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 #ifndef ANDROID_HWUI_DISPLAY_LIST_RENDERER_H 18 #define ANDROID_HWUI_DISPLAY_LIST_RENDERER_H 19 20 #include <SkMatrix.h> 21 #include <SkPaint.h> 22 #include <SkPath.h> 23 #include <cutils/compiler.h> 24 25 #include "DisplayList.h" 26 #include "DisplayListLogBuffer.h" 27 #include "OpenGLRenderer.h" 28 29 namespace android { 30 namespace uirenderer { 31 32 /////////////////////////////////////////////////////////////////////////////// 33 // Defines 34 /////////////////////////////////////////////////////////////////////////////// 35 36 #define MIN_WRITER_SIZE 4096 37 #define OP_MAY_BE_SKIPPED_MASK 0xff000000 38 39 // Debug 40 #if DEBUG_DISPLAY_LIST 41 #define DISPLAY_LIST_LOGD(...) ALOGD(__VA_ARGS__) 42 #else 43 #define DISPLAY_LIST_LOGD(...) 44 #endif 45 46 /////////////////////////////////////////////////////////////////////////////// 47 // Display list 48 /////////////////////////////////////////////////////////////////////////////// 49 50 class DeferredDisplayList; 51 class DisplayListRenderer; 52 class DisplayListOp; 53 class DrawOp; 54 class StateOp; 55 56 /** 57 * Records drawing commands in a display list for latter playback. 58 */ 59 class DisplayListRenderer: public OpenGLRenderer { 60 public: 61 ANDROID_API DisplayListRenderer(); 62 virtual ~DisplayListRenderer(); 63 64 ANDROID_API DisplayList* getDisplayList(DisplayList* displayList); 65 66 virtual bool isDeferred(); 67 68 virtual void setViewport(int width, int height); 69 virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 70 virtual void finish(); 71 72 virtual status_t callDrawGLFunction(Functor *functor, Rect& dirty); 73 74 virtual void interrupt(); 75 virtual void resume(); 76 77 virtual int save(int flags); 78 virtual void restore(); 79 virtual void restoreToCount(int saveCount); 80 81 virtual int saveLayer(float left, float top, float right, float bottom, 82 int alpha, SkXfermode::Mode mode, int flags); 83 84 virtual void translate(float dx, float dy); 85 virtual void rotate(float degrees); 86 virtual void scale(float sx, float sy); 87 virtual void skew(float sx, float sy); 88 89 virtual void setMatrix(SkMatrix* matrix); 90 virtual void concatMatrix(SkMatrix* matrix); 91 92 virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 93 virtual bool clipPath(SkPath* path, SkRegion::Op op); 94 virtual bool clipRegion(SkRegion* region, SkRegion::Op op); 95 96 virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags); 97 virtual status_t drawLayer(Layer* layer, float x, float y); 98 virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 99 virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 100 virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 101 float srcRight, float srcBottom, float dstLeft, float dstTop, 102 float dstRight, float dstBottom, SkPaint* paint); 103 virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 104 virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 105 float* vertices, int* colors, SkPaint* paint); 106 virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 107 const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 108 float left, float top, float right, float bottom, SkPaint* paint); 109 virtual status_t drawColor(int color, SkXfermode::Mode mode); 110 virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 111 virtual status_t drawRoundRect(float left, float top, float right, float bottom, 112 float rx, float ry, SkPaint* paint); 113 virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 114 virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 115 virtual status_t drawArc(float left, float top, float right, float bottom, 116 float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 117 virtual status_t drawPath(SkPath* path, SkPaint* paint); 118 virtual status_t drawLines(float* points, int count, SkPaint* paint); 119 virtual status_t drawPoints(float* points, int count, SkPaint* paint); 120 virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 121 float hOffset, float vOffset, SkPaint* paint); 122 virtual status_t drawPosText(const char* text, int bytesCount, int count, 123 const float* positions, SkPaint* paint); 124 virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 125 const float* positions, SkPaint* paint, float length, DrawOpMode drawOpMode); 126 127 virtual status_t drawRects(const float* rects, int count, SkPaint* paint); 128 129 virtual void resetShader(); 130 virtual void setupShader(SkiaShader* shader); 131 132 virtual void resetColorFilter(); 133 virtual void setupColorFilter(SkiaColorFilter* filter); 134 135 virtual void resetShadow(); 136 virtual void setupShadow(float radius, float dx, float dy, int color); 137 138 virtual void resetPaintFilter(); 139 virtual void setupPaintFilter(int clearBits, int setBits); 140 141 ANDROID_API void reset(); 142 143 sp<DisplayListData> getDisplayListData() const { 144 return mDisplayListData; 145 } 146 147 const Vector<SkBitmap*>& getBitmapResources() const { 148 return mBitmapResources; 149 } 150 151 const Vector<SkBitmap*>& getOwnedBitmapResources() const { 152 return mOwnedBitmapResources; 153 } 154 155 const Vector<SkiaColorFilter*>& getFilterResources() const { 156 return mFilterResources; 157 } 158 159 const Vector<SkiaShader*>& getShaders() const { 160 return mShaders; 161 } 162 163 const Vector<SkPaint*>& getPaints() const { 164 return mPaints; 165 } 166 167 const Vector<SkPath*>& getPaths() const { 168 return mPaths; 169 } 170 171 const SortedVector<SkPath*>& getSourcePaths() const { 172 return mSourcePaths; 173 } 174 175 const Vector<SkRegion*>& getRegions() const { 176 return mRegions; 177 } 178 179 const Vector<Layer*>& getLayers() const { 180 return mLayers; 181 } 182 183 const Vector<SkMatrix*>& getMatrices() const { 184 return mMatrices; 185 } 186 187 uint32_t getFunctorCount() const { 188 return mFunctorCount; 189 } 190 191 private: 192 void insertRestoreToCount(); 193 void insertTranslate(); 194 195 LinearAllocator& alloc() { return mDisplayListData->allocator; } 196 void addStateOp(StateOp* op); 197 void addDrawOp(DrawOp* op); 198 void addOpInternal(DisplayListOp* op) { 199 insertRestoreToCount(); 200 insertTranslate(); 201 mDisplayListData->displayListOps.add(op); 202 } 203 204 template<class T> 205 inline T* refBuffer(const T* srcBuffer, int32_t count) { 206 if (srcBuffer == NULL) return NULL; 207 T* dstBuffer = (T*) mDisplayListData->allocator.alloc(count * sizeof(T)); 208 memcpy(dstBuffer, srcBuffer, count * sizeof(T)); 209 return dstBuffer; 210 } 211 212 inline char* refText(const char* text, size_t byteLength) { 213 return (char*) refBuffer<uint8_t>((uint8_t*)text, byteLength); 214 } 215 216 inline SkPath* refPath(SkPath* path) { 217 if (!path) return NULL; 218 219 SkPath* pathCopy = mPathMap.valueFor(path); 220 if (pathCopy == NULL || pathCopy->getGenerationID() != path->getGenerationID()) { 221 pathCopy = new SkPath(*path); 222 pathCopy->setSourcePath(path); 223 // replaceValueFor() performs an add if the entry doesn't exist 224 mPathMap.replaceValueFor(path, pathCopy); 225 mPaths.add(pathCopy); 226 } 227 if (mSourcePaths.indexOf(path) < 0) { 228 mCaches.resourceCache.incrementRefcount(path); 229 mSourcePaths.add(path); 230 } 231 return pathCopy; 232 } 233 234 inline SkPaint* refPaint(SkPaint* paint) { 235 if (!paint) { 236 return paint; 237 } 238 239 SkPaint* paintCopy = mPaintMap.valueFor(paint); 240 if (paintCopy == NULL || paintCopy->getGenerationID() != paint->getGenerationID()) { 241 paintCopy = new SkPaint(*paint); 242 // replaceValueFor() performs an add if the entry doesn't exist 243 mPaintMap.replaceValueFor(paint, paintCopy); 244 mPaints.add(paintCopy); 245 } 246 247 return paintCopy; 248 } 249 250 inline SkRegion* refRegion(SkRegion* region) { 251 if (!region) { 252 return region; 253 } 254 255 SkRegion* regionCopy = mRegionMap.valueFor(region); 256 // TODO: Add generation ID to SkRegion 257 if (regionCopy == NULL) { 258 regionCopy = new SkRegion(*region); 259 // replaceValueFor() performs an add if the entry doesn't exist 260 mRegionMap.replaceValueFor(region, regionCopy); 261 mRegions.add(regionCopy); 262 } 263 264 return regionCopy; 265 } 266 267 inline SkMatrix* refMatrix(SkMatrix* matrix) { 268 // Copying the matrix is cheap and prevents against the user changing the original 269 // matrix before the operation that uses it 270 SkMatrix* copy = new SkMatrix(*matrix); 271 mMatrices.add(copy); 272 return copy; 273 } 274 275 inline Layer* refLayer(Layer* layer) { 276 mLayers.add(layer); 277 mCaches.resourceCache.incrementRefcount(layer); 278 return layer; 279 } 280 281 inline SkBitmap* refBitmap(SkBitmap* bitmap) { 282 // Note that this assumes the bitmap is immutable. There are cases this won't handle 283 // correctly, such as creating the bitmap from scratch, drawing with it, changing its 284 // contents, and drawing again. The only fix would be to always copy it the first time, 285 // which doesn't seem worth the extra cycles for this unlikely case. 286 mBitmapResources.add(bitmap); 287 mCaches.resourceCache.incrementRefcount(bitmap); 288 return bitmap; 289 } 290 291 inline SkBitmap* refBitmapData(SkBitmap* bitmap) { 292 mOwnedBitmapResources.add(bitmap); 293 mCaches.resourceCache.incrementRefcount(bitmap); 294 return bitmap; 295 } 296 297 inline SkiaShader* refShader(SkiaShader* shader) { 298 if (!shader) return NULL; 299 300 SkiaShader* shaderCopy = mShaderMap.valueFor(shader); 301 // TODO: We also need to handle generation ID changes in compose shaders 302 if (shaderCopy == NULL || shaderCopy->getGenerationId() != shader->getGenerationId()) { 303 shaderCopy = shader->copy(); 304 // replaceValueFor() performs an add if the entry doesn't exist 305 mShaderMap.replaceValueFor(shader, shaderCopy); 306 mShaders.add(shaderCopy); 307 mCaches.resourceCache.incrementRefcount(shaderCopy); 308 } 309 return shaderCopy; 310 } 311 312 inline SkiaColorFilter* refColorFilter(SkiaColorFilter* colorFilter) { 313 mFilterResources.add(colorFilter); 314 mCaches.resourceCache.incrementRefcount(colorFilter); 315 return colorFilter; 316 } 317 318 Vector<SkBitmap*> mBitmapResources; 319 Vector<SkBitmap*> mOwnedBitmapResources; 320 Vector<SkiaColorFilter*> mFilterResources; 321 322 Vector<SkPaint*> mPaints; 323 DefaultKeyedVector<SkPaint*, SkPaint*> mPaintMap; 324 325 Vector<SkPath*> mPaths; 326 DefaultKeyedVector<SkPath*, SkPath*> mPathMap; 327 328 SortedVector<SkPath*> mSourcePaths; 329 330 Vector<SkRegion*> mRegions; 331 DefaultKeyedVector<SkRegion*, SkRegion*> mRegionMap; 332 333 Vector<SkiaShader*> mShaders; 334 DefaultKeyedVector<SkiaShader*, SkiaShader*> mShaderMap; 335 336 Vector<SkMatrix*> mMatrices; 337 338 Vector<Layer*> mLayers; 339 340 int mRestoreSaveCount; 341 342 Caches& mCaches; 343 sp<DisplayListData> mDisplayListData; 344 345 float mTranslateX; 346 float mTranslateY; 347 bool mHasTranslate; 348 bool mHasDrawOps; 349 350 uint32_t mFunctorCount; 351 352 friend class DisplayList; 353 354 }; // class DisplayListRenderer 355 356 }; // namespace uirenderer 357 }; // namespace android 358 359 #endif // ANDROID_HWUI_DISPLAY_LIST_RENDERER_H 360
