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

Public Member Functions

 VerticesGM (SkScalar shaderScale)
 
- 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

void onOnceBeforeDraw () override
 
SkString getName () const override
 
SkISize getISize () override
 
void onDraw (SkCanvas *canvas) 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 105 of file vertices.cpp.

Constructor & Destructor Documentation

◆ VerticesGM()

VerticesGM::VerticesGM ( SkScalar  shaderScale)
inline

Definition at line 115 of file vertices.cpp.

115: fShaderScale(shaderScale) {}

Member Function Documentation

◆ getISize()

SkISize VerticesGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 134 of file vertices.cpp.

134{ return SkISize::Make(975, 1175); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20

◆ getName()

SkString VerticesGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 126 of file vertices.cpp.

126 {
127 SkString name("vertices");
128 if (fShaderScale != 1) {
129 name.append("_scaled_shader");
130 }
131 return name;
132 }
flutter::name
DEF_SWITCHES_START aot vmservice shared library name
Definition: switches.h:32

◆ onDraw()

void VerticesGM::onDraw ( SkCanvas *  canvas)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 136 of file vertices.cpp.

136 {
137 const SkBlendMode modes[] = {
138 SkBlendMode::kClear,
139 SkBlendMode::kSrc,
140 SkBlendMode::kDst,
141 SkBlendMode::kSrcOver,
142 SkBlendMode::kDstOver,
143 SkBlendMode::kSrcIn,
144 SkBlendMode::kDstIn,
145 SkBlendMode::kSrcOut,
146 SkBlendMode::kDstOut,
147 SkBlendMode::kSrcATop,
148 SkBlendMode::kDstATop,
149 SkBlendMode::kXor,
150 SkBlendMode::kPlus,
151 SkBlendMode::kModulate,
152 SkBlendMode::kScreen,
153 SkBlendMode::kOverlay,
154 SkBlendMode::kDarken,
155 SkBlendMode::kLighten,
156 SkBlendMode::kColorDodge,
157 SkBlendMode::kColorBurn,
158 SkBlendMode::kHardLight,
159 SkBlendMode::kSoftLight,
160 SkBlendMode::kDifference,
161 SkBlendMode::kExclusion,
162 SkBlendMode::kMultiply,
163 SkBlendMode::kHue,
164 SkBlendMode::kSaturation,
165 SkBlendMode::kColor,
166 SkBlendMode::kLuminosity,
167 };
168
169 SkPaint paint;
170
171 canvas->translate(4, 4);
172 for (auto mode : modes) {
173 canvas->save();
174 for (float alpha : {1.0f, 0.5f}) {
175 for (const auto& cf : {sk_sp<SkColorFilter>(nullptr), fColorFilter}) {
176 for (const auto& shader : {fShader1, fShader2}) {
177 static constexpr struct {
178 bool fHasColors;
179 bool fHasTexs;
180 } kAttrs[] = {{true, false}, {false, true}, {true, true}};
181 for (auto attrs : kAttrs) {
182 paint.setShader(shader);
183 paint.setColorFilter(cf);
184 paint.setAlphaf(alpha);
185
186 const SkColor* colors = attrs.fHasColors ? fColors : nullptr;
187 const SkPoint* texs = attrs.fHasTexs ? fTexs : nullptr;
188 auto v = SkVertices::MakeCopy(SkVertices::kTriangleFan_VertexMode,
189 kMeshVertexCnt, fPts, texs, colors,
190 kMeshIndexCnt, kMeshFan);
191 canvas->drawVertices(v, mode, paint);
192 canvas->translate(40, 0);
193 }
194 }
195 }
196 }
197 canvas->restore();
198 canvas->translate(0, 40);
199 }
200 }
SkBlendMode
SkBlendMode
Definition: SkBlendMode.h:38
SkBlendMode::kSrcOut
@ kSrcOut
r = s * (1-da)
SkBlendMode::kExclusion
@ kExclusion
rc = s + d - two(s*d), ra = kSrcOver
SkBlendMode::kSaturation
@ kSaturation
saturation of source with hue and luminosity of destination
SkBlendMode::kColorBurn
@ kColorBurn
darken destination to reflect source
SkBlendMode::kPlus
@ kPlus
r = min(s + d, 1)
SkBlendMode::kLighten
@ kLighten
rc = s + d - min(s*da, d*sa), ra = kSrcOver
SkBlendMode::kHue
@ kHue
hue of source with saturation and luminosity of destination
SkBlendMode::kDstIn
@ kDstIn
r = d * sa
SkBlendMode::kModulate
@ kModulate
r = s*d
SkBlendMode::kMultiply
@ kMultiply
r = s*(1-da) + d*(1-sa) + s*d
SkBlendMode::kColorDodge
@ kColorDodge
brighten destination to reflect source
SkBlendMode::kScreen
@ kScreen
r = s + d - s*d
SkBlendMode::kSrcOver
@ kSrcOver
r = s + (1-sa)*d
SkBlendMode::kXor
@ kXor
r = s*(1-da) + d*(1-sa)
SkBlendMode::kLuminosity
@ kLuminosity
luminosity of source with hue and saturation of destination
SkBlendMode::kSoftLight
@ kSoftLight
lighten or darken, depending on source
SkBlendMode::kDifference
@ kDifference
rc = s + d - 2*(min(s*da, d*sa)), ra = kSrcOver
SkBlendMode::kOverlay
@ kOverlay
multiply or screen, depending on destination
SkBlendMode::kSrcATop
@ kSrcATop
r = s*da + d*(1-sa)
SkBlendMode::kDstATop
@ kDstATop
r = d*sa + s*(1-da)
SkBlendMode::kDstOver
@ kDstOver
r = d + (1-da)*s
SkBlendMode::kColor
@ kColor
hue and saturation of source with luminosity of destination
SkBlendMode::kHardLight
@ kHardLight
multiply or screen, depending on source
SkBlendMode::kDstOut
@ kDstOut
r = d * (1-sa)
SkBlendMode::kDarken
@ kDarken
rc = s + d - max(s*da, d*sa), ra = kSrcOver
SkBlendMode::kSrcIn
@ kSrcIn
r = s * da
SkBlendMode::kClear
@ kClear
r = 0
SkColor
uint32_t SkColor
Definition: SkColor.h:37
SkCanvas::restore
void restore()
Definition: SkCanvas.cpp:461
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
SkCanvas::save
int save()
Definition: SkCanvas.cpp:447
SkCanvas::drawVertices
void drawVertices(const SkVertices *vertices, SkBlendMode mode, const SkPaint &paint)
Definition: SkCanvas.cpp:1720
SkVertices::MakeCopy
static sk_sp< SkVertices > MakeCopy(VertexMode mode, int vertexCount, const SkPoint positions[], const SkPoint texs[], const SkColor colors[], int indexCount, const uint16_t indices[])
Definition: SkVertices.cpp:200
SkVertices::kTriangleFan_VertexMode
@ kTriangleFan_VertexMode
Definition: SkVertices.h:33
sk_sp< SkColorFilter >
paint
const Paint & paint
Definition: color_source.cc:38
SkRecords::texs
PODArray< SkRect > texs
Definition: SkRecords.h:333
SkRecords::colors
PODArray< SkColor > colors
Definition: SkRecords.h:276
flutter::mode
it will be possible to load the file into Perfetto s trace viewer disable asset Prevents usage of any non test fonts unless they were explicitly Loaded via prefetched default font Indicates whether the embedding started a prefetch of the default font manager before creating the engine run In non interactive mode
Definition: switches.h:228
kMeshIndexCnt
static const int kMeshIndexCnt
Definition: vertices.cpp:73
kMeshVertexCnt
static const int kMeshVertexCnt
Definition: vertices.cpp:74
kMeshFan
static constexpr uint16_t kMeshFan[]
Definition: vertices.cpp:68

◆ onOnceBeforeDraw()

void VerticesGM::onOnceBeforeDraw ( )
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 119 of file vertices.cpp.

119 {
120 fill_mesh(fPts, fTexs, fColors, fShaderScale);
121 fShader1 = make_shader1(fShaderScale);
122 fShader2 = make_shader2();
123 fColorFilter = make_color_filter();
124 }
make_shader1
static sk_sp< SkShader > make_shader1(SkScalar shaderScale)
Definition: vertices.cpp:39
make_shader2
static sk_sp< SkShader > make_shader2()
Definition: vertices.cpp:57
fill_mesh
static void fill_mesh(SkPoint pts[kMeshVertexCnt], SkPoint texs[kMeshVertexCnt], SkColor colors[kMeshVertexCnt], SkScalar shaderScale)
Definition: vertices.cpp:76
make_color_filter
static sk_sp< SkColorFilter > make_color_filter()
Definition: vertices.cpp:61
The documentation for this class was generated from the following file:
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