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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 #ifndef GrDistanceFieldGeoProc_DEFINED | 8 #ifndef GrDistanceFieldGeoProc_DEFINED |
| 9 #define GrDistanceFieldGeoProc_DEFINED | 9 #define GrDistanceFieldGeoProc_DEFINED |
| 10 | 10 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 | 28 |
| 29 kUniformScale_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| | 29 kUniformScale_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| |
| 30 kRectToRect_DistanceFieldEffectFlag, | 30 kRectToRect_DistanceFieldEffectFlag, |
| 31 // The subset of the flags relevant to GrDistanceFieldA8TextGeoProc | 31 // The subset of the flags relevant to GrDistanceFieldA8TextGeoProc |
| 32 kNonLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| | 32 kNonLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| |
| 33 kColorAttr_DistanceFieldEffectFlag, | 33 kColorAttr_DistanceFieldEffectFlag, |
| 34 // The subset of the flags relevant to GrDistanceFieldLCDTextGeoProc | 34 // The subset of the flags relevant to GrDistanceFieldLCDTextGeoProc |
| 35 kLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| | 35 kLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag
| |
| 36 kRectToRect_DistanceFieldEffectFlag
| | 36 kRectToRect_DistanceFieldEffectFlag
| |
| 37 kUseLCD_DistanceFieldEffectFlag | | 37 kUseLCD_DistanceFieldEffectFlag | |
| 38 kBGR_DistanceFieldEffectFlag | | 38 kBGR_DistanceFieldEffectFlag, |
| 39 kColorAttr_DistanceFieldEffectFlag, | |
| 40 }; | 39 }; |
| 41 | 40 |
| 42 /** | 41 /** |
| 43 * The output color of this effect is a modulation of the input color and a samp
le from a | 42 * The output color of this effect is a modulation of the input color and a samp
le from a |
| 44 * distance field texture (using a smoothed step function near 0.5). | 43 * distance field texture (using a smoothed step function near 0.5). |
| 45 * It allows explicit specification of the filtering and wrap modes (GrTexturePa
rams). The input | 44 * It allows explicit specification of the filtering and wrap modes (GrTexturePa
rams). The input |
| 46 * coords are a custom attribute. Gamma correction is handled via a texture LUT. | 45 * coords are a custom attribute. Gamma correction is handled via a texture LUT. |
| 47 */ | 46 */ |
| 48 class GrDistanceFieldA8TextGeoProc : public GrGeometryProcessor { | 47 class GrDistanceFieldA8TextGeoProc : public GrGeometryProcessor { |
| 49 public: | 48 public: |
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| 191 bool usesLocalCoords) { | 190 bool usesLocalCoords) { |
| 192 return new GrDistanceFieldLCDTextGeoProc(color, viewMatrix, tex, params,
distanceAdjust, | 191 return new GrDistanceFieldLCDTextGeoProc(color, viewMatrix, tex, params,
distanceAdjust, |
| 193 flags, usesLocalCoords); | 192 flags, usesLocalCoords); |
| 194 } | 193 } |
| 195 | 194 |
| 196 virtual ~GrDistanceFieldLCDTextGeoProc() {} | 195 virtual ~GrDistanceFieldLCDTextGeoProc() {} |
| 197 | 196 |
| 198 const char* name() const override { return "DistanceFieldLCDTexture"; } | 197 const char* name() const override { return "DistanceFieldLCDTexture"; } |
| 199 | 198 |
| 200 const Attribute* inPosition() const { return fInPosition; } | 199 const Attribute* inPosition() const { return fInPosition; } |
| 201 const Attribute* inColor() const { return fInColor; } | |
| 202 const Attribute* inTextureCoords() const { return fInTextureCoords; } | 200 const Attribute* inTextureCoords() const { return fInTextureCoords; } |
| 203 DistanceAdjust getDistanceAdjust() const { return fDistanceAdjust; } | 201 DistanceAdjust getDistanceAdjust() const { return fDistanceAdjust; } |
| 204 GrColor color() const { return fColor; } | 202 GrColor color() const { return fColor; } |
| 205 bool colorIgnored() const { return GrColor_ILLEGAL == fColor; } | 203 bool colorIgnored() const { return GrColor_ILLEGAL == fColor; } |
| 206 bool hasVertexColor() const { return SkToBool(fInColor); } | |
| 207 const SkMatrix& viewMatrix() const { return fViewMatrix; } | 204 const SkMatrix& viewMatrix() const { return fViewMatrix; } |
| 208 uint32_t getFlags() const { return fFlags; } | 205 uint32_t getFlags() const { return fFlags; } |
| 209 bool usesLocalCoords() const { return fUsesLocalCoords; } | 206 bool usesLocalCoords() const { return fUsesLocalCoords; } |
| 210 | 207 |
| 211 void getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; | 208 void getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; |
| 212 | 209 |
| 213 GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const overri
de; | 210 GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const overri
de; |
| 214 | 211 |
| 215 private: | 212 private: |
| 216 GrDistanceFieldLCDTextGeoProc(GrColor, const SkMatrix& viewMatrix, | 213 GrDistanceFieldLCDTextGeoProc(GrColor, const SkMatrix& viewMatrix, |
| 217 GrTexture* texture, const GrTextureParams& par
ams, | 214 GrTexture* texture, const GrTextureParams& par
ams, |
| 218 DistanceAdjust wa, uint32_t flags, | 215 DistanceAdjust wa, uint32_t flags, |
| 219 bool usesLocalCoords); | 216 bool usesLocalCoords); |
| 220 | 217 |
| 221 GrColor fColor; | 218 GrColor fColor; |
| 222 SkMatrix fViewMatrix; | 219 SkMatrix fViewMatrix; |
| 223 GrTextureAccess fTextureAccess; | 220 GrTextureAccess fTextureAccess; |
| 224 DistanceAdjust fDistanceAdjust; | 221 DistanceAdjust fDistanceAdjust; |
| 225 uint32_t fFlags; | 222 uint32_t fFlags; |
| 226 const Attribute* fInPosition; | 223 const Attribute* fInPosition; |
| 227 const Attribute* fInColor; | |
| 228 const Attribute* fInTextureCoords; | 224 const Attribute* fInTextureCoords; |
| 229 bool fUsesLocalCoords; | 225 bool fUsesLocalCoords; |
| 230 | 226 |
| 231 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; | 227 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
| 232 | 228 |
| 233 typedef GrGeometryProcessor INHERITED; | 229 typedef GrGeometryProcessor INHERITED; |
| 234 }; | 230 }; |
| 235 | 231 |
| 236 #endif | 232 #endif |
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