src/base/pixel.test.cc

   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
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   8  * to a hardware implementation of the functionality of the software
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  12  * modified or unmodified, in source code or in binary form.
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  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions are
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  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.
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  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
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  29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include <gtest/gtest.h>
  39
  40 #include "base/pixel.hh"
  41
  42 static Pixel pixel_red(0xff, 0x00, 0x00);
  43 static Pixel pixel_green(0x00, 0xff, 0x00);
  44 static Pixel pixel_blue(0x00, 0x00, 0xff);
  45
  46 TEST(FBTest, PixelConversionRGBA8888)
  47 {
  48     EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_red),
  49               0x000000ffU);
  50     EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_green),
  51               0x0000ff00U);
  52     EXPECT_EQ(PixelConverter::rgba8888_le.fromPixel(pixel_blue),
  53               0x00ff0000U);
  54
  55     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x000000ffU),
  56               pixel_red);
  57     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x0000ff00U),
  58               pixel_green);
  59     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(0x00ff0000U),
  60               pixel_blue);
  61 }
  62
  63 TEST(FBTest, PixelConversionRGB565)
  64 {
  65     EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_red),   0x001fU);
  66     EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_green), 0x07e0U);
  67     EXPECT_EQ(PixelConverter::rgb565_le.fromPixel(pixel_blue),  0xf800U);
  68
  69     EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0x001fU), pixel_red);
  70     EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0x07e0U), pixel_green);
  71     EXPECT_EQ(PixelConverter::rgb565_le.toPixel(0xf800U), pixel_blue);
  72 }
  73
  74 TEST(FBTest, PixelToMemRGBA8888LE)
  75 {
  76     uint8_t data[] = { 0xde, 0xad, 0xbe, 0xef };
  77     PixelConverter::rgba8888_le.fromPixel(data, pixel_red);
  78     EXPECT_EQ(data[0], 0xff);
  79     EXPECT_EQ(data[1], 0x00);
  80     EXPECT_EQ(data[3], 0x00);
  81     EXPECT_EQ(data[3], 0x00);
  82     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_red);
  83
  84     PixelConverter::rgba8888_le.fromPixel(data, pixel_green);
  85     EXPECT_EQ(data[0], 0x00);
  86     EXPECT_EQ(data[1], 0xff);
  87     EXPECT_EQ(data[3], 0x00);
  88     EXPECT_EQ(data[3], 0x00);
  89     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_green);
  90
  91     PixelConverter::rgba8888_le.fromPixel(data, pixel_blue);
  92     EXPECT_EQ(data[0], 0x00);
  93     EXPECT_EQ(data[1], 0x00);
  94     EXPECT_EQ(data[2], 0xff);
  95     EXPECT_EQ(data[3], 0x00);
  96     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(data), pixel_blue);
  97 }
  98
  99 TEST(FBTest, MemToPixelRGBA8888LE)
 100 {
 101     uint8_t red[] = { 0xff, 0x00, 0x00, 0x00 };
 102     uint8_t green[] = { 0x00, 0xff, 0x00, 0x00 };
 103     uint8_t blue[] = { 0x00, 0x00, 0xff, 0x00 };
 104
 105     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(red), pixel_red);
 106     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(green), pixel_green);
 107     EXPECT_EQ(PixelConverter::rgba8888_le.toPixel(blue), pixel_blue);
 108 }
 109
 110 TEST(FBTest, MemToPixelRGBA8888BE)
 111 {
 112     uint8_t red[] = { 0x00, 0x00, 0x00, 0xff };
 113     uint8_t green[] = { 0x00, 0x00, 0xff, 0x00 };
 114     uint8_t blue[] = { 0x00, 0xff, 0x00, 0x00 };
 115
 116     EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(red), pixel_red);
 117     EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(green), pixel_green);
 118     EXPECT_EQ(PixelConverter::rgba8888_be.toPixel(blue), pixel_blue);
 119 }