#include <allocation.h>

Public Member Functions
	Allocation ()

	~Allocation ()

uint8_t *	GetBuffer () const

size_t	GetLength () const

size_t	GetReservedLength () const

bool	Truncate (size_t length, bool npot=true)

Static Public Member Functions
static uint32_t	NextPowerOfTwoSize (uint32_t x)

Detailed Description

Definition at line 15 of file allocation.h.

Constructor & Destructor Documentation

◆ Allocation()

impeller::Allocation::Allocation ( )

default

◆ ~Allocation()

impeller::Allocation::~Allocation ( )

Definition at line 16 of file allocation.cc.

                         {
   ::free(buffer_);
 }

Member Function Documentation

◆ GetBuffer()

uint8_t * impeller::Allocation::GetBuffer ( ) const

Definition at line 20 of file allocation.cc.

                                      {
   return buffer_;
 }

Referenced by impeller::ProcTableGLES::GetProgramInfoLogString().

◆ GetLength()

size_t impeller::Allocation::GetLength ( ) const

Definition at line 24 of file allocation.cc.

                                    {
   return length_;
 }

◆ GetReservedLength()

size_t impeller::Allocation::GetReservedLength ( ) const

Definition at line 28 of file allocation.cc.

                                            {
   return reserved_;
 }

◆ NextPowerOfTwoSize()

uint32_t impeller::Allocation::NextPowerOfTwoSize ( uint32_t x )

static

Definition at line 41 of file allocation.cc.

                                                   {
   if (x == 0) {
     return 1;
   }
  
   --x;
  
   x |= x >> 1;
   x |= x >> 2;
   x |= x >> 4;
   x |= x >> 8;
   x |= x >> 16;
  
   return x + 1;
 }

Referenced by impeller::scene::Skin::GetJointsTexture(), impeller::InlinePassContext::GetRenderPass(), and impeller::OptimumAtlasSizeForFontGlyphPairs().

◆ Truncate()

bool impeller::Allocation::Truncate	(	size_t	length,
		bool	npot = `true`
	)

Definition at line 32 of file allocation.cc.

                                                   {
   const auto reserved = npot ? ReserveNPOT(length) : Reserve(length);
   if (!reserved) {
     return false;
   }
   length_ = length;
   return true;
 }