kc3-lang/angle/src/libANGLE/renderer/vulkan/DeviceVk.cpp

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• Hash : 81d964a1
  Author :
  Date : 2021-10-28T10:50:51
  

  vulkan: implement EGLDevice for vulkan backend
  
  It allows ANGLE clients to get and use VkDevice and VkQueue
  used by vulkan backend.
  
  Bug: chromium:1264439
  Change-Id: I338ac08152cfec50bb34c5025730e5e6368efba9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3250964
  Reviewed-by: Peng Huang <penghuang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Peng Huang <penghuang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/DeviceVk.cpp

• //
  // Copyright 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.
  //
  // DeviceVk.cpp:
  //    Implements the class methods for DeviceVk.
  //
  
  #include "libANGLE/renderer/vulkan/DeviceVk.h"
  
  #include <stdint.h>
  
  #include "common/debug.h"
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/vulkan/DisplayVk.h"
  #include "libANGLE/renderer/vulkan/RendererVk.h"
  
  namespace rx
  {
  
  DeviceVk::DeviceVk() = default;
  
  DeviceVk::~DeviceVk() = default;
  
  egl::Error DeviceVk::initialize()
  {
      return egl::NoError();
  }
  
  egl::Error DeviceVk::getAttribute(const egl::Display *display, EGLint attribute, void **outValue)
  {
      RendererVk *renderer =
          static_cast<rx::DisplayVk *>(display->getImplementation())->getRenderer();
      switch (attribute)
      {
          case EGL_VULKAN_DEVICE_ANGLE:
          {
              *outValue = renderer->getDevice();
              return egl::NoError();
          }
          case EGL_VULKAN_PHYSICAL_DEVICE_ANGLE:
          {
              *outValue = renderer->getPhysicalDevice();
              return egl::NoError();
          }
          case EGL_VULKAN_QUEUE_ANGLE:
          {
              // egl::ContextPriority::Medium is the default context priority.
              *outValue = renderer->getQueue(egl::ContextPriority::Medium);
              return egl::NoError();
          }
          case EGL_VULKAN_QUEUE_FAMILIY_INDEX_ANGLE:
          {
              intptr_t index = static_cast<intptr_t>(renderer->getQueueFamilyIndex());
              *outValue      = reinterpret_cast<void *>(index);
              return egl::NoError();
          }
          case EGL_VULKAN_EXTENSIONS_ANGLE:
          {
              char **extensions = const_cast<char **>(renderer->getEnabledDeviceExtensions().data());
              *outValue         = reinterpret_cast<void *>(extensions);
              return egl::NoError();
          }
          default:
              return egl::EglBadAccess();
      }
  }
  
  EGLint DeviceVk::getType()
  {
      return EGL_VULKAN_DEVICE_ANGLE;
  }
  
  void DeviceVk::generateExtensions(egl::DeviceExtensions *outExtensions) const
  {
      outExtensions->deviceVulkan = true;
  }
  
  }  // namespace rx
  

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