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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 #define LOG_TAG "OpenGLRenderer"
18 
19 #include <utils/Log.h>
20 
21 #include "Layer.h"
22 #include "LayerRenderer.h"
23 #include "OpenGLRenderer.h"
24 #include "Caches.h"
25 
26 namespace android {
27 namespace uirenderer {
28 
Layer(const uint32_t layerWidth,const uint32_t layerHeight)29 Layer::Layer(const uint32_t layerWidth, const uint32_t layerHeight) {
30     mesh = NULL;
31     meshIndices = NULL;
32     meshElementCount = 0;
33     cacheable = true;
34     dirty = false;
35     textureLayer = false;
36     renderTarget = GL_TEXTURE_2D;
37     texture.width = layerWidth;
38     texture.height = layerHeight;
39     colorFilter = NULL;
40     deferredUpdateScheduled = false;
41     renderer = NULL;
42     displayList = NULL;
43     fbo = 0;
44     Caches::getInstance().resourceCache.incrementRefcount(this);
45 }
46 
~Layer()47 Layer::~Layer() {
48     if (mesh) delete mesh;
49     if (meshIndices) delete meshIndices;
50     if (colorFilter) Caches::getInstance().resourceCache.decrementRefcount(colorFilter);
51     removeFbo();
52     deleteTexture();
53 }
54 
removeFbo()55 void Layer::removeFbo() {
56     if (fbo) {
57         LayerRenderer::flushLayer(this);
58         Caches::getInstance().fboCache.put(fbo);
59         fbo = 0;
60     }
61 }
62 
setPaint(SkPaint * paint)63 void Layer::setPaint(SkPaint* paint) {
64     OpenGLRenderer::getAlphaAndModeDirect(paint, &alpha, &mode);
65 }
66 
setColorFilter(SkiaColorFilter * filter)67 void Layer::setColorFilter(SkiaColorFilter* filter) {
68     if (colorFilter) {
69         Caches::getInstance().resourceCache.decrementRefcount(colorFilter);
70     }
71     colorFilter = filter;
72     if (colorFilter) {
73         Caches::getInstance().resourceCache.incrementRefcount(colorFilter);
74     }
75 }
76 
77 
78 
79 }; // namespace uirenderer
80 }; // namespace android
81