| static constexpr char SKSL_MINIFIED_sksl_graphite_frag[] = |
| "const int $kTileModeClamp=0;const int $kTileModeRepeat=1;const int $kTileModeMirror" |
| "=2;const int $kTileModeDecal=3;const int $kFilterModeNearest=0;const int $kFilterModeLinear" |
| "=1;$pure half4 sk_error(){return half4(1.,0.,1.,1.);}$pure half4 sk_passthrough" |
| "(half4 color){return color;}$pure half4 sk_solid_shader(float4 colorParam){" |
| "return half4(colorParam);}$pure float $tile(int tileMode,float f,float low," |
| "float high){switch(tileMode){case 0:return clamp(f,low,high);case 1:{float length" |
| "=high-low;return mod(f-low,length)+low;}case 2:{float length=high-low;float" |
| " length2=2.*length;float tmp=mod(f-low,length2);return mix(tmp,length2-tmp," |
| "step(length,tmp))+low;}default:return f;}}$pure half4 $sample_image(float2 pos" |
| ",float2 imgSize,float4 subset,int tileModeX,int tileModeY,int filterMode,sampler2D" |
| " s){if(tileModeX==$kTileModeDecal&&filterMode==$kFilterModeNearest){float snappedX" |
| "=floor(pos.x)+.5;if(snappedX<subset.x||snappedX>subset.z){return half4(0.);" |
| "}}if(tileModeY==$kTileModeDecal&&filterMode==$kFilterModeNearest){float snappedY" |
| "=floor(pos.y)+.5;if(snappedY<subset.y||snappedY>subset.w){return half4(0.);" |
| "}}pos.x=$tile(tileModeX,pos.x,subset.x,subset.z);pos.y=$tile(tileModeY,pos." |
| "y,subset.y,subset.w);float4 insetClamp;if(filterMode==$kFilterModeNearest){" |
| "insetClamp=float4(floor(subset.xy)+.5,ceil(subset.zw)-.5);}else{insetClamp=" |
| "float4(subset.xy+.5,subset.zw-.5);}float2 clampedPos=clamp(pos,insetClamp.xy" |
| ",insetClamp.zw);half4 color=sample(s,clampedPos/imgSize);if(filterMode==$kFilterModeLinear" |
| "){half2 error=half2(pos-clampedPos);half2 absError=abs(error);bool sampleExtraX" |
| "=tileModeX==$kTileModeRepeat;bool sampleExtraY=tileModeY==$kTileModeRepeat;" |
| "if(sampleExtraX||sampleExtraY){float extraCoordX;float extraCoordY;half4 extraColorX" |
| ";half4 extraColorY;if(sampleExtraX){extraCoordX=error.x>0.?insetClamp.x:insetClamp" |
| ".z;extraColorX=sample(s,float2(extraCoordX,clampedPos.y)/imgSize);}if(sampleExtraY" |
| "){extraCoordY=error.y>0.?insetClamp.y:insetClamp.w;extraColorY=sample(s,float2" |
| "(clampedPos.x,extraCoordY)/imgSize);}if(sampleExtraX&&sampleExtraY){half4 extraColorXY" |
| "=sample(s,float2(extraCoordX,extraCoordY)/imgSize);color=mix(mix(color,extraColorX" |
| ",absError.x),mix(extraColorY,extraColorXY,absError.x),absError.y);}else if(" |
| "sampleExtraX){color=mix(color,extraColorX,absError.x);}else if(sampleExtraY" |
| "){color=mix(color,extraColorY,absError.y);}}if(tileModeX==$kTileModeDecal){" |
| "color*=max(1.-absError.x,0.);}if(tileModeY==$kTileModeDecal){color*=max(1.-" |
| "absError.y,0.);}}return color;}$pure half4 $cubic_filter_image(float2 pos,float2" |
| " imgSize,float4 subset,int tileModeX,int tileModeY,float4x4 coeffs,sampler2D" |
| " s){float2 f=fract(pos-.5);pos-=1.5;pos=floor(pos)+.5;float4 wx=coeffs*float4" |
| "(1.,f.x,f.x*f.x,(f.x*f.x)*f.x);float4 wy=coeffs*float4(1.,f.y,f.y*f.y,(f.y*" |
| "f.y)*f.y);float4 color=float4(0.);for(int y=0;y<4;++y){float4 rowColor=float4" |
| "(0.);for(int x=0;x<4;++x){rowColor+=wx[x]*float4($sample_image(pos+float2(float" |
| "(x),float(y)),imgSize,subset,tileModeX,tileModeY,$kFilterModeNearest,s));}color" |
| "+=wy[y]*rowColor;}return half4(color);}$pure half4 sk_image_shader(float2 coords" |
| ",float2 imgSize,float4 subset,int tileModeX,int tileModeY,int filterMode,int" |
| " useCubic,float4x4 cubicCoeffs,sampler2D s){return useCubic!=0?$cubic_filter_image" |
| "(coords,imgSize,subset,tileModeX,tileModeY,cubicCoeffs,s):$sample_image(coords" |
| ",imgSize,subset,tileModeX,tileModeY,filterMode,s);}$pure float2 $tile_grad(" |
| "int tileMode,float2 t){switch(tileMode){case 0:t.x=clamp(t.x,0.,1.);break;case" |
| " 1:t.x=fract(t.x);break;case 2:{float t_1=t.x-1.;t.x=(t_1-2.*floor(t_1*.5))" |
| "-1.;if(sk_Caps.mustDoOpBetweenFloorAndAbs){t.x=clamp(t.x,-1.,1.);}t.x=abs(t" |
| ".x);break;}case 3:if(t.x<0.||t.x>1.){return float2(0.,-1.);}break;}return t" |
| ";}$pure half4 $colorize_grad_4(float4[4]colorsParam,float[4]offsetsParam,float2" |
| " t){if(t.y<0.){return half4(0.);}else if(t.x<=offsetsParam[0]){return half4" |
| "(colorsParam[0]);}else if(t.x<offsetsParam[1]){return half4(mix(colorsParam" |
| "[0],colorsParam[1],(t.x-offsetsParam[0])/(offsetsParam[1]-offsetsParam[0]))" |
| ");}else if(t.x<offsetsParam[2]){return half4(mix(colorsParam[1],colorsParam" |
| "[2],(t.x-offsetsParam[1])/(offsetsParam[2]-offsetsParam[1])));}else if(t.x<" |
| "offsetsParam[3]){return half4(mix(colorsParam[2],colorsParam[3],(t.x-offsetsParam" |
| "[2])/(offsetsParam[3]-offsetsParam[2])));}else{return half4(colorsParam[3])" |
| ";}}$pure half4 $colorize_grad_8(float4[8]colorsParam,float[8]offsetsParam,float2" |
| " t){if(t.y<0.){return half4(0.);}else if(t.x<offsetsParam[4]){if(t.x<offsetsParam" |
| "[2]){if(t.x<=offsetsParam[0]){return half4(colorsParam[0]);}else if(t.x<offsetsParam" |
| "[1]){return half4(mix(colorsParam[0],colorsParam[1],(t.x-offsetsParam[0])/(" |
| "offsetsParam[1]-offsetsParam[0])));}else{return half4(mix(colorsParam[1],colorsParam" |
| "[2],(t.x-offsetsParam[1])/(offsetsParam[2]-offsetsParam[1])));}}else{if(t.x" |
| "<offsetsParam[3]){return half4(mix(colorsParam[2],colorsParam[3],(t.x-offsetsParam" |
| "[2])/(offsetsParam[3]-offsetsParam[2])));}else{return half4(mix(colorsParam" |
| "[3],colorsParam[4],(t.x-offsetsParam[3])/(offsetsParam[4]-offsetsParam[3]))" |
| ");}}}else{if(t.x<offsetsParam[6]){if(t.x<offsetsParam[5]){return half4(mix(" |
| "colorsParam[4],colorsParam[5],(t.x-offsetsParam[4])/(offsetsParam[5]-offsetsParam" |
| "[4])));}else{return half4(mix(colorsParam[5],colorsParam[6],(t.x-offsetsParam" |
| "[5])/(offsetsParam[6]-offsetsParam[5])));}}else{if(t.x<offsetsParam[7]){return" |
| " half4(mix(colorsParam[6],colorsParam[7],(t.x-offsetsParam[6])/(offsetsParam" |
| "[7]-offsetsParam[6])));}else{return half4(colorsParam[7]);}}}}$pure float2 $linear_grad_layout" |
| "(float2 point0Param,float2 point1Param,float2 pos){pos-=point0Param;float2 delta" |
| "=point1Param-point0Param;float t=dot(pos,delta)/dot(delta,delta);return float2" |
| "(t,1.);}$pure float2 $radial_grad_layout(float2 centerParam,float radiusParam" |
| ",float2 pos){float t=distance(pos,centerParam)/radiusParam;return float2(t," |
| "1.);}$pure float2 $sweep_grad_layout(float2 centerParam,float biasParam,float" |
| " scaleParam,float2 pos){pos-=centerParam;float angle=sk_Caps.atan2ImplementedAsAtanYOverX" |
| "?2.*atan(-pos.y,length(pos)-pos.x):atan(-pos.y,-pos.x);float t=((angle*.159154937" |
| "+.5)+biasParam)*scaleParam;return float2(t,1.);}$pure float3x3 $map_to_unit_x" |
| "(float2 p0,float2 p1){return float3x3(0.,-1.,0.,1.,0.,0.,0.,0.,1.)*inverse(" |
| "float3x3(p1.y-p0.y,p0.x-p1.x,0.,p1.x-p0.x,p1.y-p0.y,0.,p0.x,p0.y,1.));}$pure" |
| " float2 $conical_grad_layout(float2 point0Param,float2 point1Param,float radius0Param" |
| ",float radius1Param,float2 pos){const float SK_ScalarNearlyZero=.000244140625" |
| ";float dCenter=distance(point0Param,point1Param);float dRadius=radius1Param" |
| "-radius0Param;bool radial=dCenter<SK_ScalarNearlyZero;bool strip=abs(dRadius" |
| ")<SK_ScalarNearlyZero;if(radial){if(strip){return float2(0.,-1.);}float scale" |
| "=1./dRadius;float scaleSign=sign(dRadius);float bias=radius0Param/dRadius;float2" |
| " pt=(pos-point0Param)*scale;float t=length(pt)*scaleSign-bias;return float2" |
| "(t,1.);}else if(strip){float3x3 transform=$map_to_unit_x(point0Param,point1Param" |
| ");float r=radius0Param/dCenter;float r_2=r*r;float2 pt=(transform*float3(pos" |
| ",1.)).xy;float t=r_2-pt.y*pt.y;if(t<0.){return float2(0.,-1.);}t=pt.x+sqrt(" |
| "t);return float2(t,1.);}else{float f=radius0Param/(radius0Param-radius1Param" |
| ");bool isSwapped=abs(f-1.)<SK_ScalarNearlyZero;if(isSwapped){float2 tmpPt=point0Param" |
| ";point0Param=point1Param;point1Param=tmpPt;f=0.;}float2 Cf=point0Param*(1.-" |
| "f)+point1Param*f;float3x3 transform=$map_to_unit_x(Cf,point1Param);float scaleX" |
| "=abs(1.-f);float scaleY=scaleX;float r1=abs(radius1Param-radius0Param)/dCenter" |
| ";bool isFocalOnCircle=abs(r1-1.)<SK_ScalarNearlyZero;if(isFocalOnCircle){scaleX" |
| "*=.5;scaleY*=.5;}else{scaleX*=r1/(r1*r1-1.);scaleY/=sqrt(abs(r1*r1-1.));}transform" |
| "=float3x3(scaleX,0.,0.,0.,scaleY,0.,0.,0.,1.)*transform;float2 pt=(transform" |
| "*float3(pos,1.)).xy;float invR1=1./r1;float dRadiusSign=sign(1.-f);bool isWellBehaved" |
| "=!isFocalOnCircle&&r1>1.;float x_t=-1.;if(isFocalOnCircle){x_t=dot(pt,pt)/pt" |
| ".x;}else if(isWellBehaved){x_t=length(pt)-pt.x*invR1;}else{float temp=pt.x*" |
| "pt.x-pt.y*pt.y;if(temp>=0.){if(isSwapped||dRadiusSign<0.){x_t=-sqrt(temp)-pt" |
| ".x*invR1;}else{x_t=sqrt(temp)-pt.x*invR1;}}}if(!isWellBehaved&&x_t<0.){return" |
| " float2(0.,-1.);}float t=f+dRadiusSign*x_t;if(isSwapped){t=1.-t;}return float2" |
| "(t,1.);}}$pure half4 sk_linear_grad_4_shader(float2 coords,float4[4]colorsParam" |
| ",float[4]offsetsParam,float2 point0Param,float2 point1Param,int tileMode){float2" |
| " t=$linear_grad_layout(point0Param,point1Param,coords);t=$tile_grad(tileMode" |
| ",t);return $colorize_grad_4(colorsParam,offsetsParam,t);}$pure half4 sk_linear_grad_8_shader" |
| "(float2 coords,float4[8]colorsParam,float[8]offsetsParam,float2 point0Param" |
| ",float2 point1Param,int tileMode){float2 t=$linear_grad_layout(point0Param," |
| "point1Param,coords);t=$tile_grad(tileMode,t);return $colorize_grad_8(colorsParam" |
| ",offsetsParam,t);}$pure half4 sk_radial_grad_4_shader(float2 coords,float4[" |
| "4]colorsParam,float[4]offsetsParam,float2 centerParam,float radiusParam,int" |
| " tileMode){float2 t=$radial_grad_layout(centerParam,radiusParam,coords);t=$tile_grad" |
| "(tileMode,t);return $colorize_grad_4(colorsParam,offsetsParam,t);}$pure half4" |
| " sk_radial_grad_8_shader(float2 coords,float4[8]colorsParam,float[8]offsetsParam" |
| ",float2 centerParam,float radiusParam,int tileMode){float2 t=$radial_grad_layout" |
| "(centerParam,radiusParam,coords);t=$tile_grad(tileMode,t);return $colorize_grad_8" |
| "(colorsParam,offsetsParam,t);}$pure half4 sk_sweep_grad_4_shader(float2 coords" |
| ",float4[4]colorsParam,float[4]offsetsParam,float2 centerParam,float biasParam" |
| ",float scaleParam,int tileMode){float2 t=$sweep_grad_layout(centerParam,biasParam" |
| ",scaleParam,coords);t=$tile_grad(tileMode,t);return $colorize_grad_4(colorsParam" |
| ",offsetsParam,t);}$pure half4 sk_sweep_grad_8_shader(float2 coords,float4[8" |
| "]colorsParam,float[8]offsetsParam,float2 centerParam,float biasParam,float scaleParam" |
| ",int tileMode){float2 t=$sweep_grad_layout(centerParam,biasParam,scaleParam" |
| ",coords);t=$tile_grad(tileMode,t);return $colorize_grad_8(colorsParam,offsetsParam" |
| ",t);}$pure half4 sk_conical_grad_4_shader(float2 coords,float4[4]colorsParam" |
| ",float[4]offsetsParam,float2 point0Param,float2 point1Param,float radius0Param" |
| ",float radius1Param,int tileMode){float2 t=$conical_grad_layout(point0Param" |
| ",point1Param,radius0Param,radius1Param,coords);t=$tile_grad(tileMode,t);return" |
| " $colorize_grad_4(colorsParam,offsetsParam,t);}$pure half4 sk_conical_grad_8_shader" |
| "(float2 coords,float4[8]colorsParam,float[8]offsetsParam,float2 point0Param" |
| ",float2 point1Param,float radius0Param,float radius1Param,int tileMode){float2" |
| " t=$conical_grad_layout(point0Param,point1Param,radius0Param,radius1Param,coords" |
| ");t=$tile_grad(tileMode,t);return $colorize_grad_8(colorsParam,offsetsParam" |
| ",t);}$pure half4 sk_matrix_colorfilter(half4 colorIn,float4x4 m,float4 v,int" |
| " inHSLA){if(bool(inHSLA)){colorIn=$rgb_to_hsl(colorIn.xyz,colorIn.w);}else{" |
| "colorIn=unpremul(colorIn);}half4 colorOut=half4(m*float4(colorIn)+v);if(bool" |
| "(inHSLA)){colorOut=$hsl_to_rgb(colorOut.xyz,colorOut.w);}else{colorOut=saturate" |
| "(colorOut);colorOut.xyz*=colorOut.w;}return colorOut;}$pure half4 sk_blend(" |
| "int blendMode,half4 src,half4 dst){const int kClear=0;const int kSrc=1;const" |
| " int kDst=2;const int kSrcOver=3;const int kDstOver=4;const int kSrcIn=5;const" |
| " int kDstIn=6;const int kSrcOut=7;const int kDstOut=8;const int kSrcATop=9;" |
| "const int kDstATop=10;const int kXor=11;const int kPlus=12;const int kModulate" |
| "=13;const int kScreen=14;const int kOverlay=15;const int kDarken=16;const int" |
| " kLighten=17;const int kColorDodge=18;const int kColorBurn=19;const int kHardLight" |
| "=20;const int kSoftLight=21;const int kDifference=22;const int kExclusion=23" |
| ";const int kMultiply=24;const int kHue=25;const int kSaturation=26;const int" |
| " kColor=27;const int kLuminosity=28;switch(blendMode){case 0:{return blend_clear" |
| "(src,dst);}case 1:{return blend_src(src,dst);}case 2:{return blend_dst(src," |
| "dst);}case 3:{return blend_porter_duff(half4(1.,0.,0.,-1.),src,dst);}case 4" |
| ":{return blend_porter_duff(half4(0.,1.,-1.,0.),src,dst);}case 5:{return blend_porter_duff" |
| "(half4(0.,0.,1.,0.),src,dst);}case 6:{return blend_porter_duff(half4(0.,0.," |
| "0.,1.),src,dst);}case 7:{return blend_porter_duff(half4(0.,0.,-1.,0.),src,dst" |
| ");}case 8:{return blend_porter_duff(half4(0.,0.,0.,-1.),src,dst);}case 9:{return" |
| " blend_porter_duff(half4(0.,0.,1.,-1.),src,dst);}case 10:{return blend_porter_duff" |
| "(half4(0.,0.,-1.,1.),src,dst);}case 11:{return blend_porter_duff(half4(0.,0." |
| ",-1.,-1.),src,dst);}case 12:{return blend_porter_duff(half4(1.,1.,0.,0.),src" |
| ",dst);}case 13:{return blend_modulate(src,dst);}case 14:{return blend_screen" |
| "(src,dst);}case 15:{return blend_overlay(0.,src,dst);}case 16:{return blend_darken" |
| "(1.,src,dst);}case 17:{return blend_darken(-1.,src,dst);}case 18:{return blend_color_dodge" |
| "(src,dst);}case 19:{return blend_color_burn(src,dst);}case 20:{return blend_overlay" |
| "(1.,src,dst);}case 21:{return blend_soft_light(src,dst);}case 22:{return blend_difference" |
| "(src,dst);}case 23:{return blend_exclusion(src,dst);}case 24:{return blend_multiply" |
| "(src,dst);}case 25:{return blend_hslc(half2(0.,1.),src,dst);}case 26:{return" |
| " blend_hslc(half2(1.),src,dst);}case 27:{return blend_hslc(half2(0.),src,dst" |
| ");}case 28:{return blend_hslc(half2(1.,0.),src,dst);}default:return half4(0." |
| ");}}$pure half4 sk_blend_shader(int blendMode,half4 src,half4 dst){return sk_blend" |
| "(blendMode,src,dst);}$pure half4 sk_blend_colorfilter(half4 dstColor,int blendMode" |
| ",float4 srcColor){return sk_blend(blendMode,half4(srcColor),dstColor);}$pure" |
| " half4 sk_table_colorfilter(half4 inColor,sampler2D s){half4 coords=(unpremul" |
| "(inColor)*255.)/256.+.001953125;half4 color=half4(sample(s,float2(half2(coords" |
| ".x,.375))).x,sample(s,float2(half2(coords.y,.625))).x,sample(s,float2(half2" |
| "(coords.z,.875))).x,1.);return color*sample(s,float2(half2(coords.w,.125)))" |
| ".x;}$pure half4 sk_gaussian_colorfilter(half4 inColor){half factor=1.-inColor" |
| ".w;factor=exp((-factor*factor)*4.)-.018;return half4(factor);}"; |
