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Side by Side Diff: src/effects/SkBlurMaskFilter.cpp

Issue 956083002: Revert of Pass clip to context (Closed) Base URL: https://skia.googlesource.com/skia.git@pass_down_rendertarget
Patch Set: Created 5 years, 9 months ago
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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"
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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
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;
(...skipping 13 matching lines...) Expand all
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
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 {
(...skipping 20 matching lines...) Expand all
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
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