| OLD | NEW |
| 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" |
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| 43 SkIPoint* margin) const SK_OVERRIDE; | 43 SkIPoint* margin) const SK_OVERRIDE; |
| 44 | 44 |
| 45 #if SK_SUPPORT_GPU | 45 #if SK_SUPPORT_GPU |
| 46 virtual bool canFilterMaskGPU(const SkRect& devBounds, | 46 virtual bool canFilterMaskGPU(const SkRect& devBounds, |
| 47 const SkIRect& clipBounds, | 47 const SkIRect& clipBounds, |
| 48 const SkMatrix& ctm, | 48 const SkMatrix& ctm, |
| 49 SkRect* maskRect) const SK_OVERRIDE; | 49 SkRect* maskRect) const SK_OVERRIDE; |
| 50 virtual bool directFilterMaskGPU(GrContext* context, | 50 virtual bool directFilterMaskGPU(GrContext* context, |
| 51 GrRenderTarget* rt, | 51 GrRenderTarget* rt, |
| 52 GrPaint* grp, | 52 GrPaint* grp, |
| 53 const GrClip&, | |
| 54 const SkMatrix& viewMatrix, | 53 const SkMatrix& viewMatrix, |
| 55 const SkStrokeRec& strokeRec, | 54 const SkStrokeRec& strokeRec, |
| 56 const SkPath& path) const SK_OVERRIDE; | 55 const SkPath& path) const SK_OVERRIDE; |
| 57 virtual bool directFilterRRectMaskGPU(GrContext* context, | 56 virtual bool directFilterRRectMaskGPU(GrContext* context, |
| 58 GrRenderTarget* rt, | 57 GrRenderTarget* rt, |
| 59 GrPaint* grp, | 58 GrPaint* grp, |
| 60 const GrClip&, | |
| 61 const SkMatrix& viewMatrix, | 59 const SkMatrix& viewMatrix, |
| 62 const SkStrokeRec& strokeRec, | 60 const SkStrokeRec& strokeRec, |
| 63 const SkRRect& rrect) const SK_OVERRID
E; | 61 const SkRRect& rrect) const SK_OVERRID
E; |
| 64 | 62 |
| 65 virtual bool filterMaskGPU(GrTexture* src, | 63 virtual bool filterMaskGPU(GrTexture* src, |
| 66 const SkMatrix& ctm, | 64 const SkMatrix& ctm, |
| 67 const SkRect& maskRect, | 65 const SkRect& maskRect, |
| 68 GrTexture** result, | 66 GrTexture** result, |
| 69 bool canOverwriteSrc) const SK_OVERRIDE; | 67 bool canOverwriteSrc) const SK_OVERRIDE; |
| 70 #endif | 68 #endif |
| (...skipping 754 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 825 float sigma = random->nextRangeF(3,8); | 823 float sigma = random->nextRangeF(3,8); |
| 826 float width = random->nextRangeF(200,300); | 824 float width = random->nextRangeF(200,300); |
| 827 float height = random->nextRangeF(200,300); | 825 float height = random->nextRangeF(200,300); |
| 828 return GrRectBlurEffect::Create(context, SkRect::MakeWH(width, height), sigm
a); | 826 return GrRectBlurEffect::Create(context, SkRect::MakeWH(width, height), sigm
a); |
| 829 } | 827 } |
| 830 | 828 |
| 831 | 829 |
| 832 bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context, | 830 bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context, |
| 833 GrRenderTarget* rt, | 831 GrRenderTarget* rt, |
| 834 GrPaint* grp, | 832 GrPaint* grp, |
| 835 const GrClip& clip, | |
| 836 const SkMatrix& viewMatrix, | 833 const SkMatrix& viewMatrix, |
| 837 const SkStrokeRec& strokeRec, | 834 const SkStrokeRec& strokeRec, |
| 838 const SkPath& path) const { | 835 const SkPath& path) const { |
| 839 if (fBlurStyle != kNormal_SkBlurStyle) { | 836 if (fBlurStyle != kNormal_SkBlurStyle) { |
| 840 return false; | 837 return false; |
| 841 } | 838 } |
| 842 | 839 |
| 843 SkRect rect; | 840 SkRect rect; |
| 844 if (!path.isRect(&rect)) { | 841 if (!path.isRect(&rect)) { |
| 845 return false; | 842 return false; |
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| 859 if (!fp) { | 856 if (!fp) { |
| 860 return false; | 857 return false; |
| 861 } | 858 } |
| 862 | 859 |
| 863 grp->addCoverageProcessor(fp); | 860 grp->addCoverageProcessor(fp); |
| 864 | 861 |
| 865 SkMatrix inverse; | 862 SkMatrix inverse; |
| 866 if (!viewMatrix.invert(&inverse)) { | 863 if (!viewMatrix.invert(&inverse)) { |
| 867 return false; | 864 return false; |
| 868 } | 865 } |
| 869 context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), rect, i
nverse); | 866 context->drawNonAARectWithLocalMatrix(rt, *grp, SkMatrix::I(), rect, inverse
); |
| 870 return true; | 867 return true; |
| 871 } | 868 } |
| 872 | 869 |
| 873 class GrRRectBlurEffect : public GrFragmentProcessor { | 870 class GrRRectBlurEffect : public GrFragmentProcessor { |
| 874 public: | 871 public: |
| 875 | 872 |
| 876 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); | 873 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); |
| 877 | 874 |
| 878 virtual ~GrRRectBlurEffect() {}; | 875 virtual ~GrRRectBlurEffect() {}; |
| 879 const char* name() const SK_OVERRIDE { return "GrRRectBlur"; } | 876 const char* name() const SK_OVERRIDE { return "GrRRectBlur"; } |
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| 1116 GrGLRRectBlurEffect::GenKey(*this, caps, b); | 1113 GrGLRRectBlurEffect::GenKey(*this, caps, b); |
| 1117 } | 1114 } |
| 1118 | 1115 |
| 1119 GrGLFragmentProcessor* GrRRectBlurEffect::createGLInstance() const { | 1116 GrGLFragmentProcessor* GrRRectBlurEffect::createGLInstance() const { |
| 1120 return SkNEW_ARGS(GrGLRRectBlurEffect, (*this)); | 1117 return SkNEW_ARGS(GrGLRRectBlurEffect, (*this)); |
| 1121 } | 1118 } |
| 1122 | 1119 |
| 1123 bool SkBlurMaskFilterImpl::directFilterRRectMaskGPU(GrContext* context, | 1120 bool SkBlurMaskFilterImpl::directFilterRRectMaskGPU(GrContext* context, |
| 1124 GrRenderTarget* rt, | 1121 GrRenderTarget* rt, |
| 1125 GrPaint* grp, | 1122 GrPaint* grp, |
| 1126 const GrClip& clip, | |
| 1127 const SkMatrix& viewMatrix, | 1123 const SkMatrix& viewMatrix, |
| 1128 const SkStrokeRec& strokeRec
, | 1124 const SkStrokeRec& strokeRec
, |
| 1129 const SkRRect& rrect) const
{ | 1125 const SkRRect& rrect) const
{ |
| 1130 if (fBlurStyle != kNormal_SkBlurStyle) { | 1126 if (fBlurStyle != kNormal_SkBlurStyle) { |
| 1131 return false; | 1127 return false; |
| 1132 } | 1128 } |
| 1133 | 1129 |
| 1134 if (!strokeRec.isFillStyle()) { | 1130 if (!strokeRec.isFillStyle()) { |
| 1135 return false; | 1131 return false; |
| 1136 } | 1132 } |
| 1137 | 1133 |
| 1138 SkRect proxy_rect = rrect.rect(); | 1134 SkRect proxy_rect = rrect.rect(); |
| 1139 SkMatrix ctm = viewMatrix; | 1135 SkMatrix ctm = viewMatrix; |
| 1140 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1136 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
| 1141 float extra=3.f*SkScalarCeilToScalar(xformedSigma-1/6.0f); | 1137 float extra=3.f*SkScalarCeilToScalar(xformedSigma-1/6.0f); |
| 1142 proxy_rect.outset(extra, extra); | 1138 proxy_rect.outset(extra, extra); |
| 1143 | 1139 |
| 1144 SkAutoTUnref<GrFragmentProcessor> fp(GrRRectBlurEffect::Create(context, xfor
medSigma, rrect)); | 1140 SkAutoTUnref<GrFragmentProcessor> fp(GrRRectBlurEffect::Create(context, xfor
medSigma, rrect)); |
| 1145 if (!fp) { | 1141 if (!fp) { |
| 1146 return false; | 1142 return false; |
| 1147 } | 1143 } |
| 1148 | 1144 |
| 1149 grp->addCoverageProcessor(fp); | 1145 grp->addCoverageProcessor(fp); |
| 1150 | 1146 |
| 1151 SkMatrix inverse; | 1147 SkMatrix inverse; |
| 1152 if (!viewMatrix.invert(&inverse)) { | 1148 if (!viewMatrix.invert(&inverse)) { |
| 1153 return false; | 1149 return false; |
| 1154 } | 1150 } |
| 1155 context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), proxy_r
ect, inverse); | 1151 context->drawNonAARectWithLocalMatrix(rt, *grp, SkMatrix::I(), proxy_rect, i
nverse); |
| 1156 return true; | 1152 return true; |
| 1157 } | 1153 } |
| 1158 | 1154 |
| 1159 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, | 1155 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, |
| 1160 const SkIRect& clipBounds, | 1156 const SkIRect& clipBounds, |
| 1161 const SkMatrix& ctm, | 1157 const SkMatrix& ctm, |
| 1162 SkRect* maskRect) const { | 1158 SkRect* maskRect) const { |
| 1163 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1159 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
| 1164 if (xformedSigma <= 0) { | 1160 if (xformedSigma <= 0) { |
| 1165 return false; | 1161 return false; |
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| 1197 | 1193 |
| 1198 bool SkBlurMaskFilterImpl::filterMaskGPU(GrTexture* src, | 1194 bool SkBlurMaskFilterImpl::filterMaskGPU(GrTexture* src, |
| 1199 const SkMatrix& ctm, | 1195 const SkMatrix& ctm, |
| 1200 const SkRect& maskRect, | 1196 const SkRect& maskRect, |
| 1201 GrTexture** result, | 1197 GrTexture** result, |
| 1202 bool canOverwriteSrc) const { | 1198 bool canOverwriteSrc) const { |
| 1203 SkRect clipRect = SkRect::MakeWH(maskRect.width(), maskRect.height()); | 1199 SkRect clipRect = SkRect::MakeWH(maskRect.width(), maskRect.height()); |
| 1204 | 1200 |
| 1205 GrContext* context = src->getContext(); | 1201 GrContext* context = src->getContext(); |
| 1206 | 1202 |
| 1203 GrContext::AutoWideOpenIdentityDraw awo(context); |
| 1204 |
| 1207 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1205 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
| 1208 SkASSERT(xformedSigma > 0); | 1206 SkASSERT(xformedSigma > 0); |
| 1209 | 1207 |
| 1210 // If we're doing a normal blur, we can clobber the pathTexture in the | 1208 // If we're doing a normal blur, we can clobber the pathTexture in the |
| 1211 // gaussianBlur. Otherwise, we need to save it for later compositing. | 1209 // gaussianBlur. Otherwise, we need to save it for later compositing. |
| 1212 bool isNormalBlur = (kNormal_SkBlurStyle == fBlurStyle); | 1210 bool isNormalBlur = (kNormal_SkBlurStyle == fBlurStyle); |
| 1213 *result = SkGpuBlurUtils::GaussianBlur(context, src, isNormalBlur && canOver
writeSrc, | 1211 *result = SkGpuBlurUtils::GaussianBlur(context, src, isNormalBlur && canOver
writeSrc, |
| 1214 clipRect, false, xformedSigma, xforme
dSigma); | 1212 clipRect, false, xformedSigma, xforme
dSigma); |
| 1215 if (NULL == *result) { | 1213 if (NULL == *result) { |
| 1216 return false; | 1214 return false; |
| (...skipping 10 matching lines...) Expand all Loading... |
| 1227 paint.setCoverageSetOpXPFactory(SkRegion::kIntersect_Op); | 1225 paint.setCoverageSetOpXPFactory(SkRegion::kIntersect_Op); |
| 1228 } else if (kSolid_SkBlurStyle == fBlurStyle) { | 1226 } else if (kSolid_SkBlurStyle == fBlurStyle) { |
| 1229 // solid: dst = src + dst - src * dst | 1227 // solid: dst = src + dst - src * dst |
| 1230 // = src + (1 - src) * dst | 1228 // = src + (1 - src) * dst |
| 1231 paint.setCoverageSetOpXPFactory(SkRegion::kUnion_Op); | 1229 paint.setCoverageSetOpXPFactory(SkRegion::kUnion_Op); |
| 1232 } else if (kOuter_SkBlurStyle == fBlurStyle) { | 1230 } else if (kOuter_SkBlurStyle == fBlurStyle) { |
| 1233 // outer: dst = dst * (1 - src) | 1231 // outer: dst = dst * (1 - src) |
| 1234 // = 0 * src + (1 - src) * dst | 1232 // = 0 * src + (1 - src) * dst |
| 1235 paint.setCoverageSetOpXPFactory(SkRegion::kDifference_Op); | 1233 paint.setCoverageSetOpXPFactory(SkRegion::kDifference_Op); |
| 1236 } | 1234 } |
| 1237 context->drawRect((*result)->asRenderTarget(), GrClip::WideOpen(), paint
, SkMatrix::I(), | 1235 context->drawRect((*result)->asRenderTarget(), paint, SkMatrix::I(), cli
pRect); |
| 1238 clipRect); | |
| 1239 } | 1236 } |
| 1240 | 1237 |
| 1241 return true; | 1238 return true; |
| 1242 } | 1239 } |
| 1243 | 1240 |
| 1244 #endif // SK_SUPPORT_GPU | 1241 #endif // SK_SUPPORT_GPU |
| 1245 | 1242 |
| 1246 | 1243 |
| 1247 #ifndef SK_IGNORE_TO_STRING | 1244 #ifndef SK_IGNORE_TO_STRING |
| 1248 void SkBlurMaskFilterImpl::toString(SkString* str) const { | 1245 void SkBlurMaskFilterImpl::toString(SkString* str) const { |
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| 1269 } else { | 1266 } else { |
| 1270 str->append("None"); | 1267 str->append("None"); |
| 1271 } | 1268 } |
| 1272 str->append("))"); | 1269 str->append("))"); |
| 1273 } | 1270 } |
| 1274 #endif | 1271 #endif |
| 1275 | 1272 |
| 1276 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) | 1273 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) |
| 1277 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) | 1274 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) |
| 1278 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 1275 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
| OLD | NEW |