CompositorGM Class Reference

Inheritance diagram for CompositorGM:

Public Member Functions
	CompositorGM (const char *name, std::function< ClipTileRendererArray()> makeRendererFn)
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
SkISize	getISize () override
SkString	getName () const override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override
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

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

Detailed Description

Definition at line 422 of file compositor_quads.cpp.

Constructor & Destructor Documentation

CompositorGM()

CompositorGM::CompositorGM ( const char *  name, std::function< ClipTileRendererArray()>  makeRendererFn  )

inline

Definition at line 424 of file compositor_quads.cpp.

            : fMakeRendererFn(std::move(makeRendererFn))
            , fName(name) {}

Member Function Documentation

getISize()

SkISize CompositorGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 429 of file compositor_quads.cpp.

                                {
        // Initialize the array of renderers.
        this->onceBeforeDraw();
 
        // The GM draws a grid of renderers (rows) x transforms (col). Within each cell, the
        // renderer draws the transformed tile grid, which is approximately
        // (kColCount*kTileWidth, kRowCount*kTileHeight), although it has additional line
        // visualizations and can be transformed outside of those rectangular bounds (i.e. persp),
        // so pad the cell dimensions to be conservative. Must also account for the banner text.
        static constexpr SkScalar kCellWidth = 1.3f * kColCount * kTileWidth;
        static constexpr SkScalar kCellHeight = 1.3f * kRowCount * kTileHeight;
        return SkISize::Make(SkScalarRoundToInt(kCellWidth * kMatrixCount + 175.f),
                             SkScalarRoundToInt(kCellHeight * fRenderers.size() + 75.f));
    }

getName()

SkString CompositorGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 444 of file compositor_quads.cpp.

                                      {
        SkString fullName;
        fullName.appendf("compositor_quads_%s", fName.c_str());
        return fullName;
    }

onDraw()

void CompositorGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 455 of file compositor_quads.cpp.

                                           {
        static constexpr SkScalar kGap = 40.f;
        static constexpr SkScalar kBannerWidth = 120.f;
        static constexpr SkScalar kOffset = 15.f;
 
        TArray<int> drawCounts(fRenderers.size());
        drawCounts.push_back_n(fRenderers.size(), 0);
 
        canvas->save();
        canvas->translate(kOffset + kBannerWidth, kOffset);
        for (int i = 0; i < fMatrices.size(); ++i) {
            canvas->save();
            draw_text(canvas, fMatrixNames[i].c_str());
 
            canvas->translate(0.f, kGap);
            for (int j = 0; j < fRenderers.size(); ++j) {
                canvas->save();
                draw_tile_boundaries(canvas, fMatrices[i]);
                draw_clipping_boundaries(canvas, fMatrices[i]);
 
                canvas->concat(fMatrices[i]);
                drawCounts[j] += fRenderers[j]->drawTiles(canvas);
 
                canvas->restore();
                // And advance to the next row
                canvas->translate(0.f, kGap + kRowCount * kTileHeight);
            }
            // Reset back to the left edge
            canvas->restore();
            // And advance to the next column
            canvas->translate(kGap + kColCount * kTileWidth, 0.f);
        }
        canvas->restore();
 
        // Print a row header, with total draw counts
        canvas->save();
        canvas->translate(kOffset, kGap + 0.5f * kRowCount * kTileHeight);
        for (int j = 0; j < fRenderers.size(); ++j) {
            fRenderers[j]->drawBanner(canvas);
            canvas->translate(0.f, 15.f);
            draw_text(canvas, SkStringPrintf("Draws = %d", drawCounts[j]).c_str());
            canvas->translate(0.f, kGap + kRowCount * kTileHeight);
        }
        canvas->restore();
    }

onOnceBeforeDraw()

void CompositorGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 450 of file compositor_quads.cpp.

                                     {
        fRenderers = fMakeRendererFn();
        this->configureMatrices();
    }

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

• third_party/skia/gm/compositor_quads.cpp