blob: 13869aadea168eaf7e31674e923b47c95c8b9358 [file] [log] [blame]
Romain Guydda57022010-07-06 11:39:32 -07001/*
2 * Copyright (C) 2010 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 <GLES2/gl2.h>
20
Romain Guyf18fd992010-07-08 11:45:51 -070021#include <utils/Log.h>
22
Romain Guya1d3c912011-12-13 14:55:06 -080023#include "Caches.h"
Romain Guydda57022010-07-06 11:39:32 -070024#include "LayerCache.h"
Romain Guyfb8b7632010-08-23 21:05:08 -070025#include "Properties.h"
Romain Guydda57022010-07-06 11:39:32 -070026
27namespace android {
28namespace uirenderer {
29
30///////////////////////////////////////////////////////////////////////////////
31// Constructors/destructor
32///////////////////////////////////////////////////////////////////////////////
33
Romain Guy8550c4c2010-10-08 15:49:53 -070034LayerCache::LayerCache(): mSize(0), mMaxSize(MB(DEFAULT_LAYER_CACHE_SIZE)) {
Romain Guyfb8b7632010-08-23 21:05:08 -070035 char property[PROPERTY_VALUE_MAX];
36 if (property_get(PROPERTY_LAYER_CACHE_SIZE, property, NULL) > 0) {
Romain Guyc9855a52011-01-21 21:14:15 -080037 INIT_LOGD(" Setting layer cache size to %sMB", property);
Romain Guyfb8b7632010-08-23 21:05:08 -070038 setMaxSize(MB(atof(property)));
39 } else {
Romain Guyc9855a52011-01-21 21:14:15 -080040 INIT_LOGD(" Using default layer cache size of %.2fMB", DEFAULT_LAYER_CACHE_SIZE);
Romain Guyfb8b7632010-08-23 21:05:08 -070041 }
42}
43
Romain Guydda57022010-07-06 11:39:32 -070044LayerCache::~LayerCache() {
Romain Guy5f0c6a42010-07-07 13:06:26 -070045 clear();
Romain Guydda57022010-07-06 11:39:32 -070046}
47
48///////////////////////////////////////////////////////////////////////////////
49// Size management
50///////////////////////////////////////////////////////////////////////////////
51
52uint32_t LayerCache::getSize() {
53 return mSize;
54}
55
56uint32_t LayerCache::getMaxSize() {
57 return mMaxSize;
58}
59
60void LayerCache::setMaxSize(uint32_t maxSize) {
Romain Guy8550c4c2010-10-08 15:49:53 -070061 clear();
Romain Guydda57022010-07-06 11:39:32 -070062 mMaxSize = maxSize;
Romain Guydda57022010-07-06 11:39:32 -070063}
64
65///////////////////////////////////////////////////////////////////////////////
66// Caching
67///////////////////////////////////////////////////////////////////////////////
68
Romain Guye3a9b242013-01-08 11:15:30 -080069int LayerCache::LayerEntry::compare(const LayerCache::LayerEntry& lhs,
70 const LayerCache::LayerEntry& rhs) {
71 int deltaInt = int(lhs.mWidth) - int(rhs.mWidth);
72 if (deltaInt != 0) return deltaInt;
73
74 return int(lhs.mHeight) - int(rhs.mHeight);
75}
76
Romain Guydda57022010-07-06 11:39:32 -070077void LayerCache::deleteLayer(Layer* layer) {
78 if (layer) {
Chet Haase603f6de2012-09-14 15:31:25 -070079 LAYER_LOGD("Destroying layer %dx%d, fbo %d", layer->getWidth(), layer->getHeight(),
80 layer->getFbo());
Romain Guy9ace8f52011-07-07 20:50:11 -070081 mSize -= layer->getWidth() * layer->getHeight() * 4;
Chet Haase603f6de2012-09-14 15:31:25 -070082 Caches::getInstance().resourceCache.decrementRefcount(layer);
Romain Guydda57022010-07-06 11:39:32 -070083 }
84}
85
86void LayerCache::clear() {
Romain Guy8550c4c2010-10-08 15:49:53 -070087 size_t count = mCache.size();
88 for (size_t i = 0; i < count; i++) {
89 deleteLayer(mCache.itemAt(i).mLayer);
90 }
Romain Guydda57022010-07-06 11:39:32 -070091 mCache.clear();
Romain Guydda57022010-07-06 11:39:32 -070092}
93
John Reck3b202512014-06-23 13:13:08 -070094Layer* LayerCache::get(RenderState& renderState, const uint32_t width, const uint32_t height) {
Romain Guy8550c4c2010-10-08 15:49:53 -070095 Layer* layer = NULL;
Romain Guyf18fd992010-07-08 11:45:51 -070096
Romain Guy8550c4c2010-10-08 15:49:53 -070097 LayerEntry entry(width, height);
98 ssize_t index = mCache.indexOf(entry);
99
100 if (index >= 0) {
101 entry = mCache.itemAt(index);
102 mCache.removeAt(index);
103
104 layer = entry.mLayer;
Romain Guy9ace8f52011-07-07 20:50:11 -0700105 mSize -= layer->getWidth() * layer->getHeight() * 4;
Romain Guy8550c4c2010-10-08 15:49:53 -0700106
Romain Guy9ace8f52011-07-07 20:50:11 -0700107 LAYER_LOGD("Reusing layer %dx%d", layer->getWidth(), layer->getHeight());
Romain Guyf18fd992010-07-08 11:45:51 -0700108 } else {
Romain Guy8550c4c2010-10-08 15:49:53 -0700109 LAYER_LOGD("Creating new layer %dx%d", entry.mWidth, entry.mHeight);
Romain Guyf18fd992010-07-08 11:45:51 -0700110
John Reck3b202512014-06-23 13:13:08 -0700111 layer = new Layer(renderState, entry.mWidth, entry.mHeight);
Romain Guy9ace8f52011-07-07 20:50:11 -0700112 layer->setBlend(true);
113 layer->setEmpty(true);
114 layer->setFbo(0);
Romain Guyf18fd992010-07-08 11:45:51 -0700115
Romain Guy9ace8f52011-07-07 20:50:11 -0700116 layer->generateTexture();
117 layer->bindTexture();
Romain Guy39d252a2011-12-12 18:14:06 -0800118 layer->setFilter(GL_NEAREST);
119 layer->setWrap(GL_CLAMP_TO_EDGE, false);
Romain Guy0bb56672010-10-01 00:25:02 -0700120 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
121
Romain Guyeb993562010-10-05 18:14:38 -0700122#if DEBUG_LAYERS
Romain Guyeea60692011-07-26 20:35:55 -0700123 dump();
Romain Guyeb993562010-10-05 18:14:38 -0700124#endif
Romain Guydda57022010-07-06 11:39:32 -0700125 }
Romain Guyf18fd992010-07-08 11:45:51 -0700126
Romain Guydda57022010-07-06 11:39:32 -0700127 return layer;
128}
129
Romain Guyeea60692011-07-26 20:35:55 -0700130void LayerCache::dump() {
131 size_t size = mCache.size();
132 for (size_t i = 0; i < size; i++) {
133 const LayerEntry& entry = mCache.itemAt(i);
134 LAYER_LOGD(" Layer size %dx%d", entry.mWidth, entry.mHeight);
135 }
136}
137
Romain Guy8550c4c2010-10-08 15:49:53 -0700138bool LayerCache::put(Layer* layer) {
Romain Guy9ace8f52011-07-07 20:50:11 -0700139 if (!layer->isCacheable()) return false;
Romain Guyaa6c24c2011-04-28 18:40:04 -0700140
Romain Guy9ace8f52011-07-07 20:50:11 -0700141 const uint32_t size = layer->getWidth() * layer->getHeight() * 4;
Romain Guydda57022010-07-06 11:39:32 -0700142 // Don't even try to cache a layer that's bigger than the cache
143 if (size < mMaxSize) {
Romain Guy8550c4c2010-10-08 15:49:53 -0700144 // TODO: Use an LRU
Romain Guydda57022010-07-06 11:39:32 -0700145 while (mSize + size > mMaxSize) {
Romain Guye9108052010-10-12 18:15:42 -0700146 size_t position = 0;
Romain Guy28d8ff62011-08-22 14:01:34 -0700147#if LAYER_REMOVE_BIGGEST_FIRST
Romain Guye9108052010-10-12 18:15:42 -0700148 position = mCache.size() - 1;
149#endif
150 Layer* victim = mCache.itemAt(position).mLayer;
151 deleteLayer(victim);
152 mCache.removeAt(position);
Romain Guy8550c4c2010-10-08 15:49:53 -0700153
Romain Guye9108052010-10-12 18:15:42 -0700154 LAYER_LOGD(" Deleting layer %.2fx%.2f", victim->layer.getWidth(),
155 victim->layer.getHeight());
Romain Guydda57022010-07-06 11:39:32 -0700156 }
157
Romain Guye93482f2013-06-17 13:14:51 -0700158 layer->cancelDefer();
Romain Guy5c88fc72012-04-02 17:43:05 -0700159
Romain Guy8550c4c2010-10-08 15:49:53 -0700160 LayerEntry entry(layer);
161
162 mCache.add(entry);
Romain Guydda57022010-07-06 11:39:32 -0700163 mSize += size;
164
165 return true;
166 }
167 return false;
168}
169
170}; // namespace uirenderer
171}; // namespace android