diff options
Diffstat (limited to 'Assets/TextMesh Pro/Shaders/TMP_SDF Overlay.shader')
| -rw-r--r-- | Assets/TextMesh Pro/Shaders/TMP_SDF Overlay.shader | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/Assets/TextMesh Pro/Shaders/TMP_SDF Overlay.shader b/Assets/TextMesh Pro/Shaders/TMP_SDF Overlay.shader new file mode 100644 index 0000000..c50c593 --- /dev/null +++ b/Assets/TextMesh Pro/Shaders/TMP_SDF Overlay.shader @@ -0,0 +1,317 @@ +Shader "TextMeshPro/Distance Field Overlay" { + +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"="Overlay" + "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 Always + 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 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; + fixed4 color : COLOR; + float2 texcoord0 : TEXCOORD0; + float2 texcoord1 : TEXCOORD1; + }; + + + struct pixel_t { + UNITY_VERTEX_INPUT_INSTANCE_ID + UNITY_VERTEX_OUTPUT_STEREO + float4 position : SV_POSITION; + fixed4 color : COLOR; + float2 atlas : TEXCOORD0; // Atlas + float4 param : TEXCOORD1; // alphaClip, scale, bias, weight + float4 mask : TEXCOORD2; // Position in object space(xy), pixel Size(zw) + float3 viewDir : TEXCOORD3; + + #if (UNDERLAY_ON || UNDERLAY_INNER) + float4 texcoord2 : TEXCOORD4; // u,v, scale, bias + fixed4 underlayColor : COLOR1; + #endif + float4 textures : TEXCOORD5; + }; + + // Used by Unity internally to handle Texture Tiling and Offset. + float4 _FaceTex_ST; + float4 _OutlineTex_ST; + + 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); + + float2 pixelSize = vPosition.w; + pixelSize /= float2(_ScaleX, _ScaleY) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy)); + float scale = rsqrt(dot(pixelSize, pixelSize)); + scale *= abs(input.texcoord1.y) * _GradientScale * (_Sharpness + 1); + if (UNITY_MATRIX_P[3][3] == 0) scale = lerp(abs(scale) * (1 - _PerspectiveFilter), scale, abs(dot(UnityObjectToWorldNormal(input.normal.xyz), normalize(WorldSpaceViewDir(vert))))); + + float weight = lerp(_WeightNormal, _WeightBold, bold) / 4.0; + weight = (weight + _FaceDilate) * _ScaleRatioA * 0.5; + + float bias =(.5 - weight) + (.5 / scale); + + float alphaClip = (1.0 - _OutlineWidth*_ScaleRatioA - _OutlineSoftness*_ScaleRatioA); + + #if GLOW_ON + alphaClip = min(alphaClip, 1.0 - _GlowOffset * _ScaleRatioB - _GlowOuter * _ScaleRatioB); + #endif + + alphaClip = alphaClip / 2.0 - ( .5 / scale) - weight; + + #if (UNDERLAY_ON || UNDERLAY_INNER) + float4 underlayColor = _UnderlayColor; + underlayColor.rgb *= underlayColor.a; + + float bScale = scale; + bScale /= 1 + ((_UnderlaySoftness*_ScaleRatioC) * bScale); + float bBias = (0.5 - weight) * bScale - 0.5 - ((_UnderlayDilate * _ScaleRatioC) * 0.5 * bScale); + + 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); + float2 maskUV = (vert.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy); + + // Support for texture tiling and offset + float2 textureUV = UnpackUV(input.texcoord1.x); + float2 faceUV = TRANSFORM_TEX(textureUV, _FaceTex); + float2 outlineUV = TRANSFORM_TEX(textureUV, _OutlineTex); + + + output.position = vPosition; + output.color = input.color; + output.atlas = input.texcoord0; + output.param = float4(alphaClip, scale, bias, weight); + output.mask = half4(vert.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_MaskSoftnessX, _MaskSoftnessY) + pixelSize.xy)); + output.viewDir = mul((float3x3)_EnvMatrix, _WorldSpaceCameraPos.xyz - mul(unity_ObjectToWorld, vert).xyz); + #if (UNDERLAY_ON || UNDERLAY_INNER) + output.texcoord2 = float4(input.texcoord0 + bOffset, bScale, bBias); + 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; + + #ifndef UNDERLAY_ON + clip(c - input.param.x); + #endif + + float scale = input.param.y; + float bias = input.param.z; + float weight = input.param.w; + 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 + float d = tex2D(_MainTex, input.texcoord2.xy).a * input.texcoord2.z; + faceColor += input.underlayColor * saturate(d - input.texcoord2.w) * (1 - faceColor.a); + #endif + + #if UNDERLAY_INNER + float d = tex2D(_MainTex, input.texcoord2.xy).a * input.texcoord2.z; + faceColor += input.underlayColor * (1 - saturate(d - input.texcoord2.w)) * 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 + half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(input.mask.xy)) * input.mask.zw); + 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" +} |