impeller::AllocatorMTL Class Reference

#include <allocator_mtl.h>

Inheritance diagram for impeller::AllocatorMTL:

Public Member Functions
	AllocatorMTL ()
	~AllocatorMTL () override
Bytes	DebugGetHeapUsage () const override
void	DebugSetSupportsUMA (bool value)
	AllocatorMTL (id< MTLDevice > device, std::string label)
Public Member Functions inherited from impeller::Allocator
virtual	~Allocator ()
bool	IsValid () const
std::shared_ptr< DeviceBuffer >	CreateBuffer (const DeviceBufferDescriptor &desc)
std::shared_ptr< Texture >	CreateTexture (const TextureDescriptor &desc, bool threadsafe=false)
	Creates a new texture. More...
std::shared_ptr< DeviceBuffer >	CreateBufferWithCopy (const uint8_t *buffer, size_t length)
std::shared_ptr< DeviceBuffer >	CreateBufferWithCopy (const fml::Mapping &mapping)

Friends
class	ContextMTL

Additional Inherited Members
Protected Member Functions inherited from impeller::Allocator
	Allocator ()

Detailed Description

Definition at line 37 of file allocator_mtl.h.

Constructor & Destructor Documentation

AllocatorMTL() [1/2]

impeller::AllocatorMTL::AllocatorMTL

(

)

~AllocatorMTL()

impeller::AllocatorMTL::~AllocatorMTL ( )

overridedefault

AllocatorMTL() [2/2]

impeller::AllocatorMTL::AllocatorMTL	(	id< MTLDevice >	device,
		std::string	label
	)

Definition at line 60 of file allocator_mtl.mm.

    : device_(device), allocator_label_(std::move(label)) {
  if (!device_) {
    return;
  }
 
  supports_memoryless_targets_ = DeviceSupportsDeviceTransientTargets(device_);
  supports_uma_ = device_.hasUnifiedMemory;
  max_texture_supported_ = DeviceMaxTextureSizeSupported(device_);
 
  is_valid_ = true;
}

References impeller::DeviceMaxTextureSizeSupported(), and impeller::DeviceSupportsDeviceTransientTargets().

Member Function Documentation

DebugGetHeapUsage()

Bytes impeller::AllocatorMTL::DebugGetHeapUsage ( ) const

overridevirtual

Reimplemented from impeller::Allocator.

Definition at line 217 of file allocator_mtl.mm.

                                            {
#ifdef IMPELLER_DEBUG
  return debug_allocater_->GetAllocationSize();
#else
  return {};
#endif  // IMPELLER_DEBUG
}

DebugSetSupportsUMA()

void impeller::AllocatorMTL::DebugSetSupportsUMA

(

bool

value

)

Definition at line 213 of file allocator_mtl.mm.

                                                 {
  supports_uma_ = value;
}

References value.

Friends And Related Function Documentation

ContextMTL

friend class ContextMTL

friend

Definition at line 53 of file allocator_mtl.h.

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

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