1c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org/* 2c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org * Copyright 2014 Google Inc. 3c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org * 4c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org * Use of this source code is governed by a BSD-style license that can be 5c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org * found in the LICENSE file. 6c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org */ 7c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 8c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org#include "GrRRectEffect.h" 9c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 102a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org#include "GrConvexPolyEffect.h" 11eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt#include "GrFragmentProcessor.h" 12605dd0fbce9dbb2a0d3313e13e161f2bd54870d7egdaniel#include "GrInvariantOutput.h" 133eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org#include "GrOvalEffect.h" 14e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org#include "SkRRect.h" 157ea439b2203855db97330b25945b87dd4b170b8begdaniel#include "SkTLazy.h" 1664c4728c70001ed074fecf5c4e083781987b12e9egdaniel#include "glsl/GrGLSLFragmentProcessor.h" 172d721d33aad192cc8a7a1321504b39bdca2a57ceegdaniel#include "glsl/GrGLSLFragmentShaderBuilder.h" 18018fb62d12d1febf121fe265da5b6117b86a6541egdaniel#include "glsl/GrGLSLProgramDataManager.h" 197ea439b2203855db97330b25945b87dd4b170b8begdaniel#include "glsl/GrGLSLUniformHandler.h" 20c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 212a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org// The effects defined here only handle rrect radii >= kRadiusMin. 222a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.orgstatic const SkScalar kRadiusMin = SK_ScalarHalf; 232a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 242a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 252a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 26b0a8a377f832c59cee939ad721e1f87d378b7142joshualittclass CircularRRectEffect : public GrFragmentProcessor { 27e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.orgpublic: 28f1f66c0c8623805fdb88f09c0d87cbdd1745e12bskia.committer@gmail.com 29dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org enum CornerFlags { 30dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kTopLeft_CornerFlag = (1 << SkRRect::kUpperLeft_Corner), 31dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kTopRight_CornerFlag = (1 << SkRRect::kUpperRight_Corner), 32dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kBottomRight_CornerFlag = (1 << SkRRect::kLowerRight_Corner), 33dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kBottomLeft_CornerFlag = (1 << SkRRect::kLowerLeft_Corner), 34dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org 35dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kLeft_CornerFlags = kTopLeft_CornerFlag | kBottomLeft_CornerFlag, 36dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kTop_CornerFlags = kTopLeft_CornerFlag | kTopRight_CornerFlag, 37dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kRight_CornerFlags = kTopRight_CornerFlag | kBottomRight_CornerFlag, 38dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kBottom_CornerFlags = kBottomLeft_CornerFlag | kBottomRight_CornerFlag, 39dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org 40dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kAll_CornerFlags = kTopLeft_CornerFlag | kTopRight_CornerFlag | 41dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org kBottomLeft_CornerFlag | kBottomRight_CornerFlag, 42dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org 432a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org kNone_CornerFlags = 0 44cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org }; 45cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org 46dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org // The flags are used to indicate which corners are circluar (unflagged corners are assumed to 47dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org // be square). 48b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt static GrFragmentProcessor* Create(GrPrimitiveEdgeType, uint32_t circularCornerFlags, 49b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt const SkRRect&); 50e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 514355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org virtual ~CircularRRectEffect() {}; 52eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 5336352bf5e38f45a70ee4f4fc132a38048d38206dmtklein const char* name() const override { return "CircularRRect"; } 54eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 55e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org const SkRRect& getRRect() const { return fRRect; } 56e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 57dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org uint32_t getCircularCornerFlags() const { return fCircularCornerFlags; } 5806acb58074778d8eb40f14ae72b000d5120a8111skia.committer@gmail.com 59b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } 60cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org 61e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.orgprivate: 62b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt CircularRRectEffect(GrPrimitiveEdgeType, uint32_t circularCornerFlags, const SkRRect&); 63e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 6457d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 65b1daa86732fe70aa4630c89d75ff0fd619d77c77wangyix 6657d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override; 674b3050b410254d0cb38df9a30ae2e209124fa1a2wangyix 6836352bf5e38f45a70ee4f4fc132a38048d38206dmtklein bool onIsEqual(const GrFragmentProcessor& other) const override; 69e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 7036352bf5e38f45a70ee4f4fc132a38048d38206dmtklein void onComputeInvariantOutput(GrInvariantOutput* inout) const override; 711a8ecdfb73a15de600d5779b75d7c4b61863c50begdaniel 72b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt SkRRect fRRect; 73b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrPrimitiveEdgeType fEdgeType; 74b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt uint32_t fCircularCornerFlags; 75e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 76b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GR_DECLARE_FRAGMENT_PROCESSOR_TEST; 77e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 78b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt typedef GrFragmentProcessor INHERITED; 79e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org}; 80e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 81b0a8a377f832c59cee939ad721e1f87d378b7142joshualittGrFragmentProcessor* CircularRRectEffect::Create(GrPrimitiveEdgeType edgeType, 82b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt uint32_t circularCornerFlags, 83b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt const SkRRect& rrect) { 84b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt if (kFillAA_GrProcessorEdgeType != edgeType && kInverseFillAA_GrProcessorEdgeType != edgeType) { 8596fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 863eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org } 87385fe4d4b62d7d1dd76116dd570df3290a2f487bhalcanary return new CircularRRectEffect(edgeType, circularCornerFlags, rrect); 88e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org} 89e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 90605dd0fbce9dbb2a0d3313e13e161f2bd54870d7egdanielvoid CircularRRectEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { 9156995b5cc00c9c83bd5fcf86bca9a67e939a96cbjoshualitt inout->mulByUnknownSingleComponent(); 92e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org} 93e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 94b0a8a377f832c59cee939ad721e1f87d378b7142joshualittCircularRRectEffect::CircularRRectEffect(GrPrimitiveEdgeType edgeType, uint32_t circularCornerFlags, 95b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt const SkRRect& rrect) 96cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org : fRRect(rrect) 97fbde87f53d659ae2bd616751e466c887b0f3bee5commit-bot@chromium.org , fEdgeType(edgeType) 98dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org , fCircularCornerFlags(circularCornerFlags) { 99eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt this->initClassID<CircularRRectEffect>(); 100e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org this->setWillReadFragmentPosition(); 101e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org} 102e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 1030e08fc17e4718f7ce4e38f793695896473e96948bsalomonbool CircularRRectEffect::onIsEqual(const GrFragmentProcessor& other) const { 10449586bec7383d4ccb81f85f8e2dc4162e2d4f6a8joshualitt const CircularRRectEffect& crre = other.cast<CircularRRectEffect>(); 1054355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // The corner flags are derived from fRRect, so no need to check them. 1064355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org return fEdgeType == crre.fEdgeType && fRRect == crre.fRRect; 107e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org} 108e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 109e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 110e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 111b0a8a377f832c59cee939ad721e1f87d378b7142joshualittGR_DEFINE_FRAGMENT_PROCESSOR_TEST(CircularRRectEffect); 112e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 113c21b09eec91c9e263cb0b88467ea44e348ed4962bsalomonconst GrFragmentProcessor* CircularRRectEffect::TestCreate(GrProcessorTestData* d) { 1140067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt SkScalar w = d->fRandom->nextRangeScalar(20.f, 1000.f); 1150067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt SkScalar h = d->fRandom->nextRangeScalar(20.f, 1000.f); 1160067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt SkScalar r = d->fRandom->nextRangeF(kRadiusMin, 9.f); 117e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org SkRRect rrect; 118e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org rrect.setRectXY(SkRect::MakeWH(w, h), r, r); 119b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrFragmentProcessor* fp; 120cabf4b2f3664b98c1084fbb94a999af15ddfb52dcommit-bot@chromium.org do { 121b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrPrimitiveEdgeType et = 1220067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt (GrPrimitiveEdgeType)d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt); 123b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt fp = GrRRectEffect::Create(et, rrect); 12496fcdcc219d2a0d3579719b84b28bede76efba64halcanary } while (nullptr == fp); 125b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt return fp; 126e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org} 127c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 128c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 129e5280893f8f9f6b6149572a4c8fe513f9c2b3888commit-bot@chromium.org 13064c4728c70001ed074fecf5c4e083781987b12e9egdanielclass GLCircularRRectEffect : public GrGLSLFragmentProcessor { 131c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.orgpublic: 1329cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips GLCircularRRectEffect() { 1339cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips fPrevRRect.setEmpty(); 1349cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips } 135c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 1367c157a988845fb00f9024d6db6dda142c3458033wangyix virtual void emitCode(EmitArgs&) override; 137c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 138cfc18867d982119d9dc2888bf09f1093012daaddjvanverth static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*); 139c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 140b1daa86732fe70aa4630c89d75ff0fd619d77c77wangyixprotected: 141018fb62d12d1febf121fe265da5b6117b86a6541egdaniel void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; 142c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 143c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.orgprivate: 144018fb62d12d1febf121fe265da5b6117b86a6541egdaniel GrGLSLProgramDataManager::UniformHandle fInnerRectUniform; 145018fb62d12d1febf121fe265da5b6117b86a6541egdaniel GrGLSLProgramDataManager::UniformHandle fRadiusPlusHalfUniform; 146bf536af15f4c176d3bef65b77b7592718bfd9068robertphillips SkRRect fPrevRRect; 14764c4728c70001ed074fecf5c4e083781987b12e9egdaniel typedef GrGLSLFragmentProcessor INHERITED; 148c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org}; 149c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 1507c157a988845fb00f9024d6db6dda142c3458033wangyixvoid GLCircularRRectEffect::emitCode(EmitArgs& args) { 1517c157a988845fb00f9024d6db6dda142c3458033wangyix const CircularRRectEffect& crre = args.fFp.cast<CircularRRectEffect>(); 1527ea439b2203855db97330b25945b87dd4b170b8begdaniel GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; 153c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org const char *rectName; 154c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org const char *radiusPlusHalfName; 155c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org // The inner rect is the rrect bounds inset by the radius. Its left, top, right, and bottom 156c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org // edges correspond to components x, y, z, and w, respectively. When a side of the rrect has 157c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org // only rectangular corners, that side's value corresponds to the rect edge's value outset by 158c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org // half a pixel. 1595e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fInnerRectUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 1607ea439b2203855db97330b25945b87dd4b170b8begdaniel kVec4f_GrSLType, kDefault_GrSLPrecision, 1617ea439b2203855db97330b25945b87dd4b170b8begdaniel "innerRect", 1627ea439b2203855db97330b25945b87dd4b170b8begdaniel &rectName); 163cd0749144383d78a10a5df00e2e96e76456b412bbsalomon // x is (r + .5) and y is 1/(r + .5) 1645e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fRadiusPlusHalfUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 165cd0749144383d78a10a5df00e2e96e76456b412bbsalomon kVec2f_GrSLType, kDefault_GrSLPrecision, 1667ea439b2203855db97330b25945b87dd4b170b8begdaniel "radiusPlusHalf", 1677ea439b2203855db97330b25945b87dd4b170b8begdaniel &radiusPlusHalfName); 1682d721d33aad192cc8a7a1321504b39bdca2a57ceegdaniel 169cd0749144383d78a10a5df00e2e96e76456b412bbsalomon // If we're on a device with a "real" mediump then the length calculation could overflow. 170cd0749144383d78a10a5df00e2e96e76456b412bbsalomon SkString clampedCircleDistance; 171cd0749144383d78a10a5df00e2e96e76456b412bbsalomon if (args.fGLSLCaps->floatPrecisionVaries()) { 172cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.printf("clamp(%s.x * (1.0 - length(dxy * %s.y)), 0.0, 1.0);", 173cd0749144383d78a10a5df00e2e96e76456b412bbsalomon radiusPlusHalfName, radiusPlusHalfName); 174cd0749144383d78a10a5df00e2e96e76456b412bbsalomon } else { 175cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.printf("clamp(%s.x - length(dxy), 0.0, 1.0);", radiusPlusHalfName); 176cd0749144383d78a10a5df00e2e96e76456b412bbsalomon } 177cd0749144383d78a10a5df00e2e96e76456b412bbsalomon 1788528541dd7f09f5bd76f3f1ce5f45d08ac7347c7cdalton GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 1794ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel const char* fragmentPos = fragBuilder->fragmentPosition(); 180c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // At each quarter-circle corner we compute a vector that is the offset of the fragment position 181c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // from the circle center. The vector is pinned in x and y to be in the quarter-plane relevant 182c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // to that corner. This means that points near the interior near the rrect top edge will have 183c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // a vector that points straight up for both the TL left and TR corners. Computing an 184c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // alpha from this vector at either the TR or TL corner will give the correct result. Similarly, 185c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // fragments near the other three edges will get the correct AA. Fragments in the interior of 186c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // the rrect will have a (0,0) vector at all four corners. So long as the radius > 0.5 they will 187c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // correctly produce an alpha value of 1 at all four corners. We take the min of all the alphas. 188c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // The code below is a simplified version of the above that performs maxs on the vector 189c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // components before computing distances and alpha values so that only one distance computation 190c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org // need be computed to determine the min alpha. 191cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org // 192cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org // For the cases where one half of the rrect is rectangular we drop one of the x or y 193cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org // computations, compute a separate rect edge alpha for the rect side, and mul the two computed 194cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org // alphas together. 1954355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org switch (crre.getCircularCornerFlags()) { 1964355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kAll_CornerFlags: 197cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - %s.xy;", rectName, fragmentPos); 198cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy1 = %s.xy - %s.zw;", fragmentPos, rectName); 199cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);"); 200cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = %s;", clampedCircleDistance.c_str()); 201cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 2024355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopLeft_CornerFlag: 203cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy = max(%s.xy - %s.xy, 0.0);", 2044ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 205cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);", 2064ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 207cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);", 2084ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 209cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = bottomAlpha * rightAlpha * %s;", 210cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 211c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 2124355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopRight_CornerFlag: 213cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy = max(vec2(%s.x - %s.z, %s.y - %s.y), 0.0);", 2144ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName, rectName, fragmentPos); 215cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);", 2164ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 217cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);", 2184ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 219cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = bottomAlpha * leftAlpha * %s;", 220cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 221c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 2224355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomRight_CornerFlag: 223cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy = max(%s.xy - %s.zw, 0.0);", 2244ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 225cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);", 2264ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 227cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);", 2284ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 229cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = topAlpha * leftAlpha * %s;", 230cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 231c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 2324355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomLeft_CornerFlag: 233cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy = max(vec2(%s.x - %s.x, %s.y - %s.w), 0.0);", 2344ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos, fragmentPos, rectName); 235cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);", 2364ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 237cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);", 2384ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 239cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = topAlpha * rightAlpha * %s;", 240cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 241c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 2424355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kLeft_CornerFlags: 243cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - %s.xy;", rectName, fragmentPos); 244cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float dy1 = %s.y - %s.w;", fragmentPos, rectName); 245cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("vec2 dxy = max(vec2(dxy0.x, max(dxy0.y, dy1)), 0.0);"); 246cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);", 2474ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 248cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = rightAlpha * %s;", 249cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 250cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 2514355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTop_CornerFlags: 252cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - %s.xy;", rectName, fragmentPos); 253cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float dx1 = %s.x - %s.z;", fragmentPos, rectName); 254cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("vec2 dxy = max(vec2(max(dxy0.x, dx1), dxy0.y), 0.0);"); 255cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);", 2564ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel rectName, fragmentPos); 257cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = bottomAlpha * %s;", 258cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 259cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 2604355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kRight_CornerFlags: 261cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float dy0 = %s.y - %s.y;", rectName, fragmentPos); 262cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy1 = %s.xy - %s.zw;", fragmentPos, rectName); 263cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("vec2 dxy = max(vec2(dxy1.x, max(dy0, dxy1.y)), 0.0);"); 264cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);", 2654ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 266cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = leftAlpha * %s;", 267cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 268cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 2694355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottom_CornerFlags: 270cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float dx0 = %s.x - %s.x;", rectName, fragmentPos); 271cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("vec2 dxy1 = %s.xy - %s.zw;", fragmentPos, rectName); 272cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("vec2 dxy = max(vec2(max(dx0, dxy1.x), dxy1.y), 0.0);"); 273cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);", 2744ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel fragmentPos, rectName); 275cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("float alpha = topAlpha * %s;", 276cd0749144383d78a10a5df00e2e96e76456b412bbsalomon clampedCircleDistance.c_str()); 277cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 278cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 27906acb58074778d8eb40f14ae72b000d5120a8111skia.committer@gmail.com 280b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt if (kInverseFillAA_GrProcessorEdgeType == crre.getEdgeType()) { 281cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppend("alpha = 1.0 - alpha;"); 282fbde87f53d659ae2bd616751e466c887b0f3bee5commit-bot@chromium.org } 283c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 284cd0749144383d78a10a5df00e2e96e76456b412bbsalomon fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, 2854ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")).c_str()); 286c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org} 287c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 288cfc18867d982119d9dc2888bf09f1093012daaddjvanverthvoid GLCircularRRectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&, 289b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrProcessorKeyBuilder* b) { 290b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt const CircularRRectEffect& crre = processor.cast<CircularRRectEffect>(); 291b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GR_STATIC_ASSERT(kGrProcessorEdgeTypeCnt <= 8); 29263e99f7a03b2ac90ae7a00232674fd39c0bdcc68bsalomon b->add32((crre.getCircularCornerFlags() << 3) | crre.getEdgeType()); 293cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org} 294cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org 295018fb62d12d1febf121fe265da5b6117b86a6541egdanielvoid GLCircularRRectEffect::onSetData(const GrGLSLProgramDataManager& pdman, 296018fb62d12d1febf121fe265da5b6117b86a6541egdaniel const GrProcessor& processor) { 297b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt const CircularRRectEffect& crre = processor.cast<CircularRRectEffect>(); 2984355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org const SkRRect& rrect = crre.getRRect(); 299c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org if (rrect != fPrevRRect) { 300c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org SkRect rect = rrect.getBounds(); 301cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org SkScalar radius = 0; 3024355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org switch (crre.getCircularCornerFlags()) { 3034355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kAll_CornerFlags: 304cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org SkASSERT(rrect.isSimpleCircular()); 305cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org radius = rrect.getSimpleRadii().fX; 3062a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(radius >= kRadiusMin); 307cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.inset(radius, radius); 308cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 3094355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopLeft_CornerFlag: 310c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org radius = rrect.radii(SkRRect::kUpperLeft_Corner).fX; 311c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fLeft += radius; 312c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fTop += radius; 313c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fRight += 0.5f; 314c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fBottom += 0.5f; 315c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 3164355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopRight_CornerFlag: 317c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org radius = rrect.radii(SkRRect::kUpperRight_Corner).fX; 318de9f251427ccb35fa4d55b5efc97c1b31721cf78bsalomon@google.com rect.fLeft -= 0.5f; 319c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fTop += radius; 320c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fRight -= radius; 321c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fBottom += 0.5f; 322c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 3234355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomRight_CornerFlag: 324c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org radius = rrect.radii(SkRRect::kLowerRight_Corner).fX; 325de9f251427ccb35fa4d55b5efc97c1b31721cf78bsalomon@google.com rect.fLeft -= 0.5f; 326de9f251427ccb35fa4d55b5efc97c1b31721cf78bsalomon@google.com rect.fTop -= 0.5f; 327c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fRight -= radius; 328c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fBottom -= radius; 329c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 3304355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomLeft_CornerFlag: 331c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org radius = rrect.radii(SkRRect::kLowerLeft_Corner).fX; 332c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fLeft += radius; 333de9f251427ccb35fa4d55b5efc97c1b31721cf78bsalomon@google.com rect.fTop -= 0.5f; 334de9f251427ccb35fa4d55b5efc97c1b31721cf78bsalomon@google.com rect.fRight += 0.5f; 335c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org rect.fBottom -= radius; 336c5c748c14797ae49ba73999a63e3b07315c888e1commit-bot@chromium.org break; 3374355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kLeft_CornerFlags: 338cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org radius = rrect.radii(SkRRect::kUpperLeft_Corner).fX; 339cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fLeft += radius; 340cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fTop += radius; 341cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fRight += 0.5f; 342cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fBottom -= radius; 343cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 3444355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTop_CornerFlags: 345cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org radius = rrect.radii(SkRRect::kUpperLeft_Corner).fX; 346cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fLeft += radius; 347cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fTop += radius; 348cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fRight -= radius; 349cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fBottom += 0.5f; 350cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 3514355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kRight_CornerFlags: 352cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org radius = rrect.radii(SkRRect::kUpperRight_Corner).fX; 353cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fLeft -= 0.5f; 354cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fTop += radius; 355cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fRight -= radius; 356cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fBottom -= radius; 357cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 3584355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottom_CornerFlags: 359cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org radius = rrect.radii(SkRRect::kLowerLeft_Corner).fX; 360cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fLeft += radius; 361cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fTop -= 0.5f; 362cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fRight -= radius; 363cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org rect.fBottom -= radius; 364cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org break; 365dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org default: 36688cb22b6b4816c7a9ca6c5b795965b4606f9eb7bcommit-bot@chromium.org SkFAIL("Should have been one of the above cases."); 367cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 3687510b224e52b9518a8ddf7418db0e9c258f79539kkinnunen pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom); 369cd0749144383d78a10a5df00e2e96e76456b412bbsalomon radius += 0.5f; 370cd0749144383d78a10a5df00e2e96e76456b412bbsalomon pdman.set2f(fRadiusPlusHalfUniform, radius, 1.f / radius); 371c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org fPrevRRect = rrect; 372c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org } 373c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org} 374c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 375eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt//////////////////////////////////////////////////////////////////////////////////////////////////// 376c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org 37757d3b039c635945e1dc2fcbac3462ed8bfedb068egdanielvoid CircularRRectEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, 37857d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel GrProcessorKeyBuilder* b) const { 379eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt GLCircularRRectEffect::GenKey(*this, caps, b); 380eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt} 381eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 38257d3b039c635945e1dc2fcbac3462ed8bfedb068egdanielGrGLSLFragmentProcessor* CircularRRectEffect::onCreateGLSLInstance() const { 3839cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips return new GLCircularRRectEffect; 384eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt} 385eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 386eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt////////////////////////////////////////////////////////////////////////////// 3874355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 388b0a8a377f832c59cee939ad721e1f87d378b7142joshualittclass EllipticalRRectEffect : public GrFragmentProcessor { 3894355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.orgpublic: 390b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt static GrFragmentProcessor* Create(GrPrimitiveEdgeType, const SkRRect&); 3914355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 3924355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org virtual ~EllipticalRRectEffect() {}; 3934355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 39436352bf5e38f45a70ee4f4fc132a38048d38206dmtklein const char* name() const override { return "EllipticalRRect"; } 3954355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 396eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt const SkRRect& getRRect() const { return fRRect; } 3974355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 398eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; } 3994355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4004355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.orgprivate: 401b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt EllipticalRRectEffect(GrPrimitiveEdgeType, const SkRRect&); 4024355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 40357d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 404b1daa86732fe70aa4630c89d75ff0fd619d77c77wangyix 40557d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override; 4064b3050b410254d0cb38df9a30ae2e209124fa1a2wangyix 40736352bf5e38f45a70ee4f4fc132a38048d38206dmtklein bool onIsEqual(const GrFragmentProcessor& other) const override; 4084355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 40936352bf5e38f45a70ee4f4fc132a38048d38206dmtklein void onComputeInvariantOutput(GrInvariantOutput* inout) const override; 4101a8ecdfb73a15de600d5779b75d7c4b61863c50begdaniel 4114355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org SkRRect fRRect; 412b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrPrimitiveEdgeType fEdgeType; 4134355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 414b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GR_DECLARE_FRAGMENT_PROCESSOR_TEST; 4154355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 416b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt typedef GrFragmentProcessor INHERITED; 4174355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org}; 4184355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 419b0a8a377f832c59cee939ad721e1f87d378b7142joshualittGrFragmentProcessor* 420b0a8a377f832c59cee939ad721e1f87d378b7142joshualittEllipticalRRectEffect::Create(GrPrimitiveEdgeType edgeType, const SkRRect& rrect) { 421b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt if (kFillAA_GrProcessorEdgeType != edgeType && kInverseFillAA_GrProcessorEdgeType != edgeType) { 42296fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 4233eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org } 424385fe4d4b62d7d1dd76116dd570df3290a2f487bhalcanary return new EllipticalRRectEffect(edgeType, rrect); 4254355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 4264355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 427605dd0fbce9dbb2a0d3313e13e161f2bd54870d7egdanielvoid EllipticalRRectEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { 42856995b5cc00c9c83bd5fcf86bca9a67e939a96cbjoshualitt inout->mulByUnknownSingleComponent(); 4294355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 4304355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 431b0a8a377f832c59cee939ad721e1f87d378b7142joshualittEllipticalRRectEffect::EllipticalRRectEffect(GrPrimitiveEdgeType edgeType, const SkRRect& rrect) 4324355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org : fRRect(rrect) 433eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt , fEdgeType(edgeType) { 434eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt this->initClassID<EllipticalRRectEffect>(); 4354355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org this->setWillReadFragmentPosition(); 4364355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 4374355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4380e08fc17e4718f7ce4e38f793695896473e96948bsalomonbool EllipticalRRectEffect::onIsEqual(const GrFragmentProcessor& other) const { 43949586bec7383d4ccb81f85f8e2dc4162e2d4f6a8joshualitt const EllipticalRRectEffect& erre = other.cast<EllipticalRRectEffect>(); 4404355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org return fEdgeType == erre.fEdgeType && fRRect == erre.fRRect; 4414355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 4424355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4434355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 4444355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 445b0a8a377f832c59cee939ad721e1f87d378b7142joshualittGR_DEFINE_FRAGMENT_PROCESSOR_TEST(EllipticalRRectEffect); 4464355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 447c21b09eec91c9e263cb0b88467ea44e348ed4962bsalomonconst GrFragmentProcessor* EllipticalRRectEffect::TestCreate(GrProcessorTestData* d) { 4480067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt SkScalar w = d->fRandom->nextRangeScalar(20.f, 1000.f); 4490067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt SkScalar h = d->fRandom->nextRangeScalar(20.f, 1000.f); 450fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org SkVector r[4]; 4510067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt r[SkRRect::kUpperLeft_Corner].fX = d->fRandom->nextRangeF(kRadiusMin, 9.f); 452fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // ensure at least one corner really is elliptical 453fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org do { 4540067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt r[SkRRect::kUpperLeft_Corner].fY = d->fRandom->nextRangeF(kRadiusMin, 9.f); 455fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } while (r[SkRRect::kUpperLeft_Corner].fY == r[SkRRect::kUpperLeft_Corner].fX); 456fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org 4574355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org SkRRect rrect; 4580067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt if (d->fRandom->nextBool()) { 459fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // half the time create a four-radii rrect. 4600067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt r[SkRRect::kLowerRight_Corner].fX = d->fRandom->nextRangeF(kRadiusMin, 9.f); 4610067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt r[SkRRect::kLowerRight_Corner].fY = d->fRandom->nextRangeF(kRadiusMin, 9.f); 462fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org 463fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org r[SkRRect::kUpperRight_Corner].fX = r[SkRRect::kLowerRight_Corner].fX; 464fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org r[SkRRect::kUpperRight_Corner].fY = r[SkRRect::kUpperLeft_Corner].fY; 465fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org 466fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org r[SkRRect::kLowerLeft_Corner].fX = r[SkRRect::kUpperLeft_Corner].fX; 467fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org r[SkRRect::kLowerLeft_Corner].fY = r[SkRRect::kLowerRight_Corner].fY; 468fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org 469fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rrect.setRectRadii(SkRect::MakeWH(w, h), r); 470fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } else { 471fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rrect.setRectXY(SkRect::MakeWH(w, h), r[SkRRect::kUpperLeft_Corner].fX, 472fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org r[SkRRect::kUpperLeft_Corner].fY); 473fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 474b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrFragmentProcessor* fp; 4754355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org do { 4760067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt GrPrimitiveEdgeType et = 4770067ff5e0f85084dd2b5ad9886b526482b89a116joshualitt (GrPrimitiveEdgeType)d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt); 478b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt fp = GrRRectEffect::Create(et, rrect); 47996fcdcc219d2a0d3579719b84b28bede76efba64halcanary } while (nullptr == fp); 480b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt return fp; 4814355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 4824355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4834355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 4844355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 48564c4728c70001ed074fecf5c4e083781987b12e9egdanielclass GLEllipticalRRectEffect : public GrGLSLFragmentProcessor { 4864355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.orgpublic: 4879cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips GLEllipticalRRectEffect() { 4889cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips fPrevRRect.setEmpty(); 4899cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips } 4904355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4919cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips void emitCode(EmitArgs&) override; 4924355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 493cfc18867d982119d9dc2888bf09f1093012daaddjvanverth static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*); 4944355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 495b1daa86732fe70aa4630c89d75ff0fd619d77c77wangyixprotected: 496018fb62d12d1febf121fe265da5b6117b86a6541egdaniel void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; 4974355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 4984355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.orgprivate: 499018fb62d12d1febf121fe265da5b6117b86a6541egdaniel GrGLSLProgramDataManager::UniformHandle fInnerRectUniform; 500018fb62d12d1febf121fe265da5b6117b86a6541egdaniel GrGLSLProgramDataManager::UniformHandle fInvRadiiSqdUniform; 501e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon GrGLSLProgramDataManager::UniformHandle fScaleUniform; 502e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon SkRRect fPrevRRect; 50364c4728c70001ed074fecf5c4e083781987b12e9egdaniel typedef GrGLSLFragmentProcessor INHERITED; 5044355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org}; 5054355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 5067c157a988845fb00f9024d6db6dda142c3458033wangyixvoid GLEllipticalRRectEffect::emitCode(EmitArgs& args) { 5077c157a988845fb00f9024d6db6dda142c3458033wangyix const EllipticalRRectEffect& erre = args.fFp.cast<EllipticalRRectEffect>(); 5087ea439b2203855db97330b25945b87dd4b170b8begdaniel GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; 5094355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org const char *rectName; 5104355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // The inner rect is the rrect bounds inset by the x/y radii 5115e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fInnerRectUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 5127ea439b2203855db97330b25945b87dd4b170b8begdaniel kVec4f_GrSLType, kDefault_GrSLPrecision, 5137ea439b2203855db97330b25945b87dd4b170b8begdaniel "innerRect", 5147ea439b2203855db97330b25945b87dd4b170b8begdaniel &rectName); 51530ba436f04e61d4505fb854d5fc56079636e0788joshualitt 5168528541dd7f09f5bd76f3f1ce5f45d08ac7347c7cdalton GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 5174ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel const char* fragmentPos = fragBuilder->fragmentPosition(); 5184355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // At each quarter-ellipse corner we compute a vector that is the offset of the fragment pos 5194355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // to the ellipse center. The vector is pinned in x and y to be in the quarter-plane relevant 5204355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // to that corner. This means that points near the interior near the rrect top edge will have 5214355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // a vector that points straight up for both the TL left and TR corners. Computing an 5224355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // alpha from this vector at either the TR or TL corner will give the correct result. Similarly, 5234355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // fragments near the other three edges will get the correct AA. Fragments in the interior of 5244355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // the rrect will have a (0,0) vector at all four corners. So long as the radii > 0.5 they will 5254355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // correctly produce an alpha value of 1 at all four corners. We take the min of all the alphas. 526c41f4d60559b0891353f8028d521b52e7a36d5dabsalomon // 5274355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // The code below is a simplified version of the above that performs maxs on the vector 5284355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // components before computing distances and alpha values so that only one distance computation 5294355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // need be computed to determine the min alpha. 530e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - %s.xy;", rectName, fragmentPos); 531e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("vec2 dxy1 = %s.xy - %s.zw;", fragmentPos, rectName); 532e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 533e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon // If we're on a device with a "real" mediump then we'll do the distance computation in a space 534e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon // that is normalized by the largest radius. The scale uniform will be scale, 1/scale. The 535e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon // radii uniform values are already in this normalized space. 536e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon const char* scaleName = nullptr; 537e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (args.fGLSLCaps->floatPrecisionVaries()) { 5385e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fScaleUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 539e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon kVec2f_GrSLType, kDefault_GrSLPrecision, 540e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon "scale", &scaleName); 541e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 542e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 543c41f4d60559b0891353f8028d521b52e7a36d5dabsalomon // The uniforms with the inv squared radii are highp to prevent underflow. 5449615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org switch (erre.getRRect().getType()) { 5459615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org case SkRRect::kSimple_Type: { 546fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org const char *invRadiiXYSqdName; 5475e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fInvRadiiSqdUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 5485e58ceea8569f0d90ff7e3daf5de2def50407212cdalton kVec2f_GrSLType, 5495e58ceea8569f0d90ff7e3daf5de2def50407212cdalton kDefault_GrSLPrecision, 5505e58ceea8569f0d90ff7e3daf5de2def50407212cdalton "invRadiiXY", 5515e58ceea8569f0d90ff7e3daf5de2def50407212cdalton &invRadiiXYSqdName); 552e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);"); 553e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (scaleName) { 554e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("dxy *= %s.y;", scaleName); 555e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 556fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // Z is the x/y offsets divided by squared radii. 557e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("vec2 Z = dxy * %s.xy;", invRadiiXYSqdName); 558fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 559fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 5609615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org case SkRRect::kNinePatch_Type: { 561fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org const char *invRadiiLTRBSqdName; 5625e58ceea8569f0d90ff7e3daf5de2def50407212cdalton fInvRadiiSqdUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, 5635e58ceea8569f0d90ff7e3daf5de2def50407212cdalton kVec4f_GrSLType, 5645e58ceea8569f0d90ff7e3daf5de2def50407212cdalton kDefault_GrSLPrecision, 5655e58ceea8569f0d90ff7e3daf5de2def50407212cdalton "invRadiiLTRB", 5665e58ceea8569f0d90ff7e3daf5de2def50407212cdalton &invRadiiLTRBSqdName); 567e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (scaleName) { 568e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("dxy0 *= %s.y;", scaleName); 569e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("dxy1 *= %s.y;", scaleName); 570e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 571e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);"); 572fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // Z is the x/y offsets divided by squared radii. We only care about the (at most) one 573fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // corner where both the x and y offsets are positive, hence the maxes. (The inverse 574fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org // squared radii will always be positive.) 575e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("vec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);", 5764ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel invRadiiLTRBSqdName, invRadiiLTRBSqdName); 577e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 578fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 5799615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org } 5809615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org default: 58188cb22b6b4816c7a9ca6c5b795965b4606f9eb7bcommit-bot@chromium.org SkFAIL("RRect should always be simple or nine-patch."); 582fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 5834355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // implicit is the evaluation of (x/a)^2 + (y/b)^2 - 1. 584e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("float implicit = dot(Z, dxy) - 1.0;"); 5854355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org // grad_dot is the squared length of the gradient of the implicit. 586e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("float grad_dot = 4.0 * dot(Z, Z);"); 5871b035d82d2b8b50ae334463edd06e4c5e0639311commit-bot@chromium.org // avoid calling inversesqrt on zero. 588e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("grad_dot = max(grad_dot, 1.0e-4);"); 589e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("float approx_dist = implicit * inversesqrt(grad_dot);"); 590e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (scaleName) { 591e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("approx_dist *= %s.x;", scaleName); 592e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 5934355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 594b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt if (kFillAA_GrProcessorEdgeType == erre.getEdgeType()) { 595e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("float alpha = clamp(0.5 - approx_dist, 0.0, 1.0);"); 5964355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org } else { 597e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppend("float alpha = clamp(0.5 + approx_dist, 0.0, 1.0);"); 5984355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org } 5994355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 600e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, 6014ca2e6034365ad280ec64473f7f1d72ebd8335e4egdaniel (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")).c_str()); 6024355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 6034355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 604cfc18867d982119d9dc2888bf09f1093012daaddjvanverthvoid GLEllipticalRRectEffect::GenKey(const GrProcessor& effect, const GrGLSLCaps&, 605b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrProcessorKeyBuilder* b) { 60649586bec7383d4ccb81f85f8e2dc4162e2d4f6a8joshualitt const EllipticalRRectEffect& erre = effect.cast<EllipticalRRectEffect>(); 607b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GR_STATIC_ASSERT(kLast_GrProcessorEdgeType < (1 << 3)); 60863e99f7a03b2ac90ae7a00232674fd39c0bdcc68bsalomon b->add32(erre.getRRect().getType() | erre.getEdgeType() << 3); 6094355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 6104355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 611018fb62d12d1febf121fe265da5b6117b86a6541egdanielvoid GLEllipticalRRectEffect::onSetData(const GrGLSLProgramDataManager& pdman, 612018fb62d12d1febf121fe265da5b6117b86a6541egdaniel const GrProcessor& effect) { 61349586bec7383d4ccb81f85f8e2dc4162e2d4f6a8joshualitt const EllipticalRRectEffect& erre = effect.cast<EllipticalRRectEffect>(); 6144355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org const SkRRect& rrect = erre.getRRect(); 615e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon // If we're using a scale factor to work around precision issues, choose the largest radius 616e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon // as the scale factor. The inv radii need to be pre-adjusted by the scale factor. 6174355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org if (rrect != fPrevRRect) { 6184355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org SkRect rect = rrect.getBounds(); 619fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org const SkVector& r0 = rrect.radii(SkRRect::kUpperLeft_Corner); 6202a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(r0.fX >= kRadiusMin); 6212a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(r0.fY >= kRadiusMin); 6229615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org switch (erre.getRRect().getType()) { 6239615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org case SkRRect::kSimple_Type: 624fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rect.inset(r0.fX, r0.fY); 625e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (fScaleUniform.isValid()) { 626e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (r0.fX > r0.fY) { 627e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fInvRadiiSqdUniform, 1.f, (r0.fX * r0.fX) / (r0.fY * r0.fY)); 628e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fScaleUniform, r0.fX, 1.f / r0.fX); 629e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } else { 630e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fInvRadiiSqdUniform, (r0.fY * r0.fY) / (r0.fX * r0.fX), 1.f); 631e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fScaleUniform, r0.fY, 1.f / r0.fY); 632e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 633e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } else { 634e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX), 635e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 1.f / (r0.fY * r0.fY)); 636e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 637fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 6389615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org case SkRRect::kNinePatch_Type: { 639fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org const SkVector& r1 = rrect.radii(SkRRect::kLowerRight_Corner); 6402a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(r1.fX >= kRadiusMin); 6412a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(r1.fY >= kRadiusMin); 642fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rect.fLeft += r0.fX; 643fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rect.fTop += r0.fY; 644fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rect.fRight -= r1.fX; 645fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org rect.fBottom -= r1.fY; 646e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon if (fScaleUniform.isValid()) { 647e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon float scale = SkTMax(SkTMax(r0.fX, r0.fY), SkTMax(r1.fX, r1.fY)); 648e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon float scaleSqd = scale * scale; 649e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set4f(fInvRadiiSqdUniform, scaleSqd / (r0.fX * r0.fX), 650e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon scaleSqd / (r0.fY * r0.fY), 651e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon scaleSqd / (r1.fX * r1.fX), 652e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon scaleSqd / (r1.fY * r1.fY)); 653e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set2f(fScaleUniform, scale, 1.f / scale); 654e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } else { 655e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon pdman.set4f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX), 656e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 1.f / (r0.fY * r0.fY), 657e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 1.f / (r1.fX * r1.fX), 658e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon 1.f / (r1.fY * r1.fY)); 659e87256c46291f7ce10f1d9a1d691d01ecf4eb3ccbsalomon } 660fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 661fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 6629615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org default: 66388cb22b6b4816c7a9ca6c5b795965b4606f9eb7bcommit-bot@chromium.org SkFAIL("RRect should always be simple or nine-patch."); 664fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 6657510b224e52b9518a8ddf7418db0e9c258f79539kkinnunen pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom); 6664355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org fPrevRRect = rrect; 6674355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org } 6684355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org} 6694355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 670eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt//////////////////////////////////////////////////////////////////////////////////////////////////// 671eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 67257d3b039c635945e1dc2fcbac3462ed8bfedb068egdanielvoid EllipticalRRectEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, 67357d3b039c635945e1dc2fcbac3462ed8bfedb068egdaniel GrProcessorKeyBuilder* b) const { 674eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt GLEllipticalRRectEffect::GenKey(*this, caps, b); 675eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt} 676eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 67757d3b039c635945e1dc2fcbac3462ed8bfedb068egdanielGrGLSLFragmentProcessor* EllipticalRRectEffect::onCreateGLSLInstance() const { 6789cdb9920fcad286ecf7875ea19902022b644fbdcrobertphillips return new GLEllipticalRRectEffect; 679eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt} 680eb2a6761654307e8aeeeaabdd63c6bf9ab0411e9joshualitt 6814355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org////////////////////////////////////////////////////////////////////////////// 6824355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org 683b0a8a377f832c59cee939ad721e1f87d378b7142joshualittGrFragmentProcessor* GrRRectEffect::Create(GrPrimitiveEdgeType edgeType, const SkRRect& rrect) { 6842a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (rrect.isRect()) { 6852a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org return GrConvexPolyEffect::Create(edgeType, rrect.getBounds()); 6862a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 6872a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 6883eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org if (rrect.isOval()) { 6893eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org return GrOvalEffect::Create(edgeType, rrect.getBounds()); 6903eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org } 6913eedb801e35001df4b7e154edf4fd8da942296a0commit-bot@chromium.org 6924355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org if (rrect.isSimple()) { 6932a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (rrect.getSimpleRadii().fX < kRadiusMin || rrect.getSimpleRadii().fY < kRadiusMin) { 6942a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // In this case the corners are extremely close to rectangular and we collapse the 6952a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // clip to a rectangular clip. 6962a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org return GrConvexPolyEffect::Create(edgeType, rrect.getBounds()); 6972a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 6984355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org if (rrect.getSimpleRadii().fX == rrect.getSimpleRadii().fY) { 6996e4eb21d9c4cf10585b705d1a0ded8cafef29adcskia.committer@gmail.com return CircularRRectEffect::Create(edgeType, CircularRRectEffect::kAll_CornerFlags, 7002a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org rrect); 7014355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org } else { 7029615d5fc040e7302ce870639ab221233f56fff7ccommit-bot@chromium.org return EllipticalRRectEffect::Create(edgeType, rrect); 703cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 7042a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 7052a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 7062a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (rrect.isComplex() || rrect.isNinePatch()) { 707cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org // Check for the "tab" cases - two adjacent circular corners and two square corners. 7082a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkScalar circularRadius = 0; 7092a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org uint32_t cornerFlags = 0; 7102a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 7112a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkVector radii[4]; 7122a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org bool squashedRadii = false; 713cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org for (int c = 0; c < 4; ++c) { 7142a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org radii[c] = rrect.radii((SkRRect::Corner)c); 7152a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT((0 == radii[c].fX) == (0 == radii[c].fY)); 7162a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (0 == radii[c].fX) { 7172a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // The corner is square, so no need to squash or flag as circular. 7182a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org continue; 7192a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 7202a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (radii[c].fX < kRadiusMin || radii[c].fY < kRadiusMin) { 7212a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org radii[c].set(0, 0); 7222a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org squashedRadii = true; 723cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org continue; 724cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 7252a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (radii[c].fX != radii[c].fY) { 72644a435bc1ac84748d5bec420c7c5fe09171fd971bsalomon@google.com cornerFlags = ~0U; 727fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 728cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 729dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org if (!cornerFlags) { 7302a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org circularRadius = radii[c].fX; 731dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org cornerFlags = 1 << c; 732cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } else { 7332a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (radii[c].fX != circularRadius) { 73444a435bc1ac84748d5bec420c7c5fe09171fd971bsalomon@google.com cornerFlags = ~0U; 735fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org break; 736cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 737dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org cornerFlags |= 1 << c; 738cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 739cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 740cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org 741dd58422b4b2bffb0f7b5bdc047d0f93bd93813b4commit-bot@chromium.org switch (cornerFlags) { 7422a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org case CircularRRectEffect::kAll_CornerFlags: 7432a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // This rrect should have been caught in the simple case above. Though, it would 7442a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // be correctly handled in the fallthrough code. 7452a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkASSERT(false); 7464355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopLeft_CornerFlag: 7474355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTopRight_CornerFlag: 7484355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomRight_CornerFlag: 7494355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kBottomLeft_CornerFlag: 7504355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kLeft_CornerFlags: 7514355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kTop_CornerFlags: 7524355f21dbc29bcb479a3806444dd22916e22771ecommit-bot@chromium.org case CircularRRectEffect::kRight_CornerFlags: 7532a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org case CircularRRectEffect::kBottom_CornerFlags: { 7542a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org SkTCopyOnFirstWrite<SkRRect> rr(rrect); 7552a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (squashedRadii) { 7562a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org rr.writable()->setRectRadii(rrect.getBounds(), radii); 7572a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 7582a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org return CircularRRectEffect::Create(edgeType, cornerFlags, *rr); 7592a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 7602a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org case CircularRRectEffect::kNone_CornerFlags: 7612a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org return GrConvexPolyEffect::Create(edgeType, rrect.getBounds()); 7622a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org default: { 7632a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org if (squashedRadii) { 7642a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // If we got here then we squashed some but not all the radii to zero. (If all 7652a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // had been squashed cornerFlags would be 0.) The elliptical effect doesn't 7662a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org // support some rounded and some square corners. 76796fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 7682a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 769fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org if (rrect.isNinePatch()) { 7702a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org return EllipticalRRectEffect::Create(edgeType, rrect); 771fa5edbe5750632b4590ed951c594dd2766ccc4cfcommit-bot@chromium.org } 77296fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 7732a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org } 774cb3672ed7fb9a5d54849e3265e8399bc5224bacecommit-bot@chromium.org } 775c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org } 7762a8be900db664bb26dca1adcb3a524a1bb1f45e6commit-bot@chromium.org 77796fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 778c2f7824436d05da6e8514d06a54773538aace028commit-bot@chromium.org} 779