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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "GrConfigConversionEffect.h" | 8 #include "GrConfigConversionEffect.h" |
| 9 #include "GrContext.h" | 9 #include "GrContext.h" |
| 10 #include "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
| (...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 89 private: | 89 private: |
| 90 bool fSwapRedAndBlue; | 90 bool fSwapRedAndBlue; |
| 91 GrConfigConversionEffect::PMConversion fPMConversion; | 91 GrConfigConversionEffect::PMConversion fPMConversion; |
| 92 | 92 |
| 93 typedef GrGLFragmentProcessor INHERITED; | 93 typedef GrGLFragmentProcessor INHERITED; |
| 94 | 94 |
| 95 }; | 95 }; |
| 96 | 96 |
| 97 /////////////////////////////////////////////////////////////////////////////// | 97 /////////////////////////////////////////////////////////////////////////////// |
| 98 | 98 |
| 99 GrConfigConversionEffect::GrConfigConversionEffect(GrProcessorDataManager* procD
ataManager, | 99 GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture, |
| 100 GrTexture* texture, | |
| 101 bool swapRedAndBlue, | 100 bool swapRedAndBlue, |
| 102 PMConversion pmConversion, | 101 PMConversion pmConversion, |
| 103 const SkMatrix& matrix) | 102 const SkMatrix& matrix) |
| 104 : INHERITED(procDataManager, texture, matrix) | 103 : INHERITED(texture, matrix) |
| 105 , fSwapRedAndBlue(swapRedAndBlue) | 104 , fSwapRedAndBlue(swapRedAndBlue) |
| 106 , fPMConversion(pmConversion) { | 105 , fPMConversion(pmConversion) { |
| 107 this->initClassID<GrConfigConversionEffect>(); | 106 this->initClassID<GrConfigConversionEffect>(); |
| 108 // We expect to get here with non-BGRA/RGBA only if we're doing not doing a
premul/unpremul | 107 // We expect to get here with non-BGRA/RGBA only if we're doing not doing a
premul/unpremul |
| 109 // conversion. | 108 // conversion. |
| 110 SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() || | 109 SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() || |
| 111 kBGRA_8888_GrPixelConfig == texture->config()) || | 110 kBGRA_8888_GrPixelConfig == texture->config()) || |
| 112 kNone_PMConversion == pmConversion); | 111 kNone_PMConversion == pmConversion); |
| 113 // Why did we pollute our texture cache instead of using a GrSingleTextureEf
fect? | 112 // Why did we pollute our texture cache instead of using a GrSingleTextureEf
fect? |
| 114 SkASSERT(swapRedAndBlue || kNone_PMConversion != pmConversion); | 113 SkASSERT(swapRedAndBlue || kNone_PMConversion != pmConversion); |
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| 129 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConfigConversionEffect); | 128 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConfigConversionEffect); |
| 130 | 129 |
| 131 const GrFragmentProcessor* GrConfigConversionEffect::TestCreate(GrProcessorTestD
ata* d) { | 130 const GrFragmentProcessor* GrConfigConversionEffect::TestCreate(GrProcessorTestD
ata* d) { |
| 132 PMConversion pmConv = static_cast<PMConversion>(d->fRandom->nextULessThan(kP
MConversionCnt)); | 131 PMConversion pmConv = static_cast<PMConversion>(d->fRandom->nextULessThan(kP
MConversionCnt)); |
| 133 bool swapRB; | 132 bool swapRB; |
| 134 if (kNone_PMConversion == pmConv) { | 133 if (kNone_PMConversion == pmConv) { |
| 135 swapRB = true; | 134 swapRB = true; |
| 136 } else { | 135 } else { |
| 137 swapRB = d->fRandom->nextBool(); | 136 swapRB = d->fRandom->nextBool(); |
| 138 } | 137 } |
| 139 return new GrConfigConversionEffect(d->fProcDataManager, | 138 return new GrConfigConversionEffect(d->fTextures[GrProcessorUnitTest::kSkiaP
MTextureIdx], |
| 140 d->fTextures[GrProcessorUnitTest::kSkiaP
MTextureIdx], | |
| 141 swapRB, pmConv, GrTest::TestMatrix(d->fR
andom)); | 139 swapRB, pmConv, GrTest::TestMatrix(d->fR
andom)); |
| 142 } | 140 } |
| 143 | 141 |
| 144 /////////////////////////////////////////////////////////////////////////////// | 142 /////////////////////////////////////////////////////////////////////////////// |
| 145 | 143 |
| 146 void GrConfigConversionEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, | 144 void GrConfigConversionEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 147 GrProcessorKeyBuilder* b) const
{ | 145 GrProcessorKeyBuilder* b) const
{ |
| 148 GrGLConfigConversionEffect::GenKey(*this, caps, b); | 146 GrGLConfigConversionEffect::GenKey(*this, caps, b); |
| 149 } | 147 } |
| 150 | 148 |
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| 210 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); | 208 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); |
| 211 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); | 209 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); |
| 212 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw | 210 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw |
| 213 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. | 211 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. |
| 214 // We then verify that two reads produced the same values. | 212 // We then verify that two reads produced the same values. |
| 215 | 213 |
| 216 GrPaint paint1; | 214 GrPaint paint1; |
| 217 GrPaint paint2; | 215 GrPaint paint2; |
| 218 GrPaint paint3; | 216 GrPaint paint3; |
| 219 SkAutoTUnref<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect( | 217 SkAutoTUnref<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect( |
| 220 paint1.getProcessorDataManager(), dataTex, false, *pmToUPMRule,
SkMatrix::I())); | 218 dataTex, false, *pmToUPMRule, SkMatrix::I())); |
| 221 SkAutoTUnref<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect( | 219 SkAutoTUnref<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect( |
| 222 paint2.getProcessorDataManager(), readTex, false, *upmToPMRule,
SkMatrix::I())); | 220 readTex, false, *upmToPMRule, SkMatrix::I())); |
| 223 SkAutoTUnref<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect( | 221 SkAutoTUnref<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect( |
| 224 paint3.getProcessorDataManager(), tempTex, false, *pmToUPMRule,
SkMatrix::I())); | 222 tempTex, false, *pmToUPMRule, SkMatrix::I())); |
| 225 | 223 |
| 226 paint1.addColorFragmentProcessor(pmToUPM1); | 224 paint1.addColorFragmentProcessor(pmToUPM1); |
| 227 | 225 |
| 228 | 226 |
| 229 SkAutoTUnref<GrDrawContext> readDrawContext(context->drawContext()); | 227 SkAutoTUnref<GrDrawContext> readDrawContext(context->drawContext()); |
| 230 if (!readDrawContext) { | 228 if (!readDrawContext) { |
| 231 failed = true; | 229 failed = true; |
| 232 break; | 230 break; |
| 233 } | 231 } |
| 234 | 232 |
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| 281 } | 279 } |
| 282 } | 280 } |
| 283 } | 281 } |
| 284 } | 282 } |
| 285 if (failed) { | 283 if (failed) { |
| 286 *pmToUPMRule = kNone_PMConversion; | 284 *pmToUPMRule = kNone_PMConversion; |
| 287 *upmToPMRule = kNone_PMConversion; | 285 *upmToPMRule = kNone_PMConversion; |
| 288 } | 286 } |
| 289 } | 287 } |
| 290 | 288 |
| 291 const GrFragmentProcessor* GrConfigConversionEffect::Create(GrProcessorDataManag
er* procDataManager, | 289 const GrFragmentProcessor* GrConfigConversionEffect::Create(GrTexture* texture, |
| 292 GrTexture* texture, | |
| 293 bool swapRedAndBlue, | 290 bool swapRedAndBlue, |
| 294 PMConversion pmConve
rsion, | 291 PMConversion pmConve
rsion, |
| 295 const SkMatrix& matr
ix) { | 292 const SkMatrix& matr
ix) { |
| 296 if (!swapRedAndBlue && kNone_PMConversion == pmConversion) { | 293 if (!swapRedAndBlue && kNone_PMConversion == pmConversion) { |
| 297 // If we returned a GrConfigConversionEffect that was equivalent to a Gr
SimpleTextureEffect | 294 // If we returned a GrConfigConversionEffect that was equivalent to a Gr
SimpleTextureEffect |
| 298 // then we may pollute our texture cache with redundant shaders. So in t
he case that no | 295 // then we may pollute our texture cache with redundant shaders. So in t
he case that no |
| 299 // conversions were requested we instead return a GrSimpleTextureEffect. | 296 // conversions were requested we instead return a GrSimpleTextureEffect. |
| 300 return GrSimpleTextureEffect::Create(procDataManager, texture, matrix); | 297 return GrSimpleTextureEffect::Create(texture, matrix); |
| 301 } else { | 298 } else { |
| 302 if (kRGBA_8888_GrPixelConfig != texture->config() && | 299 if (kRGBA_8888_GrPixelConfig != texture->config() && |
| 303 kBGRA_8888_GrPixelConfig != texture->config() && | 300 kBGRA_8888_GrPixelConfig != texture->config() && |
| 304 kNone_PMConversion != pmConversion) { | 301 kNone_PMConversion != pmConversion) { |
| 305 // The PM conversions assume colors are 0..255 | 302 // The PM conversions assume colors are 0..255 |
| 306 return nullptr; | 303 return nullptr; |
| 307 } | 304 } |
| 308 return new GrConfigConversionEffect(procDataManager, texture, swapRedAnd
Blue, pmConversion, | 305 return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversio
n, matrix); |
| 309 matrix); | |
| 310 } | 306 } |
| 311 } | 307 } |
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