86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/*
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* Copyright (C) 2017 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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#include <gtest/gtest.h>
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#include "renderthread/CacheManager.h"
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#include "renderthread/EglManager.h"
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#include "tests/common/TestUtils.h"
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#include <SkImagePriv.h>
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using namespace android;
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using namespace android::uirenderer;
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using namespace android::uirenderer::renderthread;
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static size_t getCacheUsage(GrDirectContext* grContext) {
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size_t cacheUsage;
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grContext->getResourceCacheUsage(nullptr, &cacheUsage);
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return cacheUsage;
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}
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RENDERTHREAD_SKIA_PIPELINE_TEST(CacheManager, trimMemory) {
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int32_t width = DeviceInfo::get()->getWidth();
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int32_t height = DeviceInfo::get()->getHeight();
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GrDirectContext* grContext = renderThread.getGrContext();
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ASSERT_TRUE(grContext != nullptr);
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// create pairs of offscreen render targets and images until we exceed the
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// backgroundCacheSizeLimit
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std::vector<sk_sp<SkSurface>> surfaces;
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while (getCacheUsage(grContext) <= renderThread.cacheManager().getBackgroundCacheSize()) {
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SkImageInfo info = SkImageInfo::MakeA8(width, height);
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sk_sp<SkSurface> surface = SkSurface::MakeRenderTarget(grContext, SkBudgeted::kYes, info);
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surface->getCanvas()->drawColor(SK_AlphaTRANSPARENT);
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grContext->flushAndSubmit();
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surfaces.push_back(surface);
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}
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// create an image and pin it so that we have something with a unique key in the cache
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sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(SkImageInfo::MakeA8(width, height));
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sk_sp<SkImage> image = bitmap->makeImage();
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ASSERT_TRUE(SkImage_pinAsTexture(image.get(), grContext));
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// attempt to trim all memory while we still hold strong refs
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renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
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ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
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// free the surfaces
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for (size_t i = 0; i < surfaces.size(); i++) {
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ASSERT_TRUE(surfaces[i]->unique());
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surfaces[i].reset();
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}
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// unpin the image which should add a unique purgeable key to the cache
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SkImage_unpinAsTexture(image.get(), grContext);
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// verify that we have enough purgeable bytes
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const size_t purgeableBytes = grContext->getResourceCachePurgeableBytes();
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ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() < purgeableBytes);
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// UI hidden and make sure only some got purged (unique should remain)
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renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::UiHidden);
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ASSERT_TRUE(0 < grContext->getResourceCachePurgeableBytes());
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ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() > getCacheUsage(grContext));
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// complete and make sure all get purged
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renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
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ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
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}
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