959 lines
39 KiB
C++
959 lines
39 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG ATRACE_TAG_VIEW
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#define LOG_TAG "OpenGLRenderer"
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#include "RenderNode.h"
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#include <algorithm>
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#include <string>
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#include <SkCanvas.h>
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#include <algorithm>
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#include "DamageAccumulator.h"
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#include "Debug.h"
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#include "DisplayListOp.h"
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#include "DisplayListLogBuffer.h"
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#include "LayerRenderer.h"
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#include "OpenGLRenderer.h"
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#include "utils/MathUtils.h"
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#include "utils/TraceUtils.h"
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#include "renderthread/CanvasContext.h"
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namespace android {
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namespace uirenderer {
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void RenderNode::outputLogBuffer(int fd) {
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DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance();
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if (logBuffer.isEmpty()) {
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return;
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}
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FILE *file = fdopen(fd, "a");
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fprintf(file, "\nRecent DisplayList operations\n");
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logBuffer.outputCommands(file);
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if (Caches::hasInstance()) {
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String8 cachesLog;
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Caches::getInstance().dumpMemoryUsage(cachesLog);
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fprintf(file, "\nCaches:\n%s\n", cachesLog.string());
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} else {
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fprintf(file, "\nNo caches instance.\n");
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}
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fflush(file);
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}
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void RenderNode::debugDumpLayers(const char* prefix) {
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if (mLayer) {
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ALOGD("%sNode %p (%s) has layer %p (fbo = %u, wasBuildLayered = %s)",
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prefix, this, getName(), mLayer, mLayer->getFbo(),
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mLayer->wasBuildLayered ? "true" : "false");
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}
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if (mDisplayListData) {
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for (size_t i = 0; i < mDisplayListData->children().size(); i++) {
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mDisplayListData->children()[i]->mRenderNode->debugDumpLayers(prefix);
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}
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}
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}
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RenderNode::RenderNode()
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: mDirtyPropertyFields(0)
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, mNeedsDisplayListDataSync(false)
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, mDisplayListData(0)
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, mStagingDisplayListData(0)
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, mAnimatorManager(*this)
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, mLayer(0)
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, mParentCount(0) {
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}
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RenderNode::~RenderNode() {
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deleteDisplayListData();
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delete mStagingDisplayListData;
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if (mLayer) {
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ALOGW("Memory Warning: Layer %p missed its detachment, held on to for far too long!", mLayer);
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mLayer->postDecStrong();
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mLayer = 0;
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}
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}
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void RenderNode::setStagingDisplayList(DisplayListData* data) {
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mNeedsDisplayListDataSync = true;
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delete mStagingDisplayListData;
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mStagingDisplayListData = data;
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}
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/**
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* This function is a simplified version of replay(), where we simply retrieve and log the
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* display list. This function should remain in sync with the replay() function.
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*/
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void RenderNode::output(uint32_t level) {
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ALOGD("%*sStart display list (%p, %s%s%s%s)", (level - 1) * 2, "", this,
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getName(),
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(properties().hasShadow() ? ", casting shadow" : ""),
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(isRenderable() ? "" : ", empty"),
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(mLayer != NULL ? ", on HW Layer" : ""));
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ALOGD("%*s%s %d", level * 2, "", "Save",
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SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
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properties().debugOutputProperties(level);
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int flags = DisplayListOp::kOpLogFlag_Recurse;
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if (mDisplayListData) {
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// TODO: consider printing the chunk boundaries here
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for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) {
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mDisplayListData->displayListOps[i]->output(level, flags);
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}
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}
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ALOGD("%*sDone (%p, %s)", (level - 1) * 2, "", this, getName());
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}
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int RenderNode::getDebugSize() {
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int size = sizeof(RenderNode);
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if (mStagingDisplayListData) {
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size += mStagingDisplayListData->getUsedSize();
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}
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if (mDisplayListData && mDisplayListData != mStagingDisplayListData) {
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size += mDisplayListData->getUsedSize();
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}
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return size;
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}
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void RenderNode::prepareTree(TreeInfo& info) {
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ATRACE_CALL();
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LOG_ALWAYS_FATAL_IF(!info.damageAccumulator, "DamageAccumulator missing");
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prepareTreeImpl(info);
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}
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void RenderNode::addAnimator(const sp<BaseRenderNodeAnimator>& animator) {
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mAnimatorManager.addAnimator(animator);
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}
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void RenderNode::damageSelf(TreeInfo& info) {
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if (isRenderable()) {
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if (properties().getClipDamageToBounds()) {
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info.damageAccumulator->dirty(0, 0, properties().getWidth(), properties().getHeight());
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} else {
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// Hope this is big enough?
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// TODO: Get this from the display list ops or something
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info.damageAccumulator->dirty(INT_MIN, INT_MIN, INT_MAX, INT_MAX);
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}
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}
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}
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void RenderNode::prepareLayer(TreeInfo& info, uint32_t dirtyMask) {
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LayerType layerType = properties().layerProperties().type();
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if (CC_UNLIKELY(layerType == kLayerTypeRenderLayer)) {
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// Damage applied so far needs to affect our parent, but does not require
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// the layer to be updated. So we pop/push here to clear out the current
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// damage and get a clean state for display list or children updates to
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// affect, which will require the layer to be updated
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info.damageAccumulator->popTransform();
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info.damageAccumulator->pushTransform(this);
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if (dirtyMask & DISPLAY_LIST) {
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damageSelf(info);
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}
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}
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}
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void RenderNode::pushLayerUpdate(TreeInfo& info) {
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LayerType layerType = properties().layerProperties().type();
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// If we are not a layer OR we cannot be rendered (eg, view was detached)
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// we need to destroy any Layers we may have had previously
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if (CC_LIKELY(layerType != kLayerTypeRenderLayer) || CC_UNLIKELY(!isRenderable())) {
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if (CC_UNLIKELY(mLayer)) {
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LayerRenderer::destroyLayer(mLayer);
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mLayer = NULL;
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}
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return;
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}
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bool transformUpdateNeeded = false;
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if (!mLayer) {
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mLayer = LayerRenderer::createRenderLayer(info.renderState, getWidth(), getHeight());
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applyLayerPropertiesToLayer(info);
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damageSelf(info);
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transformUpdateNeeded = true;
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} else if (mLayer->layer.getWidth() != getWidth() || mLayer->layer.getHeight() != getHeight()) {
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if (!LayerRenderer::resizeLayer(mLayer, getWidth(), getHeight())) {
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LayerRenderer::destroyLayer(mLayer);
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mLayer = 0;
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}
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damageSelf(info);
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transformUpdateNeeded = true;
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}
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SkRect dirty;
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info.damageAccumulator->peekAtDirty(&dirty);
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if (!mLayer) {
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Caches::getInstance().dumpMemoryUsage();
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if (info.errorHandler) {
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std::string msg = "Unable to create layer for ";
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msg += getName();
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info.errorHandler->onError(msg);
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}
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return;
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}
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if (transformUpdateNeeded) {
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// update the transform in window of the layer to reset its origin wrt light source position
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Matrix4 windowTransform;
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info.damageAccumulator->computeCurrentTransform(&windowTransform);
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mLayer->setWindowTransform(windowTransform);
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}
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if (dirty.intersect(0, 0, getWidth(), getHeight())) {
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dirty.roundOut();
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mLayer->updateDeferred(this, dirty.fLeft, dirty.fTop, dirty.fRight, dirty.fBottom);
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}
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// This is not inside the above if because we may have called
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// updateDeferred on a previous prepare pass that didn't have a renderer
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if (info.renderer && mLayer->deferredUpdateScheduled) {
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info.renderer->pushLayerUpdate(mLayer);
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}
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if (CC_UNLIKELY(info.canvasContext)) {
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// If canvasContext is not null that means there are prefetched layers
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// that need to be accounted for. That might be us, so tell CanvasContext
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// that this layer is in the tree and should not be destroyed.
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info.canvasContext->markLayerInUse(this);
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}
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}
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void RenderNode::prepareTreeImpl(TreeInfo& info) {
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info.damageAccumulator->pushTransform(this);
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if (info.mode == TreeInfo::MODE_FULL) {
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pushStagingPropertiesChanges(info);
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}
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uint32_t animatorDirtyMask = 0;
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if (CC_LIKELY(info.runAnimations)) {
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animatorDirtyMask = mAnimatorManager.animate(info);
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}
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prepareLayer(info, animatorDirtyMask);
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if (info.mode == TreeInfo::MODE_FULL) {
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pushStagingDisplayListChanges(info);
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}
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prepareSubTree(info, mDisplayListData);
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pushLayerUpdate(info);
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info.damageAccumulator->popTransform();
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}
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void RenderNode::pushStagingPropertiesChanges(TreeInfo& info) {
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// Push the animators first so that setupStartValueIfNecessary() is called
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// before properties() is trampled by stagingProperties(), as they are
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// required by some animators.
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if (CC_LIKELY(info.runAnimations)) {
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mAnimatorManager.pushStaging();
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}
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if (mDirtyPropertyFields) {
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mDirtyPropertyFields = 0;
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damageSelf(info);
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info.damageAccumulator->popTransform();
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mProperties = mStagingProperties;
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applyLayerPropertiesToLayer(info);
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// We could try to be clever and only re-damage if the matrix changed.
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// However, we don't need to worry about that. The cost of over-damaging
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// here is only going to be a single additional map rect of this node
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// plus a rect join(). The parent's transform (and up) will only be
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// performed once.
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info.damageAccumulator->pushTransform(this);
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damageSelf(info);
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}
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}
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void RenderNode::applyLayerPropertiesToLayer(TreeInfo& info) {
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if (CC_LIKELY(!mLayer)) return;
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const LayerProperties& props = properties().layerProperties();
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mLayer->setAlpha(props.alpha(), props.xferMode());
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mLayer->setColorFilter(props.colorFilter());
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mLayer->setBlend(props.needsBlending());
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}
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void RenderNode::pushStagingDisplayListChanges(TreeInfo& info) {
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if (mNeedsDisplayListDataSync) {
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mNeedsDisplayListDataSync = false;
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// Make sure we inc first so that we don't fluctuate between 0 and 1,
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// which would thrash the layer cache
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if (mStagingDisplayListData) {
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for (size_t i = 0; i < mStagingDisplayListData->children().size(); i++) {
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mStagingDisplayListData->children()[i]->mRenderNode->incParentRefCount();
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}
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}
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// Damage with the old display list first then the new one to catch any
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// changes in isRenderable or, in the future, bounds
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damageSelf(info);
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deleteDisplayListData();
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// TODO: Remove this caches stuff
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if (mStagingDisplayListData && mStagingDisplayListData->functors.size()) {
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Caches::getInstance().registerFunctors(mStagingDisplayListData->functors.size());
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}
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mDisplayListData = mStagingDisplayListData;
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mStagingDisplayListData = NULL;
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if (mDisplayListData) {
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for (size_t i = 0; i < mDisplayListData->functors.size(); i++) {
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(*mDisplayListData->functors[i])(DrawGlInfo::kModeSync, NULL);
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}
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}
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damageSelf(info);
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}
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}
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void RenderNode::deleteDisplayListData() {
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if (mDisplayListData) {
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for (size_t i = 0; i < mDisplayListData->children().size(); i++) {
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mDisplayListData->children()[i]->mRenderNode->decParentRefCount();
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}
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if (mDisplayListData->functors.size()) {
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Caches::getInstance().unregisterFunctors(mDisplayListData->functors.size());
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}
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}
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delete mDisplayListData;
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mDisplayListData = NULL;
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}
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void RenderNode::prepareSubTree(TreeInfo& info, DisplayListData* subtree) {
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if (subtree) {
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TextureCache& cache = Caches::getInstance().textureCache;
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info.out.hasFunctors |= subtree->functors.size();
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// TODO: Fix ownedBitmapResources to not require disabling prepareTextures
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// and thus falling out of async drawing path.
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if (subtree->ownedBitmapResources.size()) {
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info.prepareTextures = false;
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}
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for (size_t i = 0; info.prepareTextures && i < subtree->bitmapResources.size(); i++) {
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info.prepareTextures = cache.prefetchAndMarkInUse(subtree->bitmapResources[i]);
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}
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for (size_t i = 0; i < subtree->children().size(); i++) {
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DrawRenderNodeOp* op = subtree->children()[i];
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RenderNode* childNode = op->mRenderNode;
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info.damageAccumulator->pushTransform(&op->mTransformFromParent);
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childNode->prepareTreeImpl(info);
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info.damageAccumulator->popTransform();
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}
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}
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}
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void RenderNode::destroyHardwareResources() {
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if (mLayer) {
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LayerRenderer::destroyLayer(mLayer);
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mLayer = NULL;
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}
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if (mDisplayListData) {
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for (size_t i = 0; i < mDisplayListData->children().size(); i++) {
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mDisplayListData->children()[i]->mRenderNode->destroyHardwareResources();
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}
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if (mNeedsDisplayListDataSync) {
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// Next prepare tree we are going to push a new display list, so we can
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// drop our current one now
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deleteDisplayListData();
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}
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}
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}
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void RenderNode::decParentRefCount() {
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LOG_ALWAYS_FATAL_IF(!mParentCount, "already 0!");
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mParentCount--;
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if (!mParentCount) {
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// If a child of ours is being attached to our parent then this will incorrectly
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// destroy its hardware resources. However, this situation is highly unlikely
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// and the failure is "just" that the layer is re-created, so this should
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// be safe enough
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destroyHardwareResources();
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}
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}
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/*
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* For property operations, we pass a savecount of 0, since the operations aren't part of the
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* displaylist, and thus don't have to compensate for the record-time/playback-time discrepancy in
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* base saveCount (i.e., how RestoreToCount uses saveCount + properties().getCount())
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*/
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#define PROPERTY_SAVECOUNT 0
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template <class T>
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void RenderNode::setViewProperties(OpenGLRenderer& renderer, T& handler) {
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#if DEBUG_DISPLAY_LIST
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properties().debugOutputProperties(handler.level() + 1);
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#endif
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if (properties().getLeft() != 0 || properties().getTop() != 0) {
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renderer.translate(properties().getLeft(), properties().getTop());
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}
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if (properties().getStaticMatrix()) {
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renderer.concatMatrix(*properties().getStaticMatrix());
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} else if (properties().getAnimationMatrix()) {
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renderer.concatMatrix(*properties().getAnimationMatrix());
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}
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if (properties().hasTransformMatrix()) {
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if (properties().isTransformTranslateOnly()) {
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renderer.translate(properties().getTranslationX(), properties().getTranslationY());
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} else {
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renderer.concatMatrix(*properties().getTransformMatrix());
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}
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}
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const bool isLayer = properties().layerProperties().type() != kLayerTypeNone;
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int clipFlags = properties().getClippingFlags();
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if (properties().getAlpha() < 1) {
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if (isLayer) {
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clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer
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renderer.setOverrideLayerAlpha(properties().getAlpha());
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} else if (!properties().getHasOverlappingRendering()) {
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renderer.scaleAlpha(properties().getAlpha());
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} else {
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Rect layerBounds(0, 0, getWidth(), getHeight());
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int saveFlags = SkCanvas::kHasAlphaLayer_SaveFlag;
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if (clipFlags) {
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saveFlags |= SkCanvas::kClipToLayer_SaveFlag;
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properties().getClippingRectForFlags(clipFlags, &layerBounds);
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clipFlags = 0; // all clipping done by saveLayer
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}
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ATRACE_FORMAT("%s alpha caused %ssaveLayer %dx%d",
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getName(), clipFlags ? "" : "unclipped ",
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(int)layerBounds.getWidth(), (int)layerBounds.getHeight());
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SaveLayerOp* op = new (handler.allocator()) SaveLayerOp(
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layerBounds.left, layerBounds.top, layerBounds.right, layerBounds.bottom,
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properties().getAlpha() * 255, saveFlags);
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handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds());
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}
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}
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if (clipFlags) {
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Rect clipRect;
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properties().getClippingRectForFlags(clipFlags, &clipRect);
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ClipRectOp* op = new (handler.allocator()) ClipRectOp(
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clipRect.left, clipRect.top, clipRect.right, clipRect.bottom,
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SkRegion::kIntersect_Op);
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handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds());
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}
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// TODO: support nesting round rect clips
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if (mProperties.getRevealClip().willClip()) {
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Rect bounds;
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mProperties.getRevealClip().getBounds(&bounds);
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renderer.setClippingRoundRect(handler.allocator(), bounds, mProperties.getRevealClip().getRadius());
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} else if (mProperties.getOutline().willClip()) {
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renderer.setClippingOutline(handler.allocator(), &(mProperties.getOutline()));
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}
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}
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/**
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* Apply property-based transformations to input matrix
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*
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* If true3dTransform is set to true, the transform applied to the input matrix will use true 4x4
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* matrix computation instead of the Skia 3x3 matrix + camera hackery.
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*/
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void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) const {
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if (properties().getLeft() != 0 || properties().getTop() != 0) {
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matrix.translate(properties().getLeft(), properties().getTop());
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}
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if (properties().getStaticMatrix()) {
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mat4 stat(*properties().getStaticMatrix());
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matrix.multiply(stat);
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} else if (properties().getAnimationMatrix()) {
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mat4 anim(*properties().getAnimationMatrix());
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matrix.multiply(anim);
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}
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bool applyTranslationZ = true3dTransform && !MathUtils::isZero(properties().getZ());
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if (properties().hasTransformMatrix() || applyTranslationZ) {
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if (properties().isTransformTranslateOnly()) {
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matrix.translate(properties().getTranslationX(), properties().getTranslationY(),
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true3dTransform ? properties().getZ() : 0.0f);
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} else {
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if (!true3dTransform) {
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matrix.multiply(*properties().getTransformMatrix());
|
|
} else {
|
|
mat4 true3dMat;
|
|
true3dMat.loadTranslate(
|
|
properties().getPivotX() + properties().getTranslationX(),
|
|
properties().getPivotY() + properties().getTranslationY(),
|
|
properties().getZ());
|
|
true3dMat.rotate(properties().getRotationX(), 1, 0, 0);
|
|
true3dMat.rotate(properties().getRotationY(), 0, 1, 0);
|
|
true3dMat.rotate(properties().getRotation(), 0, 0, 1);
|
|
true3dMat.scale(properties().getScaleX(), properties().getScaleY(), 1);
|
|
true3dMat.translate(-properties().getPivotX(), -properties().getPivotY());
|
|
|
|
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++) {
|
|
DrawRenderNodeOp* childOp = mDisplayListData->children()[i];
|
|
childOp->mRenderNode->computeOrderingImpl(childOp,
|
|
properties().getOutline().getPath(), &mProjectedNodes, &mat4::identity());
|
|
}
|
|
}
|
|
|
|
void RenderNode::computeOrderingImpl(
|
|
DrawRenderNodeOp* opState,
|
|
const SkPath* outlineOfProjectionSurface,
|
|
Vector<DrawRenderNodeOp*>* 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().getProjectBackwards()) {
|
|
// 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++) {
|
|
DrawRenderNodeOp* childOp = mDisplayListData->children()[i];
|
|
RenderNode* child = childOp->mRenderNode;
|
|
|
|
const SkPath* projectionOutline = NULL;
|
|
Vector<DrawRenderNodeOp*>* projectionChildren = NULL;
|
|
const mat4* projectionTransform = NULL;
|
|
if (isProjectionReceiver && !child->properties().getProjectBackwards()) {
|
|
// 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.
|
|
projectionOutline = properties().getOutline().getPath();
|
|
projectionChildren = &mProjectedNodes;
|
|
projectionTransform = &mat4::identity();
|
|
} else {
|
|
if (!haveAppliedPropertiesToProjection) {
|
|
applyViewPropertyTransforms(localTransformFromProjectionSurface);
|
|
haveAppliedPropertiesToProjection = true;
|
|
}
|
|
projectionOutline = outlineOfProjectionSurface;
|
|
projectionChildren = compositedChildrenOfProjectionSurface;
|
|
projectionTransform = &localTransformFromProjectionSurface;
|
|
}
|
|
child->computeOrderingImpl(childOp,
|
|
projectionOutline, 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); }
|
|
inline void startMark(const char* name) {} // do nothing
|
|
inline void endMark() {}
|
|
inline int level() { return mLevel; }
|
|
inline int replayFlags() { return mDeferStruct.mReplayFlags; }
|
|
inline SkPath* allocPathForFrame() { return mDeferStruct.allocPathForFrame(); }
|
|
|
|
private:
|
|
DeferStateStruct& mDeferStruct;
|
|
const int mLevel;
|
|
};
|
|
|
|
void RenderNode::defer(DeferStateStruct& deferStruct, const int level) {
|
|
DeferOperationHandler handler(deferStruct, level);
|
|
issueOperations<DeferOperationHandler>(deferStruct.mRenderer, handler);
|
|
}
|
|
|
|
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); }
|
|
inline void startMark(const char* name) {
|
|
mReplayStruct.mRenderer.startMark(name);
|
|
}
|
|
inline void endMark() {
|
|
mReplayStruct.mRenderer.endMark();
|
|
}
|
|
inline int level() { return mLevel; }
|
|
inline int replayFlags() { return mReplayStruct.mReplayFlags; }
|
|
inline SkPath* allocPathForFrame() { return mReplayStruct.allocPathForFrame(); }
|
|
|
|
private:
|
|
ReplayStateStruct& mReplayStruct;
|
|
const int mLevel;
|
|
};
|
|
|
|
void RenderNode::replay(ReplayStateStruct& replayStruct, const int level) {
|
|
ReplayOperationHandler handler(replayStruct, level);
|
|
issueOperations<ReplayOperationHandler>(replayStruct.mRenderer, handler);
|
|
}
|
|
|
|
void RenderNode::buildZSortedChildList(const DisplayListData::Chunk& chunk,
|
|
Vector<ZDrawRenderNodeOpPair>& zTranslatedNodes) {
|
|
if (chunk.beginChildIndex == chunk.endChildIndex) return;
|
|
|
|
for (unsigned int i = chunk.beginChildIndex; i < chunk.endChildIndex; i++) {
|
|
DrawRenderNodeOp* childOp = mDisplayListData->children()[i];
|
|
RenderNode* child = childOp->mRenderNode;
|
|
float childZ = child->properties().getZ();
|
|
|
|
if (!MathUtils::isZero(childZ) && chunk.reorderChildren) {
|
|
zTranslatedNodes.add(ZDrawRenderNodeOpPair(childZ, childOp));
|
|
childOp->mSkipInOrderDraw = true;
|
|
} else if (!child->properties().getProjectBackwards()) {
|
|
// regular, in order drawing DisplayList
|
|
childOp->mSkipInOrderDraw = false;
|
|
}
|
|
}
|
|
|
|
// Z sort any 3d children (stable-ness makes z compare fall back to standard drawing order)
|
|
std::stable_sort(zTranslatedNodes.begin(), zTranslatedNodes.end());
|
|
}
|
|
|
|
template <class T>
|
|
void RenderNode::issueDrawShadowOperation(const Matrix4& transformFromParent, T& handler) {
|
|
if (properties().getAlpha() <= 0.0f
|
|
|| properties().getOutline().getAlpha() <= 0.0f
|
|
|| !properties().getOutline().getPath()) {
|
|
// no shadow to draw
|
|
return;
|
|
}
|
|
|
|
mat4 shadowMatrixXY(transformFromParent);
|
|
applyViewPropertyTransforms(shadowMatrixXY);
|
|
|
|
// Z matrix needs actual 3d transformation, so mapped z values will be correct
|
|
mat4 shadowMatrixZ(transformFromParent);
|
|
applyViewPropertyTransforms(shadowMatrixZ, true);
|
|
|
|
const SkPath* casterOutlinePath = properties().getOutline().getPath();
|
|
const SkPath* revealClipPath = properties().getRevealClip().getPath();
|
|
if (revealClipPath && revealClipPath->isEmpty()) return;
|
|
|
|
float casterAlpha = properties().getAlpha() * properties().getOutline().getAlpha();
|
|
|
|
|
|
// holds temporary SkPath to store the result of intersections
|
|
SkPath* frameAllocatedPath = NULL;
|
|
const SkPath* outlinePath = casterOutlinePath;
|
|
|
|
// intersect the outline with the reveal clip, if present
|
|
if (revealClipPath) {
|
|
frameAllocatedPath = handler.allocPathForFrame();
|
|
|
|
Op(*outlinePath, *revealClipPath, kIntersect_PathOp, frameAllocatedPath);
|
|
outlinePath = frameAllocatedPath;
|
|
}
|
|
|
|
// intersect the outline with the clipBounds, if present
|
|
if (properties().getClippingFlags() & CLIP_TO_CLIP_BOUNDS) {
|
|
if (!frameAllocatedPath) {
|
|
frameAllocatedPath = handler.allocPathForFrame();
|
|
}
|
|
|
|
Rect clipBounds;
|
|
properties().getClippingRectForFlags(CLIP_TO_CLIP_BOUNDS, &clipBounds);
|
|
SkPath clipBoundsPath;
|
|
clipBoundsPath.addRect(clipBounds.left, clipBounds.top,
|
|
clipBounds.right, clipBounds.bottom);
|
|
|
|
Op(*outlinePath, clipBoundsPath, kIntersect_PathOp, frameAllocatedPath);
|
|
outlinePath = frameAllocatedPath;
|
|
}
|
|
|
|
DisplayListOp* shadowOp = new (handler.allocator()) DrawShadowOp(
|
|
shadowMatrixXY, shadowMatrixZ, casterAlpha, outlinePath);
|
|
handler(shadowOp, PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
}
|
|
|
|
#define SHADOW_DELTA 0.1f
|
|
|
|
template <class T>
|
|
void RenderNode::issueOperationsOf3dChildren(ChildrenSelectMode mode,
|
|
const Matrix4& initialTransform, const Vector<ZDrawRenderNodeOpPair>& zTranslatedNodes,
|
|
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;
|
|
}
|
|
|
|
// Apply the base transform of the parent of the 3d children. This isolates
|
|
// 3d children of the current chunk from transformations made in previous chunks.
|
|
int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag);
|
|
renderer.setMatrix(initialTransform);
|
|
|
|
/**
|
|
* 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
|
|
}
|
|
|
|
DISPLAY_LIST_LOGD("%*s%d %s 3d children:", (handler.level() + 1) * 2, "",
|
|
endIndex - drawIndex, mode == kNegativeZChildren ? "negative" : "positive");
|
|
|
|
float lastCasterZ = 0.0f;
|
|
while (shadowIndex < endIndex || drawIndex < endIndex) {
|
|
if (shadowIndex < endIndex) {
|
|
DrawRenderNodeOp* casterOp = zTranslatedNodes[shadowIndex].value;
|
|
RenderNode* caster = casterOp->mRenderNode;
|
|
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) {
|
|
caster->issueDrawShadowOperation(casterOp->mTransformFromParent, handler);
|
|
|
|
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);
|
|
|
|
DrawRenderNodeOp* childOp = zTranslatedNodes[drawIndex].value;
|
|
RenderNode* child = childOp->mRenderNode;
|
|
|
|
renderer.concatMatrix(childOp->mTransformFromParent);
|
|
childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone
|
|
handler(childOp, renderer.getSaveCount() - 1, properties().getClipToBounds());
|
|
childOp->mSkipInOrderDraw = true;
|
|
|
|
renderer.restoreToCount(restoreTo);
|
|
drawIndex++;
|
|
}
|
|
renderer.restoreToCount(rootRestoreTo);
|
|
}
|
|
|
|
template <class T>
|
|
void RenderNode::issueOperationsOfProjectedChildren(OpenGLRenderer& renderer, T& handler) {
|
|
DISPLAY_LIST_LOGD("%*s%d projected children:", (handler.level() + 1) * 2, "", mProjectedNodes.size());
|
|
const SkPath* projectionReceiverOutline = properties().getOutline().getPath();
|
|
int restoreTo = renderer.getSaveCount();
|
|
|
|
LinearAllocator& alloc = handler.allocator();
|
|
handler(new (alloc) SaveOp(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag),
|
|
PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
|
|
// Transform renderer to match background we're projecting onto
|
|
// (by offsetting canvas by translationX/Y of background rendernode, since only those are set)
|
|
const DisplayListOp* op =
|
|
(mDisplayListData->displayListOps[mDisplayListData->projectionReceiveIndex]);
|
|
const DrawRenderNodeOp* backgroundOp = reinterpret_cast<const DrawRenderNodeOp*>(op);
|
|
const RenderProperties& backgroundProps = backgroundOp->mRenderNode->properties();
|
|
renderer.translate(backgroundProps.getTranslationX(), backgroundProps.getTranslationY());
|
|
|
|
// If the projection reciever has an outline, we mask each of the projected rendernodes to it
|
|
// Either with clipRect, or special saveLayer masking
|
|
if (projectionReceiverOutline != NULL) {
|
|
const SkRect& outlineBounds = projectionReceiverOutline->getBounds();
|
|
if (projectionReceiverOutline->isRect(NULL)) {
|
|
// mask to the rect outline simply with clipRect
|
|
ClipRectOp* clipOp = new (alloc) ClipRectOp(
|
|
outlineBounds.left(), outlineBounds.top(),
|
|
outlineBounds.right(), outlineBounds.bottom(), SkRegion::kIntersect_Op);
|
|
handler(clipOp, PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
} else {
|
|
// wrap the projected RenderNodes with a SaveLayer that will mask to the outline
|
|
SaveLayerOp* op = new (alloc) SaveLayerOp(
|
|
outlineBounds.left(), outlineBounds.top(),
|
|
outlineBounds.right(), outlineBounds.bottom(),
|
|
255, SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag | SkCanvas::kARGB_ClipLayer_SaveFlag);
|
|
op->setMask(projectionReceiverOutline);
|
|
handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
|
|
/* TODO: add optimizations here to take advantage of placement/size of projected
|
|
* children (which may shrink saveLayer area significantly). This is dependent on
|
|
* passing actual drawing/dirtying bounds of projected content down to native.
|
|
*/
|
|
}
|
|
}
|
|
|
|
// draw projected nodes
|
|
for (size_t i = 0; i < mProjectedNodes.size(); i++) {
|
|
DrawRenderNodeOp* 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().getClipToBounds());
|
|
childOp->mSkipInOrderDraw = true;
|
|
renderer.restoreToCount(restoreTo);
|
|
}
|
|
|
|
if (projectionReceiverOutline != NULL) {
|
|
handler(new (alloc) RestoreToCountOp(restoreTo),
|
|
PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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::issueOperations(OpenGLRenderer& renderer, T& handler) {
|
|
const int level = handler.level();
|
|
if (mDisplayListData->isEmpty()) {
|
|
DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, getName());
|
|
return;
|
|
}
|
|
|
|
const bool drawLayer = (mLayer && (&renderer != mLayer->renderer));
|
|
// If we are updating the contents of mLayer, we don't want to apply any of
|
|
// the RenderNode's properties to this issueOperations pass. Those will all
|
|
// be applied when the layer is drawn, aka when this is true.
|
|
const bool useViewProperties = (!mLayer || drawLayer);
|
|
if (useViewProperties) {
|
|
const Outline& outline = properties().getOutline();
|
|
if (properties().getAlpha() <= 0 || (outline.getShouldClip() && outline.isEmpty())) {
|
|
DISPLAY_LIST_LOGD("%*sRejected display list (%p, %s)", level * 2, "", this, getName());
|
|
return;
|
|
}
|
|
}
|
|
|
|
handler.startMark(getName());
|
|
|
|
#if DEBUG_DISPLAY_LIST
|
|
const Rect& clipRect = renderer.getLocalClipBounds();
|
|
DISPLAY_LIST_LOGD("%*sStart display list (%p, %s), localClipBounds: %.0f, %.0f, %.0f, %.0f",
|
|
level * 2, "", this, getName(),
|
|
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().getClipToBounds());
|
|
|
|
DISPLAY_LIST_LOGD("%*sSave %d %d", (level + 1) * 2, "",
|
|
SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag, restoreTo);
|
|
|
|
if (useViewProperties) {
|
|
setViewProperties<T>(renderer, handler);
|
|
}
|
|
|
|
bool quickRejected = properties().getClipToBounds()
|
|
&& renderer.quickRejectConservative(0, 0, properties().getWidth(), properties().getHeight());
|
|
if (!quickRejected) {
|
|
Matrix4 initialTransform(*(renderer.currentTransform()));
|
|
|
|
if (drawLayer) {
|
|
handler(new (alloc) DrawLayerOp(mLayer, 0, 0),
|
|
renderer.getSaveCount() - 1, properties().getClipToBounds());
|
|
} else {
|
|
const int saveCountOffset = renderer.getSaveCount() - 1;
|
|
const int projectionReceiveIndex = mDisplayListData->projectionReceiveIndex;
|
|
DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance();
|
|
for (size_t chunkIndex = 0; chunkIndex < mDisplayListData->getChunks().size(); chunkIndex++) {
|
|
const DisplayListData::Chunk& chunk = mDisplayListData->getChunks()[chunkIndex];
|
|
|
|
Vector<ZDrawRenderNodeOpPair> zTranslatedNodes;
|
|
buildZSortedChildList(chunk, zTranslatedNodes);
|
|
|
|
issueOperationsOf3dChildren(kNegativeZChildren,
|
|
initialTransform, zTranslatedNodes, renderer, handler);
|
|
|
|
|
|
for (int opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) {
|
|
DisplayListOp *op = mDisplayListData->displayListOps[opIndex];
|
|
#if DEBUG_DISPLAY_LIST
|
|
op->output(level + 1);
|
|
#endif
|
|
logBuffer.writeCommand(level, op->name());
|
|
handler(op, saveCountOffset, properties().getClipToBounds());
|
|
|
|
if (CC_UNLIKELY(!mProjectedNodes.isEmpty() && opIndex == projectionReceiveIndex)) {
|
|
issueOperationsOfProjectedChildren(renderer, handler);
|
|
}
|
|
}
|
|
|
|
issueOperationsOf3dChildren(kPositiveZChildren,
|
|
initialTransform, zTranslatedNodes, renderer, handler);
|
|
}
|
|
}
|
|
}
|
|
|
|
DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo);
|
|
handler(new (alloc) RestoreToCountOp(restoreTo),
|
|
PROPERTY_SAVECOUNT, properties().getClipToBounds());
|
|
renderer.setOverrideLayerAlpha(1.0f);
|
|
|
|
DISPLAY_LIST_LOGD("%*sDone (%p, %s)", level * 2, "", this, getName());
|
|
handler.endMark();
|
|
}
|
|
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|