Shader "TextMeshPro/Distance Field SSD" {
Properties {
_FaceTex ("Face Texture", 2D) = "white" {}
_FaceUVSpeedX ("Face UV Speed X", Range(-5, 5)) = 0.0
_FaceUVSpeedY ("Face UV Speed Y", Range(-5, 5)) = 0.0
[HDR]_FaceColor ("Face Color", Color) = (1,1,1,1)
_FaceDilate ("Face Dilate", Range(-1,1)) = 0
[HDR]_OutlineColor ("Outline Color", Color) = (0,0,0,1)
_OutlineTex ("Outline Texture", 2D) = "white" {}
_OutlineUVSpeedX ("Outline UV Speed X", Range(-5, 5)) = 0.0
_OutlineUVSpeedY ("Outline UV Speed Y", Range(-5, 5)) = 0.0
_OutlineWidth ("Outline Thickness", Range(0, 1)) = 0
_OutlineSoftness ("Outline Softness", Range(0,1)) = 0
_Bevel ("Bevel", Range(0,1)) = 0.5
_BevelOffset ("Bevel Offset", Range(-0.5,0.5)) = 0
_BevelWidth ("Bevel Width", Range(-.5,0.5)) = 0
_BevelClamp ("Bevel Clamp", Range(0,1)) = 0
_BevelRoundness ("Bevel Roundness", Range(0,1)) = 0
_LightAngle ("Light Angle", Range(0.0, 6.2831853)) = 3.1416
[HDR]_SpecularColor ("Specular", Color) = (1,1,1,1)
_SpecularPower ("Specular", Range(0,4)) = 2.0
_Reflectivity ("Reflectivity", Range(5.0,15.0)) = 10
_Diffuse ("Diffuse", Range(0,1)) = 0.5
_Ambient ("Ambient", Range(1,0)) = 0.5
_BumpMap ("Normal map", 2D) = "bump" {}
_BumpOutline ("Bump Outline", Range(0,1)) = 0
_BumpFace ("Bump Face", Range(0,1)) = 0
_ReflectFaceColor ("Reflection Color", Color) = (0,0,0,1)
_ReflectOutlineColor("Reflection Color", Color) = (0,0,0,1)
_Cube ("Reflection Cubemap", Cube) = "black" { /* TexGen CubeReflect */ }
_EnvMatrixRotation ("Texture Rotation", vector) = (0, 0, 0, 0)
[HDR]_UnderlayColor ("Border Color", Color) = (0,0,0, 0.5)
_UnderlayOffsetX ("Border OffsetX", Range(-1,1)) = 0
_UnderlayOffsetY ("Border OffsetY", Range(-1,1)) = 0
_UnderlayDilate ("Border Dilate", Range(-1,1)) = 0
_UnderlaySoftness ("Border Softness", Range(0,1)) = 0
[HDR]_GlowColor ("Color", Color) = (0, 1, 0, 0.5)
_GlowOffset ("Offset", Range(-1,1)) = 0
_GlowInner ("Inner", Range(0,1)) = 0.05
_GlowOuter ("Outer", Range(0,1)) = 0.05
_GlowPower ("Falloff", Range(1, 0)) = 0.75
_WeightNormal ("Weight Normal", float) = 0
_WeightBold ("Weight Bold", float) = 0.5
_ShaderFlags ("Flags", float) = 0
_ScaleRatioA ("Scale RatioA", float) = 1
_ScaleRatioB ("Scale RatioB", float) = 1
_ScaleRatioC ("Scale RatioC", float) = 1
_MainTex ("Font Atlas", 2D) = "white" {}
_TextureWidth ("Texture Width", float) = 512
_TextureHeight ("Texture Height", float) = 512
_GradientScale ("Gradient Scale", float) = 5.0
_ScaleX ("Scale X", float) = 1.0
_ScaleY ("Scale Y", float) = 1.0
_PerspectiveFilter ("Perspective Correction", Range(0, 1)) = 0.875
_Sharpness ("Sharpness", Range(-1,1)) = 0
_VertexOffsetX ("Vertex OffsetX", float) = 0
_VertexOffsetY ("Vertex OffsetY", float) = 0
_MaskCoord ("Mask Coordinates", vector) = (0, 0, 32767, 32767)
_ClipRect ("Clip Rect", vector) = (-32767, -32767, 32767, 32767)
_MaskSoftnessX ("Mask SoftnessX", float) = 0
_MaskSoftnessY ("Mask SoftnessY", float) = 0
_StencilComp ("Stencil Comparison", Float) = 8
_Stencil ("Stencil ID", Float) = 0
_StencilOp ("Stencil Operation", Float) = 0
_StencilWriteMask ("Stencil Write Mask", Float) = 255
_StencilReadMask ("Stencil Read Mask", Float) = 255
_CullMode ("Cull Mode", Float) = 0
_ColorMask ("Color Mask", Float) = 15
}
SubShader {
Tags
{
"Queue" = "Transparent"
"IgnoreProjector" = "True"
"RenderType" = "Transparent"
}
Stencil
{
Ref[_Stencil]
Comp[_StencilComp]
Pass[_StencilOp]
ReadMask[_StencilReadMask]
WriteMask[_StencilWriteMask]
}
Cull[_CullMode]
ZWrite Off
Lighting Off
Fog { Mode Off }
ZTest[unity_GUIZTestMode]
Blend One OneMinusSrcAlpha
ColorMask[_ColorMask]
Pass {
CGPROGRAM
#pragma target 3.0
#pragma vertex VertShader
#pragma fragment PixShader
#pragma shader_feature __ BEVEL_ON
#pragma shader_feature __ UNDERLAY_ON UNDERLAY_INNER
#pragma shader_feature __ GLOW_ON
#pragma shader_feature __ FORCE_LINEAR
#pragma multi_compile __ UNITY_UI_CLIP_RECT
#pragma multi_compile __ UNITY_UI_ALPHACLIP
#include "UnityCG.cginc"
#include "UnityUI.cginc"
#include "TMPro_Properties.cginc"
#include "TMPro.cginc"
struct vertex_t {
UNITY_VERTEX_INPUT_INSTANCE_ID
float4 position : POSITION;
float3 normal : NORMAL;
float4 color : COLOR;
float2 texcoord0 : TEXCOORD0;
float2 texcoord1 : TEXCOORD1;
};
struct pixel_t {
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
float4 position : SV_POSITION;
float4 color : COLOR;
float2 atlas : TEXCOORD0;
float weight : TEXCOORD1;
float2 mask : TEXCOORD2; // Position in object space(xy)
float3 viewDir : TEXCOORD3;
#if (UNDERLAY_ON || UNDERLAY_INNER)
float2 texcoord2 : TEXCOORD4;
float4 underlayColor : COLOR1;
#endif
float4 textures : TEXCOORD5;
};
// Used by Unity internally to handle Texture Tiling and Offset.
float4 _FaceTex_ST;
float4 _OutlineTex_ST;
float4 SRGBToLinear(float4 rgba) {
return float4(lerp(rgba.rgb / 12.92f, pow((rgba.rgb + 0.055f) / 1.055f, 2.4f), step(0.04045f, rgba.rgb)), rgba.a);
}
pixel_t VertShader(vertex_t input)
{
pixel_t output;
UNITY_INITIALIZE_OUTPUT(pixel_t, output);
UNITY_SETUP_INSTANCE_ID(input);
UNITY_TRANSFER_INSTANCE_ID(input,output);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
float bold = step(input.texcoord1.y, 0);
float4 vert = input.position;
vert.x += _VertexOffsetX;
vert.y += _VertexOffsetY;
float4 vPosition = UnityObjectToClipPos(vert);
float weight = lerp(_WeightNormal, _WeightBold, bold) / 4.0;
weight = (weight + _FaceDilate) * _ScaleRatioA * 0.5;
#if (UNDERLAY_ON || UNDERLAY_INNER)
float4 underlayColor = _UnderlayColor;
underlayColor.rgb *= underlayColor.a;
float x = -(_UnderlayOffsetX * _ScaleRatioC) * _GradientScale / _TextureWidth;
float y = -(_UnderlayOffsetY * _ScaleRatioC) * _GradientScale / _TextureHeight;
float2 bOffset = float2(x, y);
#endif
// Generate UV for the Masking Texture
float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
// Support for texture tiling and offset
float2 textureUV = UnpackUV(input.texcoord1.x);
float2 faceUV = TRANSFORM_TEX(textureUV, _FaceTex);
float2 outlineUV = TRANSFORM_TEX(textureUV, _OutlineTex);
float4 color = input.color;
#if (FORCE_LINEAR && !UNITY_COLORSPACE_GAMMA)
color = SRGBToLinear(input.color);
#endif
output.position = vPosition;
output.color = color;
output.atlas = input.texcoord0;
output.weight = weight;
output.mask = half2(vert.xy * 2 - clampedRect.xy - clampedRect.zw);
output.viewDir = mul((float3x3)_EnvMatrix, _WorldSpaceCameraPos.xyz - mul(unity_ObjectToWorld, vert).xyz);
#if (UNDERLAY_ON || UNDERLAY_INNER)
output.texcoord2 = input.texcoord0 + bOffset;
output.underlayColor = underlayColor;
#endif
output.textures = float4(faceUV, outlineUV);
return output;
}
fixed4 PixShader(pixel_t input) : SV_Target
{
UNITY_SETUP_INSTANCE_ID(input);
float c = tex2D(_MainTex, input.atlas).a;
float2 pixelSize = float2(ddx(input.atlas.y), ddy(input.atlas.y));
pixelSize *= _TextureWidth * .75;
float scale = rsqrt(dot(pixelSize, pixelSize)) * _GradientScale * (_Sharpness + 1);
float weight = input.weight;
float bias = (.5 - weight) + (.5 / scale);
float sd = (bias - c) * scale;
float outline = (_OutlineWidth * _ScaleRatioA) * scale;
float softness = (_OutlineSoftness * _ScaleRatioA) * scale;
half4 faceColor = _FaceColor;
half4 outlineColor = _OutlineColor;
faceColor.rgb *= input.color.rgb;
faceColor *= tex2D(_FaceTex, input.textures.xy + float2(_FaceUVSpeedX, _FaceUVSpeedY) * _Time.y);
outlineColor *= tex2D(_OutlineTex, input.textures.zw + float2(_OutlineUVSpeedX, _OutlineUVSpeedY) * _Time.y);
faceColor = GetColor(sd, faceColor, outlineColor, outline, softness);
#if BEVEL_ON
float3 dxy = float3(0.5 / _TextureWidth, 0.5 / _TextureHeight, 0);
float3 n = GetSurfaceNormal(input.atlas, weight, dxy);
float3 bump = UnpackNormal(tex2D(_BumpMap, input.textures.xy + float2(_FaceUVSpeedX, _FaceUVSpeedY) * _Time.y)).xyz;
bump *= lerp(_BumpFace, _BumpOutline, saturate(sd + outline * 0.5));
n = normalize(n - bump);
float3 light = normalize(float3(sin(_LightAngle), cos(_LightAngle), -1.0));
float3 col = GetSpecular(n, light);
faceColor.rgb += col * faceColor.a;
faceColor.rgb *= 1 - (dot(n, light) * _Diffuse);
faceColor.rgb *= lerp(_Ambient, 1, n.z * n.z);
fixed4 reflcol = texCUBE(_Cube, reflect(input.viewDir, -n));
faceColor.rgb += reflcol.rgb * lerp(_ReflectFaceColor.rgb, _ReflectOutlineColor.rgb, saturate(sd + outline * 0.5)) * faceColor.a;
#endif
#if (UNDERLAY_ON || UNDERLAY_INNER)
float bScale = scale;
bScale /= 1 + ((_UnderlaySoftness * _ScaleRatioC) * bScale);
float bBias = (0.5 - weight) * bScale - 0.5 - ((_UnderlayDilate * _ScaleRatioC) * 0.5 * bScale);
#endif
#if UNDERLAY_ON
float d = tex2D(_MainTex, input.texcoord2.xy).a * bScale;
faceColor += input.underlayColor * saturate(d - bBias) * (1 - faceColor.a);
#endif
#if UNDERLAY_INNER
float d = tex2D(_MainTex, input.texcoord2.xy).a * bScale;
faceColor += input.underlayColor * (1 - saturate(d - bBias)) * saturate(1 - sd) * (1 - faceColor.a);
#endif
#if GLOW_ON
float4 glowColor = GetGlowColor(sd, scale);
faceColor.rgb += glowColor.rgb * glowColor.a;
#endif
// Alternative implementation to UnityGet2DClipping with support for softness.
#if UNITY_UI_CLIP_RECT
float2 maskZW = 0.25 / (0.25 * half2(_MaskSoftnessX, _MaskSoftnessY) + (1 / scale));
half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(input.mask.xy)) * maskZW);
faceColor *= m.x * m.y;
#endif
#if UNITY_UI_ALPHACLIP
clip(faceColor.a - 0.001);
#endif
return faceColor * input.color.a;
}
ENDCG
}
}
Fallback "TextMeshPro/Mobile/Distance Field"
CustomEditor "TMPro.EditorUtilities.TMP_SDFShaderGUI"
}
