| /* |
| * 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 "hwui/Paint.h" |
| #include <SkImagePriv.h> |
| #include "CanvasTransform.h" |
| #ifdef __ANDROID__ // Layoutlib does not support Layers |
| #include "Layer.h" |
| #include "LayerDrawable.h" |
| #endif |
| #include "NinePatchUtils.h" |
| #include "RenderNode.h" |
| #include "pipeline/skia/AnimatedDrawables.h" |
| #ifdef __ANDROID__ // Layoutlib does not support GL, Vulcan etc. |
| #include "pipeline/skia/GLFunctorDrawable.h" |
| #include "pipeline/skia/VkFunctorDrawable.h" |
| #include "pipeline/skia/VkInteropFunctorDrawable.h" |
| #endif |
| |
| 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) { |
| // Destructor of drawables created with allocateDrawable, will be invoked by ~LinearAllocator. |
| 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 (mCurrentBarrier && enableReorder) { |
| // Already in a re-order section, nothing to do |
| return; |
| } |
| |
| if (nullptr != mCurrentBarrier) { |
| // finish off the existing chunk |
| SkDrawable* drawable = |
| mDisplayList->allocateDrawable<EndReorderBarrierDrawable>(mCurrentBarrier); |
| mCurrentBarrier = nullptr; |
| drawDrawable(drawable); |
| } |
| if (enableReorder) { |
| mCurrentBarrier = |
| mDisplayList->allocateDrawable<StartReorderBarrierDrawable>(mDisplayList.get()); |
| drawDrawable(mCurrentBarrier); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { |
| #ifdef __ANDROID__ // Layoutlib does not support Layers |
| if (layerUpdater != nullptr) { |
| // Create a ref-counted drawable, which is kept alive by sk_sp in SkLiteDL. |
| sk_sp<SkDrawable> drawable(new LayerDrawable(layerUpdater)); |
| drawDrawable(drawable.get()); |
| } |
| #endif |
| } |
| |
| |
| void SkiaRecordingCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { |
| // Record the child node. Drawable dtor will be invoked when mChildNodes deque is cleared. |
| mDisplayList->mChildNodes.emplace_back(renderNode, asSkCanvas(), true, mCurrentBarrier); |
| auto& renderNodeDrawable = mDisplayList->mChildNodes.back(); |
| if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) { |
| // Put Vulkan WebViews with non-rectangular clips in a HW layer |
| renderNode->mutateStagingProperties().setClipMayBeComplex(mRecorder.isClipMayBeComplex()); |
| } |
| drawDrawable(&renderNodeDrawable); |
| |
| // use staging property, since recording on UI thread |
| if (renderNode->stagingProperties().isProjectionReceiver()) { |
| mDisplayList->mProjectionReceiver = &renderNodeDrawable; |
| } |
| } |
| |
| |
| void SkiaRecordingCanvas::callDrawGLFunction(Functor* functor, |
| uirenderer::GlFunctorLifecycleListener* listener) { |
| #ifdef __ANDROID__ // Layoutlib does not support GL, Vulcan etc. |
| FunctorDrawable* functorDrawable; |
| if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) { |
| functorDrawable = mDisplayList->allocateDrawable<VkInteropFunctorDrawable>( |
| functor, listener, asSkCanvas()); |
| } else { |
| functorDrawable = |
| mDisplayList->allocateDrawable<GLFunctorDrawable>(functor, listener, asSkCanvas()); |
| } |
| mDisplayList->mChildFunctors.push_back(functorDrawable); |
| drawDrawable(functorDrawable); |
| #endif |
| } |
| |
| void SkiaRecordingCanvas::drawWebViewFunctor(int functor) { |
| #ifdef __ANDROID__ // Layoutlib does not support GL, Vulcan etc. |
| FunctorDrawable* functorDrawable; |
| if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) { |
| functorDrawable = mDisplayList->allocateDrawable<VkFunctorDrawable>(functor, asSkCanvas()); |
| } else { |
| functorDrawable = mDisplayList->allocateDrawable<GLFunctorDrawable>(functor, asSkCanvas()); |
| } |
| mDisplayList->mChildFunctors.push_back(functorDrawable); |
| mRecorder.drawWebView(functorDrawable); |
| #endif |
| } |
| |
| void SkiaRecordingCanvas::drawVectorDrawable(VectorDrawableRoot* tree) { |
| mRecorder.drawVectorDrawable(tree); |
| SkMatrix mat; |
| this->getMatrix(&mat); |
| mDisplayList->appendVD(tree, mat); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Recording Canvas draw operations: Bitmaps |
| // ---------------------------------------------------------------------------- |
| |
| SkiaCanvas::PaintCoW&& SkiaRecordingCanvas::filterBitmap(PaintCoW&& paint) { |
| bool fixBlending = false; |
| bool fixAA = false; |
| if (paint) { |
| // kClear blend mode is drawn as kDstOut on HW for compatibility with Android O and |
| // older. |
| fixBlending = sApiLevel <= 27 && paint->getBlendMode() == SkBlendMode::kClear; |
| fixAA = paint->isAntiAlias(); |
| } |
| |
| if (fixBlending || fixAA) { |
| SkPaint& tmpPaint = paint.writeable(); |
| |
| if (fixBlending) { |
| tmpPaint.setBlendMode(SkBlendMode::kDstOut); |
| } |
| |
| // disabling AA on bitmap draws matches legacy HWUI behavior |
| tmpPaint.setAntiAlias(false); |
| } |
| |
| return filterPaint(std::move(paint)); |
| } |
| |
| static SkDrawLooper* get_looper(const Paint* paint) { |
| return paint ? paint->getLooper() : nullptr; |
| } |
| |
| template <typename Proc> |
| void applyLooper(SkDrawLooper* looper, const SkPaint& paint, Proc proc) { |
| if (looper) { |
| SkSTArenaAlloc<256> alloc; |
| SkDrawLooper::Context* ctx = looper->makeContext(&alloc); |
| if (ctx) { |
| SkDrawLooper::Context::Info info; |
| for (;;) { |
| SkPaint p = paint; |
| if (!ctx->next(&info, &p)) { |
| break; |
| } |
| proc(info.fTranslate.fX, info.fTranslate.fY, p); |
| } |
| } |
| } else { |
| proc(0, 0, paint); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const Paint* paint) { |
| sk_sp<SkImage> image = bitmap.makeImage(); |
| |
| applyLooper(get_looper(paint), *filterBitmap(paint), [&](SkScalar x, SkScalar y, const SkPaint& p) { |
| mRecorder.drawImage(image, left + x, top + y, &p, bitmap.palette()); |
| }); |
| |
| // if image->unique() is true, then mRecorder.drawImage failed for some reason. It also means |
| // it is not safe to store a raw SkImage pointer, because the image object will be destroyed |
| // when this function ends. |
| if (!bitmap.isImmutable() && image.get() && !image->unique()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& bitmap, const SkMatrix& matrix, const Paint* paint) { |
| SkAutoCanvasRestore acr(&mRecorder, true); |
| concat(matrix); |
| |
| sk_sp<SkImage> image = bitmap.makeImage(); |
| |
| applyLooper(get_looper(paint), *filterBitmap(paint), [&](SkScalar x, SkScalar y, const SkPaint& p) { |
| mRecorder.drawImage(image, x, y, &p, bitmap.palette()); |
| }); |
| |
| if (!bitmap.isImmutable() && image.get() && !image->unique()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawBitmap(Bitmap& bitmap, float srcLeft, float srcTop, float srcRight, |
| float srcBottom, float dstLeft, float dstTop, float dstRight, |
| float dstBottom, const Paint* paint) { |
| SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); |
| SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); |
| |
| sk_sp<SkImage> image = bitmap.makeImage(); |
| |
| applyLooper(get_looper(paint), *filterBitmap(paint), [&](SkScalar x, SkScalar y, const SkPaint& p) { |
| mRecorder.drawImageRect(image, srcRect, dstRect.makeOffset(x, y), &p, |
| SkCanvas::kFast_SrcRectConstraint, bitmap.palette()); |
| }); |
| |
| if (!bitmap.isImmutable() && image.get() && !image->unique() && !srcRect.isEmpty() && |
| !dstRect.isEmpty()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| } |
| |
| void SkiaRecordingCanvas::drawNinePatch(Bitmap& bitmap, const Res_png_9patch& chunk, float dstLeft, |
| float dstTop, float dstRight, float dstBottom, |
| const Paint* paint) { |
| SkCanvas::Lattice lattice; |
| NinePatchUtils::SetLatticeDivs(&lattice, chunk, bitmap.width(), bitmap.height()); |
| |
| lattice.fRectTypes = nullptr; |
| lattice.fColors = 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::RectType> flags(numFlags); |
| SkAutoSTMalloc<25, SkColor> colors(numFlags); |
| if (numFlags > 0) { |
| NinePatchUtils::SetLatticeFlags(&lattice, flags.get(), numFlags, chunk, colors.get()); |
| } |
| |
| lattice.fBounds = nullptr; |
| SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); |
| |
| PaintCoW filteredPaint(paint); |
| // HWUI always draws 9-patches with bilinear filtering, regardless of what is set in the Paint. |
| if (!filteredPaint || filteredPaint->getFilterQuality() != kLow_SkFilterQuality) { |
| filteredPaint.writeable().setFilterQuality(kLow_SkFilterQuality); |
| } |
| sk_sp<SkImage> image = bitmap.makeImage(); |
| |
| applyLooper(get_looper(paint), *filterBitmap(*filteredPaint), [&](SkScalar x, SkScalar y, |
| const SkPaint& p) { |
| mRecorder.drawImageLattice(image, lattice, dst.makeOffset(x, y), &p, bitmap.palette()); |
| }); |
| |
| if (!bitmap.isImmutable() && image.get() && !image->unique() && !dst.isEmpty()) { |
| mDisplayList->mMutableImages.push_back(image.get()); |
| } |
| } |
| |
| double SkiaRecordingCanvas::drawAnimatedImage(AnimatedImageDrawable* animatedImage) { |
| drawDrawable(animatedImage); |
| mDisplayList->mAnimatedImages.push_back(animatedImage); |
| return 0; |
| } |
| |
| } // namespace skiapipeline |
| } // namespace uirenderer |
| } // namespace android |