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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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