1 /*
2  * Copyright (C) 2015 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 #include <Rect.h>
19 #include <renderstate/OffscreenBufferPool.h>
20 
21 #include <tests/common/TestUtils.h>
22 
23 using namespace android::uirenderer;
24 
TEST(OffscreenBuffer,computeIdealDimension)25 TEST(OffscreenBuffer, computeIdealDimension) {
26     EXPECT_EQ(64u, OffscreenBuffer::computeIdealDimension(1));
27     EXPECT_EQ(64u, OffscreenBuffer::computeIdealDimension(31));
28     EXPECT_EQ(64u, OffscreenBuffer::computeIdealDimension(33));
29     EXPECT_EQ(64u, OffscreenBuffer::computeIdealDimension(64));
30     EXPECT_EQ(1024u, OffscreenBuffer::computeIdealDimension(1000));
31 }
32 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer,construct)33 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, construct) {
34     OffscreenBuffer layer(renderThread.renderState(), Caches::getInstance(), 49u, 149u);
35     EXPECT_EQ(49u, layer.viewportWidth);
36     EXPECT_EQ(149u, layer.viewportHeight);
37 
38     EXPECT_EQ(64u, layer.texture.width());
39     EXPECT_EQ(192u, layer.texture.height());
40 
41     EXPECT_EQ(64u * 192u * 4u, layer.getSizeInBytes());
42 }
43 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer,getTextureCoordinates)44 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, getTextureCoordinates) {
45     OffscreenBuffer layerAligned(renderThread.renderState(), Caches::getInstance(), 256u, 256u);
46     EXPECT_EQ(Rect(0, 1, 1, 0),
47             layerAligned.getTextureCoordinates());
48 
49     OffscreenBuffer layerUnaligned(renderThread.renderState(), Caches::getInstance(), 200u, 225u);
50     EXPECT_EQ(Rect(0, 225.0f / 256.0f, 200.0f / 256.0f, 0),
51             layerUnaligned.getTextureCoordinates());
52 }
53 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer,dirty)54 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, dirty) {
55     OffscreenBuffer buffer(renderThread.renderState(), Caches::getInstance(), 256u, 256u);
56     buffer.dirty(Rect(-100, -100, 100, 100));
57     EXPECT_EQ(android::Rect(100, 100), buffer.region.getBounds());
58 }
59 
RENDERTHREAD_TEST(OffscreenBufferPool,construct)60 RENDERTHREAD_TEST(OffscreenBufferPool, construct) {
61     OffscreenBufferPool pool;
62     EXPECT_EQ(0u, pool.getCount()) << "pool must be created empty";
63     EXPECT_EQ(0u, pool.getSize()) << "pool must be created empty";
64     EXPECT_EQ((uint32_t) Properties::layerPoolSize, pool.getMaxSize())
65             << "pool must read size from Properties";
66 }
67 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,getPutClear)68 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, getPutClear) {
69     OffscreenBufferPool pool;
70 
71     auto layer = pool.get(renderThread.renderState(), 100u, 200u);
72     EXPECT_EQ(100u, layer->viewportWidth);
73     EXPECT_EQ(200u, layer->viewportHeight);
74 
75     ASSERT_LT(layer->getSizeInBytes(), pool.getMaxSize());
76 
77     pool.putOrDelete(layer);
78     ASSERT_EQ(layer->getSizeInBytes(), pool.getSize());
79 
80     auto layer2 = pool.get(renderThread.renderState(), 102u, 202u);
81     EXPECT_EQ(layer, layer2) << "layer should be recycled";
82     ASSERT_EQ(0u, pool.getSize()) << "pool should have been emptied by removing only layer";
83 
84     pool.putOrDelete(layer);
85     EXPECT_EQ(1u, pool.getCount());
86     pool.clear();
87     EXPECT_EQ(0u, pool.getSize());
88     EXPECT_EQ(0u, pool.getCount());
89 }
90 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,resize)91 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, resize) {
92     OffscreenBufferPool pool;
93 
94     auto layer = pool.get(renderThread.renderState(), 64u, 64u);
95     layer->dirty(Rect(64, 64));
96 
97     // resize in place
98     ASSERT_EQ(layer, pool.resize(layer, 60u, 55u));
99     EXPECT_TRUE(layer->region.isEmpty()) << "In place resize should clear usage region";
100     EXPECT_EQ(60u, layer->viewportWidth);
101     EXPECT_EQ(55u, layer->viewportHeight);
102     EXPECT_EQ(64u, layer->texture.width());
103     EXPECT_EQ(64u, layer->texture.height());
104 
105     // resized to use different object in pool
106     auto layer2 = pool.get(renderThread.renderState(), 128u, 128u);
107     layer2->dirty(Rect(128, 128));
108     EXPECT_FALSE(layer2->region.isEmpty());
109     pool.putOrDelete(layer2);
110     ASSERT_EQ(1u, pool.getCount());
111 
112     ASSERT_EQ(layer2, pool.resize(layer, 120u, 125u));
113     EXPECT_TRUE(layer2->region.isEmpty()) << "Swap resize should clear usage region";
114     EXPECT_EQ(120u, layer2->viewportWidth);
115     EXPECT_EQ(125u, layer2->viewportHeight);
116     EXPECT_EQ(128u, layer2->texture.width());
117     EXPECT_EQ(128u, layer2->texture.height());
118 
119     // original allocation now only thing in pool
120     EXPECT_EQ(1u, pool.getCount());
121     EXPECT_EQ(layer->getSizeInBytes(), pool.getSize());
122 
123     pool.putOrDelete(layer2);
124 }
125 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,putAndDestroy)126 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, putAndDestroy) {
127     OffscreenBufferPool pool;
128     // layer too big to return to the pool
129     // Note: this relies on the fact that the pool won't reject based on max texture size
130     auto hugeLayer = pool.get(renderThread.renderState(), pool.getMaxSize() / 64, 64);
131     EXPECT_GT(hugeLayer->getSizeInBytes(), pool.getMaxSize());
132     pool.putOrDelete(hugeLayer);
133     EXPECT_EQ(0u, pool.getCount()); // failed to put (so was destroyed instead)
134 }
135 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,clear)136 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, clear) {
137     EXPECT_EQ(0, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
138     OffscreenBufferPool pool;
139 
140     // Create many buffers, with several at each size
141     std::vector<OffscreenBuffer*> buffers;
142     for (int size = 32; size <= 128; size += 32) {
143         for (int i = 0; i < 10; i++) {
144             buffers.push_back(pool.get(renderThread.renderState(), size, size));
145         }
146     }
147     EXPECT_EQ(0u, pool.getCount()) << "Expect nothing inside";
148     for (auto& buffer : buffers) pool.putOrDelete(buffer);
149     EXPECT_EQ(40u, pool.getCount()) << "Expect all items added";
150     EXPECT_EQ(40, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
151     pool.clear();
152     EXPECT_EQ(0u, pool.getCount()) << "Expect all items cleared";
153 
154     EXPECT_EQ(0, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
155 }
156