1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include "renderthread/CacheManager.h"
20 #include "renderthread/EglManager.h"
21 #include "tests/common/TestUtils.h"
22
23 #include <SkImageAndroid.h>
24 #include <include/gpu/ganesh/SkSurfaceGanesh.h>
25 #include "include/gpu/GpuTypes.h" // from Skia
26
27 using namespace android;
28 using namespace android::uirenderer;
29 using namespace android::uirenderer::renderthread;
30
getCacheUsage(GrDirectContext * grContext)31 static size_t getCacheUsage(GrDirectContext* grContext) {
32 size_t cacheUsage;
33 grContext->getResourceCacheUsage(nullptr, &cacheUsage);
34 return cacheUsage;
35 }
36
37 // TOOD(258700630): fix this test and re-enable
RENDERTHREAD_TEST(CacheManager,DISABLED_trimMemory)38 RENDERTHREAD_TEST(CacheManager, DISABLED_trimMemory) {
39 int32_t width = DeviceInfo::get()->getWidth();
40 int32_t height = DeviceInfo::get()->getHeight();
41 GrDirectContext* grContext = renderThread.getGrContext();
42 ASSERT_TRUE(grContext != nullptr);
43
44 // create pairs of offscreen render targets and images until we exceed the
45 // backgroundCacheSizeLimit
46 std::vector<sk_sp<SkSurface>> surfaces;
47
48 while (getCacheUsage(grContext) <= renderThread.cacheManager().getBackgroundCacheSize()) {
49 SkImageInfo info = SkImageInfo::MakeA8(width, height);
50 sk_sp<SkSurface> surface = SkSurfaces::RenderTarget(grContext, skgpu::Budgeted::kYes,
51 info);
52 surface->getCanvas()->drawColor(SK_AlphaTRANSPARENT);
53
54 grContext->flushAndSubmit();
55
56 surfaces.push_back(surface);
57 }
58
59 // create an image and pin it so that we have something with a unique key in the cache
60 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(SkImageInfo::MakeA8(width, height));
61 sk_sp<SkImage> image = bitmap->makeImage(); // calls skgpu::ganesh::PinAsTexture under the hood.
62 ASSERT_TRUE(skgpu::ganesh::PinAsTexture(grContext, image.get()));
63 // attempt to trim all memory while we still hold strong refs
64 renderThread.cacheManager().trimMemory(TrimLevel::COMPLETE);
65 ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
66
67 // free the surfaces
68 for (size_t i = 0; i < surfaces.size(); i++) {
69 ASSERT_TRUE(surfaces[i]->unique());
70 surfaces[i].reset();
71 }
72
73 // unpin the image which should add a unique purgeable key to the cache
74 skgpu::ganesh::UnpinTexture(grContext, image.get());
75
76 // verify that we have enough purgeable bytes
77 const size_t purgeableBytes = grContext->getResourceCachePurgeableBytes();
78 ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() < purgeableBytes);
79
80 // UI hidden and make sure only some got purged (unique should remain)
81 renderThread.cacheManager().trimMemory(TrimLevel::UI_HIDDEN);
82 ASSERT_TRUE(0 < grContext->getResourceCachePurgeableBytes());
83 ASSERT_TRUE(renderThread.cacheManager().getBackgroundCacheSize() > getCacheUsage(grContext));
84
85 // complete and make sure all get purged
86 renderThread.cacheManager().trimMemory(TrimLevel::COMPLETE);
87 ASSERT_TRUE(0 == grContext->getResourceCachePurgeableBytes());
88 }
89