impeller::BlitCopyBufferToTextureCommandVK Struct Reference

#include <blit_command_vk.h>

Inheritance diagram for impeller::BlitCopyBufferToTextureCommandVK:

Public Member Functions
	~BlitCopyBufferToTextureCommandVK () override
std::string	GetLabel () const override
bool	Encode (CommandEncoderVK &encoder) const override
Public Member Functions inherited from impeller::BlitEncodeVK
virtual	~BlitEncodeVK ()

Additional Inherited Members
Static Public Member Functions inherited from impeller::BackendCast< BlitEncodeVK, BlitCommand >
static BlitEncodeVK &	Cast (BlitCommand &base)
static const BlitEncodeVK &	Cast (const BlitCommand &base)
static BlitEncodeVK *	Cast (BlitCommand *base)
static const BlitEncodeVK *	Cast (const BlitCommand *base)
Public Attributes inherited from impeller::BlitCopyBufferToTextureCommand
BufferView	source
std::shared_ptr< Texture >	destination
IPoint	destination_origin
Public Attributes inherited from impeller::BlitCommand
std::string	label

Detailed Description

Definition at line 47 of file blit_command_vk.h.

Constructor & Destructor Documentation

~BlitCopyBufferToTextureCommandVK()

impeller::BlitCopyBufferToTextureCommandVK::~BlitCopyBufferToTextureCommandVK ( )

overridedefault

BlitCopyBufferToTextureCommandVK

Member Function Documentation

Encode()

bool impeller::BlitCopyBufferToTextureCommandVK::Encode ( CommandEncoderVK &  encoder ) const

overridevirtual

Implements impeller::BlitEncodeVK.

Definition at line 222 of file blit_command_vk.cc.

                                                                             {
  const auto& cmd_buffer = encoder.GetCommandBuffer();
 
  // cast destination to TextureVK
  const auto& dst = TextureVK::Cast(*destination);
  const auto& src = DeviceBufferVK::Cast(*source.buffer);
 
  if (!encoder.Track(source.buffer) || !encoder.Track(destination)) {
    return false;
  }
 
  BarrierVK dst_barrier;
  dst_barrier.cmd_buffer = cmd_buffer;
  dst_barrier.new_layout = vk::ImageLayout::eTransferDstOptimal;
  dst_barrier.src_access = {};
  dst_barrier.src_stage = vk::PipelineStageFlagBits::eTopOfPipe;
  dst_barrier.dst_access =
      vk::AccessFlagBits::eShaderRead | vk::AccessFlagBits::eTransferWrite;
  dst_barrier.dst_stage = vk::PipelineStageFlagBits::eFragmentShader |
                          vk::PipelineStageFlagBits::eTransfer;
 
  vk::BufferImageCopy image_copy;
  image_copy.setBufferOffset(source.range.offset);
  image_copy.setBufferRowLength(0);
  image_copy.setBufferImageHeight(0);
  image_copy.setImageSubresource(
      vk::ImageSubresourceLayers(vk::ImageAspectFlagBits::eColor, 0, 0, 1));
  image_copy.setImageOffset(
      vk::Offset3D(destination_origin.x, destination_origin.y, 0));
  image_copy.setImageExtent(vk::Extent3D(destination->GetSize().width,
                                         destination->GetSize().height, 1));
 
  if (!dst.SetLayout(dst_barrier)) {
    VALIDATION_LOG << "Could not encode layout transition.";
    return false;
  }
 
  cmd_buffer.copyBufferToImage(src.GetBuffer(),         //
                               dst.GetImage(),          //
                               dst_barrier.new_layout,  //
                               image_copy               //
  );
 
  return true;
}

GetLabel()

std::string impeller::BlitCopyBufferToTextureCommandVK::GetLabel ( ) const

overridevirtual

Implements impeller::BlitEncodeVK.

Definition at line 218 of file blit_command_vk.cc.

                                                           {
  return label;
}

---

The documentation for this struct was generated from the following files:

• impeller/renderer/backend/vulkan/blit_command_vk.h
• impeller/renderer/backend/vulkan/blit_command_vk.cc