// Copyright 2014 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "ui/display/util/edid_parser.h" #include #include #include "base/compiler_specific.h" #include "base/containers/flat_set.h" #include "base/numerics/ranges.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_util.h" #include "crypto/obsolete/md5.h" #include "testing/gtest/include/gtest/gtest.h" #include "third_party/skia/include/core/SkColorSpace.h" #include "ui/display/types/display_constants.h" #include "ui/gfx/geometry/size.h" using ::testing::AssertionFailure; using ::testing::AssertionSuccess; using ::testing::TestWithParam; using ::testing::ValuesIn; namespace display { namespace { std::string Md5AsHex(std::string_view data) { return base::HexEncodeLower( crypto::obsolete::Md5::HashForTesting(base::as_byte_span(data))); } // EDID with non-ascii char in display name. constexpr unsigned char kBadDisplayName[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x00\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; constexpr size_t kBadDisplayNameLength = std::size(kBadDisplayName); // Sample EDID data extracted from real devices. constexpr unsigned char kNormalDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; constexpr size_t kNormalDisplayLength = std::size(kNormalDisplay); // Max image display is an optional field and is omitted in this display by // setting bytes 21-22 to 0x00. constexpr unsigned char kNoMaxImageSizeDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\x02\x16\x01\x04\xb5\x00\x00\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; constexpr size_t kNoMaxImageSizeDisplayLength = std::size(kNoMaxImageSizeDisplay); // Serial number is in bytes 12-15 of Block 0. Serial number descriptor // (tag: 0xff) is omitted and replaced by a dummy descriptor (tag: 0x10). constexpr unsigned char kBlockZeroSerialNumberOnlyDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\x10" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x71"; constexpr size_t kBlockZeroSerialNumberOnlyDisplayLength = std::size(kBlockZeroSerialNumberOnlyDisplay); // Serial number is unavailable. Omitted from bytes 12-15 of block zero and SN // descriptor (tag: 0xff). constexpr unsigned char kNoSerialNumberDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x00\x00\x00\x00" "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\x10" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x71"; constexpr size_t kNoSerialNumberDisplayLength = std::size(kNoSerialNumberDisplay); // Week of manufacture is optional and is omitted in this display // (0x00 at byte 16). constexpr unsigned char kNoWeekOfManufactureDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\x00\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; constexpr size_t kNoWeekOfManufactureDisplayLength = std::size(kNoWeekOfManufactureDisplay); // Week of manufacture can be used to signal that year of manufacture is the // model year by setting byte 16 to 0xff. constexpr unsigned char kModelYearDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" "\xff\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; constexpr size_t kModelYearDisplayLength = std::size(kModelYearDisplay); constexpr unsigned char kInternalDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\xa3\x42\x31\x00\x00\x00\x00" "\x00\x15\x01\x03\x80\x1a\x10\x78\x0a\xd3\xe5\x95\x5c\x60\x90\x27" "\x19\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\x9e\x1b\x00\xa0\x50\x20\x12\x30\x10\x30" "\x13\x00\x05\xa3\x10\x00\x00\x19\x00\x00\x00\x0f\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x23\x87\x02\x64\x00\x00\x00\x00\xfe\x00\x53" "\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x00\x00\x00\xfe" "\x00\x31\x32\x31\x41\x54\x31\x31\x2d\x38\x30\x31\x0a\x20\x00\x45"; constexpr size_t kInternalDisplayLength = std::size(kInternalDisplay); constexpr unsigned char kOverscanDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\x2d\xfe\x08\x00\x00\x00\x00" "\x29\x15\x01\x03\x80\x10\x09\x78\x0a\xee\x91\xa3\x54\x4c\x99\x26" "\x0f\x50\x54\xbd\xef\x80\x71\x4f\x81\xc0\x81\x00\x81\x80\x95\x00" "\xa9\xc0\xb3\x00\x01\x01\x02\x3a\x80\x18\x71\x38\x2d\x40\x58\x2c" "\x45\x00\xa0\x5a\x00\x00\x00\x1e\x66\x21\x56\xaa\x51\x00\x1e\x30" "\x46\x8f\x33\x00\xa0\x5a\x00\x00\x00\x1e\x00\x00\x00\xfd\x00\x18" "\x4b\x0f\x51\x17\x00\x0a\x20\x20\x20\x20\x20\x20\x00\x00\x00\xfc" "\x00\x53\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x01\x1d" "\x02\x03\x1f\xf1\x47\x90\x04\x05\x03\x20\x22\x07\x23\x09\x07\x07" "\x83\x01\x00\x00\xe2\x00\x0f\x67\x03\x0c\x00\x20\x00\xb8\x2d\x01" "\x1d\x80\x18\x71\x1c\x16\x20\x58\x2c\x25\x00\xa0\x5a\x00\x00\x00" "\x9e\x01\x1d\x00\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\xa0\x5a\x00" "\x00\x00\x1e\x8c\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\xa0" "\x5a\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc6"; constexpr size_t kOverscanDisplayLength = std::size(kOverscanDisplay); // The EDID info misdetecting overscan once. see crbug.com/226318 constexpr unsigned char kMisdetectedDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x10\xac\x64\x40\x4c\x30\x30\x32" "\x0c\x15\x01\x03\x80\x40\x28\x78\xea\x8d\x85\xad\x4f\x35\xb1\x25" "\x0e\x50\x54\xa5\x4b\x00\x71\x4f\x81\x00\x81\x80\xd1\x00\xa9\x40" "\x01\x01\x01\x01\x01\x01\x28\x3c\x80\xa0\x70\xb0\x23\x40\x30\x20" "\x36\x00\x81\x91\x21\x00\x00\x1a\x00\x00\x00\xff\x00\x50\x48\x35" "\x4e\x59\x31\x33\x4e\x32\x30\x30\x4c\x0a\x00\x00\x00\xfc\x00\x44" "\x45\x4c\x4c\x20\x55\x33\x30\x31\x31\x0a\x20\x20\x00\x00\x00\xfd" "\x00\x31\x56\x1d\x5e\x12\x00\x0a\x20\x20\x20\x20\x20\x20\x01\x38" "\x02\x03\x29\xf1\x50\x90\x05\x04\x03\x02\x07\x16\x01\x06\x11\x12" "\x15\x13\x14\x1f\x20\x23\x0d\x7f\x07\x83\x0f\x00\x00\x67\x03\x0c" "\x00\x10\x00\x38\x2d\xe3\x05\x03\x01\x02\x3a\x80\x18\x71\x38\x2d" "\x40\x58\x2c\x45\x00\x81\x91\x21\x00\x00\x1e\x01\x1d\x80\x18\x71" "\x1c\x16\x20\x58\x2c\x25\x00\x81\x91\x21\x00\x00\x9e\x01\x1d\x00" "\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\x81\x91\x21\x00\x00\x1e\x8c" "\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\x81\x91\x21\x00\x00" "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x94"; constexpr size_t kMisdetectedDisplayLength = std::size(kMisdetectedDisplay); constexpr unsigned char kLP2565A[] = "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x22\xF0\x76\x26\x01\x01\x01\x01" "\x02\x12\x01\x03\x80\x34\x21\x78\xEE\xEF\x95\xA3\x54\x4C\x9B\x26" "\x0F\x50\x54\xA5\x6B\x80\x81\x40\x81\x80\x81\x99\x71\x00\xA9\x00" "\xA9\x40\xB3\x00\xD1\x00\x28\x3C\x80\xA0\x70\xB0\x23\x40\x30\x20" "\x36\x00\x07\x44\x21\x00\x00\x1A\x00\x00\x00\xFD\x00\x30\x55\x1E" "\x5E\x11\x00\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFC\x00\x48" "\x50\x20\x4C\x50\x32\x34\x36\x35\x0A\x20\x20\x20\x00\x00\x00\xFF" "\x00\x43\x4E\x4B\x38\x30\x32\x30\x34\x48\x4D\x0A\x20\x20\x00\xA4"; constexpr size_t kLP2565ALength = std::size(kLP2565A); constexpr unsigned char kLP2565B[] = "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x22\xF0\x75\x26\x01\x01\x01\x01" "\x02\x12\x01\x03\x6E\x34\x21\x78\xEE\xEF\x95\xA3\x54\x4C\x9B\x26" "\x0F\x50\x54\xA5\x6B\x80\x81\x40\x71\x00\xA9\x00\xA9\x40\xA9\x4F" "\xB3\x00\xD1\xC0\xD1\x00\x28\x3C\x80\xA0\x70\xB0\x23\x40\x30\x20" "\x36\x00\x07\x44\x21\x00\x00\x1A\x00\x00\x00\xFD\x00\x30\x55\x1E" "\x5E\x15\x00\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFC\x00\x48" "\x50\x20\x4C\x50\x32\x34\x36\x35\x0A\x20\x20\x20\x00\x00\x00\xFF" "\x00\x43\x4E\x4B\x38\x30\x32\x30\x34\x48\x4D\x0A\x20\x20\x00\x45"; constexpr size_t kLP2565BLength = std::size(kLP2565B); // HP z32x monitor. constexpr unsigned char kHPz32x[] = "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x22\xF0\x75\x32\x01\x01\x01\x01" "\x1B\x1B\x01\x04\xB5\x46\x27\x78\x3A\x8D\x15\xAC\x51\x32\xB8\x26" "\x0B\x50\x54\x21\x08\x00\xD1\xC0\xA9\xC0\x81\xC0\xD1\x00\xB3\x00" "\x95\x00\xA9\x40\x81\x80\x4D\xD0\x00\xA0\xF0\x70\x3E\x80\x30\x20" "\x35\x00\xB9\x88\x21\x00\x00\x1A\x00\x00\x00\xFD\x00\x18\x3C\x1E" "\x87\x3C\x00\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFC\x00\x48" "\x50\x20\x5A\x33\x32\x78\x0A\x20\x20\x20\x20\x20\x00\x00\x00\xFF" "\x00\x43\x4E\x43\x37\x32\x37\x30\x4D\x57\x30\x0A\x20\x20\x01\x46" "\x02\x03\x18\xF1\x4B\x10\x1F\x04\x13\x03\x12\x02\x11\x01\x05\x14" "\x23\x09\x07\x07\x83\x01\x00\x00\xA3\x66\x00\xA0\xF0\x70\x1F\x80" "\x30\x20\x35\x00\xB9\x88\x21\x00\x00\x1A\x56\x5E\x00\xA0\xA0\xA0" "\x29\x50\x30\x20\x35\x00\xB9\x88\x21\x00\x00\x1A\xEF\x51\x00\xA0" "\xF0\x70\x19\x80\x30\x20\x35\x00\xB9\x88\x21\x00\x00\x1A\xE2\x68" "\x00\xA0\xA0\x40\x2E\x60\x20\x30\x63\x00\xB9\x88\x21\x00\x00\x1C" "\x28\x3C\x80\xA0\x70\xB0\x23\x40\x30\x20\x36\x00\xB9\x88\x21\x00" "\x00\x1A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3E"; constexpr size_t kHPz32xLength = std::size(kHPz32x); // Chromebook Samus internal display. constexpr unsigned char kSamus[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x30\xe4\x2e\x04\x00\x00\x00\x00" "\x00\x18\x01\x04\xa5\x1b\x12\x96\x02\x4f\xd5\xa2\x59\x52\x93\x26" "\x17\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\x6d\x6f\x00\x9e\xa0\xa4\x31\x60\x30\x20" "\x3a\x00\x10\xb5\x10\x00\x00\x19\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\x00\x4c" "\x47\x20\x44\x69\x73\x70\x6c\x61\x79\x0a\x20\x20\x00\x00\x00\xfe" "\x00\x4c\x50\x31\x32\x39\x51\x45\x32\x2d\x53\x50\x41\x31\x00\x6c"; constexpr size_t kSamusLength = std::size(kSamus); // Chromebook Eve internal display. constexpr unsigned char kEve[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x4d\x10\x8a\x14\x00\x00\x00\x00" "\x16\x1b\x01\x04\xa5\x1a\x11\x78\x06\xde\x50\xa3\x54\x4c\x99\x26" "\x0f\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\xbb\x62\x60\xa0\x90\x40\x2e\x60\x30\x20" "\x3a\x00\x03\xad\x10\x00\x00\x18\x00\x00\x00\x10\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc" "\x00\x4c\x51\x31\x32\x33\x50\x31\x4a\x58\x33\x32\x0a\x20\x00\xb6"; constexpr size_t kEveLength = std::size(kEve); // A Samsung monitor that supports HDR metadata. constexpr unsigned char kHDRMetadata[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\x2d\xf6\x0d\x00\x0e\x00\x01" "\x01\x1b\x01\x03\x80\x5f\x36\x78\x0a\x23\xad\xa4\x54\x4d\x99\x26" "\x0f\x47\x4a\xbd\xef\x80\x71\x4f\x81\xc0\x81\x00\x81\x80\x95\x00" "\xa9\xc0\xb3\x00\x01\x01\x04\x74\x00\x30\xf2\x70\x5a\x80\xb0\x58" "\x8a\x00\x50\x1d\x74\x00\x00\x1e\x02\x3a\x80\x18\x71\x38\x2d\x40" "\x58\x2c\x45\x00\x50\x1d\x74\x00\x00\x1e\x00\x00\x00\xfd\x00\x18" "\x4b\x0f\x51\x1e\x00\x0a\x20\x20\x20\x20\x20\x20\x00\x00\x00\xfc" "\x00\x53\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x01\x5a" "\x02\x03\x4f\xf0\x53\x5f\x10\x1f\x04\x13\x05\x14\x20\x21\x22\x5d" "\x5e\x62\x63\x64\x07\x16\x03\x12\x2c\x09\x07\x07\x15\x07\x50\x3d" "\x04\xc0\x57\x07\x00\x83\x01\x00\x00\xe2\x00\x0f\xe3\x05\x83\x01" "\x6e\x03\x0c\x00\x30\x00\xb8\x3c\x20\x00\x80\x01\x02\x03\x04\xe6" "\x06\x0d\x01\x73\x6d\x07\x61\x65\x66\xe5\x01\x8b\x84\x90\x01\x01" "\x1d\x80\xd0\x72\x1c\x16\x20\x10\x2c\x25\x80\x50\x1d\x74\x00\x00" "\x9e\x66\x21\x56\xaa\x51\x00\x1e\x30\x46\x8f\x33\x00\x50\x1d\x74" "\x00\x00\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbd"; constexpr size_t kHDRMetadataLength = std::size(kHDRMetadata); // EDID for Dell UP3218K, a 2x1 8K tiled display. constexpr unsigned char kTiledDisplay[] = "\x00\xff\xff\xff\xff\xff\xff\x00\x10\xac\x47\x41\x4c\x34\x37\x41" "\x0b\x21\x01\x04\xb5\x46\x27\x78\x3a\x76\x45\xae\x51\x33\xba\x26" "\x0d\x50\x54\xa5\x4b\x00\x81\x00\xb3\x00\xd1\x00\xa9\x40\x81\x80" "\xd1\xc0\x01\x01\x01\x01\x4d\xd0\x00\xa0\xf0\x70\x3e\x80\x30\x20" "\x35\x00\xba\x89\x21\x00\x00\x1a\x00\x00\x00\xff\x00\x4a\x48\x4e" "\x34\x4a\x33\x33\x47\x41\x37\x34\x4c\x0a\x00\x00\x00\xfc\x00\x44" "\x45\x4c\x4c\x20\x55\x50\x33\x32\x31\x38\x4b\x0a\x00\x00\x00\xfd" "\x00\x18\x4b\x1e\xb4\x6c\x01\x0a\x20\x20\x20\x20\x20\x20\x02\x79" "\x02\x03\x1d\xf1\x50\x10\x1f\x20\x05\x14\x04\x13\x12\x11\x03\x02" "\x16\x15\x07\x06\x01\x23\x09\x1f\x07\x83\x01\x00\x00\xa3\x66\x00" "\xa0\xf0\x70\x1f\x80\x30\x20\x35\x00\xba\x89\x21\x00\x00\x1a\x56" "\x5e\x00\xa0\xa0\xa0\x29\x50\x30\x20\x35\x00\xba\x89\x21\x00\x00" "\x1a\x7c\x39\x00\xa0\x80\x38\x1f\x40\x30\x20\x3a\x00\xba\x89\x21" "\x00\x00\x1a\xa8\x16\x00\xa0\x80\x38\x13\x40\x30\x20\x3a\x00\xba" "\x89\x21\x00\x00\x1a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x47" "\x70\x12\x79\x00\x00\x12\x00\x16\x82\x10\x10\x00\xff\x0e\xdf\x10" "\x00\x00\x00\x00\x00\x44\x45\x4c\x47\x41\x4c\x34\x37\x41\x03\x01" "\x50\x70\x92\x01\x84\xff\x1d\xc7\x00\x1d\x80\x09\x00\xdf\x10\x2f" "\x00\x02\x00\x04\x00\xc1\x42\x01\x84\xff\x1d\xc7\x00\x2f\x80\x1f" "\x00\xdf\x10\x30\x00\x02\x00\x04\x00\xa8\x4e\x01\x04\xff\x0e\xc7" "\x00\x2f\x80\x1f\x00\xdf\x10\x61\x00\x02\x00\x09\x00\x97\x9d\x01" "\x04\xff\x0e\xc7\x00\x2f\x80\x1f\x00\xdf\x10\x2f\x00\x02\x00\x09" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x90"; constexpr size_t kTiledDisplayLength = std::size(kTiledDisplay); const std::string kNoSerialNumber = ""; const gfx::Size kNoMaxImageSize = gfx::Size(0, 0); constexpr uint8_t kNoWeekOfManufactureTag = 0x00; constexpr uint8_t kModelYearTag = 0xff; // 16843009 == 0x01010101 const std::string kGenericBlockZeroHashedSerialNumber = Md5AsHex("16843009"); const std::string kNormalDisplayHashedDescriptorBlockSerialNumber = Md5AsHex("CN4202137Q"); // Primaries coordinates ({RX, RY, GX, GY, BX, BY, WX, WY}) calculated by hand // and rounded to 4 decimal places. constexpr SkColorSpacePrimaries kNormalDisplayPrimaries = { 0.6777f, 0.3086f, 0.2100f, 0.6924f, 0.1465f, 0.0547f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kInternalDisplayPrimaries = { 0.5850f, 0.3604f, 0.3750f, 0.5654f, 0.1553f, 0.0996f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kOverscanDisplayPrimaries = { 0.6396f, 0.3301f, 0.2998f, 0.5996f, 0.1504f, 0.0596f, 0.3125f, 0.3291f}; constexpr SkColorSpacePrimaries kMisdetectedDisplayPrimaries = { 0.6777f, 0.3086f, 0.2100f, 0.6924f, 0.1465f, 0.0547f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kLP2565APrimaries = { 0.6396f, 0.3301f, 0.2998f, 0.6084f, 0.1504f, 0.0596f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kLP2565BPrimaries = { 0.6396f, 0.3301f, 0.2998f, 0.6084f, 0.1504f, 0.0596f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kHPz32xPrimaries = { 0.6738f, 0.3164f, 0.1982f, 0.7197f, 0.1484f, 0.0439f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kSamusPrimaries = { 0.6338f, 0.3477f, 0.3232f, 0.5771f, 0.1514f, 0.0908f, 0.3135f, 0.3291f}; constexpr SkColorSpacePrimaries kEvePrimaries = { 0.6396f, 0.3291f, 0.2998f, 0.5996f, 0.1494f, 0.0596f, 0.3125f, 0.3281f}; constexpr SkColorSpacePrimaries kHDRPrimaries = { 0.6406f, 0.3300f, 0.3007f, 0.6005f, 0.1503f, 0.0605f, 0.2802f, 0.2900f}; constexpr SkColorSpacePrimaries kDellTiledPrimaries = { 0.6807f, 0.3193f, 0.2002f, 0.7285f, 0.1494f, 0.0508f, 0.3134f, 0.3291f}; // Chromaticity primaries in EDID are specified with 10 bits precision. constexpr static float kPrimariesPrecision = 1 / 2048.f; ::testing::AssertionResult SkColorSpacePrimariesEquals( const char* lhs_expr, const char* rhs_expr, const SkColorSpacePrimaries& lhs, const SkColorSpacePrimaries& rhs) { if (!base::IsApproximatelyEqual(lhs.fRX, rhs.fRX, kPrimariesPrecision)) return AssertionFailure() << "fRX: " << lhs.fRX << " != " << rhs.fRX; if (!base::IsApproximatelyEqual(lhs.fRY, rhs.fRY, kPrimariesPrecision)) return AssertionFailure() << "fRY: " << lhs.fRY << " != " << rhs.fRY; if (!base::IsApproximatelyEqual(lhs.fGX, rhs.fGX, kPrimariesPrecision)) return AssertionFailure() << "fGX: " << lhs.fGX << " != " << rhs.fGX; if (!base::IsApproximatelyEqual(lhs.fGY, rhs.fGY, kPrimariesPrecision)) return AssertionFailure() << "fGY: " << lhs.fGY << " != " << rhs.fGY; if (!base::IsApproximatelyEqual(lhs.fBX, rhs.fBX, kPrimariesPrecision)) return AssertionFailure() << "fBX: " << lhs.fBX << " != " << rhs.fBX; if (!base::IsApproximatelyEqual(lhs.fBY, rhs.fBY, kPrimariesPrecision)) return AssertionFailure() << "fBY: " << lhs.fBY << " != " << rhs.fBY; if (!base::IsApproximatelyEqual(lhs.fWX, rhs.fWX, kPrimariesPrecision)) return AssertionFailure() << "fWX: " << lhs.fWX << " != " << rhs.fWX; if (!base::IsApproximatelyEqual(lhs.fWY, rhs.fWY, kPrimariesPrecision)) return AssertionFailure() << "fWY: " << lhs.fWY << " != " << rhs.fWY; return AssertionSuccess(); } } // namespace struct TestParams { std::string test_name; uint16_t manufacturer_id; uint16_t product_id; std::string block_zero_serial_number_hash; std::string descriptor_block_serial_number_hash; gfx::Size max_image_size; std::string display_name; gfx::Size active_pixel_size; int32_t week_of_manufacture; int32_t year_of_manufacture; bool overscan_flag; double gamma; int bits_per_channel; SkColorSpacePrimaries primaries; uint32_t product_code; int64_t index_based_display_id_zero; int64_t edid_based_display_id; std::string manufacturer_id_string; std::string product_id_string; base::flat_set supported_color_primary_matrix_ids; base::flat_set supported_color_transfer_ids; std::optional hdr_static_metadata; std::optional vsync_rate_min; bool tile_scale_to_fit; const unsigned char* edid_blob; size_t edid_blob_length; } kTestCases[] = { {.test_name = "BadDisplayName", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNormalDisplayHashedDescriptorBlockSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP Z 30w", // non-ascii char in display name. .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = 2, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834990092472576, .edid_based_display_id = 1713305697, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kBadDisplayName, .edid_blob_length = kBadDisplayNameLength}, {.test_name = "NormalDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNormalDisplayHashedDescriptorBlockSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = 2, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 51468448, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kNormalDisplay, .edid_blob_length = kNormalDisplayLength}, {.test_name = "NoMaxImageSizeDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNormalDisplayHashedDescriptorBlockSerialNumber, .max_image_size = kNoMaxImageSize, .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = 2, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 403808854, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kNoMaxImageSizeDisplay, .edid_blob_length = kNoMaxImageSizeDisplayLength}, {.test_name = "BlockZeroSerialNumberOnlyDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = 2, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 3094128629, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kBlockZeroSerialNumberOnlyDisplay, .edid_blob_length = kBlockZeroSerialNumberOnlyDisplayLength}, {.test_name = "NoSerialNumberDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = 2, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 2769865770, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kNoSerialNumberDisplay, .edid_blob_length = kNoSerialNumberDisplayLength}, {.test_name = "NoWeekOfManufactureDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNormalDisplayHashedDescriptorBlockSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = kNoWeekOfManufactureTag, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 4082014303, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kNoWeekOfManufactureDisplay, .edid_blob_length = kNoWeekOfManufactureDisplayLength}, {.test_name = "ModelYearDisplay", .manufacturer_id = 0x22f0u, .product_id = 0x6c28u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = kNormalDisplayHashedDescriptorBlockSerialNumber, .max_image_size = gfx::Size(64, 40), .display_name = "HP ZR30w", .active_pixel_size = gfx::Size(2560, 1600), .week_of_manufacture = kModelYearTag, .year_of_manufacture = 2012, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kNormalDisplayPrimaries, .product_code = 586181672, .index_based_display_id_zero = 9834734971736576, .edid_based_display_id = 1070357245, .manufacturer_id_string = "HWP", .product_id_string = "286C", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kModelYearDisplay, .edid_blob_length = kModelYearDisplayLength}, {.test_name = "InternalDisplay", .manufacturer_id = 0x4ca3u, .product_id = 0x4231u, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(26, 16), .display_name = "", .active_pixel_size = gfx::Size(1280, 800), .week_of_manufacture = kNoWeekOfManufactureTag, .year_of_manufacture = 2011, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = -1, .primaries = kInternalDisplayPrimaries, .product_code = 1285767729, .index_based_display_id_zero = 21571318625337344, .edid_based_display_id = 1646280528, .manufacturer_id_string = "SEC", .product_id_string = "3142", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kInternalDisplay, .edid_blob_length = kInternalDisplayLength}, {.test_name = "OverscanDisplay", .manufacturer_id = 0x4c2du, .product_id = 0xfe08u, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(16, 9), .display_name = "SAMSUNG", .active_pixel_size = gfx::Size(1920, 1080), .week_of_manufacture = 41, .year_of_manufacture = 2011, .overscan_flag = true, .gamma = 2.2, .bits_per_channel = -1, .primaries = kOverscanDisplayPrimaries, .product_code = 1278082568, .index_based_display_id_zero = 21442559853606400, .edid_based_display_id = 3766836601, .manufacturer_id_string = "SAM", .product_id_string = "08FE", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 24, .tile_scale_to_fit = false, .edid_blob = kOverscanDisplay, .edid_blob_length = kOverscanDisplayLength}, {.test_name = "MisdetectedDisplay", .manufacturer_id = 0x10ACu, .product_id = 0x6440u, .block_zero_serial_number_hash = Md5AsHex("842018892"), // == LSB of 0x4c, 0x30, 0x30, 0x32 .descriptor_block_serial_number_hash = Md5AsHex("PH5NY13N200L"), .max_image_size = gfx::Size(64, 40), .display_name = "DELL U3011", .active_pixel_size = gfx::Size(1920, 1200), .week_of_manufacture = 12, .year_of_manufacture = 2011, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = -1, .primaries = kMisdetectedDisplayPrimaries, .product_code = 279733312, .index_based_display_id_zero = 4692848143772416, .edid_based_display_id = 1487444765, .manufacturer_id_string = "DEL", .product_id_string = "4064", .supported_color_primary_matrix_ids = {{gfx::ColorSpace::PrimaryID::BT709, gfx::ColorSpace::MatrixID::BT709}, {gfx::ColorSpace::PrimaryID::SMPTE170M, gfx::ColorSpace::MatrixID::SMPTE170M}}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 49, .tile_scale_to_fit = false, .edid_blob = kMisdetectedDisplay, .edid_blob_length = kMisdetectedDisplayLength}, {.test_name = "LP2565A", .manufacturer_id = 0x22f0u, .product_id = 0x7626u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = Md5AsHex("CNK80204HM"), .max_image_size = gfx::Size(52, 33), .display_name = "HP LP2465", .active_pixel_size = gfx::Size(1920, 1200), .week_of_manufacture = 2, .year_of_manufacture = 2008, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = -1, .primaries = kLP2565APrimaries, .product_code = 586184230, .index_based_display_id_zero = 9834630174887424, .edid_based_display_id = 1695949480, .manufacturer_id_string = "HWP", .product_id_string = "2676", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 48, .tile_scale_to_fit = false, .edid_blob = kLP2565A, .edid_blob_length = kLP2565ALength}, {.test_name = "LP2565B", .manufacturer_id = 0x22f0u, .product_id = 0x7526u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = Md5AsHex("CNK80204HM"), .max_image_size = gfx::Size(52, 33), .display_name = "HP LP2465", .active_pixel_size = gfx::Size(1920, 1200), .week_of_manufacture = 2, .year_of_manufacture = 2008, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = -1, .primaries = kLP2565BPrimaries, .product_code = 586183974, .index_based_display_id_zero = 9834630174887424, .edid_based_display_id = 3357789438, .manufacturer_id_string = "HWP", .product_id_string = "2675", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 48, .tile_scale_to_fit = false, .edid_blob = kLP2565B, .edid_blob_length = kLP2565BLength}, {.test_name = "HPz32x", .manufacturer_id = 0x22f0u, .product_id = 0x7532u, .block_zero_serial_number_hash = kGenericBlockZeroHashedSerialNumber, .descriptor_block_serial_number_hash = Md5AsHex("CNC7270MW0"), .max_image_size = gfx::Size(70, 39), .display_name = "HP Z32x", .active_pixel_size = gfx::Size(3840, 2160), .week_of_manufacture = 27, .year_of_manufacture = 2017, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kHPz32xPrimaries, .product_code = 586183986, .index_based_display_id_zero = 9834799315992832, .edid_based_display_id = 129207725, .manufacturer_id_string = "HWP", .product_id_string = "3275", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 24, .tile_scale_to_fit = false, .edid_blob = kHPz32x, .edid_blob_length = kHPz32xLength}, {.test_name = "Samus", .manufacturer_id = 0x30E4u, .product_id = 0x2E04u, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(27, 18), .display_name = "", .active_pixel_size = gfx::Size(2560, 1700), .week_of_manufacture = kNoWeekOfManufactureTag, .year_of_manufacture = 2014, .overscan_flag = false, .gamma = 2.5, .bits_per_channel = 8, .primaries = kSamusPrimaries, .product_code = 820260356, .index_based_display_id_zero = 13761487533244416, .edid_based_display_id = 2825178591, .manufacturer_id_string = "LGD", .product_id_string = "042E", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kSamus, .edid_blob_length = kSamusLength}, {.test_name = "Eve", .manufacturer_id = 0x4D10u, .product_id = 0x8A14u, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(26, 17), .display_name = "LQ123P1JX32", .active_pixel_size = gfx::Size(2400, 1600), .week_of_manufacture = 22, .year_of_manufacture = 2017, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 8, .primaries = kEvePrimaries, .product_code = 1292929556, .index_based_display_id_zero = 21692109949126656, .edid_based_display_id = 2755351929, .manufacturer_id_string = "SHP", .product_id_string = "148A", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = kEve, .edid_blob_length = kEveLength}, {.test_name = "HDRMetadata", .manufacturer_id = 19501u, .product_id = 62989u, .block_zero_serial_number_hash = Md5AsHex("16780800"), // == LSB of 0x00, 0x0e, 0x00 0x01 .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(95, 54), .display_name = "SAMSUNG", .active_pixel_size = gfx::Size(3840, 2160), .week_of_manufacture = 1, .year_of_manufacture = 2017, .overscan_flag = true, .gamma = 2.2, .bits_per_channel = -1, .primaries = kHDRPrimaries, .product_code = 1278080525, .index_based_display_id_zero = 21442559853606400, .edid_based_display_id = 755395064, .manufacturer_id_string = "SAM", .product_id_string = "0DF6", .supported_color_primary_matrix_ids = {{gfx::ColorSpace::PrimaryID::BT709, gfx::ColorSpace::MatrixID::BT709}, {gfx::ColorSpace::PrimaryID::SMPTE170M, gfx::ColorSpace::MatrixID::SMPTE170M}, {gfx::ColorSpace::PrimaryID::BT2020, gfx::ColorSpace::MatrixID::RGB}}, .supported_color_transfer_ids = {gfx::ColorSpace::TransferID::BT709, gfx::ColorSpace::TransferID::PQ, gfx::ColorSpace::TransferID::HLG}, .hdr_static_metadata = std::make_optional( 603.666, 530.095, 0.00454, gfx::HDRStaticMetadata::EotfMask({ gfx::HDRStaticMetadata::Eotf::kGammaSdrRange, gfx::HDRStaticMetadata::Eotf::kPq, })), .vsync_rate_min = 24, .tile_scale_to_fit = false, .edid_blob = kHDRMetadata, .edid_blob_length = kHDRMetadataLength}, {.test_name = "TiledDisplay", .manufacturer_id = 0x10ac, .product_id = 0x4741, .block_zero_serial_number_hash = "d79ced90548d0c97fee4406b172c6fb9", .descriptor_block_serial_number_hash = "684333ab7cf4f22ae964878f967d7a13", .max_image_size = gfx::Size(70, 39), .display_name = "DELL UP3218K", .active_pixel_size = gfx::Size(3840, 2160), .week_of_manufacture = 11, .year_of_manufacture = 2023, .overscan_flag = false, .gamma = 2.2, .bits_per_channel = 10, .primaries = kDellTiledPrimaries, .product_code = 279725889, .index_based_display_id_zero = 4693236086999552, .edid_based_display_id = 4170208605, .manufacturer_id_string = "DEL", .product_id_string = "4147", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = 24, .tile_scale_to_fit = true, .edid_blob = kTiledDisplay, .edid_blob_length = kTiledDisplayLength}, // Empty Edid, which is tantamount to error. {.test_name = "EmptyEdid", .manufacturer_id = 0, .product_id = 0, .block_zero_serial_number_hash = kNoSerialNumber, .descriptor_block_serial_number_hash = kNoSerialNumber, .max_image_size = gfx::Size(0, 0), .display_name = "", .active_pixel_size = gfx::Size(0, 0), .week_of_manufacture = kNoWeekOfManufactureTag, .year_of_manufacture = display::kInvalidYearOfManufacture, .overscan_flag = false, .gamma = 0.0, .bits_per_channel = -1, .primaries = SkColorSpacePrimaries(), .product_code = 0, .index_based_display_id_zero = 0, // Not zero because we're still hashing some string of zero/empty values. .edid_based_display_id = 710538554, .manufacturer_id_string = "@@@", .product_id_string = "0000", .supported_color_primary_matrix_ids = {}, .supported_color_transfer_ids = {}, .hdr_static_metadata = std::nullopt, .vsync_rate_min = std::nullopt, .tile_scale_to_fit = false, .edid_blob = nullptr, .edid_blob_length = 0u}, }; class EDIDParserTest : public TestWithParam { public: EDIDParserTest() : parser_(std::vector( GetParam().edid_blob, UNSAFE_TODO(GetParam().edid_blob + GetParam().edid_blob_length))) {} EDIDParserTest(const EDIDParserTest&) = delete; EDIDParserTest& operator=(const EDIDParserTest&) = delete; const EdidParser parser_; }; TEST_P(EDIDParserTest, ParseEdids) { std::vector expected_edid( GetParam().edid_blob, UNSAFE_TODO(GetParam().edid_blob + GetParam().edid_blob_length)); EXPECT_EQ(parser_.edid_blob(), expected_edid); EXPECT_EQ(parser_.manufacturer_id(), GetParam().manufacturer_id); EXPECT_EQ(parser_.product_id(), GetParam().product_id); EXPECT_EQ(parser_.block_zero_serial_number_hash(), GetParam().block_zero_serial_number_hash); EXPECT_EQ(parser_.descriptor_block_serial_number_hash(), GetParam().descriptor_block_serial_number_hash); EXPECT_EQ(parser_.max_image_size(), GetParam().max_image_size); EXPECT_EQ(parser_.display_name(), GetParam().display_name); EXPECT_EQ(parser_.active_pixel_size(), GetParam().active_pixel_size); EXPECT_EQ(parser_.week_of_manufacture(), GetParam().week_of_manufacture); EXPECT_EQ(parser_.year_of_manufacture(), GetParam().year_of_manufacture); EXPECT_EQ(parser_.has_overscan_flag(), GetParam().overscan_flag); if (parser_.has_overscan_flag()) EXPECT_EQ(parser_.overscan_flag(), GetParam().overscan_flag); EXPECT_DOUBLE_EQ(parser_.gamma(), GetParam().gamma); EXPECT_EQ(parser_.bits_per_channel(), GetParam().bits_per_channel); EXPECT_PRED_FORMAT2(SkColorSpacePrimariesEquals, parser_.primaries(), GetParam().primaries); EXPECT_EQ(parser_.GetProductCode(), GetParam().product_code); EXPECT_EQ(parser_.GetIndexBasedDisplayId(0 /* product_index */), GetParam().index_based_display_id_zero); EXPECT_EQ(parser_.GetEdidBasedDisplayId(), GetParam().edid_based_display_id); EXPECT_EQ(EdidParser::ManufacturerIdToString(parser_.manufacturer_id()), GetParam().manufacturer_id_string); EXPECT_EQ(EdidParser::ProductIdToString(parser_.product_id()), GetParam().product_id_string); EXPECT_EQ(GetParam().supported_color_primary_matrix_ids, parser_.supported_color_primary_matrix_ids()); EXPECT_EQ(GetParam().supported_color_transfer_ids, parser_.supported_color_transfer_ids()); const std::optional hdr_static_metadata = parser_.hdr_static_metadata(); EXPECT_EQ(GetParam().hdr_static_metadata.has_value(), hdr_static_metadata.has_value()); if (GetParam().hdr_static_metadata.has_value() && hdr_static_metadata.has_value()) { constexpr double epsilon = 0.001; EXPECT_NEAR(GetParam().hdr_static_metadata->max, hdr_static_metadata->max, epsilon); EXPECT_NEAR(GetParam().hdr_static_metadata->max_avg, hdr_static_metadata->max_avg, epsilon); EXPECT_NEAR(GetParam().hdr_static_metadata->min, hdr_static_metadata->min, epsilon); } const std::optional vsync_rate_min = parser_.vsync_rate_min(); EXPECT_EQ(GetParam().vsync_rate_min.has_value(), vsync_rate_min.has_value()); if (GetParam().vsync_rate_min.has_value() && vsync_rate_min.has_value()) { EXPECT_EQ(vsync_rate_min.value(), GetParam().vsync_rate_min.value()); } EXPECT_EQ(parser_.TileCanScaleToFit(), GetParam().tile_scale_to_fit); } INSTANTIATE_TEST_SUITE_P( All, EDIDParserTest, ValuesIn(kTestCases), [](const testing::TestParamInfo& info) { return info.param.test_name; }); } // namespace display