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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 "GrConvolutionEffect.h" | 8 #include "GrConvolutionEffect.h" |
9 #include "gl/GrGLProcessor.h" | 9 #include "gl/GrGLProcessor.h" |
10 #include "gl/GrGLSL.h" | 10 #include "gl/GrGLSL.h" |
11 #include "gl/GrGLTexture.h" | 11 #include "gl/GrGLTexture.h" |
12 #include "gl/builders/GrGLProgramBuilder.h" | 12 #include "gl/builders/GrGLProgramBuilder.h" |
13 | 13 |
14 // For brevity | 14 // For brevity |
15 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 15 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
16 | 16 |
17 class GrGLConvolutionEffect : public GrGLFragmentProcessor { | 17 class GrGLConvolutionEffect : public GrGLFragmentProcessor { |
18 public: | 18 public: |
19 GrGLConvolutionEffect(const GrProcessor&); | 19 GrGLConvolutionEffect(const GrProcessor&); |
20 | 20 |
21 virtual void emitCode(GrGLFPBuilder*, | 21 virtual void emitCode(GrGLFPBuilder*, |
22 const GrFragmentProcessor&, | 22 const GrFragmentProcessor&, |
23 const char* outputColor, | 23 const char* outputColor, |
24 const char* inputColor, | 24 const char* inputColor, |
25 const TransformedCoordsArray&, | 25 const TransformedCoordsArray&, |
26 const TextureSamplerArray&) override; | 26 const TextureSamplerArray&) override; |
27 | 27 |
28 void setData(const GrGLProgramDataManager& pdman, const GrProcessor&) overri
de; | 28 void setData(const GrGLProgramDataManager& pdman, const GrProcessor&) overri
de; |
29 | 29 |
30 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 30 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor
KeyBuilder*); |
31 | 31 |
32 private: | 32 private: |
33 int width() const { return Gr1DKernelEffect::WidthFromRadius(fRadius); } | 33 int width() const { return Gr1DKernelEffect::WidthFromRadius(fRadius); } |
34 bool useBounds() const { return fUseBounds; } | 34 bool useBounds() const { return fUseBounds; } |
35 Gr1DKernelEffect::Direction direction() const { return fDirection; } | 35 Gr1DKernelEffect::Direction direction() const { return fDirection; } |
36 | 36 |
37 int fRadius; | 37 int fRadius; |
38 bool fUseBounds; | 38 bool fUseBounds; |
39 Gr1DKernelEffect::Direction fDirection; | 39 Gr1DKernelEffect::Direction fDirection; |
40 UniformHandle fKernelUni; | 40 UniformHandle fKernelUni; |
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127 if (Gr1DKernelEffect::kY_Direction == conv.direction() && | 127 if (Gr1DKernelEffect::kY_Direction == conv.direction() && |
128 texture.origin() != kTopLeft_GrSurfaceOrigin) { | 128 texture.origin() != kTopLeft_GrSurfaceOrigin) { |
129 pdman.set2f(fBoundsUni, 1.0f - bounds[1], 1.0f - bounds[0]); | 129 pdman.set2f(fBoundsUni, 1.0f - bounds[1], 1.0f - bounds[0]); |
130 } else { | 130 } else { |
131 pdman.set2f(fBoundsUni, bounds[0], bounds[1]); | 131 pdman.set2f(fBoundsUni, bounds[0], bounds[1]); |
132 } | 132 } |
133 } | 133 } |
134 pdman.set1fv(fKernelUni, this->width(), conv.kernel()); | 134 pdman.set1fv(fKernelUni, this->width(), conv.kernel()); |
135 } | 135 } |
136 | 136 |
137 void GrGLConvolutionEffect::GenKey(const GrProcessor& processor, const GrGLCaps&
, | 137 void GrGLConvolutionEffect::GenKey(const GrProcessor& processor, const GrGLSLCap
s&, |
138 GrProcessorKeyBuilder* b) { | 138 GrProcessorKeyBuilder* b) { |
139 const GrConvolutionEffect& conv = processor.cast<GrConvolutionEffect>(); | 139 const GrConvolutionEffect& conv = processor.cast<GrConvolutionEffect>(); |
140 uint32_t key = conv.radius(); | 140 uint32_t key = conv.radius(); |
141 key <<= 2; | 141 key <<= 2; |
142 if (conv.useBounds()) { | 142 if (conv.useBounds()) { |
143 key |= 0x2; | 143 key |= 0x2; |
144 key |= GrConvolutionEffect::kY_Direction == conv.direction() ? 0x1 : 0x0
; | 144 key |= GrConvolutionEffect::kY_Direction == conv.direction() ? 0x1 : 0x0
; |
145 } | 145 } |
146 b->add32(key); | 146 b->add32(key); |
147 } | 147 } |
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189 float scale = 1.0f / sum; | 189 float scale = 1.0f / sum; |
190 for (int i = 0; i < width; ++i) { | 190 for (int i = 0; i < width; ++i) { |
191 fKernel[i] *= scale; | 191 fKernel[i] *= scale; |
192 } | 192 } |
193 memcpy(fBounds, bounds, sizeof(fBounds)); | 193 memcpy(fBounds, bounds, sizeof(fBounds)); |
194 } | 194 } |
195 | 195 |
196 GrConvolutionEffect::~GrConvolutionEffect() { | 196 GrConvolutionEffect::~GrConvolutionEffect() { |
197 } | 197 } |
198 | 198 |
199 void GrConvolutionEffect::getGLProcessorKey(const GrGLCaps& caps, | 199 void GrConvolutionEffect::getGLProcessorKey(const GrGLSLCaps& caps, |
200 GrProcessorKeyBuilder* b) const { | 200 GrProcessorKeyBuilder* b) const { |
201 GrGLConvolutionEffect::GenKey(*this, caps, b); | 201 GrGLConvolutionEffect::GenKey(*this, caps, b); |
202 } | 202 } |
203 | 203 |
204 GrGLFragmentProcessor* GrConvolutionEffect::createGLInstance() const { | 204 GrGLFragmentProcessor* GrConvolutionEffect::createGLInstance() const { |
205 return SkNEW_ARGS(GrGLConvolutionEffect, (*this)); | 205 return SkNEW_ARGS(GrGLConvolutionEffect, (*this)); |
206 } | 206 } |
207 | 207 |
208 bool GrConvolutionEffect::onIsEqual(const GrFragmentProcessor& sBase) const { | 208 bool GrConvolutionEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
209 const GrConvolutionEffect& s = sBase.cast<GrConvolutionEffect>(); | 209 const GrConvolutionEffect& s = sBase.cast<GrConvolutionEffect>(); |
(...skipping 26 matching lines...) Expand all Loading... |
236 } | 236 } |
237 | 237 |
238 bool useBounds = random->nextBool(); | 238 bool useBounds = random->nextBool(); |
239 return GrConvolutionEffect::Create(textures[texIdx], | 239 return GrConvolutionEffect::Create(textures[texIdx], |
240 dir, | 240 dir, |
241 radius, | 241 radius, |
242 kernel, | 242 kernel, |
243 useBounds, | 243 useBounds, |
244 bounds); | 244 bounds); |
245 } | 245 } |
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