.h"
20
21 #include <SkToSRGBColorFilter.h>
22
23 namespace android {
24 namespace uirenderer {
25
Layer(RenderState & renderState,Api api,sk_sp<SkColorFilter> colorFilter,int alpha,SkBlendMode mode)26 Layer::Layer(RenderState& renderState, Api api, sk_sp<SkColorFilter> colorFilter, int alpha,
27 SkBlendMode mode)
28 : GpuMemoryTracker(GpuObjectType::Layer)
29 , mRenderState(renderState)
30 , mApi(api)
31 , mColorFilter(colorFilter)
32 , alpha(alpha)
33 , mode(mode) {
34 // TODO: This is a violation of Android's typical ref counting, but it
35 // preserves the old inc/dec ref locations. This should be changed...
36 incStrong(nullptr);
37 buildColorSpaceWithFilter();
38 renderState.registerLayer(this);
39 }
40
~Layer()41 Layer::~Layer() {
42 mRenderState.unregisterLayer(this);
43 }
44
setColorFilter(sk_sp<SkColorFilter> filter)45 void Layer::setColorFilter(sk_sp<SkColorFilter> filter) {
46 if (filter != mColorFilter) {
47 mColorFilter = filter;
48 buildColorSpaceWithFilter();
49 }
50 }
51
setDataSpace(android_dataspace dataspace)52 void Layer::setDataSpace(android_dataspace dataspace) {
53 if (dataspace != mCurrentDataspace) {
54 mCurrentDataspace = dataspace;
55 buildColorSpaceWithFilter();
56 }
57 }
58
buildColorSpaceWithFilter()59 void Layer::buildColorSpaceWithFilter() {
60 sk_sp<SkColorFilter> colorSpaceFilter;
61 sk_sp<SkColorSpace> colorSpace = DataSpaceToColorSpace(mCurrentDataspace);
62 if (colorSpace && !colorSpace->isSRGB()) {
63 colorSpaceFilter = SkToSRGBColorFilter::Make(colorSpace);
64 }
65
66 if (mColorFilter && colorSpaceFilter) {
67 mColorSpaceWithFilter = mColorFilter->makeComposed(colorSpaceFilter);
68 } else if (colorSpaceFilter) {
69 mColorSpaceWithFilter = colorSpaceFilter;
70 } else {
71 mColorSpaceWithFilter = mColorFilter;
72 }
73 }
74
postDecStrong()75 void Layer::postDecStrong() {
76 mRenderState.postDecStrong(this);
77 }
78
79 }; // namespace uirenderer
80 }; // namespace android
81