| /* | |
| * 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" | |
| #include "hwui/MinikinUtils.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, RenderNode* node) { | |
| LOG_ALWAYS_FATAL_IF(mDisplayList, | |
| "prepareDirty called a second time during a recording!"); | |
| mDisplayList = new DisplayList(); | |
| mState.initializeRecordingSaveStack(width, height); | |
| mDeferredBarrierType = DeferredBarrierType::InOrder; | |
| } | |
| 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; | |
| if (CC_LIKELY(!layerBounds.isEmpty())) { | |
| // if non-empty, can safely map by the inverse transform | |
| 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()) { | |
| if (CC_LIKELY(clippedLayer)) { | |
| auto previousClip = getRecordedClip(); // capture before new snapshot clip has changed | |
| if (addOp(alloc().create_trivial<BeginLayerOp>( | |
| unmappedBounds, | |
| *previous.transform, // transform to *draw* with | |
| previousClip, // clip to *draw* with | |
| refPaint(paint))) >= 0) { | |
| 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; | |
| return saveValue; | |
| } | |
| } else { | |
| if (addOp(alloc().create_trivial<BeginUnclippedLayerOp>( | |
| unmappedBounds, | |
| *mState.currentSnapshot()->transform, | |
| getRecordedClip(), | |
| refPaint(paint))) >= 0) { | |
| snapshot.flags |= Snapshot::kFlagIsLayer; | |
| return saveValue; | |
| } | |
| } | |
| } | |
| // Layer not needed, so skip recording it... | |
| if (CC_LIKELY(clippedLayer)) { | |
| // ... and set empty clip to reject inner content, if possible | |
| snapshot.resetClip(0, 0, 0, 0); | |
| } | |
| 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, SkBlendMode 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(Bitmap& bitmap, float left, float top, const SkPaint* paint) { | |
| save(SaveFlags::Matrix); | |
| translate(left, top); | |
| drawBitmap(bitmap, paint); | |
| restore(); | |
| } | |
| void RecordingCanvas::drawBitmap(Bitmap& 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(Bitmap& 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(Bitmap& 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(Bitmap& 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::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, | |
| const SkPaint& paint, const SkPath& path, size_t start, size_t end) { | |
| uint16_t glyphs[1]; | |
| for (size_t i = start; i < end; i++) { | |
| glyphs[0] = layout.getGlyphId(i); | |
| float x = hOffset + layout.getX(i); | |
| float y = vOffset + layout.getY(i); | |
| if (PaintUtils::paintWillNotDrawText(paint)) return; | |
| const uint16_t* tempGlyphs = refBuffer<glyph_t>(glyphs, 1); | |
| addOp(alloc().create_trivial<TextOnPathOp>( | |
| *(mState.currentSnapshot()->transform), | |
| getRecordedClip(), | |
| refPaint(&paint), tempGlyphs, 1, refPath(&path), x, y)); | |
| } | |
| } | |
| void RecordingCanvas::drawBitmap(Bitmap& 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)); | |
| } | |
| int 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)) { | |
| // TODO: create hwui-owned BitmapShader. | |
| Bitmap* hwuiBitmap = static_cast<Bitmap*>(bitmap.pixelRef()); | |
| refBitmap(*hwuiBitmap); | |
| return; | |
| } | |
| SkShader::ComposeRec rec; | |
| if (shader->asACompose(&rec)) { | |
| refBitmapsInShader(rec.fShaderA); | |
| refBitmapsInShader(rec.fShaderB); | |
| return; | |
| } | |
| } | |
| }; // namespace uirenderer | |
| }; // namespace android |