| /* |
| * Copyright (C) 2016 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 "SkiaRecordingCanvas.h" |
| |
| #include "Layer.h" |
| #include "RenderNode.h" |
| #include "LayerDrawable.h" |
| #include "NinePatchUtils.h" |
| #include "pipeline/skia/AnimatedDrawables.h" |
| #include <SkImagePriv.h> |
| |
| namespace android { |
| namespace uirenderer { |
| namespace skiapipeline { |
| |
| // ---------------------------------------------------------------------------- |
| // Recording Canvas Setup |
| // ---------------------------------------------------------------------------- |
| |
| void SkiaRecordingCanvas::initDisplayList(uirenderer::RenderNode* renderNode, int width, |
| int height) { |
| mCurrentBarrier = nullptr; |
| SkASSERT(mDisplayList.get() == nullptr); |
| |
| if (renderNode) { |
| mDisplayList = renderNode->detachAvailableList(); |
| } |
| if (!mDisplayList) { |
| mDisplayList.reset(new SkiaDisplayList()); |
| } |
| |
| mDisplayList->attachRecorder(&mRecorder, SkIRect::MakeWH(width, height)); |
| SkiaCanvas::reset(&mRecorder); |
| } |
| |
| uirenderer::DisplayList* SkiaRecordingCanvas::finishRecording() { |
| // close any existing chunks if necessary |
| insertReorderBarrier(false); |
| mRecorder.restoreToCount(1); |
| return mDisplayList.release(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Recording Canvas draw operations: View System |
| // ---------------------------------------------------------------------------- |
| |
| void SkiaRecordingCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, |
| uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, |
| uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, |
| uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { |
| drawDrawable(mDisplayList->allocateDrawable<AnimatedRoundRect>(left, top, right, bottom, |
| rx, ry, paint)); |
| } |
| |
| void SkiaRecordingCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, |
| uirenderer::CanvasPropertyPrimitive* y, uirenderer::CanvasPropertyPrimitive* radius, |
| uirenderer::CanvasPropertyPaint* paint) { |
| drawDrawable(mDisplayList->allocateDrawable<AnimatedCircle>(x, y, radius, paint)); |
| } |
| |
| void SkiaRecordingCanvas::insertReorderBarrier(bool enableReorder) { |
| if (nullptr != mCurrentBarrier) { |
| // finish off the existing chunk |
| SkDrawable* drawable = |
| mDisplayList->allocateDrawable<EndReorderBarrierDrawable>( |
| mCurrentBarrier); |
| mCurrentBarrier = nullptr; |
| drawDrawable(drawable); |
| } |
| if (enableReorder) { |
| mCurrentBarrier = (StartReorderBarrierDrawable*) |
| mDisplayList->allocateDrawable<StartReorderBarrierDrawable>( |
| mDisplayList.get()); |
| drawDrawable(mCurrentBarrier); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { |
| if (layerUpdater != nullptr && layerUpdater->backingLayer() != nullptr) { |
| uirenderer::Layer* layer = layerUpdater->backingLayer(); |
| sk_sp<SkDrawable> drawable(new LayerDrawable(layer)); |
| drawDrawable(drawable.get()); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { |
| // record the child node |
| mDisplayList->mChildNodes.emplace_back(renderNode, asSkCanvas(), true, mCurrentBarrier); |
| auto& renderNodeDrawable = mDisplayList->mChildNodes.back(); |
| drawDrawable(&renderNodeDrawable); |
| |
| // use staging property, since recording on UI thread |
| if (renderNode->stagingProperties().isProjectionReceiver()) { |
| mDisplayList->mProjectionReceiver = &renderNodeDrawable; |
| // set projectionReceiveIndex so that RenderNode.hasProjectionReceiver returns true |
| mDisplayList->projectionReceiveIndex = mDisplayList->mChildNodes.size() - 1; |
| } |
| } |
| |
| void SkiaRecordingCanvas::callDrawGLFunction(Functor* functor, |
| uirenderer::GlFunctorLifecycleListener* listener) { |
| mDisplayList->mChildFunctors.emplace_back(functor, listener, asSkCanvas()); |
| drawDrawable(&mDisplayList->mChildFunctors.back()); |
| } |
| |
| class VectorDrawable : public SkDrawable { |
| public: |
| VectorDrawable(VectorDrawableRoot* tree) : mRoot(tree) {} |
| |
| protected: |
| virtual SkRect onGetBounds() override { |
| return SkRect::MakeLargest(); |
| } |
| virtual void onDraw(SkCanvas* canvas) override { |
| Bitmap& hwuiBitmap = mRoot->getBitmapUpdateIfDirty(); |
| SkBitmap bitmap; |
| hwuiBitmap.getSkBitmap(&bitmap); |
| SkPaint* paint = mRoot->getPaint(); |
| canvas->drawBitmapRect(bitmap, mRoot->mutateProperties()->getBounds(), paint); |
| /* |
| * TODO we can draw this directly but need to address the following... |
| * |
| * 1) Add drawDirect(SkCanvas*) to VectorDrawableRoot |
| * 2) fix VectorDrawable.cpp's Path::draw to not make a temporary path |
| * so that we don't break caching |
| * 3) figure out how to set path's as volatile during animation |
| * 4) if mRoot->getPaint() != null either promote to layer (during |
| * animation) or cache in SkSurface (for static content) |
| * |
| */ |
| } |
| |
| private: |
| sp<VectorDrawableRoot> mRoot; |
| }; |
| |
| void SkiaRecordingCanvas::drawVectorDrawable(VectorDrawableRoot* tree) { |
| drawDrawable(mDisplayList->allocateDrawable<VectorDrawable>(tree)); |
| mDisplayList->mVectorDrawables.push_back(tree); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Recording Canvas draw operations: Bitmaps |
| // ---------------------------------------------------------------------------- |
| |
| inline static const SkPaint* nonAAPaint(const SkPaint* origPaint, SkPaint* tmpPaint) { |
| if (origPaint && origPaint->isAntiAlias()) { |
| *tmpPaint = *origPaint; |
| tmpPaint->setAntiAlias(false); |
| return tmpPaint; |
| } else { |
| return origPaint; |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { |
| sk_sp<SkImage> image = bitmap.makeImage(nullptr); |
| if (!bitmap.isImmutable()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| SkPaint tmpPaint; |
| mRecorder.drawImage(image, left, top, nonAAPaint(paint, &tmpPaint)); |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, |
| const SkPaint* paint) { |
| SkAutoCanvasRestore acr(&mRecorder, true); |
| concat(matrix); |
| sk_sp<SkImage> image = hwuiBitmap.makeImage(nullptr); |
| if (!hwuiBitmap.isImmutable()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| SkPaint tmpPaint; |
| mRecorder.drawImage(image, 0, 0, nonAAPaint(paint, &tmpPaint)); |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, |
| float srcRight, float srcBottom, float dstLeft, float dstTop, float dstRight, |
| float dstBottom, const SkPaint* paint) { |
| SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); |
| SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); |
| sk_sp<SkImage> image = hwuiBitmap.makeImage(nullptr); |
| if (!hwuiBitmap.isImmutable()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| SkPaint tmpPaint; |
| mRecorder.drawImageRect(image, srcRect, dstRect, nonAAPaint(paint, &tmpPaint)); |
| } |
| |
| void SkiaRecordingCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, |
| float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { |
| SkCanvas::Lattice lattice; |
| NinePatchUtils::SetLatticeDivs(&lattice, chunk, hwuiBitmap.width(), hwuiBitmap.height()); |
| |
| lattice.fFlags = nullptr; |
| int numFlags = 0; |
| if (chunk.numColors > 0 && chunk.numColors == NinePatchUtils::NumDistinctRects(lattice)) { |
| // We can expect the framework to give us a color for every distinct rect. |
| // Skia requires placeholder flags for degenerate rects. |
| numFlags = (lattice.fXCount + 1) * (lattice.fYCount + 1); |
| } |
| |
| SkAutoSTMalloc<25, SkCanvas::Lattice::Flags> flags(numFlags); |
| if (numFlags > 0) { |
| NinePatchUtils::SetLatticeFlags(&lattice, flags.get(), numFlags, chunk); |
| } |
| |
| lattice.fBounds = nullptr; |
| SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); |
| sk_sp<SkImage> image = hwuiBitmap.makeImage(nullptr); |
| if (!hwuiBitmap.isImmutable()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| |
| SkPaint tmpPaint; |
| mRecorder.drawImageLattice(image.get(), lattice, dst, nonAAPaint(paint, &tmpPaint)); |
| } |
| |
| }; // namespace skiapipeline |
| }; // namespace uirenderer |
| }; // namespace android |