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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
John Reckd72e0a32014-05-29 18:56:11 -070033typedef void (*LayerDestroyer)(Layer* layer);
34
John Reck04fc5832014-02-05 16:38:25 -080035// Container to hold the properties a layer should be set to at the start
36// of a render pass
John Reckd72e0a32014-05-29 18:56:11 -070037class DeferredLayerUpdater : public VirtualLightRefBase {
John Reck04fc5832014-02-05 16:38:25 -080038public:
John Recka39dd592014-02-14 16:59:37 -080039 // Note that DeferredLayerUpdater assumes it is taking ownership of the layer
40 // and will not call incrementRef on it as a result.
John Reckd72e0a32014-05-29 18:56:11 -070041 ANDROID_API DeferredLayerUpdater(Layer* layer, LayerDestroyer = 0);
John Reck04fc5832014-02-05 16:38:25 -080042 ANDROID_API ~DeferredLayerUpdater();
43
44 ANDROID_API bool setSize(uint32_t width, uint32_t height) {
45 if (mWidth != width || mHeight != height) {
46 mWidth = width;
47 mHeight = height;
48 return true;
49 }
50 return false;
51 }
52
53 ANDROID_API bool setBlend(bool blend) {
54 if (blend != mBlend) {
55 mBlend = blend;
56 return true;
57 }
58 return false;
59 }
60
61 ANDROID_API void setSurfaceTexture(const sp<GLConsumer>& texture, bool needsAttach) {
62 if (texture.get() != mSurfaceTexture.get()) {
63 mNeedsGLContextAttach = needsAttach;
64 mSurfaceTexture = texture;
65 }
66 }
67
68 ANDROID_API void updateTexImage() {
69 mUpdateTexImage = true;
70 }
71
72 ANDROID_API void setTransform(const SkMatrix* matrix) {
73 delete mTransform;
74 mTransform = matrix ? new SkMatrix(*matrix) : 0;
75 }
76
Derek Sollenberger674554f2014-02-19 16:47:32 +000077 ANDROID_API void setPaint(const SkPaint* paint);
John Reck04fc5832014-02-05 16:38:25 -080078
John Reck860d1552014-04-11 19:15:05 -070079 ANDROID_API bool apply(TreeInfo& info);
John Reck04fc5832014-02-05 16:38:25 -080080
81 ANDROID_API Layer* backingLayer() {
82 return mLayer;
83 }
84
John Reck04fc5832014-02-05 16:38:25 -080085private:
86 // Generic properties
87 uint32_t mWidth;
88 uint32_t mHeight;
89 bool mBlend;
90 SkColorFilter* mColorFilter;
91 int mAlpha;
92 SkXfermode::Mode mMode;
93
John Reck04fc5832014-02-05 16:38:25 -080094 sp<GLConsumer> mSurfaceTexture;
95 SkMatrix* mTransform;
96 bool mNeedsGLContextAttach;
97 bool mUpdateTexImage;
98
99 Layer* mLayer;
John Reck04fc5832014-02-05 16:38:25 -0800100 Caches& mCaches;
101
John Reckd72e0a32014-05-29 18:56:11 -0700102 LayerDestroyer mDestroyer;
103
John Reck04fc5832014-02-05 16:38:25 -0800104 void doUpdateTexImage();
105};
106
107} /* namespace uirenderer */
108} /* namespace android */
109
110#endif /* DEFERREDLAYERUPDATE_H_ */