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skiagm::DiscardGM Class Reference
Inheritance diagram for skiagm::DiscardGM:
skiagm::GM

Public Member Functions

 DiscardGM ()
 
- 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 SkISize getISize ()=0
 
virtual SkString getName () const =0
 
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 onDraw (SkCanvas *canvas, SkString *errorMsg) override
 
- Protected Member Functions inherited from skiagm::GM
virtual DrawResult onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
 
virtual void onGpuTeardown ()
 
virtual void onOnceBeforeDraw ()
 
virtual DrawResult onDraw (SkCanvas *, SkString *errorMsg)
 
virtual void onDraw (SkCanvas *)
 
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 35 of file discard.cpp.

Constructor & Destructor Documentation

◆ DiscardGM()

skiagm::DiscardGM::DiscardGM ( )
inline

Definition at line 38 of file discard.cpp.

38{}

Member Function Documentation

◆ getISize()

SkISize skiagm::DiscardGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 43 of file discard.cpp.

43{ return SkISize::Make(100, 100); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20

◆ getName()

SkString skiagm::DiscardGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 41 of file discard.cpp.

41{ return SkString("discard"); }

◆ onDraw()

DrawResult skiagm::DiscardGM::onDraw ( SkCanvas *  canvas,
SkString *  errorMsg 
)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 45 of file discard.cpp.

45 {
46
47 SkISize size = this->getISize();
48 size.fWidth /= 10;
49 size.fHeight /= 10;
50 SkImageInfo info = SkImageInfo::MakeN32Premul(size);
51 sk_sp<SkSurface> surface;
52
53 auto dContext = GrAsDirectContext(canvas->recordingContext());
54 if (dContext && !dContext->abandoned()) {
55 surface = SkSurfaces::RenderTarget(dContext, skgpu::Budgeted::kNo, info);
56 }
57
58#if defined(SK_GRAPHITE)
59 auto recorder = canvas->recorder();
60 if (recorder) {
61 surface = SkSurfaces::RenderTarget(recorder, info);
62 }
63#endif
64
65 if (!surface) {
66 surface = SkSurfaces::Raster(info);
67 }
68 if (!surface) {
69 *errorMsg = "Could not create surface.";
70 return DrawResult::kFail;
71 }
72
73 canvas->clear(SK_ColorBLACK);
74
75 SkRandom rand;
76 for (int x = 0; x < 10; ++x) {
77 for (int y = 0; y < 10; ++y) {
78 surface->getCanvas()->discard();
79 // Make something that isn't too close to the background color, black.
80 SkColor color = ToolUtils::color_to_565(rand.nextU() | 0xFF404040);
81 switch (rand.nextULessThan(3)) {
82 case 0:
83 surface->getCanvas()->drawColor(color);
84 break;
85 case 1:
86 surface->getCanvas()->clear(color);
87 break;
88 case 2:
89 SkPaint paint;
90 paint.setShader(SkShaders::Color(color));
91 surface->getCanvas()->drawPaint(paint);
92 break;
93 }
94 surface->draw(canvas, 10.f*x, 10.f*y);
95 }
96 }
97
98 surface->getCanvas()->discard();
99 return DrawResult::kOk;
100 }
info
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition: DM.cpp:213
GrAsDirectContext
static GrDirectContext * GrAsDirectContext(GrContext_Base *base)
Definition: GrRecordingContext.h:281
SkColor
uint32_t SkColor
Definition: SkColor.h:37
SK_ColorBLACK
constexpr SkColor SK_ColorBLACK
Definition: SkColor.h:103
SkCanvas::recordingContext
virtual GrRecordingContext * recordingContext() const
Definition: SkCanvas.cpp:1637
SkCanvas::recorder
virtual skgpu::graphite::Recorder * recorder() const
Definition: SkCanvas.cpp:1641
SkCanvas::clear
void clear(SkColor color)
Definition: SkCanvas.h:1199
SkRandom::nextU
uint32_t nextU()
Definition: SkRandom.h:42
SkRandom::nextULessThan
uint32_t nextULessThan(uint32_t count)
Definition: SkRandom.h:93
sk_sp< SkSurface >
skiagm::DiscardGM::getISize
SkISize getISize() override
Definition: discard.cpp:43
paint
const Paint & paint
Definition: color_source.cc:38
color
DlColor color
Definition: dl_golden_blur_unittests.cc:23
surface
VkSurfaceKHR surface
Definition: main.cc:49
y
double y
Definition: mouse-input-test.cc:83
x
double x
Definition: mouse-input-test.cc:82
SkShaders::Color
SK_API sk_sp< SkShader > Color(SkColor)
Definition: SkColorShader.cpp:103
SkSurfaces::Raster
SK_API sk_sp< SkSurface > Raster(const SkImageInfo &imageInfo, size_t rowBytes, const SkSurfaceProps *surfaceProps)
Definition: SkSurface_Raster.cpp:186
SkSurfaces::RenderTarget
SK_API sk_sp< SkSurface > RenderTarget(GrRecordingContext *context, skgpu::Budgeted budgeted, const SkImageInfo &imageInfo, int sampleCount, GrSurfaceOrigin surfaceOrigin, const SkSurfaceProps *surfaceProps, bool shouldCreateWithMips=false, bool isProtected=false)
Definition: SkSurface_Ganesh.cpp:592
ToolUtils::color_to_565
SkColor color_to_565(SkColor color)
Definition: ToolUtils.cpp:139
flutter::size
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Definition: switches.h:259
SkISize
Definition: SkSize.h:16
SkISize::fWidth
int32_t fWidth
Definition: SkSize.h:17
SkImageInfo::MakeN32Premul
static SkImageInfo MakeN32Premul(int width, int height)
Definition: SkImageInfo.cpp:157
The documentation for this class was generated from the following file:
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