impeller::BufferView Struct Reference

#include <buffer_view.h>

Public Member Functions
	BufferView ()
	BufferView (DeviceBuffer *buffer, Range range)
	BufferView (std::shared_ptr< const DeviceBuffer > buffer, Range range)
Range	GetRange () const
const DeviceBuffer *	GetBuffer () const
std::shared_ptr< const DeviceBuffer >	TakeBuffer ()
	operator bool () const

Detailed Description

A specific range in a DeviceBuffer.

BufferView can maintain ownership over the DeviceBuffer or not depending on if it is created with a std::shared_ptr or a raw pointer.

Definition at line 19 of file buffer_view.h.

Constructor & Destructor Documentation

BufferView() [1/3]

impeller::BufferView::BufferView

(

)

Definition at line 9 of file buffer_view.cc.

: buffer_(nullptr), raw_buffer_(nullptr), range_({}) {}

BufferView() [2/3]

impeller::BufferView::BufferView	(	DeviceBuffer *	buffer,
		Range	range
	)

Definition at line 11 of file buffer_view.cc.

    : buffer_(), raw_buffer_(buffer), range_(range) {}

BufferView() [3/3]

impeller::BufferView::BufferView	(	std::shared_ptr< const DeviceBuffer >	buffer,
		Range	range
	)

Definition at line 14 of file buffer_view.cc.

    : buffer_(std::move(buffer)), raw_buffer_(nullptr), range_(range) {}

Member Function Documentation

GetBuffer()

const DeviceBuffer * impeller::BufferView::GetBuffer

(

)

const

Definition at line 17 of file buffer_view.cc.

                                                {
  return raw_buffer_ ? raw_buffer_ : buffer_.get();
}

Referenced by impeller::Bind(), impeller::BindVertexBuffer(), impeller::Tessellator::TessellateConvex(), and impeller::testing::TEST_P().

GetRange()

Range impeller::BufferView::GetRange ( ) const

inline

Definition at line 27 of file buffer_view.h.

{ return range_; }

Referenced by impeller::BlitPass::AddCopy(), impeller::Bind(), impeller::BindVertexBuffer(), impeller::BlitCopyBufferToTextureCommandGLES::Encode(), impeller::Tessellator::TessellateConvex(), and impeller::testing::TEST_P().

operator bool()

impeller::BufferView::operator bool ( ) const

explicit

Definition at line 30 of file buffer_view.cc.

                                {
  return buffer_ || raw_buffer_;
}

TakeBuffer()

std::shared_ptr< const DeviceBuffer > impeller::BufferView::TakeBuffer

(

)

Definition at line 21 of file buffer_view.cc.

                                                         {
  if (buffer_) {
    raw_buffer_ = buffer_.get();
    return std::move(buffer_);
  } else {
    return nullptr;
  }
}

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

• impeller/core/buffer_view.h
• impeller/core/buffer_view.cc