1 /* 2 * Copyright (C) 2013 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_OPERATION_H 18 #define ANDROID_HWUI_DISPLAY_OPERATION_H 19 20 #ifndef LOG_TAG 21 #define LOG_TAG "OpenGLRenderer" 22 #endif 23 24 #include <SkColor.h> 25 #include <SkPath.h> 26 #include <SkPathOps.h> 27 #include <SkXfermode.h> 28 29 #include <private/hwui/DrawGlInfo.h> 30 31 #include "OpenGLRenderer.h" 32 #include "AssetAtlas.h" 33 #include "DeferredDisplayList.h" 34 #include "DisplayListRenderer.h" 35 #include "UvMapper.h" 36 #include "utils/LinearAllocator.h" 37 38 #define CRASH() do { \ 39 *(int *)(uintptr_t) 0xbbadbeef = 0; \ 40 ((void(*)())0)(); /* More reliable, but doesn't say BBADBEEF */ \ 41 } while(false) 42 43 // Use OP_LOG for logging with arglist, OP_LOGS if just printing char* 44 #define OP_LOGS(s) OP_LOG("%s", (s)) 45 #define OP_LOG(s, ...) ALOGD( "%*s" s, level * 2, "", __VA_ARGS__ ) 46 47 namespace android { 48 namespace uirenderer { 49 50 /** 51 * Structure for storing canvas operations when they are recorded into a DisplayList, so that they 52 * may be replayed to an OpenGLRenderer. 53 * 54 * To avoid individual memory allocations, DisplayListOps may only be allocated into a 55 * LinearAllocator's managed memory buffers. Each pointer held by a DisplayListOp is either a 56 * pointer into memory also allocated in the LinearAllocator (mostly for text and float buffers) or 57 * references a externally refcounted object (Sk... and Skia... objects). ~DisplayListOp() is 58 * never called as LinearAllocators are simply discarded, so no memory management should be done in 59 * this class. 60 */ 61 class DisplayListOp { 62 public: 63 // These objects should always be allocated with a LinearAllocator, and never destroyed/deleted. 64 // standard new() intentionally not implemented, and delete/deconstructor should never be used. 65 virtual ~DisplayListOp() { CRASH(); } 66 static void operator delete(void* ptr) { CRASH(); } 67 /** static void* operator new(size_t size); PURPOSELY OMITTED **/ 68 static void* operator new(size_t size, LinearAllocator& allocator) { 69 return allocator.alloc(size); 70 } 71 72 enum OpLogFlag { 73 kOpLogFlag_Recurse = 0x1, 74 kOpLogFlag_JSON = 0x2 // TODO: add? 75 }; 76 77 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 78 bool useQuickReject) = 0; 79 80 virtual void replay(ReplayStateStruct& replayStruct, int saveCount, int level, 81 bool useQuickReject) = 0; 82 83 virtual void output(int level, uint32_t logFlags = 0) const = 0; 84 85 // NOTE: it would be nice to declare constants and overriding the implementation in each op to 86 // point at the constants, but that seems to require a .cpp file 87 virtual const char* name() = 0; 88 }; 89 90 class StateOp : public DisplayListOp { 91 public: 92 StateOp() {}; 93 94 virtual ~StateOp() {} 95 96 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 97 bool useQuickReject) { 98 // default behavior only affects immediate, deferrable state, issue directly to renderer 99 applyState(deferStruct.mRenderer, saveCount); 100 } 101 102 /** 103 * State operations are applied directly to the renderer, but can cause the deferred drawing op 104 * list to flush 105 */ 106 virtual void replay(ReplayStateStruct& replayStruct, int saveCount, int level, 107 bool useQuickReject) { 108 applyState(replayStruct.mRenderer, saveCount); 109 } 110 111 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const = 0; 112 }; 113 114 class DrawOp : public DisplayListOp { 115 friend class MergingDrawBatch; 116 public: 117 DrawOp(const SkPaint* paint) 118 : mPaint(paint), mQuickRejected(false) {} 119 120 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 121 bool useQuickReject) { 122 if (mQuickRejected && CC_LIKELY(useQuickReject)) { 123 return; 124 } 125 126 deferStruct.mDeferredList.addDrawOp(deferStruct.mRenderer, this); 127 } 128 129 virtual void replay(ReplayStateStruct& replayStruct, int saveCount, int level, 130 bool useQuickReject) { 131 if (mQuickRejected && CC_LIKELY(useQuickReject)) { 132 return; 133 } 134 135 replayStruct.mDrawGlStatus |= applyDraw(replayStruct.mRenderer, replayStruct.mDirty); 136 } 137 138 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) = 0; 139 140 /** 141 * Draw multiple instances of an operation, must be overidden for operations that merge 142 * 143 * Currently guarantees certain similarities between ops (see MergingDrawBatch::canMergeWith), 144 * and pure translation transformations. Other guarantees of similarity should be enforced by 145 * reducing which operations are tagged as mergeable. 146 */ 147 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 148 const Vector<OpStatePair>& ops, const Rect& bounds) { 149 status_t status = DrawGlInfo::kStatusDone; 150 for (unsigned int i = 0; i < ops.size(); i++) { 151 renderer.restoreDisplayState(*(ops[i].state), true); 152 status |= ops[i].op->applyDraw(renderer, dirty); 153 } 154 return status; 155 } 156 157 /** 158 * When this method is invoked the state field is initialized to have the 159 * final rendering state. We can thus use it to process data as it will be 160 * used at draw time. 161 * 162 * Additionally, this method allows subclasses to provide defer-time preferences for batching 163 * and merging. 164 * 165 * if a subclass can set deferInfo.mergeable to true, it should implement multiDraw() 166 */ 167 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 168 const DeferredDisplayState& state) {} 169 170 /** 171 * Query the conservative, local bounds (unmapped) bounds of the op. 172 * 173 * returns true if bounds exist 174 */ 175 virtual bool getLocalBounds(Rect& localBounds) { 176 return false; 177 } 178 179 // TODO: better refine localbounds usage 180 void setQuickRejected(bool quickRejected) { mQuickRejected = quickRejected; } 181 bool getQuickRejected() { return mQuickRejected; } 182 183 inline int getPaintAlpha() const { 184 return OpenGLRenderer::getAlphaDirect(mPaint); 185 } 186 187 virtual bool hasTextShadow() const { 188 return false; 189 } 190 191 inline float strokeWidthOutset() { 192 // since anything AA stroke with less than 1.0 pixel width is drawn with an alpha-reduced 193 // 1.0 stroke, treat 1.0 as minimum. 194 195 // TODO: it would be nice if this could take scale into account, but scale isn't stable 196 // since higher levels of the view hierarchy can change scale out from underneath it. 197 return fmaxf(mPaint->getStrokeWidth(), 1) * 0.5f; 198 } 199 200 protected: 201 const SkPaint* getPaint(OpenGLRenderer& renderer) { 202 return renderer.filterPaint(mPaint); 203 } 204 205 // Helper method for determining op opaqueness. Assumes op fills its bounds in local 206 // coordinates, and that paint's alpha is used 207 inline bool isOpaqueOverBounds(const DeferredDisplayState& state) { 208 // ensure that local bounds cover mapped bounds 209 if (!state.mMatrix.isSimple()) return false; 210 211 if (state.mRoundRectClipState) return false; 212 213 // check state/paint for transparency 214 if (mPaint) { 215 if (mPaint->getShader() && !mPaint->getShader()->isOpaque()) { 216 return false; 217 } 218 if (mPaint->getAlpha() != 0xFF) { 219 return false; 220 } 221 } 222 223 if (state.mAlpha != 1.0f) return false; 224 225 SkXfermode::Mode mode = OpenGLRenderer::getXfermodeDirect(mPaint); 226 return (mode == SkXfermode::kSrcOver_Mode || 227 mode == SkXfermode::kSrc_Mode); 228 229 } 230 231 const SkPaint* mPaint; // should be accessed via getPaint() when applying 232 bool mQuickRejected; 233 }; 234 235 class DrawBoundedOp : public DrawOp { 236 public: 237 DrawBoundedOp(float left, float top, float right, float bottom, const SkPaint* paint) 238 : DrawOp(paint), mLocalBounds(left, top, right, bottom) {} 239 240 DrawBoundedOp(const Rect& localBounds, const SkPaint* paint) 241 : DrawOp(paint), mLocalBounds(localBounds) {} 242 243 // Calculates bounds as smallest rect encompassing all points 244 // NOTE: requires at least 1 vertex, and doesn't account for stroke size (should be handled in 245 // subclass' constructor) 246 DrawBoundedOp(const float* points, int count, const SkPaint* paint) 247 : DrawOp(paint), mLocalBounds(points[0], points[1], points[0], points[1]) { 248 for (int i = 2; i < count; i += 2) { 249 mLocalBounds.left = fminf(mLocalBounds.left, points[i]); 250 mLocalBounds.right = fmaxf(mLocalBounds.right, points[i]); 251 mLocalBounds.top = fminf(mLocalBounds.top, points[i + 1]); 252 mLocalBounds.bottom = fmaxf(mLocalBounds.bottom, points[i + 1]); 253 } 254 } 255 256 // default empty constructor for bounds, to be overridden in child constructor body 257 DrawBoundedOp(const SkPaint* paint): DrawOp(paint) { } 258 259 virtual bool getLocalBounds(Rect& localBounds) { 260 localBounds.set(mLocalBounds); 261 OpenGLRenderer::TextShadow textShadow; 262 if (OpenGLRenderer::getTextShadow(mPaint, &textShadow)) { 263 Rect shadow(mLocalBounds); 264 shadow.translate(textShadow.dx, textShadow.dx); 265 shadow.outset(textShadow.radius); 266 localBounds.unionWith(shadow); 267 } 268 return true; 269 } 270 271 protected: 272 Rect mLocalBounds; // displayed area in LOCAL coord. doesn't incorporate stroke, so check paint 273 }; 274 275 /////////////////////////////////////////////////////////////////////////////// 276 // STATE OPERATIONS - these may affect the state of the canvas/renderer, but do 277 // not directly draw or alter output 278 /////////////////////////////////////////////////////////////////////////////// 279 280 class SaveOp : public StateOp { 281 public: 282 SaveOp(int flags) 283 : mFlags(flags) {} 284 285 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 286 bool useQuickReject) { 287 int newSaveCount = deferStruct.mRenderer.save(mFlags); 288 deferStruct.mDeferredList.addSave(deferStruct.mRenderer, this, newSaveCount); 289 } 290 291 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 292 renderer.save(mFlags); 293 } 294 295 virtual void output(int level, uint32_t logFlags) const { 296 OP_LOG("Save flags %x", mFlags); 297 } 298 299 virtual const char* name() { return "Save"; } 300 301 int getFlags() const { return mFlags; } 302 private: 303 int mFlags; 304 }; 305 306 class RestoreToCountOp : public StateOp { 307 public: 308 RestoreToCountOp(int count) 309 : mCount(count) {} 310 311 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 312 bool useQuickReject) { 313 deferStruct.mDeferredList.addRestoreToCount(deferStruct.mRenderer, 314 this, saveCount + mCount); 315 deferStruct.mRenderer.restoreToCount(saveCount + mCount); 316 } 317 318 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 319 renderer.restoreToCount(saveCount + mCount); 320 } 321 322 virtual void output(int level, uint32_t logFlags) const { 323 OP_LOG("Restore to count %d", mCount); 324 } 325 326 virtual const char* name() { return "RestoreToCount"; } 327 328 private: 329 int mCount; 330 }; 331 332 class SaveLayerOp : public StateOp { 333 public: 334 SaveLayerOp(float left, float top, float right, float bottom, int alpha, int flags) 335 : mArea(left, top, right, bottom) 336 , mPaint(&mCachedPaint) 337 , mFlags(flags) 338 , mConvexMask(NULL) { 339 mCachedPaint.setAlpha(alpha); 340 } 341 342 SaveLayerOp(float left, float top, float right, float bottom, const SkPaint* paint, int flags) 343 : mArea(left, top, right, bottom) 344 , mPaint(paint) 345 , mFlags(flags) 346 , mConvexMask(NULL) 347 {} 348 349 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 350 bool useQuickReject) { 351 // NOTE: don't bother with actual saveLayer, instead issuing it at flush time 352 int newSaveCount = deferStruct.mRenderer.getSaveCount(); 353 deferStruct.mDeferredList.addSaveLayer(deferStruct.mRenderer, this, newSaveCount); 354 355 // NOTE: don't issue full saveLayer, since that has side effects/is costly. instead just 356 // setup the snapshot for deferral, and re-issue the op at flush time 357 deferStruct.mRenderer.saveLayerDeferred(mArea.left, mArea.top, mArea.right, mArea.bottom, 358 mPaint, mFlags); 359 } 360 361 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 362 renderer.saveLayer(mArea.left, mArea.top, mArea.right, mArea.bottom, 363 mPaint, mFlags, mConvexMask); 364 } 365 366 virtual void output(int level, uint32_t logFlags) const { 367 OP_LOG("SaveLayer%s of area " RECT_STRING, 368 (isSaveLayerAlpha() ? "Alpha" : ""),RECT_ARGS(mArea)); 369 } 370 371 virtual const char* name() { return isSaveLayerAlpha() ? "SaveLayerAlpha" : "SaveLayer"; } 372 373 int getFlags() { return mFlags; } 374 375 // Called to make SaveLayerOp clip to the provided mask when drawing back/restored 376 void setMask(const SkPath* convexMask) { 377 mConvexMask = convexMask; 378 } 379 380 private: 381 bool isSaveLayerAlpha() const { 382 SkXfermode::Mode mode = OpenGLRenderer::getXfermodeDirect(mPaint); 383 int alpha = OpenGLRenderer::getAlphaDirect(mPaint); 384 return alpha < 255 && mode == SkXfermode::kSrcOver_Mode; 385 } 386 387 Rect mArea; 388 const SkPaint* mPaint; 389 SkPaint mCachedPaint; 390 int mFlags; 391 392 // Convex path, points at data in RenderNode, valid for the duration of the frame only 393 // Only used for masking the SaveLayer which wraps projected RenderNodes 394 const SkPath* mConvexMask; 395 }; 396 397 class TranslateOp : public StateOp { 398 public: 399 TranslateOp(float dx, float dy) 400 : mDx(dx), mDy(dy) {} 401 402 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 403 renderer.translate(mDx, mDy); 404 } 405 406 virtual void output(int level, uint32_t logFlags) const { 407 OP_LOG("Translate by %f %f", mDx, mDy); 408 } 409 410 virtual const char* name() { return "Translate"; } 411 412 private: 413 float mDx; 414 float mDy; 415 }; 416 417 class RotateOp : public StateOp { 418 public: 419 RotateOp(float degrees) 420 : mDegrees(degrees) {} 421 422 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 423 renderer.rotate(mDegrees); 424 } 425 426 virtual void output(int level, uint32_t logFlags) const { 427 OP_LOG("Rotate by %f degrees", mDegrees); 428 } 429 430 virtual const char* name() { return "Rotate"; } 431 432 private: 433 float mDegrees; 434 }; 435 436 class ScaleOp : public StateOp { 437 public: 438 ScaleOp(float sx, float sy) 439 : mSx(sx), mSy(sy) {} 440 441 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 442 renderer.scale(mSx, mSy); 443 } 444 445 virtual void output(int level, uint32_t logFlags) const { 446 OP_LOG("Scale by %f %f", mSx, mSy); 447 } 448 449 virtual const char* name() { return "Scale"; } 450 451 private: 452 float mSx; 453 float mSy; 454 }; 455 456 class SkewOp : public StateOp { 457 public: 458 SkewOp(float sx, float sy) 459 : mSx(sx), mSy(sy) {} 460 461 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 462 renderer.skew(mSx, mSy); 463 } 464 465 virtual void output(int level, uint32_t logFlags) const { 466 OP_LOG("Skew by %f %f", mSx, mSy); 467 } 468 469 virtual const char* name() { return "Skew"; } 470 471 private: 472 float mSx; 473 float mSy; 474 }; 475 476 class SetMatrixOp : public StateOp { 477 public: 478 SetMatrixOp(const SkMatrix& matrix) 479 : mMatrix(matrix) {} 480 481 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 482 renderer.setMatrix(mMatrix); 483 } 484 485 virtual void output(int level, uint32_t logFlags) const { 486 if (mMatrix.isIdentity()) { 487 OP_LOGS("SetMatrix (reset)"); 488 } else { 489 OP_LOG("SetMatrix " SK_MATRIX_STRING, SK_MATRIX_ARGS(&mMatrix)); 490 } 491 } 492 493 virtual const char* name() { return "SetMatrix"; } 494 495 private: 496 const SkMatrix mMatrix; 497 }; 498 499 class ConcatMatrixOp : public StateOp { 500 public: 501 ConcatMatrixOp(const SkMatrix& matrix) 502 : mMatrix(matrix) {} 503 504 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 505 renderer.concatMatrix(mMatrix); 506 } 507 508 virtual void output(int level, uint32_t logFlags) const { 509 OP_LOG("ConcatMatrix " SK_MATRIX_STRING, SK_MATRIX_ARGS(&mMatrix)); 510 } 511 512 virtual const char* name() { return "ConcatMatrix"; } 513 514 private: 515 const SkMatrix mMatrix; 516 }; 517 518 class ClipOp : public StateOp { 519 public: 520 ClipOp(SkRegion::Op op) : mOp(op) {} 521 522 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 523 bool useQuickReject) { 524 // NOTE: must defer op BEFORE applying state, since it may read clip 525 deferStruct.mDeferredList.addClip(deferStruct.mRenderer, this); 526 527 // TODO: Can we avoid applying complex clips at defer time? 528 applyState(deferStruct.mRenderer, saveCount); 529 } 530 531 bool canCauseComplexClip() { 532 return ((mOp != SkRegion::kIntersect_Op) && (mOp != SkRegion::kReplace_Op)) || !isRect(); 533 } 534 535 protected: 536 virtual bool isRect() { return false; } 537 538 SkRegion::Op mOp; 539 }; 540 541 class ClipRectOp : public ClipOp { 542 public: 543 ClipRectOp(float left, float top, float right, float bottom, SkRegion::Op op) 544 : ClipOp(op), mArea(left, top, right, bottom) {} 545 546 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 547 renderer.clipRect(mArea.left, mArea.top, mArea.right, mArea.bottom, mOp); 548 } 549 550 virtual void output(int level, uint32_t logFlags) const { 551 OP_LOG("ClipRect " RECT_STRING, RECT_ARGS(mArea)); 552 } 553 554 virtual const char* name() { return "ClipRect"; } 555 556 protected: 557 virtual bool isRect() { return true; } 558 559 private: 560 Rect mArea; 561 }; 562 563 class ClipPathOp : public ClipOp { 564 public: 565 ClipPathOp(const SkPath* path, SkRegion::Op op) 566 : ClipOp(op), mPath(path) {} 567 568 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 569 renderer.clipPath(mPath, mOp); 570 } 571 572 virtual void output(int level, uint32_t logFlags) const { 573 SkRect bounds = mPath->getBounds(); 574 OP_LOG("ClipPath bounds " RECT_STRING, 575 bounds.left(), bounds.top(), bounds.right(), bounds.bottom()); 576 } 577 578 virtual const char* name() { return "ClipPath"; } 579 580 private: 581 const SkPath* mPath; 582 }; 583 584 class ClipRegionOp : public ClipOp { 585 public: 586 ClipRegionOp(const SkRegion* region, SkRegion::Op op) 587 : ClipOp(op), mRegion(region) {} 588 589 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 590 renderer.clipRegion(mRegion, mOp); 591 } 592 593 virtual void output(int level, uint32_t logFlags) const { 594 SkIRect bounds = mRegion->getBounds(); 595 OP_LOG("ClipRegion bounds %d %d %d %d", 596 bounds.left(), bounds.top(), bounds.right(), bounds.bottom()); 597 } 598 599 virtual const char* name() { return "ClipRegion"; } 600 601 private: 602 const SkRegion* mRegion; 603 }; 604 605 class ResetPaintFilterOp : public StateOp { 606 public: 607 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 608 renderer.resetPaintFilter(); 609 } 610 611 virtual void output(int level, uint32_t logFlags) const { 612 OP_LOGS("ResetPaintFilter"); 613 } 614 615 virtual const char* name() { return "ResetPaintFilter"; } 616 }; 617 618 class SetupPaintFilterOp : public StateOp { 619 public: 620 SetupPaintFilterOp(int clearBits, int setBits) 621 : mClearBits(clearBits), mSetBits(setBits) {} 622 623 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 624 renderer.setupPaintFilter(mClearBits, mSetBits); 625 } 626 627 virtual void output(int level, uint32_t logFlags) const { 628 OP_LOG("SetupPaintFilter, clear %#x, set %#x", mClearBits, mSetBits); 629 } 630 631 virtual const char* name() { return "SetupPaintFilter"; } 632 633 private: 634 int mClearBits; 635 int mSetBits; 636 }; 637 638 /////////////////////////////////////////////////////////////////////////////// 639 // DRAW OPERATIONS - these are operations that can draw to the canvas's device 640 /////////////////////////////////////////////////////////////////////////////// 641 642 class DrawBitmapOp : public DrawBoundedOp { 643 public: 644 DrawBitmapOp(const SkBitmap* bitmap, const SkPaint* paint) 645 : DrawBoundedOp(0, 0, bitmap->width(), bitmap->height(), paint) 646 , mBitmap(bitmap) 647 , mAtlas(Caches::getInstance().assetAtlas) { 648 mEntry = mAtlas.getEntry(bitmap); 649 if (mEntry) { 650 mEntryGenerationId = mAtlas.getGenerationId(); 651 mUvMapper = mEntry->uvMapper; 652 } 653 } 654 655 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 656 return renderer.drawBitmap(mBitmap, getPaint(renderer)); 657 } 658 659 AssetAtlas::Entry* getAtlasEntry() { 660 // The atlas entry is stale, let's get a new one 661 if (mEntry && mEntryGenerationId != mAtlas.getGenerationId()) { 662 mEntryGenerationId = mAtlas.getGenerationId(); 663 mEntry = mAtlas.getEntry(mBitmap); 664 mUvMapper = mEntry->uvMapper; 665 } 666 return mEntry; 667 } 668 669 #define SET_TEXTURE(ptr, posRect, offsetRect, texCoordsRect, xDim, yDim) \ 670 TextureVertex::set(ptr++, posRect.xDim - offsetRect.left, posRect.yDim - offsetRect.top, \ 671 texCoordsRect.xDim, texCoordsRect.yDim) 672 673 /** 674 * This multi-draw operation builds a mesh on the stack by generating a quad 675 * for each bitmap in the batch. This method is also responsible for dirtying 676 * the current layer, if any. 677 */ 678 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 679 const Vector<OpStatePair>& ops, const Rect& bounds) { 680 const DeferredDisplayState& firstState = *(ops[0].state); 681 renderer.restoreDisplayState(firstState, true); // restore all but the clip 682 683 TextureVertex vertices[6 * ops.size()]; 684 TextureVertex* vertex = &vertices[0]; 685 686 const bool hasLayer = renderer.hasLayer(); 687 bool pureTranslate = true; 688 689 // TODO: manually handle rect clip for bitmaps by adjusting texCoords per op, 690 // and allowing them to be merged in getBatchId() 691 for (unsigned int i = 0; i < ops.size(); i++) { 692 const DeferredDisplayState& state = *(ops[i].state); 693 const Rect& opBounds = state.mBounds; 694 // When we reach multiDraw(), the matrix can be either 695 // pureTranslate or simple (translate and/or scale). 696 // If the matrix is not pureTranslate, then we have a scale 697 pureTranslate &= state.mMatrix.isPureTranslate(); 698 699 Rect texCoords(0, 0, 1, 1); 700 ((DrawBitmapOp*) ops[i].op)->mUvMapper.map(texCoords); 701 702 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, top); 703 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, top); 704 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, bottom); 705 706 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, bottom); 707 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, top); 708 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, bottom); 709 710 if (hasLayer) { 711 renderer.dirtyLayer(opBounds.left, opBounds.top, opBounds.right, opBounds.bottom); 712 } 713 } 714 715 return renderer.drawBitmaps(mBitmap, mEntry, ops.size(), &vertices[0], 716 pureTranslate, bounds, mPaint); 717 } 718 719 virtual void output(int level, uint32_t logFlags) const { 720 OP_LOG("Draw bitmap %p at %f %f", mBitmap, mLocalBounds.left, mLocalBounds.top); 721 } 722 723 virtual const char* name() { return "DrawBitmap"; } 724 725 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 726 const DeferredDisplayState& state) { 727 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 728 deferInfo.mergeId = getAtlasEntry() ? 729 (mergeid_t) mEntry->getMergeId() : (mergeid_t) mBitmap; 730 731 // Don't merge non-simply transformed or neg scale ops, SET_TEXTURE doesn't handle rotation 732 // Don't merge A8 bitmaps - the paint's color isn't compared by mergeId, or in 733 // MergingDrawBatch::canMergeWith() 734 // TODO: support clipped bitmaps by handling them in SET_TEXTURE 735 deferInfo.mergeable = state.mMatrix.isSimple() && state.mMatrix.positiveScale() && 736 !state.mClipSideFlags && 737 OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode && 738 (mBitmap->colorType() != kAlpha_8_SkColorType); 739 } 740 741 const SkBitmap* bitmap() { return mBitmap; } 742 protected: 743 const SkBitmap* mBitmap; 744 const AssetAtlas& mAtlas; 745 uint32_t mEntryGenerationId; 746 AssetAtlas::Entry* mEntry; 747 UvMapper mUvMapper; 748 }; 749 750 class DrawBitmapRectOp : public DrawBoundedOp { 751 public: 752 DrawBitmapRectOp(const SkBitmap* bitmap, 753 float srcLeft, float srcTop, float srcRight, float srcBottom, 754 float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) 755 : DrawBoundedOp(dstLeft, dstTop, dstRight, dstBottom, paint), 756 mBitmap(bitmap), mSrc(srcLeft, srcTop, srcRight, srcBottom) {} 757 758 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 759 return renderer.drawBitmap(mBitmap, mSrc.left, mSrc.top, mSrc.right, mSrc.bottom, 760 mLocalBounds.left, mLocalBounds.top, mLocalBounds.right, mLocalBounds.bottom, 761 getPaint(renderer)); 762 } 763 764 virtual void output(int level, uint32_t logFlags) const { 765 OP_LOG("Draw bitmap %p src=" RECT_STRING ", dst=" RECT_STRING, 766 mBitmap, RECT_ARGS(mSrc), RECT_ARGS(mLocalBounds)); 767 } 768 769 virtual const char* name() { return "DrawBitmapRect"; } 770 771 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 772 const DeferredDisplayState& state) { 773 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 774 } 775 776 private: 777 const SkBitmap* mBitmap; 778 Rect mSrc; 779 }; 780 781 class DrawBitmapDataOp : public DrawBitmapOp { 782 public: 783 DrawBitmapDataOp(const SkBitmap* bitmap, const SkPaint* paint) 784 : DrawBitmapOp(bitmap, paint) {} 785 786 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 787 return renderer.drawBitmapData(mBitmap, getPaint(renderer)); 788 } 789 790 virtual void output(int level, uint32_t logFlags) const { 791 OP_LOG("Draw bitmap %p", mBitmap); 792 } 793 794 virtual const char* name() { return "DrawBitmapData"; } 795 796 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 797 const DeferredDisplayState& state) { 798 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 799 } 800 }; 801 802 class DrawBitmapMeshOp : public DrawBoundedOp { 803 public: 804 DrawBitmapMeshOp(const SkBitmap* bitmap, int meshWidth, int meshHeight, 805 const float* vertices, const int* colors, const SkPaint* paint) 806 : DrawBoundedOp(vertices, 2 * (meshWidth + 1) * (meshHeight + 1), paint), 807 mBitmap(bitmap), mMeshWidth(meshWidth), mMeshHeight(meshHeight), 808 mVertices(vertices), mColors(colors) {} 809 810 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 811 return renderer.drawBitmapMesh(mBitmap, mMeshWidth, mMeshHeight, 812 mVertices, mColors, getPaint(renderer)); 813 } 814 815 virtual void output(int level, uint32_t logFlags) const { 816 OP_LOG("Draw bitmap %p mesh %d x %d", mBitmap, mMeshWidth, mMeshHeight); 817 } 818 819 virtual const char* name() { return "DrawBitmapMesh"; } 820 821 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 822 const DeferredDisplayState& state) { 823 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 824 } 825 826 private: 827 const SkBitmap* mBitmap; 828 int mMeshWidth; 829 int mMeshHeight; 830 const float* mVertices; 831 const int* mColors; 832 }; 833 834 class DrawPatchOp : public DrawBoundedOp { 835 public: 836 DrawPatchOp(const SkBitmap* bitmap, const Res_png_9patch* patch, 837 float left, float top, float right, float bottom, const SkPaint* paint) 838 : DrawBoundedOp(left, top, right, bottom, paint), 839 mBitmap(bitmap), mPatch(patch), mGenerationId(0), mMesh(NULL), 840 mAtlas(Caches::getInstance().assetAtlas) { 841 mEntry = mAtlas.getEntry(bitmap); 842 if (mEntry) { 843 mEntryGenerationId = mAtlas.getGenerationId(); 844 } 845 }; 846 847 AssetAtlas::Entry* getAtlasEntry() { 848 // The atlas entry is stale, let's get a new one 849 if (mEntry && mEntryGenerationId != mAtlas.getGenerationId()) { 850 mEntryGenerationId = mAtlas.getGenerationId(); 851 mEntry = mAtlas.getEntry(mBitmap); 852 } 853 return mEntry; 854 } 855 856 const Patch* getMesh(OpenGLRenderer& renderer) { 857 if (!mMesh || renderer.getCaches().patchCache.getGenerationId() != mGenerationId) { 858 PatchCache& cache = renderer.getCaches().patchCache; 859 mMesh = cache.get(getAtlasEntry(), mBitmap->width(), mBitmap->height(), 860 mLocalBounds.getWidth(), mLocalBounds.getHeight(), mPatch); 861 mGenerationId = cache.getGenerationId(); 862 } 863 return mMesh; 864 } 865 866 /** 867 * This multi-draw operation builds an indexed mesh on the stack by copying 868 * and transforming the vertices of each 9-patch in the batch. This method 869 * is also responsible for dirtying the current layer, if any. 870 */ 871 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 872 const Vector<OpStatePair>& ops, const Rect& bounds) { 873 const DeferredDisplayState& firstState = *(ops[0].state); 874 renderer.restoreDisplayState(firstState, true); // restore all but the clip 875 876 // Batches will usually contain a small number of items so it's 877 // worth performing a first iteration to count the exact number 878 // of vertices we need in the new mesh 879 uint32_t totalVertices = 0; 880 for (unsigned int i = 0; i < ops.size(); i++) { 881 totalVertices += ((DrawPatchOp*) ops[i].op)->getMesh(renderer)->verticesCount; 882 } 883 884 const bool hasLayer = renderer.hasLayer(); 885 886 uint32_t indexCount = 0; 887 888 TextureVertex vertices[totalVertices]; 889 TextureVertex* vertex = &vertices[0]; 890 891 // Create a mesh that contains the transformed vertices for all the 892 // 9-patch objects that are part of the batch. Note that onDefer() 893 // enforces ops drawn by this function to have a pure translate or 894 // identity matrix 895 for (unsigned int i = 0; i < ops.size(); i++) { 896 DrawPatchOp* patchOp = (DrawPatchOp*) ops[i].op; 897 const DeferredDisplayState* state = ops[i].state; 898 const Patch* opMesh = patchOp->getMesh(renderer); 899 uint32_t vertexCount = opMesh->verticesCount; 900 if (vertexCount == 0) continue; 901 902 // We use the bounds to know where to translate our vertices 903 // Using patchOp->state.mBounds wouldn't work because these 904 // bounds are clipped 905 const float tx = (int) floorf(state->mMatrix.getTranslateX() + 906 patchOp->mLocalBounds.left + 0.5f); 907 const float ty = (int) floorf(state->mMatrix.getTranslateY() + 908 patchOp->mLocalBounds.top + 0.5f); 909 910 // Copy & transform all the vertices for the current operation 911 TextureVertex* opVertices = opMesh->vertices; 912 for (uint32_t j = 0; j < vertexCount; j++, opVertices++) { 913 TextureVertex::set(vertex++, 914 opVertices->x + tx, opVertices->y + ty, 915 opVertices->u, opVertices->v); 916 } 917 918 // Dirty the current layer if possible. When the 9-patch does not 919 // contain empty quads we can take a shortcut and simply set the 920 // dirty rect to the object's bounds. 921 if (hasLayer) { 922 if (!opMesh->hasEmptyQuads) { 923 renderer.dirtyLayer(tx, ty, 924 tx + patchOp->mLocalBounds.getWidth(), 925 ty + patchOp->mLocalBounds.getHeight()); 926 } else { 927 const size_t count = opMesh->quads.size(); 928 for (size_t i = 0; i < count; i++) { 929 const Rect& quadBounds = opMesh->quads[i]; 930 const float x = tx + quadBounds.left; 931 const float y = ty + quadBounds.top; 932 renderer.dirtyLayer(x, y, 933 x + quadBounds.getWidth(), y + quadBounds.getHeight()); 934 } 935 } 936 } 937 938 indexCount += opMesh->indexCount; 939 } 940 941 return renderer.drawPatches(mBitmap, getAtlasEntry(), 942 &vertices[0], indexCount, getPaint(renderer)); 943 } 944 945 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 946 // We're not calling the public variant of drawPatch() here 947 // This method won't perform the quickReject() since we've already done it at this point 948 return renderer.drawPatch(mBitmap, getMesh(renderer), getAtlasEntry(), 949 mLocalBounds.left, mLocalBounds.top, mLocalBounds.right, mLocalBounds.bottom, 950 getPaint(renderer)); 951 } 952 953 virtual void output(int level, uint32_t logFlags) const { 954 OP_LOG("Draw patch " RECT_STRING, RECT_ARGS(mLocalBounds)); 955 } 956 957 virtual const char* name() { return "DrawPatch"; } 958 959 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 960 const DeferredDisplayState& state) { 961 deferInfo.batchId = DeferredDisplayList::kOpBatch_Patch; 962 deferInfo.mergeId = getAtlasEntry() ? (mergeid_t) mEntry->getMergeId() : (mergeid_t) mBitmap; 963 deferInfo.mergeable = state.mMatrix.isPureTranslate() && 964 OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode; 965 deferInfo.opaqueOverBounds = isOpaqueOverBounds(state) && mBitmap->isOpaque(); 966 } 967 968 private: 969 const SkBitmap* mBitmap; 970 const Res_png_9patch* mPatch; 971 972 uint32_t mGenerationId; 973 const Patch* mMesh; 974 975 const AssetAtlas& mAtlas; 976 uint32_t mEntryGenerationId; 977 AssetAtlas::Entry* mEntry; 978 }; 979 980 class DrawColorOp : public DrawOp { 981 public: 982 DrawColorOp(int color, SkXfermode::Mode mode) 983 : DrawOp(NULL), mColor(color), mMode(mode) {}; 984 985 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 986 return renderer.drawColor(mColor, mMode); 987 } 988 989 virtual void output(int level, uint32_t logFlags) const { 990 OP_LOG("Draw color %#x, mode %d", mColor, mMode); 991 } 992 993 virtual const char* name() { return "DrawColor"; } 994 995 private: 996 int mColor; 997 SkXfermode::Mode mMode; 998 }; 999 1000 class DrawStrokableOp : public DrawBoundedOp { 1001 public: 1002 DrawStrokableOp(float left, float top, float right, float bottom, const SkPaint* paint) 1003 : DrawBoundedOp(left, top, right, bottom, paint) {}; 1004 DrawStrokableOp(const Rect& localBounds, const SkPaint* paint) 1005 : DrawBoundedOp(localBounds, paint) {}; 1006 1007 virtual bool getLocalBounds(Rect& localBounds) { 1008 localBounds.set(mLocalBounds); 1009 if (mPaint && mPaint->getStyle() != SkPaint::kFill_Style) { 1010 localBounds.outset(strokeWidthOutset()); 1011 } 1012 return true; 1013 } 1014 1015 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1016 const DeferredDisplayState& state) { 1017 if (mPaint->getPathEffect()) { 1018 deferInfo.batchId = DeferredDisplayList::kOpBatch_AlphaMaskTexture; 1019 } else { 1020 deferInfo.batchId = mPaint->isAntiAlias() ? 1021 DeferredDisplayList::kOpBatch_AlphaVertices : 1022 DeferredDisplayList::kOpBatch_Vertices; 1023 } 1024 } 1025 }; 1026 1027 class DrawRectOp : public DrawStrokableOp { 1028 public: 1029 DrawRectOp(float left, float top, float right, float bottom, const SkPaint* paint) 1030 : DrawStrokableOp(left, top, right, bottom, paint) {} 1031 1032 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1033 return renderer.drawRect(mLocalBounds.left, mLocalBounds.top, 1034 mLocalBounds.right, mLocalBounds.bottom, getPaint(renderer)); 1035 } 1036 1037 virtual void output(int level, uint32_t logFlags) const { 1038 OP_LOG("Draw Rect " RECT_STRING, RECT_ARGS(mLocalBounds)); 1039 } 1040 1041 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1042 const DeferredDisplayState& state) { 1043 DrawStrokableOp::onDefer(renderer, deferInfo, state); 1044 deferInfo.opaqueOverBounds = isOpaqueOverBounds(state) && 1045 mPaint->getStyle() == SkPaint::kFill_Style; 1046 } 1047 1048 virtual const char* name() { return "DrawRect"; } 1049 }; 1050 1051 class DrawRectsOp : public DrawBoundedOp { 1052 public: 1053 DrawRectsOp(const float* rects, int count, const SkPaint* paint) 1054 : DrawBoundedOp(rects, count, paint), 1055 mRects(rects), mCount(count) {} 1056 1057 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1058 return renderer.drawRects(mRects, mCount, getPaint(renderer)); 1059 } 1060 1061 virtual void output(int level, uint32_t logFlags) const { 1062 OP_LOG("Draw Rects count %d", mCount); 1063 } 1064 1065 virtual const char* name() { return "DrawRects"; } 1066 1067 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1068 const DeferredDisplayState& state) { 1069 deferInfo.batchId = DeferredDisplayList::kOpBatch_Vertices; 1070 } 1071 1072 private: 1073 const float* mRects; 1074 int mCount; 1075 }; 1076 1077 class DrawRoundRectOp : public DrawStrokableOp { 1078 public: 1079 DrawRoundRectOp(float left, float top, float right, float bottom, 1080 float rx, float ry, const SkPaint* paint) 1081 : DrawStrokableOp(left, top, right, bottom, paint), mRx(rx), mRy(ry) {} 1082 1083 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1084 return renderer.drawRoundRect(mLocalBounds.left, mLocalBounds.top, 1085 mLocalBounds.right, mLocalBounds.bottom, mRx, mRy, getPaint(renderer)); 1086 } 1087 1088 virtual void output(int level, uint32_t logFlags) const { 1089 OP_LOG("Draw RoundRect " RECT_STRING ", rx %f, ry %f", RECT_ARGS(mLocalBounds), mRx, mRy); 1090 } 1091 1092 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1093 const DeferredDisplayState& state) { 1094 DrawStrokableOp::onDefer(renderer, deferInfo, state); 1095 if (!mPaint->getPathEffect()) { 1096 renderer.getCaches().tessellationCache.precacheRoundRect(state.mMatrix, *mPaint, 1097 mLocalBounds.getWidth(), mLocalBounds.getHeight(), mRx, mRy); 1098 } 1099 } 1100 1101 virtual const char* name() { return "DrawRoundRect"; } 1102 1103 private: 1104 float mRx; 1105 float mRy; 1106 }; 1107 1108 class DrawRoundRectPropsOp : public DrawOp { 1109 public: 1110 DrawRoundRectPropsOp(float* left, float* top, float* right, float* bottom, 1111 float *rx, float *ry, const SkPaint* paint) 1112 : DrawOp(paint), mLeft(left), mTop(top), mRight(right), mBottom(bottom), 1113 mRx(rx), mRy(ry) {} 1114 1115 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1116 return renderer.drawRoundRect(*mLeft, *mTop, *mRight, *mBottom, 1117 *mRx, *mRy, getPaint(renderer)); 1118 } 1119 1120 virtual void output(int level, uint32_t logFlags) const { 1121 OP_LOG("Draw RoundRect Props " RECT_STRING ", rx %f, ry %f", 1122 *mLeft, *mTop, *mRight, *mBottom, *mRx, *mRy); 1123 } 1124 1125 virtual const char* name() { return "DrawRoundRectProps"; } 1126 1127 private: 1128 float* mLeft; 1129 float* mTop; 1130 float* mRight; 1131 float* mBottom; 1132 float* mRx; 1133 float* mRy; 1134 }; 1135 1136 class DrawCircleOp : public DrawStrokableOp { 1137 public: 1138 DrawCircleOp(float x, float y, float radius, const SkPaint* paint) 1139 : DrawStrokableOp(x - radius, y - radius, x + radius, y + radius, paint), 1140 mX(x), mY(y), mRadius(radius) {} 1141 1142 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1143 return renderer.drawCircle(mX, mY, mRadius, getPaint(renderer)); 1144 } 1145 1146 virtual void output(int level, uint32_t logFlags) const { 1147 OP_LOG("Draw Circle x %f, y %f, r %f", mX, mY, mRadius); 1148 } 1149 1150 virtual const char* name() { return "DrawCircle"; } 1151 1152 private: 1153 float mX; 1154 float mY; 1155 float mRadius; 1156 }; 1157 1158 class DrawCirclePropsOp : public DrawOp { 1159 public: 1160 DrawCirclePropsOp(float* x, float* y, float* radius, const SkPaint* paint) 1161 : DrawOp(paint), mX(x), mY(y), mRadius(radius) {} 1162 1163 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1164 return renderer.drawCircle(*mX, *mY, *mRadius, getPaint(renderer)); 1165 } 1166 1167 virtual void output(int level, uint32_t logFlags) const { 1168 OP_LOG("Draw Circle Props x %p, y %p, r %p", mX, mY, mRadius); 1169 } 1170 1171 virtual const char* name() { return "DrawCircleProps"; } 1172 1173 private: 1174 float* mX; 1175 float* mY; 1176 float* mRadius; 1177 }; 1178 1179 class DrawOvalOp : public DrawStrokableOp { 1180 public: 1181 DrawOvalOp(float left, float top, float right, float bottom, const SkPaint* paint) 1182 : DrawStrokableOp(left, top, right, bottom, paint) {} 1183 1184 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1185 return renderer.drawOval(mLocalBounds.left, mLocalBounds.top, 1186 mLocalBounds.right, mLocalBounds.bottom, getPaint(renderer)); 1187 } 1188 1189 virtual void output(int level, uint32_t logFlags) const { 1190 OP_LOG("Draw Oval " RECT_STRING, RECT_ARGS(mLocalBounds)); 1191 } 1192 1193 virtual const char* name() { return "DrawOval"; } 1194 }; 1195 1196 class DrawArcOp : public DrawStrokableOp { 1197 public: 1198 DrawArcOp(float left, float top, float right, float bottom, 1199 float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint) 1200 : DrawStrokableOp(left, top, right, bottom, paint), 1201 mStartAngle(startAngle), mSweepAngle(sweepAngle), mUseCenter(useCenter) {} 1202 1203 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1204 return renderer.drawArc(mLocalBounds.left, mLocalBounds.top, 1205 mLocalBounds.right, mLocalBounds.bottom, 1206 mStartAngle, mSweepAngle, mUseCenter, getPaint(renderer)); 1207 } 1208 1209 virtual void output(int level, uint32_t logFlags) const { 1210 OP_LOG("Draw Arc " RECT_STRING ", start %f, sweep %f, useCenter %d", 1211 RECT_ARGS(mLocalBounds), mStartAngle, mSweepAngle, mUseCenter); 1212 } 1213 1214 virtual const char* name() { return "DrawArc"; } 1215 1216 private: 1217 float mStartAngle; 1218 float mSweepAngle; 1219 bool mUseCenter; 1220 }; 1221 1222 class DrawPathOp : public DrawBoundedOp { 1223 public: 1224 DrawPathOp(const SkPath* path, const SkPaint* paint) 1225 : DrawBoundedOp(paint), mPath(path) { 1226 float left, top, offset; 1227 uint32_t width, height; 1228 PathCache::computePathBounds(path, paint, left, top, offset, width, height); 1229 left -= offset; 1230 top -= offset; 1231 mLocalBounds.set(left, top, left + width, top + height); 1232 } 1233 1234 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1235 return renderer.drawPath(mPath, getPaint(renderer)); 1236 } 1237 1238 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1239 const DeferredDisplayState& state) { 1240 const SkPaint* paint = getPaint(renderer); 1241 renderer.getCaches().pathCache.precache(mPath, paint); 1242 1243 deferInfo.batchId = DeferredDisplayList::kOpBatch_AlphaMaskTexture; 1244 } 1245 1246 virtual void output(int level, uint32_t logFlags) const { 1247 OP_LOG("Draw Path %p in " RECT_STRING, mPath, RECT_ARGS(mLocalBounds)); 1248 } 1249 1250 virtual const char* name() { return "DrawPath"; } 1251 1252 private: 1253 const SkPath* mPath; 1254 }; 1255 1256 class DrawLinesOp : public DrawBoundedOp { 1257 public: 1258 DrawLinesOp(const float* points, int count, const SkPaint* paint) 1259 : DrawBoundedOp(points, count, paint), 1260 mPoints(points), mCount(count) { 1261 mLocalBounds.outset(strokeWidthOutset()); 1262 } 1263 1264 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1265 return renderer.drawLines(mPoints, mCount, getPaint(renderer)); 1266 } 1267 1268 virtual void output(int level, uint32_t logFlags) const { 1269 OP_LOG("Draw Lines count %d", mCount); 1270 } 1271 1272 virtual const char* name() { return "DrawLines"; } 1273 1274 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1275 const DeferredDisplayState& state) { 1276 deferInfo.batchId = mPaint->isAntiAlias() ? 1277 DeferredDisplayList::kOpBatch_AlphaVertices : 1278 DeferredDisplayList::kOpBatch_Vertices; 1279 } 1280 1281 protected: 1282 const float* mPoints; 1283 int mCount; 1284 }; 1285 1286 class DrawPointsOp : public DrawLinesOp { 1287 public: 1288 DrawPointsOp(const float* points, int count, const SkPaint* paint) 1289 : DrawLinesOp(points, count, paint) {} 1290 1291 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1292 return renderer.drawPoints(mPoints, mCount, getPaint(renderer)); 1293 } 1294 1295 virtual void output(int level, uint32_t logFlags) const { 1296 OP_LOG("Draw Points count %d", mCount); 1297 } 1298 1299 virtual const char* name() { return "DrawPoints"; } 1300 }; 1301 1302 class DrawSomeTextOp : public DrawOp { 1303 public: 1304 DrawSomeTextOp(const char* text, int bytesCount, int count, const SkPaint* paint) 1305 : DrawOp(paint), mText(text), mBytesCount(bytesCount), mCount(count) {}; 1306 1307 virtual void output(int level, uint32_t logFlags) const { 1308 OP_LOG("Draw some text, %d bytes", mBytesCount); 1309 } 1310 1311 virtual bool hasTextShadow() const { 1312 return OpenGLRenderer::hasTextShadow(mPaint); 1313 } 1314 1315 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1316 const DeferredDisplayState& state) { 1317 const SkPaint* paint = getPaint(renderer); 1318 FontRenderer& fontRenderer = renderer.getCaches().fontRenderer->getFontRenderer(paint); 1319 fontRenderer.precache(paint, mText, mCount, SkMatrix::I()); 1320 1321 deferInfo.batchId = mPaint->getColor() == SK_ColorBLACK ? 1322 DeferredDisplayList::kOpBatch_Text : 1323 DeferredDisplayList::kOpBatch_ColorText; 1324 } 1325 1326 protected: 1327 const char* mText; 1328 int mBytesCount; 1329 int mCount; 1330 }; 1331 1332 class DrawTextOnPathOp : public DrawSomeTextOp { 1333 public: 1334 DrawTextOnPathOp(const char* text, int bytesCount, int count, 1335 const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) 1336 : DrawSomeTextOp(text, bytesCount, count, paint), 1337 mPath(path), mHOffset(hOffset), mVOffset(vOffset) { 1338 /* TODO: inherit from DrawBounded and init mLocalBounds */ 1339 } 1340 1341 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1342 return renderer.drawTextOnPath(mText, mBytesCount, mCount, mPath, 1343 mHOffset, mVOffset, getPaint(renderer)); 1344 } 1345 1346 virtual const char* name() { return "DrawTextOnPath"; } 1347 1348 private: 1349 const SkPath* mPath; 1350 float mHOffset; 1351 float mVOffset; 1352 }; 1353 1354 class DrawPosTextOp : public DrawSomeTextOp { 1355 public: 1356 DrawPosTextOp(const char* text, int bytesCount, int count, 1357 const float* positions, const SkPaint* paint) 1358 : DrawSomeTextOp(text, bytesCount, count, paint), mPositions(positions) { 1359 /* TODO: inherit from DrawBounded and init mLocalBounds */ 1360 } 1361 1362 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1363 return renderer.drawPosText(mText, mBytesCount, mCount, mPositions, getPaint(renderer)); 1364 } 1365 1366 virtual const char* name() { return "DrawPosText"; } 1367 1368 private: 1369 const float* mPositions; 1370 }; 1371 1372 class DrawTextOp : public DrawStrokableOp { 1373 public: 1374 DrawTextOp(const char* text, int bytesCount, int count, float x, float y, 1375 const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds) 1376 : DrawStrokableOp(bounds, paint), mText(text), mBytesCount(bytesCount), mCount(count), 1377 mX(x), mY(y), mPositions(positions), mTotalAdvance(totalAdvance) { 1378 mPrecacheTransform = SkMatrix::InvalidMatrix(); 1379 } 1380 1381 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1382 const DeferredDisplayState& state) { 1383 const SkPaint* paint = getPaint(renderer); 1384 FontRenderer& fontRenderer = renderer.getCaches().fontRenderer->getFontRenderer(paint); 1385 SkMatrix transform; 1386 renderer.findBestFontTransform(state.mMatrix, &transform); 1387 if (mPrecacheTransform != transform) { 1388 fontRenderer.precache(paint, mText, mCount, transform); 1389 mPrecacheTransform = transform; 1390 } 1391 deferInfo.batchId = mPaint->getColor() == SK_ColorBLACK ? 1392 DeferredDisplayList::kOpBatch_Text : 1393 DeferredDisplayList::kOpBatch_ColorText; 1394 1395 deferInfo.mergeId = reinterpret_cast<mergeid_t>(mPaint->getColor()); 1396 1397 // don't merge decorated text - the decorations won't draw in order 1398 bool hasDecorations = mPaint->getFlags() 1399 & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag); 1400 1401 deferInfo.mergeable = state.mMatrix.isPureTranslate() 1402 && !hasDecorations 1403 && OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode; 1404 } 1405 1406 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1407 Rect bounds; 1408 getLocalBounds(bounds); 1409 return renderer.drawText(mText, mBytesCount, mCount, mX, mY, 1410 mPositions, getPaint(renderer), mTotalAdvance, bounds); 1411 } 1412 1413 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 1414 const Vector<OpStatePair>& ops, const Rect& bounds) { 1415 status_t status = DrawGlInfo::kStatusDone; 1416 for (unsigned int i = 0; i < ops.size(); i++) { 1417 const DeferredDisplayState& state = *(ops[i].state); 1418 DrawOpMode drawOpMode = (i == ops.size() - 1) ? kDrawOpMode_Flush : kDrawOpMode_Defer; 1419 renderer.restoreDisplayState(state, true); // restore all but the clip 1420 1421 DrawTextOp& op = *((DrawTextOp*)ops[i].op); 1422 // quickReject() will not occure in drawText() so we can use mLocalBounds 1423 // directly, we do not need to account for shadow by calling getLocalBounds() 1424 status |= renderer.drawText(op.mText, op.mBytesCount, op.mCount, op.mX, op.mY, 1425 op.mPositions, op.getPaint(renderer), op.mTotalAdvance, op.mLocalBounds, 1426 drawOpMode); 1427 } 1428 return status; 1429 } 1430 1431 virtual void output(int level, uint32_t logFlags) const { 1432 OP_LOG("Draw Text of count %d, bytes %d", mCount, mBytesCount); 1433 } 1434 1435 virtual const char* name() { return "DrawText"; } 1436 1437 private: 1438 const char* mText; 1439 int mBytesCount; 1440 int mCount; 1441 float mX; 1442 float mY; 1443 const float* mPositions; 1444 float mTotalAdvance; 1445 SkMatrix mPrecacheTransform; 1446 }; 1447 1448 /////////////////////////////////////////////////////////////////////////////// 1449 // SPECIAL DRAW OPERATIONS 1450 /////////////////////////////////////////////////////////////////////////////// 1451 1452 class DrawFunctorOp : public DrawOp { 1453 public: 1454 DrawFunctorOp(Functor* functor) 1455 : DrawOp(NULL), mFunctor(functor) {} 1456 1457 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1458 renderer.startMark("GL functor"); 1459 status_t ret = renderer.callDrawGLFunction(mFunctor, dirty); 1460 renderer.endMark(); 1461 return ret; 1462 } 1463 1464 virtual void output(int level, uint32_t logFlags) const { 1465 OP_LOG("Draw Functor %p", mFunctor); 1466 } 1467 1468 virtual const char* name() { return "DrawFunctor"; } 1469 1470 private: 1471 Functor* mFunctor; 1472 }; 1473 1474 class DrawRenderNodeOp : public DrawBoundedOp { 1475 friend class RenderNode; // grant RenderNode access to info of child 1476 friend class DisplayListData; // grant DisplayListData access to info of child 1477 public: 1478 DrawRenderNodeOp(RenderNode* renderNode, int flags, const mat4& transformFromParent) 1479 : DrawBoundedOp(0, 0, renderNode->getWidth(), renderNode->getHeight(), 0), 1480 mRenderNode(renderNode), mFlags(flags), mTransformFromParent(transformFromParent) {} 1481 1482 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 1483 bool useQuickReject) { 1484 if (mRenderNode->isRenderable() && !mSkipInOrderDraw) { 1485 mRenderNode->defer(deferStruct, level + 1); 1486 } 1487 } 1488 1489 virtual void replay(ReplayStateStruct& replayStruct, int saveCount, int level, 1490 bool useQuickReject) { 1491 if (mRenderNode->isRenderable() && !mSkipInOrderDraw) { 1492 mRenderNode->replay(replayStruct, level + 1); 1493 } 1494 } 1495 1496 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1497 LOG_ALWAYS_FATAL("should not be called, because replay() is overridden"); 1498 return 0; 1499 } 1500 1501 virtual void output(int level, uint32_t logFlags) const { 1502 OP_LOG("Draw RenderNode %p %s, flags %#x", mRenderNode, mRenderNode->getName(), mFlags); 1503 if (mRenderNode && (logFlags & kOpLogFlag_Recurse)) { 1504 mRenderNode->output(level + 1); 1505 } 1506 } 1507 1508 virtual const char* name() { return "DrawRenderNode"; } 1509 1510 RenderNode* renderNode() { return mRenderNode; } 1511 1512 private: 1513 RenderNode* mRenderNode; 1514 const int mFlags; 1515 1516 /////////////////////////// 1517 // Properties below are used by RenderNode::computeOrderingImpl() and issueOperations() 1518 /////////////////////////// 1519 /** 1520 * Records transform vs parent, used for computing total transform without rerunning DL contents 1521 */ 1522 const mat4 mTransformFromParent; 1523 1524 /** 1525 * Holds the transformation between the projection surface ViewGroup and this RenderNode 1526 * drawing instance. Represents any translations / transformations done within the drawing of 1527 * the compositing ancestor ViewGroup's draw, before the draw of the View represented by this 1528 * DisplayList draw instance. 1529 * 1530 * Note: doesn't include transformation within the RenderNode, or its properties. 1531 */ 1532 mat4 mTransformFromCompositingAncestor; 1533 bool mSkipInOrderDraw; 1534 }; 1535 1536 /** 1537 * Not a canvas operation, used only by 3d / z ordering logic in RenderNode::iterate() 1538 */ 1539 class DrawShadowOp : public DrawOp { 1540 public: 1541 DrawShadowOp(const mat4& transformXY, const mat4& transformZ, 1542 float casterAlpha, const SkPath* casterOutline) 1543 : DrawOp(NULL) 1544 , mTransformXY(transformXY) 1545 , mTransformZ(transformZ) 1546 , mCasterAlpha(casterAlpha) 1547 , mCasterOutline(casterOutline) { 1548 } 1549 1550 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1551 const DeferredDisplayState& state) { 1552 renderer.getCaches().tessellationCache.precacheShadows(&state.mMatrix, 1553 renderer.getLocalClipBounds(), isCasterOpaque(), mCasterOutline, 1554 &mTransformXY, &mTransformZ, renderer.getLightCenter(), renderer.getLightRadius()); 1555 } 1556 1557 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1558 TessellationCache::vertexBuffer_pair_t buffers; 1559 Matrix4 drawTransform(*(renderer.currentTransform())); 1560 renderer.getCaches().tessellationCache.getShadowBuffers(&drawTransform, 1561 renderer.getLocalClipBounds(), isCasterOpaque(), mCasterOutline, 1562 &mTransformXY, &mTransformZ, renderer.getLightCenter(), renderer.getLightRadius(), 1563 buffers); 1564 1565 return renderer.drawShadow(mCasterAlpha, buffers.first, buffers.second); 1566 } 1567 1568 virtual void output(int level, uint32_t logFlags) const { 1569 OP_LOGS("DrawShadow"); 1570 } 1571 1572 virtual const char* name() { return "DrawShadow"; } 1573 1574 private: 1575 bool isCasterOpaque() { return mCasterAlpha >= 1.0f; } 1576 1577 const mat4 mTransformXY; 1578 const mat4 mTransformZ; 1579 const float mCasterAlpha; 1580 const SkPath* mCasterOutline; 1581 }; 1582 1583 class DrawLayerOp : public DrawOp { 1584 public: 1585 DrawLayerOp(Layer* layer, float x, float y) 1586 : DrawOp(NULL), mLayer(layer), mX(x), mY(y) {} 1587 1588 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1589 return renderer.drawLayer(mLayer, mX, mY); 1590 } 1591 1592 virtual void output(int level, uint32_t logFlags) const { 1593 OP_LOG("Draw Layer %p at %f %f", mLayer, mX, mY); 1594 } 1595 1596 virtual const char* name() { return "DrawLayer"; } 1597 1598 private: 1599 Layer* mLayer; 1600 float mX; 1601 float mY; 1602 }; 1603 1604 }; // namespace uirenderer 1605 }; // namespace android 1606 1607 #endif // ANDROID_HWUI_DISPLAY_OPERATION_H 1608