kc3-lang/angle/src/libANGLE/renderer/driver_utils.cpp

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• Hash : 4af4951f
  Author :
  Date : 2016-12-26T13:12:22
  

  Tighten the workaround for B5G6R5 on Intel drivers
  
  This driver bug has been fixed in 20.19.15.4539.
  
  BUG=chromium:644610
  TEST=dEQP-GLES3.functional.fbo.blit.default_framebuffer.rgb565*
  
  Change-Id: I37556304ed4f70771fb88b792c01b6be5b3aa294
  Reviewed-on: https://chromium-review.googlesource.com/424103
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/driver_utils.cpp

• //
  // Copyright (c) 2016 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // driver_utils.h : provides more information about current driver.
  
  #include <algorithm>
  
  #include "libANGLE/renderer/driver_utils.h"
  
  namespace rx
  {
  // Intel
  // Referenced from https://cgit.freedesktop.org/vaapi/intel-driver/tree/src/i965_pciids.h
  namespace
  {
  // gen7
  const uint32_t Haswell[] = {
      0x0402, 0x0406, 0x040A, 0x040B, 0x040E, 0x0C02, 0x0C06, 0x0C0A, 0x0C0B, 0x0C0E,
      0x0A02, 0x0A06, 0x0A0A, 0x0A0B, 0x0A0E, 0x0D02, 0x0D06, 0x0D0A, 0x0D0B, 0x0D0E,  // hsw_gt1
      0x0412, 0x0416, 0x041A, 0x041B, 0x041E, 0x0C12, 0x0C16, 0x0C1A, 0x0C1B, 0x0C1E,
      0x0A12, 0x0A16, 0x0A1A, 0x0A1B, 0x0A1E, 0x0D12, 0x0D16, 0x0D1A, 0x0D1B, 0x0D1E,  // hsw_gt2
      0x0422, 0x0426, 0x042A, 0x042B, 0x042E, 0x0C22, 0x0C26, 0x0C2A, 0x0C2B, 0x0C2E,
      0x0A22, 0x0A26, 0x0A2A, 0x0A2B, 0x0A2E, 0x0D22, 0x0D26, 0x0D2A, 0x0D2B, 0x0D2E  // hsw_gt3
  };
  
  // gen8
  const uint32_t Broadwell[] = {0x1602, 0x1606, 0x160A, 0x160B, 0x160D, 0x160E,
                                0x1612, 0x1616, 0x161A, 0x161B, 0x161D, 0x161E,
                                0x1622, 0x1626, 0x162A, 0x162B, 0x162D, 0x162E};
  
  const uint32_t CherryView[] = {0x22B0, 0x22B1, 0x22B2, 0x22B3};
  
  // gen9
  const uint32_t Skylake[] = {0x1902, 0x1906, 0x190A, 0x190B, 0x190E, 0x1912, 0x1913, 0x1915, 0x1916,
                              0x1917, 0x191A, 0x191B, 0x191D, 0x191E, 0x1921, 0x1923, 0x1926, 0x1927,
                              0x192A, 0x192B, 0x192D, 0x1932, 0x193A, 0x193B, 0x193D};
  
  const uint32_t Broxton[] = {0x0A84, 0x1A84, 0x1A85, 0x5A84, 0x5A85};
  
  // gen9p5
  const uint32_t Kabylake[] = {0x5916, 0x5913, 0x5906, 0x5926, 0x5921, 0x5915, 0x590E,
                               0x591E, 0x5912, 0x5917, 0x5902, 0x591B, 0x593B, 0x590B,
                               0x591A, 0x590A, 0x591D, 0x5908, 0x5923, 0x5927};
  
  }  // anonymous namespace
  
  IntelDriverVersion::IntelDriverVersion(uint16_t lastPart) : mVersionPart(lastPart)
  {
  }
  
  bool IntelDriverVersion::operator==(const IntelDriverVersion &version)
  {
      return mVersionPart == version.mVersionPart;
  }
  
  bool IntelDriverVersion::operator!=(const IntelDriverVersion &version)
  {
      return !(*this == version);
  }
  
  bool IntelDriverVersion::operator<(const IntelDriverVersion &version)
  {
      // See http://www.intel.com/content/www/us/en/support/graphics-drivers/000005654.html to
      // understand the Intel graphics driver version number on Windows.
      // mVersionPart1 changes with OS version. mVersionPart2 changes with DirectX version.
      // mVersionPart3 stands for release year. mVersionPart4 is driver specific unique version
      // number.
      // For example: Intel driver version '20.19.15.4539'
      //              20   -> windows 10 driver
      //              19   -> DirectX 12 first version(12.0) supported
      //              15   -> Driver released in 2015
      //              4539 -> Driver specific unique version number
      // For linux, Intel graphics driver version is the mesa version. The version number has three
      // parts: major revision, minor revision, release number. So, for linux, we need to compare
      // three parts.
      // Currently, it's only used in windows. So, checking the last part is enough. Once it's needed
      // in other platforms, it's easy to be extended.
      return mVersionPart < version.mVersionPart;
  }
  
  bool IntelDriverVersion::operator>=(const IntelDriverVersion &version)
  {
      return !(*this < version);
  }
  
  bool IsHaswell(uint32_t DeviceId)
  {
      return std::find(std::begin(Haswell), std::end(Haswell), DeviceId) != std::end(Haswell);
  }
  
  bool IsBroadwell(uint32_t DeviceId)
  {
      return std::find(std::begin(Broadwell), std::end(Broadwell), DeviceId) != std::end(Broadwell);
  }
  
  bool IsCherryView(uint32_t DeviceId)
  {
      return std::find(std::begin(CherryView), std::end(CherryView), DeviceId) !=
             std::end(CherryView);
  }
  
  bool IsSkylake(uint32_t DeviceId)
  {
      return std::find(std::begin(Skylake), std::end(Skylake), DeviceId) != std::end(Skylake);
  }
  
  bool IsBroxton(uint32_t DeviceId)
  {
      return std::find(std::begin(Broxton), std::end(Broxton), DeviceId) != std::end(Broxton);
  }
  
  bool IsKabylake(uint32_t DeviceId)
  {
      return std::find(std::begin(Kabylake), std::end(Kabylake), DeviceId) != std::end(Kabylake);
  }
  
  }  // namespace rx

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