1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* Copyright (C) 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.
*/
#pragma once
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#pragma clang diagnostic ignored "-Wextra"
#include <chrono>
#include <android/native_window.h>
#include <binder/IPCThreadState.h>
#include <gtest/gtest.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <private/gui/ComposerService.h>
#include <ui/GraphicBuffer.h>
#include <ui/Rect.h>
#include "ColorUtils.h"
namespace android {
namespace {
using namespace std::chrono_literals;
using Transaction = SurfaceComposerClient::Transaction;
std::ostream& operator<<(std::ostream& os, const Color& color) {
os << int(color.r) << ", " << int(color.g) << ", " << int(color.b) << ", " << int(color.a);
return os;
}
class TransactionUtils {
public:
// Fill a region with the specified color.
static void fillANativeWindowBufferColor(const ANativeWindow_Buffer& buffer, const Rect& rect,
const Color& color) {
Rect r(0, 0, buffer.width, buffer.height);
if (!r.intersect(rect, &r)) {
return;
}
int32_t width = r.right - r.left;
int32_t height = r.bottom - r.top;
for (int32_t row = 0; row < height; row++) {
uint8_t* dst = static_cast<uint8_t*>(buffer.bits) +
(buffer.stride * (r.top + row) + r.left) * 4;
for (int32_t column = 0; column < width; column++) {
dst[0] = color.r;
dst[1] = color.g;
dst[2] = color.b;
dst[3] = color.a;
dst += 4;
}
}
}
// Fill a region with the specified color.
static void fillGraphicBufferColor(const sp<GraphicBuffer>& buffer, const Rect& rect,
const Color& color) {
Rect r(0, 0, buffer->width, buffer->height);
if (!r.intersect(rect, &r)) {
return;
}
int32_t width = r.right - r.left;
int32_t height = r.bottom - r.top;
uint8_t* pixels;
buffer->lock(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
reinterpret_cast<void**>(&pixels));
for (int32_t row = 0; row < height; row++) {
uint8_t* dst = pixels + (buffer->getStride() * (r.top + row) + r.left) * 4;
for (int32_t column = 0; column < width; column++) {
dst[0] = color.r;
dst[1] = color.g;
dst[2] = color.b;
dst[3] = color.a;
dst += 4;
}
}
buffer->unlock();
}
// Check if a region has the specified color.
static void expectBufferColor(const sp<GraphicBuffer>& outBuffer, uint8_t* pixels,
const Rect& rect, const Color& color, uint8_t tolerance) {
int32_t x = rect.left;
int32_t y = rect.top;
int32_t width = rect.right - rect.left;
int32_t height = rect.bottom - rect.top;
int32_t bufferWidth = int32_t(outBuffer->getWidth());
int32_t bufferHeight = int32_t(outBuffer->getHeight());
if (x + width > bufferWidth) {
x = std::min(x, bufferWidth);
width = bufferWidth - x;
}
if (y + height > bufferHeight) {
y = std::min(y, bufferHeight);
height = bufferHeight - y;
}
auto colorCompare = [tolerance](uint8_t a, uint8_t b) {
uint8_t tmp = a >= b ? a - b : b - a;
return tmp <= tolerance;
};
for (int32_t j = 0; j < height; j++) {
const uint8_t* src = pixels + (outBuffer->getStride() * (y + j) + x) * 4;
for (int32_t i = 0; i < width; i++) {
const uint8_t expected[4] = {color.r, color.g, color.b, color.a};
ASSERT_TRUE(std::equal(src, src + 4, expected, colorCompare))
<< "pixel @ (" << x + i << ", " << y + j << "): "
<< "expected (" << color << "), "
<< "got (" << Color{src[0], src[1], src[2], src[3]} << ")";
src += 4;
}
}
}
static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, const Color& color,
bool unlock = true) {
fillSurfaceRGBA8(sc, color.r, color.g, color.b, unlock);
}
// Fill an RGBA_8888 formatted surface with a single color.
static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, uint8_t r, uint8_t g, uint8_t b,
bool unlock = true) {
ANativeWindow_Buffer outBuffer;
sp<Surface> s = sc->getSurface();
ASSERT_TRUE(s != nullptr);
ASSERT_EQ(NO_ERROR, s->lock(&outBuffer, nullptr));
uint8_t* img = reinterpret_cast<uint8_t*>(outBuffer.bits);
for (int y = 0; y < outBuffer.height; y++) {
for (int x = 0; x < outBuffer.width; x++) {
uint8_t* pixel = img + (4 * (y * outBuffer.stride + x));
pixel[0] = r;
pixel[1] = g;
pixel[2] = b;
pixel[3] = 255;
}
}
if (unlock) {
ASSERT_EQ(NO_ERROR, s->unlockAndPost());
}
}
static void setFrame(Transaction& t, const sp<SurfaceControl>& sc, Rect source, Rect dest,
int32_t transform = 0) {
uint32_t sourceWidth = source.getWidth();
uint32_t sourceHeight = source.getHeight();
if (transform & ui::Transform::ROT_90) {
std::swap(sourceWidth, sourceHeight);
}
float dsdx = dest.getWidth() / static_cast<float>(sourceWidth);
float dsdy = dest.getHeight() / static_cast<float>(sourceHeight);
t.setMatrix(sc, dsdx, 0, 0, dsdy);
t.setPosition(sc, dest.left, dest.top);
}
};
enum class RenderPath { SCREENSHOT, VIRTUAL_DISPLAY };
// Environment for starting up binder threads. This is required for testing
// virtual displays, as BufferQueue parameters may be queried over binder.
class BinderEnvironment : public ::testing::Environment {
public:
void SetUp() override { ProcessState::self()->startThreadPool(); }
};
/** RAII Wrapper around get/seteuid */
class UIDFaker {
uid_t oldId;
public:
UIDFaker(uid_t uid) {
oldId = geteuid();
seteuid(uid);
}
~UIDFaker() { seteuid(oldId); }
};
} // namespace
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
|
