diff options
author | Xin Li <delphij@google.com> | 2020-08-31 21:21:38 -0700 |
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committer | Xin Li <delphij@google.com> | 2020-08-31 21:21:38 -0700 |
commit | 628590d7ec80e10a3fc24b1c18a1afb55cca10a8 (patch) | |
tree | 4b1c3f52d86d7fb53afbe9e9438468588fa489f8 /libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp | |
parent | b11b8ec3aec8bb42f2c07e1c5ac7942da293baa8 (diff) | |
parent | d2d3a20624d968199353ccf6ddbae6f3ac39c9af (diff) |
Merge Android R (rvc-dev-plus-aosp-without-vendor@6692709)
Bug: 166295507
Merged-In: I3d92a6de21a938f6b352ec26dc23420c0fe02b27
Change-Id: Ifdb80563ef042738778ebb8a7581a97c4e3d96e2
Diffstat (limited to 'libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp')
-rw-r--r-- | libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp b/libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp deleted file mode 100644 index e783f389feb8..000000000000 --- a/libs/hwui/pipeline/skia/VectorDrawableAtlas.cpp +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright (C) 2017 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "VectorDrawableAtlas.h" - -#include <GrRectanizer_pow2.h> -#include <SkCanvas.h> -#include <cmath> -#include "renderthread/RenderProxy.h" -#include "renderthread/RenderThread.h" -#include "utils/TraceUtils.h" - -namespace android { -namespace uirenderer { -namespace skiapipeline { - -VectorDrawableAtlas::VectorDrawableAtlas(size_t surfaceArea, StorageMode storageMode) - : mWidth((int)std::sqrt(surfaceArea)) - , mHeight((int)std::sqrt(surfaceArea)) - , mStorageMode(storageMode) {} - -void VectorDrawableAtlas::prepareForDraw(GrContext* context) { - if (StorageMode::allowSharedSurface == mStorageMode) { - if (!mSurface) { - mSurface = createSurface(mWidth, mHeight, context); - mRectanizer = std::make_unique<GrRectanizerPow2>(mWidth, mHeight); - mPixelUsedByVDs = 0; - mPixelAllocated = 0; - mConsecutiveFailures = 0; - mFreeRects.clear(); - } else { - if (isFragmented()) { - // Invoke repack outside renderFrame to avoid jank. - renderthread::RenderProxy::repackVectorDrawableAtlas(); - } - } - } -} - -#define MAX_CONSECUTIVE_FAILURES 5 -#define MAX_UNUSED_RATIO 2.0f - -bool VectorDrawableAtlas::isFragmented() { - return mConsecutiveFailures > MAX_CONSECUTIVE_FAILURES && - mPixelUsedByVDs * MAX_UNUSED_RATIO < mPixelAllocated; -} - -void VectorDrawableAtlas::repackIfNeeded(GrContext* context) { - // We repackage when atlas failed to allocate space MAX_CONSECUTIVE_FAILURES consecutive - // times and the atlas allocated pixels are at least MAX_UNUSED_RATIO times higher than pixels - // used by atlas VDs. - if (isFragmented() && mSurface) { - repack(context); - } -} - -// compare to CacheEntry objects based on VD area. -bool VectorDrawableAtlas::compareCacheEntry(const CacheEntry& first, const CacheEntry& second) { - return first.VDrect.width() * first.VDrect.height() < - second.VDrect.width() * second.VDrect.height(); -} - -void VectorDrawableAtlas::repack(GrContext* context) { - ATRACE_CALL(); - sk_sp<SkSurface> newSurface; - SkCanvas* canvas = nullptr; - if (StorageMode::allowSharedSurface == mStorageMode) { - newSurface = createSurface(mWidth, mHeight, context); - if (!newSurface) { - return; - } - canvas = newSurface->getCanvas(); - canvas->clear(SK_ColorTRANSPARENT); - mRectanizer = std::make_unique<GrRectanizerPow2>(mWidth, mHeight); - } else { - if (!mSurface) { - return; // nothing to repack - } - mRectanizer.reset(); - } - mFreeRects.clear(); - SkImage* sourceImageAtlas = nullptr; - if (mSurface) { - sourceImageAtlas = mSurface->makeImageSnapshot().get(); - } - - // Sort the list by VD size, which allows for the smallest VDs to get first in the atlas. - // Sorting is safe, because it does not affect iterator validity. - if (mRects.size() <= 100) { - mRects.sort(compareCacheEntry); - } - - for (CacheEntry& entry : mRects) { - SkRect currentVDRect = entry.VDrect; - SkImage* sourceImage; // copy either from the atlas or from a standalone surface - if (entry.surface) { - if (!fitInAtlas(currentVDRect.width(), currentVDRect.height())) { - continue; // don't even try to repack huge VD - } - sourceImage = entry.surface->makeImageSnapshot().get(); - } else { - sourceImage = sourceImageAtlas; - } - size_t VDRectArea = currentVDRect.width() * currentVDRect.height(); - SkIPoint16 pos; - if (canvas && mRectanizer->addRect(currentVDRect.width(), currentVDRect.height(), &pos)) { - SkRect newRect = - SkRect::MakeXYWH(pos.fX, pos.fY, currentVDRect.width(), currentVDRect.height()); - canvas->drawImageRect(sourceImage, currentVDRect, newRect, nullptr); - entry.VDrect = newRect; - entry.rect = newRect; - if (entry.surface) { - // A rectangle moved from a standalone surface to the atlas. - entry.surface = nullptr; - mPixelUsedByVDs += VDRectArea; - } - } else { - // Repack failed for this item. If it is not already, store it in a standalone - // surface. - if (!entry.surface) { - // A rectangle moved from an atlas to a standalone surface. - mPixelUsedByVDs -= VDRectArea; - SkRect newRect = SkRect::MakeWH(currentVDRect.width(), currentVDRect.height()); - entry.surface = createSurface(newRect.width(), newRect.height(), context); - auto tempCanvas = entry.surface->getCanvas(); - tempCanvas->clear(SK_ColorTRANSPARENT); - tempCanvas->drawImageRect(sourceImageAtlas, currentVDRect, newRect, nullptr); - entry.VDrect = newRect; - entry.rect = newRect; - } - } - } - mPixelAllocated = mPixelUsedByVDs; - context->flush(); - mSurface = newSurface; - mConsecutiveFailures = 0; -} - -AtlasEntry VectorDrawableAtlas::requestNewEntry(int width, int height, GrContext* context) { - AtlasEntry result; - if (width <= 0 || height <= 0) { - return result; - } - - if (mSurface) { - const size_t area = width * height; - - // Use a rectanizer to allocate unused space from the atlas surface. - bool notTooBig = fitInAtlas(width, height); - SkIPoint16 pos; - if (notTooBig && mRectanizer->addRect(width, height, &pos)) { - mPixelUsedByVDs += area; - mPixelAllocated += area; - result.rect = SkRect::MakeXYWH(pos.fX, pos.fY, width, height); - result.surface = mSurface; - auto eraseIt = mRects.emplace(mRects.end(), result.rect, result.rect, nullptr); - CacheEntry* entry = &(*eraseIt); - entry->eraseIt = eraseIt; - result.key = reinterpret_cast<AtlasKey>(entry); - mConsecutiveFailures = 0; - return result; - } - - // Try to reuse atlas memory from rectangles freed by "releaseEntry". - auto freeRectIt = mFreeRects.lower_bound(area); - while (freeRectIt != mFreeRects.end()) { - SkRect& freeRect = freeRectIt->second; - if (freeRect.width() >= width && freeRect.height() >= height) { - result.rect = SkRect::MakeXYWH(freeRect.fLeft, freeRect.fTop, width, height); - result.surface = mSurface; - auto eraseIt = mRects.emplace(mRects.end(), result.rect, freeRect, nullptr); - CacheEntry* entry = &(*eraseIt); - entry->eraseIt = eraseIt; - result.key = reinterpret_cast<AtlasKey>(entry); - mPixelUsedByVDs += area; - mFreeRects.erase(freeRectIt); - mConsecutiveFailures = 0; - return result; - } - freeRectIt++; - } - - if (notTooBig && mConsecutiveFailures <= MAX_CONSECUTIVE_FAILURES) { - mConsecutiveFailures++; - } - } - - // Allocate a surface for a rectangle that is too big or if atlas is full. - if (nullptr != context) { - result.rect = SkRect::MakeWH(width, height); - result.surface = createSurface(width, height, context); - auto eraseIt = mRects.emplace(mRects.end(), result.rect, result.rect, result.surface); - CacheEntry* entry = &(*eraseIt); - entry->eraseIt = eraseIt; - result.key = reinterpret_cast<AtlasKey>(entry); - } - - return result; -} - -AtlasEntry VectorDrawableAtlas::getEntry(AtlasKey atlasKey) { - AtlasEntry result; - if (INVALID_ATLAS_KEY != atlasKey) { - CacheEntry* entry = reinterpret_cast<CacheEntry*>(atlasKey); - result.rect = entry->VDrect; - result.surface = entry->surface; - if (!result.surface) { - result.surface = mSurface; - } - result.key = atlasKey; - } - return result; -} - -void VectorDrawableAtlas::releaseEntry(AtlasKey atlasKey) { - if (INVALID_ATLAS_KEY != atlasKey) { - if (!renderthread::RenderThread::isCurrent()) { - { - AutoMutex _lock(mReleaseKeyLock); - mKeysForRelease.push_back(atlasKey); - } - // invoke releaseEntry on the renderthread - renderthread::RenderProxy::releaseVDAtlasEntries(); - return; - } - CacheEntry* entry = reinterpret_cast<CacheEntry*>(atlasKey); - if (!entry->surface) { - // Store freed atlas rectangles in "mFreeRects" and try to reuse them later, when atlas - // is full. - SkRect& removedRect = entry->rect; - size_t rectArea = removedRect.width() * removedRect.height(); - mFreeRects.emplace(rectArea, removedRect); - SkRect& removedVDRect = entry->VDrect; - size_t VDRectArea = removedVDRect.width() * removedVDRect.height(); - mPixelUsedByVDs -= VDRectArea; - mConsecutiveFailures = 0; - } - auto eraseIt = entry->eraseIt; - mRects.erase(eraseIt); - } -} - -void VectorDrawableAtlas::delayedReleaseEntries() { - AutoMutex _lock(mReleaseKeyLock); - for (auto key : mKeysForRelease) { - releaseEntry(key); - } - mKeysForRelease.clear(); -} - -sk_sp<SkSurface> VectorDrawableAtlas::createSurface(int width, int height, GrContext* context) { - SkImageInfo info = SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType); - // This must have a top-left origin so that calls to surface->canvas->writePixels - // performs a basic texture upload instead of a more complex drawing operation - return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, 0, kTopLeft_GrSurfaceOrigin, - nullptr); -} - -void VectorDrawableAtlas::setStorageMode(StorageMode mode) { - mStorageMode = mode; - if (StorageMode::disallowSharedSurface == mStorageMode && mSurface) { - mSurface.reset(); - mRectanizer.reset(); - mFreeRects.clear(); - } -} - -} /* namespace skiapipeline */ -} /* namespace uirenderer */ -} /* namespace android */ |