console error: Tangram [error]: Style: error compiling program for style '1_translucent-pattern-lines' (program key 'program') <error: unable to serialize object> Error: Error: WebGL program error:
VALIDATE_STATUS: false
ERROR: 0
--- Vertex Shader ---
precision highp float;
#define TANGRAM_EPSILON 0.00001
#define TANGRAM_LAYER_DELTA 0.00006103515625
#define TANGRAM_TILE_SCALE vec3(4096., 4096., u_meters_per_pixel * 256.)
#define TANGRAM_HEIGHT_SCALE 16.0
#define TANGRAM_ALPHA_TEST 0.1
#define TANGRAM_WORLD_POSITION_WRAP 100000.0
#define TANGRAM_BLEND_TRANSLUCENT
#define TANGRAM_MATERIAL_AMBIENT
#define TANGRAM_MATERIAL_DIFFUSE
#define TANGRAM_LIGHTING_FRAGMENT
#define TANGRAM_LAYER_ORDER
#define TANGRAM_CROP_BY_TILE
#define TANGRAM_BLOCK_CAMERA
#define TANGRAM_BLOCK_GLOBAL
#define TANGRAM_BLOCK_SETUP
#define TANGRAM_BLOCK_UTILS
#define TANGRAM_BLOCK_LIGHTING
#define TANGRAM_BLOCK_MATERIAL
#define TANGRAM_VERTEX_SHADER
uniform vec2 u_resolution;uniform vec4 u_tile_origin;uniform float u_tile_proxy_depth;uniform float u_meters_per_pixel;uniform float u_device_pixel_ratio;uniform sampler2D u_uniforms;uniform mat4 u_model;uniform mat4 u_modelView;uniform mat3 u_normalMatrix;uniform mat3 u_inverseNormalMatrix;uniform vec3 u_map_position;uniform float u_antialias;uniform vec2 u_linecaps;uniform float u_linejoin;uniform float u_miter_limit;uniform float u_dash_index;uniform vec2 u_dash_caps;uniform float u_dash_phase;uniform float u_dash_period;attribute vec4 a_position;attribute vec4 a_color;attribute float a_width;
#ifdef TANGRAM_DEBUG_TRIANGLES
attribute vec3 a_barycentric;
#endif
attribute vec2 a_normal;attribute float a_length;attribute vec2 a_segment;attribute vec2 a_texcoord;attribute vec2 a_angles;attribute vec4 a_tangents;attribute float a_closed;varying vec4 v_position;varying vec4 v_local_space_position;varying vec3 v_normal;varying vec4 v_color;varying vec4 v_world_position;
#ifdef TANGRAM_DEBUG_TRIANGLES
varying vec3 v_barycentric;
#endif
varying vec2 v_segment;varying vec2 v_angles;varying vec2 v_texcoord;varying vec2 v_distances;varying vec2 v_miter;varying float v_length;varying float v_linewidth_and_closed;varying float v_joinIndicator;
#define TANGRAM_NORMAL vec3(0., 0., 1.)
#ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING
varying vec4 v_modelpos_base_zoom;
#endif
#if defined(TANGRAM_LIGHTING_VERTEX)
varying vec4 v_lighting;
#endif
#ifndef TANGRAM_HEIGHT_SCALE
float TANGRAM_HEIGHT_SCALE=16.0;
#endif
#define UNPACK_SCALING(x) (x / 1024.)
// tangram-block-start: ShaderProgram, camera, 0
uniform mat4 u_projection;
uniform vec3 u_eye;
uniform vec2 u_center_offset;
void cameraProjection (inout vec4 position) {
position = u_projection * position;
}
// tangram-block-end: ShaderProgram, camera, 0
// tangram-block-start: Material, material, 0
/*Defines globals:materiallight_accumulator_**/struct Material{
#ifdef TANGRAM_MATERIAL_EMISSION
vec4 emission;
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
vec3 emissionScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT
vec4 ambient;
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
vec3 ambientScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE
vec4 diffuse;
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
vec3 diffuseScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
vec4 specular;float shininess;
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
vec3 specularScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
vec3 normalScale;float normalAmount;
#endif
};uniform Material u_material;Material material;
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
uniform sampler2D u_material_emission_texture;
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
uniform sampler2D u_material_ambient_texture;
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
uniform sampler2D u_material_diffuse_texture;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
uniform sampler2D u_material_specular_texture;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
uniform sampler2D u_material_normal_texture;
#endif
vec4 light_accumulator_ambient=vec4(vec3(0.0),1.);vec4 light_accumulator_diffuse=vec4(vec3(0.0),1.);
#ifdef TANGRAM_MATERIAL_SPECULAR
vec4 light_accumulator_specular=vec4(vec3(0.0),1.);
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_SPHEREMAP
vec4 getSphereMap(in sampler2D _tex,in vec3 _eyeToPoint,in vec3 _normal,in vec2 _skew){vec3 eye=normalize(_eyeToPoint);eye.xy-=_skew;eye=normalize(eye);vec3 r=reflect(eye,_normal);r.z+=1.0;float m=2.*length(r);vec2 uv=r.xy/m+.5;return texture2D(_tex,uv);}
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_TRIPLANAR
vec3 getTriPlanarBlend(in vec3 _normal){vec3 blending=abs(_normal);blending=normalize(max(blending,0.00001));float b=(blending.x+blending.y+blending.z);return blending/b;}vec4 getTriPlanar(in sampler2D _tex,in vec3 _pos,in vec3 _normal,in vec3 _scale){vec3 blending=getTriPlanarBlend(_normal);vec4 xaxis=texture2D(_tex,fract(_pos.yz*_scale.x));vec4 yaxis=texture2D(_tex,fract(_pos.xz*_scale.y));vec4 zaxis=texture2D(_tex,fract(_pos.xy*_scale.z));return xaxis*blending.x+yaxis*blending.y+zaxis*blending.z;}
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_PLANAR
vec4 getPlanar(in sampler2D _tex,in vec3 _pos,in vec2 _scale){return texture2D(_tex,fract(_pos.xy*_scale.x));}
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
void calculateNormal(inout vec3 _normal){
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_UV
_normal+=texture2D(u_material_normal_texture,fract(v_texcoord*material.normalScale.xy)).rgb*2.0-1.0;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_PLANAR
vec3 normalTex=getPlanar(u_material_normal_texture,v_world_position.xyz,material.normalScale.xy).rgb*2.0-1.0;_normal+=normalTex;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_TRIPLANAR
vec3 normalTex=getTriPlanar(u_material_normal_texture,v_world_position.xyz,_normal,material.normalScale).rgb*2.0-1.0;_normal+=normalTex;
#endif
_normal=normalize(_normal);}
#endif
void calculateMaterial(in vec3 _eyeToPoint,inout vec3 _normal){
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_UV
material.emission*=texture2D(u_material_emission_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_PLANAR
material.emission*=getPlanar(u_material_emission_texture,v_world_position.xyz,material.emissionScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_TRIPLANAR
material.emission*=getTriPlanar(u_material_emission_texture,v_world_position.xyz,_normal,material.emissionScale);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_SPHEREMAP
material.emission*=getSphereMap(u_material_emission_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_UV
material.ambient*=texture2D(u_material_ambient_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_PLANAR
material.ambient*=getPlanar(u_material_ambient_texture,v_world_position.xyz,material.ambientScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_TRIPLANAR
material.ambient*=getTriPlanar(u_material_ambient_texture,v_world_position.xyz,_normal,material.ambientScale);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_SPHEREMAP
material.ambient*=getSphereMap(u_material_ambient_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_UV
material.diffuse*=texture2D(u_material_diffuse_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_PLANAR
material.diffuse*=getPlanar(u_material_diffuse_texture,v_world_position.xyz,material.diffuseScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_TRIPLANAR
material.diffuse*=getTriPlanar(u_material_diffuse_texture,v_world_position.xyz,_normal,material.diffuseScale);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_SPHEREMAP
material.diffuse*=getSphereMap(u_material_diffuse_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_UV
material.specular*=texture2D(u_material_specular_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_PLANAR
material.specular*=getPlanar(u_material_specular_texture,v_world_position.xyz,material.specularScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_TRIPLANAR
material.specular*=getTriPlanar(u_material_specular_texture,v_world_position.xyz,_normal,material.specularScale);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_SPHEREMAP
material.specular*=getSphereMap(u_material_specular_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
}
// tangram-block-end: Material, material, 0
// tangram-block-start: ShaderProgram, lighting, 0
/*Expected globals:materiallight_accumulator_**/struct DirectionalLight{vec3 ambient;vec3 diffuse;vec3 specular;vec3 direction;};void calculateLight(in DirectionalLight _light,in vec3 _eyeToPoint,in vec3 _normal){light_accumulator_ambient.rgb+=_light.ambient;float nDotVP=clamp(dot(_normal,-_light.direction),0.0,1.0);
#ifdef TANGRAM_MATERIAL_DIFFUSE
light_accumulator_diffuse.rgb+=_light.diffuse*nDotVP;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
float pf=0.0;if(nDotVP>0.0){vec3 reflectVector=reflect(_light.direction,_normal);float eyeDotR=max(dot(normalize(_eyeToPoint),reflectVector),0.0);pf=pow(eyeDotR,material.shininess);}light_accumulator_specular.rgb+=_light.specular*pf;
#endif
}
// tangram-block-end: ShaderProgram, lighting, 0
// tangram-block-start: ShaderProgram, lighting, 1
uniform DirectionalLight u_default_light;
DirectionalLight default_light;
// tangram-block-end: ShaderProgram, lighting, 1
// tangram-block-start: ShaderProgram, lighting, 2
vec4 calculateLighting(in vec3 _eyeToPoint, in vec3 _normal, in vec4 _color) {
// Do initial material calculations over normal, emission, ambient, diffuse and specular values
calculateMaterial(_eyeToPoint,_normal);
// Un roll the loop of individual ligths to calculate
calculateLight(default_light, _eyeToPoint, _normal);
// Final light intensity calculation
vec4 color = vec4(vec3(0.), _color.a); // start with vertex color alpha
#ifdef TANGRAM_MATERIAL_EMISSION
color.rgb = material.emission.rgb;
color.a *= material.emission.a;
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT
color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.ambient.rgb;
color.a *= material.ambient.a;
#else
#ifdef TANGRAM_MATERIAL_DIFFUSE
color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.diffuse.rgb;
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE
color.rgb += light_accumulator_diffuse.rgb * _color.rgb * material.diffuse.rgb;
color.a *= material.diffuse.a;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
color.rgb += light_accumulator_specular.rgb * material.specular.rgb;
color.a *= material.specular.a;
#endif
// Clamp final color
color = clamp(color, 0.0, 1.0);
return color;
}
// tangram-block-end: ShaderProgram, lighting, 2
// tangram-block-start: ShaderProgram, global, 0
#ifdef TANGRAM_VERTEX_SHADER
vec4 modelPosition(){return vec4(a_position.xyz/TANGRAM_TILE_SCALE*exp2(u_tile_origin.z-u_tile_origin.w),1.)+vec4(0.,1.,0.,0.);}vec4 modelPositionBaseZoom(){return vec4(a_position.xyz/TANGRAM_TILE_SCALE,1.)+vec4(0.,1.,0.,0.);}
#endif
vec4 worldPosition(){return v_world_position;}
#ifdef TANGRAM_VERTEX_SHADER
vec4 wrapWorldPosition(vec4 world_position){
#if defined(TANGRAM_WORLD_POSITION_WRAP)
vec2 anchor=u_tile_origin.xy-mod(u_tile_origin.xy,TANGRAM_WORLD_POSITION_WRAP);world_position.xy-=anchor;
#endif
return world_position;}
#endif
#if defined(TANGRAM_VERTEX_SHADER)
vec3 worldNormal(){return TANGRAM_NORMAL;}
#elif defined(TANGRAM_FRAGMENT_SHADER)
vec3 worldNormal(){return u_inverseNormalMatrix*TANGRAM_NORMAL;}
#endif
// tangram-block-end: ShaderProgram, global, 0
// tangram-block-start: ShaderProgram, global, 1
void applyLayerOrder(float layer,inout vec4 position){position.z-=layer*TANGRAM_LAYER_DELTA*position.w;}
// tangram-block-end: ShaderProgram, global, 1
// tangram-block-start: ShaderProgram, global, 2
#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)
attribute vec4 a_selection_color;varying vec4 v_selection_color;uniform vec4 u_selection_discard0;uniform vec4 u_selection_discard1;uniform vec4 u_selection_discard2;uniform vec4 u_selection_discard3;uniform vec4 u_selection_discard4;uniform vec4 u_selection_discard5;uniform vec4 u_selection_discard6;uniform vec4 u_selection_discard7;uniform vec4 u_selection_discard8;uniform vec4 u_selection_discard9;
#endif
// tangram-block-end: ShaderProgram, global, 2
// tangram-block-start: ShaderProgram, global, 3
uniform float u_view_pan_snap_timer;void snapToPixelGrid(inout vec4 position){vec2 position_fract=fract((((position.xy/position.w)+1.)*.5)*u_resolution);vec2 position_snap=position.xy+((step(0.5,position_fract)-position_fract)*position.w*2./u_resolution);
#ifdef TANGRAM_VIEW_PAN_SNAP_RATE
position.xy=mix(position.xy,position_snap,clamp(u_view_pan_snap_timer*TANGRAM_VIEW_PAN_SNAP_RATE,0.,1.));
#else
position.xy=position_snap;
#endif
}
// tangram-block-end: ShaderProgram, global, 3
const float PI=3.141592653589793;const float THETA=15.0*PI/180.0;float cross(in vec2 v1,in vec2 v2){return v1.x*v2.y-v1.y*v2.x;}float signed_distance(in vec2 v1,in vec2 v2,in vec2 v3){return cross(v2-v1,v1-v3)/length(v2-v1);}void rotate(in vec2 v,in float angle,out vec2 result){float cosine=cos(angle);float sine=sin(angle);result=vec2(cosine*v.x-sine*v.y,sine*v.x+cosine*v.y);}void main(){
// tangram-block-start: ShaderProgram, setup, 0
#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)
if(a_selection_color.rgb==vec3(0.)||a_selection_color==u_selection_discard0||a_selection_color==u_selection_discard1||a_selection_color==u_selection_discard2||a_selection_color==u_selection_discard3||a_selection_color==u_selection_discard4||a_selection_color==u_selection_discard5||a_selection_color==u_selection_discard6||a_selection_color==u_selection_discard7||a_selection_color==u_selection_discard8||a_selection_color==u_selection_discard9){gl_Position=vec4(0.,0.,0.,1.);return;}v_selection_color=a_selection_color;
#endif
// tangram-block-end: ShaderProgram, setup, 0
// tangram-block-start: ShaderProgram, setup, 1
default_light = u_default_light;
// tangram-block-end: ShaderProgram, setup, 1
// tangram-block-start: Material, setup, 0
material = u_material;
// tangram-block-end: Material, setup, 0
#ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING
v_modelpos_base_zoom=modelPositionBaseZoom();
#endif
float linewidth=a_width*2.0;v_angles=a_angles;v_segment=a_segment;v_color=a_color;v_length=a_length;v_texcoord=a_texcoord;
#ifdef TANGRAM_DEBUG_TRIANGLES
v_barycentric=a_barycentric;
#endif
v_color.a=min(linewidth,v_color.a);linewidth=max(linewidth,1.0);linewidth/=exp2(u_map_position.z-u_tile_origin.w);v_linewidth_and_closed=linewidth*(a_closed>0.0 ?-1.0 : 1.0);if(v_color.a<=0.0){gl_Position=vec4(0.0,0.0,0.0,1.0);return;}float width=ceil(1.25*u_antialias+linewidth)/2.0;vec2 t1=normalize(a_tangents.xy);vec2 t2=normalize(a_tangents.zw);float u=a_texcoord.x;u*=-1.0;float v=a_texcoord.y;vec4 position=vec4(a_position.xy,a_position.z/TANGRAM_HEIGHT_SCALE,1.0);if(t1!=t2){float angle=a_texcoord.x==1.0 ? a_angles.x : a_angles.y;vec2 t=normalize(t1+t2);vec2 o=vec2(+t.y,-t.x);float segmentLength=a_segment.y-a_segment.x;float magnitude=width/cos(angle/2.0);float sqMagnitude=magnitude*magnitude;float seg1SqMagnitude=dot(a_tangents.xy,a_tangents.xy);float seg2SqMagnitude=dot(a_tangents.zw,a_tangents.zw);if((abs(magnitude)>linewidth)&&(sqMagnitude>=min(seg1SqMagnitude,seg2SqMagnitude))){if(u==1.0){o=vec2(-t2.y,+t2.x);}else{o=vec2(-t1.y,+t1.x);}magnitude=width;angle=0.0;v_angles.x=0.0;v_angles.y=0.0;}if(u_dash_index>0.0){if((abs(angle)>THETA)){position.xy+=v*width*o/cos(angle/2.0);float s=sign(angle);if(angle<0.0){if(u==+1.0){u=v_segment.y+v*width*tan(angle/2.0);if(v==1.0){position.xy-=2.0*width*t1/sin(angle);u-=2.0*width/sin(angle);}}else{u=v_segment.x-v*width*tan(angle/2.0);if(v==1.0){position.xy+=2.0*width*t2/sin(angle);u+=2.0*width/sin(angle);}}}else{if(u==+1.0){u=v_segment.y+v*width*tan(angle/2.0);if(v==-1.0){position.xy+=2.0*width*t1/sin(angle);u+=2.0*width/sin(angle);}}else{u=v_segment.x-v*width*tan(angle/2.0);if(v==-1.0){position.xy-=2.0*width*t2/sin(angle);u-=2.0*width/sin(angle);}}}}else{position.xy+=v*width*o/cos(angle/2.0);if(u==+1.0){u=v_segment.y;}else{u=v_segment.x;}}}else{position.xy+=v*o*magnitude;if(u==+1.0){u=v_segment.y+v*width*tan(angle/2.0);}else{u=v_segment.x-v*width*tan(angle/2.0);}}v_joinIndicator=(segmentLength+v*width*tan(angle/2.0))/segmentLength;}else{v_joinIndicator=-1.0;vec2 o=vec2(+t1.y,-t1.x);position.xy+=v*width*o;if(u==-1.0){u=v_segment.x-width;position.xy-=width*t1;}else{u=v_segment.y+width;position.xy+=width*t2;}}vec2 t;vec2 curr=a_position.xy;if(a_texcoord.x>=0.0){vec2 next=curr+t2*(v_segment.y-v_segment.x);rotate(t1,+a_angles.x/2.0,t);v_miter.x=signed_distance(curr,curr+t,position.xy);rotate(t2,+a_angles.y/2.0,t);v_miter.y=signed_distance(next,next+t,position.xy);}else{vec2 prev=curr-t1*(v_segment.y-v_segment.x);rotate(t1,-a_angles.x/2.0,t);v_miter.x=signed_distance(prev,prev+t,position.xy);rotate(t2,-a_angles.y/2.0,t);v_miter.y=signed_distance(curr,curr+t,position.xy);}v_distances=vec2(u,v*width);v_world_position=wrapWorldPosition(u_model*position);v_local_space_position=position;position=u_modelView*position;
v_position=position;v_normal=normalize(u_normalMatrix*TANGRAM_NORMAL);
#if defined(TANGRAM_LIGHTING_VERTEX)
vec3 normal=v_normal;
v_lighting=calculateLighting(position.xyz-u_eye,normal,vec4(1.));
#endif
cameraProjection(position);
#ifdef TANGRAM_LAYER_ORDER
applyLayerOrder(a_position.w+u_tile_proxy_depth+1.,position);
#endif
gl_Position=position;}
--- Fragment Shader ---
precision highp float;
#define TANGRAM_EPSILON 0.00001
#define TANGRAM_LAYER_DELTA 0.00006103515625
#define TANGRAM_TILE_SCALE vec3(4096., 4096., u_meters_per_pixel * 256.)
#define TANGRAM_HEIGHT_SCALE 16.0
#define TANGRAM_ALPHA_TEST 0.1
#define TANGRAM_WORLD_POSITION_WRAP 100000.0
#define TANGRAM_BLEND_TRANSLUCENT
#define TANGRAM_MATERIAL_AMBIENT
#define TANGRAM_MATERIAL_DIFFUSE
#define TANGRAM_LIGHTING_FRAGMENT
#define TANGRAM_LAYER_ORDER
#define TANGRAM_CROP_BY_TILE
#define TANGRAM_BLOCK_CAMERA
#define TANGRAM_BLOCK_GLOBAL
#define TANGRAM_BLOCK_SETUP
#define TANGRAM_BLOCK_UTILS
#define TANGRAM_BLOCK_LIGHTING
#define TANGRAM_BLOCK_MATERIAL
#define TANGRAM_FRAGMENT_SHADER
uniform vec2 u_resolution;uniform vec4 u_tile_origin;uniform float u_meters_per_pixel;uniform float u_device_pixel_ratio;uniform mat3 u_normalMatrix;uniform mat3 u_inverseNormalMatrix;uniform sampler2D u_dash_atlas;uniform float u_antialias;uniform vec2 u_linecaps;uniform float u_linejoin;uniform float u_miter_limit;uniform float u_dash_phase;uniform float u_dash_period;uniform float u_dash_index;uniform vec2 u_dash_caps;varying vec4 v_position;varying vec4 v_local_space_position;varying vec3 v_normal;varying vec4 v_color;varying vec4 v_world_position;
#ifdef TANGRAM_DEBUG_TRIANGLES
varying vec3 v_barycentric;
#endif
varying vec2 v_segment;varying vec2 v_angles;varying vec2 v_texcoord;varying vec2 v_distances;varying vec2 v_miter;varying float v_length;varying float v_linewidth_and_closed;varying float v_joinIndicator;
#define TANGRAM_NORMAL v_normal
#ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING
varying vec4 v_modelpos_base_zoom;
#endif
#if defined(TANGRAM_LIGHTING_VERTEX)
varying vec4 v_lighting;
#endif
// tangram-block-start: ShaderProgram, camera, 0
uniform mat4 u_projection;
uniform vec3 u_eye;
uniform vec2 u_center_offset;
void cameraProjection (inout vec4 position) {
position = u_projection * position;
}
// tangram-block-end: ShaderProgram, camera, 0
// tangram-block-start: Material, material, 0
/*Defines globals:materiallight_accumulator_**/struct Material{
#ifdef TANGRAM_MATERIAL_EMISSION
vec4 emission;
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
vec3 emissionScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT
vec4 ambient;
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
vec3 ambientScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE
vec4 diffuse;
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
vec3 diffuseScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
vec4 specular;float shininess;
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
vec3 specularScale;
#endif
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
vec3 normalScale;float normalAmount;
#endif
};uniform Material u_material;Material material;
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
uniform sampler2D u_material_emission_texture;
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
uniform sampler2D u_material_ambient_texture;
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
uniform sampler2D u_material_diffuse_texture;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
uniform sampler2D u_material_specular_texture;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
uniform sampler2D u_material_normal_texture;
#endif
vec4 light_accumulator_ambient=vec4(vec3(0.0),1.);vec4 light_accumulator_diffuse=vec4(vec3(0.0),1.);
#ifdef TANGRAM_MATERIAL_SPECULAR
vec4 light_accumulator_specular=vec4(vec3(0.0),1.);
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_SPHEREMAP
vec4 getSphereMap(in sampler2D _tex,in vec3 _eyeToPoint,in vec3 _normal,in vec2 _skew){vec3 eye=normalize(_eyeToPoint);eye.xy-=_skew;eye=normalize(eye);vec3 r=reflect(eye,_normal);r.z+=1.0;float m=2.*length(r);vec2 uv=r.xy/m+.5;return texture2D(_tex,uv);}
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_TRIPLANAR
vec3 getTriPlanarBlend(in vec3 _normal){vec3 blending=abs(_normal);blending=normalize(max(blending,0.00001));float b=(blending.x+blending.y+blending.z);return blending/b;}vec4 getTriPlanar(in sampler2D _tex,in vec3 _pos,in vec3 _normal,in vec3 _scale){vec3 blending=getTriPlanarBlend(_normal);vec4 xaxis=texture2D(_tex,fract(_pos.yz*_scale.x));vec4 yaxis=texture2D(_tex,fract(_pos.xz*_scale.y));vec4 zaxis=texture2D(_tex,fract(_pos.xy*_scale.z));return xaxis*blending.x+yaxis*blending.y+zaxis*blending.z;}
#endif
#ifdef TANGRAM_MATERIAL_TEXTURE_PLANAR
vec4 getPlanar(in sampler2D _tex,in vec3 _pos,in vec2 _scale){return texture2D(_tex,fract(_pos.xy*_scale.x));}
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE
void calculateNormal(inout vec3 _normal){
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_UV
_normal+=texture2D(u_material_normal_texture,fract(v_texcoord*material.normalScale.xy)).rgb*2.0-1.0;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_PLANAR
vec3 normalTex=getPlanar(u_material_normal_texture,v_world_position.xyz,material.normalScale.xy).rgb*2.0-1.0;_normal+=normalTex;
#endif
#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_TRIPLANAR
vec3 normalTex=getTriPlanar(u_material_normal_texture,v_world_position.xyz,_normal,material.normalScale).rgb*2.0-1.0;_normal+=normalTex;
#endif
_normal=normalize(_normal);}
#endif
void calculateMaterial(in vec3 _eyeToPoint,inout vec3 _normal){
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_UV
material.emission*=texture2D(u_material_emission_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_PLANAR
material.emission*=getPlanar(u_material_emission_texture,v_world_position.xyz,material.emissionScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_TRIPLANAR
material.emission*=getTriPlanar(u_material_emission_texture,v_world_position.xyz,_normal,material.emissionScale);
#endif
#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_SPHEREMAP
material.emission*=getSphereMap(u_material_emission_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_UV
material.ambient*=texture2D(u_material_ambient_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_PLANAR
material.ambient*=getPlanar(u_material_ambient_texture,v_world_position.xyz,material.ambientScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_TRIPLANAR
material.ambient*=getTriPlanar(u_material_ambient_texture,v_world_position.xyz,_normal,material.ambientScale);
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_SPHEREMAP
material.ambient*=getSphereMap(u_material_ambient_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_UV
material.diffuse*=texture2D(u_material_diffuse_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_PLANAR
material.diffuse*=getPlanar(u_material_diffuse_texture,v_world_position.xyz,material.diffuseScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_TRIPLANAR
material.diffuse*=getTriPlanar(u_material_diffuse_texture,v_world_position.xyz,_normal,material.diffuseScale);
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_SPHEREMAP
material.diffuse*=getSphereMap(u_material_diffuse_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_UV
material.specular*=texture2D(u_material_specular_texture,v_texcoord);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_PLANAR
material.specular*=getPlanar(u_material_specular_texture,v_world_position.xyz,material.specularScale.xy);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_TRIPLANAR
material.specular*=getTriPlanar(u_material_specular_texture,v_world_position.xyz,_normal,material.specularScale);
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_SPHEREMAP
material.specular*=getSphereMap(u_material_specular_texture,_eyeToPoint,_normal,u_center_offset);
#endif
#endif
}
// tangram-block-end: Material, material, 0
// tangram-block-start: ShaderProgram, lighting, 0
/*Expected globals:materiallight_accumulator_**/struct DirectionalLight{vec3 ambient;vec3 diffuse;vec3 specular;vec3 direction;};void calculateLight(in DirectionalLight _light,in vec3 _eyeToPoint,in vec3 _normal){light_accumulator_ambient.rgb+=_light.ambient;float nDotVP=clamp(dot(_normal,-_light.direction),0.0,1.0);
#ifdef TANGRAM_MATERIAL_DIFFUSE
light_accumulator_diffuse.rgb+=_light.diffuse*nDotVP;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
float pf=0.0;if(nDotVP>0.0){vec3 reflectVector=reflect(_light.direction,_normal);float eyeDotR=max(dot(normalize(_eyeToPoint),reflectVector),0.0);pf=pow(eyeDotR,material.shininess);}light_accumulator_specular.rgb+=_light.specular*pf;
#endif
}
// tangram-block-end: ShaderProgram, lighting, 0
// tangram-block-start: ShaderProgram, lighting, 1
uniform DirectionalLight u_default_light;
DirectionalLight default_light;
// tangram-block-end: ShaderProgram, lighting, 1
// tangram-block-start: ShaderProgram, lighting, 2
vec4 calculateLighting(in vec3 _eyeToPoint, in vec3 _normal, in vec4 _color) {
// Do initial material calculations over normal, emission, ambient, diffuse and specular values
calculateMaterial(_eyeToPoint,_normal);
// Un roll the loop of individual ligths to calculate
calculateLight(default_light, _eyeToPoint, _normal);
// Final light intensity calculation
vec4 color = vec4(vec3(0.), _color.a); // start with vertex color alpha
#ifdef TANGRAM_MATERIAL_EMISSION
color.rgb = material.emission.rgb;
color.a *= material.emission.a;
#endif
#ifdef TANGRAM_MATERIAL_AMBIENT
color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.ambient.rgb;
color.a *= material.ambient.a;
#else
#ifdef TANGRAM_MATERIAL_DIFFUSE
color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.diffuse.rgb;
#endif
#endif
#ifdef TANGRAM_MATERIAL_DIFFUSE
color.rgb += light_accumulator_diffuse.rgb * _color.rgb * material.diffuse.rgb;
color.a *= material.diffuse.a;
#endif
#ifdef TANGRAM_MATERIAL_SPECULAR
color.rgb += light_accumulator_specular.rgb * material.specular.rgb;
color.a *= material.specular.a;
#endif
// Clamp final color
color = clamp(color, 0.0, 1.0);
return color;
}
// tangram-block-end: ShaderProgram, lighting, 2
// tangram-block-start: ShaderProgram, global, 0
#ifdef TANGRAM_VERTEX_SHADER
vec4 modelPosition(){return vec4(a_position.xyz/TANGRAM_TILE_SCALE*exp2(u_tile_origin.z-u_tile_origin.w),1.)+vec4(0.,1.,0.,0.);}vec4 modelPositionBaseZoom(){return vec4(a_position.xyz/TANGRAM_TILE_SCALE,1.)+vec4(0.,1.,0.,0.);}
#endif
vec4 worldPosition(){return v_world_position;}
#ifdef TANGRAM_VERTEX_SHADER
vec4 wrapWorldPosition(vec4 world_position){
#if defined(TANGRAM_WORLD_POSITION_WRAP)
vec2 anchor=u_tile_origin.xy-mod(u_tile_origin.xy,TANGRAM_WORLD_POSITION_WRAP);world_position.xy-=anchor;
#endif
return world_position;}
#endif
#if defined(TANGRAM_VERTEX_SHADER)
vec3 worldNormal(){return TANGRAM_NORMAL;}
#elif defined(TANGRAM_FRAGMENT_SHADER)
vec3 worldNormal(){return u_inverseNormalMatrix*TANGRAM_NORMAL;}
#endif
// tangram-block-end: ShaderProgram, global, 0
// tangram-block-start: ShaderProgram, global, 1
void applyLayerOrder(float layer,inout vec4 position){position.z-=layer*TANGRAM_LAYER_DELTA*position.w;}
// tangram-block-end: ShaderProgram, global, 1
// tangram-block-start: ShaderProgram, global, 2
#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)
attribute vec4 a_selection_color;varying vec4 v_selection_color;uniform vec4 u_selection_discard0;uniform vec4 u_selection_discard1;uniform vec4 u_selection_discard2;uniform vec4 u_selection_discard3;uniform vec4 u_selection_discard4;uniform vec4 u_selection_discard5;uniform vec4 u_selection_discard6;uniform vec4 u_selection_discard7;uniform vec4 u_selection_discard8;uniform vec4 u_selection_discard9;
#endif
// tangram-block-end: ShaderProgram, global, 2
// tangram-block-start: ShaderProgram, global, 3
uniform float u_view_pan_snap_timer;void snapToPixelGrid(inout vec4 position){vec2 position_fract=fract((((position.xy/position.w)+1.)*.5)*u_resolution);vec2 position_snap=position.xy+((step(0.5,position_fract)-position_fract)*position.w*2./u_resolution);
#ifdef TANGRAM_VIEW_PAN_SNAP_RATE
position.xy=mix(position.xy,position_snap,clamp(u_view_pan_snap_timer*TANGRAM_VIEW_PAN_SNAP_RATE,0.,1.));
#else
position.xy=position_snap;
#endif
}
// tangram-block-end: ShaderProgram, global, 3
// tangram-block-start: ShaderProgram, utils, 0
#ifndef UTILS
#define UTILS
bool isLocalSpacePixelOutsideTile(vec4 pixel_local_space_position,float tile_scale){return pixel_local_space_position.x<0.||pixel_local_space_position.x>=tile_scale||pixel_local_space_position.y>0.||pixel_local_space_position.y<=-tile_scale;}
#endif
// tangram-block-end: ShaderProgram, utils, 0
const float PI=3.141592653589793;const float HALF_PI=PI/2.0;const float THETA=15.0*PI/180.0;/***Compute distance to cap.*@param{int}type The Type of the cap(see CAP_TYPE in pattern_lines)*@param{float}dx The distance of the pixel from the beginning of the line(not straight distance,but along the legs)*@param{float}dy The distance of the pixel from the midline(see v_distances in vertex shader,aka ±1*half_line_width)*@param{float}aa_radius The distance from the mid-line from where antialiasing starts.*For example for a linewidth 10px width and 2px filter radius it is 10px/2-2px=3px.*@return{float}distance*/float cap(int type,float dx,float dy,float aa_radius){float dist=0.0;dx=abs(dx);dy=abs(dy);if(type==1)dist=sqrt(dx*dx+dy*dy);else if(type==3)dist=(dx+abs(dy));else if(type==2)dist=max(abs(dy),(aa_radius+dx-abs(dy)));else if(type==4)dist=max(dx,dy);else if(type==5)dist=max(dx+aa_radius,dy);return dist;}/***Compute distance to join.*@param{int}type The type of the join(see JOIN_TYPE in pattern_lines)*@param{vec2}segment Interpolated a_segment attribute from the vertex shader*@param{vec2}texcoord Pair of u/v coordinates to identify the 4 different extruded points of the segment.*@param{vec2}distances 2 component vector where:*x is the distance of the pixel from the beginning of the line(along the legs)*y is the distance of the pixel from the midline(see v_distances in vertex shader,±1*half_line_width)*@param{vec2}miter Miter point coordiante*@param{float}miter_limit The miter limit*@param{float}linewidth The width of the line*@return{float}computed distance*/float join(in int type,in vec2 segment,in vec2 texcoord,in vec2 distances,in vec2 miter,in float miter_limit,in float linewidth){float dx=distances.x;float result=abs(distances.y);if((dx<segment.x)||(dx>segment.y)){if(type==1){float s=dx<segment.x ? segment.x : segment.y;result=max(result,length(distances-vec2(s,0.0)));}else{float m=abs(texcoord.x>=0.0 ? miter.x : miter.y);if(type==2){result=max(result,m);}else if(type==0){result=max(result,m-miter_limit*linewidth/2.0);}}}return result;}void main(void){
// tangram-block-start: ShaderProgram, setup, 0
#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)
if(a_selection_color.rgb==vec3(0.)||a_selection_color==u_selection_discard0||a_selection_color==u_selection_discard1||a_selection_color==u_selection_discard2||a_selection_color==u_selection_discard3||a_selection_color==u_selection_discard4||a_selection_color==u_selection_discard5||a_selection_color==u_selection_discard6||a_selection_color==u_selection_discard7||a_selection_color==u_selection_discard8||a_selection_color==u_selection_discard9){gl_Position=vec4(0.,0.,0.,1.);return;}v_selection_color=a_selection_color;
#endif
// tangram-block-end: ShaderProgram, setup, 0
// tangram-block-start: ShaderProgram, setup, 1
default_light = u_default_light;
// tangram-block-end: ShaderProgram, setup, 1
// tangram-block-start: Material, setup, 0
material = u_material;
// tangram-block-end: Material, setup, 0
vec4 color=v_color;vec3 normal=TANGRAM_NORMAL;
#ifdef TANGRAM_CROP_BY_TILE
if(isLocalSpacePixelOutsideTile(v_local_space_position,TANGRAM_TILE_SCALE.x)){discard;}
#endif
#if defined(TANGRAM_LIGHTING_FRAGMENT) && defined(TANGRAM_MATERIAL_NORMAL_TEXTURE)
calculateNormal(normal);
#endif
#if !defined(TANGRAM_LIGHTING_VERTEX)
#endif
#if defined(TANGRAM_LIGHTING_FRAGMENT)
color=calculateLighting(v_position.xyz-u_eye,normal,color);
#elif defined(TANGRAM_LIGHTING_VERTEX)
color*=v_lighting;
#endif
if(v_color.a<=0.0){discard;}bool solid=(u_dash_index==0.0);bool closed=v_linewidth_and_closed<0.0;float dx=v_distances.x;float dy=v_distances.y;float linewidth=abs(v_linewidth_and_closed);float aa_radius=linewidth/2.0-u_antialias;float dist=0.0;vec2 linecaps=u_linecaps;vec2 dash_caps=u_dash_caps;float line_start=0.0;float line_stop=v_length;if(solid){dist=abs(dy);bool potentialCap=!closed&&v_joinIndicator<0.0;if(potentialCap&&dx<line_start){dist=cap(int(u_linecaps.x),abs(dx),abs(dy),aa_radius);}else if(potentialCap&&dx>line_stop){dist=cap(int(u_linecaps.y),abs(dx)-line_stop,abs(dy),aa_radius);}else{dist=join(int(u_linejoin),v_segment,v_texcoord,v_distances,v_miter,u_miter_limit,linewidth);}}else{float segment_start=v_segment.x;float segment_stop=v_segment.y;float segment_center=(segment_start+segment_stop)/2.0;float freq=u_dash_period*linewidth;float dash_phase=u_dash_phase-1e-5;float u=mod(dx+dash_phase*linewidth,freq);vec4 tex=texture2D(u_dash_atlas,vec2(u/freq,u_dash_index));float dash_center=float(tex.x)*255.0*linewidth;float dash_type=floor(float(tex.y)*255.0+0.5);float _start=float(tex.z)*255.0*linewidth;float _stop=float(tex.a)*255.0*linewidth;float dash_start=dx-u+_start;float dash_stop=dx-u+_stop;if((dash_stop<segment_start)&&(dash_caps.x!=5.0)){float u=mod(segment_start+dash_phase*linewidth,freq);vec4 tex=texture2D(u_dash_atlas,vec2(u/freq,u_dash_index));dash_center=float(tex.x)*255.0*linewidth;float _start=float(tex.z)*255.0*linewidth;float _stop=float(tex.a)*255.0*linewidth;dash_start=segment_start-u+_start;dash_stop=segment_start-u+_stop;}else if((dash_start>segment_stop)&&(dash_caps.y!=5.0)){float u=mod(segment_stop+dash_phase*linewidth,freq);vec4 tex=texture2D(u_dash_atlas,vec2(u/freq,u_dash_index));dash_center=float(tex.x)*255.0*linewidth;float _start=float(tex.z)*255.0*linewidth;float _stop=float(tex.a)*255.0*linewidth;dash_start=segment_stop-u+_start;dash_stop=segment_stop-u+_stop;}bool discontinuous=((dx<segment_center)&&abs(v_angles.x)>THETA)||((dx>=segment_center)&&abs(v_angles.y)>THETA);float d_join=join(int(u_linejoin),v_segment,v_texcoord,v_distances,v_miter,u_miter_limit,linewidth);if(closed){line_start+=linewidth/2.0;line_stop-=linewidth/2.0;}if(dash_stop<=line_start){discard;}if(dash_start>=line_stop){discard;}if(discontinuous){if((dash_start>segment_stop)){discard;}if((dash_stop<segment_start)){discard;}if(dash_caps.x==1.0){if((u>_stop)&&(dash_stop>segment_stop)&&(abs(v_angles.y)<HALF_PI)){discard;}}if(dash_caps.y==1.0){if((u<_start)&&(dash_start<segment_start)&&(abs(v_angles.x)<HALF_PI)){discard;}}if((dash_caps.x!=1.0)&&(dash_caps.x!=5.0)){if((dash_start<segment_start)&&(abs(v_angles.x)<HALF_PI)){float a=v_angles.x/2.0;float cos_a=cos(a);float sin_a=sin(a);float x=(segment_start-dx)*cos_a-dy*sin_a;float y=(segment_start-dx)*sin_a+dy*cos_a;if(x>0.0){discard;}dash_caps.x=4.0;}}if((dash_caps.y!=1.0)&&(dash_caps.y!=5.0)){if((dash_stop>segment_stop)&&(abs(v_angles.y)<HALF_PI)){float a=v_angles.y/2.0;float cos_a=cos(a);float sin_a=sin(a);float x=(dx-segment_stop)*cos_a-dy*sin_a;float y=(dx-segment_stop)*sin_a+dy*cos_a;if(x>0.0){discard;}dash_caps.y=4.0;}}}if((dx<line_start)&&(dash_start<=line_start)&&(dash_stop>line_start)){dist=cap(int(linecaps.x),dx-line_start,dy,aa_radius);}else if((dx>line_stop)&&(dash_stop>line_stop)&&(dash_start<line_stop)){dist=cap(int(linecaps.y),dx-line_stop,dy,aa_radius);}else if(dash_type==1.0){dist=cap(int(dash_caps.x),abs(dash_center-u),dy,aa_radius);if((dx>line_start)&&(dx<line_stop)){dist=max(dist,d_join);}}else if(dash_type==0.0){dist=abs(dy);}else if(dash_type==2.0){dist=cap(int(dash_caps.y),abs(u-dash_center),dy,aa_radius);if((dx>line_start)&&(dx<line_stop)){dist=max(dist,d_join);}}if((dx>line_start)&&(dx<line_stop)){if((dx<=segment_start)&&(dash_start<=segment_start)&&(dash_stop>=segment_start)){dist=d_join;float angle=HALF_PI+v_angles.x;float f=abs((segment_start-dx)*cos(angle)-dy*sin(angle));dist=max(f,dist);}else if((dx>segment_stop)&&(dash_start<=segment_stop)&&(dash_stop>=segment_stop)){dist=d_join;float angle=HALF_PI+v_angles.y;float f=abs((dx-segment_stop)*cos(angle)-dy*sin(angle));dist=max(f,dist);}else if(dx<(segment_start-linewidth/2.)){discard;}else if(dx>(segment_stop+linewidth/2.)){discard;}}else if(dx<(segment_start-linewidth/2.)){discard;}else if(dx>(segment_stop+linewidth/2.)){discard;}}dist=dist-aa_radius;if(dist>=0.0){if(u_antialias==0.0){discard;}else{color=vec4(color.rgb,exp(-dist*dist)*color.a);}}
#ifdef TANGRAM_DEBUG_TRIANGLES
if(any(lessThan(v_barycentric,vec3(0.0085)))){color=vec4(0.0,1.0,0.0,1.0);}
#endif
gl_FragColor=color;}
at Function.Qo.updateProgram (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:654951)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:647861)
at Object.getProgram (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:690422)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1025234)
at https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1024997
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1025131)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1024071)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1022496)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1022078)
at t.value (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:1021380)
at Cl.V (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:175228)
at S.n.ci (https://<PROD_URL>/js/chunk.heremaps.cadf2092.js:1:203958)
at i (https://<PROD_URL>/js/chunk-vendors.d14c51b3.js:31:387261)
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