#include <MtlSampler.h>

Inheritance diagram for skgpu::graphite::MtlSampler:

Public Member Functions
	~MtlSampler () override

id< MTLSamplerState >	mtlSamplerState () const

Public Member Functions inherited from skgpu::graphite::Sampler
	~Sampler () override

const char *	getResourceType () const override

Public Member Functions inherited from skgpu::graphite::Resource
	Resource (const Resource &)=delete

	Resource (Resource &&)=delete

Resource &	operator= (const Resource &)=delete

Resource &	operator= (Resource &&)=delete

void	ref () const

void	unref () const

void	refCommandBuffer () const

void	unrefCommandBuffer () const

Ownership	ownership () const

skgpu::Budgeted	budgeted () const

size_t	gpuMemorySize () const

UniqueID	uniqueID () const

virtual const char *	getResourceType () const =0

std::string	getLabel () const

void	setLabel (std::string_view label)

bool	wasDestroyed () const

const GraphiteResourceKey &	key () const

void	setKey (const GraphiteResourceKey &key)

void	dumpMemoryStatistics (SkTraceMemoryDump *traceMemoryDump) const

virtual void	prepareForReturnToCache (const std::function< void()> &takeRef)

Static Public Member Functions
static sk_sp< MtlSampler >	Make (const MtlSharedContext *, const SkSamplingOptions &samplingOptions, SkTileMode xTileMode, SkTileMode yTileMode)

Additional Inherited Members
Protected Member Functions inherited from skgpu::graphite::Sampler
	Sampler (const SharedContext *)

Protected Member Functions inherited from skgpu::graphite::Resource
	Resource (const SharedContext *, Ownership, skgpu::Budgeted, size_t gpuMemorySize, bool commandBufferRefsAsUsageRefs=false)

virtual	~Resource ()

const SharedContext *	sharedContext () const

virtual void	onDumpMemoryStatistics (SkTraceMemoryDump traceMemoryDump, const char dumpName) const

void	setDeleteASAP ()

Detailed Description

Definition at line 25 of file MtlSampler.h.

Constructor & Destructor Documentation

◆ ~MtlSampler()

skgpu::graphite::MtlSampler::~MtlSampler ( )

inlineoverride

Definition at line 32 of file MtlSampler.h.

32{}

Member Function Documentation

◆ Make()

sk_sp< MtlSampler > skgpu::graphite::MtlSampler::Make	(	const MtlSharedContext *	sharedContext,
		const SkSamplingOptions &	samplingOptions,
		SkTileMode	xTileMode,
		SkTileMode	yTileMode
	)

static

Definition at line 47 of file MtlSampler.mm.

                                                         {
    sk_cfp<MTLSamplerDescriptor*> desc([[MTLSamplerDescriptor alloc] init]);
 
    MTLSamplerMinMagFilter minMagFilter = [&] {
        switch (samplingOptions.filter) {
            case SkFilterMode::kNearest: return MTLSamplerMinMagFilterNearest;
            case SkFilterMode::kLinear:  return MTLSamplerMinMagFilterLinear;
        }
        SkUNREACHABLE;
    }();
 
    MTLSamplerMipFilter mipFilter = [&] {
      switch (samplingOptions.mipmap) {
          case SkMipmapMode::kNone:    return MTLSamplerMipFilterNotMipmapped;
          case SkMipmapMode::kNearest: return MTLSamplerMipFilterNearest;
          case SkMipmapMode::kLinear:  return MTLSamplerMipFilterLinear;
      }
      SkUNREACHABLE;
    }();
 
    (*desc).rAddressMode = MTLSamplerAddressModeClampToEdge;
    (*desc).sAddressMode = tile_mode_to_mtl_sampler_address(xTileMode, sharedContext->mtlCaps());
    (*desc).tAddressMode = tile_mode_to_mtl_sampler_address(yTileMode, sharedContext->mtlCaps());
    (*desc).magFilter = minMagFilter;
    (*desc).minFilter = minMagFilter;
    (*desc).mipFilter = mipFilter;
    (*desc).lodMinClamp = 0.0f;
    (*desc).lodMaxClamp = FLT_MAX;  // default value according to docs.
    (*desc).maxAnisotropy = 1;      // TODO: if we start using aniso, need to add to key
    (*desc).normalizedCoordinates = true;
    if (@available(macOS 10.11, iOS 9.0, tvOS 9.0, *)) {
        (*desc).compareFunction = MTLCompareFunctionNever;
    }
#ifdef SK_ENABLE_MTL_DEBUG_INFO
    NSString* tileModeLabels[] = {
        @"Clamp",
        @"Repeat",
        @"Mirror",
        @"Decal"
    };
    NSString* minMagFilterLabels[] = {
        @"Nearest",
        @"Linear"
    };
    NSString* mipFilterLabels[] = {
        @"MipNone",
        @"MipNearest",
        @"MipLinear"
    };
 
    (*desc).label = [NSString stringWithFormat:@"X%@Y%@%@%@",
                                               tileModeLabels[(int)xTileMode],
                                               tileModeLabels[(int)yTileMode],
                                               minMagFilterLabels[(int)samplingOptions.filter],
                                               mipFilterLabels[(int)samplingOptions.mipmap]];
#endif
 
    sk_cfp<id<MTLSamplerState>> sampler(
            [sharedContext->device() newSamplerStateWithDescriptor:desc.get()]);
    if (!sampler) {
        return nullptr;
    }
    return sk_sp<MtlSampler>(new MtlSampler(sharedContext, std::move(sampler)));
}

◆ mtlSamplerState()

id< MTLSamplerState > skgpu::graphite::MtlSampler::mtlSamplerState ( ) const

inline

Definition at line 34 of file MtlSampler.h.

34{ return fSamplerState.get(); }

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

third_party/skia/src/gpu/graphite/mtl/MtlSampler.h
third_party/skia/src/gpu/graphite/mtl/MtlSampler.mm

Public Member Functions