1static constexpr char SKSL_MINIFIED_sksl_graphite_vert[] = 2"const float $PI=3.14159274;const float $kCubicCurveType=0.;const float $kConicCurveType" 3"=1.;const float $kTriangularConicCurveType=2.;$pure float curve_type_using_inf_support" 4"(float4 p23){if(isinf(p23.z)){return $kTriangularConicCurveType;}if(isinf(p23" 5".w)){return $kConicCurveType;}return $kCubicCurveType;}$pure bool $is_conic_curve" 6"(float curveType){return curveType!=$kCubicCurveType;}$pure bool $is_triangular_conic_curve" 7"(float curveType){return curveType==$kTriangularConicCurveType;}const float" 8" $kDegree=3.;const float $kPrecision=4.;const float $kLengthTerm=3.;const float" 9" $kLengthTermPow2=9.;$pure float $wangs_formula_max_fdiff_p2(float2 p0,float2" 10" p1,float2 p2,float2 p3,float2x2 matrix){float2 d0=matrix*(fma(float2(-2.)," 11"p1,p2)+p0);float2 d1=matrix*(fma(float2(-2.),p2,p3)+p1);return max(dot(d0,d0" 12"),dot(d1,d1));}$pure float $wangs_formula_cubic(float2 p0,float2 p1,float2 p2" 13",float2 p3,float2x2 matrix){float m=$wangs_formula_max_fdiff_p2(p0,p1,p2,p3" 14",matrix);return max(ceil(sqrt($kLengthTerm*sqrt(m))),1.);}$pure float $wangs_formula_cubic_log2" 15"(float2 p0,float2 p1,float2 p2,float2 p3,float2x2 matrix){float m=$wangs_formula_max_fdiff_p2" 16"(p0,p1,p2,p3,matrix);return ceil(log2(max($kLengthTermPow2*m,1.))*.25);}$pure" 17" float $wangs_formula_conic_p2(float2 p0,float2 p1,float2 p2,float w){float2" 18" C=(min(min(p0,p1),p2)+max(max(p0,p1),p2))*.5;p0-=C;p1-=C;p2-=C;float m=sqrt" 19"(max(max(dot(p0,p0),dot(p1,p1)),dot(p2,p2)));float2 dp=fma(float2(-2.*w),p1" 20",p0)+p2;float dw=abs(fma(-2.,w,2.));float rp_minus_1=max(0.,fma(m,$kPrecision" 21",-1.));float numer=length(dp)*$kPrecision+rp_minus_1*dw;float denom=4.*min(" 22"w,1.);return numer/denom;}$pure float $wangs_formula_conic(float2 p0,float2" 23" p1,float2 p2,float w){float n2=$wangs_formula_conic_p2(p0,p1,p2,w);return max" 24"(ceil(sqrt(n2)),1.);}$pure float $wangs_formula_conic_log2(float2 p0,float2" 25" p1,float2 p2,float w){float n2=$wangs_formula_conic_p2(p0,p1,p2,w);return ceil" 26"(log2(max(n2,1.))*.5);}$pure float2 $robust_normalize_diff(float2 a,float2 b" 27"){float2 diff=a-b;if(diff==float2(0.)){return float2(0.);}else{float invMag" 28"=1./max(abs(diff.x),abs(diff.y));return normalize(invMag*diff);}}$pure float" 29" $cosine_between_unit_vectors(float2 a,float2 b){return clamp(dot(a,b),-1.," 30"1.);}$pure float $miter_extent(float cosTheta,float miterLimit){float x=fma" 31"(cosTheta,.5,.5);return(x*miterLimit)*miterLimit>=1.?inversesqrt(x):sqrt(x)" 32";}$pure float $num_radial_segments_per_radian(float approxDevStrokeRadius){" 33"return.5/acos(max(1.-.25/approxDevStrokeRadius,-1.));}$pure float $unchecked_mix" 34"(float a,float b,float T){return fma(b-a,T,a);}$pure float2 $unchecked_mix(" 35"float2 a,float2 b,float T){return fma(b-a,float2(T),a);}$pure float4 $unchecked_mix" 36"(float4 a,float4 b,float4 T){return fma(b-a,T,a);}$pure float2 tessellate_filled_curve" 37"(float2x2 vectorXform,float resolveLevel,float idxInResolveLevel,float4 p01" 38",float4 p23,float curveType){float2 localcoord;if($is_triangular_conic_curve" 39"(curveType)){localcoord=resolveLevel!=0.?p01.zw:(idxInResolveLevel!=0.?p23." 40"xy:p01.xy);}else{float2 p0=p01.xy;float2 p1=p01.zw;float2 p2=p23.xy;float2 p3" 41"=p23.zw;float w=-1.;float maxResolveLevel;if($is_conic_curve(curveType)){w=" 42"p3.x;maxResolveLevel=$wangs_formula_conic_log2(vectorXform*p0,vectorXform*p1" 43",vectorXform*p2,w);p1*=w;p3=p2;}else{maxResolveLevel=$wangs_formula_cubic_log2" 44"(p0,p1,p2,p3,vectorXform);}if(resolveLevel>maxResolveLevel){idxInResolveLevel" 45"=floor(ldexp(idxInResolveLevel,int(maxResolveLevel-resolveLevel)));resolveLevel" 46"=maxResolveLevel;}float fixedVertexID=floor(.5+ldexp(idxInResolveLevel,int(" 47"5.-resolveLevel)));if(0.<fixedVertexID&&fixedVertexID<32.){float T=fixedVertexID" 48"*.03125;float2 ab=mix(p0,p1,T);float2 bc=mix(p1,p2,T);float2 cd=mix(p2,p3,T" 49");float2 abc=mix(ab,bc,T);float2 bcd=mix(bc,cd,T);float2 abcd=mix(abc,bcd,T" 50");float u=mix(1.,w,T);float v=(w+1.)-u;float uv=mix(u,v,T);localcoord=w<0.?" 51"abcd:abc/uv;}else{localcoord=fixedVertexID==0.?p0:p3;}}return localcoord;}$pure" 52" float4 tessellate_stroked_curve(float edgeID,float maxEdges,float2x2 affineMatrix" 53",float2 translate,float maxScale,float4 p01,float4 p23,float2 lastControlPoint" 54",float2 strokeParams,float curveType){float2 p0=p01.xy;float2 p1=p01.zw;float2" 55" p2=p23.xy;float2 p3=p23.zw;float w=-1.;if($is_conic_curve(curveType)){w=p3" 56".x;p3=p2;}float numParametricSegments;if(w<0.){if(p0==p1&&p2==p3){numParametricSegments" 57"=1.;}else{numParametricSegments=$wangs_formula_cubic(p0,p1,p2,p3,affineMatrix" 58");}}else{numParametricSegments=$wangs_formula_conic(affineMatrix*p0,affineMatrix" 59"*p1,affineMatrix*p2,w);}float strokeRadius=strokeParams.x;float joinType=strokeParams" 60".y;bool isHairline=strokeParams.x==0.;float numRadialSegmentsPerRadian;if(isHairline" 61"){numRadialSegmentsPerRadian=$num_radial_segments_per_radian(1.);strokeRadius" 62"=.5;}else{numRadialSegmentsPerRadian=$num_radial_segments_per_radian(maxScale" 63"*strokeParams.x);}if(isHairline){p0=affineMatrix*p0;p1=affineMatrix*p1;p2=affineMatrix" 64"*p2;p3=affineMatrix*p3;lastControlPoint=affineMatrix*lastControlPoint;}float2" 65" tan0=$robust_normalize_diff(p0==p1?(p1==p2?p3:p2):p1,p0);float2 tan1=$robust_normalize_diff" 66"(p3,p3==p2?(p2==p1?p0:p1):p2);if(tan0==float2(0.)){tan0=float2(1.,0.);tan1=" 67"float2(-1.,0.);}float numEdgesInJoin;if(joinType>=0.){numEdgesInJoin=(sign(" 68"joinType)+1.)+2.;}else{float2 prevTan=$robust_normalize_diff(p0,lastControlPoint" 69");float joinRads=acos($cosine_between_unit_vectors(prevTan,tan0));float numRadialSegmentsInJoin" 70"=max(ceil(joinRads*numRadialSegmentsPerRadian),1.);numEdgesInJoin=numRadialSegmentsInJoin" 71"+2.;numEdgesInJoin=min(numEdgesInJoin,maxEdges-2.);}float turn=cross_length_2d" 72"(p2-p0,p3-p1);float combinedEdgeID=abs(edgeID)-numEdgesInJoin;if(combinedEdgeID" 73"<0.){tan1=tan0;if(lastControlPoint!=p0){tan0=$robust_normalize_diff(p0,lastControlPoint" 74");}turn=cross_length_2d(tan0,tan1);}float cosTheta=$cosine_between_unit_vectors" 75"(tan0,tan1);float rotation=acos(cosTheta);if(turn<0.){rotation=-rotation;}float" 76" numRadialSegments;float strokeOutset=sign(edgeID);if(combinedEdgeID<0.){numRadialSegments" 77"=numEdgesInJoin-2.;numParametricSegments=1.;p3=(p2=(p1=p0));combinedEdgeID+=" 78"numRadialSegments+1.;float sinEpsilon=.01;bool tangentsNearlyParallel=abs(turn" 79")*inversesqrt(dot(tan0,tan0)*dot(tan1,tan1))<sinEpsilon;if(!tangentsNearlyParallel" 80"||dot(tan0,tan1)<0.){if(combinedEdgeID>=0.){strokeOutset=turn<0.?min(strokeOutset" 81",0.):max(strokeOutset,0.);}}combinedEdgeID=max(combinedEdgeID,0.);}else{float" 82" maxCombinedSegments=(maxEdges-numEdgesInJoin)-1.;numRadialSegments=max(ceil" 83"(abs(rotation)*numRadialSegmentsPerRadian),1.);numRadialSegments=min(numRadialSegments" 84",maxCombinedSegments);numParametricSegments=min(numParametricSegments,(maxCombinedSegments" 85"-numRadialSegments)+1.);}float radsPerSegment=rotation/numRadialSegments;float" 86" numCombinedSegments=(numParametricSegments+numRadialSegments)-1.;bool isFinalEdge" 87"=combinedEdgeID>=numCombinedSegments;if(combinedEdgeID>numCombinedSegments)" 88"{strokeOutset=0.;}if(abs(edgeID)==2.&&joinType>0.){strokeOutset*=$miter_extent" 89"(cosTheta,joinType);}float2 tangent;float2 strokeCoord;if(combinedEdgeID!=0." 90"&&!isFinalEdge){float2 A;float2 B;float2 C=p1-p0;float2 D=p3-p0;if(w>=0.){C" 91"*=w;B=.5*D-C;A=(w-1.)*D;p1*=w;}else{float2 E=p2-p1;B=E-C;A=fma(float2(-3.)," 92"E,D);}float2 B_=B*(numParametricSegments*2.);float2 C_=C*(numParametricSegments" 93"*numParametricSegments);float lastParametricEdgeID=0.;float maxParametricEdgeID" 94"=min(numParametricSegments-1.,combinedEdgeID);float negAbsRadsPerSegment=-abs" 95"(radsPerSegment);float maxRotation0=(1.+combinedEdgeID)*abs(radsPerSegment)" 96";for(int exp=4;exp>=0;--exp){float testParametricID=lastParametricEdgeID+exp2" 97"(float(exp));if(testParametricID<=maxParametricEdgeID){float2 testTan=fma(float2" 98"(testParametricID),A,B_);testTan=fma(float2(testParametricID),testTan,C_);float" 99" cosRotation=dot(normalize(testTan),tan0);float maxRotation=fma(testParametricID" 100",negAbsRadsPerSegment,maxRotation0);maxRotation=min(maxRotation,$PI);if(cosRotation" 101">=cos(maxRotation)){lastParametricEdgeID=testParametricID;}}}float parametricT" 102"=lastParametricEdgeID/numParametricSegments;float lastRadialEdgeID=combinedEdgeID" 103"-lastParametricEdgeID;float angle0=acos(clamp(tan0.x,-1.,1.));angle0=tan0.y" 104">=0.?angle0:-angle0;float radialAngle=fma(lastRadialEdgeID,radsPerSegment,angle0" 105");tangent=float2(cos(radialAngle),sin(radialAngle));float2 norm=float2(-tangent" 106".y,tangent.x);float a=dot(norm,A);float b_over_2=dot(norm,B);float c=dot(norm" 107",C);float discr_over_4=max(b_over_2*b_over_2-a*c,0.);float q=sqrt(discr_over_4" 108");if(b_over_2>0.){q=-q;}q-=b_over_2;float _5qa=(-.5*q)*a;float2 root=abs(fma" 109"(q,q,_5qa))<abs(fma(a,c,_5qa))?float2(q,a):float2(c,q);float radialT=root.y" 110"!=0.?root.x/root.y:0.;radialT=clamp(radialT,0.,1.);if(lastRadialEdgeID==0.)" 111"{radialT=0.;}float T=max(parametricT,radialT);float2 ab=$unchecked_mix(p0,p1" 112",T);float2 bc=$unchecked_mix(p1,p2,T);float2 cd=$unchecked_mix(p2,p3,T);float2" 113" abc=$unchecked_mix(ab,bc,T);float2 bcd=$unchecked_mix(bc,cd,T);float2 abcd" 114"=$unchecked_mix(abc,bcd,T);float u=$unchecked_mix(1.,w,T);float v=(w+1.)-u;" 115"float uv=$unchecked_mix(u,v,T);if(T!=radialT){tangent=w>=0.?$robust_normalize_diff" 116"(bc*u,ab*v):$robust_normalize_diff(bcd,abc);}strokeCoord=w>=0.?abc/uv:abcd;" 117"}else{tangent=combinedEdgeID==0.?tan0:tan1;strokeCoord=combinedEdgeID==0.?p0" 118":p3;}float2 ortho=float2(tangent.y,-tangent.x);strokeCoord+=ortho*(strokeRadius" 119"*strokeOutset);if(isHairline){return float4(strokeCoord+translate,inverse(affineMatrix" 120")*strokeCoord);}else{return float4(affineMatrix*strokeCoord+translate,strokeCoord" 121");}}"; 122