DisplayListCanvas.cpp revision 772687d24206e2fa2deebf0980a932573a624b17 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "DisplayListCanvas.h"
18
19#include "ResourceCache.h"
20#include "DeferredDisplayList.h"
21#include "DeferredLayerUpdater.h"
22#include "DisplayListOp.h"
23#include "RenderNode.h"
24#include "utils/PaintUtils.h"
25
26#include <SkCamera.h>
27#include <SkCanvas.h>
28
29#include <private/hwui/DrawGlInfo.h>
30
31namespace android {
32namespace uirenderer {
33
34DisplayListCanvas::DisplayListCanvas()
35    : mState(*this)
36    , mResourceCache(ResourceCache::getInstance())
37    , mDisplayListData(nullptr)
38    , mTranslateX(0.0f)
39    , mTranslateY(0.0f)
40    , mHasDeferredTranslate(false)
41    , mDeferredBarrierType(kBarrier_None)
42    , mHighContrastText(false)
43    , mRestoreSaveCount(-1) {
44}
45
46DisplayListCanvas::~DisplayListCanvas() {
47    LOG_ALWAYS_FATAL_IF(mDisplayListData,
48            "Destroyed a DisplayListCanvas during a record!");
49}
50
51///////////////////////////////////////////////////////////////////////////////
52// Operations
53///////////////////////////////////////////////////////////////////////////////
54
55DisplayListData* DisplayListCanvas::finishRecording() {
56    mPaintMap.clear();
57    mRegionMap.clear();
58    mPathMap.clear();
59    DisplayListData* data = mDisplayListData;
60    mDisplayListData = nullptr;
61    mSkiaCanvasProxy.reset(nullptr);
62    return data;
63}
64
65void DisplayListCanvas::prepareDirty(float left, float top,
66        float right, float bottom) {
67
68    LOG_ALWAYS_FATAL_IF(mDisplayListData,
69            "prepareDirty called a second time during a recording!");
70    mDisplayListData = new DisplayListData();
71
72    mState.initializeSaveStack(0, 0, mState.getWidth(), mState.getHeight(), Vector3());
73
74    mDeferredBarrierType = kBarrier_InOrder;
75    mState.setDirtyClip(false);
76    mRestoreSaveCount = -1;
77}
78
79bool DisplayListCanvas::finish() {
80    flushRestoreToCount();
81    flushTranslate();
82    return false;
83}
84
85void DisplayListCanvas::interrupt() {
86}
87
88void DisplayListCanvas::resume() {
89}
90
91void DisplayListCanvas::callDrawGLFunction(Functor *functor) {
92    addDrawOp(new (alloc()) DrawFunctorOp(functor));
93    mDisplayListData->functors.add(functor);
94}
95
96SkCanvas* DisplayListCanvas::asSkCanvas() {
97    LOG_ALWAYS_FATAL_IF(!mDisplayListData,
98            "attempting to get an SkCanvas when we are not recording!");
99    if (!mSkiaCanvasProxy) {
100        mSkiaCanvasProxy.reset(new SkiaCanvasProxy(this));
101    }
102    return mSkiaCanvasProxy.get();
103}
104
105int DisplayListCanvas::save(SkCanvas::SaveFlags flags) {
106    addStateOp(new (alloc()) SaveOp((int) flags));
107    return mState.save((int) flags);
108}
109
110void DisplayListCanvas::restore() {
111    if (mRestoreSaveCount < 0) {
112        restoreToCount(getSaveCount() - 1);
113        return;
114    }
115
116    mRestoreSaveCount--;
117    flushTranslate();
118    mState.restore();
119}
120
121void DisplayListCanvas::restoreToCount(int saveCount) {
122    mRestoreSaveCount = saveCount;
123    flushTranslate();
124    mState.restoreToCount(saveCount);
125}
126
127int DisplayListCanvas::saveLayer(float left, float top, float right, float bottom,
128        const SkPaint* paint, SkCanvas::SaveFlags flags) {
129    // force matrix/clip isolation for layer
130    flags |= SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag;
131
132    paint = refPaint(paint);
133    addStateOp(new (alloc()) SaveLayerOp(left, top, right, bottom, paint, (int) flags));
134    return mState.save((int) flags);
135}
136
137void DisplayListCanvas::translate(float dx, float dy) {
138    if (dx == 0.0f && dy == 0.0f) return;
139
140    mHasDeferredTranslate = true;
141    mTranslateX += dx;
142    mTranslateY += dy;
143    flushRestoreToCount();
144    mState.translate(dx, dy, 0.0f);
145}
146
147void DisplayListCanvas::rotate(float degrees) {
148    if (degrees == 0.0f) return;
149
150    addStateOp(new (alloc()) RotateOp(degrees));
151    mState.rotate(degrees);
152}
153
154void DisplayListCanvas::scale(float sx, float sy) {
155    if (sx == 1.0f && sy == 1.0f) return;
156
157    addStateOp(new (alloc()) ScaleOp(sx, sy));
158    mState.scale(sx, sy);
159}
160
161void DisplayListCanvas::skew(float sx, float sy) {
162    addStateOp(new (alloc()) SkewOp(sx, sy));
163    mState.skew(sx, sy);
164}
165
166void DisplayListCanvas::setMatrix(const SkMatrix& matrix) {
167    addStateOp(new (alloc()) SetMatrixOp(matrix));
168    mState.setMatrix(matrix);
169}
170
171void DisplayListCanvas::concat(const SkMatrix& matrix) {
172    addStateOp(new (alloc()) ConcatMatrixOp(matrix));
173    mState.concatMatrix(matrix);
174}
175
176bool DisplayListCanvas::getClipBounds(SkRect* outRect) const {
177    Rect bounds = mState.getLocalClipBounds();
178    *outRect = SkRect::MakeLTRB(bounds.left, bounds.top, bounds.right, bounds.bottom);
179    return !(outRect->isEmpty());
180}
181
182bool DisplayListCanvas::quickRejectRect(float left, float top, float right, float bottom) const {
183    return mState.quickRejectConservative(left, top, right, bottom);
184}
185
186bool DisplayListCanvas::quickRejectPath(const SkPath& path) const {
187    SkRect bounds = path.getBounds();
188    return mState.quickRejectConservative(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom);
189}
190
191
192bool DisplayListCanvas::clipRect(float left, float top, float right, float bottom,
193        SkRegion::Op op) {
194    addStateOp(new (alloc()) ClipRectOp(left, top, right, bottom, op));
195    return mState.clipRect(left, top, right, bottom, op);
196}
197
198bool DisplayListCanvas::clipPath(const SkPath* path, SkRegion::Op op) {
199    path = refPath(path);
200    addStateOp(new (alloc()) ClipPathOp(path, op));
201    return mState.clipPath(path, op);
202}
203
204bool DisplayListCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) {
205    region = refRegion(region);
206    addStateOp(new (alloc()) ClipRegionOp(region, op));
207    return mState.clipRegion(region, op);
208}
209
210void DisplayListCanvas::drawRenderNode(RenderNode* renderNode) {
211    LOG_ALWAYS_FATAL_IF(!renderNode, "missing rendernode");
212    DrawRenderNodeOp* op = new (alloc()) DrawRenderNodeOp(
213            renderNode,
214            *mState.currentTransform(),
215            mState.clipIsSimple());
216    addRenderNodeOp(op);
217}
218
219void DisplayListCanvas::drawLayer(DeferredLayerUpdater* layerHandle, float x, float y) {
220    // We ref the DeferredLayerUpdater due to its thread-safe ref-counting
221    // semantics.
222    mDisplayListData->ref(layerHandle);
223    addDrawOp(new (alloc()) DrawLayerOp(layerHandle->backingLayer(), x, y));
224}
225
226void DisplayListCanvas::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) {
227    bitmap = refBitmap(*bitmap);
228    paint = refPaint(paint);
229
230    addDrawOp(new (alloc()) DrawBitmapOp(bitmap, paint));
231}
232
233void DisplayListCanvas::drawBitmap(const SkBitmap& bitmap, float left, float top,
234        const SkPaint* paint) {
235    save(SkCanvas::kMatrix_SaveFlag);
236    translate(left, top);
237    drawBitmap(&bitmap, paint);
238    restore();
239}
240
241void DisplayListCanvas::drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix,
242        const SkPaint* paint) {
243    if (matrix.isIdentity()) {
244        drawBitmap(&bitmap, paint);
245    } else if (!(matrix.getType() & ~(SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask))) {
246        // SkMatrix::isScaleTranslate() not available in L
247        SkRect src;
248        SkRect dst;
249        bitmap.getBounds(&src);
250        matrix.mapRect(&dst, src);
251        drawBitmap(bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom,
252                   dst.fLeft, dst.fTop, dst.fRight, dst.fBottom, paint);
253    } else {
254        save(SkCanvas::kMatrix_SaveFlag);
255        concat(matrix);
256        drawBitmap(&bitmap, paint);
257        restore();
258    }
259}
260
261void DisplayListCanvas::drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop,
262        float srcRight, float srcBottom, float dstLeft, float dstTop,
263        float dstRight, float dstBottom, const SkPaint* paint) {
264    if (srcLeft == 0 && srcTop == 0
265            && srcRight == bitmap.width()
266            && srcBottom == bitmap.height()
267            && (srcBottom - srcTop == dstBottom - dstTop)
268            && (srcRight - srcLeft == dstRight - dstLeft)) {
269        // transform simple rect to rect drawing case into position bitmap ops, since they merge
270        save(SkCanvas::kMatrix_SaveFlag);
271        translate(dstLeft, dstTop);
272        drawBitmap(&bitmap, paint);
273        restore();
274    } else {
275        paint = refPaint(paint);
276
277        if (paint && paint->getShader()) {
278            float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft);
279            float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop);
280            if (!MathUtils::areEqual(scaleX, 1.0f) || !MathUtils::areEqual(scaleY, 1.0f)) {
281                // Apply the scale transform on the canvas, so that the shader
282                // effectively calculates positions relative to src rect space
283
284                save(SkCanvas::kMatrix_SaveFlag);
285                translate(dstLeft, dstTop);
286                scale(scaleX, scaleY);
287
288                dstLeft = 0.0f;
289                dstTop = 0.0f;
290                dstRight = srcRight - srcLeft;
291                dstBottom = srcBottom - srcTop;
292
293                addDrawOp(new (alloc()) DrawBitmapRectOp(refBitmap(bitmap),
294                        srcLeft, srcTop, srcRight, srcBottom,
295                        dstLeft, dstTop, dstRight, dstBottom, paint));
296                restore();
297                return;
298            }
299        }
300
301        addDrawOp(new (alloc()) DrawBitmapRectOp(refBitmap(bitmap),
302                srcLeft, srcTop, srcRight, srcBottom,
303                dstLeft, dstTop, dstRight, dstBottom, paint));
304    }
305}
306
307void DisplayListCanvas::drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight,
308        const float* vertices, const int* colors, const SkPaint* paint) {
309    int vertexCount = (meshWidth + 1) * (meshHeight + 1);
310    vertices = refBuffer<float>(vertices, vertexCount * 2); // 2 floats per vertex
311    paint = refPaint(paint);
312    colors = refBuffer<int>(colors, vertexCount); // 1 color per vertex
313
314    addDrawOp(new (alloc()) DrawBitmapMeshOp(refBitmap(bitmap), meshWidth, meshHeight,
315           vertices, colors, paint));
316}
317
318void DisplayListCanvas::drawPatch(const SkBitmap& bitmap, const Res_png_9patch* patch,
319        float left, float top, float right, float bottom, const SkPaint* paint) {
320    const SkBitmap* bitmapPtr = refBitmap(bitmap);
321    patch = refPatch(patch);
322    paint = refPaint(paint);
323
324    addDrawOp(new (alloc()) DrawPatchOp(bitmapPtr, patch, left, top, right, bottom, paint));
325}
326
327void DisplayListCanvas::drawColor(int color, SkXfermode::Mode mode) {
328    addDrawOp(new (alloc()) DrawColorOp(color, mode));
329}
330
331void DisplayListCanvas::drawPaint(const SkPaint& paint) {
332    SkRect bounds;
333    if (getClipBounds(&bounds)) {
334        drawRect(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, paint);
335    }
336}
337
338
339void DisplayListCanvas::drawRect(float left, float top, float right, float bottom,
340        const SkPaint& paint) {
341    addDrawOp(new (alloc()) DrawRectOp(left, top, right, bottom, refPaint(&paint)));
342}
343
344void DisplayListCanvas::drawRoundRect(float left, float top, float right, float bottom,
345        float rx, float ry, const SkPaint& paint) {
346    addDrawOp(new (alloc()) DrawRoundRectOp(left, top, right, bottom, rx, ry, refPaint(&paint)));
347}
348
349void DisplayListCanvas::drawRoundRect(
350        CanvasPropertyPrimitive* left, CanvasPropertyPrimitive* top,
351        CanvasPropertyPrimitive* right, CanvasPropertyPrimitive* bottom,
352        CanvasPropertyPrimitive* rx, CanvasPropertyPrimitive* ry,
353        CanvasPropertyPaint* paint) {
354    mDisplayListData->ref(left);
355    mDisplayListData->ref(top);
356    mDisplayListData->ref(right);
357    mDisplayListData->ref(bottom);
358    mDisplayListData->ref(rx);
359    mDisplayListData->ref(ry);
360    mDisplayListData->ref(paint);
361    refBitmapsInShader(paint->value.getShader());
362    addDrawOp(new (alloc()) DrawRoundRectPropsOp(&left->value, &top->value,
363            &right->value, &bottom->value, &rx->value, &ry->value, &paint->value));
364}
365
366void DisplayListCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) {
367    addDrawOp(new (alloc()) DrawCircleOp(x, y, radius, refPaint(&paint)));
368}
369
370void DisplayListCanvas::drawCircle(CanvasPropertyPrimitive* x, CanvasPropertyPrimitive* y,
371        CanvasPropertyPrimitive* radius, CanvasPropertyPaint* paint) {
372    mDisplayListData->ref(x);
373    mDisplayListData->ref(y);
374    mDisplayListData->ref(radius);
375    mDisplayListData->ref(paint);
376    refBitmapsInShader(paint->value.getShader());
377    addDrawOp(new (alloc()) DrawCirclePropsOp(&x->value, &y->value,
378            &radius->value, &paint->value));
379}
380
381void DisplayListCanvas::drawOval(float left, float top, float right, float bottom,
382        const SkPaint& paint) {
383    addDrawOp(new (alloc()) DrawOvalOp(left, top, right, bottom, refPaint(&paint)));
384}
385
386void DisplayListCanvas::drawArc(float left, float top, float right, float bottom,
387        float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) {
388    if (fabs(sweepAngle) >= 360.0f) {
389        drawOval(left, top, right, bottom, paint);
390    } else {
391        addDrawOp(new (alloc()) DrawArcOp(left, top, right, bottom,
392                        startAngle, sweepAngle, useCenter, refPaint(&paint)));
393    }
394}
395
396void DisplayListCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
397    addDrawOp(new (alloc()) DrawPathOp(refPath(&path), refPaint(&paint)));
398}
399
400void DisplayListCanvas::drawLines(const float* points, int count, const SkPaint& paint) {
401    points = refBuffer<float>(points, count);
402
403    addDrawOp(new (alloc()) DrawLinesOp(points, count, refPaint(&paint)));
404}
405
406void DisplayListCanvas::drawPoints(const float* points, int count, const SkPaint& paint) {
407    points = refBuffer<float>(points, count);
408
409    addDrawOp(new (alloc()) DrawPointsOp(points, count, refPaint(&paint)));
410}
411
412void DisplayListCanvas::drawTextOnPath(const uint16_t* glyphs, int count,
413        const SkPath& path, float hOffset, float vOffset, const SkPaint& paint) {
414    if (!glyphs || count <= 0) return;
415
416    int bytesCount = 2 * count;
417    DrawOp* op = new (alloc()) DrawTextOnPathOp(refText((const char*) glyphs, bytesCount),
418            bytesCount, count, refPath(&path),
419            hOffset, vOffset, refPaint(&paint));
420    addDrawOp(op);
421}
422
423void DisplayListCanvas::drawPosText(const uint16_t* text, const float* positions,
424        int count, int posCount, const SkPaint& paint) {
425    if (!text || count <= 0) return;
426
427    int bytesCount = 2 * count;
428    positions = refBuffer<float>(positions, count * 2);
429
430    DrawOp* op = new (alloc()) DrawPosTextOp(refText((const char*) text, bytesCount),
431                                             bytesCount, count, positions, refPaint(&paint));
432    addDrawOp(op);
433}
434
435static void simplifyPaint(int color, SkPaint* paint) {
436    paint->setColor(color);
437    paint->setShader(nullptr);
438    paint->setColorFilter(nullptr);
439    paint->setLooper(nullptr);
440    paint->setStrokeWidth(4 + 0.04 * paint->getTextSize());
441    paint->setStrokeJoin(SkPaint::kRound_Join);
442    paint->setLooper(nullptr);
443}
444
445void DisplayListCanvas::drawText(const uint16_t* glyphs, const float* positions,
446        int count, const SkPaint& paint, float x, float y,
447        float boundsLeft, float boundsTop, float boundsRight, float boundsBottom,
448        float totalAdvance) {
449
450    if (!glyphs || count <= 0 || PaintUtils::paintWillNotDrawText(paint)) return;
451
452    int bytesCount = count * 2;
453    const char* text = refText((const char*) glyphs, bytesCount);
454    positions = refBuffer<float>(positions, count * 2);
455    Rect bounds(boundsLeft, boundsTop, boundsRight, boundsBottom);
456
457    if (CC_UNLIKELY(mHighContrastText)) {
458        // high contrast draw path
459        int color = paint.getColor();
460        int channelSum = SkColorGetR(color) + SkColorGetG(color) + SkColorGetB(color);
461        bool darken = channelSum < (128 * 3);
462
463        // outline
464        SkPaint* outlinePaint = copyPaint(&paint);
465        simplifyPaint(darken ? SK_ColorWHITE : SK_ColorBLACK, outlinePaint);
466        outlinePaint->setStyle(SkPaint::kStrokeAndFill_Style);
467        addDrawOp(new (alloc()) DrawTextOp(text, bytesCount, count,
468                x, y, positions, outlinePaint, totalAdvance, bounds)); // bounds?
469
470        // inner
471        SkPaint* innerPaint = copyPaint(&paint);
472        simplifyPaint(darken ? SK_ColorBLACK : SK_ColorWHITE, innerPaint);
473        innerPaint->setStyle(SkPaint::kFill_Style);
474        addDrawOp(new (alloc()) DrawTextOp(text, bytesCount, count,
475                x, y, positions, innerPaint, totalAdvance, bounds));
476    } else {
477        // standard draw path
478        DrawOp* op = new (alloc()) DrawTextOp(text, bytesCount, count,
479                x, y, positions, refPaint(&paint), totalAdvance, bounds);
480        addDrawOp(op);
481    }
482}
483
484void DisplayListCanvas::drawRects(const float* rects, int count, const SkPaint* paint) {
485    if (count <= 0) return;
486
487    rects = refBuffer<float>(rects, count);
488    paint = refPaint(paint);
489    addDrawOp(new (alloc()) DrawRectsOp(rects, count, paint));
490}
491
492void DisplayListCanvas::setDrawFilter(SkDrawFilter* filter) {
493    mDrawFilter.reset(SkSafeRef(filter));
494}
495
496void DisplayListCanvas::insertReorderBarrier(bool enableReorder) {
497    flushRestoreToCount();
498    flushTranslate();
499    mDeferredBarrierType = enableReorder ? kBarrier_OutOfOrder : kBarrier_InOrder;
500}
501
502void DisplayListCanvas::flushRestoreToCount() {
503    if (mRestoreSaveCount >= 0) {
504        addOpAndUpdateChunk(new (alloc()) RestoreToCountOp(mRestoreSaveCount));
505        mRestoreSaveCount = -1;
506    }
507}
508
509void DisplayListCanvas::flushTranslate() {
510    if (mHasDeferredTranslate) {
511        if (mTranslateX != 0.0f || mTranslateY != 0.0f) {
512            addOpAndUpdateChunk(new (alloc()) TranslateOp(mTranslateX, mTranslateY));
513            mTranslateX = mTranslateY = 0.0f;
514        }
515        mHasDeferredTranslate = false;
516    }
517}
518
519size_t DisplayListCanvas::addOpAndUpdateChunk(DisplayListOp* op) {
520    int insertIndex = mDisplayListData->displayListOps.add(op);
521    if (mDeferredBarrierType != kBarrier_None) {
522        // op is first in new chunk
523        mDisplayListData->chunks.push();
524        DisplayListData::Chunk& newChunk = mDisplayListData->chunks.editTop();
525        newChunk.beginOpIndex = insertIndex;
526        newChunk.endOpIndex = insertIndex + 1;
527        newChunk.reorderChildren = (mDeferredBarrierType == kBarrier_OutOfOrder);
528
529        int nextChildIndex = mDisplayListData->children().size();
530        newChunk.beginChildIndex = newChunk.endChildIndex = nextChildIndex;
531        mDeferredBarrierType = kBarrier_None;
532    } else {
533        // standard case - append to existing chunk
534        mDisplayListData->chunks.editTop().endOpIndex = insertIndex + 1;
535    }
536    return insertIndex;
537}
538
539size_t DisplayListCanvas::flushAndAddOp(DisplayListOp* op) {
540    flushRestoreToCount();
541    flushTranslate();
542    return addOpAndUpdateChunk(op);
543}
544
545size_t DisplayListCanvas::addStateOp(StateOp* op) {
546    return flushAndAddOp(op);
547}
548
549size_t DisplayListCanvas::addDrawOp(DrawOp* op) {
550    Rect localBounds;
551    if (op->getLocalBounds(localBounds)) {
552        bool rejected = quickRejectRect(localBounds.left, localBounds.top,
553                localBounds.right, localBounds.bottom);
554        op->setQuickRejected(rejected);
555    }
556
557    mDisplayListData->hasDrawOps = true;
558    return flushAndAddOp(op);
559}
560
561size_t DisplayListCanvas::addRenderNodeOp(DrawRenderNodeOp* op) {
562    int opIndex = addDrawOp(op);
563    int childIndex = mDisplayListData->addChild(op);
564
565    // update the chunk's child indices
566    DisplayListData::Chunk& chunk = mDisplayListData->chunks.editTop();
567    chunk.endChildIndex = childIndex + 1;
568
569    if (op->renderNode()->stagingProperties().isProjectionReceiver()) {
570        // use staging property, since recording on UI thread
571        mDisplayListData->projectionReceiveIndex = opIndex;
572    }
573    return opIndex;
574}
575
576void DisplayListCanvas::refBitmapsInShader(const SkShader* shader) {
577    if (!shader) return;
578
579    // If this paint has an SkShader that has an SkBitmap add
580    // it to the bitmap pile
581    SkBitmap bitmap;
582    SkShader::TileMode xy[2];
583    if (shader->asABitmap(&bitmap, nullptr, xy) == SkShader::kDefault_BitmapType) {
584        refBitmap(bitmap);
585        return;
586    }
587    SkShader::ComposeRec rec;
588    if (shader->asACompose(&rec)) {
589        refBitmapsInShader(rec.fShaderA);
590        refBitmapsInShader(rec.fShaderB);
591        return;
592    }
593}
594
595}; // namespace uirenderer
596}; // namespace android
597