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/*
* Copyright 2019 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.
*/
#undef LOG_TAG
#define LOG_TAG "CachingTest"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <gui/BufferQueue.h>
#include "BufferStateLayer.h"
namespace android {
class SlotGenerationTest : public testing::Test {
protected:
sp<BufferStateLayer::HwcSlotGenerator> mHwcSlotGenerator =
sp<BufferStateLayer::HwcSlotGenerator>::make();
sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
sp<GraphicBuffer> mBuffer3{new GraphicBuffer(10, 10, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
};
TEST_F(SlotGenerationTest, getHwcCacheSlot_Invalid) {
sp<IBinder> binder = new BBinder();
// test getting invalid client_cache_id
client_cache_t id;
int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
EXPECT_EQ(BufferQueue::INVALID_BUFFER_SLOT, slot);
}
TEST_F(SlotGenerationTest, getHwcCacheSlot_Basic) {
sp<IBinder> binder = new BBinder();
client_cache_t id;
id.token = binder;
id.id = 0;
int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
client_cache_t idB;
idB.token = binder;
idB.id = 1;
slot = mHwcSlotGenerator->getHwcCacheSlot(idB);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
slot = mHwcSlotGenerator->getHwcCacheSlot(idB);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
slot = mHwcSlotGenerator->getHwcCacheSlot(id);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
}
TEST_F(SlotGenerationTest, getHwcCacheSlot_Reuse) {
sp<IBinder> binder = new BBinder();
std::vector<client_cache_t> ids;
uint32_t cacheId = 0;
// fill up cache
for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
client_cache_t id;
id.token = binder;
id.id = cacheId;
ids.push_back(id);
int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
cacheId++;
}
for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
int slot = mHwcSlotGenerator->getHwcCacheSlot(ids[static_cast<uint32_t>(i)]);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
}
for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
client_cache_t id;
id.token = binder;
id.id = cacheId;
int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
cacheId++;
}
}
} // namespace android
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