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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 #include "SkSweepGradient.h" | 9 #include "SkSweepGradient.h" |
| 10 | 10 |
| (...skipping 173 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 184 private: | 184 private: |
| 185 | 185 |
| 186 typedef GrGLGradientEffect INHERITED; | 186 typedef GrGLGradientEffect INHERITED; |
| 187 | 187 |
| 188 }; | 188 }; |
| 189 | 189 |
| 190 ///////////////////////////////////////////////////////////////////// | 190 ///////////////////////////////////////////////////////////////////// |
| 191 | 191 |
| 192 class GrSweepGradient : public GrGradientEffect { | 192 class GrSweepGradient : public GrGradientEffect { |
| 193 public: | 193 public: |
| 194 static GrFragmentProcessor* Create(GrContext* ctx, GrProcessorDataManager* p
rocDataManager, | 194 static GrFragmentProcessor* Create(GrContext* ctx, const SkSweepGradient& sh
ader, |
| 195 const SkSweepGradient& shader, const SkMa
trix& m) { | 195 const SkMatrix& m) { |
| 196 return new GrSweepGradient(ctx, procDataManager, shader, m); | 196 return new GrSweepGradient(ctx, shader, m); |
| 197 } | 197 } |
| 198 virtual ~GrSweepGradient() { } | 198 virtual ~GrSweepGradient() { } |
| 199 | 199 |
| 200 const char* name() const override { return "Sweep Gradient"; } | 200 const char* name() const override { return "Sweep Gradient"; } |
| 201 | 201 |
| 202 private: | 202 private: |
| 203 GrSweepGradient(GrContext* ctx, | 203 GrSweepGradient(GrContext* ctx, |
| 204 GrProcessorDataManager* procDataManager, | |
| 205 const SkSweepGradient& shader, | 204 const SkSweepGradient& shader, |
| 206 const SkMatrix& matrix) | 205 const SkMatrix& matrix) |
| 207 : INHERITED(ctx, procDataManager, shader, matrix, SkShader::kClamp_TileMode)
{ | 206 : INHERITED(ctx, shader, matrix, SkShader::kClamp_TileMode) { |
| 208 this->initClassID<GrSweepGradient>(); | 207 this->initClassID<GrSweepGradient>(); |
| 209 } | 208 } |
| 210 | 209 |
| 211 GrGLFragmentProcessor* onCreateGLInstance() const override { | 210 GrGLFragmentProcessor* onCreateGLInstance() const override { |
| 212 return new GrGLSweepGradient(*this); | 211 return new GrGLSweepGradient(*this); |
| 213 } | 212 } |
| 214 | 213 |
| 215 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, | 214 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 216 GrProcessorKeyBuilder* b) const override { | 215 GrProcessorKeyBuilder* b) const override { |
| 217 GrGLSweepGradient::GenKey(*this, caps, b); | 216 GrGLSweepGradient::GenKey(*this, caps, b); |
| (...skipping 13 matching lines...) Expand all Loading... |
| 231 | 230 |
| 232 SkColor colors[kMaxRandomGradientColors]; | 231 SkColor colors[kMaxRandomGradientColors]; |
| 233 SkScalar stopsArray[kMaxRandomGradientColors]; | 232 SkScalar stopsArray[kMaxRandomGradientColors]; |
| 234 SkScalar* stops = stopsArray; | 233 SkScalar* stops = stopsArray; |
| 235 SkShader::TileMode tmIgnored; | 234 SkShader::TileMode tmIgnored; |
| 236 int colorCount = RandomGradientParams(d->fRandom, colors, &stops, &tmIgnored
); | 235 int colorCount = RandomGradientParams(d->fRandom, colors, &stops, &tmIgnored
); |
| 237 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateSweep(center.fX, cente
r.fY, | 236 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateSweep(center.fX, cente
r.fY, |
| 238 colors, stops, c
olorCount)); | 237 colors, stops, c
olorCount)); |
| 239 const GrFragmentProcessor* fp = shader->asFragmentProcessor(d->fContext, | 238 const GrFragmentProcessor* fp = shader->asFragmentProcessor(d->fContext, |
| 240 GrTest::TestMatr
ix(d->fRandom), | 239 GrTest::TestMatr
ix(d->fRandom), |
| 241 NULL, kNone_SkFi
lterQuality, | 240 NULL, kNone_SkFi
lterQuality); |
| 242 d->fProcDataMana
ger); | |
| 243 GrAlwaysAssert(fp); | 241 GrAlwaysAssert(fp); |
| 244 return fp; | 242 return fp; |
| 245 } | 243 } |
| 246 | 244 |
| 247 ///////////////////////////////////////////////////////////////////// | 245 ///////////////////////////////////////////////////////////////////// |
| 248 | 246 |
| 249 void GrGLSweepGradient::emitCode(EmitArgs& args) { | 247 void GrGLSweepGradient::emitCode(EmitArgs& args) { |
| 250 const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>(); | 248 const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>(); |
| 251 this->emitUniforms(args.fBuilder, ge); | 249 this->emitUniforms(args.fBuilder, ge); |
| 252 SkString coords2D = args.fBuilder->getFragmentShaderBuilder() | 250 SkString coords2D = args.fBuilder->getFragmentShaderBuilder() |
| (...skipping 13 matching lines...) Expand all Loading... |
| 266 this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInput
Color, | 264 this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInput
Color, |
| 267 args.fSamplers); | 265 args.fSamplers); |
| 268 } | 266 } |
| 269 | 267 |
| 270 ///////////////////////////////////////////////////////////////////// | 268 ///////////////////////////////////////////////////////////////////// |
| 271 | 269 |
| 272 const GrFragmentProcessor* SkSweepGradient::asFragmentProcessor( | 270 const GrFragmentProcessor* SkSweepGradient::asFragmentProcessor( |
| 273 GrContext* context, | 271 GrContext* context, |
| 274 const SkMatrix& viewM, | 272 const SkMatrix& viewM, |
| 275 const SkMatrix* localMatrix, | 273 const SkMatrix* localMatrix, |
| 276 SkFilterQuality, | 274 SkFilterQuality) const { |
| 277 GrProcessorDataManager* proc
DataManager) const { | |
| 278 | 275 |
| 279 SkMatrix matrix; | 276 SkMatrix matrix; |
| 280 if (!this->getLocalMatrix().invert(&matrix)) { | 277 if (!this->getLocalMatrix().invert(&matrix)) { |
| 281 return nullptr; | 278 return nullptr; |
| 282 } | 279 } |
| 283 if (localMatrix) { | 280 if (localMatrix) { |
| 284 SkMatrix inv; | 281 SkMatrix inv; |
| 285 if (!localMatrix->invert(&inv)) { | 282 if (!localMatrix->invert(&inv)) { |
| 286 return nullptr; | 283 return nullptr; |
| 287 } | 284 } |
| 288 matrix.postConcat(inv); | 285 matrix.postConcat(inv); |
| 289 } | 286 } |
| 290 matrix.postConcat(fPtsToUnit); | 287 matrix.postConcat(fPtsToUnit); |
| 291 | 288 |
| 292 SkAutoTUnref<const GrFragmentProcessor> inner( | 289 SkAutoTUnref<const GrFragmentProcessor> inner( |
| 293 GrSweepGradient::Create(context, procDataManager, *this, matrix)); | 290 GrSweepGradient::Create(context, *this, matrix)); |
| 294 return GrFragmentProcessor::MulOutputByInputAlpha(inner); | 291 return GrFragmentProcessor::MulOutputByInputAlpha(inner); |
| 295 } | 292 } |
| 296 | 293 |
| 297 #endif | 294 #endif |
| 298 | 295 |
| 299 #ifndef SK_IGNORE_TO_STRING | 296 #ifndef SK_IGNORE_TO_STRING |
| 300 void SkSweepGradient::toString(SkString* str) const { | 297 void SkSweepGradient::toString(SkString* str) const { |
| 301 str->append("SkSweepGradient: ("); | 298 str->append("SkSweepGradient: ("); |
| 302 | 299 |
| 303 str->append("center: ("); | 300 str->append("center: ("); |
| 304 str->appendScalar(fCenter.fX); | 301 str->appendScalar(fCenter.fX); |
| 305 str->append(", "); | 302 str->append(", "); |
| 306 str->appendScalar(fCenter.fY); | 303 str->appendScalar(fCenter.fY); |
| 307 str->append(") "); | 304 str->append(") "); |
| 308 | 305 |
| 309 this->INHERITED::toString(str); | 306 this->INHERITED::toString(str); |
| 310 | 307 |
| 311 str->append(")"); | 308 str->append(")"); |
| 312 } | 309 } |
| 313 #endif | 310 #endif |
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