OLD | NEW |
1 | 1 |
2 /* | 2 /* |
3 * Copyright 2014 Google Inc. | 3 * Copyright 2014 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 "SkTwoPointConicalGradient_gpu.h" | 9 #include "SkTwoPointConicalGradient_gpu.h" |
10 | 10 |
11 #include "SkTwoPointConicalGradient.h" | 11 #include "SkTwoPointConicalGradient.h" |
12 | 12 |
13 #if SK_SUPPORT_GPU | 13 #if SK_SUPPORT_GPU |
14 #include "GrTBackendEffectFactory.h" | 14 #include "GrTBackendProcessorFactory.h" |
15 #include "gl/builders/GrGLProgramBuilder.h" | 15 #include "gl/builders/GrGLProgramBuilder.h" |
16 // For brevity | 16 // For brevity |
17 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 17 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
18 | 18 |
19 static const SkScalar kErrorTol = 0.00001f; | 19 static const SkScalar kErrorTol = 0.00001f; |
20 static const SkScalar kEdgeErrorTol = 5.f * kErrorTol; | 20 static const SkScalar kEdgeErrorTol = 5.f * kErrorTol; |
21 | 21 |
22 /** | 22 /** |
23 * We have three general cases for 2pt conical gradients. First we always assume
that | 23 * We have three general cases for 2pt conical gradients. First we always assume
that |
24 * the start radius <= end radius. Our first case (kInside_) is when the start c
ircle | 24 * the start radius <= end radius. Our first case (kInside_) is when the start c
ircle |
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53 SkScalarMul(invDiffLen, diff.fX)); | 53 SkScalarMul(invDiffLen, diff.fX)); |
54 invLMatrix->postConcat(rot); | 54 invLMatrix->postConcat(rot); |
55 } | 55 } |
56 } | 56 } |
57 | 57 |
58 class GLEdge2PtConicalEffect; | 58 class GLEdge2PtConicalEffect; |
59 | 59 |
60 class Edge2PtConicalEffect : public GrGradientEffect { | 60 class Edge2PtConicalEffect : public GrGradientEffect { |
61 public: | 61 public: |
62 | 62 |
63 static GrEffect* Create(GrContext* ctx, | 63 static GrFragmentProcessor* Create(GrContext* ctx, |
64 const SkTwoPointConicalGradient& shader, | 64 const SkTwoPointConicalGradient& shader, |
65 const SkMatrix& matrix, | 65 const SkMatrix& matrix, |
66 SkShader::TileMode tm) { | 66 SkShader::TileMode tm) { |
67 return SkNEW_ARGS(Edge2PtConicalEffect, (ctx, shader, matrix, tm)); | 67 return SkNEW_ARGS(Edge2PtConicalEffect, (ctx, shader, matrix, tm)); |
68 } | 68 } |
69 | 69 |
70 virtual ~Edge2PtConicalEffect() {} | 70 virtual ~Edge2PtConicalEffect() {} |
71 | 71 |
72 static const char* Name() { return "Two-Point Conical Gradient Edge Touching
"; } | 72 static const char* Name() { return "Two-Point Conical Gradient Edge Touching
"; } |
73 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 73 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
74 | 74 |
75 // The radial gradient parameters can collapse to a linear (instead of quadr
atic) equation. | 75 // The radial gradient parameters can collapse to a linear (instead of quadr
atic) equation. |
76 SkScalar center() const { return fCenterX1; } | 76 SkScalar center() const { return fCenterX1; } |
77 SkScalar diffRadius() const { return fDiffRadius; } | 77 SkScalar diffRadius() const { return fDiffRadius; } |
78 SkScalar radius() const { return fRadius0; } | 78 SkScalar radius() const { return fRadius0; } |
79 | 79 |
80 typedef GLEdge2PtConicalEffect GLEffect; | 80 typedef GLEdge2PtConicalEffect GLProcessor; |
81 | 81 |
82 private: | 82 private: |
83 virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE { | 83 virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE { |
84 const Edge2PtConicalEffect& s = sBase.cast<Edge2PtConicalEffect>(); | 84 const Edge2PtConicalEffect& s = sBase.cast<Edge2PtConicalEffect>(); |
85 return (INHERITED::onIsEqual(sBase) && | 85 return (INHERITED::onIsEqual(sBase) && |
86 this->fCenterX1 == s.fCenterX1 && | 86 this->fCenterX1 == s.fCenterX1 && |
87 this->fRadius0 == s.fRadius0 && | 87 this->fRadius0 == s.fRadius0 && |
88 this->fDiffRadius == s.fDiffRadius); | 88 this->fDiffRadius == s.fDiffRadius); |
89 } | 89 } |
90 | 90 |
91 Edge2PtConicalEffect(GrContext* ctx, | 91 Edge2PtConicalEffect(GrContext* ctx, |
92 const SkTwoPointConicalGradient& shader, | 92 const SkTwoPointConicalGradient& shader, |
93 const SkMatrix& matrix, | 93 const SkMatrix& matrix, |
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109 SkScalar r0dr = SkScalarMul(fRadius0, fDiffRadius); | 109 SkScalar r0dr = SkScalarMul(fRadius0, fDiffRadius); |
110 bMatrix[SkMatrix::kMScaleX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMat
rix::kMScaleX]) + | 110 bMatrix[SkMatrix::kMScaleX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMat
rix::kMScaleX]) + |
111 SkScalarMul(r0dr, bMatrix[SkMatrix::
kMPersp0])); | 111 SkScalarMul(r0dr, bMatrix[SkMatrix::
kMPersp0])); |
112 bMatrix[SkMatrix::kMSkewX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMatr
ix::kMSkewX]) + | 112 bMatrix[SkMatrix::kMSkewX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMatr
ix::kMSkewX]) + |
113 SkScalarMul(r0dr, bMatrix[SkMatrix::k
MPersp1])); | 113 SkScalarMul(r0dr, bMatrix[SkMatrix::k
MPersp1])); |
114 bMatrix[SkMatrix::kMTransX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMat
rix::kMTransX]) + | 114 bMatrix[SkMatrix::kMTransX] = -2 * (SkScalarMul(fCenterX1, bMatrix[SkMat
rix::kMTransX]) + |
115 SkScalarMul(r0dr, bMatrix[SkMatrix::
kMPersp2])); | 115 SkScalarMul(r0dr, bMatrix[SkMatrix::
kMPersp2])); |
116 this->addCoordTransform(&fBTransform); | 116 this->addCoordTransform(&fBTransform); |
117 } | 117 } |
118 | 118 |
119 GR_DECLARE_EFFECT_TEST; | 119 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
120 | 120 |
121 // @{ | 121 // @{ |
122 // Cache of values - these can change arbitrarily, EXCEPT | 122 // Cache of values - these can change arbitrarily, EXCEPT |
123 // we shouldn't change between degenerate and non-degenerate?! | 123 // we shouldn't change between degenerate and non-degenerate?! |
124 | 124 |
125 GrCoordTransform fBTransform; | 125 GrCoordTransform fBTransform; |
126 SkScalar fCenterX1; | 126 SkScalar fCenterX1; |
127 SkScalar fRadius0; | 127 SkScalar fRadius0; |
128 SkScalar fDiffRadius; | 128 SkScalar fDiffRadius; |
129 | 129 |
130 // @} | 130 // @} |
131 | 131 |
132 typedef GrGradientEffect INHERITED; | 132 typedef GrGradientEffect INHERITED; |
133 }; | 133 }; |
134 | 134 |
135 class GLEdge2PtConicalEffect : public GrGLGradientEffect { | 135 class GLEdge2PtConicalEffect : public GrGLGradientEffect { |
136 public: | 136 public: |
137 GLEdge2PtConicalEffect(const GrBackendEffectFactory& factory, const GrEffect
&); | 137 GLEdge2PtConicalEffect(const GrBackendProcessorFactory& factory, const GrPro
cessor&); |
138 virtual ~GLEdge2PtConicalEffect() { } | 138 virtual ~GLEdge2PtConicalEffect() { } |
139 | 139 |
140 virtual void emitCode(GrGLProgramBuilder*, | 140 virtual void emitCode(GrGLProgramBuilder*, |
141 const GrEffect&, | 141 const GrFragmentProcessor&, |
142 const GrEffectKey&, | 142 const GrProcessorKey&, |
143 const char* outputColor, | 143 const char* outputColor, |
144 const char* inputColor, | 144 const char* inputColor, |
145 const TransformedCoordsArray&, | 145 const TransformedCoordsArray&, |
146 const TextureSamplerArray&) SK_OVERRIDE; | 146 const TextureSamplerArray&) SK_OVERRIDE; |
147 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; | 147 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
148 | 148 |
149 static void GenKey(const GrEffect&, const GrGLCaps& caps, GrEffectKeyBuilder
* b); | 149 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
150 | 150 |
151 protected: | 151 protected: |
152 UniformHandle fParamUni; | 152 UniformHandle fParamUni; |
153 | 153 |
154 const char* fVSVaryingName; | 154 const char* fVSVaryingName; |
155 const char* fFSVaryingName; | 155 const char* fFSVaryingName; |
156 | 156 |
157 // @{ | 157 // @{ |
158 /// Values last uploaded as uniforms | 158 /// Values last uploaded as uniforms |
159 | 159 |
160 SkScalar fCachedRadius; | 160 SkScalar fCachedRadius; |
161 SkScalar fCachedDiffRadius; | 161 SkScalar fCachedDiffRadius; |
162 | 162 |
163 // @} | 163 // @} |
164 | 164 |
165 private: | 165 private: |
166 typedef GrGLGradientEffect INHERITED; | 166 typedef GrGLGradientEffect INHERITED; |
167 | 167 |
168 }; | 168 }; |
169 | 169 |
170 const GrBackendEffectFactory& Edge2PtConicalEffect::getFactory() const { | 170 const GrBackendFragmentProcessorFactory& Edge2PtConicalEffect::getFactory() cons
t { |
171 return GrTBackendEffectFactory<Edge2PtConicalEffect>::getInstance(); | 171 return GrTBackendFragmentProcessorFactory<Edge2PtConicalEffect>::getInstance
(); |
172 } | 172 } |
173 | 173 |
174 GR_DEFINE_EFFECT_TEST(Edge2PtConicalEffect); | 174 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(Edge2PtConicalEffect); |
175 | 175 |
176 GrEffect* Edge2PtConicalEffect::TestCreate(SkRandom* random, | 176 GrFragmentProcessor* Edge2PtConicalEffect::TestCreate(SkRandom* random, |
177 GrContext* context, | 177 GrContext* context, |
178 const GrDrawTargetCaps&, | 178 const GrDrawTargetCaps&, |
179 GrTexture**) { | 179 GrTexture**) { |
180 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; | 180 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; |
181 SkScalar radius1 = random->nextUScalar1(); | 181 SkScalar radius1 = random->nextUScalar1(); |
182 SkPoint center2; | 182 SkPoint center2; |
183 SkScalar radius2; | 183 SkScalar radius2; |
184 do { | 184 do { |
185 center2.set(random->nextUScalar1(), random->nextUScalar1()); | 185 center2.set(random->nextUScalar1(), random->nextUScalar1()); |
186 // If the circles are identical the factory will give us an empty shader
. | 186 // If the circles are identical the factory will give us an empty shader
. |
187 // This will happen if we pick identical centers | 187 // This will happen if we pick identical centers |
188 } while (center1 == center2); | 188 } while (center1 == center2); |
189 | 189 |
190 // Below makes sure that circle one is contained within circle two | 190 // Below makes sure that circle one is contained within circle two |
191 // and both circles are touching on an edge | 191 // and both circles are touching on an edge |
192 SkPoint diff = center2 - center1; | 192 SkPoint diff = center2 - center1; |
193 SkScalar diffLen = diff.length(); | 193 SkScalar diffLen = diff.length(); |
194 radius2 = radius1 + diffLen; | 194 radius2 = radius1 + diffLen; |
195 | 195 |
196 SkColor colors[kMaxRandomGradientColors]; | 196 SkColor colors[kMaxRandomGradientColors]; |
197 SkScalar stopsArray[kMaxRandomGradientColors]; | 197 SkScalar stopsArray[kMaxRandomGradientColors]; |
198 SkScalar* stops = stopsArray; | 198 SkScalar* stops = stopsArray; |
199 SkShader::TileMode tm; | 199 SkShader::TileMode tm; |
200 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 200 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
201 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, | 201 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, |
202 center
2, radius2, | 202 center
2, radius2, |
203 colors
, stops, colorCount, | 203 colors
, stops, colorCount, |
204 tm)); | 204 tm)); |
205 SkPaint paint; | 205 SkPaint paint; |
206 GrEffect* effect; | 206 GrFragmentProcessor* fp; |
207 GrColor paintColor; | 207 GrColor paintColor; |
208 SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effec
t)); | 208 SkAssertResult(shader->asFragmentProcessor(context, paint, NULL, &paintColor
, &fp)); |
209 return effect; | 209 return fp; |
210 } | 210 } |
211 | 211 |
212 GLEdge2PtConicalEffect::GLEdge2PtConicalEffect(const GrBackendEffectFactory& fac
tory, | 212 GLEdge2PtConicalEffect::GLEdge2PtConicalEffect(const GrBackendProcessorFactory&
factory, |
213 const GrEffect& effect) | 213 const GrProcessor&) |
214 : INHERITED(factory) | 214 : INHERITED(factory) |
215 , fVSVaryingName(NULL) | 215 , fVSVaryingName(NULL) |
216 , fFSVaryingName(NULL) | 216 , fFSVaryingName(NULL) |
217 , fCachedRadius(-SK_ScalarMax) | 217 , fCachedRadius(-SK_ScalarMax) |
218 , fCachedDiffRadius(-SK_ScalarMax) {} | 218 , fCachedDiffRadius(-SK_ScalarMax) {} |
219 | 219 |
220 void GLEdge2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, | 220 void GLEdge2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, |
221 const GrEffect&, | 221 const GrFragmentProcessor&, |
222 const GrEffectKey& key, | 222 const GrProcessorKey& key, |
223 const char* outputColor, | 223 const char* outputColor, |
224 const char* inputColor, | 224 const char* inputColor, |
225 const TransformedCoordsArray& coords, | 225 const TransformedCoordsArray& coords, |
226 const TextureSamplerArray& samplers) { | 226 const TextureSamplerArray& samplers) { |
227 uint32_t baseKey = key.get32(0); | 227 uint32_t baseKey = key.get32(0); |
228 this->emitUniforms(builder, baseKey); | 228 this->emitUniforms(builder, baseKey); |
229 fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibilit
y, | 229 fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibilit
y, |
230 kFloat_GrSLType, "Conical2FSParams", 3)
; | 230 kFloat_GrSLType, "Conical2FSParams", 3)
; |
231 | 231 |
232 SkString cName("c"); | 232 SkString cName("c"); |
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269 | 269 |
270 // if r(t) > 0, then t will be the x coordinate | 270 // if r(t) > 0, then t will be the x coordinate |
271 fsBuilder->codeAppendf("\tif (%s * %s + %s > 0.0) {\n", tName.c_str(), | 271 fsBuilder->codeAppendf("\tif (%s * %s + %s > 0.0) {\n", tName.c_str(), |
272 p2.c_str(), p0.c_str()); | 272 p2.c_str(), p0.c_str()); |
273 fsBuilder->codeAppend("\t"); | 273 fsBuilder->codeAppend("\t"); |
274 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); | 274 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); |
275 fsBuilder->codeAppend("\t}\n"); | 275 fsBuilder->codeAppend("\t}\n"); |
276 } | 276 } |
277 | 277 |
278 void GLEdge2PtConicalEffect::setData(const GrGLProgramDataManager& pdman, | 278 void GLEdge2PtConicalEffect::setData(const GrGLProgramDataManager& pdman, |
279 const GrEffect& effect) { | 279 const GrProcessor& processor) { |
280 INHERITED::setData(pdman, effect); | 280 INHERITED::setData(pdman, processor); |
281 const Edge2PtConicalEffect& data = effect.cast<Edge2PtConicalEffect>(); | 281 const Edge2PtConicalEffect& data = processor.cast<Edge2PtConicalEffect>(); |
282 SkScalar radius0 = data.radius(); | 282 SkScalar radius0 = data.radius(); |
283 SkScalar diffRadius = data.diffRadius(); | 283 SkScalar diffRadius = data.diffRadius(); |
284 | 284 |
285 if (fCachedRadius != radius0 || | 285 if (fCachedRadius != radius0 || |
286 fCachedDiffRadius != diffRadius) { | 286 fCachedDiffRadius != diffRadius) { |
287 | 287 |
288 float values[3] = { | 288 float values[3] = { |
289 SkScalarToFloat(radius0), | 289 SkScalarToFloat(radius0), |
290 SkScalarToFloat(SkScalarMul(radius0, radius0)), | 290 SkScalarToFloat(SkScalarMul(radius0, radius0)), |
291 SkScalarToFloat(diffRadius) | 291 SkScalarToFloat(diffRadius) |
292 }; | 292 }; |
293 | 293 |
294 pdman.set1fv(fParamUni, 3, values); | 294 pdman.set1fv(fParamUni, 3, values); |
295 fCachedRadius = radius0; | 295 fCachedRadius = radius0; |
296 fCachedDiffRadius = diffRadius; | 296 fCachedDiffRadius = diffRadius; |
297 } | 297 } |
298 } | 298 } |
299 | 299 |
300 void GLEdge2PtConicalEffect::GenKey(const GrEffect& effect, | 300 void GLEdge2PtConicalEffect::GenKey(const GrProcessor& processor, |
301 const GrGLCaps&, GrEffectKeyBuilder* b) { | 301 const GrGLCaps&, GrProcessorKeyBuilder* b) { |
302 b->add32(GenBaseGradientKey(effect)); | 302 b->add32(GenBaseGradientKey(processor)); |
303 } | 303 } |
304 | 304 |
305 ////////////////////////////////////////////////////////////////////////////// | 305 ////////////////////////////////////////////////////////////////////////////// |
306 // Focal Conical Gradients | 306 // Focal Conical Gradients |
307 ////////////////////////////////////////////////////////////////////////////// | 307 ////////////////////////////////////////////////////////////////////////////// |
308 | 308 |
309 static ConicalType set_matrix_focal_conical(const SkTwoPointConicalGradient& sha
der, | 309 static ConicalType set_matrix_focal_conical(const SkTwoPointConicalGradient& sha
der, |
310 SkMatrix* invLMatrix, SkScalar* foca
lX) { | 310 SkMatrix* invLMatrix, SkScalar* foca
lX) { |
311 // Inverse of the current local matrix is passed in then, | 311 // Inverse of the current local matrix is passed in then, |
312 // translate, scale, and rotate such that endCircle is unit circle on x-axis
, | 312 // translate, scale, and rotate such that endCircle is unit circle on x-axis
, |
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362 return conicalType; | 362 return conicalType; |
363 } | 363 } |
364 | 364 |
365 ////////////////////////////////////////////////////////////////////////////// | 365 ////////////////////////////////////////////////////////////////////////////// |
366 | 366 |
367 class GLFocalOutside2PtConicalEffect; | 367 class GLFocalOutside2PtConicalEffect; |
368 | 368 |
369 class FocalOutside2PtConicalEffect : public GrGradientEffect { | 369 class FocalOutside2PtConicalEffect : public GrGradientEffect { |
370 public: | 370 public: |
371 | 371 |
372 static GrEffect* Create(GrContext* ctx, | 372 static GrFragmentProcessor* Create(GrContext* ctx, |
373 const SkTwoPointConicalGradient& shader, | 373 const SkTwoPointConicalGradient& shader, |
374 const SkMatrix& matrix, | 374 const SkMatrix& matrix, |
375 SkShader::TileMode tm, | 375 SkShader::TileMode tm, |
376 SkScalar focalX) { | 376 SkScalar focalX) { |
377 return SkNEW_ARGS(FocalOutside2PtConicalEffect, (ctx, shader, matrix, tm
, focalX)); | 377 return SkNEW_ARGS(FocalOutside2PtConicalEffect, (ctx, shader, matrix, tm
, focalX)); |
378 } | 378 } |
379 | 379 |
380 virtual ~FocalOutside2PtConicalEffect() { } | 380 virtual ~FocalOutside2PtConicalEffect() { } |
381 | 381 |
382 static const char* Name() { return "Two-Point Conical Gradient Focal Outside
"; } | 382 static const char* Name() { return "Two-Point Conical Gradient Focal Outside
"; } |
383 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 383 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
384 | 384 |
385 bool isFlipped() const { return fIsFlipped; } | 385 bool isFlipped() const { return fIsFlipped; } |
386 SkScalar focal() const { return fFocalX; } | 386 SkScalar focal() const { return fFocalX; } |
387 | 387 |
388 typedef GLFocalOutside2PtConicalEffect GLEffect; | 388 typedef GLFocalOutside2PtConicalEffect GLProcessor; |
389 | 389 |
390 private: | 390 private: |
391 virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE { | 391 virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE { |
392 const FocalOutside2PtConicalEffect& s = sBase.cast<FocalOutside2PtConica
lEffect>(); | 392 const FocalOutside2PtConicalEffect& s = sBase.cast<FocalOutside2PtConica
lEffect>(); |
393 return (INHERITED::onIsEqual(sBase) && | 393 return (INHERITED::onIsEqual(sBase) && |
394 this->fFocalX == s.fFocalX && | 394 this->fFocalX == s.fFocalX && |
395 this->fIsFlipped == s.fIsFlipped); | 395 this->fIsFlipped == s.fIsFlipped); |
396 } | 396 } |
397 | 397 |
398 FocalOutside2PtConicalEffect(GrContext* ctx, | 398 FocalOutside2PtConicalEffect(GrContext* ctx, |
399 const SkTwoPointConicalGradient& shader, | 399 const SkTwoPointConicalGradient& shader, |
400 const SkMatrix& matrix, | 400 const SkMatrix& matrix, |
401 SkShader::TileMode tm, | 401 SkShader::TileMode tm, |
402 SkScalar focalX) | 402 SkScalar focalX) |
403 : INHERITED(ctx, shader, matrix, tm), fFocalX(focalX), fIsFlipped(shader.isF
lippedGrad()) {} | 403 : INHERITED(ctx, shader, matrix, tm), fFocalX(focalX), fIsFlipped(shader.isF
lippedGrad()) {} |
404 | 404 |
405 GR_DECLARE_EFFECT_TEST; | 405 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
406 | 406 |
407 SkScalar fFocalX; | 407 SkScalar fFocalX; |
408 bool fIsFlipped; | 408 bool fIsFlipped; |
409 | 409 |
410 typedef GrGradientEffect INHERITED; | 410 typedef GrGradientEffect INHERITED; |
411 }; | 411 }; |
412 | 412 |
413 class GLFocalOutside2PtConicalEffect : public GrGLGradientEffect { | 413 class GLFocalOutside2PtConicalEffect : public GrGLGradientEffect { |
414 public: | 414 public: |
415 GLFocalOutside2PtConicalEffect(const GrBackendEffectFactory& factory, const
GrEffect&); | 415 GLFocalOutside2PtConicalEffect(const GrBackendProcessorFactory& factory, con
st GrProcessor&); |
416 virtual ~GLFocalOutside2PtConicalEffect() { } | 416 virtual ~GLFocalOutside2PtConicalEffect() { } |
417 | 417 |
418 virtual void emitCode(GrGLProgramBuilder*, | 418 virtual void emitCode(GrGLProgramBuilder*, |
419 const GrEffect&, | 419 const GrFragmentProcessor&, |
420 const GrEffectKey&, | 420 const GrProcessorKey&, |
421 const char* outputColor, | 421 const char* outputColor, |
422 const char* inputColor, | 422 const char* inputColor, |
423 const TransformedCoordsArray&, | 423 const TransformedCoordsArray&, |
424 const TextureSamplerArray&) SK_OVERRIDE; | 424 const TextureSamplerArray&) SK_OVERRIDE; |
425 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; | 425 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
426 | 426 |
427 static void GenKey(const GrEffect&, const GrGLCaps& caps, GrEffectKeyBuilder
* b); | 427 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
428 | 428 |
429 protected: | 429 protected: |
430 UniformHandle fParamUni; | 430 UniformHandle fParamUni; |
431 | 431 |
432 const char* fVSVaryingName; | 432 const char* fVSVaryingName; |
433 const char* fFSVaryingName; | 433 const char* fFSVaryingName; |
434 | 434 |
435 bool fIsFlipped; | 435 bool fIsFlipped; |
436 | 436 |
437 // @{ | 437 // @{ |
438 /// Values last uploaded as uniforms | 438 /// Values last uploaded as uniforms |
439 | 439 |
440 SkScalar fCachedFocal; | 440 SkScalar fCachedFocal; |
441 | 441 |
442 // @} | 442 // @} |
443 | 443 |
444 private: | 444 private: |
445 typedef GrGLGradientEffect INHERITED; | 445 typedef GrGLGradientEffect INHERITED; |
446 | 446 |
447 }; | 447 }; |
448 | 448 |
449 const GrBackendEffectFactory& FocalOutside2PtConicalEffect::getFactory() const { | 449 const GrBackendFragmentProcessorFactory& FocalOutside2PtConicalEffect::getFactor
y() const { |
450 return GrTBackendEffectFactory<FocalOutside2PtConicalEffect>::getInstance(); | 450 return GrTBackendFragmentProcessorFactory<FocalOutside2PtConicalEffect>::get
Instance(); |
451 } | 451 } |
452 | 452 |
453 GR_DEFINE_EFFECT_TEST(FocalOutside2PtConicalEffect); | 453 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(FocalOutside2PtConicalEffect); |
454 | 454 |
455 GrEffect* FocalOutside2PtConicalEffect::TestCreate(SkRandom* random, | 455 GrFragmentProcessor* FocalOutside2PtConicalEffect::TestCreate(SkRandom* random, |
456 GrContext* context, | 456 GrContext* context
, |
457 const GrDrawTargetCaps&, | 457 const GrDrawTarget
Caps&, |
458 GrTexture**) { | 458 GrTexture**) { |
459 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; | 459 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; |
460 SkScalar radius1 = 0.f; | 460 SkScalar radius1 = 0.f; |
461 SkPoint center2; | 461 SkPoint center2; |
462 SkScalar radius2; | 462 SkScalar radius2; |
463 do { | 463 do { |
464 center2.set(random->nextUScalar1(), random->nextUScalar1()); | 464 center2.set(random->nextUScalar1(), random->nextUScalar1()); |
465 // Need to make sure the centers are not the same or else focal point wi
ll be inside | 465 // Need to make sure the centers are not the same or else focal point wi
ll be inside |
466 } while (center1 == center2); | 466 } while (center1 == center2); |
467 SkPoint diff = center2 - center1; | 467 SkPoint diff = center2 - center1; |
468 SkScalar diffLen = diff.length(); | 468 SkScalar diffLen = diff.length(); |
469 // Below makes sure that the focal point is not contained within circle
two | 469 // Below makes sure that the focal point is not contained within circle
two |
470 radius2 = random->nextRangeF(0.f, diffLen); | 470 radius2 = random->nextRangeF(0.f, diffLen); |
471 | 471 |
472 SkColor colors[kMaxRandomGradientColors]; | 472 SkColor colors[kMaxRandomGradientColors]; |
473 SkScalar stopsArray[kMaxRandomGradientColors]; | 473 SkScalar stopsArray[kMaxRandomGradientColors]; |
474 SkScalar* stops = stopsArray; | 474 SkScalar* stops = stopsArray; |
475 SkShader::TileMode tm; | 475 SkShader::TileMode tm; |
476 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 476 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
477 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, | 477 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, |
478 center
2, radius2, | 478 center
2, radius2, |
479 colors
, stops, colorCount, | 479 colors
, stops, colorCount, |
480 tm)); | 480 tm)); |
481 SkPaint paint; | 481 SkPaint paint; |
482 GrEffect* effect; | 482 GrFragmentProcessor* effect; |
483 GrColor paintColor; | 483 GrColor paintColor; |
484 SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effec
t)); | 484 SkAssertResult(shader->asFragmentProcessor(context, paint, NULL, &paintColor
, &effect)); |
485 return effect; | 485 return effect; |
486 } | 486 } |
487 | 487 |
488 GLFocalOutside2PtConicalEffect::GLFocalOutside2PtConicalEffect(const GrBackendEf
fectFactory& factory, | 488 GLFocalOutside2PtConicalEffect::GLFocalOutside2PtConicalEffect(const GrBackendPr
ocessorFactory& factory, |
489 const GrEffect& e
ffect) | 489 const GrProcessor
& processor) |
490 : INHERITED(factory) | 490 : INHERITED(factory) |
491 , fVSVaryingName(NULL) | 491 , fVSVaryingName(NULL) |
492 , fFSVaryingName(NULL) | 492 , fFSVaryingName(NULL) |
493 , fCachedFocal(SK_ScalarMax) { | 493 , fCachedFocal(SK_ScalarMax) { |
494 const FocalOutside2PtConicalEffect& data = effect.cast<FocalOutside2PtConica
lEffect>(); | 494 const FocalOutside2PtConicalEffect& data = processor.cast<FocalOutside2PtCon
icalEffect>(); |
495 fIsFlipped = data.isFlipped(); | 495 fIsFlipped = data.isFlipped(); |
496 } | 496 } |
497 | 497 |
498 void GLFocalOutside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, | 498 void GLFocalOutside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, |
499 const GrEffect&, | 499 const GrFragmentProcessor&, |
500 const GrEffectKey& key, | 500 const GrProcessorKey& key, |
501 const char* outputColor, | 501 const char* outputColor, |
502 const char* inputColor, | 502 const char* inputColor, |
503 const TransformedCoordsArray& coor
ds, | 503 const TransformedCoordsArray& coor
ds, |
504 const TextureSamplerArray& sampler
s) { | 504 const TextureSamplerArray& sampler
s) { |
505 uint32_t baseKey = key.get32(0); | 505 uint32_t baseKey = key.get32(0); |
506 this->emitUniforms(builder, baseKey); | 506 this->emitUniforms(builder, baseKey); |
507 fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibilit
y, | 507 fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibilit
y, |
508 kFloat_GrSLType, "Conical2FSParams", 2)
; | 508 kFloat_GrSLType, "Conical2FSParams", 2)
; |
509 SkString tName("t"); | 509 SkString tName("t"); |
510 SkString p0; // focalX | 510 SkString p0; // focalX |
(...skipping 27 matching lines...) Expand all Loading... |
538 coords2D, p0.c_str()); | 538 coords2D, p0.c_str()); |
539 } | 539 } |
540 | 540 |
541 fsBuilder->codeAppendf("\tif (%s >= 0.0 && d >= 0.0) {\n", tName.c_str()); | 541 fsBuilder->codeAppendf("\tif (%s >= 0.0 && d >= 0.0) {\n", tName.c_str()); |
542 fsBuilder->codeAppend("\t\t"); | 542 fsBuilder->codeAppend("\t\t"); |
543 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); | 543 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); |
544 fsBuilder->codeAppend("\t}\n"); | 544 fsBuilder->codeAppend("\t}\n"); |
545 } | 545 } |
546 | 546 |
547 void GLFocalOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman
, | 547 void GLFocalOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman
, |
548 const GrEffect& effect) { | 548 const GrProcessor& processor) { |
549 INHERITED::setData(pdman, effect); | 549 INHERITED::setData(pdman, processor); |
550 const FocalOutside2PtConicalEffect& data = effect.cast<FocalOutside2PtConica
lEffect>(); | 550 const FocalOutside2PtConicalEffect& data = processor.cast<FocalOutside2PtCon
icalEffect>(); |
551 SkASSERT(data.isFlipped() == fIsFlipped); | 551 SkASSERT(data.isFlipped() == fIsFlipped); |
552 SkScalar focal = data.focal(); | 552 SkScalar focal = data.focal(); |
553 | 553 |
554 if (fCachedFocal != focal) { | 554 if (fCachedFocal != focal) { |
555 SkScalar oneMinus2F = 1.f - SkScalarMul(focal, focal); | 555 SkScalar oneMinus2F = 1.f - SkScalarMul(focal, focal); |
556 | 556 |
557 float values[2] = { | 557 float values[2] = { |
558 SkScalarToFloat(focal), | 558 SkScalarToFloat(focal), |
559 SkScalarToFloat(oneMinus2F), | 559 SkScalarToFloat(oneMinus2F), |
560 }; | 560 }; |
561 | 561 |
562 pdman.set1fv(fParamUni, 2, values); | 562 pdman.set1fv(fParamUni, 2, values); |
563 fCachedFocal = focal; | 563 fCachedFocal = focal; |
564 } | 564 } |
565 } | 565 } |
566 | 566 |
567 void GLFocalOutside2PtConicalEffect::GenKey(const GrEffect& effect, | 567 void GLFocalOutside2PtConicalEffect::GenKey(const GrProcessor& processor, |
568 const GrGLCaps&, GrEffectKeyBuilder*
b) { | 568 const GrGLCaps&, GrProcessorKeyBuild
er* b) { |
569 uint32_t* key = b->add32n(2); | 569 uint32_t* key = b->add32n(2); |
570 key[0] = GenBaseGradientKey(effect); | 570 key[0] = GenBaseGradientKey(processor); |
571 key[1] = effect.cast<FocalOutside2PtConicalEffect>().isFlipped(); | 571 key[1] = processor.cast<FocalOutside2PtConicalEffect>().isFlipped(); |
572 } | 572 } |
573 | 573 |
574 ////////////////////////////////////////////////////////////////////////////// | 574 ////////////////////////////////////////////////////////////////////////////// |
575 | 575 |
576 class GLFocalInside2PtConicalEffect; | 576 class GLFocalInside2PtConicalEffect; |
577 | 577 |
578 class FocalInside2PtConicalEffect : public GrGradientEffect { | 578 class FocalInside2PtConicalEffect : public GrGradientEffect { |
579 public: | 579 public: |
580 | 580 |
581 static GrEffect* Create(GrContext* ctx, | 581 static GrFragmentProcessor* Create(GrContext* ctx, |
582 const SkTwoPointConicalGradient& shader, | 582 const SkTwoPointConicalGradient& shader, |
583 const SkMatrix& matrix, | 583 const SkMatrix& matrix, |
584 SkShader::TileMode tm, | 584 SkShader::TileMode tm, |
585 SkScalar focalX) { | 585 SkScalar focalX) { |
586 return SkNEW_ARGS(FocalInside2PtConicalEffect, (ctx, shader, matrix, tm,
focalX)); | 586 return SkNEW_ARGS(FocalInside2PtConicalEffect, (ctx, shader, matrix, tm,
focalX)); |
587 } | 587 } |
588 | 588 |
589 virtual ~FocalInside2PtConicalEffect() {} | 589 virtual ~FocalInside2PtConicalEffect() {} |
590 | 590 |
591 static const char* Name() { return "Two-Point Conical Gradient Focal Inside"
; } | 591 static const char* Name() { return "Two-Point Conical Gradient Focal Inside"
; } |
592 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 592 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
593 | 593 |
594 SkScalar focal() const { return fFocalX; } | 594 SkScalar focal() const { return fFocalX; } |
595 | 595 |
596 typedef GLFocalInside2PtConicalEffect GLEffect; | 596 typedef GLFocalInside2PtConicalEffect GLProcessor; |
597 | 597 |
598 private: | 598 private: |
599 virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE { | 599 virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE { |
600 const FocalInside2PtConicalEffect& s = sBase.cast<FocalInside2PtConicalE
ffect>(); | 600 const FocalInside2PtConicalEffect& s = sBase.cast<FocalInside2PtConicalE
ffect>(); |
601 return (INHERITED::onIsEqual(sBase) && | 601 return (INHERITED::onIsEqual(sBase) && |
602 this->fFocalX == s.fFocalX); | 602 this->fFocalX == s.fFocalX); |
603 } | 603 } |
604 | 604 |
605 FocalInside2PtConicalEffect(GrContext* ctx, | 605 FocalInside2PtConicalEffect(GrContext* ctx, |
606 const SkTwoPointConicalGradient& shader, | 606 const SkTwoPointConicalGradient& shader, |
607 const SkMatrix& matrix, | 607 const SkMatrix& matrix, |
608 SkShader::TileMode tm, | 608 SkShader::TileMode tm, |
609 SkScalar focalX) | 609 SkScalar focalX) |
610 : INHERITED(ctx, shader, matrix, tm), fFocalX(focalX) {} | 610 : INHERITED(ctx, shader, matrix, tm), fFocalX(focalX) {} |
611 | 611 |
612 GR_DECLARE_EFFECT_TEST; | 612 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
613 | 613 |
614 SkScalar fFocalX; | 614 SkScalar fFocalX; |
615 | 615 |
616 typedef GrGradientEffect INHERITED; | 616 typedef GrGradientEffect INHERITED; |
617 }; | 617 }; |
618 | 618 |
619 class GLFocalInside2PtConicalEffect : public GrGLGradientEffect { | 619 class GLFocalInside2PtConicalEffect : public GrGLGradientEffect { |
620 public: | 620 public: |
621 GLFocalInside2PtConicalEffect(const GrBackendEffectFactory& factory, const G
rEffect&); | 621 GLFocalInside2PtConicalEffect(const GrBackendProcessorFactory& factory, cons
t GrProcessor&); |
622 virtual ~GLFocalInside2PtConicalEffect() {} | 622 virtual ~GLFocalInside2PtConicalEffect() {} |
623 | 623 |
624 virtual void emitCode(GrGLProgramBuilder*, | 624 virtual void emitCode(GrGLProgramBuilder*, |
625 const GrEffect&, | 625 const GrFragmentProcessor&, |
626 const GrEffectKey&, | 626 const GrProcessorKey&, |
627 const char* outputColor, | 627 const char* outputColor, |
628 const char* inputColor, | 628 const char* inputColor, |
629 const TransformedCoordsArray&, | 629 const TransformedCoordsArray&, |
630 const TextureSamplerArray&) SK_OVERRIDE; | 630 const TextureSamplerArray&) SK_OVERRIDE; |
631 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; | 631 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
632 | 632 |
633 static void GenKey(const GrEffect&, const GrGLCaps& caps, GrEffectKeyBuilder
* b); | 633 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
634 | 634 |
635 protected: | 635 protected: |
636 UniformHandle fFocalUni; | 636 UniformHandle fFocalUni; |
637 | 637 |
638 const char* fVSVaryingName; | 638 const char* fVSVaryingName; |
639 const char* fFSVaryingName; | 639 const char* fFSVaryingName; |
640 | 640 |
641 // @{ | 641 // @{ |
642 /// Values last uploaded as uniforms | 642 /// Values last uploaded as uniforms |
643 | 643 |
644 SkScalar fCachedFocal; | 644 SkScalar fCachedFocal; |
645 | 645 |
646 // @} | 646 // @} |
647 | 647 |
648 private: | 648 private: |
649 typedef GrGLGradientEffect INHERITED; | 649 typedef GrGLGradientEffect INHERITED; |
650 | 650 |
651 }; | 651 }; |
652 | 652 |
653 const GrBackendEffectFactory& FocalInside2PtConicalEffect::getFactory() const { | 653 const GrBackendFragmentProcessorFactory& FocalInside2PtConicalEffect::getFactory
() const { |
654 return GrTBackendEffectFactory<FocalInside2PtConicalEffect>::getInstance(); | 654 return GrTBackendFragmentProcessorFactory<FocalInside2PtConicalEffect>::getI
nstance(); |
655 } | 655 } |
656 | 656 |
657 GR_DEFINE_EFFECT_TEST(FocalInside2PtConicalEffect); | 657 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(FocalInside2PtConicalEffect); |
658 | 658 |
659 GrEffect* FocalInside2PtConicalEffect::TestCreate(SkRandom* random, | 659 GrFragmentProcessor* FocalInside2PtConicalEffect::TestCreate(SkRandom* random, |
660 GrContext* context, | 660 GrContext* context, |
661 const GrDrawTargetCaps&, | 661 const GrDrawTargetC
aps&, |
662 GrTexture**) { | 662 GrTexture**) { |
663 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; | 663 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; |
664 SkScalar radius1 = 0.f; | 664 SkScalar radius1 = 0.f; |
665 SkPoint center2; | 665 SkPoint center2; |
666 SkScalar radius2; | 666 SkScalar radius2; |
667 do { | 667 do { |
668 center2.set(random->nextUScalar1(), random->nextUScalar1()); | 668 center2.set(random->nextUScalar1(), random->nextUScalar1()); |
669 // Below makes sure radius2 is larger enouch such that the focal point | 669 // Below makes sure radius2 is larger enouch such that the focal point |
670 // is inside the end circle | 670 // is inside the end circle |
671 SkScalar increase = random->nextUScalar1(); | 671 SkScalar increase = random->nextUScalar1(); |
672 SkPoint diff = center2 - center1; | 672 SkPoint diff = center2 - center1; |
673 SkScalar diffLen = diff.length(); | 673 SkScalar diffLen = diff.length(); |
674 radius2 = diffLen + increase; | 674 radius2 = diffLen + increase; |
675 // If the circles are identical the factory will give us an empty shader
. | 675 // If the circles are identical the factory will give us an empty shader
. |
676 } while (radius1 == radius2 && center1 == center2); | 676 } while (radius1 == radius2 && center1 == center2); |
677 | 677 |
678 SkColor colors[kMaxRandomGradientColors]; | 678 SkColor colors[kMaxRandomGradientColors]; |
679 SkScalar stopsArray[kMaxRandomGradientColors]; | 679 SkScalar stopsArray[kMaxRandomGradientColors]; |
680 SkScalar* stops = stopsArray; | 680 SkScalar* stops = stopsArray; |
681 SkShader::TileMode tm; | 681 SkShader::TileMode tm; |
682 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 682 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
683 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, | 683 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, |
684 center
2, radius2, | 684 center
2, radius2, |
685 colors
, stops, colorCount, | 685 colors
, stops, colorCount, |
686 tm)); | 686 tm)); |
687 SkPaint paint; | 687 SkPaint paint; |
688 GrColor paintColor; | 688 GrColor paintColor; |
689 GrEffect* effect; | 689 GrFragmentProcessor* fp; |
690 SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effec
t)); | 690 SkAssertResult(shader->asFragmentProcessor(context, paint, NULL, &paintColor
, &fp)); |
691 return effect; | 691 return fp; |
692 } | 692 } |
693 | 693 |
694 GLFocalInside2PtConicalEffect::GLFocalInside2PtConicalEffect(const GrBackendEffe
ctFactory& factory, | 694 GLFocalInside2PtConicalEffect::GLFocalInside2PtConicalEffect(const GrBackendProc
essorFactory& factory, |
695 const GrEffect& eff
ect) | 695 const GrProcessor&) |
696 : INHERITED(factory) | 696 : INHERITED(factory) |
697 , fVSVaryingName(NULL) | 697 , fVSVaryingName(NULL) |
698 , fFSVaryingName(NULL) | 698 , fFSVaryingName(NULL) |
699 , fCachedFocal(SK_ScalarMax) {} | 699 , fCachedFocal(SK_ScalarMax) {} |
700 | 700 |
701 void GLFocalInside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, | 701 void GLFocalInside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, |
702 const GrEffect&, | 702 const GrFragmentProcessor&, |
703 const GrEffectKey& key, | 703 const GrProcessorKey& key, |
704 const char* outputColor, | 704 const char* outputColor, |
705 const char* inputColor, | 705 const char* inputColor, |
706 const TransformedCoordsArray& coord
s, | 706 const TransformedCoordsArray& coord
s, |
707 const TextureSamplerArray& samplers
) { | 707 const TextureSamplerArray& samplers
) { |
708 uint32_t baseKey = key.get32(0); | 708 uint32_t baseKey = key.get32(0); |
709 this->emitUniforms(builder, baseKey); | 709 this->emitUniforms(builder, baseKey); |
710 fFocalUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 710 fFocalUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
711 kFloat_GrSLType, "Conical2FSParams"); | 711 kFloat_GrSLType, "Conical2FSParams"); |
712 SkString tName("t"); | 712 SkString tName("t"); |
713 | 713 |
714 // this is the distance along x-axis from the end center to focal point in | 714 // this is the distance along x-axis from the end center to focal point in |
715 // transformed coordinates | 715 // transformed coordinates |
716 GrGLShaderVar focal = builder->getUniformVariable(fFocalUni); | 716 GrGLShaderVar focal = builder->getUniformVariable(fFocalUni); |
717 | 717 |
718 // if we have a vec3 from being in perspective, convert it to a vec2 first | 718 // if we have a vec3 from being in perspective, convert it to a vec2 first |
719 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 719 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
720 SkString coords2DString = fsBuilder->ensureFSCoords2D(coords, 0); | 720 SkString coords2DString = fsBuilder->ensureFSCoords2D(coords, 0); |
721 const char* coords2D = coords2DString.c_str(); | 721 const char* coords2D = coords2DString.c_str(); |
722 | 722 |
723 // t = p.x * focalX + length(p) | 723 // t = p.x * focalX + length(p) |
724 fsBuilder->codeAppendf("\tfloat %s = %s.x * %s + length(%s);\n", tName.c_st
r(), | 724 fsBuilder->codeAppendf("\tfloat %s = %s.x * %s + length(%s);\n", tName.c_st
r(), |
725 coords2D, focal.c_str(), coords2D); | 725 coords2D, focal.c_str(), coords2D); |
726 | 726 |
727 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); | 727 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); |
728 } | 728 } |
729 | 729 |
730 void GLFocalInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman, | 730 void GLFocalInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman, |
731 const GrEffect& effect) { | 731 const GrProcessor& processor) { |
732 INHERITED::setData(pdman, effect); | 732 INHERITED::setData(pdman, processor); |
733 const FocalInside2PtConicalEffect& data = effect.cast<FocalInside2PtConicalE
ffect>(); | 733 const FocalInside2PtConicalEffect& data = processor.cast<FocalInside2PtConic
alEffect>(); |
734 SkScalar focal = data.focal(); | 734 SkScalar focal = data.focal(); |
735 | 735 |
736 if (fCachedFocal != focal) { | 736 if (fCachedFocal != focal) { |
737 pdman.set1f(fFocalUni, SkScalarToFloat(focal)); | 737 pdman.set1f(fFocalUni, SkScalarToFloat(focal)); |
738 fCachedFocal = focal; | 738 fCachedFocal = focal; |
739 } | 739 } |
740 } | 740 } |
741 | 741 |
742 void GLFocalInside2PtConicalEffect::GenKey(const GrEffect& effect, | 742 void GLFocalInside2PtConicalEffect::GenKey(const GrProcessor& processor, |
743 const GrGLCaps&, GrEffectKeyBuilder*
b) { | 743 const GrGLCaps&, GrProcessorKeyBuilde
r* b) { |
744 b->add32(GenBaseGradientKey(effect)); | 744 b->add32(GenBaseGradientKey(processor)); |
745 } | 745 } |
746 | 746 |
747 ////////////////////////////////////////////////////////////////////////////// | 747 ////////////////////////////////////////////////////////////////////////////// |
748 // Circle Conical Gradients | 748 // Circle Conical Gradients |
749 ////////////////////////////////////////////////////////////////////////////// | 749 ////////////////////////////////////////////////////////////////////////////// |
750 | 750 |
751 struct CircleConicalInfo { | 751 struct CircleConicalInfo { |
752 SkPoint fCenterEnd; | 752 SkPoint fCenterEnd; |
753 SkScalar fA; | 753 SkScalar fA; |
754 SkScalar fB; | 754 SkScalar fB; |
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
806 return kInside_ConicalType; | 806 return kInside_ConicalType; |
807 } | 807 } |
808 return kOutside_ConicalType; | 808 return kOutside_ConicalType; |
809 } | 809 } |
810 | 810 |
811 class GLCircleInside2PtConicalEffect; | 811 class GLCircleInside2PtConicalEffect; |
812 | 812 |
813 class CircleInside2PtConicalEffect : public GrGradientEffect { | 813 class CircleInside2PtConicalEffect : public GrGradientEffect { |
814 public: | 814 public: |
815 | 815 |
816 static GrEffect* Create(GrContext* ctx, | 816 static GrFragmentProcessor* Create(GrContext* ctx, |
817 const SkTwoPointConicalGradient& shader, | 817 const SkTwoPointConicalGradient& shader, |
818 const SkMatrix& matrix, | 818 const SkMatrix& matrix, |
819 SkShader::TileMode tm, | 819 SkShader::TileMode tm, |
820 const CircleConicalInfo& info) { | 820 const CircleConicalInfo& info) { |
821 return SkNEW_ARGS(CircleInside2PtConicalEffect, (ctx, shader, matrix, tm
, info)); | 821 return SkNEW_ARGS(CircleInside2PtConicalEffect, (ctx, shader, matrix, tm
, info)); |
822 } | 822 } |
823 | 823 |
824 virtual ~CircleInside2PtConicalEffect() {} | 824 virtual ~CircleInside2PtConicalEffect() {} |
825 | 825 |
826 static const char* Name() { return "Two-Point Conical Gradient Inside"; } | 826 static const char* Name() { return "Two-Point Conical Gradient Inside"; } |
827 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 827 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
828 | 828 |
829 SkScalar centerX() const { return fInfo.fCenterEnd.fX; } | 829 SkScalar centerX() const { return fInfo.fCenterEnd.fX; } |
830 SkScalar centerY() const { return fInfo.fCenterEnd.fY; } | 830 SkScalar centerY() const { return fInfo.fCenterEnd.fY; } |
831 SkScalar A() const { return fInfo.fA; } | 831 SkScalar A() const { return fInfo.fA; } |
832 SkScalar B() const { return fInfo.fB; } | 832 SkScalar B() const { return fInfo.fB; } |
833 SkScalar C() const { return fInfo.fC; } | 833 SkScalar C() const { return fInfo.fC; } |
834 | 834 |
835 typedef GLCircleInside2PtConicalEffect GLEffect; | 835 typedef GLCircleInside2PtConicalEffect GLProcessor; |
836 | 836 |
837 private: | 837 private: |
838 virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE { | 838 virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE { |
839 const CircleInside2PtConicalEffect& s = sBase.cast<CircleInside2PtConica
lEffect>(); | 839 const CircleInside2PtConicalEffect& s = sBase.cast<CircleInside2PtConica
lEffect>(); |
840 return (INHERITED::onIsEqual(sBase) && | 840 return (INHERITED::onIsEqual(sBase) && |
841 this->fInfo.fCenterEnd == s.fInfo.fCenterEnd && | 841 this->fInfo.fCenterEnd == s.fInfo.fCenterEnd && |
842 this->fInfo.fA == s.fInfo.fA && | 842 this->fInfo.fA == s.fInfo.fA && |
843 this->fInfo.fB == s.fInfo.fB && | 843 this->fInfo.fB == s.fInfo.fB && |
844 this->fInfo.fC == s.fInfo.fC); | 844 this->fInfo.fC == s.fInfo.fC); |
845 } | 845 } |
846 | 846 |
847 CircleInside2PtConicalEffect(GrContext* ctx, | 847 CircleInside2PtConicalEffect(GrContext* ctx, |
848 const SkTwoPointConicalGradient& shader, | 848 const SkTwoPointConicalGradient& shader, |
849 const SkMatrix& matrix, | 849 const SkMatrix& matrix, |
850 SkShader::TileMode tm, | 850 SkShader::TileMode tm, |
851 const CircleConicalInfo& info) | 851 const CircleConicalInfo& info) |
852 : INHERITED(ctx, shader, matrix, tm), fInfo(info) {} | 852 : INHERITED(ctx, shader, matrix, tm), fInfo(info) {} |
853 | 853 |
854 GR_DECLARE_EFFECT_TEST; | 854 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
855 | 855 |
856 const CircleConicalInfo fInfo; | 856 const CircleConicalInfo fInfo; |
857 | 857 |
858 typedef GrGradientEffect INHERITED; | 858 typedef GrGradientEffect INHERITED; |
859 }; | 859 }; |
860 | 860 |
861 class GLCircleInside2PtConicalEffect : public GrGLGradientEffect { | 861 class GLCircleInside2PtConicalEffect : public GrGLGradientEffect { |
862 public: | 862 public: |
863 GLCircleInside2PtConicalEffect(const GrBackendEffectFactory& factory, const
GrEffect&); | 863 GLCircleInside2PtConicalEffect(const GrBackendProcessorFactory& factory, con
st GrProcessor&); |
864 virtual ~GLCircleInside2PtConicalEffect() {} | 864 virtual ~GLCircleInside2PtConicalEffect() {} |
865 | 865 |
866 virtual void emitCode(GrGLProgramBuilder*, | 866 virtual void emitCode(GrGLProgramBuilder*, |
867 const GrEffect&, | 867 const GrFragmentProcessor&, |
868 const GrEffectKey&, | 868 const GrProcessorKey&, |
869 const char* outputColor, | 869 const char* outputColor, |
870 const char* inputColor, | 870 const char* inputColor, |
871 const TransformedCoordsArray&, | 871 const TransformedCoordsArray&, |
872 const TextureSamplerArray&) SK_OVERRIDE; | 872 const TextureSamplerArray&) SK_OVERRIDE; |
873 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; | 873 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
874 | 874 |
875 static void GenKey(const GrEffect&, const GrGLCaps& caps, GrEffectKeyBuilder
* b); | 875 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
876 | 876 |
877 protected: | 877 protected: |
878 UniformHandle fCenterUni; | 878 UniformHandle fCenterUni; |
879 UniformHandle fParamUni; | 879 UniformHandle fParamUni; |
880 | 880 |
881 const char* fVSVaryingName; | 881 const char* fVSVaryingName; |
882 const char* fFSVaryingName; | 882 const char* fFSVaryingName; |
883 | 883 |
884 // @{ | 884 // @{ |
885 /// Values last uploaded as uniforms | 885 /// Values last uploaded as uniforms |
886 | 886 |
887 SkScalar fCachedCenterX; | 887 SkScalar fCachedCenterX; |
888 SkScalar fCachedCenterY; | 888 SkScalar fCachedCenterY; |
889 SkScalar fCachedA; | 889 SkScalar fCachedA; |
890 SkScalar fCachedB; | 890 SkScalar fCachedB; |
891 SkScalar fCachedC; | 891 SkScalar fCachedC; |
892 | 892 |
893 // @} | 893 // @} |
894 | 894 |
895 private: | 895 private: |
896 typedef GrGLGradientEffect INHERITED; | 896 typedef GrGLGradientEffect INHERITED; |
897 | 897 |
898 }; | 898 }; |
899 | 899 |
900 const GrBackendEffectFactory& CircleInside2PtConicalEffect::getFactory() const { | 900 const GrBackendFragmentProcessorFactory& CircleInside2PtConicalEffect::getFactor
y() const { |
901 return GrTBackendEffectFactory<CircleInside2PtConicalEffect>::getInstance(); | 901 return GrTBackendFragmentProcessorFactory<CircleInside2PtConicalEffect>::get
Instance(); |
902 } | 902 } |
903 | 903 |
904 GR_DEFINE_EFFECT_TEST(CircleInside2PtConicalEffect); | 904 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(CircleInside2PtConicalEffect); |
905 | 905 |
906 GrEffect* CircleInside2PtConicalEffect::TestCreate(SkRandom* random, | 906 GrFragmentProcessor* CircleInside2PtConicalEffect::TestCreate(SkRandom* random, |
907 GrContext* context, | 907 GrContext* context
, |
908 const GrDrawTargetCaps&, | 908 const GrDrawTarget
Caps&, |
909 GrTexture**) { | 909 GrTexture**) { |
910 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; | 910 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; |
911 SkScalar radius1 = random->nextUScalar1() + 0.0001f; // make sure radius1 !=
0 | 911 SkScalar radius1 = random->nextUScalar1() + 0.0001f; // make sure radius1 !=
0 |
912 SkPoint center2; | 912 SkPoint center2; |
913 SkScalar radius2; | 913 SkScalar radius2; |
914 do { | 914 do { |
915 center2.set(random->nextUScalar1(), random->nextUScalar1()); | 915 center2.set(random->nextUScalar1(), random->nextUScalar1()); |
916 // Below makes sure that circle one is contained within circle two | 916 // Below makes sure that circle one is contained within circle two |
917 SkScalar increase = random->nextUScalar1(); | 917 SkScalar increase = random->nextUScalar1(); |
918 SkPoint diff = center2 - center1; | 918 SkPoint diff = center2 - center1; |
919 SkScalar diffLen = diff.length(); | 919 SkScalar diffLen = diff.length(); |
920 radius2 = radius1 + diffLen + increase; | 920 radius2 = radius1 + diffLen + increase; |
921 // If the circles are identical the factory will give us an empty shader
. | 921 // If the circles are identical the factory will give us an empty shader
. |
922 } while (radius1 == radius2 && center1 == center2); | 922 } while (radius1 == radius2 && center1 == center2); |
923 | 923 |
924 SkColor colors[kMaxRandomGradientColors]; | 924 SkColor colors[kMaxRandomGradientColors]; |
925 SkScalar stopsArray[kMaxRandomGradientColors]; | 925 SkScalar stopsArray[kMaxRandomGradientColors]; |
926 SkScalar* stops = stopsArray; | 926 SkScalar* stops = stopsArray; |
927 SkShader::TileMode tm; | 927 SkShader::TileMode tm; |
928 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 928 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
929 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, | 929 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, |
930 center
2, radius2, | 930 center
2, radius2, |
931 colors
, stops, colorCount, | 931 colors
, stops, colorCount, |
932 tm)); | 932 tm)); |
933 SkPaint paint; | 933 SkPaint paint; |
934 GrColor paintColor; | 934 GrColor paintColor; |
935 GrEffect* effect; | 935 GrFragmentProcessor* processor; |
936 SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effec
t)); | 936 SkAssertResult(shader->asFragmentProcessor(context, paint, NULL, &paintColor
, &processor)); |
937 return effect; | 937 return processor; |
938 } | 938 } |
939 | 939 |
940 GLCircleInside2PtConicalEffect::GLCircleInside2PtConicalEffect(const GrBackendEf
fectFactory& factory, | 940 GLCircleInside2PtConicalEffect::GLCircleInside2PtConicalEffect(const GrBackendPr
ocessorFactory& factory, |
941 const GrEffect& e
ffect) | 941 const GrProcessor
& processor) |
942 : INHERITED(factory) | 942 : INHERITED(factory) |
943 , fVSVaryingName(NULL) | 943 , fVSVaryingName(NULL) |
944 , fFSVaryingName(NULL) | 944 , fFSVaryingName(NULL) |
945 , fCachedCenterX(SK_ScalarMax) | 945 , fCachedCenterX(SK_ScalarMax) |
946 , fCachedCenterY(SK_ScalarMax) | 946 , fCachedCenterY(SK_ScalarMax) |
947 , fCachedA(SK_ScalarMax) | 947 , fCachedA(SK_ScalarMax) |
948 , fCachedB(SK_ScalarMax) | 948 , fCachedB(SK_ScalarMax) |
949 , fCachedC(SK_ScalarMax) {} | 949 , fCachedC(SK_ScalarMax) {} |
950 | 950 |
951 void GLCircleInside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, | 951 void GLCircleInside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, |
952 const GrEffect&, | 952 const GrFragmentProcessor&, |
953 const GrEffectKey& key, | 953 const GrProcessorKey& key, |
954 const char* outputColor, | 954 const char* outputColor, |
955 const char* inputColor, | 955 const char* inputColor, |
956 const TransformedCoordsArray& coor
ds, | 956 const TransformedCoordsArray& coor
ds, |
957 const TextureSamplerArray& sampler
s) { | 957 const TextureSamplerArray& sampler
s) { |
958 uint32_t baseKey = key.get32(0); | 958 uint32_t baseKey = key.get32(0); |
959 this->emitUniforms(builder, baseKey); | 959 this->emitUniforms(builder, baseKey); |
960 fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 960 fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
961 kVec2f_GrSLType, "Conical2FSCenter"); | 961 kVec2f_GrSLType, "Conical2FSCenter"); |
962 fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 962 fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
963 kVec3f_GrSLType, "Conical2FSParams"); | 963 kVec3f_GrSLType, "Conical2FSParams"); |
(...skipping 21 matching lines...) Expand all Loading... |
985 fsBuilder->codeAppendf("\tfloat pDotp = dot(%s, %s);\n", coords2D, coords2D
); | 985 fsBuilder->codeAppendf("\tfloat pDotp = dot(%s, %s);\n", coords2D, coords2D
); |
986 fsBuilder->codeAppendf("\tfloat d = dot(%s, %s) + %s.y;\n", coords2D, cente
r.c_str(), | 986 fsBuilder->codeAppendf("\tfloat d = dot(%s, %s) + %s.y;\n", coords2D, cente
r.c_str(), |
987 params.c_str()); | 987 params.c_str()); |
988 fsBuilder->codeAppendf("\tfloat %s = d + sqrt(d * d - %s.x * pDotp + %s.z);\
n", | 988 fsBuilder->codeAppendf("\tfloat %s = d + sqrt(d * d - %s.x * pDotp + %s.z);\
n", |
989 tName.c_str(), params.c_str(), params.c_str()); | 989 tName.c_str(), params.c_str(), params.c_str()); |
990 | 990 |
991 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); | 991 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); |
992 } | 992 } |
993 | 993 |
994 void GLCircleInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman
, | 994 void GLCircleInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman
, |
995 const GrEffect& effect) { | 995 const GrProcessor& processor) { |
996 INHERITED::setData(pdman, effect); | 996 INHERITED::setData(pdman, processor); |
997 const CircleInside2PtConicalEffect& data = effect.cast<CircleInside2PtConica
lEffect>(); | 997 const CircleInside2PtConicalEffect& data = processor.cast<CircleInside2PtCon
icalEffect>(); |
998 SkScalar centerX = data.centerX(); | 998 SkScalar centerX = data.centerX(); |
999 SkScalar centerY = data.centerY(); | 999 SkScalar centerY = data.centerY(); |
1000 SkScalar A = data.A(); | 1000 SkScalar A = data.A(); |
1001 SkScalar B = data.B(); | 1001 SkScalar B = data.B(); |
1002 SkScalar C = data.C(); | 1002 SkScalar C = data.C(); |
1003 | 1003 |
1004 if (fCachedCenterX != centerX || fCachedCenterY != centerY || | 1004 if (fCachedCenterX != centerX || fCachedCenterY != centerY || |
1005 fCachedA != A || fCachedB != B || fCachedC != C) { | 1005 fCachedA != A || fCachedB != B || fCachedC != C) { |
1006 | 1006 |
1007 pdman.set2f(fCenterUni, SkScalarToFloat(centerX), SkScalarToFloat(center
Y)); | 1007 pdman.set2f(fCenterUni, SkScalarToFloat(centerX), SkScalarToFloat(center
Y)); |
1008 pdman.set3f(fParamUni, SkScalarToFloat(A), SkScalarToFloat(B), SkScalarT
oFloat(C)); | 1008 pdman.set3f(fParamUni, SkScalarToFloat(A), SkScalarToFloat(B), SkScalarT
oFloat(C)); |
1009 | 1009 |
1010 fCachedCenterX = centerX; | 1010 fCachedCenterX = centerX; |
1011 fCachedCenterY = centerY; | 1011 fCachedCenterY = centerY; |
1012 fCachedA = A; | 1012 fCachedA = A; |
1013 fCachedB = B; | 1013 fCachedB = B; |
1014 fCachedC = C; | 1014 fCachedC = C; |
1015 } | 1015 } |
1016 } | 1016 } |
1017 | 1017 |
1018 void GLCircleInside2PtConicalEffect::GenKey(const GrEffect& effect, | 1018 void GLCircleInside2PtConicalEffect::GenKey(const GrProcessor& processor, |
1019 const GrGLCaps&, GrEffectKeyBuilder*
b) { | 1019 const GrGLCaps&, GrProcessorKeyBuild
er* b) { |
1020 b->add32(GenBaseGradientKey(effect)); | 1020 b->add32(GenBaseGradientKey(processor)); |
1021 } | 1021 } |
1022 | 1022 |
1023 ////////////////////////////////////////////////////////////////////////////// | 1023 ////////////////////////////////////////////////////////////////////////////// |
1024 | 1024 |
1025 class GLCircleOutside2PtConicalEffect; | 1025 class GLCircleOutside2PtConicalEffect; |
1026 | 1026 |
1027 class CircleOutside2PtConicalEffect : public GrGradientEffect { | 1027 class CircleOutside2PtConicalEffect : public GrGradientEffect { |
1028 public: | 1028 public: |
1029 | 1029 |
1030 static GrEffect* Create(GrContext* ctx, | 1030 static GrFragmentProcessor* Create(GrContext* ctx, |
1031 const SkTwoPointConicalGradient& shader, | 1031 const SkTwoPointConicalGradient& shader, |
1032 const SkMatrix& matrix, | 1032 const SkMatrix& matrix, |
1033 SkShader::TileMode tm, | 1033 SkShader::TileMode tm, |
1034 const CircleConicalInfo& info) { | 1034 const CircleConicalInfo& info) { |
1035 return SkNEW_ARGS(CircleOutside2PtConicalEffect, (ctx, shader, matrix, t
m, info)); | 1035 return SkNEW_ARGS(CircleOutside2PtConicalEffect, (ctx, shader, matrix, t
m, info)); |
1036 } | 1036 } |
1037 | 1037 |
1038 virtual ~CircleOutside2PtConicalEffect() {} | 1038 virtual ~CircleOutside2PtConicalEffect() {} |
1039 | 1039 |
1040 static const char* Name() { return "Two-Point Conical Gradient Outside"; } | 1040 static const char* Name() { return "Two-Point Conical Gradient Outside"; } |
1041 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 1041 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
1042 | 1042 |
1043 SkScalar centerX() const { return fInfo.fCenterEnd.fX; } | 1043 SkScalar centerX() const { return fInfo.fCenterEnd.fX; } |
1044 SkScalar centerY() const { return fInfo.fCenterEnd.fY; } | 1044 SkScalar centerY() const { return fInfo.fCenterEnd.fY; } |
1045 SkScalar A() const { return fInfo.fA; } | 1045 SkScalar A() const { return fInfo.fA; } |
1046 SkScalar B() const { return fInfo.fB; } | 1046 SkScalar B() const { return fInfo.fB; } |
1047 SkScalar C() const { return fInfo.fC; } | 1047 SkScalar C() const { return fInfo.fC; } |
1048 SkScalar tLimit() const { return fTLimit; } | 1048 SkScalar tLimit() const { return fTLimit; } |
1049 bool isFlipped() const { return fIsFlipped; } | 1049 bool isFlipped() const { return fIsFlipped; } |
1050 | 1050 |
1051 typedef GLCircleOutside2PtConicalEffect GLEffect; | 1051 typedef GLCircleOutside2PtConicalEffect GLProcessor; |
1052 | 1052 |
1053 private: | 1053 private: |
1054 virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE { | 1054 virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE { |
1055 const CircleOutside2PtConicalEffect& s = sBase.cast<CircleOutside2PtConi
calEffect>(); | 1055 const CircleOutside2PtConicalEffect& s = sBase.cast<CircleOutside2PtConi
calEffect>(); |
1056 return (INHERITED::onIsEqual(sBase) && | 1056 return (INHERITED::onIsEqual(sBase) && |
1057 this->fInfo.fCenterEnd == s.fInfo.fCenterEnd && | 1057 this->fInfo.fCenterEnd == s.fInfo.fCenterEnd && |
1058 this->fInfo.fA == s.fInfo.fA && | 1058 this->fInfo.fA == s.fInfo.fA && |
1059 this->fInfo.fB == s.fInfo.fB && | 1059 this->fInfo.fB == s.fInfo.fB && |
1060 this->fInfo.fC == s.fInfo.fC && | 1060 this->fInfo.fC == s.fInfo.fC && |
1061 this->fTLimit == s.fTLimit && | 1061 this->fTLimit == s.fTLimit && |
1062 this->fIsFlipped == s.fIsFlipped); | 1062 this->fIsFlipped == s.fIsFlipped); |
1063 } | 1063 } |
1064 | 1064 |
1065 CircleOutside2PtConicalEffect(GrContext* ctx, | 1065 CircleOutside2PtConicalEffect(GrContext* ctx, |
1066 const SkTwoPointConicalGradient& shader, | 1066 const SkTwoPointConicalGradient& shader, |
1067 const SkMatrix& matrix, | 1067 const SkMatrix& matrix, |
1068 SkShader::TileMode tm, | 1068 SkShader::TileMode tm, |
1069 const CircleConicalInfo& info) | 1069 const CircleConicalInfo& info) |
1070 : INHERITED(ctx, shader, matrix, tm), fInfo(info) { | 1070 : INHERITED(ctx, shader, matrix, tm), fInfo(info) { |
1071 if (shader.getStartRadius() != shader.getEndRadius()) { | 1071 if (shader.getStartRadius() != shader.getEndRadius()) { |
1072 fTLimit = SkScalarDiv(shader.getStartRadius(), | 1072 fTLimit = SkScalarDiv(shader.getStartRadius(), |
1073 (shader.getStartRadius() - shader.getEndRadius
())); | 1073 (shader.getStartRadius() - shader.getEndRadius
())); |
1074 } else { | 1074 } else { |
1075 fTLimit = SK_ScalarMin; | 1075 fTLimit = SK_ScalarMin; |
1076 } | 1076 } |
1077 | 1077 |
1078 fIsFlipped = shader.isFlippedGrad(); | 1078 fIsFlipped = shader.isFlippedGrad(); |
1079 } | 1079 } |
1080 | 1080 |
1081 GR_DECLARE_EFFECT_TEST; | 1081 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
1082 | 1082 |
1083 const CircleConicalInfo fInfo; | 1083 const CircleConicalInfo fInfo; |
1084 SkScalar fTLimit; | 1084 SkScalar fTLimit; |
1085 bool fIsFlipped; | 1085 bool fIsFlipped; |
1086 | 1086 |
1087 typedef GrGradientEffect INHERITED; | 1087 typedef GrGradientEffect INHERITED; |
1088 }; | 1088 }; |
1089 | 1089 |
1090 class GLCircleOutside2PtConicalEffect : public GrGLGradientEffect { | 1090 class GLCircleOutside2PtConicalEffect : public GrGLGradientEffect { |
1091 public: | 1091 public: |
1092 GLCircleOutside2PtConicalEffect(const GrBackendEffectFactory& factory, const
GrEffect&); | 1092 GLCircleOutside2PtConicalEffect(const GrBackendProcessorFactory&, const GrPr
ocessor&); |
1093 virtual ~GLCircleOutside2PtConicalEffect() {} | 1093 virtual ~GLCircleOutside2PtConicalEffect() {} |
1094 | 1094 |
1095 virtual void emitCode(GrGLProgramBuilder*, | 1095 virtual void emitCode(GrGLProgramBuilder*, |
1096 const GrEffect&, | 1096 const GrFragmentProcessor&, |
1097 const GrEffectKey&, | 1097 const GrProcessorKey&, |
1098 const char* outputColor, | 1098 const char* outputColor, |
1099 const char* inputColor, | 1099 const char* inputColor, |
1100 const TransformedCoordsArray&, | 1100 const TransformedCoordsArray&, |
1101 const TextureSamplerArray&) SK_OVERRIDE; | 1101 const TextureSamplerArray&) SK_OVERRIDE; |
1102 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; | 1102 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE; |
1103 | 1103 |
1104 static void GenKey(const GrEffect&, const GrGLCaps& caps, GrEffectKeyBuilder
* b); | 1104 static void GenKey(const GrProcessor&, const GrGLCaps& caps, GrProcessorKeyB
uilder* b); |
1105 | 1105 |
1106 protected: | 1106 protected: |
1107 UniformHandle fCenterUni; | 1107 UniformHandle fCenterUni; |
1108 UniformHandle fParamUni; | 1108 UniformHandle fParamUni; |
1109 | 1109 |
1110 const char* fVSVaryingName; | 1110 const char* fVSVaryingName; |
1111 const char* fFSVaryingName; | 1111 const char* fFSVaryingName; |
1112 | 1112 |
1113 bool fIsFlipped; | 1113 bool fIsFlipped; |
1114 | 1114 |
1115 // @{ | 1115 // @{ |
1116 /// Values last uploaded as uniforms | 1116 /// Values last uploaded as uniforms |
1117 | 1117 |
1118 SkScalar fCachedCenterX; | 1118 SkScalar fCachedCenterX; |
1119 SkScalar fCachedCenterY; | 1119 SkScalar fCachedCenterY; |
1120 SkScalar fCachedA; | 1120 SkScalar fCachedA; |
1121 SkScalar fCachedB; | 1121 SkScalar fCachedB; |
1122 SkScalar fCachedC; | 1122 SkScalar fCachedC; |
1123 SkScalar fCachedTLimit; | 1123 SkScalar fCachedTLimit; |
1124 | 1124 |
1125 // @} | 1125 // @} |
1126 | 1126 |
1127 private: | 1127 private: |
1128 typedef GrGLGradientEffect INHERITED; | 1128 typedef GrGLGradientEffect INHERITED; |
1129 | 1129 |
1130 }; | 1130 }; |
1131 | 1131 |
1132 const GrBackendEffectFactory& CircleOutside2PtConicalEffect::getFactory() const
{ | 1132 const GrBackendFragmentProcessorFactory& CircleOutside2PtConicalEffect::getFacto
ry() const { |
1133 return GrTBackendEffectFactory<CircleOutside2PtConicalEffect>::getInstance()
; | 1133 return GrTBackendFragmentProcessorFactory<CircleOutside2PtConicalEffect>::ge
tInstance(); |
1134 } | 1134 } |
1135 | 1135 |
1136 GR_DEFINE_EFFECT_TEST(CircleOutside2PtConicalEffect); | 1136 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(CircleOutside2PtConicalEffect); |
1137 | 1137 |
1138 GrEffect* CircleOutside2PtConicalEffect::TestCreate(SkRandom* random, | 1138 GrFragmentProcessor* CircleOutside2PtConicalEffect::TestCreate(SkRandom* random, |
1139 GrContext* context, | 1139 GrContext* contex
t, |
1140 const GrDrawTargetCaps&, | 1140 const GrDrawTarge
tCaps&, |
1141 GrTexture**) { | 1141 GrTexture**) { |
1142 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; | 1142 SkPoint center1 = {random->nextUScalar1(), random->nextUScalar1()}; |
1143 SkScalar radius1 = random->nextUScalar1() + 0.0001f; // make sure radius1 !=
0 | 1143 SkScalar radius1 = random->nextUScalar1() + 0.0001f; // make sure radius1 !=
0 |
1144 SkPoint center2; | 1144 SkPoint center2; |
1145 SkScalar radius2; | 1145 SkScalar radius2; |
1146 SkScalar diffLen; | 1146 SkScalar diffLen; |
1147 do { | 1147 do { |
1148 center2.set(random->nextUScalar1(), random->nextUScalar1()); | 1148 center2.set(random->nextUScalar1(), random->nextUScalar1()); |
1149 // If the circles share a center than we can't be in the outside case | 1149 // If the circles share a center than we can't be in the outside case |
1150 } while (center1 == center2); | 1150 } while (center1 == center2); |
1151 SkPoint diff = center2 - center1; | 1151 SkPoint diff = center2 - center1; |
1152 diffLen = diff.length(); | 1152 diffLen = diff.length(); |
1153 // Below makes sure that circle one is not contained within circle two | 1153 // Below makes sure that circle one is not contained within circle two |
1154 // and have radius2 >= radius to match sorting on cpu side | 1154 // and have radius2 >= radius to match sorting on cpu side |
1155 radius2 = radius1 + random->nextRangeF(0.f, diffLen); | 1155 radius2 = radius1 + random->nextRangeF(0.f, diffLen); |
1156 | 1156 |
1157 SkColor colors[kMaxRandomGradientColors]; | 1157 SkColor colors[kMaxRandomGradientColors]; |
1158 SkScalar stopsArray[kMaxRandomGradientColors]; | 1158 SkScalar stopsArray[kMaxRandomGradientColors]; |
1159 SkScalar* stops = stopsArray; | 1159 SkScalar* stops = stopsArray; |
1160 SkShader::TileMode tm; | 1160 SkShader::TileMode tm; |
1161 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 1161 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
1162 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, | 1162 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointConical(center
1, radius1, |
1163 center
2, radius2, | 1163 center
2, radius2, |
1164 colors
, stops, colorCount, | 1164 colors
, stops, colorCount, |
1165 tm)); | 1165 tm)); |
1166 SkPaint paint; | 1166 SkPaint paint; |
1167 GrColor paintColor; | 1167 GrColor paintColor; |
1168 GrEffect* effect; | 1168 GrFragmentProcessor* processor; |
1169 SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effec
t)); | 1169 SkAssertResult(shader->asFragmentProcessor(context, paint, NULL, &paintColor
, &processor)); |
1170 return effect; | 1170 return processor; |
1171 } | 1171 } |
1172 | 1172 |
1173 GLCircleOutside2PtConicalEffect::GLCircleOutside2PtConicalEffect(const GrBackend
EffectFactory& factory, | 1173 GLCircleOutside2PtConicalEffect::GLCircleOutside2PtConicalEffect(const GrBackend
ProcessorFactory& factory, |
1174 const GrEffect&
effect) | 1174 const GrProcess
or& processor) |
1175 : INHERITED(factory) | 1175 : INHERITED(factory) |
1176 , fVSVaryingName(NULL) | 1176 , fVSVaryingName(NULL) |
1177 , fFSVaryingName(NULL) | 1177 , fFSVaryingName(NULL) |
1178 , fCachedCenterX(SK_ScalarMax) | 1178 , fCachedCenterX(SK_ScalarMax) |
1179 , fCachedCenterY(SK_ScalarMax) | 1179 , fCachedCenterY(SK_ScalarMax) |
1180 , fCachedA(SK_ScalarMax) | 1180 , fCachedA(SK_ScalarMax) |
1181 , fCachedB(SK_ScalarMax) | 1181 , fCachedB(SK_ScalarMax) |
1182 , fCachedC(SK_ScalarMax) | 1182 , fCachedC(SK_ScalarMax) |
1183 , fCachedTLimit(SK_ScalarMax) { | 1183 , fCachedTLimit(SK_ScalarMax) { |
1184 const CircleOutside2PtConicalEffect& data = effect.cast<CircleOutside2PtConi
calEffect>(); | 1184 const CircleOutside2PtConicalEffect& data = processor.cast<CircleOutside2PtC
onicalEffect>(); |
1185 fIsFlipped = data.isFlipped(); | 1185 fIsFlipped = data.isFlipped(); |
1186 } | 1186 } |
1187 | 1187 |
1188 void GLCircleOutside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, | 1188 void GLCircleOutside2PtConicalEffect::emitCode(GrGLProgramBuilder* builder, |
1189 const GrEffect&, | 1189 const GrFragmentProcessor&, |
1190 const GrEffectKey& key, | 1190 const GrProcessorKey& key, |
1191 const char* outputColor, | 1191 const char* outputColor, |
1192 const char* inputColor, | 1192 const char* inputColor, |
1193 const TransformedCoordsArray& coo
rds, | 1193 const TransformedCoordsArray& coo
rds, |
1194 const TextureSamplerArray& sample
rs) { | 1194 const TextureSamplerArray& sample
rs) { |
1195 uint32_t baseKey = key.get32(0); | 1195 uint32_t baseKey = key.get32(0); |
1196 this->emitUniforms(builder, baseKey); | 1196 this->emitUniforms(builder, baseKey); |
1197 fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 1197 fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
1198 kVec2f_GrSLType, "Conical2FSCenter"); | 1198 kVec2f_GrSLType, "Conical2FSCenter"); |
1199 fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 1199 fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
1200 kVec4f_GrSLType, "Conical2FSParams"); | 1200 kVec4f_GrSLType, "Conical2FSParams"); |
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1238 fsBuilder->codeAppendf("\tfloat %s = d - sqrt(deter);\n", tName.c_str())
; | 1238 fsBuilder->codeAppendf("\tfloat %s = d - sqrt(deter);\n", tName.c_str())
; |
1239 } | 1239 } |
1240 | 1240 |
1241 fsBuilder->codeAppendf("\tif (%s >= %s.w && deter >= 0.0) {\n", tName.c_str(
), params.c_str()); | 1241 fsBuilder->codeAppendf("\tif (%s >= %s.w && deter >= 0.0) {\n", tName.c_str(
), params.c_str()); |
1242 fsBuilder->codeAppend("\t\t"); | 1242 fsBuilder->codeAppend("\t\t"); |
1243 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); | 1243 this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, sa
mplers); |
1244 fsBuilder->codeAppend("\t}\n"); | 1244 fsBuilder->codeAppend("\t}\n"); |
1245 } | 1245 } |
1246 | 1246 |
1247 void GLCircleOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdma
n, | 1247 void GLCircleOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdma
n, |
1248 const GrEffect& effect) { | 1248 const GrProcessor& processor) { |
1249 INHERITED::setData(pdman, effect); | 1249 INHERITED::setData(pdman, processor); |
1250 const CircleOutside2PtConicalEffect& data = effect.cast<CircleOutside2PtConi
calEffect>(); | 1250 const CircleOutside2PtConicalEffect& data = processor.cast<CircleOutside2PtC
onicalEffect>(); |
1251 SkASSERT(data.isFlipped() == fIsFlipped); | 1251 SkASSERT(data.isFlipped() == fIsFlipped); |
1252 SkScalar centerX = data.centerX(); | 1252 SkScalar centerX = data.centerX(); |
1253 SkScalar centerY = data.centerY(); | 1253 SkScalar centerY = data.centerY(); |
1254 SkScalar A = data.A(); | 1254 SkScalar A = data.A(); |
1255 SkScalar B = data.B(); | 1255 SkScalar B = data.B(); |
1256 SkScalar C = data.C(); | 1256 SkScalar C = data.C(); |
1257 SkScalar tLimit = data.tLimit(); | 1257 SkScalar tLimit = data.tLimit(); |
1258 | 1258 |
1259 if (fCachedCenterX != centerX || fCachedCenterY != centerY || | 1259 if (fCachedCenterX != centerX || fCachedCenterY != centerY || |
1260 fCachedA != A || fCachedB != B || fCachedC != C || fCachedTLimit != tLim
it) { | 1260 fCachedA != A || fCachedB != B || fCachedC != C || fCachedTLimit != tLim
it) { |
1261 | 1261 |
1262 pdman.set2f(fCenterUni, SkScalarToFloat(centerX), SkScalarToFloat(center
Y)); | 1262 pdman.set2f(fCenterUni, SkScalarToFloat(centerX), SkScalarToFloat(center
Y)); |
1263 pdman.set4f(fParamUni, SkScalarToFloat(A), SkScalarToFloat(B), SkScalarT
oFloat(C), | 1263 pdman.set4f(fParamUni, SkScalarToFloat(A), SkScalarToFloat(B), SkScalarT
oFloat(C), |
1264 SkScalarToFloat(tLimit)); | 1264 SkScalarToFloat(tLimit)); |
1265 | 1265 |
1266 fCachedCenterX = centerX; | 1266 fCachedCenterX = centerX; |
1267 fCachedCenterY = centerY; | 1267 fCachedCenterY = centerY; |
1268 fCachedA = A; | 1268 fCachedA = A; |
1269 fCachedB = B; | 1269 fCachedB = B; |
1270 fCachedC = C; | 1270 fCachedC = C; |
1271 fCachedTLimit = tLimit; | 1271 fCachedTLimit = tLimit; |
1272 } | 1272 } |
1273 } | 1273 } |
1274 | 1274 |
1275 void GLCircleOutside2PtConicalEffect::GenKey(const GrEffect& effect, | 1275 void GLCircleOutside2PtConicalEffect::GenKey(const GrProcessor& processor, |
1276 const GrGLCaps&, GrEffectKeyBuilder
* b) { | 1276 const GrGLCaps&, GrProcessorKeyBuil
der* b) { |
1277 uint32_t* key = b->add32n(2); | 1277 uint32_t* key = b->add32n(2); |
1278 key[0] = GenBaseGradientKey(effect); | 1278 key[0] = GenBaseGradientKey(processor); |
1279 key[1] = effect.cast<CircleOutside2PtConicalEffect>().isFlipped(); | 1279 key[1] = processor.cast<CircleOutside2PtConicalEffect>().isFlipped(); |
1280 } | 1280 } |
1281 | 1281 |
1282 ////////////////////////////////////////////////////////////////////////////// | 1282 ////////////////////////////////////////////////////////////////////////////// |
1283 | 1283 |
1284 GrEffect* Gr2PtConicalGradientEffect::Create(GrContext* ctx, | 1284 GrFragmentProcessor* Gr2PtConicalGradientEffect::Create(GrContext* ctx, |
1285 const SkTwoPointConicalGradient& sh
ader, | 1285 const SkTwoPointConicalG
radient& shader, |
1286 SkShader::TileMode tm, | 1286 SkShader::TileMode tm, |
1287 const SkMatrix* localMatrix) { | 1287 const SkMatrix* localMat
rix) { |
1288 SkMatrix matrix; | 1288 SkMatrix matrix; |
1289 if (!shader.getLocalMatrix().invert(&matrix)) { | 1289 if (!shader.getLocalMatrix().invert(&matrix)) { |
1290 return NULL; | 1290 return NULL; |
1291 } | 1291 } |
1292 if (localMatrix) { | 1292 if (localMatrix) { |
1293 SkMatrix inv; | 1293 SkMatrix inv; |
1294 if (!localMatrix->invert(&inv)) { | 1294 if (!localMatrix->invert(&inv)) { |
1295 return NULL; | 1295 return NULL; |
1296 } | 1296 } |
1297 matrix.postConcat(inv); | 1297 matrix.postConcat(inv); |
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1317 return CircleInside2PtConicalEffect::Create(ctx, shader, matrix, tm, inf
o); | 1317 return CircleInside2PtConicalEffect::Create(ctx, shader, matrix, tm, inf
o); |
1318 } else if (type == kEdge_ConicalType) { | 1318 } else if (type == kEdge_ConicalType) { |
1319 set_matrix_edge_conical(shader, &matrix); | 1319 set_matrix_edge_conical(shader, &matrix); |
1320 return Edge2PtConicalEffect::Create(ctx, shader, matrix, tm); | 1320 return Edge2PtConicalEffect::Create(ctx, shader, matrix, tm); |
1321 } else { | 1321 } else { |
1322 return CircleOutside2PtConicalEffect::Create(ctx, shader, matrix, tm, in
fo); | 1322 return CircleOutside2PtConicalEffect::Create(ctx, shader, matrix, tm, in
fo); |
1323 } | 1323 } |
1324 } | 1324 } |
1325 | 1325 |
1326 #endif | 1326 #endif |
OLD | NEW |