impeller::BlitCopyBufferToTextureCommandMTL Struct Reference

#include <blit_command_mtl.h>

Inheritance diagram for impeller::BlitCopyBufferToTextureCommandMTL:

Public Member Functions
	~BlitCopyBufferToTextureCommandMTL () override
std::string	GetLabel () const override
bool	Encode (id< MTLBlitCommandEncoder > encoder) const override
Public Member Functions inherited from impeller::BlitEncodeMTL
virtual	~BlitEncodeMTL ()

Additional Inherited Members
Static Public Member Functions inherited from impeller::BackendCast< BlitEncodeMTL, BlitCommand >
static BlitEncodeMTL &	Cast (BlitCommand &base)
static const BlitEncodeMTL &	Cast (const BlitCommand &base)
static BlitEncodeMTL *	Cast (BlitCommand *base)
static const BlitEncodeMTL *	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 53 of file blit_command_mtl.h.

Constructor & Destructor Documentation

~BlitCopyBufferToTextureCommandMTL()

impeller::BlitCopyBufferToTextureCommandMTL::~BlitCopyBufferToTextureCommandMTL ( )

overridedefault

Member Function Documentation

Encode()

bool impeller::BlitCopyBufferToTextureCommandMTL::Encode ( id< MTLBlitCommandEncoder >  encoder ) const

overridevirtual

Implements impeller::BlitEncodeMTL.

Definition at line 104 of file blit_command_mtl.mm.

                                             {
  auto source_mtl = DeviceBufferMTL::Cast(*source.buffer).GetMTLBuffer();
  if (!source_mtl) {
    return false;
  }
 
  auto destination_mtl = TextureMTL::Cast(*destination).GetMTLTexture();
  if (!destination_mtl) {
    return false;
  }
 
  auto destination_origin_mtl =
      MTLOriginMake(destination_origin.x, destination_origin.y, 0);
 
  auto image_size = destination->GetTextureDescriptor().size;
  auto source_size_mtl = MTLSizeMake(image_size.width, image_size.height, 1);
 
  auto destination_bytes_per_pixel =
      BytesPerPixelForPixelFormat(destination->GetTextureDescriptor().format);
  auto destination_bytes_per_row =
      source_size_mtl.width * destination_bytes_per_pixel;
  auto destination_bytes_per_image =
      source_size_mtl.height * destination_bytes_per_row;
 
  [encoder copyFromBuffer:source_mtl
             sourceOffset:source.range.offset
        sourceBytesPerRow:destination_bytes_per_row
      sourceBytesPerImage:destination_bytes_per_image
               sourceSize:source_size_mtl
                toTexture:destination_mtl
         destinationSlice:0
         destinationLevel:0
        destinationOrigin:destination_origin_mtl];
 
  return true;
};

References impeller::BufferView::buffer, impeller::BytesPerPixelForPixelFormat(), impeller::BackendCast< TextureMTL, Texture >::Cast(), impeller::BackendCast< DeviceBufferMTL, Buffer >::Cast(), impeller::BlitCopyBufferToTextureCommand::destination, impeller::BlitCopyBufferToTextureCommand::destination_origin, impeller::DeviceBufferMTL::GetMTLBuffer(), impeller::TextureMTL::GetMTLTexture(), impeller::Range::offset, impeller::BufferView::range, impeller::BlitCopyBufferToTextureCommand::source, impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

GetLabel()

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

overridevirtual

Implements impeller::BlitEncodeMTL.

Definition at line 100 of file blit_command_mtl.mm.

                                                            {
  return label;
}

References impeller::BlitCommand::label.

---

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

• impeller/renderer/backend/metal/blit_command_mtl.h
• impeller/renderer/backend/metal/blit_command_mtl.mm