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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 "GrTextureDomainEffect.h" | 8 #include "GrTextureDomainEffect.h" |
9 #include "GrSimpleTextureEffect.h" | 9 #include "GrSimpleTextureEffect.h" |
10 #include "GrTBackendEffectFactory.h" | 10 #include "GrTBackendEffectFactory.h" |
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101 samplers[0], | 101 samplers[0], |
102 coords); | 102 coords); |
103 builder->fsCodeAppend(";\n"); | 103 builder->fsCodeAppend(";\n"); |
104 } | 104 } |
105 } | 105 } |
106 } | 106 } |
107 | 107 |
108 void GrGLTextureDomainEffect::setData(const GrGLUniformManager& uman, | 108 void GrGLTextureDomainEffect::setData(const GrGLUniformManager& uman, |
109 const GrDrawEffect& drawEffect) { | 109 const GrDrawEffect& drawEffect) { |
110 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); | 110 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); |
111 const GrRect& domain = texDom.domain(); | 111 const SkRect& domain = texDom.domain(); |
112 | 112 |
113 float values[4] = { | 113 float values[4] = { |
114 SkScalarToFloat(domain.left()), | 114 SkScalarToFloat(domain.left()), |
115 SkScalarToFloat(domain.top()), | 115 SkScalarToFloat(domain.top()), |
116 SkScalarToFloat(domain.right()), | 116 SkScalarToFloat(domain.right()), |
117 SkScalarToFloat(domain.bottom()) | 117 SkScalarToFloat(domain.bottom()) |
118 }; | 118 }; |
119 // vertical flip if necessary | 119 // vertical flip if necessary |
120 if (kBottomLeft_GrSurfaceOrigin == texDom.texture(0)->origin()) { | 120 if (kBottomLeft_GrSurfaceOrigin == texDom.texture(0)->origin()) { |
121 values[1] = 1.0f - values[1]; | 121 values[1] = 1.0f - values[1]; |
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144 texDom.coordsType(), | 144 texDom.coordsType(), |
145 texDom.texture(0)); | 145 texDom.texture(0)); |
146 return key | matrixKey; | 146 return key | matrixKey; |
147 } | 147 } |
148 | 148 |
149 | 149 |
150 /////////////////////////////////////////////////////////////////////////////// | 150 /////////////////////////////////////////////////////////////////////////////// |
151 | 151 |
152 GrEffectRef* GrTextureDomainEffect::Create(GrTexture* texture, | 152 GrEffectRef* GrTextureDomainEffect::Create(GrTexture* texture, |
153 const SkMatrix& matrix, | 153 const SkMatrix& matrix, |
154 const GrRect& domain, | 154 const SkRect& domain, |
155 WrapMode wrapMode, | 155 WrapMode wrapMode, |
156 bool bilerp, | 156 bool bilerp, |
157 CoordsType coordsType) { | 157 CoordsType coordsType) { |
158 static const SkRect kFullRect = {0, 0, SK_Scalar1, SK_Scalar1}; | 158 static const SkRect kFullRect = {0, 0, SK_Scalar1, SK_Scalar1}; |
159 if (kClamp_WrapMode == wrapMode && domain.contains(kFullRect)) { | 159 if (kClamp_WrapMode == wrapMode && domain.contains(kFullRect)) { |
160 return GrSimpleTextureEffect::Create(texture, matrix, bilerp); | 160 return GrSimpleTextureEffect::Create(texture, matrix, bilerp); |
161 } else { | 161 } else { |
162 SkRect clippedDomain; | 162 SkRect clippedDomain; |
163 // We don't currently handle domains that are empty or don't intersect t
he texture. | 163 // We don't currently handle domains that are empty or don't intersect t
he texture. |
164 // It is OK if the domain rect is a line or point, but it should not be
inverted. We do not | 164 // It is OK if the domain rect is a line or point, but it should not be
inverted. We do not |
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178 wrapMode, | 178 wrapMode, |
179 bilerp, | 179 bilerp, |
180 coordsType))); | 180 coordsType))); |
181 return CreateEffectRef(effect); | 181 return CreateEffectRef(effect); |
182 | 182 |
183 } | 183 } |
184 } | 184 } |
185 | 185 |
186 GrTextureDomainEffect::GrTextureDomainEffect(GrTexture* texture, | 186 GrTextureDomainEffect::GrTextureDomainEffect(GrTexture* texture, |
187 const SkMatrix& matrix, | 187 const SkMatrix& matrix, |
188 const GrRect& domain, | 188 const SkRect& domain, |
189 WrapMode wrapMode, | 189 WrapMode wrapMode, |
190 bool bilerp, | 190 bool bilerp, |
191 CoordsType coordsType) | 191 CoordsType coordsType) |
192 : GrSingleTextureEffect(texture, matrix, bilerp, coordsType) | 192 : GrSingleTextureEffect(texture, matrix, bilerp, coordsType) |
193 , fWrapMode(wrapMode) | 193 , fWrapMode(wrapMode) |
194 , fTextureDomain(domain) { | 194 , fTextureDomain(domain) { |
195 } | 195 } |
196 | 196 |
197 GrTextureDomainEffect::~GrTextureDomainEffect() { | 197 GrTextureDomainEffect::~GrTextureDomainEffect() { |
198 | 198 |
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219 /////////////////////////////////////////////////////////////////////////////// | 219 /////////////////////////////////////////////////////////////////////////////// |
220 | 220 |
221 GR_DEFINE_EFFECT_TEST(GrTextureDomainEffect); | 221 GR_DEFINE_EFFECT_TEST(GrTextureDomainEffect); |
222 | 222 |
223 GrEffectRef* GrTextureDomainEffect::TestCreate(SkMWCRandom* random, | 223 GrEffectRef* GrTextureDomainEffect::TestCreate(SkMWCRandom* random, |
224 GrContext*, | 224 GrContext*, |
225 const GrDrawTargetCaps&, | 225 const GrDrawTargetCaps&, |
226 GrTexture* textures[]) { | 226 GrTexture* textures[]) { |
227 int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : | 227 int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : |
228 GrEffectUnitTest::kAlphaTextureIdx; | 228 GrEffectUnitTest::kAlphaTextureIdx; |
229 GrRect domain; | 229 SkRect domain; |
230 domain.fLeft = random->nextUScalar1(); | 230 domain.fLeft = random->nextUScalar1(); |
231 domain.fRight = random->nextRangeScalar(domain.fLeft, SK_Scalar1); | 231 domain.fRight = random->nextRangeScalar(domain.fLeft, SK_Scalar1); |
232 domain.fTop = random->nextUScalar1(); | 232 domain.fTop = random->nextUScalar1(); |
233 domain.fBottom = random->nextRangeScalar(domain.fTop, SK_Scalar1); | 233 domain.fBottom = random->nextRangeScalar(domain.fTop, SK_Scalar1); |
234 WrapMode wrapMode = random->nextBool() ? kClamp_WrapMode : kDecal_WrapMode; | 234 WrapMode wrapMode = random->nextBool() ? kClamp_WrapMode : kDecal_WrapMode; |
235 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); | 235 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); |
236 bool bilerp = random->nextBool(); | 236 bool bilerp = random->nextBool(); |
237 CoordsType coords = random->nextBool() ? kLocal_CoordsType : kPosition_Coord
sType; | 237 CoordsType coords = random->nextBool() ? kLocal_CoordsType : kPosition_Coord
sType; |
238 return GrTextureDomainEffect::Create(textures[texIdx], | 238 return GrTextureDomainEffect::Create(textures[texIdx], |
239 matrix, | 239 matrix, |
240 domain, | 240 domain, |
241 wrapMode, | 241 wrapMode, |
242 bilerp, | 242 bilerp, |
243 coords); | 243 coords); |
244 } | 244 } |
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