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 <Rect.h>
18 #include <gtest/gtest.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,constructWideColorGamut)44 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, constructWideColorGamut) {
45     OffscreenBuffer layer(renderThread.renderState(), Caches::getInstance(), 49u, 149u, true);
46     EXPECT_EQ(49u, layer.viewportWidth);
47     EXPECT_EQ(149u, layer.viewportHeight);
48 
49     EXPECT_EQ(64u, layer.texture.width());
50     EXPECT_EQ(192u, layer.texture.height());
51 
52     EXPECT_TRUE(layer.wideColorGamut);
53 
54     EXPECT_EQ(64u * 192u * 8u, layer.getSizeInBytes());
55 }
56 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer,getTextureCoordinates)57 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, getTextureCoordinates) {
58     OffscreenBuffer layerAligned(renderThread.renderState(), Caches::getInstance(), 256u, 256u);
59     EXPECT_EQ(Rect(0, 1, 1, 0), layerAligned.getTextureCoordinates());
60 
61     OffscreenBuffer layerUnaligned(renderThread.renderState(), Caches::getInstance(), 200u, 225u);
62     EXPECT_EQ(Rect(0, 225.0f / 256.0f, 200.0f / 256.0f, 0), layerUnaligned.getTextureCoordinates());
63 }
64 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer,dirty)65 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBuffer, dirty) {
66     OffscreenBuffer buffer(renderThread.renderState(), Caches::getInstance(), 256u, 256u);
67     buffer.dirty(Rect(-100, -100, 100, 100));
68     EXPECT_EQ(android::Rect(100, 100), buffer.region.getBounds());
69 }
70 
RENDERTHREAD_TEST(OffscreenBufferPool,construct)71 RENDERTHREAD_TEST(OffscreenBufferPool, construct) {
72     OffscreenBufferPool pool;
73     EXPECT_EQ(0u, pool.getCount()) << "pool must be created empty";
74     EXPECT_EQ(0u, pool.getSize()) << "pool must be created empty";
75     // TODO: Does this really make sense as a test?
76     EXPECT_EQ(DeviceInfo::multiplyByResolution(4 * 4), pool.getMaxSize());
77 }
78 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,getPutClear)79 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, getPutClear) {
80     OffscreenBufferPool pool;
81 
82     auto layer = pool.get(renderThread.renderState(), 100u, 200u);
83     EXPECT_EQ(100u, layer->viewportWidth);
84     EXPECT_EQ(200u, layer->viewportHeight);
85 
86     ASSERT_LT(layer->getSizeInBytes(), pool.getMaxSize());
87 
88     pool.putOrDelete(layer);
89     ASSERT_EQ(layer->getSizeInBytes(), pool.getSize());
90 
91     auto layer2 = pool.get(renderThread.renderState(), 102u, 202u);
92     EXPECT_EQ(layer, layer2) << "layer should be recycled";
93     ASSERT_EQ(0u, pool.getSize()) << "pool should have been emptied by removing only layer";
94 
95     pool.putOrDelete(layer);
96     EXPECT_EQ(1u, pool.getCount());
97     pool.clear();
98     EXPECT_EQ(0u, pool.getSize());
99     EXPECT_EQ(0u, pool.getCount());
100 }
101 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,getPutClearWideColorGamut)102 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, getPutClearWideColorGamut) {
103     OffscreenBufferPool pool;
104 
105     auto layer = pool.get(renderThread.renderState(), 100u, 200u, true);
106     EXPECT_EQ(100u, layer->viewportWidth);
107     EXPECT_EQ(200u, layer->viewportHeight);
108     EXPECT_TRUE(layer->wideColorGamut);
109 
110     ASSERT_LT(layer->getSizeInBytes(), pool.getMaxSize());
111 
112     pool.putOrDelete(layer);
113     ASSERT_EQ(layer->getSizeInBytes(), pool.getSize());
114 
115     auto layer2 = pool.get(renderThread.renderState(), 102u, 202u, true);
116     EXPECT_EQ(layer, layer2) << "layer should be recycled";
117     ASSERT_EQ(0u, pool.getSize()) << "pool should have been emptied by removing only layer";
118 
119     pool.putOrDelete(layer2);
120     EXPECT_EQ(1u, pool.getCount());
121     pool.clear();
122     EXPECT_EQ(0u, pool.getSize());
123     EXPECT_EQ(0u, pool.getCount());
124 
125     // add non wide gamut layer
126     auto layer3 = pool.get(renderThread.renderState(), 100u, 200u);
127     EXPECT_FALSE(layer3->wideColorGamut);
128     pool.putOrDelete(layer3);
129     EXPECT_EQ(1u, pool.getCount());
130 
131     auto layer4 = pool.get(renderThread.renderState(), 100u, 200u, true);
132     EXPECT_TRUE(layer4->wideColorGamut);
133     EXPECT_EQ(1u, pool.getCount());
134     ASSERT_NE(layer3, layer4);
135 
136     pool.putOrDelete(layer4);
137 
138     pool.clear();
139     EXPECT_EQ(0u, pool.getSize());
140     EXPECT_EQ(0u, pool.getCount());
141 }
142 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,resize)143 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, resize) {
144     OffscreenBufferPool pool;
145 
146     auto layer = pool.get(renderThread.renderState(), 64u, 64u);
147     layer->dirty(Rect(64, 64));
148 
149     // resize in place
150     ASSERT_EQ(layer, pool.resize(layer, 60u, 55u));
151     EXPECT_TRUE(layer->region.isEmpty()) << "In place resize should clear usage region";
152     EXPECT_EQ(60u, layer->viewportWidth);
153     EXPECT_EQ(55u, layer->viewportHeight);
154     EXPECT_EQ(64u, layer->texture.width());
155     EXPECT_EQ(64u, layer->texture.height());
156 
157     // resized to use different object in pool
158     auto layer2 = pool.get(renderThread.renderState(), 128u, 128u);
159     layer2->dirty(Rect(128, 128));
160     EXPECT_FALSE(layer2->region.isEmpty());
161     pool.putOrDelete(layer2);
162     ASSERT_EQ(1u, pool.getCount());
163 
164     ASSERT_EQ(layer2, pool.resize(layer, 120u, 125u));
165     EXPECT_TRUE(layer2->region.isEmpty()) << "Swap resize should clear usage region";
166     EXPECT_EQ(120u, layer2->viewportWidth);
167     EXPECT_EQ(125u, layer2->viewportHeight);
168     EXPECT_EQ(128u, layer2->texture.width());
169     EXPECT_EQ(128u, layer2->texture.height());
170 
171     // original allocation now only thing in pool
172     EXPECT_EQ(1u, pool.getCount());
173     EXPECT_EQ(layer->getSizeInBytes(), pool.getSize());
174 
175     pool.putOrDelete(layer2);
176 }
177 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,resizeWideColorGamut)178 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, resizeWideColorGamut) {
179     OffscreenBufferPool pool;
180 
181     auto layer = pool.get(renderThread.renderState(), 64u, 64u, true);
182 
183     // resize in place
184     ASSERT_EQ(layer, pool.resize(layer, 60u, 55u));
185     EXPECT_EQ(60u, layer->viewportWidth);
186     EXPECT_EQ(55u, layer->viewportHeight);
187     EXPECT_EQ(64u, layer->texture.width());
188     EXPECT_EQ(64u, layer->texture.height());
189 
190     EXPECT_TRUE(layer->wideColorGamut);
191     EXPECT_EQ(64u * 64u * 8u, layer->getSizeInBytes());
192 
193     // resized to use different object in pool
194     auto layer2 = pool.get(renderThread.renderState(), 128u, 128u, true);
195     pool.putOrDelete(layer2);
196     ASSERT_EQ(1u, pool.getCount());
197 
198     // add a non-wide gamut layer
199     auto layer3 = pool.get(renderThread.renderState(), 128u, 128u);
200     pool.putOrDelete(layer3);
201     ASSERT_EQ(2u, pool.getCount());
202 
203     ASSERT_EQ(layer2, pool.resize(layer, 120u, 125u));
204     EXPECT_EQ(120u, layer2->viewportWidth);
205     EXPECT_EQ(125u, layer2->viewportHeight);
206     EXPECT_EQ(128u, layer2->texture.width());
207     EXPECT_EQ(128u, layer2->texture.height());
208 
209     EXPECT_TRUE(layer2->wideColorGamut);
210     EXPECT_EQ(128u * 128u * 8u, layer2->getSizeInBytes());
211 
212     pool.putOrDelete(layer2);
213 }
214 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,putAndDestroy)215 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, putAndDestroy) {
216     OffscreenBufferPool pool;
217     // layer too big to return to the pool
218     // Note: this relies on the fact that the pool won't reject based on max texture size
219     auto hugeLayer = pool.get(renderThread.renderState(), pool.getMaxSize() / 64, 64);
220     EXPECT_GT(hugeLayer->getSizeInBytes(), pool.getMaxSize());
221     pool.putOrDelete(hugeLayer);
222     EXPECT_EQ(0u, pool.getCount());  // failed to put (so was destroyed instead)
223 }
224 
RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool,clear)225 RENDERTHREAD_OPENGL_PIPELINE_TEST(OffscreenBufferPool, clear) {
226     EXPECT_EQ(0, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
227     OffscreenBufferPool pool;
228 
229     // Create many buffers, with several at each size
230     std::vector<OffscreenBuffer*> buffers;
231     for (int size = 32; size <= 128; size += 32) {
232         for (int i = 0; i < 10; i++) {
233             buffers.push_back(pool.get(renderThread.renderState(), size, size));
234         }
235     }
236     EXPECT_EQ(0u, pool.getCount()) << "Expect nothing inside";
237     for (auto& buffer : buffers) pool.putOrDelete(buffer);
238     EXPECT_EQ(40u, pool.getCount()) << "Expect all items added";
239     EXPECT_EQ(40, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
240     pool.clear();
241     EXPECT_EQ(0u, pool.getCount()) << "Expect all items cleared";
242 
243     EXPECT_EQ(0, GpuMemoryTracker::getInstanceCount(GpuObjectType::OffscreenBuffer));
244 }
245