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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
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 "SkBlurMaskFilter.h" | 9 #include "SkBlurMaskFilter.h" |
10 #include "SkBlurMask.h" | 10 #include "SkBlurMask.h" |
11 #include "SkGpuBlurUtils.h" | 11 #include "SkGpuBlurUtils.h" |
12 #include "SkReadBuffer.h" | 12 #include "SkReadBuffer.h" |
13 #include "SkWriteBuffer.h" | 13 #include "SkWriteBuffer.h" |
14 #include "SkMaskFilter.h" | 14 #include "SkMaskFilter.h" |
15 #include "SkRRect.h" | 15 #include "SkRRect.h" |
16 #include "SkRTConf.h" | 16 #include "SkRTConf.h" |
17 #include "SkStringUtils.h" | 17 #include "SkStringUtils.h" |
18 #include "SkStrokeRec.h" | 18 #include "SkStrokeRec.h" |
19 | 19 |
20 #if SK_SUPPORT_GPU | 20 #if SK_SUPPORT_GPU |
21 #include "GrContext.h" | 21 #include "GrContext.h" |
| 22 #include "GrDrawContext.h" |
22 #include "GrTexture.h" | 23 #include "GrTexture.h" |
23 #include "GrFragmentProcessor.h" | 24 #include "GrFragmentProcessor.h" |
24 #include "GrInvariantOutput.h" | 25 #include "GrInvariantOutput.h" |
25 #include "SkGrPixelRef.h" | 26 #include "SkGrPixelRef.h" |
26 #include "SkDraw.h" | 27 #include "SkDraw.h" |
27 #include "effects/GrSimpleTextureEffect.h" | 28 #include "effects/GrSimpleTextureEffect.h" |
28 #include "gl/GrGLProcessor.h" | 29 #include "gl/GrGLProcessor.h" |
29 #include "gl/builders/GrGLProgramBuilder.h" | 30 #include "gl/builders/GrGLProgramBuilder.h" |
30 #endif | 31 #endif |
31 | 32 |
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863 if (!fp) { | 864 if (!fp) { |
864 return false; | 865 return false; |
865 } | 866 } |
866 | 867 |
867 grp->addCoverageProcessor(fp); | 868 grp->addCoverageProcessor(fp); |
868 | 869 |
869 SkMatrix inverse; | 870 SkMatrix inverse; |
870 if (!viewMatrix.invert(&inverse)) { | 871 if (!viewMatrix.invert(&inverse)) { |
871 return false; | 872 return false; |
872 } | 873 } |
873 context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), rect, i
nverse); | 874 |
874 return true; | 875 GrDrawContext* drawContext = context->drawContext(); |
| 876 if (drawContext) { |
| 877 drawContext->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(),
rect, inverse); |
| 878 return true; |
| 879 } |
| 880 |
| 881 return false; |
875 } | 882 } |
876 | 883 |
877 class GrRRectBlurEffect : public GrFragmentProcessor { | 884 class GrRRectBlurEffect : public GrFragmentProcessor { |
878 public: | 885 public: |
879 | 886 |
880 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); | 887 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); |
881 | 888 |
882 virtual ~GrRRectBlurEffect() {}; | 889 virtual ~GrRRectBlurEffect() {}; |
883 const char* name() const override { return "GrRRectBlur"; } | 890 const char* name() const override { return "GrRRectBlur"; } |
884 | 891 |
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1147 if (!fp) { | 1154 if (!fp) { |
1148 return false; | 1155 return false; |
1149 } | 1156 } |
1150 | 1157 |
1151 grp->addCoverageProcessor(fp); | 1158 grp->addCoverageProcessor(fp); |
1152 | 1159 |
1153 SkMatrix inverse; | 1160 SkMatrix inverse; |
1154 if (!viewMatrix.invert(&inverse)) { | 1161 if (!viewMatrix.invert(&inverse)) { |
1155 return false; | 1162 return false; |
1156 } | 1163 } |
1157 context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), proxy_r
ect, inverse); | 1164 |
1158 return true; | 1165 GrDrawContext* drawContext = context->drawContext(); |
| 1166 if (drawContext) { |
| 1167 drawContext->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), |
| 1168 proxy_rect, inverse); |
| 1169 return true; |
| 1170 } |
| 1171 |
| 1172 return false; |
1159 } | 1173 } |
1160 | 1174 |
1161 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, | 1175 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, |
1162 const SkIRect& clipBounds, | 1176 const SkIRect& clipBounds, |
1163 const SkMatrix& ctm, | 1177 const SkMatrix& ctm, |
1164 SkRect* maskRect) const { | 1178 SkRect* maskRect) const { |
1165 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1179 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
1166 if (xformedSigma <= 0) { | 1180 if (xformedSigma <= 0) { |
1167 return false; | 1181 return false; |
1168 } | 1182 } |
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1229 paint.setCoverageSetOpXPFactory(SkRegion::kIntersect_Op); | 1243 paint.setCoverageSetOpXPFactory(SkRegion::kIntersect_Op); |
1230 } else if (kSolid_SkBlurStyle == fBlurStyle) { | 1244 } else if (kSolid_SkBlurStyle == fBlurStyle) { |
1231 // solid: dst = src + dst - src * dst | 1245 // solid: dst = src + dst - src * dst |
1232 // = src + (1 - src) * dst | 1246 // = src + (1 - src) * dst |
1233 paint.setCoverageSetOpXPFactory(SkRegion::kUnion_Op); | 1247 paint.setCoverageSetOpXPFactory(SkRegion::kUnion_Op); |
1234 } else if (kOuter_SkBlurStyle == fBlurStyle) { | 1248 } else if (kOuter_SkBlurStyle == fBlurStyle) { |
1235 // outer: dst = dst * (1 - src) | 1249 // outer: dst = dst * (1 - src) |
1236 // = 0 * src + (1 - src) * dst | 1250 // = 0 * src + (1 - src) * dst |
1237 paint.setCoverageSetOpXPFactory(SkRegion::kDifference_Op); | 1251 paint.setCoverageSetOpXPFactory(SkRegion::kDifference_Op); |
1238 } | 1252 } |
1239 context->drawRect((*result)->asRenderTarget(), GrClip::WideOpen(), paint
, SkMatrix::I(), | 1253 |
1240 clipRect); | 1254 GrDrawContext* drawContext = context->drawContext(); |
| 1255 if (!drawContext) { |
| 1256 return false; |
| 1257 } |
| 1258 |
| 1259 drawContext->drawRect((*result)->asRenderTarget(), GrClip::WideOpen(), |
| 1260 paint, SkMatrix::I(), clipRect); |
1241 } | 1261 } |
1242 | 1262 |
1243 return true; | 1263 return true; |
1244 } | 1264 } |
1245 | 1265 |
1246 #endif // SK_SUPPORT_GPU | 1266 #endif // SK_SUPPORT_GPU |
1247 | 1267 |
1248 | 1268 |
1249 #ifndef SK_IGNORE_TO_STRING | 1269 #ifndef SK_IGNORE_TO_STRING |
1250 void SkBlurMaskFilterImpl::toString(SkString* str) const { | 1270 void SkBlurMaskFilterImpl::toString(SkString* str) const { |
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1271 } else { | 1291 } else { |
1272 str->append("None"); | 1292 str->append("None"); |
1273 } | 1293 } |
1274 str->append("))"); | 1294 str->append("))"); |
1275 } | 1295 } |
1276 #endif | 1296 #endif |
1277 | 1297 |
1278 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) | 1298 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) |
1279 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) | 1299 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) |
1280 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 1300 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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