skgpu::PlotLocator Class Reference

#include <AtlasTypes.h>

Public Member Functions
	PlotLocator (uint32_t pageIdx, uint32_t plotIdx, uint64_t generation)
	PlotLocator ()
bool	isValid () const
void	makeInvalid ()
bool	operator== (const PlotLocator &other) const
uint32_t	pageIndex () const
uint32_t	plotIndex () const
uint64_t	genID () const

Static Public Attributes
static constexpr auto	kMaxMultitexturePages = 4
static constexpr int	kMaxPlots = 32

Detailed Description

A PlotLocator specifies the plot and is analogous to a directory path: page/plot/plotGeneration

In fact PlotLocator is a portion of a glyph image location in the atlas fully specified by: format/atlasGeneration/page/plot/plotGeneration/rect

Definition at line 239 of file AtlasTypes.h.

Constructor & Destructor Documentation

PlotLocator() [1/2]

skgpu::PlotLocator::PlotLocator ( uint32_t  pageIdx, uint32_t  plotIdx, uint64_t  generation  )

inline

Definition at line 248 of file AtlasTypes.h.

            : fGenID(generation)
            , fPlotIndex(plotIdx)
            , fPageIndex(pageIdx) {
        SkASSERT(pageIdx < kMaxMultitexturePages);
        SkASSERT(plotIdx < kMaxPlots);
        SkASSERT(generation < ((uint64_t)1 << 48));
    }

PlotLocator() [2/2]

skgpu::PlotLocator::PlotLocator ( )

inline

Definition at line 257 of file AtlasTypes.h.

            : fGenID(AtlasGenerationCounter::kInvalidGeneration)
            , fPlotIndex(0)
            , fPageIndex(0) {}

Member Function Documentation

genID()

uint64_t skgpu::PlotLocator::genID ( ) const

inline

Definition at line 280 of file AtlasTypes.h.

{ return fGenID; }

isValid()

bool skgpu::PlotLocator::isValid ( ) const

inline

Definition at line 262 of file AtlasTypes.h.

                         {
        return fGenID != AtlasGenerationCounter::kInvalidGeneration ||
               fPlotIndex != 0 || fPageIndex != 0;
    }

makeInvalid()

void skgpu::PlotLocator::makeInvalid ( )

inline

Definition at line 267 of file AtlasTypes.h.

                       {
        fGenID = AtlasGenerationCounter::kInvalidGeneration;
        fPlotIndex = 0;
        fPageIndex = 0;
    }

operator==()

bool skgpu::PlotLocator::operator== ( const PlotLocator &  other ) const

inline

Definition at line 273 of file AtlasTypes.h.

                                                    {
        return fGenID == other.fGenID &&
               fPlotIndex == other.fPlotIndex &&
               fPageIndex == other.fPageIndex; }

pageIndex()

uint32_t skgpu::PlotLocator::pageIndex ( ) const

inline

Definition at line 278 of file AtlasTypes.h.

{ return fPageIndex; }

plotIndex()

uint32_t skgpu::PlotLocator::plotIndex ( ) const

inline

Definition at line 279 of file AtlasTypes.h.

{ return fPlotIndex; }

Member Data Documentation

kMaxMultitexturePages

constexpr auto skgpu::PlotLocator::kMaxMultitexturePages = 4

inlinestaticconstexpr

Definition at line 245 of file AtlasTypes.h.

kMaxPlots

constexpr int skgpu::PlotLocator::kMaxPlots = 32

inlinestaticconstexpr

Definition at line 246 of file AtlasTypes.h.

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

• third_party/skia/src/gpu/AtlasTypes.h