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

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• Hash : caf6433a
  Author :
  Date : 2022-01-04T14:37:29
  

  Vulkan: Rename releaseStagingBuffer to releaseStagedUpdate
  
  There is no more per ImageHelper dynamic buffer for staging, and this
  function is not just removing staging buffer, but removing all staged
  updates. Rename it to reflect what it actually does.
  
  Bug: b/208323792
  Change-Id: I5a2182291848a9e137ed29b888f31215664b46fd
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3367078
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Commit-Queue: Charlie Lao <cclao@google.com>
  

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• src/libANGLE/renderer/vulkan/ImageVk.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.
  //
  // ImageVk.cpp:
  //    Implements the class methods for ImageVk.
  //
  
  #include "libANGLE/renderer/vulkan/ImageVk.h"
  
  #include "common/debug.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/vulkan/ContextVk.h"
  #include "libANGLE/renderer/vulkan/DisplayVk.h"
  #include "libANGLE/renderer/vulkan/RenderbufferVk.h"
  #include "libANGLE/renderer/vulkan/TextureVk.h"
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  
  namespace rx
  {
  
  ImageVk::ImageVk(const egl::ImageState &state, const gl::Context *context)
      : ImageImpl(state), mImageLevel(0), mOwnsImage(false), mImage(nullptr), mContext(context)
  {}
  
  ImageVk::~ImageVk() {}
  
  void ImageVk::onDestroy(const egl::Display *display)
  {
      DisplayVk *displayVk = vk::GetImpl(display);
      RendererVk *renderer = displayVk->getRenderer();
  
      if (mImage != nullptr && mOwnsImage)
      {
          // TODO: We need to handle the case that EGLImage used in two context that aren't shared.
          // https://issuetracker.google.com/169868803
          mImage->releaseImage(renderer);
          mImage->releaseStagedUpdates(renderer);
          SafeDelete(mImage);
      }
      else if (egl::IsExternalImageTarget(mState.target))
      {
          ASSERT(mState.source != nullptr);
          ExternalImageSiblingVk *externalImageSibling =
              GetImplAs<ExternalImageSiblingVk>(GetAs<egl::ExternalImageSibling>(mState.source));
          externalImageSibling->release(renderer);
          mImage = nullptr;
  
          // This is called as a special case where resources may be allocated by the caller, without
          // the caller ever issuing a draw command to free them. Specifically, SurfaceFlinger
          // optimistically allocates EGLImages that it may never draw to.
          renderer->cleanupCompletedCommandsGarbage();
      }
  }
  
  egl::Error ImageVk::initialize(const egl::Display *display)
  {
      if (egl::IsTextureTarget(mState.target))
      {
          ASSERT(mContext != nullptr);
          ContextVk *contextVk = vk::GetImpl(mContext);
          TextureVk *textureVk = GetImplAs<TextureVk>(GetAs<gl::Texture>(mState.source));
  
          // Make sure the texture uses renderable format
          ANGLE_TRY(ResultToEGL(textureVk->ensureRenderable(contextVk)));
  
          // Make sure the texture has created its backing storage
          ANGLE_TRY(ResultToEGL(
              textureVk->ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels)));
  
          mImage = &textureVk->getImage();
  
          // The staging buffer for a texture source should already be initialized
  
          mOwnsImage = false;
  
          mImageTextureType = mState.imageIndex.getType();
          mImageLevel       = gl::LevelIndex(mState.imageIndex.getLevelIndex());
          mImageLayer       = mState.imageIndex.hasLayer() ? mState.imageIndex.getLayerIndex() : 0;
      }
      else
      {
          if (egl::IsRenderbufferTarget(mState.target))
          {
              RenderbufferVk *renderbufferVk =
                  GetImplAs<RenderbufferVk>(GetAs<gl::Renderbuffer>(mState.source));
              mImage = renderbufferVk->getImage();
  
              ASSERT(mContext != nullptr);
          }
          else if (egl::IsExternalImageTarget(mState.target))
          {
              const ExternalImageSiblingVk *externalImageSibling =
                  GetImplAs<ExternalImageSiblingVk>(GetAs<egl::ExternalImageSibling>(mState.source));
              mImage = externalImageSibling->getImage();
  
              ASSERT(mContext == nullptr);
          }
          else
          {
              UNREACHABLE();
              return egl::EglBadAccess();
          }
  
          mOwnsImage        = false;
          mImageTextureType = gl::TextureType::_2D;
          mImageLevel       = gl::LevelIndex(0);
          mImageLayer       = 0;
      }
  
      // mContext is no longer needed, make sure it's not used by accident.
      mContext = nullptr;
  
      return egl::NoError();
  }
  
  angle::Result ImageVk::orphan(const gl::Context *context, egl::ImageSibling *sibling)
  {
      if (sibling == mState.source)
      {
          if (egl::IsTextureTarget(mState.target))
          {
              TextureVk *textureVk = GetImplAs<TextureVk>(GetAs<gl::Texture>(mState.source));
              ASSERT(mImage == &textureVk->getImage());
              textureVk->releaseOwnershipOfImage(context);
              mOwnsImage = true;
          }
          else if (egl::IsRenderbufferTarget(mState.target))
          {
              RenderbufferVk *renderbufferVk =
                  GetImplAs<RenderbufferVk>(GetAs<gl::Renderbuffer>(mState.source));
              ASSERT(mImage == renderbufferVk->getImage());
              renderbufferVk->releaseOwnershipOfImage(context);
              mOwnsImage = true;
          }
          else
          {
              ANGLE_VK_UNREACHABLE(vk::GetImpl(context));
              return angle::Result::Stop;
          }
      }
  
      // Grab a fence from the releasing context to know when the image is no longer used
      ASSERT(context != nullptr);
      ContextVk *contextVk = vk::GetImpl(context);
  
      // Flush the context to make sure the fence has been submitted.
      return contextVk->flushImpl(nullptr, RenderPassClosureReason::ImageOrphan);
  }
  
  egl::Error ImageVk::exportVkImage(void *vkImage, void *vkImageCreateInfo)
  {
      *reinterpret_cast<VkImage *>(vkImage) = mImage->getImage().getHandle();
      auto *info = reinterpret_cast<VkImageCreateInfo *>(vkImageCreateInfo);
      *info      = mImage->getVkImageCreateInfo();
      return egl::NoError();
  }
  
  }  // namespace rx
  

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