GrYUVABackendTextures Class Reference

#include <GrYUVABackendTextures.h>

Public Member Functions
	GrYUVABackendTextures ()=default
	GrYUVABackendTextures (const GrYUVABackendTextures &)=delete
	GrYUVABackendTextures (GrYUVABackendTextures &&)=default
GrYUVABackendTextures &	operator= (const GrYUVABackendTextures &)=delete
GrYUVABackendTextures &	operator= (GrYUVABackendTextures &&)=default
	GrYUVABackendTextures (const SkYUVAInfo &, const GrBackendTexture[SkYUVAInfo::kMaxPlanes], GrSurfaceOrigin textureOrigin)
const std::array< GrBackendTexture, SkYUVAInfo::kMaxPlanes > &	textures () const
GrBackendTexture	texture (int i) const
const SkYUVAInfo &	yuvaInfo () const
int	numPlanes () const
GrSurfaceOrigin	textureOrigin () const
bool	isValid () const
SkYUVAInfo::YUVALocations	toYUVALocations () const

Detailed Description

A set of GrBackendTextures that hold the planar data for an image described a SkYUVAInfo.

Definition at line 82 of file GrYUVABackendTextures.h.

Constructor & Destructor Documentation

GrYUVABackendTextures() [1/4]

GrYUVABackendTextures::GrYUVABackendTextures ( )

default

GrYUVABackendTextures() [2/4]

GrYUVABackendTextures::GrYUVABackendTextures ( const GrYUVABackendTextures &  )

delete

GrYUVABackendTextures() [3/4]

GrYUVABackendTextures::GrYUVABackendTextures ( GrYUVABackendTextures &&  )

default

GrYUVABackendTextures() [4/4]

GrYUVABackendTextures::GrYUVABackendTextures	(	const SkYUVAInfo &	yuvaInfo,
		const GrBackendTexture	textures[SkYUVAInfo::kMaxPlanes],
		GrSurfaceOrigin	textureOrigin
	)

Definition at line 79 of file GrYUVABackendTextures.cpp.

        : fYUVAInfo(yuvaInfo), fTextureOrigin(textureOrigin) {
    if (!fYUVAInfo.isValid()) {
        return;
    }
    SkISize planeDimensions[SkYUVAInfo::kMaxPlanes];
    int numPlanes = yuvaInfo.planeDimensions(planeDimensions);
    for (int i = 0; i < numPlanes; ++i) {
        int numRequiredChannels = fYUVAInfo.numChannelsInPlane(i);
        if (!textures[i].isValid() ||
            textures[i].dimensions() != planeDimensions[i] ||
            textures[i].backend() != textures[0].backend() ||
            num_channels(textures[i].getBackendFormat()) < numRequiredChannels) {
            *this = {};
            return;
        }
        fTextures[i] = textures[i];
    }
}

Member Function Documentation

isValid()

bool GrYUVABackendTextures::isValid ( ) const

inline

Definition at line 110 of file GrYUVABackendTextures.h.

{ return fYUVAInfo.isValid(); }

numPlanes()

int GrYUVABackendTextures::numPlanes ( ) const

inline

Definition at line 106 of file GrYUVABackendTextures.h.

{ return fYUVAInfo.numPlanes(); }

operator=() [1/2]

GrYUVABackendTextures & GrYUVABackendTextures::operator= ( const GrYUVABackendTextures &  )

delete

operator=() [2/2]

GrYUVABackendTextures & GrYUVABackendTextures::operator= ( GrYUVABackendTextures &&  )

default

texture()

GrBackendTexture GrYUVABackendTextures::texture ( int  i ) const

inline

Definition at line 99 of file GrYUVABackendTextures.h.

                                          {
        SkASSERT(i >= 0 && i < SkYUVAInfo::kMaxPlanes);
        return fTextures[static_cast<size_t>(i)];
    }

textureOrigin()

GrSurfaceOrigin GrYUVABackendTextures::textureOrigin ( ) const

inline

Definition at line 108 of file GrYUVABackendTextures.h.

{ return fTextureOrigin; }

textures()

const std::array< GrBackendTexture, SkYUVAInfo::kMaxPlanes > & GrYUVABackendTextures::textures ( ) const

inline

Definition at line 95 of file GrYUVABackendTextures.h.

                                                                             {
        return fTextures;
    }

toYUVALocations()

SkYUVAInfo::YUVALocations GrYUVABackendTextures::toYUVALocations

(

)

const

Computes a YUVALocations representation of the planar layout. The result is guaranteed to be valid if this->isValid().

Definition at line 102 of file GrYUVABackendTextures.cpp.

                                                                     {
    uint32_t channelFlags[] = {fTextures[0].getBackendFormat().channelMask(),
                               fTextures[1].getBackendFormat().channelMask(),
                               fTextures[2].getBackendFormat().channelMask(),
                               fTextures[3].getBackendFormat().channelMask()};
    auto result = fYUVAInfo.toYUVALocations(channelFlags);
    SkDEBUGCODE(int numPlanes;)
    SkASSERT(SkYUVAInfo::YUVALocation::AreValidLocations(result, &numPlanes));
    SkASSERT(numPlanes == this->numPlanes());
    return result;
}

yuvaInfo()

const SkYUVAInfo & GrYUVABackendTextures::yuvaInfo ( ) const

inline

Definition at line 104 of file GrYUVABackendTextures.h.

{ return fYUVAInfo; }

---

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

• third_party/skia/include/gpu/GrYUVABackendTextures.h
• third_party/skia/src/gpu/ganesh/GrYUVABackendTextures.cpp