TextureGenerator Class Reference

Inheritance diagram for TextureGenerator:

Public Member Functions
	TextureGenerator (SkCanvas *canvas, const SkImageInfo &info, sk_sp< SkPicture > pic)
Public Member Functions inherited from GrTextureGenerator
bool	isTextureGenerator () const final
GrSurfaceProxyView	generateTexture (GrRecordingContext *, const SkImageInfo &info, skgpu::Mipmapped mipmapped, GrImageTexGenPolicy)
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)

Protected Member Functions
GrSurfaceProxyView	onGenerateTexture (GrRecordingContext *rContext, const SkImageInfo &info, skgpu::Mipmapped mipmapped, GrImageTexGenPolicy policy) override
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 &)

Additional Inherited Members
Protected Attributes inherited from SkImageGenerator
const SkImageInfo	fInfo
Static Protected Attributes inherited from SkImageGenerator
static constexpr int	kNeedNewImageUniqueID = 0

Detailed Description

Definition at line 172 of file image_pict.cpp.

Constructor & Destructor Documentation

TextureGenerator()

TextureGenerator::TextureGenerator ( SkCanvas *  canvas, const SkImageInfo &  info, sk_sp< SkPicture >  pic  )

inline

Definition at line 174 of file image_pict.cpp.

            : GrTextureGenerator(info) {
 
        fRContext = sk_ref_sp(canvas->recordingContext());
 
        sk_sp<SkSurface> surface;
 
        if (fRContext) {
            surface = SkSurfaces::RenderTarget(fRContext.get(),
                                               skgpu::Budgeted::kYes,
                                               info,
                                               0,
                                               kTopLeft_GrSurfaceOrigin,
                                               nullptr);
        }
#if defined(SK_GRAPHITE)
        if (skgpu::graphite::Recorder* recorder = canvas->recorder()) {
            surface = SkSurfaces::RenderTarget(recorder, info);
        }
#endif
 
        if (surface) {
            surface->getCanvas()->clear(0);
            surface->getCanvas()->translate(-100, -100);
            surface->getCanvas()->drawPicture(pic);
            fImage = surface->makeImageSnapshot();
        }
    }

Member Function Documentation

onGenerateTexture()

GrSurfaceProxyView TextureGenerator::onGenerateTexture ( GrRecordingContext *  rContext, const SkImageInfo &  info, skgpu::Mipmapped  mipmapped, GrImageTexGenPolicy  policy  )

inlineoverrideprotectedvirtual

Implements GrTextureGenerator.

Definition at line 203 of file image_pict.cpp.

                                                                              {
        SkASSERT(rContext);
        SkASSERT(rContext->priv().matches(fRContext.get()));
 
        auto [view, _] = skgpu::ganesh::AsView(rContext, fImage, skgpu::Mipmapped::kNo);
        if (!view) {
            return {};
        }
 
        SkASSERT_RELEASE(info.dimensions() == view.proxy()->dimensions());
 
        if (policy == GrImageTexGenPolicy::kDraw) {
            return view;
        }
        auto budgeted = policy == GrImageTexGenPolicy::kNew_Uncached_Unbudgeted
                                ? skgpu::Budgeted::kNo
                                : skgpu::Budgeted::kYes;
        return GrSurfaceProxyView::Copy(
                fRContext.get(),
                view,
                mipmapped,
                SkIRect::MakeWH(info.width(), info.height()),
                SkBackingFit::kExact,
                budgeted,
                /*label=*/"SurfaceProxyView_GenerateTexture");
    }

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

• third_party/skia/gm/image_pict.cpp