| /* |
| * Copyright (C) 2014 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 "RenderNode.h" |
| |
| #include <SkCanvas.h> |
| #include <algorithm> |
| |
| #include <utils/Trace.h> |
| |
| #include "Debug.h" |
| #include "DisplayListOp.h" |
| #include "DisplayListLogBuffer.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| void RenderNode::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); |
| } |
| |
| RenderNode::RenderNode() : mDestroyed(false), mDisplayListData(0) { |
| } |
| |
| RenderNode::~RenderNode() { |
| LOG_ALWAYS_FATAL_IF(mDestroyed, "Double destroyed DisplayList %p", this); |
| |
| mDestroyed = true; |
| delete mDisplayListData; |
| } |
| |
| void RenderNode::destroyDisplayListDeferred(RenderNode* displayList) { |
| if (displayList) { |
| DISPLAY_LIST_LOGD("Deferring display list destruction"); |
| Caches::getInstance().deleteDisplayListDeferred(displayList); |
| } |
| } |
| |
| void RenderNode::setData(DisplayListData* data) { |
| delete mDisplayListData; |
| mDisplayListData = data; |
| if (mDisplayListData) { |
| Caches::getInstance().registerFunctors(mDisplayListData->functorCount); |
| } |
| } |
| |
| /** |
| * 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 RenderNode::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()); |
| } |
| |
| void RenderNode::outputViewProperties(const int level) { |
| properties().updateMatrix(); |
| if (properties().mLeft != 0 || properties().mTop != 0) { |
| ALOGD("%*sTranslate (left, top) %d, %d", level * 2, "", properties().mLeft, properties().mTop); |
| } |
| if (properties().mStaticMatrix) { |
| ALOGD("%*sConcatMatrix (static) %p: " SK_MATRIX_STRING, |
| level * 2, "", properties().mStaticMatrix, SK_MATRIX_ARGS(properties().mStaticMatrix)); |
| } |
| if (properties().mAnimationMatrix) { |
| ALOGD("%*sConcatMatrix (animation) %p: " SK_MATRIX_STRING, |
| level * 2, "", properties().mAnimationMatrix, SK_MATRIX_ARGS(properties().mAnimationMatrix)); |
| } |
| if (properties().mMatrixFlags != 0) { |
| if (properties().mMatrixFlags == TRANSLATION) { |
| ALOGD("%*sTranslate %.2f, %.2f, %.2f", |
| level * 2, "", properties().mTranslationX, properties().mTranslationY, properties().mTranslationZ); |
| } else { |
| ALOGD("%*sConcatMatrix %p: " MATRIX_4_STRING, |
| level * 2, "", properties().mTransformMatrix, MATRIX_4_ARGS(properties().mTransformMatrix)); |
| } |
| } |
| |
| bool clipToBoundsNeeded = properties().mCaching ? false : properties().mClipToBounds; |
| if (properties().mAlpha < 1) { |
| if (properties().mCaching) { |
| ALOGD("%*sSetOverrideLayerAlpha %.2f", level * 2, "", properties().mAlpha); |
| } else if (!properties().mHasOverlappingRendering) { |
| ALOGD("%*sScaleAlpha %.2f", level * 2, "", properties().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) properties().mRight - properties().mLeft, (float) properties().mBottom - properties().mTop, |
| (int)(properties().mAlpha * 255), flags); |
| } |
| } |
| if (clipToBoundsNeeded) { |
| ALOGD("%*sClipRect %.2f, %.2f, %.2f, %.2f", level * 2, "", 0.0f, 0.0f, |
| (float) properties().mRight - properties().mLeft, (float) properties().mBottom - properties().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 + properties().mCount) |
| */ |
| #define PROPERTY_SAVECOUNT 0 |
| |
| template <class T> |
| void RenderNode::setViewProperties(OpenGLRenderer& renderer, T& handler, |
| const int level) { |
| #if DEBUG_DISPLAY_LIST |
| outputViewProperties(level); |
| #endif |
| properties().updateMatrix(); |
| if (properties().mLeft != 0 || properties().mTop != 0) { |
| renderer.translate(properties().mLeft, properties().mTop); |
| } |
| if (properties().mStaticMatrix) { |
| renderer.concatMatrix(properties().mStaticMatrix); |
| } else if (properties().mAnimationMatrix) { |
| renderer.concatMatrix(properties().mAnimationMatrix); |
| } |
| if (properties().mMatrixFlags != 0) { |
| if (properties().mMatrixFlags == TRANSLATION) { |
| renderer.translate(properties().mTranslationX, properties().mTranslationY); |
| } else { |
| renderer.concatMatrix(*properties().mTransformMatrix); |
| } |
| } |
| bool clipToBoundsNeeded = properties().mCaching ? false : properties().mClipToBounds; |
| if (properties().mAlpha < 1) { |
| if (properties().mCaching) { |
| renderer.setOverrideLayerAlpha(properties().mAlpha); |
| } else if (!properties().mHasOverlappingRendering) { |
| renderer.scaleAlpha(properties().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, properties().mRight - properties().mLeft, properties().mBottom - properties().mTop, properties().mAlpha * 255, saveFlags); |
| handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| } |
| } |
| if (clipToBoundsNeeded) { |
| ClipRectOp* op = new (handler.allocator()) ClipRectOp(0, 0, |
| properties().mRight - properties().mLeft, properties().mBottom - properties().mTop, SkRegion::kIntersect_Op); |
| handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| } |
| if (CC_UNLIKELY(properties().mClipToOutline && !properties().mOutline.isEmpty())) { |
| ClipPathOp* op = new (handler.allocator()) ClipPathOp(&properties().mOutline, SkRegion::kIntersect_Op); |
| handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| } |
| } |
| |
| /** |
| * Apply property-based transformations to input matrix |
| * |
| * If true3dTransform is set to true, the transform applied to the input matrix will use true 4x4 |
| * matrix computation instead of the Skia 3x3 matrix + camera hackery. |
| */ |
| void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) { |
| if (properties().mLeft != 0 || properties().mTop != 0) { |
| matrix.translate(properties().mLeft, properties().mTop); |
| } |
| if (properties().mStaticMatrix) { |
| mat4 stat(*properties().mStaticMatrix); |
| matrix.multiply(stat); |
| } else if (properties().mAnimationMatrix) { |
| mat4 anim(*properties().mAnimationMatrix); |
| matrix.multiply(anim); |
| } |
| if (properties().mMatrixFlags != 0) { |
| properties().updateMatrix(); |
| if (properties().mMatrixFlags == TRANSLATION) { |
| matrix.translate(properties().mTranslationX, properties().mTranslationY, |
| true3dTransform ? properties().mTranslationZ : 0.0f); |
| } else { |
| if (!true3dTransform) { |
| matrix.multiply(*properties().mTransformMatrix); |
| } else { |
| mat4 true3dMat; |
| true3dMat.loadTranslate( |
| properties().mPivotX + properties().mTranslationX, |
| properties().mPivotY + properties().mTranslationY, |
| properties().mTranslationZ); |
| true3dMat.rotate(properties().mRotationX, 1, 0, 0); |
| true3dMat.rotate(properties().mRotationY, 0, 1, 0); |
| true3dMat.rotate(properties().mRotation, 0, 0, 1); |
| true3dMat.scale(properties().mScaleX, properties().mScaleY, 1); |
| true3dMat.translate(-properties().mPivotX, -properties().mPivotY); |
| |
| matrix.multiply(true3dMat); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Organizes the DisplayList hierarchy to prepare for background projection reordering. |
| * |
| * 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 RenderNode::computeOrdering() { |
| ATRACE_CALL(); |
| 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, |
| &mProjectedNodes, &mat4::identity()); |
| } |
| } |
| |
| void RenderNode::computeOrderingImpl( |
| DrawDisplayListOp* opState, |
| Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, |
| const mat4* transformFromProjectionSurface) { |
| mProjectedNodes.clear(); |
| if (mDisplayListData == NULL || mDisplayListData->isEmpty()) return; |
| |
| // TODO: should avoid this calculation in most cases |
| // TODO: just calculate single matrix, down to all leaf composited elements |
| Matrix4 localTransformFromProjectionSurface(*transformFromProjectionSurface); |
| localTransformFromProjectionSurface.multiply(opState->mTransformFromParent); |
| |
| if (properties().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 (mDisplayListData->children.size() > 0) { |
| const bool isProjectionReceiver = mDisplayListData->projectionReceiveIndex >= 0; |
| bool haveAppliedPropertiesToProjection = false; |
| for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { |
| DrawDisplayListOp* childOp = mDisplayListData->children[i]; |
| RenderNode* child = childOp->mDisplayList; |
| |
| Vector<DrawDisplayListOp*>* projectionChildren = NULL; |
| const mat4* projectionTransform = NULL; |
| if (isProjectionReceiver && !child->properties().mProjectBackwards) { |
| // if receiving projections, collect projecting descendent |
| |
| // Note that if a direct descendent is projecting backwards, we pass it's |
| // grandparent projection collection, since it shouldn't project onto it's |
| // parent, where it will already be drawing. |
| projectionChildren = &mProjectedNodes; |
| projectionTransform = &mat4::identity(); |
| } else { |
| if (!haveAppliedPropertiesToProjection) { |
| applyViewPropertyTransforms(localTransformFromProjectionSurface); |
| haveAppliedPropertiesToProjection = true; |
| } |
| projectionChildren = compositedChildrenOfProjectionSurface; |
| projectionTransform = &localTransformFromProjectionSurface; |
| } |
| child->computeOrderingImpl(childOp, projectionChildren, projectionTransform); |
| } |
| } |
| |
| } |
| |
| 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 RenderNode::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 |
| properties().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 RenderNode::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); |
| } |
| |
| void RenderNode::buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes) { |
| if (mDisplayListData == NULL || mDisplayListData->children.size() == 0) return; |
| |
| for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { |
| DrawDisplayListOp* childOp = mDisplayListData->children[i]; |
| RenderNode* child = childOp->mDisplayList; |
| float childZ = child->properties().mTranslationZ; |
| |
| if (childZ != 0.0f) { |
| zTranslatedNodes.add(ZDrawDisplayListOpPair(childZ, childOp)); |
| childOp->mSkipInOrderDraw = true; |
| } else if (!child->properties().mProjectBackwards) { |
| // regular, in order drawing DisplayList |
| childOp->mSkipInOrderDraw = false; |
| } |
| } |
| |
| // Z sort 3d children (stable-ness makes z compare fall back to standard drawing order) |
| std::stable_sort(zTranslatedNodes.begin(), zTranslatedNodes.end()); |
| } |
| |
| #define SHADOW_DELTA 0.1f |
| |
| template <class T> |
| void RenderNode::iterate3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, |
| ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler) { |
| const int size = zTranslatedNodes.size(); |
| if (size == 0 |
| || (mode == kNegativeZChildren && zTranslatedNodes[0].key > 0.0f) |
| || (mode == kPositiveZChildren && zTranslatedNodes[size - 1].key < 0.0f)) { |
| // no 3d children to draw |
| return; |
| } |
| |
| int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| LinearAllocator& alloc = handler.allocator(); |
| ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, properties().mWidth, properties().mHeight, |
| SkRegion::kIntersect_Op); // clip to 3d root bounds |
| handler(clipOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| |
| /** |
| * Draw shadows and (potential) casters mostly in order, but allow the shadows of casters |
| * with very similar Z heights to draw together. |
| * |
| * This way, if Views A & B have the same Z height and are both casting shadows, the shadows are |
| * underneath both, and neither's shadow is drawn on top of the other. |
| */ |
| const size_t nonNegativeIndex = findNonNegativeIndex(zTranslatedNodes); |
| size_t drawIndex, shadowIndex, endIndex; |
| if (mode == kNegativeZChildren) { |
| drawIndex = 0; |
| endIndex = nonNegativeIndex; |
| shadowIndex = endIndex; // draw no shadows |
| } else { |
| drawIndex = nonNegativeIndex; |
| endIndex = size; |
| shadowIndex = drawIndex; // potentially draw shadow for each pos Z child |
| } |
| float lastCasterZ = 0.0f; |
| while (shadowIndex < endIndex || drawIndex < endIndex) { |
| if (shadowIndex < endIndex) { |
| DrawDisplayListOp* casterOp = zTranslatedNodes[shadowIndex].value; |
| RenderNode* caster = casterOp->mDisplayList; |
| const float casterZ = zTranslatedNodes[shadowIndex].key; |
| // attempt to render the shadow if the caster about to be drawn is its caster, |
| // OR if its caster's Z value is similar to the previous potential caster |
| if (shadowIndex == drawIndex || casterZ - lastCasterZ < SHADOW_DELTA) { |
| |
| if (caster->properties().mAlpha > 0.0f) { |
| mat4 shadowMatrixXY(casterOp->mTransformFromParent); |
| caster->applyViewPropertyTransforms(shadowMatrixXY); |
| |
| // Z matrix needs actual 3d transformation, so mapped z values will be correct |
| mat4 shadowMatrixZ(casterOp->mTransformFromParent); |
| caster->applyViewPropertyTransforms(shadowMatrixZ, true); |
| |
| DisplayListOp* shadowOp = new (alloc) DrawShadowOp( |
| shadowMatrixXY, shadowMatrixZ, |
| caster->properties().mAlpha, &(caster->properties().mOutline), |
| caster->properties().mWidth, caster->properties().mHeight); |
| handler(shadowOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| } |
| |
| lastCasterZ = casterZ; // must do this even if current caster not casting a shadow |
| shadowIndex++; |
| continue; |
| } |
| } |
| |
| // only the actual child DL draw needs to be in save/restore, |
| // since it modifies the renderer's matrix |
| int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); |
| |
| DrawDisplayListOp* childOp = zTranslatedNodes[drawIndex].value; |
| RenderNode* child = childOp->mDisplayList; |
| |
| renderer.concatMatrix(childOp->mTransformFromParent); |
| childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone |
| handler(childOp, renderer.getSaveCount() - 1, properties().mClipToBounds); |
| childOp->mSkipInOrderDraw = true; |
| |
| renderer.restoreToCount(restoreTo); |
| drawIndex++; |
| } |
| handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| } |
| |
| template <class T> |
| void RenderNode::iterateProjectedChildren(OpenGLRenderer& renderer, T& handler, const int level) { |
| int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| LinearAllocator& alloc = handler.allocator(); |
| ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, properties().mWidth, properties().mHeight, |
| SkRegion::kReplace_Op); // clip to projection surface root bounds |
| handler(clipOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| |
| for (size_t i = 0; i < mProjectedNodes.size(); i++) { |
| DrawDisplayListOp* childOp = mProjectedNodes[i]; |
| |
| // matrix save, concat, and restore can be done safely without allocating operations |
| int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); |
| renderer.concatMatrix(childOp->mTransformFromCompositingAncestor); |
| childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone |
| handler(childOp, renderer.getSaveCount() - 1, properties().mClipToBounds); |
| childOp->mSkipInOrderDraw = true; |
| renderer.restoreToCount(restoreTo); |
| } |
| handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, properties().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 RenderNode::iterate(OpenGLRenderer& renderer, T& handler, const int level) { |
| if (CC_UNLIKELY(mDestroyed)) { // temporary debug logging |
| ALOGW("Error: %s is drawing after destruction", mName.string()); |
| CRASH(); |
| } |
| if (mDisplayListData->isEmpty() || properties().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, properties().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 = properties().mClipToBounds && renderer.quickRejectConservative(0, 0, properties().mWidth, properties().mHeight); |
| if (!quickRejected) { |
| Vector<ZDrawDisplayListOpPair> zTranslatedNodes; |
| buildZSortedChildList(zTranslatedNodes); |
| |
| // for 3d root, draw children with negative z values |
| iterate3dChildren(zTranslatedNodes, kNegativeZChildren, renderer, handler); |
| |
| DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); |
| const int saveCountOffset = renderer.getSaveCount() - 1; |
| const int projectionReceiveIndex = mDisplayListData->projectionReceiveIndex; |
| 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, properties().mClipToBounds); |
| |
| if (CC_UNLIKELY(i == projectionReceiveIndex && mProjectedNodes.size() > 0)) { |
| iterateProjectedChildren(renderer, handler, level); |
| } |
| } |
| |
| // for 3d root, draw children with positive z values |
| iterate3dChildren(zTranslatedNodes, kPositiveZChildren, renderer, handler); |
| } |
| |
| DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo); |
| handler(new (alloc) RestoreToCountOp(restoreTo), |
| PROPERTY_SAVECOUNT, properties().mClipToBounds); |
| renderer.setOverrideLayerAlpha(1.0f); |
| } |
| |
| } /* namespace uirenderer */ |
| } /* namespace android */ |