DisplayListOp.h revision 7466986d2055eb8711f36a85ac539b1572ffe805
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 47namespace android { 48namespace 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 */ 61class DisplayListOp { 62public: 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 90class StateOp : public DisplayListOp { 91public: 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 114class DrawOp : public DisplayListOp { 115friend class MergingDrawBatch; 116public: 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 200protected: 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 // check state/paint for transparency 212 if (mPaint) { 213 if (mPaint->getShader() && !mPaint->getShader()->isOpaque()) { 214 return false; 215 } 216 if (mPaint->getAlpha() != 0xFF) { 217 return false; 218 } 219 } 220 221 if (state.mAlpha != 1.0f) return false; 222 223 SkXfermode::Mode mode = OpenGLRenderer::getXfermodeDirect(mPaint); 224 return (mode == SkXfermode::kSrcOver_Mode || 225 mode == SkXfermode::kSrc_Mode); 226 227 } 228 229 const SkPaint* mPaint; // should be accessed via getPaint() when applying 230 bool mQuickRejected; 231}; 232 233class DrawBoundedOp : public DrawOp { 234public: 235 DrawBoundedOp(float left, float top, float right, float bottom, const SkPaint* paint) 236 : DrawOp(paint), mLocalBounds(left, top, right, bottom) {} 237 238 DrawBoundedOp(const Rect& localBounds, const SkPaint* paint) 239 : DrawOp(paint), mLocalBounds(localBounds) {} 240 241 // Calculates bounds as smallest rect encompassing all points 242 // NOTE: requires at least 1 vertex, and doesn't account for stroke size (should be handled in 243 // subclass' constructor) 244 DrawBoundedOp(const float* points, int count, const SkPaint* paint) 245 : DrawOp(paint), mLocalBounds(points[0], points[1], points[0], points[1]) { 246 for (int i = 2; i < count; i += 2) { 247 mLocalBounds.left = fminf(mLocalBounds.left, points[i]); 248 mLocalBounds.right = fmaxf(mLocalBounds.right, points[i]); 249 mLocalBounds.top = fminf(mLocalBounds.top, points[i + 1]); 250 mLocalBounds.bottom = fmaxf(mLocalBounds.bottom, points[i + 1]); 251 } 252 } 253 254 // default empty constructor for bounds, to be overridden in child constructor body 255 DrawBoundedOp(const SkPaint* paint): DrawOp(paint) { } 256 257 virtual bool getLocalBounds(Rect& localBounds) { 258 localBounds.set(mLocalBounds); 259 OpenGLRenderer::TextShadow textShadow; 260 if (OpenGLRenderer::getTextShadow(mPaint, &textShadow)) { 261 Rect shadow(mLocalBounds); 262 shadow.translate(textShadow.dx, textShadow.dx); 263 shadow.outset(textShadow.radius); 264 localBounds.unionWith(shadow); 265 } 266 return true; 267 } 268 269protected: 270 Rect mLocalBounds; // displayed area in LOCAL coord. doesn't incorporate stroke, so check paint 271}; 272 273/////////////////////////////////////////////////////////////////////////////// 274// STATE OPERATIONS - these may affect the state of the canvas/renderer, but do 275// not directly draw or alter output 276/////////////////////////////////////////////////////////////////////////////// 277 278class SaveOp : public StateOp { 279public: 280 SaveOp(int flags) 281 : mFlags(flags) {} 282 283 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 284 bool useQuickReject) { 285 int newSaveCount = deferStruct.mRenderer.save(mFlags); 286 deferStruct.mDeferredList.addSave(deferStruct.mRenderer, this, newSaveCount); 287 } 288 289 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 290 renderer.save(mFlags); 291 } 292 293 virtual void output(int level, uint32_t logFlags) const { 294 OP_LOG("Save flags %x", mFlags); 295 } 296 297 virtual const char* name() { return "Save"; } 298 299 int getFlags() const { return mFlags; } 300private: 301 int mFlags; 302}; 303 304class RestoreToCountOp : public StateOp { 305public: 306 RestoreToCountOp(int count) 307 : mCount(count) {} 308 309 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 310 bool useQuickReject) { 311 deferStruct.mDeferredList.addRestoreToCount(deferStruct.mRenderer, 312 this, saveCount + mCount); 313 deferStruct.mRenderer.restoreToCount(saveCount + mCount); 314 } 315 316 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 317 renderer.restoreToCount(saveCount + mCount); 318 } 319 320 virtual void output(int level, uint32_t logFlags) const { 321 OP_LOG("Restore to count %d", mCount); 322 } 323 324 virtual const char* name() { return "RestoreToCount"; } 325 326private: 327 int mCount; 328}; 329 330class SaveLayerOp : public StateOp { 331public: 332 SaveLayerOp(float left, float top, float right, float bottom, int alpha, int flags) 333 : mArea(left, top, right, bottom) 334 , mPaint(&mCachedPaint) 335 , mFlags(flags) 336 , mConvexMask(NULL) { 337 mCachedPaint.setAlpha(alpha); 338 } 339 340 SaveLayerOp(float left, float top, float right, float bottom, const SkPaint* paint, int flags) 341 : mArea(left, top, right, bottom) 342 , mPaint(paint) 343 , mFlags(flags) 344 , mConvexMask(NULL) 345 {} 346 347 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 348 bool useQuickReject) { 349 // NOTE: don't bother with actual saveLayer, instead issuing it at flush time 350 int newSaveCount = deferStruct.mRenderer.getSaveCount(); 351 deferStruct.mDeferredList.addSaveLayer(deferStruct.mRenderer, this, newSaveCount); 352 353 // NOTE: don't issue full saveLayer, since that has side effects/is costly. instead just 354 // setup the snapshot for deferral, and re-issue the op at flush time 355 deferStruct.mRenderer.saveLayerDeferred(mArea.left, mArea.top, mArea.right, mArea.bottom, 356 mPaint, mFlags); 357 } 358 359 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 360 renderer.saveLayer(mArea.left, mArea.top, mArea.right, mArea.bottom, 361 mPaint, mFlags, mConvexMask); 362 } 363 364 virtual void output(int level, uint32_t logFlags) const { 365 OP_LOG("SaveLayer%s of area " RECT_STRING, 366 (isSaveLayerAlpha() ? "Alpha" : ""),RECT_ARGS(mArea)); 367 } 368 369 virtual const char* name() { return isSaveLayerAlpha() ? "SaveLayerAlpha" : "SaveLayer"; } 370 371 int getFlags() { return mFlags; } 372 373 // Called to make SaveLayerOp clip to the provided mask when drawing back/restored 374 void setMask(const SkPath* convexMask) { 375 mConvexMask = convexMask; 376 } 377 378private: 379 bool isSaveLayerAlpha() const { 380 SkXfermode::Mode mode = OpenGLRenderer::getXfermodeDirect(mPaint); 381 int alpha = OpenGLRenderer::getAlphaDirect(mPaint); 382 return alpha < 255 && mode == SkXfermode::kSrcOver_Mode; 383 } 384 385 Rect mArea; 386 const SkPaint* mPaint; 387 SkPaint mCachedPaint; 388 int mFlags; 389 390 // Convex path, points at data in RenderNode, valid for the duration of the frame only 391 // Only used for masking the SaveLayer which wraps projected RenderNodes 392 const SkPath* mConvexMask; 393}; 394 395class TranslateOp : public StateOp { 396public: 397 TranslateOp(float dx, float dy) 398 : mDx(dx), mDy(dy) {} 399 400 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 401 renderer.translate(mDx, mDy); 402 } 403 404 virtual void output(int level, uint32_t logFlags) const { 405 OP_LOG("Translate by %f %f", mDx, mDy); 406 } 407 408 virtual const char* name() { return "Translate"; } 409 410private: 411 float mDx; 412 float mDy; 413}; 414 415class RotateOp : public StateOp { 416public: 417 RotateOp(float degrees) 418 : mDegrees(degrees) {} 419 420 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 421 renderer.rotate(mDegrees); 422 } 423 424 virtual void output(int level, uint32_t logFlags) const { 425 OP_LOG("Rotate by %f degrees", mDegrees); 426 } 427 428 virtual const char* name() { return "Rotate"; } 429 430private: 431 float mDegrees; 432}; 433 434class ScaleOp : public StateOp { 435public: 436 ScaleOp(float sx, float sy) 437 : mSx(sx), mSy(sy) {} 438 439 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 440 renderer.scale(mSx, mSy); 441 } 442 443 virtual void output(int level, uint32_t logFlags) const { 444 OP_LOG("Scale by %f %f", mSx, mSy); 445 } 446 447 virtual const char* name() { return "Scale"; } 448 449private: 450 float mSx; 451 float mSy; 452}; 453 454class SkewOp : public StateOp { 455public: 456 SkewOp(float sx, float sy) 457 : mSx(sx), mSy(sy) {} 458 459 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 460 renderer.skew(mSx, mSy); 461 } 462 463 virtual void output(int level, uint32_t logFlags) const { 464 OP_LOG("Skew by %f %f", mSx, mSy); 465 } 466 467 virtual const char* name() { return "Skew"; } 468 469private: 470 float mSx; 471 float mSy; 472}; 473 474class SetMatrixOp : public StateOp { 475public: 476 SetMatrixOp(const SkMatrix& matrix) 477 : mMatrix(matrix) {} 478 479 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 480 renderer.setMatrix(mMatrix); 481 } 482 483 virtual void output(int level, uint32_t logFlags) const { 484 if (mMatrix.isIdentity()) { 485 OP_LOGS("SetMatrix (reset)"); 486 } else { 487 OP_LOG("SetMatrix " SK_MATRIX_STRING, SK_MATRIX_ARGS(&mMatrix)); 488 } 489 } 490 491 virtual const char* name() { return "SetMatrix"; } 492 493private: 494 const SkMatrix mMatrix; 495}; 496 497class ConcatMatrixOp : public StateOp { 498public: 499 ConcatMatrixOp(const SkMatrix& matrix) 500 : mMatrix(matrix) {} 501 502 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 503 renderer.concatMatrix(mMatrix); 504 } 505 506 virtual void output(int level, uint32_t logFlags) const { 507 OP_LOG("ConcatMatrix " SK_MATRIX_STRING, SK_MATRIX_ARGS(&mMatrix)); 508 } 509 510 virtual const char* name() { return "ConcatMatrix"; } 511 512private: 513 const SkMatrix mMatrix; 514}; 515 516class ClipOp : public StateOp { 517public: 518 ClipOp(SkRegion::Op op) : mOp(op) {} 519 520 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 521 bool useQuickReject) { 522 // NOTE: must defer op BEFORE applying state, since it may read clip 523 deferStruct.mDeferredList.addClip(deferStruct.mRenderer, this); 524 525 // TODO: Can we avoid applying complex clips at defer time? 526 applyState(deferStruct.mRenderer, saveCount); 527 } 528 529 bool canCauseComplexClip() { 530 return ((mOp != SkRegion::kIntersect_Op) && (mOp != SkRegion::kReplace_Op)) || !isRect(); 531 } 532 533protected: 534 virtual bool isRect() { return false; } 535 536 SkRegion::Op mOp; 537}; 538 539class ClipRectOp : public ClipOp { 540public: 541 ClipRectOp(float left, float top, float right, float bottom, SkRegion::Op op) 542 : ClipOp(op), mArea(left, top, right, bottom) {} 543 544 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 545 renderer.clipRect(mArea.left, mArea.top, mArea.right, mArea.bottom, mOp); 546 } 547 548 virtual void output(int level, uint32_t logFlags) const { 549 OP_LOG("ClipRect " RECT_STRING, RECT_ARGS(mArea)); 550 } 551 552 virtual const char* name() { return "ClipRect"; } 553 554protected: 555 virtual bool isRect() { return true; } 556 557private: 558 Rect mArea; 559}; 560 561class ClipPathOp : public ClipOp { 562public: 563 ClipPathOp(const SkPath* path, SkRegion::Op op) 564 : ClipOp(op), mPath(path) {} 565 566 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 567 renderer.clipPath(mPath, mOp); 568 } 569 570 virtual void output(int level, uint32_t logFlags) const { 571 SkRect bounds = mPath->getBounds(); 572 OP_LOG("ClipPath bounds " RECT_STRING, 573 bounds.left(), bounds.top(), bounds.right(), bounds.bottom()); 574 } 575 576 virtual const char* name() { return "ClipPath"; } 577 578private: 579 const SkPath* mPath; 580}; 581 582class ClipRegionOp : public ClipOp { 583public: 584 ClipRegionOp(const SkRegion* region, SkRegion::Op op) 585 : ClipOp(op), mRegion(region) {} 586 587 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 588 renderer.clipRegion(mRegion, mOp); 589 } 590 591 virtual void output(int level, uint32_t logFlags) const { 592 SkIRect bounds = mRegion->getBounds(); 593 OP_LOG("ClipRegion bounds %d %d %d %d", 594 bounds.left(), bounds.top(), bounds.right(), bounds.bottom()); 595 } 596 597 virtual const char* name() { return "ClipRegion"; } 598 599private: 600 const SkRegion* mRegion; 601}; 602 603class ResetPaintFilterOp : public StateOp { 604public: 605 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 606 renderer.resetPaintFilter(); 607 } 608 609 virtual void output(int level, uint32_t logFlags) const { 610 OP_LOGS("ResetPaintFilter"); 611 } 612 613 virtual const char* name() { return "ResetPaintFilter"; } 614}; 615 616class SetupPaintFilterOp : public StateOp { 617public: 618 SetupPaintFilterOp(int clearBits, int setBits) 619 : mClearBits(clearBits), mSetBits(setBits) {} 620 621 virtual void applyState(OpenGLRenderer& renderer, int saveCount) const { 622 renderer.setupPaintFilter(mClearBits, mSetBits); 623 } 624 625 virtual void output(int level, uint32_t logFlags) const { 626 OP_LOG("SetupPaintFilter, clear %#x, set %#x", mClearBits, mSetBits); 627 } 628 629 virtual const char* name() { return "SetupPaintFilter"; } 630 631private: 632 int mClearBits; 633 int mSetBits; 634}; 635 636/////////////////////////////////////////////////////////////////////////////// 637// DRAW OPERATIONS - these are operations that can draw to the canvas's device 638/////////////////////////////////////////////////////////////////////////////// 639 640class DrawBitmapOp : public DrawBoundedOp { 641public: 642 DrawBitmapOp(const SkBitmap* bitmap, const SkPaint* paint) 643 : DrawBoundedOp(0, 0, bitmap->width(), bitmap->height(), paint) 644 , mBitmap(bitmap) 645 , mAtlas(Caches::getInstance().assetAtlas) { 646 mEntry = mAtlas.getEntry(bitmap); 647 if (mEntry) { 648 mEntryGenerationId = mAtlas.getGenerationId(); 649 mUvMapper = mEntry->uvMapper; 650 } 651 } 652 653 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 654 return renderer.drawBitmap(mBitmap, getPaint(renderer)); 655 } 656 657 AssetAtlas::Entry* getAtlasEntry() { 658 // The atlas entry is stale, let's get a new one 659 if (mEntry && mEntryGenerationId != mAtlas.getGenerationId()) { 660 mEntryGenerationId = mAtlas.getGenerationId(); 661 mEntry = mAtlas.getEntry(mBitmap); 662 mUvMapper = mEntry->uvMapper; 663 } 664 return mEntry; 665 } 666 667#define SET_TEXTURE(ptr, posRect, offsetRect, texCoordsRect, xDim, yDim) \ 668 TextureVertex::set(ptr++, posRect.xDim - offsetRect.left, posRect.yDim - offsetRect.top, \ 669 texCoordsRect.xDim, texCoordsRect.yDim) 670 671 /** 672 * This multi-draw operation builds a mesh on the stack by generating a quad 673 * for each bitmap in the batch. This method is also responsible for dirtying 674 * the current layer, if any. 675 */ 676 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 677 const Vector<OpStatePair>& ops, const Rect& bounds) { 678 const DeferredDisplayState& firstState = *(ops[0].state); 679 renderer.restoreDisplayState(firstState, true); // restore all but the clip 680 681 TextureVertex vertices[6 * ops.size()]; 682 TextureVertex* vertex = &vertices[0]; 683 684 const bool hasLayer = renderer.hasLayer(); 685 bool pureTranslate = true; 686 687 // TODO: manually handle rect clip for bitmaps by adjusting texCoords per op, 688 // and allowing them to be merged in getBatchId() 689 for (unsigned int i = 0; i < ops.size(); i++) { 690 const DeferredDisplayState& state = *(ops[i].state); 691 const Rect& opBounds = state.mBounds; 692 // When we reach multiDraw(), the matrix can be either 693 // pureTranslate or simple (translate and/or scale). 694 // If the matrix is not pureTranslate, then we have a scale 695 pureTranslate &= state.mMatrix.isPureTranslate(); 696 697 Rect texCoords(0, 0, 1, 1); 698 ((DrawBitmapOp*) ops[i].op)->mUvMapper.map(texCoords); 699 700 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, top); 701 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, top); 702 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, bottom); 703 704 SET_TEXTURE(vertex, opBounds, bounds, texCoords, left, bottom); 705 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, top); 706 SET_TEXTURE(vertex, opBounds, bounds, texCoords, right, bottom); 707 708 if (hasLayer) { 709 renderer.dirtyLayer(opBounds.left, opBounds.top, opBounds.right, opBounds.bottom); 710 } 711 } 712 713 return renderer.drawBitmaps(mBitmap, mEntry, ops.size(), &vertices[0], 714 pureTranslate, bounds, mPaint); 715 } 716 717 virtual void output(int level, uint32_t logFlags) const { 718 OP_LOG("Draw bitmap %p at %f %f", mBitmap, mLocalBounds.left, mLocalBounds.top); 719 } 720 721 virtual const char* name() { return "DrawBitmap"; } 722 723 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 724 const DeferredDisplayState& state) { 725 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 726 deferInfo.mergeId = getAtlasEntry() ? 727 (mergeid_t) mEntry->getMergeId() : (mergeid_t) mBitmap; 728 729 // Don't merge non-simply transformed or neg scale ops, SET_TEXTURE doesn't handle rotation 730 // Don't merge A8 bitmaps - the paint's color isn't compared by mergeId, or in 731 // MergingDrawBatch::canMergeWith() 732 // TODO: support clipped bitmaps by handling them in SET_TEXTURE 733 deferInfo.mergeable = state.mMatrix.isSimple() && state.mMatrix.positiveScale() && 734 !state.mClipSideFlags && 735 OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode && 736 (mBitmap->colorType() != kAlpha_8_SkColorType); 737 } 738 739 const SkBitmap* bitmap() { return mBitmap; } 740protected: 741 const SkBitmap* mBitmap; 742 const AssetAtlas& mAtlas; 743 uint32_t mEntryGenerationId; 744 AssetAtlas::Entry* mEntry; 745 UvMapper mUvMapper; 746}; 747 748class DrawBitmapRectOp : public DrawBoundedOp { 749public: 750 DrawBitmapRectOp(const SkBitmap* bitmap, 751 float srcLeft, float srcTop, float srcRight, float srcBottom, 752 float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) 753 : DrawBoundedOp(dstLeft, dstTop, dstRight, dstBottom, paint), 754 mBitmap(bitmap), mSrc(srcLeft, srcTop, srcRight, srcBottom) {} 755 756 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 757 return renderer.drawBitmap(mBitmap, mSrc.left, mSrc.top, mSrc.right, mSrc.bottom, 758 mLocalBounds.left, mLocalBounds.top, mLocalBounds.right, mLocalBounds.bottom, 759 getPaint(renderer)); 760 } 761 762 virtual void output(int level, uint32_t logFlags) const { 763 OP_LOG("Draw bitmap %p src=" RECT_STRING ", dst=" RECT_STRING, 764 mBitmap, RECT_ARGS(mSrc), RECT_ARGS(mLocalBounds)); 765 } 766 767 virtual const char* name() { return "DrawBitmapRect"; } 768 769 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 770 const DeferredDisplayState& state) { 771 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 772 } 773 774private: 775 const SkBitmap* mBitmap; 776 Rect mSrc; 777}; 778 779class DrawBitmapDataOp : public DrawBitmapOp { 780public: 781 DrawBitmapDataOp(const SkBitmap* bitmap, const SkPaint* paint) 782 : DrawBitmapOp(bitmap, paint) {} 783 784 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 785 return renderer.drawBitmapData(mBitmap, getPaint(renderer)); 786 } 787 788 virtual void output(int level, uint32_t logFlags) const { 789 OP_LOG("Draw bitmap %p", mBitmap); 790 } 791 792 virtual const char* name() { return "DrawBitmapData"; } 793 794 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 795 const DeferredDisplayState& state) { 796 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 797 } 798}; 799 800class DrawBitmapMeshOp : public DrawBoundedOp { 801public: 802 DrawBitmapMeshOp(const SkBitmap* bitmap, int meshWidth, int meshHeight, 803 const float* vertices, const int* colors, const SkPaint* paint) 804 : DrawBoundedOp(vertices, 2 * (meshWidth + 1) * (meshHeight + 1), paint), 805 mBitmap(bitmap), mMeshWidth(meshWidth), mMeshHeight(meshHeight), 806 mVertices(vertices), mColors(colors) {} 807 808 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 809 return renderer.drawBitmapMesh(mBitmap, mMeshWidth, mMeshHeight, 810 mVertices, mColors, getPaint(renderer)); 811 } 812 813 virtual void output(int level, uint32_t logFlags) const { 814 OP_LOG("Draw bitmap %p mesh %d x %d", mBitmap, mMeshWidth, mMeshHeight); 815 } 816 817 virtual const char* name() { return "DrawBitmapMesh"; } 818 819 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 820 const DeferredDisplayState& state) { 821 deferInfo.batchId = DeferredDisplayList::kOpBatch_Bitmap; 822 } 823 824private: 825 const SkBitmap* mBitmap; 826 int mMeshWidth; 827 int mMeshHeight; 828 const float* mVertices; 829 const int* mColors; 830}; 831 832class DrawPatchOp : public DrawBoundedOp { 833public: 834 DrawPatchOp(const SkBitmap* bitmap, const Res_png_9patch* patch, 835 float left, float top, float right, float bottom, const SkPaint* paint) 836 : DrawBoundedOp(left, top, right, bottom, paint), 837 mBitmap(bitmap), mPatch(patch), mGenerationId(0), mMesh(NULL), 838 mAtlas(Caches::getInstance().assetAtlas) { 839 mEntry = mAtlas.getEntry(bitmap); 840 if (mEntry) { 841 mEntryGenerationId = mAtlas.getGenerationId(); 842 } 843 }; 844 845 AssetAtlas::Entry* getAtlasEntry() { 846 // The atlas entry is stale, let's get a new one 847 if (mEntry && mEntryGenerationId != mAtlas.getGenerationId()) { 848 mEntryGenerationId = mAtlas.getGenerationId(); 849 mEntry = mAtlas.getEntry(mBitmap); 850 } 851 return mEntry; 852 } 853 854 const Patch* getMesh(OpenGLRenderer& renderer) { 855 if (!mMesh || renderer.getCaches().patchCache.getGenerationId() != mGenerationId) { 856 PatchCache& cache = renderer.getCaches().patchCache; 857 mMesh = cache.get(getAtlasEntry(), mBitmap->width(), mBitmap->height(), 858 mLocalBounds.getWidth(), mLocalBounds.getHeight(), mPatch); 859 mGenerationId = cache.getGenerationId(); 860 } 861 return mMesh; 862 } 863 864 /** 865 * This multi-draw operation builds an indexed mesh on the stack by copying 866 * and transforming the vertices of each 9-patch in the batch. This method 867 * is also responsible for dirtying the current layer, if any. 868 */ 869 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 870 const Vector<OpStatePair>& ops, const Rect& bounds) { 871 const DeferredDisplayState& firstState = *(ops[0].state); 872 renderer.restoreDisplayState(firstState, true); // restore all but the clip 873 874 // Batches will usually contain a small number of items so it's 875 // worth performing a first iteration to count the exact number 876 // of vertices we need in the new mesh 877 uint32_t totalVertices = 0; 878 for (unsigned int i = 0; i < ops.size(); i++) { 879 totalVertices += ((DrawPatchOp*) ops[i].op)->getMesh(renderer)->verticesCount; 880 } 881 882 const bool hasLayer = renderer.hasLayer(); 883 884 uint32_t indexCount = 0; 885 886 TextureVertex vertices[totalVertices]; 887 TextureVertex* vertex = &vertices[0]; 888 889 // Create a mesh that contains the transformed vertices for all the 890 // 9-patch objects that are part of the batch. Note that onDefer() 891 // enforces ops drawn by this function to have a pure translate or 892 // identity matrix 893 for (unsigned int i = 0; i < ops.size(); i++) { 894 DrawPatchOp* patchOp = (DrawPatchOp*) ops[i].op; 895 const DeferredDisplayState* state = ops[i].state; 896 const Patch* opMesh = patchOp->getMesh(renderer); 897 uint32_t vertexCount = opMesh->verticesCount; 898 if (vertexCount == 0) continue; 899 900 // We use the bounds to know where to translate our vertices 901 // Using patchOp->state.mBounds wouldn't work because these 902 // bounds are clipped 903 const float tx = (int) floorf(state->mMatrix.getTranslateX() + 904 patchOp->mLocalBounds.left + 0.5f); 905 const float ty = (int) floorf(state->mMatrix.getTranslateY() + 906 patchOp->mLocalBounds.top + 0.5f); 907 908 // Copy & transform all the vertices for the current operation 909 TextureVertex* opVertices = opMesh->vertices; 910 for (uint32_t j = 0; j < vertexCount; j++, opVertices++) { 911 TextureVertex::set(vertex++, 912 opVertices->x + tx, opVertices->y + ty, 913 opVertices->u, opVertices->v); 914 } 915 916 // Dirty the current layer if possible. When the 9-patch does not 917 // contain empty quads we can take a shortcut and simply set the 918 // dirty rect to the object's bounds. 919 if (hasLayer) { 920 if (!opMesh->hasEmptyQuads) { 921 renderer.dirtyLayer(tx, ty, 922 tx + patchOp->mLocalBounds.getWidth(), 923 ty + patchOp->mLocalBounds.getHeight()); 924 } else { 925 const size_t count = opMesh->quads.size(); 926 for (size_t i = 0; i < count; i++) { 927 const Rect& quadBounds = opMesh->quads[i]; 928 const float x = tx + quadBounds.left; 929 const float y = ty + quadBounds.top; 930 renderer.dirtyLayer(x, y, 931 x + quadBounds.getWidth(), y + quadBounds.getHeight()); 932 } 933 } 934 } 935 936 indexCount += opMesh->indexCount; 937 } 938 939 return renderer.drawPatches(mBitmap, getAtlasEntry(), 940 &vertices[0], indexCount, getPaint(renderer)); 941 } 942 943 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 944 // We're not calling the public variant of drawPatch() here 945 // This method won't perform the quickReject() since we've already done it at this point 946 return renderer.drawPatch(mBitmap, getMesh(renderer), getAtlasEntry(), 947 mLocalBounds.left, mLocalBounds.top, mLocalBounds.right, mLocalBounds.bottom, 948 getPaint(renderer)); 949 } 950 951 virtual void output(int level, uint32_t logFlags) const { 952 OP_LOG("Draw patch " RECT_STRING, RECT_ARGS(mLocalBounds)); 953 } 954 955 virtual const char* name() { return "DrawPatch"; } 956 957 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 958 const DeferredDisplayState& state) { 959 deferInfo.batchId = DeferredDisplayList::kOpBatch_Patch; 960 deferInfo.mergeId = getAtlasEntry() ? (mergeid_t) mEntry->getMergeId() : (mergeid_t) mBitmap; 961 deferInfo.mergeable = state.mMatrix.isPureTranslate() && 962 OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode; 963 deferInfo.opaqueOverBounds = isOpaqueOverBounds(state) && mBitmap->isOpaque(); 964 } 965 966private: 967 const SkBitmap* mBitmap; 968 const Res_png_9patch* mPatch; 969 970 uint32_t mGenerationId; 971 const Patch* mMesh; 972 973 const AssetAtlas& mAtlas; 974 uint32_t mEntryGenerationId; 975 AssetAtlas::Entry* mEntry; 976}; 977 978class DrawColorOp : public DrawOp { 979public: 980 DrawColorOp(int color, SkXfermode::Mode mode) 981 : DrawOp(NULL), mColor(color), mMode(mode) {}; 982 983 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 984 return renderer.drawColor(mColor, mMode); 985 } 986 987 virtual void output(int level, uint32_t logFlags) const { 988 OP_LOG("Draw color %#x, mode %d", mColor, mMode); 989 } 990 991 virtual const char* name() { return "DrawColor"; } 992 993private: 994 int mColor; 995 SkXfermode::Mode mMode; 996}; 997 998class DrawStrokableOp : public DrawBoundedOp { 999public: 1000 DrawStrokableOp(float left, float top, float right, float bottom, const SkPaint* paint) 1001 : DrawBoundedOp(left, top, right, bottom, paint) {}; 1002 1003 virtual bool getLocalBounds(Rect& localBounds) { 1004 localBounds.set(mLocalBounds); 1005 if (mPaint && mPaint->getStyle() != SkPaint::kFill_Style) { 1006 localBounds.outset(strokeWidthOutset()); 1007 } 1008 return true; 1009 } 1010 1011 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1012 const DeferredDisplayState& state) { 1013 if (mPaint->getPathEffect()) { 1014 deferInfo.batchId = DeferredDisplayList::kOpBatch_AlphaMaskTexture; 1015 } else { 1016 deferInfo.batchId = mPaint->isAntiAlias() ? 1017 DeferredDisplayList::kOpBatch_AlphaVertices : 1018 DeferredDisplayList::kOpBatch_Vertices; 1019 } 1020 } 1021}; 1022 1023class DrawRectOp : public DrawStrokableOp { 1024public: 1025 DrawRectOp(float left, float top, float right, float bottom, const SkPaint* paint) 1026 : DrawStrokableOp(left, top, right, bottom, paint) {} 1027 1028 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1029 return renderer.drawRect(mLocalBounds.left, mLocalBounds.top, 1030 mLocalBounds.right, mLocalBounds.bottom, getPaint(renderer)); 1031 } 1032 1033 virtual void output(int level, uint32_t logFlags) const { 1034 OP_LOG("Draw Rect " RECT_STRING, RECT_ARGS(mLocalBounds)); 1035 } 1036 1037 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1038 const DeferredDisplayState& state) { 1039 DrawStrokableOp::onDefer(renderer, deferInfo, state); 1040 deferInfo.opaqueOverBounds = isOpaqueOverBounds(state) && 1041 mPaint->getStyle() == SkPaint::kFill_Style; 1042 } 1043 1044 virtual const char* name() { return "DrawRect"; } 1045}; 1046 1047class DrawRectsOp : public DrawBoundedOp { 1048public: 1049 DrawRectsOp(const float* rects, int count, const SkPaint* paint) 1050 : DrawBoundedOp(rects, count, paint), 1051 mRects(rects), mCount(count) {} 1052 1053 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1054 return renderer.drawRects(mRects, mCount, getPaint(renderer)); 1055 } 1056 1057 virtual void output(int level, uint32_t logFlags) const { 1058 OP_LOG("Draw Rects count %d", mCount); 1059 } 1060 1061 virtual const char* name() { return "DrawRects"; } 1062 1063 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1064 const DeferredDisplayState& state) { 1065 deferInfo.batchId = DeferredDisplayList::kOpBatch_Vertices; 1066 } 1067 1068private: 1069 const float* mRects; 1070 int mCount; 1071}; 1072 1073class DrawRoundRectOp : public DrawStrokableOp { 1074public: 1075 DrawRoundRectOp(float left, float top, float right, float bottom, 1076 float rx, float ry, const SkPaint* paint) 1077 : DrawStrokableOp(left, top, right, bottom, paint), mRx(rx), mRy(ry) {} 1078 1079 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1080 return renderer.drawRoundRect(mLocalBounds.left, mLocalBounds.top, 1081 mLocalBounds.right, mLocalBounds.bottom, mRx, mRy, getPaint(renderer)); 1082 } 1083 1084 virtual void output(int level, uint32_t logFlags) const { 1085 OP_LOG("Draw RoundRect " RECT_STRING ", rx %f, ry %f", RECT_ARGS(mLocalBounds), mRx, mRy); 1086 } 1087 1088 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1089 const DeferredDisplayState& state) { 1090 DrawStrokableOp::onDefer(renderer, deferInfo, state); 1091 if (!mPaint->getPathEffect()) { 1092 renderer.getCaches().tessellationCache.precacheRoundRect(state.mMatrix, *mPaint, 1093 mLocalBounds.getWidth(), mLocalBounds.getHeight(), mRx, mRy); 1094 } 1095 } 1096 1097 virtual const char* name() { return "DrawRoundRect"; } 1098 1099private: 1100 float mRx; 1101 float mRy; 1102}; 1103 1104class DrawCircleOp : public DrawStrokableOp { 1105public: 1106 DrawCircleOp(float x, float y, float radius, const SkPaint* paint) 1107 : DrawStrokableOp(x - radius, y - radius, x + radius, y + radius, paint), 1108 mX(x), mY(y), mRadius(radius) {} 1109 1110 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1111 return renderer.drawCircle(mX, mY, mRadius, getPaint(renderer)); 1112 } 1113 1114 virtual void output(int level, uint32_t logFlags) const { 1115 OP_LOG("Draw Circle x %f, y %f, r %f", mX, mY, mRadius); 1116 } 1117 1118 virtual const char* name() { return "DrawCircle"; } 1119 1120private: 1121 float mX; 1122 float mY; 1123 float mRadius; 1124}; 1125 1126class DrawCirclePropsOp : public DrawOp { 1127public: 1128 DrawCirclePropsOp(float* x, float* y, float* radius, const SkPaint* paint) 1129 : DrawOp(paint), mX(x), mY(y), mRadius(radius) {} 1130 1131 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1132 return renderer.drawCircle(*mX, *mY, *mRadius, getPaint(renderer)); 1133 } 1134 1135 virtual void output(int level, uint32_t logFlags) const { 1136 OP_LOG("Draw Circle Props x %p, y %p, r %p", mX, mY, mRadius); 1137 } 1138 1139 virtual const char* name() { return "DrawCircleProps"; } 1140 1141private: 1142 float* mX; 1143 float* mY; 1144 float* mRadius; 1145}; 1146 1147class DrawOvalOp : public DrawStrokableOp { 1148public: 1149 DrawOvalOp(float left, float top, float right, float bottom, const SkPaint* paint) 1150 : DrawStrokableOp(left, top, right, bottom, paint) {} 1151 1152 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1153 return renderer.drawOval(mLocalBounds.left, mLocalBounds.top, 1154 mLocalBounds.right, mLocalBounds.bottom, getPaint(renderer)); 1155 } 1156 1157 virtual void output(int level, uint32_t logFlags) const { 1158 OP_LOG("Draw Oval " RECT_STRING, RECT_ARGS(mLocalBounds)); 1159 } 1160 1161 virtual const char* name() { return "DrawOval"; } 1162}; 1163 1164class DrawArcOp : public DrawStrokableOp { 1165public: 1166 DrawArcOp(float left, float top, float right, float bottom, 1167 float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint) 1168 : DrawStrokableOp(left, top, right, bottom, paint), 1169 mStartAngle(startAngle), mSweepAngle(sweepAngle), mUseCenter(useCenter) {} 1170 1171 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1172 return renderer.drawArc(mLocalBounds.left, mLocalBounds.top, 1173 mLocalBounds.right, mLocalBounds.bottom, 1174 mStartAngle, mSweepAngle, mUseCenter, getPaint(renderer)); 1175 } 1176 1177 virtual void output(int level, uint32_t logFlags) const { 1178 OP_LOG("Draw Arc " RECT_STRING ", start %f, sweep %f, useCenter %d", 1179 RECT_ARGS(mLocalBounds), mStartAngle, mSweepAngle, mUseCenter); 1180 } 1181 1182 virtual const char* name() { return "DrawArc"; } 1183 1184private: 1185 float mStartAngle; 1186 float mSweepAngle; 1187 bool mUseCenter; 1188}; 1189 1190class DrawPathOp : public DrawBoundedOp { 1191public: 1192 DrawPathOp(const SkPath* path, const SkPaint* paint) 1193 : DrawBoundedOp(paint), mPath(path) { 1194 float left, top, offset; 1195 uint32_t width, height; 1196 PathCache::computePathBounds(path, paint, left, top, offset, width, height); 1197 left -= offset; 1198 top -= offset; 1199 mLocalBounds.set(left, top, left + width, top + height); 1200 } 1201 1202 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1203 return renderer.drawPath(mPath, getPaint(renderer)); 1204 } 1205 1206 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1207 const DeferredDisplayState& state) { 1208 const SkPaint* paint = getPaint(renderer); 1209 renderer.getCaches().pathCache.precache(mPath, paint); 1210 1211 deferInfo.batchId = DeferredDisplayList::kOpBatch_AlphaMaskTexture; 1212 } 1213 1214 virtual void output(int level, uint32_t logFlags) const { 1215 OP_LOG("Draw Path %p in " RECT_STRING, mPath, RECT_ARGS(mLocalBounds)); 1216 } 1217 1218 virtual const char* name() { return "DrawPath"; } 1219 1220private: 1221 const SkPath* mPath; 1222}; 1223 1224class DrawLinesOp : public DrawBoundedOp { 1225public: 1226 DrawLinesOp(const float* points, int count, const SkPaint* paint) 1227 : DrawBoundedOp(points, count, paint), 1228 mPoints(points), mCount(count) { 1229 mLocalBounds.outset(strokeWidthOutset()); 1230 } 1231 1232 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1233 return renderer.drawLines(mPoints, mCount, getPaint(renderer)); 1234 } 1235 1236 virtual void output(int level, uint32_t logFlags) const { 1237 OP_LOG("Draw Lines count %d", mCount); 1238 } 1239 1240 virtual const char* name() { return "DrawLines"; } 1241 1242 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1243 const DeferredDisplayState& state) { 1244 deferInfo.batchId = mPaint->isAntiAlias() ? 1245 DeferredDisplayList::kOpBatch_AlphaVertices : 1246 DeferredDisplayList::kOpBatch_Vertices; 1247 } 1248 1249protected: 1250 const float* mPoints; 1251 int mCount; 1252}; 1253 1254class DrawPointsOp : public DrawLinesOp { 1255public: 1256 DrawPointsOp(const float* points, int count, const SkPaint* paint) 1257 : DrawLinesOp(points, count, paint) {} 1258 1259 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1260 return renderer.drawPoints(mPoints, mCount, getPaint(renderer)); 1261 } 1262 1263 virtual void output(int level, uint32_t logFlags) const { 1264 OP_LOG("Draw Points count %d", mCount); 1265 } 1266 1267 virtual const char* name() { return "DrawPoints"; } 1268}; 1269 1270class DrawSomeTextOp : public DrawOp { 1271public: 1272 DrawSomeTextOp(const char* text, int bytesCount, int count, const SkPaint* paint) 1273 : DrawOp(paint), mText(text), mBytesCount(bytesCount), mCount(count) {}; 1274 1275 virtual void output(int level, uint32_t logFlags) const { 1276 OP_LOG("Draw some text, %d bytes", mBytesCount); 1277 } 1278 1279 virtual bool hasTextShadow() const { 1280 return OpenGLRenderer::hasTextShadow(mPaint); 1281 } 1282 1283 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1284 const DeferredDisplayState& state) { 1285 const SkPaint* paint = getPaint(renderer); 1286 FontRenderer& fontRenderer = renderer.getCaches().fontRenderer->getFontRenderer(paint); 1287 fontRenderer.precache(paint, mText, mCount, SkMatrix::I()); 1288 1289 deferInfo.batchId = mPaint->getColor() == SK_ColorBLACK ? 1290 DeferredDisplayList::kOpBatch_Text : 1291 DeferredDisplayList::kOpBatch_ColorText; 1292 } 1293 1294protected: 1295 const char* mText; 1296 int mBytesCount; 1297 int mCount; 1298}; 1299 1300class DrawTextOnPathOp : public DrawSomeTextOp { 1301public: 1302 DrawTextOnPathOp(const char* text, int bytesCount, int count, 1303 const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) 1304 : DrawSomeTextOp(text, bytesCount, count, paint), 1305 mPath(path), mHOffset(hOffset), mVOffset(vOffset) { 1306 /* TODO: inherit from DrawBounded and init mLocalBounds */ 1307 } 1308 1309 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1310 return renderer.drawTextOnPath(mText, mBytesCount, mCount, mPath, 1311 mHOffset, mVOffset, getPaint(renderer)); 1312 } 1313 1314 virtual const char* name() { return "DrawTextOnPath"; } 1315 1316private: 1317 const SkPath* mPath; 1318 float mHOffset; 1319 float mVOffset; 1320}; 1321 1322class DrawPosTextOp : public DrawSomeTextOp { 1323public: 1324 DrawPosTextOp(const char* text, int bytesCount, int count, 1325 const float* positions, const SkPaint* paint) 1326 : DrawSomeTextOp(text, bytesCount, count, paint), mPositions(positions) { 1327 /* TODO: inherit from DrawBounded and init mLocalBounds */ 1328 } 1329 1330 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1331 return renderer.drawPosText(mText, mBytesCount, mCount, mPositions, getPaint(renderer)); 1332 } 1333 1334 virtual const char* name() { return "DrawPosText"; } 1335 1336private: 1337 const float* mPositions; 1338}; 1339 1340class DrawTextOp : public DrawBoundedOp { 1341public: 1342 DrawTextOp(const char* text, int bytesCount, int count, float x, float y, 1343 const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds) 1344 : DrawBoundedOp(bounds, paint), mText(text), mBytesCount(bytesCount), mCount(count), 1345 mX(x), mY(y), mPositions(positions), mTotalAdvance(totalAdvance) { 1346 mPrecacheTransform = SkMatrix::InvalidMatrix(); 1347 } 1348 1349 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1350 const DeferredDisplayState& state) { 1351 const SkPaint* paint = getPaint(renderer); 1352 FontRenderer& fontRenderer = renderer.getCaches().fontRenderer->getFontRenderer(paint); 1353 SkMatrix transform; 1354 renderer.findBestFontTransform(state.mMatrix, &transform); 1355 if (mPrecacheTransform != transform) { 1356 fontRenderer.precache(paint, mText, mCount, transform); 1357 mPrecacheTransform = transform; 1358 } 1359 deferInfo.batchId = mPaint->getColor() == SK_ColorBLACK ? 1360 DeferredDisplayList::kOpBatch_Text : 1361 DeferredDisplayList::kOpBatch_ColorText; 1362 1363 deferInfo.mergeId = reinterpret_cast<mergeid_t>(mPaint->getColor()); 1364 1365 // don't merge decorated text - the decorations won't draw in order 1366 bool hasDecorations = mPaint->getFlags() 1367 & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag); 1368 1369 deferInfo.mergeable = state.mMatrix.isPureTranslate() 1370 && !hasDecorations 1371 && OpenGLRenderer::getXfermodeDirect(mPaint) == SkXfermode::kSrcOver_Mode; 1372 } 1373 1374 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1375 Rect bounds; 1376 getLocalBounds(bounds); 1377 return renderer.drawText(mText, mBytesCount, mCount, mX, mY, 1378 mPositions, getPaint(renderer), mTotalAdvance, bounds); 1379 } 1380 1381 virtual status_t multiDraw(OpenGLRenderer& renderer, Rect& dirty, 1382 const Vector<OpStatePair>& ops, const Rect& bounds) { 1383 status_t status = DrawGlInfo::kStatusDone; 1384 for (unsigned int i = 0; i < ops.size(); i++) { 1385 const DeferredDisplayState& state = *(ops[i].state); 1386 DrawOpMode drawOpMode = (i == ops.size() - 1) ? kDrawOpMode_Flush : kDrawOpMode_Defer; 1387 renderer.restoreDisplayState(state, true); // restore all but the clip 1388 1389 DrawTextOp& op = *((DrawTextOp*)ops[i].op); 1390 // quickReject() will not occure in drawText() so we can use mLocalBounds 1391 // directly, we do not need to account for shadow by calling getLocalBounds() 1392 status |= renderer.drawText(op.mText, op.mBytesCount, op.mCount, op.mX, op.mY, 1393 op.mPositions, op.getPaint(renderer), op.mTotalAdvance, op.mLocalBounds, 1394 drawOpMode); 1395 } 1396 return status; 1397 } 1398 1399 virtual void output(int level, uint32_t logFlags) const { 1400 OP_LOG("Draw Text of count %d, bytes %d", mCount, mBytesCount); 1401 } 1402 1403 virtual const char* name() { return "DrawText"; } 1404 1405private: 1406 const char* mText; 1407 int mBytesCount; 1408 int mCount; 1409 float mX; 1410 float mY; 1411 const float* mPositions; 1412 float mTotalAdvance; 1413 SkMatrix mPrecacheTransform; 1414}; 1415 1416/////////////////////////////////////////////////////////////////////////////// 1417// SPECIAL DRAW OPERATIONS 1418/////////////////////////////////////////////////////////////////////////////// 1419 1420class DrawFunctorOp : public DrawOp { 1421public: 1422 DrawFunctorOp(Functor* functor) 1423 : DrawOp(NULL), mFunctor(functor) {} 1424 1425 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1426 renderer.startMark("GL functor"); 1427 status_t ret = renderer.callDrawGLFunction(mFunctor, dirty); 1428 renderer.endMark(); 1429 return ret; 1430 } 1431 1432 virtual void output(int level, uint32_t logFlags) const { 1433 OP_LOG("Draw Functor %p", mFunctor); 1434 } 1435 1436 virtual const char* name() { return "DrawFunctor"; } 1437 1438private: 1439 Functor* mFunctor; 1440}; 1441 1442class DrawRenderNodeOp : public DrawBoundedOp { 1443 friend class RenderNode; // grant RenderNode access to info of child 1444public: 1445 DrawRenderNodeOp(RenderNode* renderNode, int flags, const mat4& transformFromParent) 1446 : DrawBoundedOp(0, 0, renderNode->getWidth(), renderNode->getHeight(), 0), 1447 mRenderNode(renderNode), mFlags(flags), mTransformFromParent(transformFromParent) {} 1448 1449 virtual void defer(DeferStateStruct& deferStruct, int saveCount, int level, 1450 bool useQuickReject) { 1451 if (mRenderNode && mRenderNode->isRenderable() && !mSkipInOrderDraw) { 1452 mRenderNode->defer(deferStruct, level + 1); 1453 } 1454 } 1455 virtual void replay(ReplayStateStruct& replayStruct, int saveCount, int level, 1456 bool useQuickReject) { 1457 if (mRenderNode && mRenderNode->isRenderable() && !mSkipInOrderDraw) { 1458 mRenderNode->replay(replayStruct, level + 1); 1459 } 1460 } 1461 1462 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1463 LOG_ALWAYS_FATAL("should not be called, because replay() is overridden"); 1464 return 0; 1465 } 1466 1467 virtual void output(int level, uint32_t logFlags) const { 1468 OP_LOG("Draw Display List %p, flags %#x", mRenderNode, mFlags); 1469 if (mRenderNode && (logFlags & kOpLogFlag_Recurse)) { 1470 mRenderNode->output(level + 1); 1471 } 1472 } 1473 1474 virtual const char* name() { return "DrawRenderNode"; } 1475 1476 RenderNode* renderNode() { return mRenderNode; } 1477 1478private: 1479 RenderNode* mRenderNode; 1480 const int mFlags; 1481 1482 /////////////////////////// 1483 // Properties below are used by RenderNode::computeOrderingImpl() and issueOperations() 1484 /////////////////////////// 1485 /** 1486 * Records transform vs parent, used for computing total transform without rerunning DL contents 1487 */ 1488 const mat4 mTransformFromParent; 1489 1490 /** 1491 * Holds the transformation between the projection surface ViewGroup and this RenderNode 1492 * drawing instance. Represents any translations / transformations done within the drawing of 1493 * the compositing ancestor ViewGroup's draw, before the draw of the View represented by this 1494 * DisplayList draw instance. 1495 * 1496 * Note: doesn't include transformation within the RenderNode, or its properties. 1497 */ 1498 mat4 mTransformFromCompositingAncestor; 1499 bool mSkipInOrderDraw; 1500}; 1501 1502/** 1503 * Not a canvas operation, used only by 3d / z ordering logic in RenderNode::iterate() 1504 */ 1505class DrawShadowOp : public DrawOp { 1506public: 1507 DrawShadowOp(const mat4& transformXY, const mat4& transformZ, 1508 float casterAlpha, const SkPath* casterOutline) 1509 : DrawOp(NULL) 1510 , mTransformXY(transformXY) 1511 , mTransformZ(transformZ) 1512 , mCasterAlpha(casterAlpha) 1513 , mCasterOutline(casterOutline) { 1514 } 1515 1516 virtual void onDefer(OpenGLRenderer& renderer, DeferInfo& deferInfo, 1517 const DeferredDisplayState& state) { 1518 renderer.getCaches().tessellationCache.precacheShadows(&state.mMatrix, 1519 renderer.getLocalClipBounds(), isCasterOpaque(), mCasterOutline, 1520 &mTransformXY, &mTransformZ, renderer.getLightCenter(), renderer.getLightRadius()); 1521 } 1522 1523 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1524 TessellationCache::vertexBuffer_pair_t buffers; 1525 Matrix4 drawTransform; 1526 renderer.getMatrix(&drawTransform); 1527 renderer.getCaches().tessellationCache.getShadowBuffers(&drawTransform, 1528 renderer.getLocalClipBounds(), isCasterOpaque(), mCasterOutline, 1529 &mTransformXY, &mTransformZ, renderer.getLightCenter(), renderer.getLightRadius(), 1530 buffers); 1531 1532 return renderer.drawShadow(mCasterAlpha, buffers.first, buffers.second); 1533 } 1534 1535 virtual void output(int level, uint32_t logFlags) const { 1536 OP_LOGS("DrawShadow"); 1537 } 1538 1539 virtual const char* name() { return "DrawShadow"; } 1540 1541private: 1542 bool isCasterOpaque() { return mCasterAlpha >= 1.0f; } 1543 1544 const mat4 mTransformXY; 1545 const mat4 mTransformZ; 1546 const float mCasterAlpha; 1547 const SkPath* mCasterOutline; 1548}; 1549 1550class DrawLayerOp : public DrawOp { 1551public: 1552 DrawLayerOp(Layer* layer, float x, float y) 1553 : DrawOp(NULL), mLayer(layer), mX(x), mY(y) {} 1554 1555 virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty) { 1556 return renderer.drawLayer(mLayer, mX, mY); 1557 } 1558 1559 virtual void output(int level, uint32_t logFlags) const { 1560 OP_LOG("Draw Layer %p at %f %f", mLayer, mX, mY); 1561 } 1562 1563 virtual const char* name() { return "DrawLayer"; } 1564 1565private: 1566 Layer* mLayer; 1567 float mX; 1568 float mY; 1569}; 1570 1571}; // namespace uirenderer 1572}; // namespace android 1573 1574#endif // ANDROID_HWUI_DISPLAY_OPERATION_H 1575