1 /*
2 * Copyright 2019 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 #undef LOG_TAG
18 #define LOG_TAG "CachingTest"
19
20 #include <gmock/gmock.h>
21 #include <gtest/gtest.h>
22 #include <gui/BufferQueue.h>
23 #include "BufferStateLayer.h"
24
25 namespace android {
26
27 class SlotGenerationTest : public testing::Test {
28 protected:
29 BufferStateLayer::HwcSlotGenerator mHwcSlotGenerator;
30 sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
31 sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
32 sp<GraphicBuffer> mBuffer3{new GraphicBuffer(10, 10, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
33 };
34
TEST_F(SlotGenerationTest,getHwcCacheSlot_Invalid)35 TEST_F(SlotGenerationTest, getHwcCacheSlot_Invalid) {
36 sp<IBinder> binder = new BBinder();
37 // test getting invalid client_cache_id
38 client_cache_t id;
39 uint32_t slot = mHwcSlotGenerator.getHwcCacheSlot(id);
40 EXPECT_EQ(BufferQueue::INVALID_BUFFER_SLOT, slot);
41 }
42
TEST_F(SlotGenerationTest,getHwcCacheSlot_Basic)43 TEST_F(SlotGenerationTest, getHwcCacheSlot_Basic) {
44 sp<IBinder> binder = new BBinder();
45 client_cache_t id;
46 id.token = binder;
47 id.id = 0;
48 uint32_t slot = mHwcSlotGenerator.getHwcCacheSlot(id);
49 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
50
51 client_cache_t idB;
52 idB.token = binder;
53 idB.id = 1;
54 slot = mHwcSlotGenerator.getHwcCacheSlot(idB);
55 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
56
57 slot = mHwcSlotGenerator.getHwcCacheSlot(idB);
58 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
59
60 slot = mHwcSlotGenerator.getHwcCacheSlot(id);
61 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
62 }
63
TEST_F(SlotGenerationTest,getHwcCacheSlot_Reuse)64 TEST_F(SlotGenerationTest, getHwcCacheSlot_Reuse) {
65 sp<IBinder> binder = new BBinder();
66 std::vector<client_cache_t> ids;
67 uint32_t cacheId = 0;
68 // fill up cache
69 for (uint32_t i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
70 client_cache_t id;
71 id.token = binder;
72 id.id = cacheId;
73 ids.push_back(id);
74
75 uint32_t slot = mHwcSlotGenerator.getHwcCacheSlot(id);
76 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
77 cacheId++;
78 }
79 for (uint32_t i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
80 uint32_t slot = mHwcSlotGenerator.getHwcCacheSlot(ids[i]);
81 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
82 }
83
84 for (uint32_t i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
85 client_cache_t id;
86 id.token = binder;
87 id.id = cacheId;
88 uint32_t slot = mHwcSlotGenerator.getHwcCacheSlot(id);
89 EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
90 cacheId++;
91 }
92 }
93 } // namespace android
94