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// This is a premultiply-alpha adaptation of the built-in Unity shader "UI/Default" to allow Unity UI stencil masking.
Shader "Spine/SkeletonGraphic Tint Black (Premultiply Alpha)"
{
Properties
{
[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
_Color ("Tint", Color) = (1,1,1,1)
_Black ("Black Point", Color) = (0,0,0,0)
_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
_ColorMask ("Color Mask", Float) = 15
[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
}
SubShader
{
Tags
{
"Queue"="Transparent"
"IgnoreProjector"="True"
"RenderType"="Transparent"
"PreviewType"="Plane"
"CanUseSpriteAtlas"="True"
}
Stencil
{
Ref [_Stencil]
Comp [_StencilComp]
Pass [_StencilOp]
ReadMask [_StencilReadMask]
WriteMask [_StencilWriteMask]
}
Cull Off
Lighting Off
ZWrite Off
ZTest [unity_GUIZTestMode]
Fog { Mode Off }
Blend One OneMinusSrcAlpha
ColorMask [_ColorMask]
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
#include "UnityUI.cginc"
#pragma multi_compile __ UNITY_UI_ALPHACLIP
struct VertexInput {
float4 vertex : POSITION;
float4 color : COLOR;
float2 texcoord : TEXCOORD0;
float2 uv1 : TEXCOORD1;
float2 uv2 : TEXCOORD2;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct VertexOutput {
float4 vertex : SV_POSITION;
fixed4 color : COLOR;
half2 texcoord : TEXCOORD0;
float2 uv1 : TEXCOORD1;
float2 uv2 : TEXCOORD2;
float4 worldPosition : TEXCOORD3;
UNITY_VERTEX_OUTPUT_STEREO
};
fixed4 _Color;
fixed4 _Black;
fixed4 _TextureSampleAdd;
float4 _ClipRect;
VertexOutput vert (VertexInput IN) {
VertexOutput OUT;
UNITY_SETUP_INSTANCE_ID(IN);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
OUT.worldPosition = IN.vertex;
OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);
OUT.texcoord = IN.texcoord;
OUT.color = IN.color * float4(_Color.rgb * _Color.a, _Color.a); // Combine a PMA version of _Color with vertexColor.
OUT.uv1 = IN.uv1;
OUT.uv2 = IN.uv2;
return OUT;
}
sampler2D _MainTex;
fixed4 frag (VertexOutput IN) : SV_Target
{
half4 texColor = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd);
texColor.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
#ifdef UNITY_UI_ALPHACLIP
clip (texColor.a - 0.001);
#endif
return (texColor * IN.color) + float4(((1-texColor.rgb) * (_Black.rgb + float3(IN.uv1.r, IN.uv1.g, IN.uv2.r)) * texColor.a * _Color.a * IN.color.a), 0);
}
ENDCG
}
}
}