437 lines
13 KiB
Plaintext
437 lines
13 KiB
Plaintext
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// Simplified SDF shader:
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// - No Shading Option (bevel / bump / env map)
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// - No Glow Option
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// - Softness is applied on both side of the outline
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Shader "TextMeshPro Fixed/Mobile/Distance Field - Masking" {
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Properties {
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_FaceColor ("Face Color", Color) = (1,1,1,1)
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_FaceDilate ("Face Dilate", Range(-1,1)) = 0
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_OutlineColor ("Outline Color", Color) = (0,0,0,1)
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_OutlineWidth ("Outline Thickness", Range(0,1)) = 0
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_OutlineSoftness ("Outline Softness", Range(0,1)) = 0
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_UnderlayColor ("Border Color", Color) = (0,0,0,.5)
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_UnderlayOffsetX ("Border OffsetX", Range(-1,1)) = 0
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_UnderlayOffsetY ("Border OffsetY", Range(-1,1)) = 0
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_UnderlayDilate ("Border Dilate", Range(-1,1)) = 0
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_UnderlaySoftness ("Border Softness", Range(0,1)) = 0
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_WeightNormal ("Weight Normal", float) = 0
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_WeightBold ("Weight Bold", float) = .5
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_ShaderFlags ("Flags", float) = 0
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_ScaleRatioA ("Scale RatioA", float) = 1
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_ScaleRatioB ("Scale RatioB", float) = 1
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_ScaleRatioC ("Scale RatioC", float) = 1
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_MainTex ("Font Atlas", 2D) = "white" {}
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_TextureWidth ("Texture Width", float) = 512
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_TextureHeight ("Texture Height", float) = 512
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_GradientScale ("Gradient Scale", float) = 5
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_ScaleX ("Scale X", float) = 1
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_ScaleY ("Scale Y", float) = 1
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_PerspectiveFilter ("Perspective Correction", Range(0, 1)) = 0.875
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_VertexOffsetX ("Vertex OffsetX", float) = 0
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_VertexOffsetY ("Vertex OffsetY", float) = 0
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_ClipRect ("Clip Rect", vector) = (-32767, -32767, 32767, 32767)
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_MaskSoftnessX ("Mask SoftnessX", float) = 0
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_MaskSoftnessY ("Mask SoftnessY", float) = 0
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_MaskTex ("Mask Texture", 2D) = "white" {}
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_MaskInverse ("Inverse", float) = 0
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_MaskEdgeColor ("Edge Color", Color) = (1,1,1,1)
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_MaskEdgeSoftness ("Edge Softness", Range(0, 1)) = 0.01
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_MaskWipeControl ("Wipe Position", Range(0, 1)) = 0.5
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_StencilComp ("Stencil Comparison", Float) = 8
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_Stencil ("Stencil ID", Float) = 0
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_StencilOp ("Stencil Operation", Float) = 0
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_StencilWriteMask ("Stencil Write Mask", Float) = 255
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_StencilReadMask ("Stencil Read Mask", Float) = 255
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_ColorMask ("Color Mask", Float) = 15
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}
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SubShader {
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Name "Outline"
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Tags
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{
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"Queue"="Transparent"
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"IgnoreProjector"="True"
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"RenderType"="Transparent"
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}
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Stencil
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{
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Ref [_Stencil]
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Comp [_StencilComp]
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Pass [_StencilOp]
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ReadMask [_StencilReadMask]
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WriteMask [_StencilWriteMask]
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}
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Cull [_CullMode]
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ZWrite Off
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Lighting Off
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Fog { Mode Off }
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ZTest [unity_GUIZTestMode]
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Blend One OneMinusSrcAlpha
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ColorMask [_ColorMask]
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Pass {
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CGPROGRAM
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#pragma vertex VertShader
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#pragma fragment PixShader
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#pragma shader_feature __ OUTLINE_ON
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#pragma shader_feature __ UNDERLAY_ON UNDERLAY_INNER
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#pragma multi_compile __ UNITY_UI_CLIP_RECT
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#pragma multi_compile __ UNITY_UI_ALPHACLIP
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#include "UnityCG.cginc"
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#include "UnityUI.cginc"
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#include "TMPro_Properties.cginc"
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struct vertex_t {
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float4 vertex : POSITION;
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float3 normal : NORMAL;
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fixed4 color : COLOR;
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float2 texcoord0 : TEXCOORD0;
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float2 texcoord1 : TEXCOORD1;
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};
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struct pixel_t {
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float4 vertex : SV_POSITION;
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fixed4 faceColor : COLOR;
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fixed4 outlineColor : COLOR1;
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float4 texcoord0 : TEXCOORD0; // Texture UV, Mask UV
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half4 param : TEXCOORD1; // Scale(x), BiasIn(y), BiasOut(z), Bias(w)
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half4 mask : TEXCOORD2; // Position in clip space(xy), Softness(zw)
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#if (UNDERLAY_ON | UNDERLAY_INNER)
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float4 texcoord1 : TEXCOORD3; // Texture UV, alpha, reserved
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half2 underlayParam : TEXCOORD4; // Scale(x), Bias(y)
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#endif
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};
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float _MaskWipeControl;
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float _MaskEdgeSoftness;
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fixed4 _MaskEdgeColor;
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bool _MaskInverse;
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pixel_t VertShader(vertex_t input)
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{
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float bold = step(input.texcoord1.y, 0);
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float4 vert = input.vertex;
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vert.x += _VertexOffsetX;
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vert.y += _VertexOffsetY;
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float4 vPosition = UnityObjectToClipPos(vert);
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float2 pixelSize = vPosition.w;
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pixelSize /= float2(_ScaleX, _ScaleY) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
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float scale = rsqrt(dot(pixelSize, pixelSize));
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scale *= abs(input.texcoord1.y) * _GradientScale * 1.5;
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if(UNITY_MATRIX_P[3][3] == 0) scale = lerp(abs(scale) * (1 - _PerspectiveFilter), scale, abs(dot(UnityObjectToWorldNormal(input.normal.xyz), normalize(WorldSpaceViewDir(vert)))));
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float weight = lerp(_WeightNormal, _WeightBold, bold) / 4.0;
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weight = (weight + _FaceDilate) * _ScaleRatioA * 0.5;
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float layerScale = scale;
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scale /= 1 + (_OutlineSoftness * _ScaleRatioA * scale);
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float bias = (0.5 - weight) * scale - 0.5;
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float outline = _OutlineWidth * _ScaleRatioA * 0.5 * scale;
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float opacity = input.color.a;
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#if (UNDERLAY_ON | UNDERLAY_INNER)
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opacity = 1.0;
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#endif
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fixed4 faceColor = fixed4(input.color.rgb, opacity) * _FaceColor;
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faceColor.rgb *= faceColor.a;
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fixed4 outlineColor = _OutlineColor;
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outlineColor.a *= opacity;
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outlineColor.rgb *= outlineColor.a;
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outlineColor = lerp(faceColor, outlineColor, sqrt(min(1.0, (outline * 2))));
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#if (UNDERLAY_ON | UNDERLAY_INNER)
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layerScale /= 1 + ((_UnderlaySoftness * _ScaleRatioC) * layerScale);
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float layerBias = (.5 - weight) * layerScale - .5 - ((_UnderlayDilate * _ScaleRatioC) * .5 * layerScale);
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float x = -(_UnderlayOffsetX * _ScaleRatioC) * _GradientScale / _TextureWidth;
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float y = -(_UnderlayOffsetY * _ScaleRatioC) * _GradientScale / _TextureHeight;
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float2 layerOffset = float2(x, y);
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#endif
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// Generate UV for the Masking Texture
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float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
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float2 maskUV = (vert.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
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// Structure for pixel shader
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pixel_t output = {
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vPosition,
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faceColor,
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outlineColor,
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float4(input.texcoord0.x, input.texcoord0.y, maskUV.x, maskUV.y),
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half4(scale, bias - outline, bias + outline, bias),
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half4(vert.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_MaskSoftnessX, _MaskSoftnessY) + pixelSize.xy)),
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#if (UNDERLAY_ON | UNDERLAY_INNER)
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float4(input.texcoord0 + layerOffset, input.color.a, 0),
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half2(layerScale, layerBias),
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#endif
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};
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return output;
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}
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// PIXEL SHADER
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fixed4 PixShader(pixel_t input) : SV_Target
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{
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half d = tex2D(_MainTex, input.texcoord0.xy).a * input.param.x;
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half4 c = input.faceColor * saturate(d - input.param.w);
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#ifdef OUTLINE_ON
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c = lerp(input.outlineColor, input.faceColor, saturate(d - input.param.z));
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c *= saturate(d - input.param.y);
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#endif
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#if UNDERLAY_ON
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d = tex2D(_MainTex, input.texcoord1.xy).a * input.underlayParam.x;
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c += float4(_UnderlayColor.rgb * _UnderlayColor.a, _UnderlayColor.a) * saturate(d - input.underlayParam.y) * (1 - c.a);
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#endif
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#if UNDERLAY_INNER
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half sd = saturate(d - input.param.z);
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d = tex2D(_MainTex, input.texcoord1.xy).a * input.underlayParam.x;
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c += float4(_UnderlayColor.rgb * _UnderlayColor.a, _UnderlayColor.a) * (1 - saturate(d - input.underlayParam.y)) * sd * (1 - c.a);
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#endif
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// Alternative implementation to UnityGet2DClipping with support for softness.
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#if UNITY_UI_CLIP_RECT
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half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(input.mask.xy)) * input.mask.zw);
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c *= m.x * m.y;
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#endif
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float a = abs(_MaskInverse - tex2D(_MaskTex, input.texcoord0.zw).a);
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float t = a + (1 - _MaskWipeControl) * _MaskEdgeSoftness - _MaskWipeControl;
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a = saturate(t / _MaskEdgeSoftness);
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c.rgb = lerp(_MaskEdgeColor.rgb*c.a, c.rgb, a);
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c *= a;
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#if (UNDERLAY_ON | UNDERLAY_INNER)
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c *= input.texcoord1.z;
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#endif
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#if UNITY_UI_ALPHACLIP
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clip(c.a - 0.001);
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#endif
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return c;
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}
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ENDCG
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}
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Name "Base"
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Tags
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{
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"Queue"="Transparent"
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"IgnoreProjector"="True"
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"RenderType"="Transparent"
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}
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Stencil
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{
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Ref [_Stencil]
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Comp [_StencilComp]
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Pass [_StencilOp]
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ReadMask [_StencilReadMask]
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WriteMask [_StencilWriteMask]
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}
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Cull [_CullMode]
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ZWrite Off
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Lighting Off
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Fog { Mode Off }
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ZTest [unity_GUIZTestMode]
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Blend One OneMinusSrcAlpha
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ColorMask [_ColorMask]
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Pass {
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CGPROGRAM
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#pragma vertex VertShader
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#pragma fragment PixShader
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//#pragma shader_feature __ OUTLINE_ON
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//#pragma shader_feature __ UNDERLAY_ON UNDERLAY_INNER
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#pragma multi_compile __ UNITY_UI_CLIP_RECT
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#pragma multi_compile __ UNITY_UI_ALPHACLIP
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#include "UnityCG.cginc"
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#include "UnityUI.cginc"
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#include "TMPro_Properties.cginc"
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struct vertex_t {
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float4 vertex : POSITION;
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float3 normal : NORMAL;
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fixed4 color : COLOR;
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float2 texcoord0 : TEXCOORD0;
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float2 texcoord1 : TEXCOORD1;
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};
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struct pixel_t {
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float4 vertex : SV_POSITION;
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fixed4 faceColor : COLOR;
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//fixed4 outlineColor : COLOR1;
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float4 texcoord0 : TEXCOORD0; // Texture UV, Mask UV
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half4 param : TEXCOORD1; // Scale(x), BiasIn(y), BiasOut(z), Bias(w)
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half4 mask : TEXCOORD2; // Position in clip space(xy), Softness(zw)
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// #if (UNDERLAY_ON | UNDERLAY_INNER)
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// float4 texcoord1 : TEXCOORD3; // Texture UV, alpha, reserved
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// half2 underlayParam : TEXCOORD4; // Scale(x), Bias(y)
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// #endif
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};
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float _MaskWipeControl;
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float _MaskEdgeSoftness;
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fixed4 _MaskEdgeColor;
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bool _MaskInverse;
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pixel_t VertShader(vertex_t input)
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{
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float bold = step(input.texcoord1.y, 0);
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float4 vert = input.vertex;
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vert.x += _VertexOffsetX;
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vert.y += _VertexOffsetY;
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float4 vPosition = UnityObjectToClipPos(vert);
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float2 pixelSize = vPosition.w;
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pixelSize /= float2(_ScaleX, _ScaleY) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
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float scale = rsqrt(dot(pixelSize, pixelSize));
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scale *= abs(input.texcoord1.y) * _GradientScale * 1.5;
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if(UNITY_MATRIX_P[3][3] == 0) scale = lerp(abs(scale) * (1 - _PerspectiveFilter), scale, abs(dot(UnityObjectToWorldNormal(input.normal.xyz), normalize(WorldSpaceViewDir(vert)))));
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float weight = lerp(_WeightNormal, _WeightBold, bold) / 4.0;
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weight = (weight + _FaceDilate) * _ScaleRatioA * 0.5;
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float layerScale = scale;
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// scale /= 1 + (_OutlineSoftness * _ScaleRatioA * scale);
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float bias = (0.5 - weight) * scale - 0.5;
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// float outline = _OutlineWidth * _ScaleRatioA * 0.5 * scale;
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float opacity = input.color.a;
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// #if (UNDERLAY_ON | UNDERLAY_INNER)
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// opacity = 1.0;
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// #endif
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fixed4 faceColor = fixed4(input.color.rgb, opacity) * _FaceColor;
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faceColor.rgb *= faceColor.a;
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// fixed4 outlineColor = _OutlineColor;
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// outlineColor.a *= opacity;
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// outlineColor.rgb *= outlineColor.a;
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// outlineColor = lerp(faceColor, outlineColor, sqrt(min(1.0, (outline * 2))));
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// #if (UNDERLAY_ON | UNDERLAY_INNER)
|
||
|
|
|
||
|
|
// layerScale /= 1 + ((_UnderlaySoftness * _ScaleRatioC) * layerScale);
|
||
|
|
// float layerBias = (.5 - weight) * layerScale - .5 - ((_UnderlayDilate * _ScaleRatioC) * .5 * layerScale);
|
||
|
|
|
||
|
|
// float x = -(_UnderlayOffsetX * _ScaleRatioC) * _GradientScale / _TextureWidth;
|
||
|
|
// float y = -(_UnderlayOffsetY * _ScaleRatioC) * _GradientScale / _TextureHeight;
|
||
|
|
// float2 layerOffset = float2(x, y);
|
||
|
|
// #endif
|
||
|
|
|
||
|
|
// Generate UV for the Masking Texture
|
||
|
|
float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
|
||
|
|
float2 maskUV = (vert.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
|
||
|
|
|
||
|
|
// Structure for pixel shader
|
||
|
|
pixel_t output = {
|
||
|
|
vPosition,
|
||
|
|
faceColor,
|
||
|
|
//outlineColor,
|
||
|
|
float4(input.texcoord0.x, input.texcoord0.y, maskUV.x, maskUV.y),
|
||
|
|
half4(scale, bias, bias , bias),
|
||
|
|
half4(vert.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_MaskSoftnessX, _MaskSoftnessY) + pixelSize.xy)),
|
||
|
|
// #if (UNDERLAY_ON | UNDERLAY_INNER)
|
||
|
|
// float4(input.texcoord0 + layerOffset, input.color.a, 0),
|
||
|
|
// half2(layerScale, layerBias),
|
||
|
|
// #endif
|
||
|
|
};
|
||
|
|
|
||
|
|
return output;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// PIXEL SHADER
|
||
|
|
fixed4 PixShader(pixel_t input) : SV_Target
|
||
|
|
{
|
||
|
|
half d = tex2D(_MainTex, input.texcoord0.xy).a * input.param.x;
|
||
|
|
half4 c = input.faceColor * saturate(d - input.param.w);
|
||
|
|
|
||
|
|
// #ifdef OUTLINE_ON
|
||
|
|
// c = lerp(input.outlineColor, input.faceColor, saturate(d - input.param.z));
|
||
|
|
// c *= saturate(d - input.param.y);
|
||
|
|
// #endif
|
||
|
|
|
||
|
|
// #if UNDERLAY_ON
|
||
|
|
// d = tex2D(_MainTex, input.texcoord1.xy).a * input.underlayParam.x;
|
||
|
|
// c += float4(_UnderlayColor.rgb * _UnderlayColor.a, _UnderlayColor.a) * saturate(d - input.underlayParam.y) * (1 - c.a);
|
||
|
|
// #endif
|
||
|
|
|
||
|
|
// #if UNDERLAY_INNER
|
||
|
|
// half sd = saturate(d - input.param.z);
|
||
|
|
// d = tex2D(_MainTex, input.texcoord1.xy).a * input.underlayParam.x;
|
||
|
|
// c += float4(_UnderlayColor.rgb * _UnderlayColor.a, _UnderlayColor.a) * (1 - saturate(d - input.underlayParam.y)) * sd * (1 - c.a);
|
||
|
|
// #endif
|
||
|
|
|
||
|
|
// Alternative implementation to UnityGet2DClipping with support for softness.
|
||
|
|
#if UNITY_UI_CLIP_RECT
|
||
|
|
half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(input.mask.xy)) * input.mask.zw);
|
||
|
|
c *= m.x * m.y;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
float a = abs(_MaskInverse - tex2D(_MaskTex, input.texcoord0.zw).a);
|
||
|
|
float t = a + (1 - _MaskWipeControl) * _MaskEdgeSoftness - _MaskWipeControl;
|
||
|
|
a = saturate(t / _MaskEdgeSoftness);
|
||
|
|
c.rgb = lerp(_MaskEdgeColor.rgb*c.a, c.rgb, a);
|
||
|
|
c *= a;
|
||
|
|
|
||
|
|
// #if (UNDERLAY_ON | UNDERLAY_INNER)
|
||
|
|
// c *= input.texcoord1.z;
|
||
|
|
// #endif
|
||
|
|
|
||
|
|
#if UNITY_UI_ALPHACLIP
|
||
|
|
clip(c.a - 0.001);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return c;
|
||
|
|
}
|
||
|
|
ENDCG
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
CustomEditor "TMPro.EditorUtilities.TMP_SDFShaderGUI"
|
||
|
|
}
|