RSXShaderGM Class Reference

Inheritance diagram for RSXShaderGM:

Private Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
virtual bool	runAsBench () const
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Detailed Description

Definition at line 20 of file rsxtext.cpp.

Member Function Documentation

getISize()

SkISize RSXShaderGM::getISize ( )

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 25 of file rsxtext.cpp.

{ return SkISize::Make(kSZ * kScale * 2.1f, kSZ * kScale * 2.1f); }

getName()

SkString RSXShaderGM::getName ( ) const

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 23 of file rsxtext.cpp.

{ return SkString("rsx_blob_shader"); }

onDraw()

void RSXShaderGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 57 of file rsxtext.cpp.

                                           {
        canvas->scale(kScale, kScale);
        this->draw_one(canvas,
            {0, 0}, SkMatrix::I(), SkMatrix::I());
        this->draw_one(canvas,
            {kSZ*1.1f, 0}, SkMatrix::Scale(2, 2), SkMatrix::I());
        this->draw_one(canvas,
            {0, kSZ*1.1f}, SkMatrix::I(), SkMatrix::RotateDeg(45));
        this->draw_one(canvas,
            {kSZ*1.1f, kSZ*1.1f}, SkMatrix::Scale(2, 2), SkMatrix::RotateDeg(45));
    }

onOnceBeforeDraw()

void RSXShaderGM::onOnceBeforeDraw ( )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 27 of file rsxtext.cpp.

                                     {
        const SkFontStyle style(SkFontStyle::kExtraBlack_Weight,
                                SkFontStyle::kNormal_Width,
                                SkFontStyle::kUpright_Slant);
        SkFont font(ToolUtils::CreatePortableTypeface("Sans", style), kFontSZ);
        font.setEdging(SkFont::Edging::kAntiAlias);
 
        static constexpr char txt[] = "TEST";
        SkGlyphID glyphs[16];
        float     widths[16];
        const auto glyph_count = font.textToGlyphs(txt, strlen(txt), SkTextEncoding::kUTF8,
                                                   glyphs, std::size(glyphs));
        font.getWidths(glyphs, glyph_count, widths);
 
        SkTextBlobBuilder builder;
        const auto& buf = builder.allocRunRSXform(font, glyph_count);
        std::copy(glyphs, glyphs + glyph_count, buf.glyphs);
 
        float x = 0;
        for (int i = 0; i < glyph_count; ++i) {
            buf.xforms()[i] = {
                1, 0,
                x, 0,
            };
            x += widths[i];
        }
 
        fBlob = builder.make();
    }

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

• third_party/skia/gm/rsxtext.cpp