impeller::BlitCopyTextureToTextureCommandMTL Struct Reference

#include <blit_command_mtl.h>

Inheritance diagram for impeller::BlitCopyTextureToTextureCommandMTL:

Public Member Functions
	~BlitCopyTextureToTextureCommandMTL () 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::BlitCopyTextureToTextureCommand
std::shared_ptr< Texture >	source
std::shared_ptr< Texture >	destination
IRect	source_region
IPoint	destination_origin
Public Attributes inherited from impeller::BlitCommand
std::string	label

Detailed Description

Definition at line 25 of file blit_command_mtl.h.

Constructor & Destructor Documentation

~BlitCopyTextureToTextureCommandMTL()

impeller::BlitCopyTextureToTextureCommandMTL::~BlitCopyTextureToTextureCommandMTL ( )

overridedefault

Member Function Documentation

Encode()

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

overridevirtual

Implements impeller::BlitEncodeMTL.

Definition at line 21 of file blit_command_mtl.mm.

                                             {
  auto source_mtl = TextureMTL::Cast(*source).GetMTLTexture();
  if (!source_mtl) {
    return false;
  }
 
  auto destination_mtl = TextureMTL::Cast(*destination).GetMTLTexture();
  if (!destination_mtl) {
    return false;
  }
 
  auto source_origin_mtl =
      MTLOriginMake(source_region.GetX(), source_region.GetY(), 0);
  auto source_size_mtl =
      MTLSizeMake(source_region.GetWidth(), source_region.GetHeight(), 1);
  auto destination_origin_mtl =
      MTLOriginMake(destination_origin.x, destination_origin.y, 0);
 
  [encoder copyFromTexture:source_mtl
               sourceSlice:0
               sourceLevel:0
              sourceOrigin:source_origin_mtl
                sourceSize:source_size_mtl
                 toTexture:destination_mtl
          destinationSlice:0
          destinationLevel:0
         destinationOrigin:destination_origin_mtl];
 
  return true;
};

References impeller::BackendCast< TextureMTL, Texture >::Cast(), impeller::BlitCopyTextureToTextureCommand::destination_origin, impeller::TRect< T >::GetHeight(), impeller::TextureMTL::GetMTLTexture(), impeller::TRect< T >::GetWidth(), impeller::TRect< T >::GetX(), impeller::TRect< T >::GetY(), impeller::BlitCopyTextureToTextureCommand::source_region, impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

GetLabel()

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

overridevirtual

Implements impeller::BlitEncodeMTL.

Definition at line 17 of file blit_command_mtl.mm.

                                                             {
  return label;
}

References impeller::BlitCommand::label.

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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