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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 #ifndef GrTextureDomainEffect_DEFINED | 8 #ifndef GrTextureDomainEffect_DEFINED |
| 9 #define GrTextureDomainEffect_DEFINED | 9 #define GrTextureDomainEffect_DEFINED |
| 10 | 10 |
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| 53 * @param index Pass a value >= 0 if using multiple texture domains in t
he same effect. | 53 * @param index Pass a value >= 0 if using multiple texture domains in t
he same effect. |
| 54 * It is used to keep inserted variables from causing name
collisions. | 54 * It is used to keep inserted variables from causing name
collisions. |
| 55 */ | 55 */ |
| 56 GrTextureDomain(const SkRect& domain, Mode, int index = -1); | 56 GrTextureDomain(const SkRect& domain, Mode, int index = -1); |
| 57 | 57 |
| 58 const SkRect& domain() const { return fDomain; } | 58 const SkRect& domain() const { return fDomain; } |
| 59 Mode mode() const { return fMode; } | 59 Mode mode() const { return fMode; } |
| 60 | 60 |
| 61 /* Computes a domain that bounds all the texels in texelRect. Note that with
bilerp enabled | 61 /* Computes a domain that bounds all the texels in texelRect. Note that with
bilerp enabled |
| 62 texels neighboring the domain may be read. */ | 62 texels neighboring the domain may be read. */ |
| 63 static const SkRect MakeTexelDomain(const GrTexture* texture, const SkIRect&
texelRect) { | 63 static const SkRect MakeTexelDomain(int width, int height, const SkIRect& te
xelRect) { |
| 64 SkScalar wInv = SK_Scalar1 / texture->width(); | 64 SkScalar wInv = SK_Scalar1 / width; |
| 65 SkScalar hInv = SK_Scalar1 / texture->height(); | 65 SkScalar hInv = SK_Scalar1 / height; |
| 66 SkRect result = { | 66 SkRect result = { |
| 67 texelRect.fLeft * wInv, | 67 texelRect.fLeft * wInv, |
| 68 texelRect.fTop * hInv, | 68 texelRect.fTop * hInv, |
| 69 texelRect.fRight * wInv, | 69 texelRect.fRight * wInv, |
| 70 texelRect.fBottom * hInv | 70 texelRect.fBottom * hInv |
| 71 }; | 71 }; |
| 72 return result; | 72 return result; |
| 73 } | 73 } |
| 74 | 74 |
| 75 static const SkRect MakeTexelDomainForMode(const GrTexture* texture, const S
kIRect& texelRect, Mode mode) { | 75 static const SkRect MakeTexelDomainForMode(const GrTexture* texture, const S
kIRect& texelRect, Mode mode) { |
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| 166 class GrTextureDomainEffect : public GrSingleTextureEffect { | 166 class GrTextureDomainEffect : public GrSingleTextureEffect { |
| 167 | 167 |
| 168 public: | 168 public: |
| 169 static sk_sp<GrFragmentProcessor> Make(GrTexture*, | 169 static sk_sp<GrFragmentProcessor> Make(GrTexture*, |
| 170 sk_sp<GrColorSpaceXform>, | 170 sk_sp<GrColorSpaceXform>, |
| 171 const SkMatrix&, | 171 const SkMatrix&, |
| 172 const SkRect& domain, | 172 const SkRect& domain, |
| 173 GrTextureDomain::Mode, | 173 GrTextureDomain::Mode, |
| 174 GrTextureParams::FilterMode filterMod
e); | 174 GrTextureParams::FilterMode filterMod
e); |
| 175 | 175 |
| 176 static sk_sp<GrFragmentProcessor> Make(GrTextureProxy*, |
| 177 sk_sp<GrColorSpaceXform>, |
| 178 const SkMatrix&, |
| 179 const SkRect& domain, |
| 180 GrTextureDomain::Mode, |
| 181 GrTextureParams::FilterMode filterMod
e); |
| 182 |
| 176 const char* name() const override { return "TextureDomain"; } | 183 const char* name() const override { return "TextureDomain"; } |
| 177 | 184 |
| 178 SkString dumpInfo() const override { | 185 SkString dumpInfo() const override { |
| 179 SkString str; | 186 SkString str; |
| 180 str.appendf("Domain: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]", | 187 str.appendf("Domain: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]", |
| 181 fTextureDomain.domain().fLeft, fTextureDomain.domain().fTop, | 188 fTextureDomain.domain().fLeft, fTextureDomain.domain().fTop, |
| 182 fTextureDomain.domain().fRight, fTextureDomain.domain().fBot
tom); | 189 fTextureDomain.domain().fRight, fTextureDomain.domain().fBot
tom); |
| 183 str.append(INHERITED::dumpInfo()); | 190 str.append(INHERITED::dumpInfo()); |
| 184 return str; | 191 return str; |
| 185 } | 192 } |
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| 205 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 212 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
| 206 | 213 |
| 207 typedef GrSingleTextureEffect INHERITED; | 214 typedef GrSingleTextureEffect INHERITED; |
| 208 }; | 215 }; |
| 209 | 216 |
| 210 class GrDeviceSpaceTextureDecalFragmentProcessor : public GrFragmentProcessor { | 217 class GrDeviceSpaceTextureDecalFragmentProcessor : public GrFragmentProcessor { |
| 211 public: | 218 public: |
| 212 static sk_sp<GrFragmentProcessor> Make(GrTexture*, const SkIRect& subset, | 219 static sk_sp<GrFragmentProcessor> Make(GrTexture*, const SkIRect& subset, |
| 213 const SkIPoint& deviceSpaceOffset); | 220 const SkIPoint& deviceSpaceOffset); |
| 214 | 221 |
| 222 static sk_sp<GrFragmentProcessor> Make(GrTextureProxy*, const SkIRect& subse
t, |
| 223 const SkIPoint& deviceSpaceOffset); |
| 224 |
| 215 const char* name() const override { return "GrDeviceSpaceTextureDecalFragmen
tProcessor"; } | 225 const char* name() const override { return "GrDeviceSpaceTextureDecalFragmen
tProcessor"; } |
| 216 | 226 |
| 217 SkString dumpInfo() const override { | 227 SkString dumpInfo() const override { |
| 218 SkString str; | 228 SkString str; |
| 219 str.appendf("Domain: [L: %.2f, T: %.2f, R: %.2f, B: %.2f] Offset: [%d %d
]", | 229 str.appendf("Domain: [L: %.2f, T: %.2f, R: %.2f, B: %.2f] Offset: [%d %d
]", |
| 220 fTextureDomain.domain().fLeft, fTextureDomain.domain().fTop, | 230 fTextureDomain.domain().fLeft, fTextureDomain.domain().fTop, |
| 221 fTextureDomain.domain().fRight, fTextureDomain.domain().fBot
tom, | 231 fTextureDomain.domain().fRight, fTextureDomain.domain().fBot
tom, |
| 222 fDeviceSpaceOffset.fX, fDeviceSpaceOffset.fY); | 232 fDeviceSpaceOffset.fX, fDeviceSpaceOffset.fY); |
| 223 str.append(INHERITED::dumpInfo()); | 233 str.append(INHERITED::dumpInfo()); |
| 224 return str; | 234 return str; |
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| 237 void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const
override {} | 247 void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const
override {} |
| 238 | 248 |
| 239 bool onIsEqual(const GrFragmentProcessor& fp) const override; | 249 bool onIsEqual(const GrFragmentProcessor& fp) const override; |
| 240 void onComputeInvariantOutput(GrInvariantOutput* inout) const override; | 250 void onComputeInvariantOutput(GrInvariantOutput* inout) const override; |
| 241 | 251 |
| 242 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 252 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
| 243 | 253 |
| 244 typedef GrFragmentProcessor INHERITED; | 254 typedef GrFragmentProcessor INHERITED; |
| 245 }; | 255 }; |
| 246 #endif | 256 #endif |
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