Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | #ifndef ANDROID_HWUI_SHAPE_CACHE_H |
| 18 | #define ANDROID_HWUI_SHAPE_CACHE_H |
| 19 | |
| 20 | #include <GLES2/gl2.h> |
| 21 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 22 | #include <SkBitmap.h> |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 23 | #include <SkCanvas.h> |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 24 | #include <SkPaint.h> |
| 25 | #include <SkPath.h> |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 26 | #include <SkRect.h> |
| 27 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 28 | #include "Debug.h" |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 29 | #include "Properties.h" |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 30 | #include "Texture.h" |
| 31 | #include "utils/Compare.h" |
| 32 | #include "utils/GenerationCache.h" |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 33 | |
| 34 | namespace android { |
| 35 | namespace uirenderer { |
| 36 | |
| 37 | /////////////////////////////////////////////////////////////////////////////// |
| 38 | // Defines |
| 39 | /////////////////////////////////////////////////////////////////////////////// |
| 40 | |
| 41 | // Debug |
| 42 | #if DEBUG_SHAPES |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame^] | 43 | #define SHAPE_LOGD(...) ALOGD(__VA_ARGS__) |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 44 | #else |
| 45 | #define SHAPE_LOGD(...) |
| 46 | #endif |
| 47 | |
| 48 | /////////////////////////////////////////////////////////////////////////////// |
| 49 | // Classes |
| 50 | /////////////////////////////////////////////////////////////////////////////// |
| 51 | |
| 52 | /** |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 53 | * Alpha texture used to represent a path. |
| 54 | */ |
| 55 | struct PathTexture: public Texture { |
| 56 | PathTexture(): Texture() { |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Left coordinate of the path bounds. |
| 61 | */ |
| 62 | float left; |
| 63 | /** |
| 64 | * Top coordinate of the path bounds. |
| 65 | */ |
| 66 | float top; |
| 67 | /** |
| 68 | * Offset to draw the path at the correct origin. |
| 69 | */ |
| 70 | float offset; |
| 71 | }; // struct PathTexture |
| 72 | |
| 73 | /** |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 74 | * Describe a shape in the shape cache. |
| 75 | */ |
| 76 | struct ShapeCacheEntry { |
| 77 | enum ShapeType { |
| 78 | kShapeNone, |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 79 | kShapeRect, |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 80 | kShapeRoundRect, |
| 81 | kShapeCircle, |
| 82 | kShapeOval, |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 83 | kShapeArc, |
| 84 | kShapePath |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 85 | }; |
| 86 | |
| 87 | ShapeCacheEntry() { |
| 88 | shapeType = kShapeNone; |
| 89 | join = SkPaint::kDefault_Join; |
| 90 | cap = SkPaint::kDefault_Cap; |
| 91 | style = SkPaint::kFill_Style; |
Romain Guy | 1af23a3 | 2011-03-24 16:03:55 -0700 | [diff] [blame] | 92 | float v = 4.0f; |
| 93 | miter = *(uint32_t*) &v; |
| 94 | v = 1.0f; |
| 95 | strokeWidth = *(uint32_t*) &v; |
| 96 | pathEffect = NULL; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 97 | } |
| 98 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 99 | ShapeCacheEntry(ShapeType type, SkPaint* paint) { |
| 100 | shapeType = type; |
| 101 | join = paint->getStrokeJoin(); |
| 102 | cap = paint->getStrokeCap(); |
| 103 | float v = paint->getStrokeMiter(); |
| 104 | miter = *(uint32_t*) &v; |
| 105 | v = paint->getStrokeWidth(); |
| 106 | strokeWidth = *(uint32_t*) &v; |
| 107 | style = paint->getStyle(); |
Romain Guy | b29cfbf | 2011-03-18 16:24:19 -0700 | [diff] [blame] | 108 | pathEffect = paint->getPathEffect(); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | virtual ~ShapeCacheEntry() { |
| 112 | } |
| 113 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 114 | ShapeType shapeType; |
| 115 | SkPaint::Join join; |
| 116 | SkPaint::Cap cap; |
| 117 | SkPaint::Style style; |
| 118 | uint32_t miter; |
| 119 | uint32_t strokeWidth; |
Romain Guy | b29cfbf | 2011-03-18 16:24:19 -0700 | [diff] [blame] | 120 | SkPathEffect* pathEffect; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 121 | |
| 122 | bool operator<(const ShapeCacheEntry& rhs) const { |
| 123 | LTE_INT(shapeType) { |
| 124 | LTE_INT(join) { |
| 125 | LTE_INT(cap) { |
| 126 | LTE_INT(style) { |
| 127 | LTE_INT(miter) { |
| 128 | LTE_INT(strokeWidth) { |
Romain Guy | b29cfbf | 2011-03-18 16:24:19 -0700 | [diff] [blame] | 129 | LTE_INT(pathEffect) { |
| 130 | return lessThan(rhs); |
| 131 | } |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 132 | } |
| 133 | } |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | return false; |
| 139 | } |
| 140 | |
| 141 | protected: |
| 142 | virtual bool lessThan(const ShapeCacheEntry& rhs) const { |
| 143 | return false; |
| 144 | } |
| 145 | }; // struct ShapeCacheEntry |
| 146 | |
| 147 | |
| 148 | struct RoundRectShapeCacheEntry: public ShapeCacheEntry { |
| 149 | RoundRectShapeCacheEntry(float width, float height, float rx, float ry, SkPaint* paint): |
| 150 | ShapeCacheEntry(ShapeCacheEntry::kShapeRoundRect, paint) { |
| 151 | mWidth = *(uint32_t*) &width; |
| 152 | mHeight = *(uint32_t*) &height; |
| 153 | mRx = *(uint32_t*) ℞ |
| 154 | mRy = *(uint32_t*) &ry; |
| 155 | } |
| 156 | |
| 157 | RoundRectShapeCacheEntry(): ShapeCacheEntry() { |
| 158 | mWidth = 0; |
| 159 | mHeight = 0; |
| 160 | mRx = 0; |
| 161 | mRy = 0; |
| 162 | } |
| 163 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 164 | bool lessThan(const ShapeCacheEntry& r) const { |
| 165 | const RoundRectShapeCacheEntry& rhs = (const RoundRectShapeCacheEntry&) r; |
| 166 | LTE_INT(mWidth) { |
| 167 | LTE_INT(mHeight) { |
| 168 | LTE_INT(mRx) { |
| 169 | LTE_INT(mRy) { |
| 170 | return false; |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | return false; |
| 176 | } |
| 177 | |
| 178 | private: |
| 179 | uint32_t mWidth; |
| 180 | uint32_t mHeight; |
| 181 | uint32_t mRx; |
| 182 | uint32_t mRy; |
| 183 | }; // RoundRectShapeCacheEntry |
| 184 | |
| 185 | struct CircleShapeCacheEntry: public ShapeCacheEntry { |
| 186 | CircleShapeCacheEntry(float radius, SkPaint* paint): |
| 187 | ShapeCacheEntry(ShapeCacheEntry::kShapeCircle, paint) { |
| 188 | mRadius = *(uint32_t*) &radius; |
| 189 | } |
| 190 | |
| 191 | CircleShapeCacheEntry(): ShapeCacheEntry() { |
| 192 | mRadius = 0; |
| 193 | } |
| 194 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 195 | bool lessThan(const ShapeCacheEntry& r) const { |
| 196 | const CircleShapeCacheEntry& rhs = (const CircleShapeCacheEntry&) r; |
| 197 | LTE_INT(mRadius) { |
| 198 | return false; |
| 199 | } |
| 200 | return false; |
| 201 | } |
| 202 | |
| 203 | private: |
| 204 | uint32_t mRadius; |
| 205 | }; // CircleShapeCacheEntry |
| 206 | |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 207 | struct OvalShapeCacheEntry: public ShapeCacheEntry { |
| 208 | OvalShapeCacheEntry(float width, float height, SkPaint* paint): |
| 209 | ShapeCacheEntry(ShapeCacheEntry::kShapeOval, paint) { |
| 210 | mWidth = *(uint32_t*) &width; |
| 211 | mHeight = *(uint32_t*) &height; |
| 212 | } |
| 213 | |
| 214 | OvalShapeCacheEntry(): ShapeCacheEntry() { |
| 215 | mWidth = mHeight = 0; |
| 216 | } |
| 217 | |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 218 | bool lessThan(const ShapeCacheEntry& r) const { |
| 219 | const OvalShapeCacheEntry& rhs = (const OvalShapeCacheEntry&) r; |
| 220 | LTE_INT(mWidth) { |
| 221 | LTE_INT(mHeight) { |
| 222 | return false; |
| 223 | } |
| 224 | } |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | private: |
| 229 | uint32_t mWidth; |
| 230 | uint32_t mHeight; |
| 231 | }; // OvalShapeCacheEntry |
| 232 | |
| 233 | struct RectShapeCacheEntry: public ShapeCacheEntry { |
| 234 | RectShapeCacheEntry(float width, float height, SkPaint* paint): |
| 235 | ShapeCacheEntry(ShapeCacheEntry::kShapeRect, paint) { |
| 236 | mWidth = *(uint32_t*) &width; |
| 237 | mHeight = *(uint32_t*) &height; |
| 238 | } |
| 239 | |
| 240 | RectShapeCacheEntry(): ShapeCacheEntry() { |
| 241 | mWidth = mHeight = 0; |
| 242 | } |
| 243 | |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 244 | bool lessThan(const ShapeCacheEntry& r) const { |
| 245 | const RectShapeCacheEntry& rhs = (const RectShapeCacheEntry&) r; |
| 246 | LTE_INT(mWidth) { |
| 247 | LTE_INT(mHeight) { |
| 248 | return false; |
| 249 | } |
| 250 | } |
| 251 | return false; |
| 252 | } |
| 253 | |
| 254 | private: |
| 255 | uint32_t mWidth; |
| 256 | uint32_t mHeight; |
| 257 | }; // RectShapeCacheEntry |
| 258 | |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 259 | struct ArcShapeCacheEntry: public ShapeCacheEntry { |
| 260 | ArcShapeCacheEntry(float width, float height, float startAngle, float sweepAngle, |
| 261 | bool useCenter, SkPaint* paint): |
| 262 | ShapeCacheEntry(ShapeCacheEntry::kShapeArc, paint) { |
| 263 | mWidth = *(uint32_t*) &width; |
| 264 | mHeight = *(uint32_t*) &height; |
| 265 | mStartAngle = *(uint32_t*) &startAngle; |
| 266 | mSweepAngle = *(uint32_t*) &sweepAngle; |
| 267 | mUseCenter = useCenter ? 1 : 0; |
| 268 | } |
| 269 | |
| 270 | ArcShapeCacheEntry(): ShapeCacheEntry() { |
| 271 | mWidth = 0; |
| 272 | mHeight = 0; |
| 273 | mStartAngle = 0; |
| 274 | mSweepAngle = 0; |
| 275 | mUseCenter = 0; |
| 276 | } |
| 277 | |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 278 | bool lessThan(const ShapeCacheEntry& r) const { |
| 279 | const ArcShapeCacheEntry& rhs = (const ArcShapeCacheEntry&) r; |
| 280 | LTE_INT(mWidth) { |
| 281 | LTE_INT(mHeight) { |
| 282 | LTE_INT(mStartAngle) { |
| 283 | LTE_INT(mSweepAngle) { |
| 284 | LTE_INT(mUseCenter) { |
| 285 | return false; |
| 286 | } |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | return false; |
| 292 | } |
| 293 | |
| 294 | private: |
| 295 | uint32_t mWidth; |
| 296 | uint32_t mHeight; |
| 297 | uint32_t mStartAngle; |
| 298 | uint32_t mSweepAngle; |
| 299 | uint32_t mUseCenter; |
| 300 | }; // ArcShapeCacheEntry |
| 301 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 302 | /** |
| 303 | * A simple LRU shape cache. The cache has a maximum size expressed in bytes. |
| 304 | * Any texture added to the cache causing the cache to grow beyond the maximum |
| 305 | * allowed size will also cause the oldest texture to be kicked out. |
| 306 | */ |
| 307 | template<typename Entry> |
| 308 | class ShapeCache: public OnEntryRemoved<Entry, PathTexture*> { |
| 309 | public: |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 310 | ShapeCache(const char* name, const char* propertyName, float defaultSize); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 311 | ~ShapeCache(); |
| 312 | |
| 313 | /** |
| 314 | * Used as a callback when an entry is removed from the cache. |
| 315 | * Do not invoke directly. |
| 316 | */ |
| 317 | void operator()(Entry& path, PathTexture*& texture); |
| 318 | |
| 319 | /** |
| 320 | * Clears the cache. This causes all textures to be deleted. |
| 321 | */ |
| 322 | void clear(); |
| 323 | |
| 324 | /** |
| 325 | * Sets the maximum size of the cache in bytes. |
| 326 | */ |
| 327 | void setMaxSize(uint32_t maxSize); |
| 328 | /** |
| 329 | * Returns the maximum size of the cache in bytes. |
| 330 | */ |
| 331 | uint32_t getMaxSize(); |
| 332 | /** |
| 333 | * Returns the current size of the cache in bytes. |
| 334 | */ |
| 335 | uint32_t getSize(); |
| 336 | |
| 337 | protected: |
| 338 | PathTexture* addTexture(const Entry& entry, const SkPath *path, const SkPaint* paint); |
| 339 | |
| 340 | PathTexture* get(Entry entry) { |
| 341 | return mCache.get(entry); |
| 342 | } |
| 343 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 344 | void removeTexture(PathTexture* texture); |
| 345 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 346 | GenerationCache<Entry, PathTexture*> mCache; |
| 347 | uint32_t mSize; |
| 348 | uint32_t mMaxSize; |
| 349 | GLuint mMaxTextureSize; |
| 350 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 351 | char* mName; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 352 | bool mDebugEnabled; |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 353 | |
| 354 | private: |
| 355 | /** |
| 356 | * Generates the texture from a bitmap into the specified texture structure. |
| 357 | */ |
| 358 | void generateTexture(SkBitmap& bitmap, Texture* texture); |
| 359 | |
| 360 | void init(); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 361 | }; // class ShapeCache |
| 362 | |
| 363 | class RoundRectShapeCache: public ShapeCache<RoundRectShapeCacheEntry> { |
| 364 | public: |
| 365 | RoundRectShapeCache(); |
| 366 | |
| 367 | PathTexture* getRoundRect(float width, float height, float rx, float ry, SkPaint* paint); |
| 368 | }; // class RoundRectShapeCache |
| 369 | |
| 370 | class CircleShapeCache: public ShapeCache<CircleShapeCacheEntry> { |
| 371 | public: |
| 372 | CircleShapeCache(); |
| 373 | |
| 374 | PathTexture* getCircle(float radius, SkPaint* paint); |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 375 | }; // class CircleShapeCache |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 376 | |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 377 | class OvalShapeCache: public ShapeCache<OvalShapeCacheEntry> { |
| 378 | public: |
| 379 | OvalShapeCache(); |
| 380 | |
| 381 | PathTexture* getOval(float width, float height, SkPaint* paint); |
| 382 | }; // class OvalShapeCache |
| 383 | |
| 384 | class RectShapeCache: public ShapeCache<RectShapeCacheEntry> { |
| 385 | public: |
| 386 | RectShapeCache(); |
| 387 | |
| 388 | PathTexture* getRect(float width, float height, SkPaint* paint); |
| 389 | }; // class RectShapeCache |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 390 | |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 391 | class ArcShapeCache: public ShapeCache<ArcShapeCacheEntry> { |
| 392 | public: |
| 393 | ArcShapeCache(); |
| 394 | |
| 395 | PathTexture* getArc(float width, float height, float startAngle, float sweepAngle, |
| 396 | bool useCenter, SkPaint* paint); |
| 397 | }; // class ArcShapeCache |
| 398 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 399 | /////////////////////////////////////////////////////////////////////////////// |
| 400 | // Constructors/destructor |
| 401 | /////////////////////////////////////////////////////////////////////////////// |
| 402 | |
| 403 | template<class Entry> |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 404 | ShapeCache<Entry>::ShapeCache(const char* name, const char* propertyName, float defaultSize): |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 405 | mCache(GenerationCache<ShapeCacheEntry, PathTexture*>::kUnlimitedCapacity), |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 406 | mSize(0), mMaxSize(MB(defaultSize)) { |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 407 | char property[PROPERTY_VALUE_MAX]; |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 408 | if (property_get(propertyName, property, NULL) > 0) { |
Romain Guy | c9855a5 | 2011-01-21 21:14:15 -0800 | [diff] [blame] | 409 | INIT_LOGD(" Setting %s cache size to %sMB", name, property); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 410 | setMaxSize(MB(atof(property))); |
| 411 | } else { |
Romain Guy | c9855a5 | 2011-01-21 21:14:15 -0800 | [diff] [blame] | 412 | INIT_LOGD(" Using default %s cache size of %.2fMB", name, defaultSize); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 413 | } |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 414 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 415 | size_t len = strlen(name); |
| 416 | mName = new char[len + 1]; |
| 417 | strcpy(mName, name); |
| 418 | mName[len] = '\0'; |
| 419 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 420 | init(); |
| 421 | } |
| 422 | |
| 423 | template<class Entry> |
| 424 | ShapeCache<Entry>::~ShapeCache() { |
| 425 | mCache.clear(); |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 426 | delete[] mName; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | template<class Entry> |
| 430 | void ShapeCache<Entry>::init() { |
| 431 | mCache.setOnEntryRemovedListener(this); |
| 432 | |
| 433 | GLint maxTextureSize; |
| 434 | glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); |
| 435 | mMaxTextureSize = maxTextureSize; |
| 436 | |
| 437 | mDebugEnabled = readDebugLevel() & kDebugCaches; |
| 438 | } |
| 439 | |
| 440 | /////////////////////////////////////////////////////////////////////////////// |
| 441 | // Size management |
| 442 | /////////////////////////////////////////////////////////////////////////////// |
| 443 | |
| 444 | template<class Entry> |
| 445 | uint32_t ShapeCache<Entry>::getSize() { |
| 446 | return mSize; |
| 447 | } |
| 448 | |
| 449 | template<class Entry> |
| 450 | uint32_t ShapeCache<Entry>::getMaxSize() { |
| 451 | return mMaxSize; |
| 452 | } |
| 453 | |
| 454 | template<class Entry> |
| 455 | void ShapeCache<Entry>::setMaxSize(uint32_t maxSize) { |
| 456 | mMaxSize = maxSize; |
| 457 | while (mSize > mMaxSize) { |
| 458 | mCache.removeOldest(); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | /////////////////////////////////////////////////////////////////////////////// |
| 463 | // Callbacks |
| 464 | /////////////////////////////////////////////////////////////////////////////// |
| 465 | |
| 466 | template<class Entry> |
| 467 | void ShapeCache<Entry>::operator()(Entry& path, PathTexture*& texture) { |
| 468 | removeTexture(texture); |
| 469 | } |
| 470 | |
| 471 | /////////////////////////////////////////////////////////////////////////////// |
| 472 | // Caching |
| 473 | /////////////////////////////////////////////////////////////////////////////// |
| 474 | |
| 475 | template<class Entry> |
| 476 | void ShapeCache<Entry>::removeTexture(PathTexture* texture) { |
| 477 | if (texture) { |
| 478 | const uint32_t size = texture->width * texture->height; |
| 479 | mSize -= size; |
| 480 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 481 | SHAPE_LOGD("ShapeCache::callback: delete %s: name, size, mSize = %d, %d, %d", |
| 482 | mName, texture->id, size, mSize); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 483 | if (mDebugEnabled) { |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame^] | 484 | ALOGD("Shape %s deleted, size = %d", mName, size); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | glDeleteTextures(1, &texture->id); |
| 488 | delete texture; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | template<class Entry> |
| 493 | PathTexture* ShapeCache<Entry>::addTexture(const Entry& entry, const SkPath *path, |
| 494 | const SkPaint* paint) { |
| 495 | const SkRect& bounds = path->getBounds(); |
| 496 | |
| 497 | const float pathWidth = fmax(bounds.width(), 1.0f); |
| 498 | const float pathHeight = fmax(bounds.height(), 1.0f); |
| 499 | |
Romain Guy | 40c4b86 | 2011-07-08 16:50:15 -0700 | [diff] [blame] | 500 | const float offset = (int) floorf(fmax(paint->getStrokeWidth(), 1.0f) * 1.5f + 0.5f); |
Romain Guy | 98029c8 | 2011-06-17 15:47:07 -0700 | [diff] [blame] | 501 | |
| 502 | const uint32_t width = uint32_t(pathWidth + offset * 2.0 + 0.5); |
| 503 | const uint32_t height = uint32_t(pathHeight + offset * 2.0 + 0.5); |
| 504 | |
| 505 | if (width > mMaxTextureSize || height > mMaxTextureSize) { |
Romain Guy | 8f9a9f6 | 2011-12-05 11:53:26 -0800 | [diff] [blame] | 506 | LOGW("Shape %s too large to be rendered into a texture (%dx%d, max=%dx%d)", |
| 507 | mName, width, height, mMaxTextureSize, mMaxTextureSize); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 508 | return NULL; |
| 509 | } |
| 510 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 511 | const uint32_t size = width * height; |
| 512 | // Don't even try to cache a bitmap that's bigger than the cache |
| 513 | if (size < mMaxSize) { |
| 514 | while (mSize + size > mMaxSize) { |
| 515 | mCache.removeOldest(); |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | PathTexture* texture = new PathTexture; |
| 520 | texture->left = bounds.fLeft; |
| 521 | texture->top = bounds.fTop; |
| 522 | texture->offset = offset; |
| 523 | texture->width = width; |
| 524 | texture->height = height; |
| 525 | texture->generation = path->getGenerationID(); |
| 526 | |
| 527 | SkBitmap bitmap; |
| 528 | bitmap.setConfig(SkBitmap::kA8_Config, width, height); |
| 529 | bitmap.allocPixels(); |
| 530 | bitmap.eraseColor(0); |
| 531 | |
| 532 | SkPaint pathPaint(*paint); |
| 533 | |
| 534 | // Make sure the paint is opaque, color, alpha, filter, etc. |
| 535 | // will be applied later when compositing the alpha8 texture |
| 536 | pathPaint.setColor(0xff000000); |
| 537 | pathPaint.setAlpha(255); |
| 538 | pathPaint.setColorFilter(NULL); |
| 539 | pathPaint.setMaskFilter(NULL); |
| 540 | pathPaint.setShader(NULL); |
| 541 | SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrc_Mode); |
Derek Sollenberger | 6062c59 | 2011-02-22 13:55:04 -0500 | [diff] [blame] | 542 | SkSafeUnref(pathPaint.setXfermode(mode)); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 543 | |
| 544 | SkCanvas canvas(bitmap); |
| 545 | canvas.translate(-bounds.fLeft + offset, -bounds.fTop + offset); |
| 546 | canvas.drawPath(*path, pathPaint); |
| 547 | |
| 548 | generateTexture(bitmap, texture); |
| 549 | |
| 550 | if (size < mMaxSize) { |
| 551 | mSize += size; |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 552 | SHAPE_LOGD("ShapeCache::get: create %s: name, size, mSize = %d, %d, %d", |
| 553 | mName, texture->id, size, mSize); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 554 | if (mDebugEnabled) { |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame^] | 555 | ALOGD("Shape %s created, size = %d", mName, size); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 556 | } |
| 557 | mCache.put(entry, texture); |
| 558 | } else { |
| 559 | texture->cleanup = true; |
| 560 | } |
| 561 | |
| 562 | return texture; |
| 563 | } |
| 564 | |
| 565 | template<class Entry> |
| 566 | void ShapeCache<Entry>::clear() { |
| 567 | mCache.clear(); |
| 568 | } |
| 569 | |
| 570 | template<class Entry> |
| 571 | void ShapeCache<Entry>::generateTexture(SkBitmap& bitmap, Texture* texture) { |
| 572 | SkAutoLockPixels alp(bitmap); |
| 573 | if (!bitmap.readyToDraw()) { |
| 574 | LOGE("Cannot generate texture from bitmap"); |
| 575 | return; |
| 576 | } |
| 577 | |
| 578 | glGenTextures(1, &texture->id); |
| 579 | |
| 580 | glBindTexture(GL_TEXTURE_2D, texture->id); |
| 581 | // Textures are Alpha8 |
| 582 | glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
| 583 | |
| 584 | texture->blend = true; |
| 585 | glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, texture->width, texture->height, 0, |
| 586 | GL_ALPHA, GL_UNSIGNED_BYTE, bitmap.getPixels()); |
| 587 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 588 | texture->setFilter(GL_LINEAR); |
| 589 | texture->setWrap(GL_CLAMP_TO_EDGE); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | }; // namespace uirenderer |
| 593 | }; // namespace android |
| 594 | |
| 595 | #endif // ANDROID_HWUI_SHAPE_CACHE_H |