CompressedTexturesGM Class Reference

Inheritance diagram for CompressedTexturesGM:

Public Types
enum class	Type { kNormal , kNonPowerOfTwo , kNonMultipleOfFour }
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
	CompressedTexturesGM (Type type)
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

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
DrawResult	onGpuSetup (SkCanvas *canvas, SkString *errorMsg, GraphiteTestContext *graphiteTestContext) override
void	onGpuTeardown () override
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual void	onOnceBeforeDraw ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 216 of file compressed_textures.cpp.

Member Enumeration Documentation

Type

enum class CompressedTexturesGM::Type

strong

Enumerator
kNormal
kNonPowerOfTwo
kNonMultipleOfFour

Definition at line 218 of file compressed_textures.cpp.

                    {
        kNormal,
        kNonPowerOfTwo,
        kNonMultipleOfFour
    };

Constructor & Destructor Documentation

CompressedTexturesGM()

CompressedTexturesGM::CompressedTexturesGM ( Type  type )

inline

Definition at line 224 of file compressed_textures.cpp.

                                    : fType(type) {
        this->setBGColor(0xFFCCCCCC);
 
        switch (fType) {
            case Type::kNonPowerOfTwo:
                // These dimensions force the top two mip levels to be 1x3 and 1x1
                fImgDimensions.set(20, 60);
                break;
            case Type::kNonMultipleOfFour:
                // These dimensions force the top three mip levels to be 1x7, 1x3 and 1x1
                fImgDimensions.set(13, 61); // prime numbers - just bc
                break;
            default:
                fImgDimensions.set(kBaseTexWidth, kBaseTexHeight);
                break;
        }
 
    }

Member Function Documentation

getISize()

SkISize CompressedTexturesGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 256 of file compressed_textures.cpp.

                                {
        return SkISize::Make(2*kCellWidth + 3*kPad, 2*kBaseTexHeight + 3*kPad);
    }

getName()

SkString CompressedTexturesGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 244 of file compressed_textures.cpp.

                                      {
        SkString name("compressed_textures");
 
        if (fType == Type::kNonPowerOfTwo) {
            name.append("_npot");
        } else if (fType == Type::kNonMultipleOfFour) {
            name.append("_nmof");
        }
 
        return name;
    }

onDraw()

void CompressedTexturesGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 304 of file compressed_textures.cpp.

                                           {
        this->drawCell(canvas, fOpaqueETC2Image.fImage.get(), { kPad, kPad });
 
        this->drawCell(canvas, fOpaqueBC1Image.fImage.get(), { 2*kPad + kCellWidth, kPad });
 
        this->drawCell(canvas, fTransparentBC1Image.fImage.get(),
                       { 2*kPad + kCellWidth, 2*kPad + kBaseTexHeight });
    }

onGpuSetup()

DrawResult CompressedTexturesGM::onGpuSetup ( SkCanvas *  canvas, SkString *  errorMsg, GraphiteTestContext *  graphiteTestContext  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 260 of file compressed_textures.cpp.

                                                                             {
        auto dContext = GrAsDirectContext(canvas->recordingContext());
        if (dContext && dContext->abandoned()) {
            // This isn't a GpuGM so a null 'context' is okay but an abandoned context
            // if forbidden.
            return DrawResult::kSkip;
        }
 
        if (dContext &&
            dContext->backend() == GrBackendApi::kDirect3D && fType == Type::kNonMultipleOfFour) {
            // skbug.com/10541 - Are non-multiple-of-four BC1 textures supported in D3D?
            return DrawResult::kSkip;
        }
 
        fOpaqueETC2Image = make_compressed_image(canvas, fImgDimensions,
                                                 kRGB_565_SkColorType, true,
                                                 SkTextureCompressionType::kETC2_RGB8_UNORM);
 
        fOpaqueBC1Image = make_compressed_image(canvas, fImgDimensions,
                                                kRGBA_8888_SkColorType, true,
                                                SkTextureCompressionType::kBC1_RGB8_UNORM);
 
        fTransparentBC1Image = make_compressed_image(canvas, fImgDimensions,
                                                     kRGBA_8888_SkColorType, false,
                                                     SkTextureCompressionType::kBC1_RGBA8_UNORM);
 
        if (!fOpaqueETC2Image.fImage || !fOpaqueBC1Image.fImage || !fTransparentBC1Image.fImage) {
            *errorMsg = "Failed to create compressed images.";
            return DrawResult::kFail;
        }
 
        return DrawResult::kOk;
    }

onGpuTeardown()

void CompressedTexturesGM::onGpuTeardown ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 295 of file compressed_textures.cpp.

                                  {
        fOpaqueETC2Image.fImage = nullptr;
        fOpaqueBC1Image.fImage = nullptr;
        fTransparentBC1Image.fImage = nullptr;
        fOpaqueETC2Image.fGraphiteTexture = nullptr;
        fOpaqueBC1Image.fGraphiteTexture = nullptr;
        fTransparentBC1Image.fGraphiteTexture = nullptr;
    }

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

• third_party/skia/gm/compressed_textures.cpp