| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "RecordingCanvas.h" |
| |
| #include "DeferredLayerUpdater.h" |
| #include "RecordedOp.h" |
| #include "RenderNode.h" |
| #include "VectorDrawable.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| RecordingCanvas::RecordingCanvas(size_t width, size_t height) |
| : mState(*this) |
| , mResourceCache(ResourceCache::getInstance()) { |
| resetRecording(width, height); |
| } |
| |
| RecordingCanvas::~RecordingCanvas() { |
| LOG_ALWAYS_FATAL_IF(mDisplayList, |
| "Destroyed a RecordingCanvas during a record!"); |
| } |
| |
| void RecordingCanvas::resetRecording(int width, int height) { |
| LOG_ALWAYS_FATAL_IF(mDisplayList, |
| "prepareDirty called a second time during a recording!"); |
| mDisplayList = new DisplayList(); |
| |
| mState.initializeRecordingSaveStack(width, height); |
| |
| mDeferredBarrierType = DeferredBarrierType::InOrder; |
| mState.setDirtyClip(false); |
| } |
| |
| DisplayList* RecordingCanvas::finishRecording() { |
| restoreToCount(1); |
| mPaintMap.clear(); |
| mRegionMap.clear(); |
| mPathMap.clear(); |
| DisplayList* displayList = mDisplayList; |
| mDisplayList = nullptr; |
| mSkiaCanvasProxy.reset(nullptr); |
| return displayList; |
| } |
| |
| void RecordingCanvas::insertReorderBarrier(bool enableReorder) { |
| if (enableReorder) { |
| mDeferredBarrierType = DeferredBarrierType::OutOfOrder; |
| mDeferredBarrierClip = getRecordedClip(); |
| } else { |
| mDeferredBarrierType = DeferredBarrierType::InOrder; |
| mDeferredBarrierClip = nullptr; |
| } |
| } |
| |
| SkCanvas* RecordingCanvas::asSkCanvas() { |
| LOG_ALWAYS_FATAL_IF(!mDisplayList, |
| "attempting to get an SkCanvas when we are not recording!"); |
| if (!mSkiaCanvasProxy) { |
| mSkiaCanvasProxy.reset(new SkiaCanvasProxy(this)); |
| } |
| |
| // SkCanvas instances default to identity transform, but should inherit |
| // the state of this Canvas; if this code was in the SkiaCanvasProxy |
| // constructor, we couldn't cache mSkiaCanvasProxy. |
| SkMatrix parentTransform; |
| getMatrix(&parentTransform); |
| mSkiaCanvasProxy.get()->setMatrix(parentTransform); |
| |
| return mSkiaCanvasProxy.get(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // CanvasStateClient implementation |
| // ---------------------------------------------------------------------------- |
| |
| void RecordingCanvas::onViewportInitialized() { |
| } |
| |
| void RecordingCanvas::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { |
| if (removed.flags & Snapshot::kFlagIsFboLayer) { |
| addOp(alloc().create_trivial<EndLayerOp>()); |
| } else if (removed.flags & Snapshot::kFlagIsLayer) { |
| addOp(alloc().create_trivial<EndUnclippedLayerOp>()); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // android/graphics/Canvas state operations |
| // ---------------------------------------------------------------------------- |
| // Save (layer) |
| int RecordingCanvas::save(SaveFlags::Flags flags) { |
| return mState.save((int) flags); |
| } |
| |
| void RecordingCanvas::RecordingCanvas::restore() { |
| mState.restore(); |
| } |
| |
| void RecordingCanvas::restoreToCount(int saveCount) { |
| mState.restoreToCount(saveCount); |
| } |
| |
| int RecordingCanvas::saveLayer(float left, float top, float right, float bottom, |
| const SkPaint* paint, SaveFlags::Flags flags) { |
| // force matrix/clip isolation for layer |
| flags |= SaveFlags::MatrixClip; |
| bool clippedLayer = flags & SaveFlags::ClipToLayer; |
| |
| const Snapshot& previous = *mState.currentSnapshot(); |
| |
| // initialize the snapshot as though it almost represents an FBO layer so deferred draw |
| // operations will be able to store and restore the current clip and transform info, and |
| // quick rejection will be correct (for display lists) |
| |
| Rect unmappedBounds(left, top, right, bottom); |
| unmappedBounds.roundOut(); |
| |
| // determine clipped bounds relative to previous viewport. |
| Rect visibleBounds = unmappedBounds; |
| previous.transform->mapRect(visibleBounds); |
| |
| if (CC_UNLIKELY(!clippedLayer |
| && previous.transform->rectToRect() |
| && visibleBounds.contains(previous.getRenderTargetClip()))) { |
| // unlikely case where an unclipped savelayer is recorded with a clip it can use, |
| // as none of its unaffected/unclipped area is visible |
| clippedLayer = true; |
| flags |= SaveFlags::ClipToLayer; |
| } |
| |
| visibleBounds.doIntersect(previous.getRenderTargetClip()); |
| visibleBounds.snapToPixelBoundaries(); |
| visibleBounds.doIntersect(Rect(previous.getViewportWidth(), previous.getViewportHeight())); |
| |
| // Map visible bounds back to layer space, and intersect with parameter bounds |
| Rect layerBounds = visibleBounds; |
| Matrix4 inverse; |
| inverse.loadInverse(*previous.transform); |
| inverse.mapRect(layerBounds); |
| layerBounds.doIntersect(unmappedBounds); |
| |
| int saveValue = mState.save((int) flags); |
| Snapshot& snapshot = *mState.writableSnapshot(); |
| |
| // layerBounds is in original bounds space, but clipped by current recording clip |
| if (layerBounds.isEmpty() || unmappedBounds.isEmpty()) { |
| // Don't bother recording layer, since it's been rejected |
| if (CC_LIKELY(clippedLayer)) { |
| snapshot.resetClip(0, 0, 0, 0); |
| } |
| return saveValue; |
| } |
| |
| if (CC_LIKELY(clippedLayer)) { |
| auto previousClip = getRecordedClip(); // note: done before new snapshot's clip has changed |
| |
| snapshot.flags |= Snapshot::kFlagIsLayer | Snapshot::kFlagIsFboLayer; |
| snapshot.initializeViewport(unmappedBounds.getWidth(), unmappedBounds.getHeight()); |
| snapshot.transform->loadTranslate(-unmappedBounds.left, -unmappedBounds.top, 0.0f); |
| |
| Rect clip = layerBounds; |
| clip.translate(-unmappedBounds.left, -unmappedBounds.top); |
| snapshot.resetClip(clip.left, clip.top, clip.right, clip.bottom); |
| snapshot.roundRectClipState = nullptr; |
| |
| addOp(alloc().create_trivial<BeginLayerOp>( |
| unmappedBounds, |
| *previous.transform, // transform to *draw* with |
| previousClip, // clip to *draw* with |
| refPaint(paint))); |
| } else { |
| snapshot.flags |= Snapshot::kFlagIsLayer; |
| |
| addOp(alloc().create_trivial<BeginUnclippedLayerOp>( |
| unmappedBounds, |
| *mState.currentSnapshot()->transform, |
| getRecordedClip(), |
| refPaint(paint))); |
| } |
| |
| return saveValue; |
| } |
| |
| // Matrix |
| void RecordingCanvas::rotate(float degrees) { |
| if (degrees == 0) return; |
| |
| mState.rotate(degrees); |
| } |
| |
| void RecordingCanvas::scale(float sx, float sy) { |
| if (sx == 1 && sy == 1) return; |
| |
| mState.scale(sx, sy); |
| } |
| |
| void RecordingCanvas::skew(float sx, float sy) { |
| mState.skew(sx, sy); |
| } |
| |
| void RecordingCanvas::translate(float dx, float dy) { |
| if (dx == 0 && dy == 0) return; |
| |
| mState.translate(dx, dy, 0); |
| } |
| |
| // Clip |
| bool RecordingCanvas::getClipBounds(SkRect* outRect) const { |
| *outRect = mState.getLocalClipBounds().toSkRect(); |
| return !(outRect->isEmpty()); |
| } |
| bool RecordingCanvas::quickRejectRect(float left, float top, float right, float bottom) const { |
| return mState.quickRejectConservative(left, top, right, bottom); |
| } |
| bool RecordingCanvas::quickRejectPath(const SkPath& path) const { |
| SkRect bounds = path.getBounds(); |
| return mState.quickRejectConservative(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom); |
| } |
| bool RecordingCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { |
| return mState.clipRect(left, top, right, bottom, op); |
| } |
| bool RecordingCanvas::clipPath(const SkPath* path, SkRegion::Op op) { |
| return mState.clipPath(path, op); |
| } |
| bool RecordingCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { |
| return mState.clipRegion(region, op); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // android/graphics/Canvas draw operations |
| // ---------------------------------------------------------------------------- |
| void RecordingCanvas::drawColor(int color, SkXfermode::Mode mode) { |
| addOp(alloc().create_trivial<ColorOp>( |
| getRecordedClip(), |
| color, |
| mode)); |
| } |
| |
| void RecordingCanvas::drawPaint(const SkPaint& paint) { |
| SkRect bounds; |
| if (getClipBounds(&bounds)) { |
| drawRect(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, paint); |
| } |
| } |
| |
| static Rect calcBoundsOfPoints(const float* points, int floatCount) { |
| Rect unmappedBounds(points[0], points[1], points[0], points[1]); |
| for (int i = 2; i < floatCount; i += 2) { |
| unmappedBounds.expandToCover(points[i], points[i + 1]); |
| } |
| return unmappedBounds; |
| } |
| |
| // Geometry |
| void RecordingCanvas::drawPoints(const float* points, int floatCount, const SkPaint& paint) { |
| if (CC_UNLIKELY(floatCount < 2 || PaintUtils::paintWillNotDraw(paint))) return; |
| floatCount &= ~0x1; // round down to nearest two |
| |
| addOp(alloc().create_trivial<PointsOp>( |
| calcBoundsOfPoints(points, floatCount), |
| *mState.currentSnapshot()->transform, |
| getRecordedClip(), |
| refPaint(&paint), refBuffer<float>(points, floatCount), floatCount)); |
| } |
| |
| void RecordingCanvas::drawLines(const float* points, int floatCount, const SkPaint& paint) { |
| if (CC_UNLIKELY(floatCount < 4 || PaintUtils::paintWillNotDraw(paint))) return; |
| floatCount &= ~0x3; // round down to nearest four |
| |
| addOp(alloc().create_trivial<LinesOp>( |
| calcBoundsOfPoints(points, floatCount), |
| *mState.currentSnapshot()->transform, |
| getRecordedClip(), |
| refPaint(&paint), refBuffer<float>(points, floatCount), floatCount)); |
| } |
| |
| void RecordingCanvas::drawRect(float left, float top, float right, float bottom, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| addOp(alloc().create_trivial<RectOp>( |
| Rect(left, top, right, bottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint))); |
| } |
| |
| void RecordingCanvas::drawSimpleRects(const float* rects, int vertexCount, const SkPaint* paint) { |
| if (rects == nullptr) return; |
| |
| Vertex* rectData = (Vertex*) mDisplayList->allocator.create_trivial_array<Vertex>(vertexCount); |
| Vertex* vertex = rectData; |
| |
| float left = FLT_MAX; |
| float top = FLT_MAX; |
| float right = FLT_MIN; |
| float bottom = FLT_MIN; |
| for (int index = 0; index < vertexCount; index += 4) { |
| float l = rects[index + 0]; |
| float t = rects[index + 1]; |
| float r = rects[index + 2]; |
| float b = rects[index + 3]; |
| |
| Vertex::set(vertex++, l, t); |
| Vertex::set(vertex++, r, t); |
| Vertex::set(vertex++, l, b); |
| Vertex::set(vertex++, r, b); |
| |
| left = std::min(left, l); |
| top = std::min(top, t); |
| right = std::max(right, r); |
| bottom = std::max(bottom, b); |
| } |
| addOp(alloc().create_trivial<SimpleRectsOp>( |
| Rect(left, top, right, bottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(paint), rectData, vertexCount)); |
| } |
| |
| void RecordingCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| if (paint.getStyle() == SkPaint::kFill_Style |
| && (!paint.isAntiAlias() || mState.currentTransform()->isSimple())) { |
| int count = 0; |
| Vector<float> rects; |
| SkRegion::Iterator it(region); |
| while (!it.done()) { |
| const SkIRect& r = it.rect(); |
| rects.push(r.fLeft); |
| rects.push(r.fTop); |
| rects.push(r.fRight); |
| rects.push(r.fBottom); |
| count += 4; |
| it.next(); |
| } |
| drawSimpleRects(rects.array(), count, &paint); |
| } else { |
| SkRegion::Iterator it(region); |
| while (!it.done()) { |
| const SkIRect& r = it.rect(); |
| drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); |
| it.next(); |
| } |
| } |
| } |
| |
| void RecordingCanvas::drawRoundRect(float left, float top, float right, float bottom, |
| float rx, float ry, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| if (CC_LIKELY(MathUtils::isPositive(rx) || MathUtils::isPositive(ry))) { |
| addOp(alloc().create_trivial<RoundRectOp>( |
| Rect(left, top, right, bottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint), rx, ry)); |
| } else { |
| drawRect(left, top, right, bottom, paint); |
| } |
| } |
| |
| void RecordingCanvas::drawRoundRect( |
| CanvasPropertyPrimitive* left, CanvasPropertyPrimitive* top, |
| CanvasPropertyPrimitive* right, CanvasPropertyPrimitive* bottom, |
| CanvasPropertyPrimitive* rx, CanvasPropertyPrimitive* ry, |
| CanvasPropertyPaint* paint) { |
| mDisplayList->ref(left); |
| mDisplayList->ref(top); |
| mDisplayList->ref(right); |
| mDisplayList->ref(bottom); |
| mDisplayList->ref(rx); |
| mDisplayList->ref(ry); |
| mDisplayList->ref(paint); |
| refBitmapsInShader(paint->value.getShader()); |
| addOp(alloc().create_trivial<RoundRectPropsOp>( |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| &paint->value, |
| &left->value, &top->value, &right->value, &bottom->value, |
| &rx->value, &ry->value)); |
| } |
| |
| void RecordingCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { |
| // TODO: move to Canvas.h |
| if (CC_UNLIKELY(radius <= 0 || PaintUtils::paintWillNotDraw(paint))) return; |
| |
| drawOval(x - radius, y - radius, x + radius, y + radius, paint); |
| } |
| |
| void RecordingCanvas::drawCircle( |
| CanvasPropertyPrimitive* x, CanvasPropertyPrimitive* y, |
| CanvasPropertyPrimitive* radius, CanvasPropertyPaint* paint) { |
| mDisplayList->ref(x); |
| mDisplayList->ref(y); |
| mDisplayList->ref(radius); |
| mDisplayList->ref(paint); |
| refBitmapsInShader(paint->value.getShader()); |
| addOp(alloc().create_trivial<CirclePropsOp>( |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| &paint->value, |
| &x->value, &y->value, &radius->value)); |
| } |
| |
| void RecordingCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| addOp(alloc().create_trivial<OvalOp>( |
| Rect(left, top, right, bottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint))); |
| } |
| |
| void RecordingCanvas::drawArc(float left, float top, float right, float bottom, |
| float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| if (fabs(sweepAngle) >= 360.0f) { |
| drawOval(left, top, right, bottom, paint); |
| } else { |
| addOp(alloc().create_trivial<ArcOp>( |
| Rect(left, top, right, bottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint), |
| startAngle, sweepAngle, useCenter)); |
| } |
| } |
| |
| void RecordingCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
| if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; |
| |
| addOp(alloc().create_trivial<PathOp>( |
| Rect(path.getBounds()), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint), refPath(&path))); |
| } |
| |
| void RecordingCanvas::drawVectorDrawable(VectorDrawableRoot* tree) { |
| mDisplayList->ref(tree); |
| mDisplayList->vectorDrawables.push_back(tree); |
| addOp(alloc().create_trivial<VectorDrawableOp>( |
| tree, |
| Rect(tree->stagingProperties()->getBounds()), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip())); |
| } |
| |
| // Bitmap-based |
| void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, float left, float top, const SkPaint* paint) { |
| save(SaveFlags::Matrix); |
| translate(left, top); |
| drawBitmap(&bitmap, paint); |
| restore(); |
| } |
| |
| void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix, |
| const SkPaint* paint) { |
| if (matrix.isIdentity()) { |
| drawBitmap(&bitmap, paint); |
| } else if (!(matrix.getType() & ~(SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask)) |
| && MathUtils::isPositive(matrix.getScaleX()) |
| && MathUtils::isPositive(matrix.getScaleY())) { |
| // SkMatrix::isScaleTranslate() not available in L |
| SkRect src; |
| SkRect dst; |
| bitmap.getBounds(&src); |
| matrix.mapRect(&dst, src); |
| drawBitmap(bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom, |
| dst.fLeft, dst.fTop, dst.fRight, dst.fBottom, paint); |
| } else { |
| save(SaveFlags::Matrix); |
| concat(matrix); |
| drawBitmap(&bitmap, paint); |
| restore(); |
| } |
| } |
| |
| void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop, |
| float srcRight, float srcBottom, float dstLeft, float dstTop, |
| float dstRight, float dstBottom, const SkPaint* paint) { |
| if (srcLeft == 0 && srcTop == 0 |
| && srcRight == bitmap.width() |
| && srcBottom == bitmap.height() |
| && (srcBottom - srcTop == dstBottom - dstTop) |
| && (srcRight - srcLeft == dstRight - dstLeft)) { |
| // transform simple rect to rect drawing case into position bitmap ops, since they merge |
| save(SaveFlags::Matrix); |
| translate(dstLeft, dstTop); |
| drawBitmap(&bitmap, paint); |
| restore(); |
| } else { |
| addOp(alloc().create_trivial<BitmapRectOp>( |
| Rect(dstLeft, dstTop, dstRight, dstBottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(paint), refBitmap(bitmap), |
| Rect(srcLeft, srcTop, srcRight, srcBottom))); |
| } |
| } |
| |
| void RecordingCanvas::drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight, |
| const float* vertices, const int* colors, const SkPaint* paint) { |
| int vertexCount = (meshWidth + 1) * (meshHeight + 1); |
| addOp(alloc().create_trivial<BitmapMeshOp>( |
| calcBoundsOfPoints(vertices, vertexCount * 2), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(paint), refBitmap(bitmap), meshWidth, meshHeight, |
| refBuffer<float>(vertices, vertexCount * 2), // 2 floats per vertex |
| refBuffer<int>(colors, vertexCount))); // 1 color per vertex |
| } |
| |
| void RecordingCanvas::drawNinePatch(const SkBitmap& bitmap, const android::Res_png_9patch& patch, |
| float dstLeft, float dstTop, float dstRight, float dstBottom, |
| const SkPaint* paint) { |
| addOp(alloc().create_trivial<PatchOp>( |
| Rect(dstLeft, dstTop, dstRight, dstBottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(paint), refBitmap(bitmap), refPatch(&patch))); |
| } |
| |
| // Text |
| void RecordingCanvas::drawGlyphs(const uint16_t* glyphs, const float* positions, int glyphCount, |
| const SkPaint& paint, float x, float y, float boundsLeft, float boundsTop, |
| float boundsRight, float boundsBottom, float totalAdvance) { |
| if (!glyphs || !positions || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; |
| glyphs = refBuffer<glyph_t>(glyphs, glyphCount); |
| positions = refBuffer<float>(positions, glyphCount * 2); |
| |
| // TODO: either must account for text shadow in bounds, or record separate ops for text shadows |
| addOp(alloc().create_trivial<TextOp>( |
| Rect(boundsLeft, boundsTop, boundsRight, boundsBottom), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint), glyphs, positions, glyphCount, x, y)); |
| drawTextDecorations(x, y, totalAdvance, paint); |
| } |
| |
| void RecordingCanvas::drawGlyphsOnPath(const uint16_t* glyphs, int glyphCount, const SkPath& path, |
| float hOffset, float vOffset, const SkPaint& paint) { |
| if (!glyphs || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; |
| glyphs = refBuffer<glyph_t>(glyphs, glyphCount); |
| addOp(alloc().create_trivial<TextOnPathOp>( |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(&paint), glyphs, glyphCount, refPath(&path), hOffset, vOffset)); |
| } |
| |
| void RecordingCanvas::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { |
| addOp(alloc().create_trivial<BitmapOp>( |
| Rect(bitmap->width(), bitmap->height()), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| refPaint(paint), refBitmap(*bitmap))); |
| } |
| |
| void RecordingCanvas::drawRenderNode(RenderNode* renderNode) { |
| auto&& stagingProps = renderNode->stagingProperties(); |
| RenderNodeOp* op = alloc().create_trivial<RenderNodeOp>( |
| Rect(stagingProps.getWidth(), stagingProps.getHeight()), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| renderNode); |
| int opIndex = addOp(op); |
| if (CC_LIKELY(opIndex >= 0)) { |
| int childIndex = mDisplayList->addChild(op); |
| |
| // update the chunk's child indices |
| DisplayList::Chunk& chunk = mDisplayList->chunks.back(); |
| chunk.endChildIndex = childIndex + 1; |
| |
| if (renderNode->stagingProperties().isProjectionReceiver()) { |
| // use staging property, since recording on UI thread |
| mDisplayList->projectionReceiveIndex = opIndex; |
| } |
| } |
| } |
| |
| void RecordingCanvas::drawLayer(DeferredLayerUpdater* layerHandle) { |
| // We ref the DeferredLayerUpdater due to its thread-safe ref-counting semantics. |
| mDisplayList->ref(layerHandle); |
| |
| // Note that the backing layer has *not* yet been updated, so don't trust |
| // its width, height, transform, etc...! |
| addOp(alloc().create_trivial<TextureLayerOp>( |
| Rect(layerHandle->getWidth(), layerHandle->getHeight()), |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| layerHandle->backingLayer())); |
| } |
| |
| void RecordingCanvas::callDrawGLFunction(Functor* functor, |
| GlFunctorLifecycleListener* listener) { |
| mDisplayList->functors.push_back({functor, listener}); |
| mDisplayList->ref(listener); |
| addOp(alloc().create_trivial<FunctorOp>( |
| *(mState.currentSnapshot()->transform), |
| getRecordedClip(), |
| functor)); |
| } |
| |
| size_t RecordingCanvas::addOp(RecordedOp* op) { |
| // skip op with empty clip |
| if (op->localClip && op->localClip->rect.isEmpty()) { |
| // NOTE: this rejection happens after op construction/content ref-ing, so content ref'd |
| // and held by renderthread isn't affected by clip rejection. |
| // Could rewind alloc here if desired, but callers would have to not touch op afterwards. |
| return -1; |
| } |
| |
| int insertIndex = mDisplayList->ops.size(); |
| mDisplayList->ops.push_back(op); |
| if (mDeferredBarrierType != DeferredBarrierType::None) { |
| // op is first in new chunk |
| mDisplayList->chunks.emplace_back(); |
| DisplayList::Chunk& newChunk = mDisplayList->chunks.back(); |
| newChunk.beginOpIndex = insertIndex; |
| newChunk.endOpIndex = insertIndex + 1; |
| newChunk.reorderChildren = (mDeferredBarrierType == DeferredBarrierType::OutOfOrder); |
| newChunk.reorderClip = mDeferredBarrierClip; |
| |
| int nextChildIndex = mDisplayList->children.size(); |
| newChunk.beginChildIndex = newChunk.endChildIndex = nextChildIndex; |
| mDeferredBarrierType = DeferredBarrierType::None; |
| } else { |
| // standard case - append to existing chunk |
| mDisplayList->chunks.back().endOpIndex = insertIndex + 1; |
| } |
| return insertIndex; |
| } |
| |
| void RecordingCanvas::refBitmapsInShader(const SkShader* shader) { |
| if (!shader) return; |
| |
| // If this paint has an SkShader that has an SkBitmap add |
| // it to the bitmap pile |
| SkBitmap bitmap; |
| SkShader::TileMode xy[2]; |
| if (shader->isABitmap(&bitmap, nullptr, xy)) { |
| refBitmap(bitmap); |
| return; |
| } |
| SkShader::ComposeRec rec; |
| if (shader->asACompose(&rec)) { |
| refBitmapsInShader(rec.fShaderA); |
| refBitmapsInShader(rec.fShaderB); |
| return; |
| } |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |
