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

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• Hash : 32f572b7
  Author :
  Date : 2021-12-03T17:58:51
  

  Support creating EGLImage from VkImage
  
  Bug: chromium:1264439
  Change-Id: I520182143e748f25b44d0725f3f171b7b33a85d8
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3311131
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Peng Huang <penghuang@chromium.org>
  

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

• //
  // 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.
  //
  
  // VkImageImageSiblingVk.cpp: Implements VkImageImageSiblingVk.
  
  #include "libANGLE/renderer/vulkan/VkImageImageSiblingVk.h"
  
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/vulkan/DisplayVk.h"
  #include "libANGLE/renderer/vulkan/RendererVk.h"
  
  namespace rx
  {
  
  VkImageImageSiblingVk::VkImageImageSiblingVk(EGLClientBuffer buffer,
                                               const egl::AttributeMap &attribs)
  {
      mVkImage.setHandle(*reinterpret_cast<VkImage *>(buffer));
  
      ASSERT(attribs.contains(EGL_VULKAN_IMAGE_CREATE_INFO_HI_ANGLE));
      ASSERT(attribs.contains(EGL_VULKAN_IMAGE_CREATE_INFO_LO_ANGLE));
      uint64_t hi = static_cast<uint64_t>(attribs.get(EGL_VULKAN_IMAGE_CREATE_INFO_HI_ANGLE));
      uint64_t lo = static_cast<uint64_t>(attribs.get(EGL_VULKAN_IMAGE_CREATE_INFO_LO_ANGLE));
      const VkImageCreateInfo *info =
          reinterpret_cast<const VkImageCreateInfo *>((hi << 32) | (lo & 0xffffffff));
      ASSERT(info->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
      mVkImageInfo = *info;
      // TODO(penghuang): support extensions.
      mVkImageInfo.pNext = nullptr;
  }
  
  VkImageImageSiblingVk::~VkImageImageSiblingVk() = default;
  
  egl::Error VkImageImageSiblingVk::initialize(const egl::Display *display)
  {
      DisplayVk *displayVk = vk::GetImpl(display);
      return angle::ToEGL(initImpl(displayVk), displayVk, EGL_BAD_PARAMETER);
  }
  
  angle::Result VkImageImageSiblingVk::initImpl(DisplayVk *displayVk)
  {
      RendererVk *renderer = displayVk->getRenderer();
  
      const angle::FormatID formatID = vk::GetFormatIDFromVkFormat(mVkImageInfo.format);
      ANGLE_VK_CHECK(displayVk, formatID != angle::FormatID::NONE, VK_ERROR_FORMAT_NOT_SUPPORTED);
  
      const vk::Format &vkFormat             = renderer->getFormat(formatID);
      const angle::FormatID intendedFormatID = vkFormat.getIntendedFormatID();
      const vk::ImageAccess imageAccess =
          isRenderable(nullptr) ? vk::ImageAccess::Renderable : vk::ImageAccess::SampleOnly;
      const angle::FormatID actualImageFormatID = vkFormat.getActualImageFormatID(imageAccess);
      const angle::Format &format               = angle::Format::Get(actualImageFormatID);
      mFormat                                   = gl::Format(format.glInternalFormat);
  
      // Create the image
      mImage                              = new vk::ImageHelper();
      constexpr bool kIsRobustInitEnabled = false;
      mImage->init2DWeakReference(displayVk, mVkImage.release(), getSize(), false, intendedFormatID,
                                  actualImageFormatID, 1, kIsRobustInitEnabled);
  
      return angle::Result::Continue;
  }
  
  void VkImageImageSiblingVk::onDestroy(const egl::Display *display)
  {
      ASSERT(mImage == nullptr);
  }
  
  gl::Format VkImageImageSiblingVk::getFormat() const
  {
      return mFormat;
  }
  
  bool VkImageImageSiblingVk::isRenderable(const gl::Context *context) const
  {
      return mVkImageInfo.usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
  }
  
  bool VkImageImageSiblingVk::isTexturable(const gl::Context *context) const
  {
      return mVkImageInfo.usage & VK_IMAGE_USAGE_SAMPLED_BIT;
  }
  
  bool VkImageImageSiblingVk::isYUV() const
  {
      return false;
  }
  
  bool VkImageImageSiblingVk::hasProtectedContent() const
  {
      return false;
  }
  
  gl::Extents VkImageImageSiblingVk::getSize() const
  {
      return gl::Extents(mVkImageInfo.extent.width, mVkImageInfo.extent.height,
                         mVkImageInfo.extent.depth);
  }
  
  size_t VkImageImageSiblingVk::getSamples() const
  {
      return 0;
  }
  
  // ExternalImageSiblingVk interface
  vk::ImageHelper *VkImageImageSiblingVk::getImage() const
  {
      return mImage;
  }
  
  void VkImageImageSiblingVk::release(RendererVk *renderer)
  {
      if (mImage != nullptr)
      {
          // TODO: Handle the case where the EGLImage is used in two contexts not in the same share
          // group.  https://issuetracker.google.com/169868803
          mImage->resetImageWeakReference();
          mImage->destroy(renderer);
          SafeDelete(mImage);
      }
  }
  
  }  // namespace rx
  

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