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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkAlphaThresholdFilter.h" | 8 #include "SkAlphaThresholdFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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42 SkScalar innerThreshold, | 42 SkScalar innerThreshold, |
43 SkScalar outerThreshold, | 43 SkScalar outerThreshold, |
44 SkImageFilter* input) { | 44 SkImageFilter* input) { |
45 return SkNEW_ARGS(SkAlphaThresholdFilterImpl, (region, innerThreshold, outer
Threshold, input)); | 45 return SkNEW_ARGS(SkAlphaThresholdFilterImpl, (region, innerThreshold, outer
Threshold, input)); |
46 } | 46 } |
47 | 47 |
48 #if SK_SUPPORT_GPU | 48 #if SK_SUPPORT_GPU |
49 #include "GrContext.h" | 49 #include "GrContext.h" |
50 #include "GrCoordTransform.h" | 50 #include "GrCoordTransform.h" |
51 #include "GrFragmentProcessor.h" | 51 #include "GrFragmentProcessor.h" |
| 52 #include "GrInvariantOutput.h" |
52 #include "gl/GrGLProcessor.h" | 53 #include "gl/GrGLProcessor.h" |
53 #include "gl/builders/GrGLProgramBuilder.h" | 54 #include "gl/builders/GrGLProgramBuilder.h" |
54 #include "GrTBackendProcessorFactory.h" | 55 #include "GrTBackendProcessorFactory.h" |
55 #include "GrTextureAccess.h" | 56 #include "GrTextureAccess.h" |
56 | 57 |
57 #include "SkGr.h" | 58 #include "SkGr.h" |
58 | 59 |
59 class GrGLAlphaThresholdEffect; | 60 class GrGLAlphaThresholdEffect; |
60 | 61 |
61 class AlphaThresholdEffect : public GrFragmentProcessor { | 62 class AlphaThresholdEffect : public GrFragmentProcessor { |
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95 GrCoordTransform::MakeDivByTextureWHMatrix(maskTex
ture), maskTexture) | 96 GrCoordTransform::MakeDivByTextureWHMatrix(maskTex
ture), maskTexture) |
96 , fMaskTextureAccess(maskTexture) { | 97 , fMaskTextureAccess(maskTexture) { |
97 this->addCoordTransform(&fImageCoordTransform); | 98 this->addCoordTransform(&fImageCoordTransform); |
98 this->addTextureAccess(&fImageTextureAccess); | 99 this->addTextureAccess(&fImageTextureAccess); |
99 this->addCoordTransform(&fMaskCoordTransform); | 100 this->addCoordTransform(&fMaskCoordTransform); |
100 this->addTextureAccess(&fMaskTextureAccess); | 101 this->addTextureAccess(&fMaskTextureAccess); |
101 } | 102 } |
102 | 103 |
103 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; | 104 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
104 | 105 |
105 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE; | 106 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; |
106 | 107 |
107 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 108 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
108 | 109 |
109 float fInnerThreshold; | 110 float fInnerThreshold; |
110 float fOuterThreshold; | 111 float fOuterThreshold; |
111 GrCoordTransform fImageCoordTransform; | 112 GrCoordTransform fImageCoordTransform; |
112 GrTextureAccess fImageTextureAccess; | 113 GrTextureAccess fImageTextureAccess; |
113 GrCoordTransform fMaskCoordTransform; | 114 GrCoordTransform fMaskCoordTransform; |
114 GrTextureAccess fMaskTextureAccess; | 115 GrTextureAccess fMaskTextureAccess; |
115 | 116 |
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220 const GrBackendFragmentProcessorFactory& AlphaThresholdEffect::getFactory() cons
t { | 221 const GrBackendFragmentProcessorFactory& AlphaThresholdEffect::getFactory() cons
t { |
221 return GrTBackendFragmentProcessorFactory<AlphaThresholdEffect>::getInstance
(); | 222 return GrTBackendFragmentProcessorFactory<AlphaThresholdEffect>::getInstance
(); |
222 } | 223 } |
223 | 224 |
224 bool AlphaThresholdEffect::onIsEqual(const GrFragmentProcessor& sBase) const { | 225 bool AlphaThresholdEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
225 const AlphaThresholdEffect& s = sBase.cast<AlphaThresholdEffect>(); | 226 const AlphaThresholdEffect& s = sBase.cast<AlphaThresholdEffect>(); |
226 return (this->fInnerThreshold == s.fInnerThreshold && | 227 return (this->fInnerThreshold == s.fInnerThreshold && |
227 this->fOuterThreshold == s.fOuterThreshold); | 228 this->fOuterThreshold == s.fOuterThreshold); |
228 } | 229 } |
229 | 230 |
230 void AlphaThresholdEffect::onComputeInvariantOutput(InvariantOutput* inout) cons
t { | 231 void AlphaThresholdEffect::onComputeInvariantOutput(GrInvariantOutput* inout) co
nst { |
231 if (GrPixelConfigIsOpaque(this->texture(0)->config()) && fOuterThreshold >=
1.f) { | 232 if (GrPixelConfigIsOpaque(this->texture(0)->config()) && fOuterThreshold >=
1.f) { |
232 inout->mulByUnknownOpaqueColor(); | 233 inout->mulByUnknownOpaqueColor(); |
233 } else { | 234 } else { |
234 inout->mulByUnknownColor(); | 235 inout->mulByUnknownColor(); |
235 } | 236 } |
236 } | 237 } |
237 | 238 |
238 #endif | 239 #endif |
239 | 240 |
240 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING | 241 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
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377 (U8CPU)(SkColorGetG(source) *
scale), | 378 (U8CPU)(SkColorGetG(source) *
scale), |
378 (U8CPU)(SkColorGetB(source) *
scale)); | 379 (U8CPU)(SkColorGetB(source) *
scale)); |
379 } | 380 } |
380 } | 381 } |
381 dptr[y * dst->width() + x] = output_color; | 382 dptr[y * dst->width() + x] = output_color; |
382 } | 383 } |
383 } | 384 } |
384 | 385 |
385 return true; | 386 return true; |
386 } | 387 } |
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