xref: /aosp_15_r20/external/skia/src/sksl/generated/sksl_graphite_vert.unoptimized.sksl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)

static constexpr char SKSL_MINIFIED_sksl_graphite_vert[] =
"const float $PI=3.14159274;const float $kCubicCurveType=0.;const float $kTriangularConicCurveType"
"=2.;$pure float curve_type_using_inf_support(float4 p23){return isinf(p23.z"
")?$kTriangularConicCurveType:float(isinf(p23.w));}$pure bool $is_conic_curve"
"(float curveType){return curveType!=$kCubicCurveType;}$pure bool $is_triangular_conic_curve"
"(float curveType){return curveType==$kTriangularConicCurveType;}const float"
" $kPrecision=4.;const float $kLengthTerm=3.;const float $kLengthTermPow2=9."
";$pure float $wangs_formula_max_fdiff_p2(float2 p0,float2 p1,float2 p2,float2"
" p3,float2x2 matrix){float2 d0=matrix*(fma(-2..xx,p1,p2)+p0);float2 d1=matrix"
"*(fma(-2..xx,p2,p3)+p1);return max(dot(d0,d0),dot(d1,d1));}$pure float $wangs_formula_cubic"
"(float2 p0,float2 p1,float2 p2,float2 p3,float2x2 matrix){float m=$wangs_formula_max_fdiff_p2"
"(p0,p1,p2,p3,matrix);return max(ceil(sqrt($kLengthTerm*sqrt(m))),1.);}$pure"
" float $wangs_formula_cubic_log2(float2 p0,float2 p1,float2 p2,float2 p3,float2x2"
" matrix){float m=$wangs_formula_max_fdiff_p2(p0,p1,p2,p3,matrix);return ceil"
"(log2(max($kLengthTermPow2*m,1.))*.25);}$pure float $wangs_formula_conic_p2"
"(float2 p0,float2 p1,float2 p2,float w){float2 C=(min(min(p0,p1),p2)+max(max"
"(p0,p1),p2))*.5;p0-=C;p1-=C;p2-=C;float m=sqrt(max(max(dot(p0,p0),dot(p1,p1"
")),dot(p2,p2)));float2 dp=fma((-2.*w).xx,p1,p0)+p2;float dw=abs(fma(-2.,w,2."
"));float rp_minus_1=max(0.,fma(m,$kPrecision,-1.));float numer=length(dp)*$kPrecision"
"+rp_minus_1*dw;float denom=4.*min(w,1.);return numer/denom;}$pure float $wangs_formula_conic"
"(float2 p0,float2 p1,float2 p2,float w){float n2=$wangs_formula_conic_p2(p0"
",p1,p2,w);return max(ceil(sqrt(n2)),1.);}$pure float $wangs_formula_conic_log2"
"(float2 p0,float2 p1,float2 p2,float w){float n2=$wangs_formula_conic_p2(p0"
",p1,p2,w);return ceil(log2(max(n2,1.))*.5);}$pure float2 $robust_normalize_diff"
"(float2 a,float2 b){float2 diff=a-b;if(diff==0..xx)return 0..xx;else{float invMag"
"=1./max(abs(diff.x),abs(diff.y));return normalize(invMag*diff);}}$pure float"
" $cosine_between_unit_vectors(float2 a,float2 b){return clamp(dot(a,b),-1.,"
"1.);}$pure float $miter_extent(float cosTheta,float miterLimit){float x=fma"
"(cosTheta,.5,.5);return(x*miterLimit)*miterLimit>=1.?inversesqrt(x):sqrt(x)"
";}$pure float $num_radial_segments_per_radian(float approxDevStrokeRadius){"
"return.5/acos(max(1.-.25/approxDevStrokeRadius,-1.));}$pure float $unchecked_mix"
"(float a,float b,float T){return fma(b-a,T,a);}$pure float2 $unchecked_mix("
"float2 a,float2 b,float T){return fma(b-a,T.xx,a);}$pure float4 $unchecked_mix"
"(float4 a,float4 b,float4 T){return fma(b-a,T,a);}$pure float2 tessellate_filled_curve"
"(float2x2 vectorXform,float resolveLevel,float idxInResolveLevel,float4 p01"
",float4 p23,float curveType){float2 localcoord;if($is_triangular_conic_curve"
"(curveType))localcoord=resolveLevel!=0.?p01.zw:(idxInResolveLevel!=0.?p23.xy"
":p01.xy);else{float2 p0=p01.xy;float2 p1=p01.zw;float2 p2=p23.xy;float2 p3="
"p23.zw;float w=-1.;float maxResolveLevel;if($is_conic_curve(curveType)){w=p3"
".x;maxResolveLevel=$wangs_formula_conic_log2(vectorXform*p0,vectorXform*p1,"
"vectorXform*p2,w);p1*=w;p3=p2;}else maxResolveLevel=$wangs_formula_cubic_log2"
"(p0,p1,p2,p3,vectorXform);if(resolveLevel>maxResolveLevel){idxInResolveLevel"
"=floor(ldexp(idxInResolveLevel,int(maxResolveLevel-resolveLevel)));resolveLevel"
"=maxResolveLevel;}float fixedVertexID=floor(.5+ldexp(idxInResolveLevel,int("
"5.-resolveLevel)));if(0.<fixedVertexID&&fixedVertexID<32.){float T=fixedVertexID"
"*.03125;float2 ab=mix(p0,p1,T);float2 bc=mix(p1,p2,T);float2 cd=mix(p2,p3,T"
");float2 abc=mix(ab,bc,T);float2 bcd=mix(bc,cd,T);float2 abcd=mix(abc,bcd,T"
");float u=mix(1.,w,T);float v=(w+1.)-u;float uv=mix(u,v,T);localcoord=w<0.?"
"abcd:abc/uv;}else localcoord=fixedVertexID==0.?p0:p3;}return localcoord;}$pure"
" float4 tessellate_stroked_curve(float edgeID,float maxEdges,float2x2 affineMatrix"
",float2 translate,float maxScale,float4 p01,float4 p23,float2 lastControlPoint"
",float2 strokeParams,float curveType){float2 p0=p01.xy;float2 p1=p01.zw;float2"
" p2=p23.xy;float2 p3=p23.zw;float w=-1.;if($is_conic_curve(curveType)){w=p3"
".x;p3=p2;}float numParametricSegments;if(w<0.)if(p0==p1&&p2==p3)numParametricSegments"
"=1.;else numParametricSegments=$wangs_formula_cubic(p0,p1,p2,p3,affineMatrix"
");else numParametricSegments=$wangs_formula_conic(affineMatrix*p0,affineMatrix"
"*p1,affineMatrix*p2,w);float strokeRadius=strokeParams.x;float joinType=strokeParams"
".y;bool isHairline=strokeParams.x==0.;float numRadialSegmentsPerRadian;if(isHairline"
"){numRadialSegmentsPerRadian=$num_radial_segments_per_radian(1.);strokeRadius"
"=.5;}else numRadialSegmentsPerRadian=$num_radial_segments_per_radian(maxScale"
"*strokeParams.x);if(isHairline){p0=affineMatrix*p0;p1=affineMatrix*p1;p2=affineMatrix"
"*p2;p3=affineMatrix*p3;lastControlPoint=affineMatrix*lastControlPoint;}float2"
" tan0=$robust_normalize_diff(p0==p1?(p1==p2?p3:p2):p1,p0);float2 tan1=$robust_normalize_diff"
"(p3,p3==p2?(p2==p1?p0:p1):p2);if(tan0==0..xx){tan0=float2(1.,0.);tan1=float2"
"(-1.,0.);}float numEdgesInJoin;if(joinType>=0.)numEdgesInJoin=sign(joinType"
")+3.;else{float2 prevTan=$robust_normalize_diff(p0,lastControlPoint);float joinRads"
"=acos($cosine_between_unit_vectors(prevTan,tan0));float numRadialSegmentsInJoin"
"=max(ceil(joinRads*numRadialSegmentsPerRadian),1.);numEdgesInJoin=numRadialSegmentsInJoin"
"+2.;numEdgesInJoin=min(numEdgesInJoin,maxEdges-2.);}float turn=cross_length_2d"
"(p2-p0,p3-p1);float combinedEdgeID=abs(edgeID)-numEdgesInJoin;if(combinedEdgeID"
"<0.){tan1=tan0;if(lastControlPoint!=p0)tan0=$robust_normalize_diff(p0,lastControlPoint"
");turn=cross_length_2d(tan0,tan1);}float cosTheta=$cosine_between_unit_vectors"
"(tan0,tan1);float rotation=acos(cosTheta);if(turn<0.)rotation=-rotation;float"
" numRadialSegments;float strokeOutset=sign(edgeID);if(combinedEdgeID<0.){numRadialSegments"
"=numEdgesInJoin-2.;numParametricSegments=1.;p3=(p2=(p1=p0));combinedEdgeID+="
"numRadialSegments+1.;if(combinedEdgeID<0.)combinedEdgeID=0.;else{const float"
" sinEpsilon=.01;bool tangentsNearlyParallel=abs(turn)*inversesqrt(dot(tan0,"
"tan0)*dot(tan1,tan1))<sinEpsilon;if(!tangentsNearlyParallel||dot(tan0,tan1)"
"<0.)strokeOutset=turn<0.?min(strokeOutset,0.):max(strokeOutset,0.);}}else{float"
" maxCombinedSegments=(maxEdges-numEdgesInJoin)-1.;numRadialSegments=max(ceil"
"(abs(rotation)*numRadialSegmentsPerRadian),1.);numRadialSegments=min(numRadialSegments"
",maxCombinedSegments);numParametricSegments=min(numParametricSegments,(maxCombinedSegments"
"-numRadialSegments)+1.);}float radsPerSegment=rotation/numRadialSegments;float"
" numCombinedSegments=(numParametricSegments+numRadialSegments)-1.;bool isFinalEdge"
"=combinedEdgeID>=numCombinedSegments;if(combinedEdgeID>numCombinedSegments)"
"strokeOutset=0.;if(abs(edgeID)==2.&&joinType>0.)strokeOutset*=$miter_extent"
"(cosTheta,joinType);float2 tangent;float2 strokeCoord;if(combinedEdgeID!=0."
"&&!isFinalEdge){float2 A;float2 B;float2 C=p1-p0;float2 D=p3-p0;if(w>=0.){C"
"*=w;B=.5*D-C;A=(w-1.)*D;p1*=w;}else{float2 E=p2-p1;B=E-C;A=fma(-3..xx,E,D);"
"}float2 B_=B*(numParametricSegments*2.);float2 C_=C*(numParametricSegments*"
"numParametricSegments);float lastParametricEdgeID=0.;float maxParametricEdgeID"
"=min(numParametricSegments-1.,combinedEdgeID);float negAbsRadsPerSegment=-abs"
"(radsPerSegment);float maxRotation0=(1.+combinedEdgeID)*abs(radsPerSegment)"
";for(float exp=32.;exp>=1.;exp*=.5){float testParametricID=lastParametricEdgeID"
"+exp;if(testParametricID<=maxParametricEdgeID){float2 testTan=fma(testParametricID"
".xx,A,B_);testTan=fma(testParametricID.xx,testTan,C_);float cosRotation=dot"
"(normalize(testTan),tan0);float maxRotation=fma(testParametricID,negAbsRadsPerSegment"
",maxRotation0);maxRotation=min(maxRotation,$PI);if(cosRotation>=cos(maxRotation"
"))lastParametricEdgeID=testParametricID;}}float parametricT=lastParametricEdgeID"
"/numParametricSegments;float lastRadialEdgeID=combinedEdgeID-lastParametricEdgeID"
";float angle0=acos(clamp(tan0.x,-1.,1.));angle0=tan0.y>=0.?angle0:-angle0;float"
" radialAngle=fma(lastRadialEdgeID,radsPerSegment,angle0);tangent=float2(cos"
"(radialAngle),sin(radialAngle));float2 norm=float2(-tangent.y,tangent.x);float"
" a=dot(norm,A);float b_over_2=dot(norm,B);float c=dot(norm,C);float discr_over_4"
"=max(b_over_2*b_over_2-a*c,0.);float q=sqrt(discr_over_4);if(b_over_2>0.)q="
"-q;q-=b_over_2;float _5qa=(-.5*q)*a;float2 root=abs(fma(q,q,_5qa))<abs(fma("
"a,c,_5qa))?float2(q,a):float2(c,q);float radialT=lastRadialEdgeID!=0.&&root"
".y!=0.?saturate(root.x/root.y):0.;float T=max(parametricT,radialT);float2 ab"
"=$unchecked_mix(p0,p1,T);float2 bc=$unchecked_mix(p1,p2,T);float2 cd=$unchecked_mix"
"(p2,p3,T);float2 abc=$unchecked_mix(ab,bc,T);float2 bcd=$unchecked_mix(bc,cd"
",T);float2 abcd=$unchecked_mix(abc,bcd,T);float u=$unchecked_mix(1.,w,T);float"
" v=(w+1.)-u;float uv=$unchecked_mix(u,v,T);if(T!=radialT)tangent=w>=0.?$robust_normalize_diff"
"(bc*u,ab*v):$robust_normalize_diff(bcd,abc);strokeCoord=w>=0.?abc/uv:abcd;}"
"else{tangent=combinedEdgeID==0.?tan0:tan1;strokeCoord=combinedEdgeID==0.?p0"
":p3;}float2 ortho=float2(tangent.y,-tangent.x);strokeCoord+=ortho*(strokeRadius"
"*strokeOutset);if(isHairline)return float4(strokeCoord+translate,inverse(affineMatrix"
")*strokeCoord);else return float4(affineMatrix*strokeCoord+translate,strokeCoord"
");}float4 analytic_rrect_vertex_fn(float2 position,float2 normal,float normalScale"
",float centerWeight,float4 xRadiiOrFlags,float4 radiiOrQuadXs,float4 ltrbOrQuadYs"
",float4 center,float depth,float3x3 localToDevice,out float4 jacobian,out float4"
" edgeDistances,out float4 xRadii,out float4 yRadii,out float2 strokeParams,"
"out float2 perPixelControl,out float2 stepLocalCoords){const uint kCornerVertexCount"
"=9;const float kMiterScale=1.;const float kBevelScale=0.;const float kRoundScale"
"=.414213568;const float kEpsilon=.00024;float joinScale=kMiterScale;bool bidirectionalCoverage"
"=center.z<=0.;bool deviceSpaceDistances=false;float4 xs;float4 ys;float4 edgeAA"
"=1..xxxx;bool strokedLine=false;if(xRadiiOrFlags.x<-1.){strokedLine=xRadiiOrFlags"
".y>0.;xs=strokedLine?ltrbOrQuadYs.xxzz:ltrbOrQuadYs.xzzx;ys=ltrbOrQuadYs.yyww"
";if(xRadiiOrFlags.y<0.){xRadii=-xRadiiOrFlags-2.;yRadii=radiiOrQuadXs;strokeParams"
"=float2(0.,1.);}else{xRadii=radiiOrQuadXs;yRadii=xRadii;strokeParams=xRadiiOrFlags"
".zw;joinScale=strokeParams.y<0.?kRoundScale:sign(strokeParams.y);}}else if("
"any(greaterThan(xRadiiOrFlags,0..xxxx))){xs=ltrbOrQuadYs.xzzx;ys=ltrbOrQuadYs"
".yyww;xRadii=xRadiiOrFlags;yRadii=radiiOrQuadXs;strokeParams=float2(0.,-1.)"
";}else{xs=radiiOrQuadXs;ys=ltrbOrQuadYs;edgeAA=-xRadiiOrFlags;xRadii=0..xxxx"
";yRadii=0..xxxx;strokeParams=float2(0.,1.);deviceSpaceDistances=true;}uint cornerID"
"=uint(sk_VertexID)/kCornerVertexCount;float2 cornerRadii=float2(xRadii[cornerID"
"],yRadii[cornerID]);if(cornerID%2!=0)cornerRadii=cornerRadii.yx;float2 cornerAspectRatio"
"=1..xx;if(all(greaterThan(cornerRadii,0..xx))){joinScale=kRoundScale;cornerAspectRatio"
"=cornerRadii.yx;}float4 dx=xs-xs.wxyz;float4 dy=ys-ys.wxyz;float4 edgeSquaredLen"
"=dx*dx+dy*dy;float4 edgeMask=sign(edgeSquaredLen);float4 edgeBias=0..xxxx;float2"
" strokeRadius=strokeParams.x.xx;if(any(equal(edgeMask,0..xxxx)))if(all(equal"
"(edgeMask,0..xxxx))){dx=float4(0.,1.,0.,-1.);dy=float4(-1.,0.,1.,0.);edgeSquaredLen"
"=1..xxxx;}else{bool triangle=((edgeMask.x+edgeMask.y)+edgeMask.z)+edgeMask."
"w>2.5;float4 edgeX=triangle?dx.yzwx:dy.yzwx;float4 edgeY=triangle?dy.yzwx:-"
"dx.yzwx;dx=mix(edgeX,dx,edgeMask);dy=mix(edgeY,dy,edgeMask);edgeSquaredLen="
"mix(edgeSquaredLen.yzwx,edgeSquaredLen,edgeMask);edgeAA=mix(edgeAA.yzwx,edgeAA"
",edgeMask);if(!triangle&&joinScale==kBevelScale){strokeRadius*=float2(edgeMask"
"[cornerID],edgeMask.yzwx[cornerID]);edgeBias=(edgeMask-1.)*strokeParams.x;strokeParams"
".y=1.;joinScale=kMiterScale;}}float4 inverseEdgeLen=inversesqrt(edgeSquaredLen"
");dx*=inverseEdgeLen;dy*=inverseEdgeLen;float2 xAxis=-float2(dx.yzwx[cornerID"
"],dy.yzwx[cornerID]);float2 yAxis=float2(dx[cornerID],dy[cornerID]);float2 localPos"
";bool snapToCenter=false;if(normalScale<0.)if(center.w<0.||centerWeight*center"
".z!=0.)snapToCenter=true;else{float localAARadius=center.w;float2 insetRadii"
"=cornerRadii+(bidirectionalCoverage?-strokeRadius:strokeRadius);if(joinScale"
"==kMiterScale||any(lessThanEqual(insetRadii,localAARadius.xx)))localPos=insetRadii"
"-localAARadius;else localPos=insetRadii*position-localAARadius*normal;}else"
" localPos=(cornerRadii+strokeRadius)*(position+joinScale*position.yx);if(snapToCenter"
")localPos=center.xy;else{localPos-=cornerRadii;localPos=(float2(xs[cornerID"
"],ys[cornerID])+xAxis*localPos.x)+yAxis*localPos.y;}edgeDistances=(dy*(xs-localPos"
".x)-dx*(ys-localPos.y))+edgeBias;float3x3 deviceToLocal=inverse(localToDevice"
");float3 devPos=localToDevice*float3(localPos,1.);jacobian=float4(deviceToLocal"
"[0].xy-deviceToLocal[0].z*localPos,deviceToLocal[1].xy-deviceToLocal[1].z*localPos"
");if(deviceSpaceDistances){float4 gx=-dy*(deviceToLocal[0].x-deviceToLocal["
"0].z*xs)+dx*(deviceToLocal[0].y-deviceToLocal[0].z*ys);float4 gy=-dy*(deviceToLocal"
"[1].x-deviceToLocal[1].z*xs)+dx*(deviceToLocal[1].y-deviceToLocal[1].z*ys);"
"edgeDistances*=inversesqrt(gx*gx+gy*gy);edgeDistances+=(1.-edgeAA)*abs(devPos"
".z);bool subpixelCoverage=edgeAA==1..xxxx&&dot(abs(dx*dx.yzwx+dy*dy.yzwx),1."
".xxxx)<kEpsilon;if(subpixelCoverage){float2 dim=edgeDistances.xy+edgeDistances"
".zw;perPixelControl.y=1.+min(min(dim.x,dim.y),abs(devPos.z));}else perPixelControl"
".y=1.+abs(devPos.z);}if(normalScale>0.&&devPos.z>0.){float2x2 J=float2x2(jacobian"
");float2 edgeAANormal=float2(edgeAA[cornerID],edgeAA.yzwx[cornerID])*normal"
";float2 nx=((cornerAspectRatio.x*edgeAANormal.x)*perp(-yAxis))*J;float2 ny="
"((cornerAspectRatio.y*edgeAANormal.y)*perp(xAxis))*J;bool isMidVertex=all(notEqual"
"(edgeAANormal,0..xx));if(joinScale==kMiterScale&&isMidVertex){nx=normalize("
"nx);ny=normalize(ny);if(dot(nx,ny)<-.8){float s=sign(cross_length_2d(nx,ny)"
");nx=s*perp(nx);ny=-s*perp(ny);}}devPos.xy+=devPos.z*normalize(nx+ny);if(deviceSpaceDistances"
")edgeDistances-=devPos.z;else perPixelControl.y=-devPos.z;}else if(!deviceSpaceDistances"
")perPixelControl.y=0.;perPixelControl.x=float(centerWeight!=0.?1.:(bidirectionalCoverage"
"?-1.:0.));if(strokedLine)jacobian=float4(float2x2(dy.x,-dy.y,-dx.x,dx.y)*float2x2"
"(jacobian));stepLocalCoords=localPos;return float4(devPos.xy,devPos.z*depth"
",devPos.z);}float4 per_edge_aa_quad_vertex_fn(float2 normal,float4 edgeAA,float4"
" xs,float4 ys,float depth,float3x3 localToDevice,out float4 edgeDistances,out"
" float2 stepLocalCoords){const uint kCornerVertexCount=4;float4 dx=xs-xs.wxyz"
";float4 dy=ys-ys.wxyz;float4 edgeSquaredLen=dx*dx+dy*dy;float4 edgeMask=sign"
"(edgeSquaredLen);if(any(equal(edgeMask,0..xxxx)))if(all(equal(edgeMask,0..xxxx"
"))){dx=float4(0.,1.,0.,-1.);dy=float4(-1.,0.,1.,0.);edgeSquaredLen=1..xxxx;"
"}else{bool triangle=((edgeMask.x+edgeMask.y)+edgeMask.z)+edgeMask.w>2.5;float4"
" edgeX=triangle?dx.yzwx:dy.yzwx;float4 edgeY=triangle?dy.yzwx:-dx.yzwx;dx=mix"
"(edgeX,dx,edgeMask);dy=mix(edgeY,dy,edgeMask);edgeSquaredLen=mix(edgeSquaredLen"
".yzwx,edgeSquaredLen,edgeMask);edgeAA=mix(edgeAA.yzwx,edgeAA,edgeMask);}float4"
" inverseEdgeLen=inversesqrt(edgeSquaredLen);dx*=inverseEdgeLen;dy*=inverseEdgeLen"
";uint cornerID=uint(sk_VertexID)/kCornerVertexCount;float2 xAxis=-float2(dx"
".yzwx[cornerID],dy.yzwx[cornerID]);float2 yAxis=float2(dx[cornerID],dy[cornerID"
"]);float2 localPos=float2(xs[cornerID],ys[cornerID]);edgeDistances=dy*(xs-localPos"
".x)-dx*(ys-localPos.y);float3x3 deviceToLocal=inverse(localToDevice);float3"
" devPos=localToDevice*float3(localPos,1.);float4 gx=-dy*(deviceToLocal[0].x"
"-deviceToLocal[0].z*xs)+dx*(deviceToLocal[0].y-deviceToLocal[0].z*ys);float4"
" gy=-dy*(deviceToLocal[1].x-deviceToLocal[1].z*xs)+dx*(deviceToLocal[1].y-deviceToLocal"
"[1].z*ys);edgeDistances*=inversesqrt(gx*gx+gy*gy);edgeDistances+=(1.5-edgeAA"
")*abs(devPos.z);if(any(notEqual(normal,0..xx))&&devPos.z>0.){float2x2 J=float2x2"
"(deviceToLocal[0].xy-deviceToLocal[0].z*localPos,deviceToLocal[1].xy-deviceToLocal"
"[1].z*localPos);float2 edgeAANormal=float2(edgeAA[cornerID],edgeAA.yzwx[cornerID"
"])*normal;float2 nx=(edgeAANormal.x*perp(-yAxis))*J;float2 ny=(edgeAANormal"
".y*perp(xAxis))*J;bool isMidVertex=all(notEqual(edgeAANormal,0..xx));if(isMidVertex"
"){nx=normalize(nx);ny=normalize(ny);if(dot(nx,ny)<-.8){float s=sign(cross_length_2d"
"(nx,ny));nx=s*perp(nx);ny=-s*perp(ny);}}devPos.xy+=devPos.z*normalize(nx+ny"
");edgeDistances-=devPos.z;}stepLocalCoords=localPos;return float4(devPos.xy"
",devPos.z*depth,devPos.z);}float4 circular_arc_vertex_fn(float3 position,float4"
" centerScales,float3 radiiAndFlags,float3 geoClipPlane,float3 fragClipPlane0"
",float3 fragClipPlane1,float4 inRoundCapPos,float depth,float3x3 localToDevice"
",out float4 circleEdge,out float3 clipPlane,out float3 isectPlane,out float3"
" unionPlane,out float roundCapRadius,out float4 roundCapPos,out float2 stepLocalCoords"
"){float2 localCenter=centerScales.xy;float2 localPos=localCenter;float dist"
"=min(dot(position.xy,geoClipPlane.xy)+geoClipPlane.z,0.);position.xy-=geoClipPlane"
".xy*dist;float offsetScale=length(position.xy);if(position.z>0.)localPos+=position"
".xy*centerScales.z;else localPos+=position.xy*centerScales.w;float3 devPos="
"localToDevice*float3(localPos,1.);float3 devCenter=localToDevice*float3(localCenter"
",1.);float2 offset=devPos.xy-devCenter.xy;if(offset!=0..xx){offset=normalize"
"(offset);devPos.xy+=position.z*offset;if(position.z>0.)offset*=offsetScale;"
"else offset*=offsetScale*radiiAndFlags.y;}circleEdge=float4(offset,radiiAndFlags"
".xy);if(radiiAndFlags.z>0.){clipPlane=fragClipPlane0;isectPlane=fragClipPlane1"
";unionPlane=0..xxx;}else{clipPlane=fragClipPlane0;isectPlane=float3(0.,0.,1."
");unionPlane=fragClipPlane1;}if(abs(radiiAndFlags.z)>1.)roundCapRadius=(1.-"
"radiiAndFlags.y)*.5;else roundCapRadius=0.;roundCapPos=inRoundCapPos;stepLocalCoords"
"=localPos;return float4(devPos.xy,depth,1.);}float4 text_vertex_fn(float2 baseCoords"
",float4x4 subRunDeviceMatrix,float4x4 deviceToLocal,float2 atlasSizeInv,float2"
" size,float2 uvPos,float2 xyPos,float strikeToSourceScale,float depth,out float2"
" textureCoords,out float2 unormTexCoords,out float2 stepLocalCoords){baseCoords"
"*=size;float2 subRunCoords=strikeToSourceScale*baseCoords+xyPos;float4 position"
"=subRunDeviceMatrix*float4(subRunCoords,0.,1.);stepLocalCoords=(deviceToLocal"
"*position).xy;unormTexCoords=baseCoords+uvPos;textureCoords=unormTexCoords*"
"atlasSizeInv;return float4(position.xy,depth*position.w,position.w);}float4"
" coverage_mask_vertex_fn(float2 quadCoords,float3x3 maskToDeviceRemainder,float4"
" drawBounds,float4 maskBoundsIn,float2 deviceOrigin,float depth,float3x3 deviceToLocal"
",out float4 maskBounds,out float2 textureCoords,out half invert,out float2 stepLocalCoords"
"){textureCoords=mix(drawBounds.xy,drawBounds.zw,quadCoords);float3 drawCoords"
"=maskToDeviceRemainder*float3(textureCoords+deviceOrigin,1.);float3 localCoords"
"=deviceToLocal*drawCoords;stepLocalCoords=localCoords.xy/localCoords.z;if(all"
"(lessThanEqual(maskBoundsIn.xy,maskBoundsIn.zw))){maskBounds=maskBoundsIn;invert"
"=0.;}else{maskBounds=maskBoundsIn.zwxy;invert=1.;}return float4(drawCoords."
"xy,depth*drawCoords.z,drawCoords.z);}float4 cover_bounds_vertex_fn(float2 corner"
",float4 bounds,float depth,float3x3 matrix,out float2 stepLocalCoords){if(all"
"(lessThanEqual(bounds.xy,bounds.zw))){corner=mix(bounds.xy,bounds.zw,corner"
");float3 devCorner=matrix*float3(corner,1.);stepLocalCoords=corner;return float4"
"(devCorner.xy,depth*devCorner.z,devCorner.z);}else{corner=mix(bounds.zw,bounds"
".xy,corner);float3 localCoords=inverse(matrix)*float3(corner,1.);float invW"
"=1./localCoords.z;stepLocalCoords=localCoords.xy*invW;return float4(corner*"
"invW,depth*invW,invW);}}";