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

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• Hash : af51a287
  Author :
  Date : 2022-04-12T11:04:30
  

  Vulkan: Enum class instead of bool didRespecify
  
  Bug: angleproject:6909
  Change-Id: I1e90df54f89717a419e6b647e5f2ee6972d9a904
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3583607
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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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), 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
          TextureUpdateResult updateResult = TextureUpdateResult::ImageUnaffected;
          ANGLE_TRY(ResultToEGL(textureVk->ensureRenderable(contextVk, &updateResult)));
  
          // 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;
      }
      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;
      }
  
      // 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();
  }
  
  gl::TextureType ImageVk::getImageTextureType() const
  {
      return mState.imageIndex.getType();
  }
  
  gl::LevelIndex ImageVk::getImageLevel() const
  {
      return gl::LevelIndex(mState.imageIndex.getLevelIndex());
  }
  
  uint32_t ImageVk::getImageLayer() const
  {
      return mState.imageIndex.hasLayer() ? mState.imageIndex.getLayerIndex() : 0;
  }
  
  }  // namespace rx
  

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