kc3-lang/angle/src/gpu_info_util/SystemInfo_internal.h

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• Hash : e53efb18
  Author :
  Date : 2020-11-03T16:22:19
  

  Allow choosing EAGL or CGL at runtime
  
  Dean Jackson made this change downstream in WebKit:
  https://bugs.webkit.org/show_bug.cgi?id=216722
  
  Change ANGLE to dynamically load either EAGL (OpenGLES) or CGL (OpenGL)
  depending on both compile and runtime configurations.
      Intel Mac -> CGL
      Intel Mac Catalyst -> CGL
      Intel iOS Simulator -> EAGL
      iOS Device -> EAGL
      Apple Silicon Mac -> CGL
      Apple Silicon Mac Catalyst (with Mac app) -> CGL
      Apple Silicon Mac Catalyst (with iOS app) -> EAGL
  
  The trickiest bit is Apple Silicon Mac Catalyst, which depends on the
  type of the application it is attempting to run. In that case ANGLE must
  compile both the CGL and EAGL interfaces and then pick one to use after
  launch.
  
  Bug: angleproject:5253
  Change-Id: Iba167b3cc3105e457dcfc9bc14147d0fc3e70bac
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2500185
  Commit-Queue: James Darpinian <jdarpinian@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  

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• src/gpu_info_util/SystemInfo_internal.h

• //
  // Copyright 2013 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.
  //
  
  // SystemInfo_internal.h: Functions used by the SystemInfo_* files and unittests
  
  #ifndef GPU_INFO_UTIL_SYSTEM_INFO_INTERNAL_H_
  #define GPU_INFO_UTIL_SYSTEM_INFO_INTERNAL_H_
  
  #include "gpu_info_util/SystemInfo.h"
  
  namespace angle
  {
  
  // Defined in SystemInfo_libpci when GPU_INFO_USE_LIBPCI is defined.
  bool GetPCIDevicesWithLibPCI(std::vector<GPUDeviceInfo> *devices);
  // Defined in SystemInfo_x11 when GPU_INFO_USE_X11 is defined.
  bool GetNvidiaDriverVersionWithXNVCtrl(std::string *version);
  
  // Target specific helper functions that can be compiled on all targets
  // Live in SystemInfo.cpp
  bool ParseAMDBrahmaDriverVersion(const std::string &content, std::string *version);
  bool ParseAMDCatalystDriverVersion(const std::string &content, std::string *version);
  bool ParseMacMachineModel(const std::string &identifier,
                            std::string *type,
                            int32_t *major,
                            int32_t *minor);
  bool CMDeviceIDToDeviceAndVendorID(const std::string &id, uint32_t *vendorId, uint32_t *deviceId);
  
  #if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
  bool GetSystemInfo_mac(SystemInfo *info);
  #endif
  
  #if defined(ANGLE_PLATFORM_IOS) || (defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64))
  bool GetSystemInfo_ios(SystemInfo *info);
  #endif
  
  }  // namespace angle
  
  #endif  // GPU_INFO_UTIL_SYSTEM_INFO_INTERNAL_H_
  

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