#include <GrExternalTextureGenerator.h>

Inheritance diagram for GrExternalTextureGenerator:

Public Member Functions
	GrExternalTextureGenerator (const SkImageInfo &info)

GrSurfaceProxyView	onGenerateTexture (GrRecordingContext *, const SkImageInfo &, skgpu::Mipmapped, GrImageTexGenPolicy) override

virtual std::unique_ptr< GrExternalTexture >	generateExternalTexture (GrRecordingContext *, skgpu::Mipmapped)=0

Public Member Functions inherited from GrTextureGenerator
bool	isTextureGenerator () const final

GrSurfaceProxyView	generateTexture (GrRecordingContext *, const SkImageInfo &info, skgpu::Mipmapped mipmapped, GrImageTexGenPolicy)

virtual GrSurfaceProxyView	onGenerateTexture (GrRecordingContext *, const SkImageInfo &, skgpu::Mipmapped, GrImageTexGenPolicy)=0

virtual GrSurfaceOrigin	origin () const

Public Member Functions inherited from SkImageGenerator
virtual	~SkImageGenerator ()

uint32_t	uniqueID () const

sk_sp< SkData >	refEncodedData ()

const SkImageInfo &	getInfo () const

bool	isValid (GrRecordingContext *context) const

bool	isProtected () const

bool	getPixels (const SkImageInfo &info, void *pixels, size_t rowBytes)

bool	getPixels (const SkPixmap &pm)

bool	queryYUVAInfo (const SkYUVAPixmapInfo::SupportedDataTypes &supportedDataTypes, SkYUVAPixmapInfo *yuvaPixmapInfo) const

bool	getYUVAPlanes (const SkYUVAPixmaps &yuvaPixmaps)

virtual bool	isTextureGenerator () const

Additional Inherited Members
Protected Member Functions inherited from GrTextureGenerator
	GrTextureGenerator (const SkImageInfo &info, uint32_t uniqueId=kNeedNewImageUniqueID)

Protected Member Functions inherited from SkImageGenerator
	SkImageGenerator (const SkImageInfo &info, uint32_t uniqueId=kNeedNewImageUniqueID)

virtual sk_sp< SkData >	onRefEncodedData ()

virtual bool	onGetPixels (const SkImageInfo &, void *, size_t, const Options &)

virtual bool	onIsValid (GrRecordingContext *) const

virtual bool	onIsProtected () const

virtual bool	onQueryYUVAInfo (const SkYUVAPixmapInfo::SupportedDataTypes &, SkYUVAPixmapInfo *) const

virtual bool	onGetYUVAPlanes (const SkYUVAPixmaps &)

Protected Attributes inherited from SkImageGenerator
const SkImageInfo	fInfo

Static Protected Attributes inherited from SkImageGenerator
static constexpr int	kNeedNewImageUniqueID = 0

Detailed Description

Definition at line 32 of file GrExternalTextureGenerator.h.

Constructor & Destructor Documentation

◆ GrExternalTextureGenerator()

GrExternalTextureGenerator::GrExternalTextureGenerator ( const SkImageInfo & info )

Definition at line 58 of file GrTextureGenerator.cpp.

58: GrTextureGenerator(info) {}

info

static void info(const char *fmt,...) SK_PRINTF_LIKE(1

Definition: DM.cpp:213

GrTextureGenerator::GrTextureGenerator

GrTextureGenerator(const SkImageInfo &info, uint32_t uniqueId=kNeedNewImageUniqueID)

Definition: GrTextureGenerator.cpp:42

Member Function Documentation

◆ generateExternalTexture()

virtual std::unique_ptr< GrExternalTexture > GrExternalTextureGenerator::generateExternalTexture	(	GrRecordingContext *	,
		skgpu::Mipmapped
	)

pure virtual

Implemented in TextureSourceImageGenerator.

◆ onGenerateTexture()

GrSurfaceProxyView GrExternalTextureGenerator::onGenerateTexture	(	GrRecordingContext *	ctx,
		const SkImageInfo &	info,
		skgpu::Mipmapped	mipmapped,
		GrImageTexGenPolicy	texGenPolicy
	)

overridevirtual

Implements GrTextureGenerator.

Definition at line 60 of file GrTextureGenerator.cpp.

                                                                                                   {
    std::unique_ptr<GrExternalTexture> externalTexture = generateExternalTexture(ctx, mipmapped);
    GrBackendTexture backendTexture = externalTexture->getBackendTexture();
    const GrBackendFormat& format = backendTexture.getBackendFormat();
    const GrColorType colorType = SkColorTypeToGrColorType(info.colorType());
    if (!ctx->priv().caps()->areColorTypeAndFormatCompatible(colorType, format)) {
        return {};
    }
 
    auto cleanupCallback = skgpu::RefCntedCallback::Make(dispose_external_texture, externalTexture.release());
    sk_sp<GrSurfaceProxy> proxy = ctx->priv().proxyProvider()->wrapBackendTexture(
            backendTexture,
            kBorrow_GrWrapOwnership,
            GrWrapCacheable::kYes,
            kRead_GrIOType,
            std::move(cleanupCallback));
    if (!proxy) {
        return {};
    }
    static constexpr auto kOrigin = kTopLeft_GrSurfaceOrigin;
    skgpu::Swizzle swizzle = ctx->priv().caps()->getReadSwizzle(format, colorType);
    return GrSurfaceProxyView(std::move(proxy), kOrigin, swizzle);
}

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

third_party/skia/include/gpu/ganesh/GrExternalTextureGenerator.h
third_party/skia/src/gpu/ganesh/image/GrTextureGenerator.cpp