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John Reck04fc5832014-02-05 16:38:25 -08001/*
2 * Copyright (C) 2014 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#ifndef DEFERREDLAYERUPDATE_H_
17#define DEFERREDLAYERUPDATE_H_
18
19#include <cutils/compiler.h>
20#include <gui/GLConsumer.h>
21#include <SkColorFilter.h>
22#include <SkMatrix.h>
23#include <utils/StrongPointer.h>
24
John Reck04fc5832014-02-05 16:38:25 -080025#include "Layer.h"
26#include "OpenGLRenderer.h"
27#include "Rect.h"
John Reck113e0822014-03-18 09:22:59 -070028#include "RenderNode.h"
John Reck04fc5832014-02-05 16:38:25 -080029
30namespace android {
31namespace uirenderer {
32
33// Container to hold the properties a layer should be set to at the start
34// of a render pass
35class DeferredLayerUpdater {
36public:
John Recka39dd592014-02-14 16:59:37 -080037 // Note that DeferredLayerUpdater assumes it is taking ownership of the layer
38 // and will not call incrementRef on it as a result.
John Reck04fc5832014-02-05 16:38:25 -080039 ANDROID_API DeferredLayerUpdater(Layer* layer, OpenGLRenderer* renderer = 0);
40 ANDROID_API ~DeferredLayerUpdater();
41
42 ANDROID_API bool setSize(uint32_t width, uint32_t height) {
43 if (mWidth != width || mHeight != height) {
44 mWidth = width;
45 mHeight = height;
46 return true;
47 }
48 return false;
49 }
50
51 ANDROID_API bool setBlend(bool blend) {
52 if (blend != mBlend) {
53 mBlend = blend;
54 return true;
55 }
56 return false;
57 }
58
59 ANDROID_API void setSurfaceTexture(const sp<GLConsumer>& texture, bool needsAttach) {
60 if (texture.get() != mSurfaceTexture.get()) {
61 mNeedsGLContextAttach = needsAttach;
62 mSurfaceTexture = texture;
63 }
64 }
65
66 ANDROID_API void updateTexImage() {
67 mUpdateTexImage = true;
68 }
69
70 ANDROID_API void setTransform(const SkMatrix* matrix) {
71 delete mTransform;
72 mTransform = matrix ? new SkMatrix(*matrix) : 0;
73 }
74
John Recke18264b2014-03-12 13:56:30 -070075 ANDROID_API void setDisplayList(RenderNode* displayList,
John Reck04fc5832014-02-05 16:38:25 -080076 int left, int top, int right, int bottom);
77
Derek Sollenberger674554f2014-02-19 16:47:32 +000078 ANDROID_API void setPaint(const SkPaint* paint);
John Reck04fc5832014-02-05 16:38:25 -080079
John Reck860d1552014-04-11 19:15:05 -070080 ANDROID_API bool apply(TreeInfo& info);
John Reck04fc5832014-02-05 16:38:25 -080081
82 ANDROID_API Layer* backingLayer() {
83 return mLayer;
84 }
85
86 ANDROID_API Layer* detachBackingLayer() {
87 Layer* layer = mLayer;
88 mLayer = 0;
89 return layer;
90 }
91
92private:
93 // Generic properties
94 uint32_t mWidth;
95 uint32_t mHeight;
96 bool mBlend;
97 SkColorFilter* mColorFilter;
98 int mAlpha;
99 SkXfermode::Mode mMode;
100
101 // Layer type specific properties
102 // displayList and surfaceTexture are mutually exclusive, only 1 may be set
103 // dirtyRect is only valid if displayList is set
John Reck087bc0c2014-04-04 16:20:08 -0700104 sp<RenderNode> mDisplayList;
John Reck04fc5832014-02-05 16:38:25 -0800105 Rect mDirtyRect;
106 sp<GLConsumer> mSurfaceTexture;
107 SkMatrix* mTransform;
108 bool mNeedsGLContextAttach;
109 bool mUpdateTexImage;
110
111 Layer* mLayer;
John Reck04fc5832014-02-05 16:38:25 -0800112 Caches& mCaches;
113
114 void doUpdateTexImage();
115};
116
117} /* namespace uirenderer */
118} /* namespace android */
119
120#endif /* DEFERREDLAYERUPDATE_H_ */