| /* |
| * Copyright (C) 2013 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. |
| */ |
| |
| #define ATRACE_TAG ATRACE_TAG_VIEW |
| |
| #include <SkCanvas.h> |
| #include <algorithm> |
| |
| #include <utils/Trace.h> |
| |
| #include "Debug.h" |
| #include "DisplayList.h" |
| #include "DisplayListOp.h" |
| #include "DisplayListLogBuffer.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| void DisplayList::outputLogBuffer(int fd) { |
| DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); |
| if (logBuffer.isEmpty()) { |
| return; |
| } |
| |
| FILE *file = fdopen(fd, "a"); |
| |
| fprintf(file, "\nRecent DisplayList operations\n"); |
| logBuffer.outputCommands(file); |
| |
| String8 cachesLog; |
| Caches::getInstance().dumpMemoryUsage(cachesLog); |
| fprintf(file, "\nCaches:\n%s", cachesLog.string()); |
| fprintf(file, "\n"); |
| |
| fflush(file); |
| } |
| |
| DisplayList::DisplayList(const DisplayListRenderer& recorder) : |
| mDestroyed(false), mTransformMatrix(NULL), mTransformCamera(NULL), mTransformMatrix3D(NULL), |
| mStaticMatrix(NULL), mAnimationMatrix(NULL) { |
| |
| initFromDisplayListRenderer(recorder); |
| } |
| |
| DisplayList::~DisplayList() { |
| mDestroyed = true; |
| clearResources(); |
| } |
| |
| void DisplayList::destroyDisplayListDeferred(DisplayList* displayList) { |
| if (displayList) { |
| DISPLAY_LIST_LOGD("Deferring display list destruction"); |
| Caches::getInstance().deleteDisplayListDeferred(displayList); |
| } |
| } |
| |
| void DisplayList::clearResources() { |
| mDisplayListData = NULL; |
| |
| delete mTransformMatrix; |
| delete mTransformCamera; |
| delete mTransformMatrix3D; |
| delete mStaticMatrix; |
| delete mAnimationMatrix; |
| |
| mTransformMatrix = NULL; |
| mTransformCamera = NULL; |
| mTransformMatrix3D = NULL; |
| mStaticMatrix = NULL; |
| mAnimationMatrix = NULL; |
| |
| Caches& caches = Caches::getInstance(); |
| caches.unregisterFunctors(mFunctorCount); |
| caches.resourceCache.lock(); |
| |
| for (size_t i = 0; i < mBitmapResources.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mBitmapResources.itemAt(i)); |
| } |
| |
| for (size_t i = 0; i < mOwnedBitmapResources.size(); i++) { |
| const SkBitmap* bitmap = mOwnedBitmapResources.itemAt(i); |
| caches.resourceCache.decrementRefcountLocked(bitmap); |
| caches.resourceCache.destructorLocked(bitmap); |
| } |
| |
| for (size_t i = 0; i < mFilterResources.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mFilterResources.itemAt(i)); |
| } |
| |
| for (size_t i = 0; i < mPatchResources.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mPatchResources.itemAt(i)); |
| } |
| |
| for (size_t i = 0; i < mShaders.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mShaders.itemAt(i)); |
| caches.resourceCache.destructorLocked(mShaders.itemAt(i)); |
| } |
| |
| for (size_t i = 0; i < mSourcePaths.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mSourcePaths.itemAt(i)); |
| } |
| |
| for (size_t i = 0; i < mLayers.size(); i++) { |
| caches.resourceCache.decrementRefcountLocked(mLayers.itemAt(i)); |
| } |
| |
| caches.resourceCache.unlock(); |
| |
| for (size_t i = 0; i < mPaints.size(); i++) { |
| delete mPaints.itemAt(i); |
| } |
| |
| for (size_t i = 0; i < mRegions.size(); i++) { |
| delete mRegions.itemAt(i); |
| } |
| |
| for (size_t i = 0; i < mPaths.size(); i++) { |
| delete mPaths.itemAt(i); |
| } |
| |
| for (size_t i = 0; i < mMatrices.size(); i++) { |
| delete mMatrices.itemAt(i); |
| } |
| |
| mBitmapResources.clear(); |
| mOwnedBitmapResources.clear(); |
| mFilterResources.clear(); |
| mPatchResources.clear(); |
| mShaders.clear(); |
| mSourcePaths.clear(); |
| mPaints.clear(); |
| mRegions.clear(); |
| mPaths.clear(); |
| mMatrices.clear(); |
| mLayers.clear(); |
| } |
| |
| void DisplayList::reset() { |
| clearResources(); |
| init(); |
| } |
| |
| void DisplayList::initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing) { |
| if (reusing) { |
| // re-using display list - clear out previous allocations |
| clearResources(); |
| } |
| |
| init(); |
| |
| mDisplayListData = recorder.getDisplayListData(); |
| mSize = mDisplayListData->allocator.usedSize(); |
| |
| if (mSize == 0) { |
| return; |
| } |
| |
| mFunctorCount = recorder.getFunctorCount(); |
| |
| Caches& caches = Caches::getInstance(); |
| caches.registerFunctors(mFunctorCount); |
| caches.resourceCache.lock(); |
| |
| const Vector<const SkBitmap*>& bitmapResources = recorder.getBitmapResources(); |
| for (size_t i = 0; i < bitmapResources.size(); i++) { |
| const SkBitmap* resource = bitmapResources.itemAt(i); |
| mBitmapResources.add(resource); |
| caches.resourceCache.incrementRefcountLocked(resource); |
| } |
| |
| const Vector<const SkBitmap*>& ownedBitmapResources = recorder.getOwnedBitmapResources(); |
| for (size_t i = 0; i < ownedBitmapResources.size(); i++) { |
| const SkBitmap* resource = ownedBitmapResources.itemAt(i); |
| mOwnedBitmapResources.add(resource); |
| caches.resourceCache.incrementRefcountLocked(resource); |
| } |
| |
| const Vector<SkiaColorFilter*>& filterResources = recorder.getFilterResources(); |
| for (size_t i = 0; i < filterResources.size(); i++) { |
| SkiaColorFilter* resource = filterResources.itemAt(i); |
| mFilterResources.add(resource); |
| caches.resourceCache.incrementRefcountLocked(resource); |
| } |
| |
| const Vector<const Res_png_9patch*>& patchResources = recorder.getPatchResources(); |
| for (size_t i = 0; i < patchResources.size(); i++) { |
| const Res_png_9patch* resource = patchResources.itemAt(i); |
| mPatchResources.add(resource); |
| caches.resourceCache.incrementRefcountLocked(resource); |
| } |
| |
| const Vector<SkiaShader*>& shaders = recorder.getShaders(); |
| for (size_t i = 0; i < shaders.size(); i++) { |
| SkiaShader* resource = shaders.itemAt(i); |
| mShaders.add(resource); |
| caches.resourceCache.incrementRefcountLocked(resource); |
| } |
| |
| const SortedVector<const SkPath*>& sourcePaths = recorder.getSourcePaths(); |
| for (size_t i = 0; i < sourcePaths.size(); i++) { |
| mSourcePaths.add(sourcePaths.itemAt(i)); |
| caches.resourceCache.incrementRefcountLocked(sourcePaths.itemAt(i)); |
| } |
| |
| const Vector<Layer*>& layers = recorder.getLayers(); |
| for (size_t i = 0; i < layers.size(); i++) { |
| mLayers.add(layers.itemAt(i)); |
| caches.resourceCache.incrementRefcountLocked(layers.itemAt(i)); |
| } |
| |
| caches.resourceCache.unlock(); |
| |
| mPaints.appendVector(recorder.getPaints()); |
| mRegions.appendVector(recorder.getRegions()); |
| mPaths.appendVector(recorder.getPaths()); |
| mMatrices.appendVector(recorder.getMatrices()); |
| } |
| |
| void DisplayList::init() { |
| mSize = 0; |
| mIsRenderable = true; |
| mFunctorCount = 0; |
| mLeft = 0; |
| mTop = 0; |
| mRight = 0; |
| mBottom = 0; |
| mClipToBounds = true; |
| mIsolatedZVolume = true; |
| mProjectBackwards = false; |
| mOutline.rewind(); |
| mAlpha = 1; |
| mHasOverlappingRendering = true; |
| mTranslationX = 0; |
| mTranslationY = 0; |
| mTranslationZ = 0; |
| mRotation = 0; |
| mRotationX = 0; |
| mRotationY= 0; |
| mScaleX = 1; |
| mScaleY = 1; |
| mPivotX = 0; |
| mPivotY = 0; |
| mCameraDistance = 0; |
| mMatrixDirty = false; |
| mMatrixFlags = 0; |
| mPrevWidth = -1; |
| mPrevHeight = -1; |
| mWidth = 0; |
| mHeight = 0; |
| mPivotExplicitlySet = false; |
| mCaching = false; |
| } |
| |
| size_t DisplayList::getSize() { |
| return mSize; |
| } |
| |
| /** |
| * This function is a simplified version of replay(), where we simply retrieve and log the |
| * display list. This function should remain in sync with the replay() function. |
| */ |
| void DisplayList::output(uint32_t level) { |
| ALOGD("%*sStart display list (%p, %s, render=%d)", (level - 1) * 2, "", this, |
| mName.string(), isRenderable()); |
| ALOGD("%*s%s %d", level * 2, "", "Save", |
| SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| |
| outputViewProperties(level); |
| int flags = DisplayListOp::kOpLogFlag_Recurse; |
| for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { |
| mDisplayListData->displayListOps[i]->output(level, flags); |
| } |
| |
| ALOGD("%*sDone (%p, %s)", (level - 1) * 2, "", this, mName.string()); |
| } |
| |
| float DisplayList::getPivotX() { |
| updateMatrix(); |
| return mPivotX; |
| } |
| |
| float DisplayList::getPivotY() { |
| updateMatrix(); |
| return mPivotY; |
| } |
| |
| void DisplayList::updateMatrix() { |
| if (mMatrixDirty) { |
| if (!mTransformMatrix) { |
| mTransformMatrix = new SkMatrix(); |
| } |
| if (mMatrixFlags == 0 || mMatrixFlags == TRANSLATION) { |
| mTransformMatrix->reset(); |
| } else { |
| if (!mPivotExplicitlySet) { |
| if (mWidth != mPrevWidth || mHeight != mPrevHeight) { |
| mPrevWidth = mWidth; |
| mPrevHeight = mHeight; |
| mPivotX = mPrevWidth / 2.0f; |
| mPivotY = mPrevHeight / 2.0f; |
| } |
| } |
| if (!Caches::getInstance().propertyEnable3d && (mMatrixFlags & ROTATION_3D) == 0) { |
| mTransformMatrix->setTranslate(mTranslationX, mTranslationY); |
| mTransformMatrix->preRotate(mRotation, mPivotX, mPivotY); |
| mTransformMatrix->preScale(mScaleX, mScaleY, mPivotX, mPivotY); |
| } else { |
| if (Caches::getInstance().propertyEnable3d) { |
| mTransform.loadTranslate(mPivotX + mTranslationX, mPivotY + mTranslationY, |
| mTranslationZ); |
| mTransform.rotate(mRotationX, 1, 0, 0); |
| mTransform.rotate(mRotationY, 0, 1, 0); |
| mTransform.rotate(mRotation, 0, 0, 1); |
| mTransform.scale(mScaleX, mScaleY, 1); |
| mTransform.translate(-mPivotX, -mPivotY); |
| } else { |
| /* TODO: support this old transform approach, based on API level */ |
| if (!mTransformCamera) { |
| mTransformCamera = new Sk3DView(); |
| mTransformMatrix3D = new SkMatrix(); |
| } |
| mTransformMatrix->reset(); |
| mTransformCamera->save(); |
| mTransformMatrix->preScale(mScaleX, mScaleY, mPivotX, mPivotY); |
| mTransformCamera->rotateX(mRotationX); |
| mTransformCamera->rotateY(mRotationY); |
| mTransformCamera->rotateZ(-mRotation); |
| mTransformCamera->getMatrix(mTransformMatrix3D); |
| mTransformMatrix3D->preTranslate(-mPivotX, -mPivotY); |
| mTransformMatrix3D->postTranslate(mPivotX + mTranslationX, |
| mPivotY + mTranslationY); |
| mTransformMatrix->postConcat(*mTransformMatrix3D); |
| mTransformCamera->restore(); |
| } |
| } |
| } |
| mMatrixDirty = false; |
| } |
| } |
| |
| void DisplayList::outputViewProperties(const int level) { |
| updateMatrix(); |
| if (mLeft != 0 || mTop != 0) { |
| ALOGD("%*sTranslate (left, top) %d, %d", level * 2, "", mLeft, mTop); |
| } |
| if (mStaticMatrix) { |
| ALOGD("%*sConcatMatrix (static) %p: " MATRIX_STRING, |
| level * 2, "", mStaticMatrix, MATRIX_ARGS(mStaticMatrix)); |
| } |
| if (mAnimationMatrix) { |
| ALOGD("%*sConcatMatrix (animation) %p: " MATRIX_STRING, |
| level * 2, "", mAnimationMatrix, MATRIX_ARGS(mAnimationMatrix)); |
| } |
| if (mMatrixFlags != 0) { |
| if (mMatrixFlags == TRANSLATION) { |
| ALOGD("%*sTranslate %f, %f", level * 2, "", mTranslationX, mTranslationY); |
| } else { |
| ALOGD("%*sConcatMatrix %p: " MATRIX_STRING, |
| level * 2, "", mTransformMatrix, MATRIX_ARGS(mTransformMatrix)); |
| } |
| } |
| |
| bool clipToBoundsNeeded = mCaching ? false : mClipToBounds; |
| if (mAlpha < 1) { |
| if (mCaching) { |
| ALOGD("%*sSetOverrideLayerAlpha %.2f", level * 2, "", mAlpha); |
| } else if (!mHasOverlappingRendering) { |
| ALOGD("%*sScaleAlpha %.2f", level * 2, "", mAlpha); |
| } else { |
| int flags = SkCanvas::kHasAlphaLayer_SaveFlag; |
| if (clipToBoundsNeeded) { |
| flags |= SkCanvas::kClipToLayer_SaveFlag; |
| clipToBoundsNeeded = false; // clipping done by save layer |
| } |
| ALOGD("%*sSaveLayerAlpha %.2f, %.2f, %.2f, %.2f, %d, 0x%x", level * 2, "", |
| (float) 0, (float) 0, (float) mRight - mLeft, (float) mBottom - mTop, |
| (int)(mAlpha * 255), flags); |
| } |
| } |
| if (clipToBoundsNeeded) { |
| ALOGD("%*sClipRect %.2f, %.2f, %.2f, %.2f", level * 2, "", 0.0f, 0.0f, |
| (float) mRight - mLeft, (float) mBottom - mTop); |
| } |
| } |
| |
| /* |
| * For property operations, we pass a savecount of 0, since the operations aren't part of the |
| * displaylist, and thus don't have to compensate for the record-time/playback-time discrepancy in |
| * base saveCount (i.e., how RestoreToCount uses saveCount + mCount) |
| */ |
| #define PROPERTY_SAVECOUNT 0 |
| |
| template <class T> |
| void DisplayList::setViewProperties(OpenGLRenderer& renderer, T& handler, |
| const int level) { |
| #if DEBUG_DISPLAY_LIST |
| outputViewProperties(level); |
| #endif |
| updateMatrix(); |
| if (mLeft != 0 || mTop != 0) { |
| renderer.translate(mLeft, mTop); |
| } |
| if (mStaticMatrix) { |
| renderer.concatMatrix(mStaticMatrix); |
| } else if (mAnimationMatrix) { |
| renderer.concatMatrix(mAnimationMatrix); |
| } |
| if (mMatrixFlags != 0) { |
| if (Caches::getInstance().propertyEnable3d) { |
| if (mMatrixFlags == TRANSLATION) { |
| renderer.translate(mTranslationX, mTranslationY, mTranslationZ); |
| } else { |
| renderer.concatMatrix(mTransform); |
| } |
| } else { |
| // avoid setting translationZ, use SkMatrix |
| if (mMatrixFlags == TRANSLATION) { |
| renderer.translate(mTranslationX, mTranslationY, 0); |
| } else { |
| renderer.concatMatrix(mTransformMatrix); |
| } |
| } |
| } |
| bool clipToBoundsNeeded = mCaching ? false : mClipToBounds; |
| if (mAlpha < 1) { |
| if (mCaching) { |
| renderer.setOverrideLayerAlpha(mAlpha); |
| } else if (!mHasOverlappingRendering) { |
| renderer.scaleAlpha(mAlpha); |
| } else { |
| // TODO: should be able to store the size of a DL at record time and not |
| // have to pass it into this call. In fact, this information might be in the |
| // location/size info that we store with the new native transform data. |
| int saveFlags = SkCanvas::kHasAlphaLayer_SaveFlag; |
| if (clipToBoundsNeeded) { |
| saveFlags |= SkCanvas::kClipToLayer_SaveFlag; |
| clipToBoundsNeeded = false; // clipping done by saveLayer |
| } |
| |
| SaveLayerOp* op = new (handler.allocator()) SaveLayerOp( |
| 0, 0, mRight - mLeft, mBottom - mTop, |
| mAlpha * 255, SkXfermode::kSrcOver_Mode, saveFlags); |
| handler(op, PROPERTY_SAVECOUNT, mClipToBounds); |
| } |
| } |
| if (clipToBoundsNeeded) { |
| ClipRectOp* op = new (handler.allocator()) ClipRectOp(0, 0, |
| mRight - mLeft, mBottom - mTop, SkRegion::kIntersect_Op); |
| handler(op, PROPERTY_SAVECOUNT, mClipToBounds); |
| } |
| } |
| |
| /** |
| * Apply property-based transformations to input matrix |
| */ |
| void DisplayList::applyViewPropertyTransforms(mat4& matrix) { |
| if (mLeft != 0 || mTop != 0) { |
| matrix.translate(mLeft, mTop); |
| } |
| if (mStaticMatrix) { |
| mat4 stat(*mStaticMatrix); |
| matrix.multiply(stat); |
| } else if (mAnimationMatrix) { |
| mat4 anim(*mAnimationMatrix); |
| matrix.multiply(anim); |
| } |
| if (mMatrixFlags != 0) { |
| updateMatrix(); |
| if (mMatrixFlags == TRANSLATION) { |
| matrix.translate(mTranslationX, mTranslationY, mTranslationZ); |
| } else { |
| if (Caches::getInstance().propertyEnable3d) { |
| matrix.multiply(mTransform); |
| } else { |
| mat4 temp(*mTransformMatrix); |
| matrix.multiply(temp); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Organizes the DisplayList hierarchy to prepare for Z-based draw order. |
| * |
| * This should be called before a call to defer() or drawDisplayList() |
| * |
| * Each DisplayList that serves as a 3d root builds its list of composited children, |
| * which are flagged to not draw in the standard draw loop. |
| */ |
| void DisplayList::computeOrdering() { |
| ATRACE_CALL(); |
| m3dNodes.clear(); |
| mProjectedNodes.clear(); |
| |
| // TODO: create temporary DDLOp and call computeOrderingImpl on top DisplayList so that |
| // transform properties are applied correctly to top level children |
| if (mDisplayListData == NULL) return; |
| for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { |
| DrawDisplayListOp* childOp = mDisplayListData->children[i]; |
| childOp->mDisplayList->computeOrderingImpl(childOp, |
| &m3dNodes, &mat4::identity(), |
| &mProjectedNodes, &mat4::identity()); |
| } |
| } |
| |
| void DisplayList::computeOrderingImpl( |
| DrawDisplayListOp* opState, |
| Vector<ZDrawDisplayListOpPair>* compositedChildrenOf3dRoot, |
| const mat4* transformFrom3dRoot, |
| Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, |
| const mat4* transformFromProjectionSurface) { |
| m3dNodes.clear(); |
| mProjectedNodes.clear(); |
| |
| // TODO: should avoid this calculation in most cases |
| // TODO: just calculate single matrix, down to all leaf composited elements |
| Matrix4 localTransformFrom3dRoot(*transformFrom3dRoot); |
| localTransformFrom3dRoot.multiply(opState->mTransformFromParent); |
| Matrix4 localTransformFromProjectionSurface(*transformFromProjectionSurface); |
| localTransformFromProjectionSurface.multiply(opState->mTransformFromParent); |
| |
| if (mTranslationZ != 0.0f) { // TODO: other signals for 3d compositing, such as custom matrix4 |
| // composited 3d layer, flag for out of order draw and save matrix... |
| opState->mSkipInOrderDraw = true; |
| opState->mTransformFromCompositingAncestor.load(localTransformFrom3dRoot); |
| |
| // ... and insert into current 3d root, keyed with pivot z for later sorting |
| Vector3 pivot(mPivotX, mPivotY, 0.0f); |
| mat4 totalTransform(localTransformFrom3dRoot); |
| applyViewPropertyTransforms(totalTransform); |
| totalTransform.mapPoint3d(pivot); |
| compositedChildrenOf3dRoot->add(ZDrawDisplayListOpPair(pivot.z, opState)); |
| } else if (mProjectBackwards) { |
| // composited projectee, flag for out of order draw, save matrix, and store in proj surface |
| opState->mSkipInOrderDraw = true; |
| opState->mTransformFromCompositingAncestor.load(localTransformFromProjectionSurface); |
| compositedChildrenOfProjectionSurface->add(opState); |
| } else { |
| // standard in order draw |
| opState->mSkipInOrderDraw = false; |
| } |
| |
| if (mIsolatedZVolume) { |
| // create a new 3d space for descendents by collecting them |
| compositedChildrenOf3dRoot = &m3dNodes; |
| transformFrom3dRoot = &mat4::identity(); |
| } else { |
| applyViewPropertyTransforms(localTransformFrom3dRoot); |
| transformFrom3dRoot = &localTransformFrom3dRoot; |
| } |
| |
| if (mDisplayListData != NULL && mDisplayListData->projectionIndex >= 0) { |
| // create a new projection surface for descendents by collecting them |
| compositedChildrenOfProjectionSurface = &mProjectedNodes; |
| transformFromProjectionSurface = &mat4::identity(); |
| } else { |
| applyViewPropertyTransforms(localTransformFromProjectionSurface); |
| transformFromProjectionSurface = &localTransformFromProjectionSurface; |
| } |
| |
| if (mDisplayListData != NULL && mDisplayListData->children.size() > 0) { |
| for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { |
| DrawDisplayListOp* childOp = mDisplayListData->children[i]; |
| childOp->mDisplayList->computeOrderingImpl(childOp, |
| compositedChildrenOf3dRoot, transformFrom3dRoot, |
| compositedChildrenOfProjectionSurface, transformFromProjectionSurface); |
| } |
| } |
| } |
| |
| class DeferOperationHandler { |
| public: |
| DeferOperationHandler(DeferStateStruct& deferStruct, int level) |
| : mDeferStruct(deferStruct), mLevel(level) {} |
| inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { |
| operation->defer(mDeferStruct, saveCount, mLevel, clipToBounds); |
| } |
| inline LinearAllocator& allocator() { return *(mDeferStruct.mAllocator); } |
| |
| private: |
| DeferStateStruct& mDeferStruct; |
| const int mLevel; |
| }; |
| |
| void DisplayList::defer(DeferStateStruct& deferStruct, const int level) { |
| DeferOperationHandler handler(deferStruct, level); |
| iterate<DeferOperationHandler>(deferStruct.mRenderer, handler, level); |
| } |
| |
| class ReplayOperationHandler { |
| public: |
| ReplayOperationHandler(ReplayStateStruct& replayStruct, int level) |
| : mReplayStruct(replayStruct), mLevel(level) {} |
| inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { |
| #if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS |
| mReplayStruct.mRenderer.eventMark(operation->name()); |
| #endif |
| operation->replay(mReplayStruct, saveCount, mLevel, clipToBounds); |
| } |
| inline LinearAllocator& allocator() { return *(mReplayStruct.mAllocator); } |
| |
| private: |
| ReplayStateStruct& mReplayStruct; |
| const int mLevel; |
| }; |
| |
| void DisplayList::replay(ReplayStateStruct& replayStruct, const int level) { |
| ReplayOperationHandler handler(replayStruct, level); |
| |
| replayStruct.mRenderer.startMark(mName.string()); |
| iterate<ReplayOperationHandler>(replayStruct.mRenderer, handler, level); |
| replayStruct.mRenderer.endMark(); |
| |
| DISPLAY_LIST_LOGD("%*sDone (%p, %s), returning %d", level * 2, "", this, mName.string(), |
| replayStruct.mDrawGlStatus); |
| } |
| |
| template <class T> |
| void DisplayList::iterate3dChildren(ChildrenSelectMode mode, OpenGLRenderer& renderer, |
| T& handler, const int level) { |
| if (m3dNodes.size() == 0 || |
| (mode == kNegativeZChildren && m3dNodes[0].key > 0.0f) || |
| (mode == kPositiveZChildren && m3dNodes[m3dNodes.size() - 1].key < 0.0f)) { |
| // no 3d children to draw |
| return; |
| } |
| |
| LinearAllocator& alloc = handler.allocator(); |
| ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, mWidth, mHeight, |
| SkRegion::kIntersect_Op); // clip to 3d root bounds for now |
| handler(clipOp, PROPERTY_SAVECOUNT, mClipToBounds); |
| int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| |
| for (size_t i = 0; i < m3dNodes.size(); i++) { |
| const float zValue = m3dNodes[i].key; |
| DrawDisplayListOp* childOp = m3dNodes[i].value; |
| |
| if (mode == kPositiveZChildren && zValue < 0.0f) continue; |
| if (mode == kNegativeZChildren && zValue > 0.0f) break; |
| |
| if (mode == kPositiveZChildren && zValue > 0.0f) { |
| /* draw shadow with parent matrix applied, passing in the child's total matrix |
| * |
| * TODO: |
| * -view must opt-in to shadows |
| * -consider depth in more complex scenarios (neg z, added shadow depth) |
| */ |
| mat4 shadowMatrix(childOp->mTransformFromCompositingAncestor); |
| childOp->mDisplayList->applyViewPropertyTransforms(shadowMatrix); |
| DisplayList* child = childOp->mDisplayList; |
| |
| DisplayListOp* shadowOp = new (alloc) DrawShadowOp(shadowMatrix, |
| child->mAlpha, &(child->mOutline), child->mWidth, child->mHeight); |
| handler(shadowOp, PROPERTY_SAVECOUNT, mClipToBounds); |
| } |
| |
| renderer.concatMatrix(childOp->mTransformFromCompositingAncestor); |
| childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone |
| handler(childOp, renderer.getSaveCount() - 1, mClipToBounds); |
| childOp->mSkipInOrderDraw = true; |
| } |
| handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, mClipToBounds); |
| } |
| |
| template <class T> |
| void DisplayList::iterateProjectedChildren(OpenGLRenderer& renderer, T& handler, const int level) { |
| LinearAllocator& alloc = handler.allocator(); |
| ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, mWidth, mHeight, |
| SkRegion::kReplace_Op); // clip to projection surface root bounds |
| handler(clipOp, PROPERTY_SAVECOUNT, mClipToBounds); |
| int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| |
| for (size_t i = 0; i < mProjectedNodes.size(); i++) { |
| DrawDisplayListOp* childOp = mProjectedNodes[i]; |
| renderer.concatMatrix(childOp->mTransformFromCompositingAncestor); |
| childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone |
| handler(childOp, renderer.getSaveCount() - 1, mClipToBounds); |
| childOp->mSkipInOrderDraw = true; |
| } |
| handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, mClipToBounds); |
| } |
| |
| /** |
| * This function serves both defer and replay modes, and will organize the displayList's component |
| * operations for a single frame: |
| * |
| * Every 'simple' state operation that affects just the matrix and alpha (or other factors of |
| * DeferredDisplayState) may be issued directly to the renderer, but complex operations (with custom |
| * defer logic) and operations in displayListOps are issued through the 'handler' which handles the |
| * defer vs replay logic, per operation |
| */ |
| template <class T> |
| void DisplayList::iterate(OpenGLRenderer& renderer, T& handler, const int level) { |
| if (CC_UNLIKELY(mDestroyed)) { // temporary debug logging |
| ALOGW("Error: %s is drawing after destruction, size %d", getName(), mSize); |
| CRASH(); |
| } |
| if (mSize == 0 || mAlpha <= 0) { |
| DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, mName.string()); |
| return; |
| } |
| |
| #if DEBUG_DISPLAY_LIST |
| Rect* clipRect = renderer.getClipRect(); |
| DISPLAY_LIST_LOGD("%*sStart display list (%p, %s), clipRect: %.0f, %.0f, %.0f, %.0f", |
| level * 2, "", this, mName.string(), clipRect->left, clipRect->top, |
| clipRect->right, clipRect->bottom); |
| #endif |
| |
| LinearAllocator& alloc = handler.allocator(); |
| int restoreTo = renderer.getSaveCount(); |
| handler(new (alloc) SaveOp(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag), |
| PROPERTY_SAVECOUNT, mClipToBounds); |
| |
| DISPLAY_LIST_LOGD("%*sSave %d %d", (level + 1) * 2, "", |
| SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag, restoreTo); |
| |
| setViewProperties<T>(renderer, handler, level + 1); |
| |
| bool quickRejected = mClipToBounds && renderer.quickRejectConservative(0, 0, mWidth, mHeight); |
| if (!quickRejected) { |
| // Z sort 3d children (stable-ness makes z compare fall back to standard drawing order) |
| std::stable_sort(m3dNodes.begin(), m3dNodes.end()); |
| |
| // for 3d root, draw children with negative z values |
| iterate3dChildren(kNegativeZChildren, renderer, handler, level); |
| |
| DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); |
| const int saveCountOffset = renderer.getSaveCount() - 1; |
| const int projectionIndex = mDisplayListData->projectionIndex; |
| for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { |
| DisplayListOp *op = mDisplayListData->displayListOps[i]; |
| |
| #if DEBUG_DISPLAY_LIST |
| op->output(level + 1); |
| #endif |
| |
| logBuffer.writeCommand(level, op->name()); |
| handler(op, saveCountOffset, mClipToBounds); |
| |
| if (CC_UNLIKELY(i == projectionIndex && mProjectedNodes.size() > 0)) { |
| iterateProjectedChildren(renderer, handler, level); |
| } |
| } |
| |
| // for 3d root, draw children with positive z values |
| iterate3dChildren(kPositiveZChildren, renderer, handler, level); |
| } |
| |
| DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo); |
| handler(new (alloc) RestoreToCountOp(restoreTo), |
| PROPERTY_SAVECOUNT, mClipToBounds); |
| renderer.setOverrideLayerAlpha(1.0f); |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |