kc3-lang/angle/src/libANGLE/renderer/gl/apple/DisplayApple_api.cpp

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• Hash : d33a2222
  Author :
  Date : 2021-04-26T16:56:15
  

  Upstream Apple's direct-to-Metal backend: compile libANGLE.
  
  This change is meant to merge the metal backend changes from Apple's
  direct-to-Metal backend. Taken from Kyle Piddington's CL:
  https://chromium-review.googlesource.com/c/angle/angle/+/2857366/
  The goal of this CL is to merge the metal backend code in a state
  that compiles, but not to switch the Metal backend over to using
  the direct-to-metal backend yet.
  
  Bug: angleproject:5505
  Bug: angleproject:6127
  Change-Id: If6783e06e0086b3a1dd25c6f53caca5cfc96cb86
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2950067
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  

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• src/libANGLE/renderer/gl/apple/DisplayApple_api.cpp

• //
  // Copyright 2020 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.
  //
  // DisplayApple_api.cpp:
  //    Chooses CGL or EAGL either at compile time or runtime based on the platform.
  //
  
  #ifndef LIBANGLE_RENDERER_GL_APPLE_DISPLAYAPPLE_API_H_
  #define LIBANGLE_RENDERER_GL_APPLE_DISPLAYAPPLE_API_H_
  
  #include "gpu_info_util/SystemInfo.h"
  #include "libANGLE/renderer/DisplayImpl.h"
  
  #if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
  #    include "libANGLE/renderer/gl/cgl/DisplayCGL.h"
  #    if defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64)
  #        include "libANGLE/renderer/gl/eagl/DisplayEAGL.h"
  #    endif
  #elif defined(ANGLE_PLATFORM_IOS)
  #    include "libANGLE/renderer/gl/eagl/DisplayEAGL.h"
  #endif
  
  namespace rx
  {
  
  DisplayImpl *CreateDisplayCGLOrEAGL(const egl::DisplayState &state)
  {
  #if defined(ANGLE_PLATFORM_MACOS)
      return new rx::DisplayCGL(state);
  #elif defined(ANGLE_PLATFORM_MACCATALYST)
  #    if defined(ANGLE_CPU_ARM64)
      angle::SystemInfo info;
      if (!angle::GetSystemInfo(&info))
      {
          return nullptr;
      }
  
      if (info.needsEAGLOnMac)
      {
          return new rx::DisplayEAGL(state);
      }
      else
      {
          return new rx::DisplayCGL(state);
      }
  #    else
      return new rx::DisplayCGL(state);
  #    endif
  #elif defined(ANGLE_PLATFORM_IOS)
      return new rx::DisplayEAGL(state);
  #endif
  }
  
  }  // namespace rx
  
  #endif /* LIBANGLE_RENDERER_GL_APPLE_DISPLAYAPPLE_API_H_ */
  

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