kc3-lang/angle/src/libANGLE/renderer/metal/DeviceMtl.mm

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• Hash : 4ac6ea2a
  Author :
  Date : 2020-07-18T21:05:37
  

  Metal: implement ANGLE_device_metal extension.
  
  Allow user to query internal MTLDevice used by Metal back-end.
  
  Bug: angleproject:2634
  Change-Id: I9b0a6eaad8c634069f43e47d5f4f88f61da35f74
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2757810
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/metal/DeviceMtl.mm

• //
  // Copyright 2021 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.
  //
  
  // DeviceMtl: Metal implementation of egl::Device
  
  #include "libANGLE/renderer/metal/DeviceMtl.h"
  
  #include "libANGLE/Device.h"
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/metal/DisplayMtl.h"
  
  #include <EGL/eglext.h>
  namespace rx
  {
  
  // DeviceMtl implementation, implements DeviceImpl
  DeviceMtl::DeviceMtl() {}
  DeviceMtl::~DeviceMtl() {}
  
  egl::Error DeviceMtl::initialize()
  {
      return egl::NoError();
  }
  egl::Error DeviceMtl::getAttribute(const egl::Display *display, EGLint attribute, void **outValue)
  {
      DisplayMtl *displayImpl = mtl::GetImpl(display);
  
      switch (attribute)
      {
          case EGL_METAL_DEVICE_ANGLE:
              *outValue = displayImpl->getMetalDevice();
              break;
          default:
              return egl::EglBadAttribute();
      }
  
      return egl::NoError();
  }
  EGLint DeviceMtl::getType()
  {
      return 0;
  }
  void DeviceMtl::generateExtensions(egl::DeviceExtensions *outExtensions) const
  {
      outExtensions->deviceMetal = true;
  }
  
  }
  

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