1/*
2 * Copyright (c) 2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andreas Sandberg
38 */
39
40#include <gtest/gtest.h>
41
42#include "base/pixel.hh"
43
44static Pixel pixel_red(0xff, 0x00, 0x00);
45static Pixel pixel_green(0x00, 0xff, 0x00);
46static Pixel pixel_blue(0x00, 0x00, 0xff);
47
48TEST(FBTest, PixelConversionRGBA8888)
49{
50    EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_red),
51              0x000000ffU);
52    EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_green),
53              0x0000ff00U);
54    EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_blue),
55              0x00ff0000U);
56
57    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x000000ffU),
58              pixel_red);
59    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x0000ff00U),
60              pixel_green);
61    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x00ff0000U),
62              pixel_blue);
63}
64
65TEST(FBTest, PixelConversionRGB565)
66{
67    EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_red),   0x001fU);
68    EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_green), 0x07e0U);
69    EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_blue),  0xf800U);
70
71    EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0x001fU), pixel_red);
72    EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0x07e0U), pixel_green);
73    EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0xf800U), pixel_blue);
74}
75
76TEST(FBTest, PixelToMemRGBA8888LE)
77{
78    uint8_t data[] = { 0xde, 0xad, 0xbe, 0xef };
79    PixelConverter::rgba8888_le.fromPixel(data, pixel_red);
80    EXPECT_EQ(data[0], 0xff);
81    EXPECT_EQ(data[1], 0x00);
82    EXPECT_EQ(data[3], 0x00);
83    EXPECT_EQ(data[3], 0x00);
84    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_red);
85
86    PixelConverter::rgba8888_le.fromPixel(data, pixel_green);
87    EXPECT_EQ(data[0], 0x00);
88    EXPECT_EQ(data[1], 0xff);
89    EXPECT_EQ(data[3], 0x00);
90    EXPECT_EQ(data[3], 0x00);
91    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_green);
92
93    PixelConverter::rgba8888_le.fromPixel(data, pixel_blue);
94    EXPECT_EQ(data[0], 0x00);
95    EXPECT_EQ(data[1], 0x00);
96    EXPECT_EQ(data[2], 0xff);
97    EXPECT_EQ(data[3], 0x00);
98    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_blue);
99}
100
101TEST(FBTest, MemToPixelRGBA8888LE)
102{
103    uint8_t red[] = { 0xff, 0x00, 0x00, 0x00 };
104    uint8_t green[] = { 0x00, 0xff, 0x00, 0x00 };
105    uint8_t blue[] = { 0x00, 0x00, 0xff, 0x00 };
106
107    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(red), pixel_red);
108    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(green), pixel_green);
109    EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(blue), pixel_blue);
110}
111
112TEST(FBTest, MemToPixelRGBA8888BE)
113{
114    uint8_t red[] = { 0x00, 0x00, 0x00, 0xff };
115    uint8_t green[] = { 0x00, 0x00, 0xff, 0x00 };
116    uint8_t blue[] = { 0x00, 0xff, 0x00, 0x00 };
117
118    EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(red), pixel_red);
119    EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(green), pixel_green);
120    EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(blue), pixel_blue);
121}
122