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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 174 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 185 private: | 185 private: |
| 186 | 186 |
| 187 typedef GrGLGradientEffect INHERITED; | 187 typedef GrGLGradientEffect INHERITED; |
| 188 | 188 |
| 189 }; | 189 }; |
| 190 | 190 |
| 191 ///////////////////////////////////////////////////////////////////// | 191 ///////////////////////////////////////////////////////////////////// |
| 192 | 192 |
| 193 class GrSweepGradient : public GrGradientEffect { | 193 class GrSweepGradient : public GrGradientEffect { |
| 194 public: | 194 public: |
| 195 static GrFragmentProcessor* Create(GrContext* ctx, const SkSweepGradient& sh
ader, | 195 static GrFragmentProcessor* Create(GrContext* ctx, |
| 196 const SkMatrix& m) { | 196 const SkSweepGradient& shader, const SkMa
trix& m, GrRenderTarget* dst) { |
| 197 return new GrSweepGradient(ctx, shader, m); | 197 return new GrSweepGradient(ctx, shader, m, dst); |
| 198 } | 198 } |
| 199 virtual ~GrSweepGradient() { } | 199 virtual ~GrSweepGradient() { } |
| 200 | 200 |
| 201 const char* name() const override { return "Sweep Gradient"; } | 201 const char* name() const override { return "Sweep Gradient"; } |
| 202 | 202 |
| 203 private: | 203 private: |
| 204 GrSweepGradient(GrContext* ctx, | 204 GrSweepGradient(GrContext* ctx, |
| 205 const SkSweepGradient& shader, | 205 const SkSweepGradient& shader, |
| 206 const SkMatrix& matrix) | 206 const SkMatrix& matrix, GrRenderTarget* dst) |
| 207 : INHERITED(ctx, shader, matrix, SkShader::kClamp_TileMode) { | 207 : INHERITED(ctx, shader, matrix, SkShader::kClamp_TileMode, dst) { |
| 208 this->initClassID<GrSweepGradient>(); | 208 this->initClassID<GrSweepGradient>(); |
| 209 } | 209 } |
| 210 | 210 |
| 211 GrGLFragmentProcessor* onCreateGLInstance() const override { | 211 GrGLFragmentProcessor* onCreateGLInstance() const override { |
| 212 return new GrGLSweepGradient(*this); | 212 return new GrGLSweepGradient(*this); |
| 213 } | 213 } |
| 214 | 214 |
| 215 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, | 215 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 216 GrProcessorKeyBuilder* b) const override { | 216 GrProcessorKeyBuilder* b) const override { |
| 217 GrGLSweepGradient::GenKey(*this, caps, b); | 217 GrGLSweepGradient::GenKey(*this, caps, b); |
| (...skipping 13 matching lines...) Expand all Loading... |
| 231 | 231 |
| 232 SkColor colors[kMaxRandomGradientColors]; | 232 SkColor colors[kMaxRandomGradientColors]; |
| 233 SkScalar stopsArray[kMaxRandomGradientColors]; | 233 SkScalar stopsArray[kMaxRandomGradientColors]; |
| 234 SkScalar* stops = stopsArray; | 234 SkScalar* stops = stopsArray; |
| 235 SkShader::TileMode tmIgnored; | 235 SkShader::TileMode tmIgnored; |
| 236 int colorCount = RandomGradientParams(d->fRandom, colors, &stops, &tmIgnored
); | 236 int colorCount = RandomGradientParams(d->fRandom, colors, &stops, &tmIgnored
); |
| 237 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateSweep(center.fX, cente
r.fY, | 237 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateSweep(center.fX, cente
r.fY, |
| 238 colors, stops, c
olorCount)); | 238 colors, stops, c
olorCount)); |
| 239 const GrFragmentProcessor* fp = shader->asFragmentProcessor(d->fContext, | 239 const GrFragmentProcessor* fp = shader->asFragmentProcessor(d->fContext, |
| 240 GrTest::TestMatr
ix(d->fRandom), | 240 GrTest::TestMatr
ix(d->fRandom), |
| 241 NULL, kNone_SkFi
lterQuality); | 241 NULL, kNone_SkFi
lterQuality, |
| 242 NULL); |
| 242 GrAlwaysAssert(fp); | 243 GrAlwaysAssert(fp); |
| 243 return fp; | 244 return fp; |
| 244 } | 245 } |
| 245 | 246 |
| 246 ///////////////////////////////////////////////////////////////////// | 247 ///////////////////////////////////////////////////////////////////// |
| 247 | 248 |
| 248 void GrGLSweepGradient::emitCode(EmitArgs& args) { | 249 void GrGLSweepGradient::emitCode(EmitArgs& args) { |
| 249 const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>(); | 250 const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>(); |
| 250 this->emitUniforms(args.fBuilder, ge); | 251 this->emitUniforms(args.fBuilder, ge); |
| 251 SkString coords2D = args.fBuilder->getFragmentShaderBuilder() | 252 SkString coords2D = args.fBuilder->getFragmentShaderBuilder() |
| (...skipping 12 matching lines...) Expand all Loading... |
| 264 this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInput
Color, | 265 this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInput
Color, |
| 265 args.fSamplers); | 266 args.fSamplers); |
| 266 } | 267 } |
| 267 | 268 |
| 268 ///////////////////////////////////////////////////////////////////// | 269 ///////////////////////////////////////////////////////////////////// |
| 269 | 270 |
| 270 const GrFragmentProcessor* SkSweepGradient::asFragmentProcessor( | 271 const GrFragmentProcessor* SkSweepGradient::asFragmentProcessor( |
| 271 GrContext* context, | 272 GrContext* context, |
| 272 const SkMatrix& viewM, | 273 const SkMatrix& viewM, |
| 273 const SkMatrix* localMatrix, | 274 const SkMatrix* localMatrix, |
| 274 SkFilterQuality) const { | 275 SkFilterQuality, |
| 276 GrRenderTarget* dst) const { |
| 275 | 277 |
| 276 SkMatrix matrix; | 278 SkMatrix matrix; |
| 277 if (!this->getLocalMatrix().invert(&matrix)) { | 279 if (!this->getLocalMatrix().invert(&matrix)) { |
| 278 return nullptr; | 280 return nullptr; |
| 279 } | 281 } |
| 280 if (localMatrix) { | 282 if (localMatrix) { |
| 281 SkMatrix inv; | 283 SkMatrix inv; |
| 282 if (!localMatrix->invert(&inv)) { | 284 if (!localMatrix->invert(&inv)) { |
| 283 return nullptr; | 285 return nullptr; |
| 284 } | 286 } |
| 285 matrix.postConcat(inv); | 287 matrix.postConcat(inv); |
| 286 } | 288 } |
| 287 matrix.postConcat(fPtsToUnit); | 289 matrix.postConcat(fPtsToUnit); |
| 288 | 290 |
| 289 SkAutoTUnref<const GrFragmentProcessor> inner( | 291 SkAutoTUnref<const GrFragmentProcessor> inner( |
| 290 GrSweepGradient::Create(context, *this, matrix)); | 292 GrSweepGradient::Create(context, *this, matrix, dst)); |
| 291 return GrFragmentProcessor::MulOutputByInputAlpha(inner); | 293 return GrFragmentProcessor::MulOutputByInputAlpha(inner); |
| 292 } | 294 } |
| 293 | 295 |
| 294 #endif | 296 #endif |
| 295 | 297 |
| 296 #ifndef SK_IGNORE_TO_STRING | 298 #ifndef SK_IGNORE_TO_STRING |
| 297 void SkSweepGradient::toString(SkString* str) const { | 299 void SkSweepGradient::toString(SkString* str) const { |
| 298 str->append("SkSweepGradient: ("); | 300 str->append("SkSweepGradient: ("); |
| 299 | 301 |
| 300 str->append("center: ("); | 302 str->append("center: ("); |
| 301 str->appendScalar(fCenter.fX); | 303 str->appendScalar(fCenter.fX); |
| 302 str->append(", "); | 304 str->append(", "); |
| 303 str->appendScalar(fCenter.fY); | 305 str->appendScalar(fCenter.fY); |
| 304 str->append(") "); | 306 str->append(") "); |
| 305 | 307 |
| 306 this->INHERITED::toString(str); | 308 this->INHERITED::toString(str); |
| 307 | 309 |
| 308 str->append(")"); | 310 str->append(")"); |
| 309 } | 311 } |
| 310 #endif | 312 #endif |
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