1 /*
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 <utils/Log.h>
20 #include <utils/String8.h>
21
22 #include "Caches.h"
23 #include "Properties.h"
24 #include "LayerRenderer.h"
25
26 namespace android {
27
28 #ifdef USE_OPENGL_RENDERER
29 using namespace uirenderer;
30 ANDROID_SINGLETON_STATIC_INSTANCE(Caches);
31 #endif
32
33 namespace uirenderer {
34
35 ///////////////////////////////////////////////////////////////////////////////
36 // Macros
37 ///////////////////////////////////////////////////////////////////////////////
38
39 #if DEBUG_CACHE_FLUSH
40 #define FLUSH_LOGD(...) LOGD(__VA_ARGS__)
41 #else
42 #define FLUSH_LOGD(...)
43 #endif
44
45 ///////////////////////////////////////////////////////////////////////////////
46 // Constructors/destructor
47 ///////////////////////////////////////////////////////////////////////////////
48
Caches()49 Caches::Caches(): Singleton<Caches>(), blend(false), lastSrcMode(GL_ZERO),
50 lastDstMode(GL_ZERO), currentProgram(NULL) {
51 GLint maxTextureUnits;
52 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
53 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) {
54 LOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT);
55 }
56
57 glGenBuffers(1, &meshBuffer);
58 glBindBuffer(GL_ARRAY_BUFFER, meshBuffer);
59 glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW);
60
61 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
62
63 mCurrentBuffer = meshBuffer;
64 mRegionMesh = NULL;
65
66 mDebugLevel = readDebugLevel();
67 LOGD("Enabling debug mode %d", mDebugLevel);
68
69 #if RENDER_LAYERS_AS_REGIONS
70 INIT_LOGD("Layers will be composited as regions");
71 #endif
72 }
73
~Caches()74 Caches::~Caches() {
75 delete[] mRegionMesh;
76 }
77
78 ///////////////////////////////////////////////////////////////////////////////
79 // Debug
80 ///////////////////////////////////////////////////////////////////////////////
81
dumpMemoryUsage()82 void Caches::dumpMemoryUsage() {
83 String8 stringLog;
84 dumpMemoryUsage(stringLog);
85 LOGD("%s", stringLog.string());
86 }
87
dumpMemoryUsage(String8 & log)88 void Caches::dumpMemoryUsage(String8 &log) {
89 log.appendFormat("Current memory usage / total memory usage (bytes):\n");
90 log.appendFormat(" TextureCache %8d / %8d\n",
91 textureCache.getSize(), textureCache.getMaxSize());
92 log.appendFormat(" LayerCache %8d / %8d\n",
93 layerCache.getSize(), layerCache.getMaxSize());
94 log.appendFormat(" GradientCache %8d / %8d\n",
95 gradientCache.getSize(), gradientCache.getMaxSize());
96 log.appendFormat(" PathCache %8d / %8d\n",
97 pathCache.getSize(), pathCache.getMaxSize());
98 log.appendFormat(" CircleShapeCache %8d / %8d\n",
99 circleShapeCache.getSize(), circleShapeCache.getMaxSize());
100 log.appendFormat(" OvalShapeCache %8d / %8d\n",
101 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize());
102 log.appendFormat(" RoundRectShapeCache %8d / %8d\n",
103 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize());
104 log.appendFormat(" RectShapeCache %8d / %8d\n",
105 rectShapeCache.getSize(), rectShapeCache.getMaxSize());
106 log.appendFormat(" ArcShapeCache %8d / %8d\n",
107 arcShapeCache.getSize(), arcShapeCache.getMaxSize());
108 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(),
109 dropShadowCache.getMaxSize());
110 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) {
111 const uint32_t size = fontRenderer.getFontRendererSize(i);
112 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size);
113 }
114 log.appendFormat("Other:\n");
115 log.appendFormat(" FboCache %8d / %8d\n",
116 fboCache.getSize(), fboCache.getMaxSize());
117 log.appendFormat(" PatchCache %8d / %8d\n",
118 patchCache.getSize(), patchCache.getMaxSize());
119
120 uint32_t total = 0;
121 total += textureCache.getSize();
122 total += layerCache.getSize();
123 total += gradientCache.getSize();
124 total += pathCache.getSize();
125 total += dropShadowCache.getSize();
126 total += roundRectShapeCache.getSize();
127 total += circleShapeCache.getSize();
128 total += ovalShapeCache.getSize();
129 total += rectShapeCache.getSize();
130 total += arcShapeCache.getSize();
131 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) {
132 total += fontRenderer.getFontRendererSize(i);
133 }
134
135 log.appendFormat("Total memory usage:\n");
136 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f);
137 }
138
139 ///////////////////////////////////////////////////////////////////////////////
140 // Memory management
141 ///////////////////////////////////////////////////////////////////////////////
142
clearGarbage()143 void Caches::clearGarbage() {
144 textureCache.clearGarbage();
145 pathCache.clearGarbage();
146
147 Mutex::Autolock _l(mGarbageLock);
148
149 size_t count = mLayerGarbage.size();
150 for (size_t i = 0; i < count; i++) {
151 Layer* layer = mLayerGarbage.itemAt(i);
152 LayerRenderer::destroyLayer(layer);
153 }
154 mLayerGarbage.clear();
155 }
156
deleteLayerDeferred(Layer * layer)157 void Caches::deleteLayerDeferred(Layer* layer) {
158 Mutex::Autolock _l(mGarbageLock);
159 mLayerGarbage.push(layer);
160 }
161
flush(FlushMode mode)162 void Caches::flush(FlushMode mode) {
163 FLUSH_LOGD("Flushing caches (mode %d)", mode);
164
165 clearGarbage();
166
167 switch (mode) {
168 case kFlushMode_Full:
169 textureCache.clear();
170 patchCache.clear();
171 dropShadowCache.clear();
172 gradientCache.clear();
173 // fall through
174 case kFlushMode_Moderate:
175 pathCache.clear();
176 roundRectShapeCache.clear();
177 circleShapeCache.clear();
178 ovalShapeCache.clear();
179 rectShapeCache.clear();
180 arcShapeCache.clear();
181 // fall through
182 case kFlushMode_Layers:
183 layerCache.clear();
184 break;
185 }
186 }
187
188 ///////////////////////////////////////////////////////////////////////////////
189 // VBO
190 ///////////////////////////////////////////////////////////////////////////////
191
bindMeshBuffer()192 void Caches::bindMeshBuffer() {
193 bindMeshBuffer(meshBuffer);
194 }
195
bindMeshBuffer(const GLuint buffer)196 void Caches::bindMeshBuffer(const GLuint buffer) {
197 if (mCurrentBuffer != buffer) {
198 glBindBuffer(GL_ARRAY_BUFFER, buffer);
199 mCurrentBuffer = buffer;
200 }
201 }
202
unbindMeshBuffer()203 void Caches::unbindMeshBuffer() {
204 if (mCurrentBuffer) {
205 glBindBuffer(GL_ARRAY_BUFFER, 0);
206 mCurrentBuffer = 0;
207 }
208 }
209
getRegionMesh()210 TextureVertex* Caches::getRegionMesh() {
211 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region
212 if (!mRegionMesh) {
213 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4];
214
215 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6];
216 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) {
217 uint16_t quad = i * 4;
218 int index = i * 6;
219 regionIndices[index ] = quad; // top-left
220 regionIndices[index + 1] = quad + 1; // top-right
221 regionIndices[index + 2] = quad + 2; // bottom-left
222 regionIndices[index + 3] = quad + 2; // bottom-left
223 regionIndices[index + 4] = quad + 1; // top-right
224 regionIndices[index + 5] = quad + 3; // bottom-right
225 }
226
227 glGenBuffers(1, &mRegionMeshIndices);
228 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices);
229 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t),
230 regionIndices, GL_STATIC_DRAW);
231
232 delete[] regionIndices;
233 } else {
234 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices);
235 }
236
237 return mRegionMesh;
238 }
239
240 }; // namespace uirenderer
241 }; // namespace android
242