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/*
* 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 <gtest/gtest.h>
#include "renderthread/CacheManager.h"
#include "renderthread/EglManager.h"
#include "tests/common/TestUtils.h"
#include <SkImagePriv.h>
using namespace android;
using namespace android::uirenderer;
using namespace android::uirenderer::renderthread;
static size_t getCacheUsage(GrDirectContext* grContext) {
size_t cacheUsage;
grContext->getResourceCacheUsage(nullptr, &cacheUsage);
return cacheUsage;
}
// TOOD(258700630): fix this test and re-enable
RENDERTHREAD_SKIA_PIPELINE_TEST(CacheManager, DISABLED_trimMemory) {
int32_t width = DeviceInfo::get()->getWidth();
int32_t height = DeviceInfo::get()->getHeight();
GrDirectContext* grContext = renderThread.getGrContext();
ASSERT_TRUE(grContext != nullptr);
// create pairs of offscreen render targets and images until we exceed the
// backgroundCacheSizeLimit
std::vector<sk_sp<SkSurface>> surfaces;
while (getCacheUsage(grContext) <= renderThread.cacheManager().getBackgroundCacheSize()) {
SkImageInfo info = SkImageInfo::MakeA8(width, height);
sk_sp<SkSurface> surface = SkSurface::MakeRenderTarget(grContext, SkBudgeted::kYes, info);
surface->getCanvas()->drawColor(SK_AlphaTRANSPARENT);
grContext->flushAndSubmit();
surfaces.push_back(surface);
}
// create an image and pin it so that we have something with a unique key in the cache
sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(SkImageInfo::MakeA8(width, height));
sk_sp<SkImage> image = bitmap->makeImage();
ASSERT_TRUE(SkImage_pinAsTexture(image.get(), grContext));
// attempt to trim all memory while we still hold strong refs
renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
// free the surfaces
for (size_t i = 0; i < surfaces.size(); i++) {
ASSERT_TRUE(surfaces[i]->unique());
surfaces[i].reset();
}
// unpin the image which should add a unique purgeable key to the cache
SkImage_unpinAsTexture(image.get(), grContext);
// verify that we have enough purgeable bytes
const size_t purgeableBytes = grContext->getResourceCachePurgeableBytes();
ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() < purgeableBytes);
// UI hidden and make sure only some got purged (unique should remain)
renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::UiHidden);
ASSERT_TRUE(0 < grContext->getResourceCachePurgeableBytes());
ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() > getCacheUsage(grContext));
// complete and make sure all get purged
renderThread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
}