gem5  v21.1.0.2
pixel.test.cc
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37 
38 #include <gtest/gtest.h>
39 
40 #include "base/pixel.hh"
41 
42 using namespace gem5;
43 
44 static Pixel pixel_red(0xff, 0x00, 0x00);
45 static Pixel pixel_green(0x00, 0xff, 0x00);
46 static Pixel pixel_blue(0x00, 0x00, 0xff);
47 
48 TEST(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 
65 TEST(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 
76 TEST(FBTest, PixelToMemRGBA8888LE)
77 {
78  uint8_t data[] = { 0xde, 0xad, 0xbe, 0xef };
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 
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 
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 
101 TEST(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 
112 TEST(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 }
pixel_blue
static Pixel pixel_blue(0x00, 0x00, 0xff)
pixel_green
static Pixel pixel_green(0x00, 0xff, 0x00)
gem5::PixelConverter::rgba8888_be
static const PixelConverter rgba8888_be
Predefined 32-bit RGB (red in least significant bits, 8 bits/channel, big endian) conversion helper.
Definition: pixel.hh:210
data
const char data[]
Definition: circlebuf.test.cc:48
gem5::PixelConverter::fromPixel
uint32_t fromPixel(const Pixel &pixel) const
Convert a Pixel into a color word.
Definition: pixel.hh:150
gem5::PixelConverter::rgb565_le
static const PixelConverter rgb565_le
Predefined 16-bit RGB565 (red in least significant bits, little endian) conversion helper.
Definition: pixel.hh:206
gem5::SparcISA::red
Bitfield< 5 > red
Definition: misc.hh:122
gem5::Pixel
Internal gem5 representation of a Pixel.
Definition: pixel.hh:58
pixel.hh
TEST
TEST(FBTest, PixelConversionRGBA8888)
Definition: pixel.test.cc:48
pixel_red
static Pixel pixel_red(0xff, 0x00, 0x00)
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::PixelConverter::rgba8888_le
static const PixelConverter rgba8888_le
Predefined 32-bit RGB (red in least significant bits, 8 bits/channel, little endian) conversion helpe...
Definition: pixel.hh:203

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