com.unity.uiextensions/Shaders/SoftMaskShaderText.shader

155 lines
3.4 KiB
GLSL

Shader "UI Extensions/SoftMaskShaderText"
{
Properties
{
[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
_Color("Tint", Color) = (1,1,1,1)
_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
_Min("Min",Vector) = (0,0,0,0)
_Max("Max",Vector) = (1,1,0,0)
_AlphaMask("AlphaMask - Must be Wrapped",2D) = "white"{}
_CutOff("CutOff",Float) = 0
[MaterialToggle]
_HardBlend("HardBlend",Float) = 0
_FlipAlphaMask("Flip Alpha Mask",int) = 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]
Blend SrcAlpha OneMinusSrcAlpha
ColorMask[_ColorMask]
Pass
{
CGPROGRAM
// Upgrade NOTE: excluded shader from DX11 and Xbox360; has structs without semantics (struct v2f members _ProgressColor,_Value,_Min,_Max,_Mul,_CutOff)
#pragma exclude_renderers d3d11 xbox360
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata_t
{
float4 vertex : POSITION;
float4 color : COLOR;
float2 texcoord : TEXCOORD0;
};
struct v2f
{
float4 vertex : SV_POSITION;
fixed4 color : COLOR;
half2 texcoord : TEXCOORD0;
float4 worldPosition : TEXCOORD1;
float4 worldPosition2 : COLOR1;
fixed4 _Color;
fixed4 _TextureSampleAdd;
bool _UseAlphaClip;
float4 _ProgressColor;
float _Value;
int _LeftToRight;
int _HardBlend = false;
int _FlipAlphaMask = 0;
sampler2D _MainTex;
sampler2D _AlphaMask;
float2 _Min;
float2 _Max;
float2 _Mul;
float _CutOff;
int _NoOuterClip;
v2f vert(appdata_t IN)
{
v2f OUT;
OUT.worldPosition = IN.vertex;
OUT.vertex = mul(UNITY_MATRIX_MVP, OUT.worldPosition);
OUT.worldPosition2 = mul(_Object2World, IN.vertex);
OUT.texcoord = IN.texcoord;
#ifdef UNITY_HALF_TEXEL_OFFSET
OUT.vertex.xy += (_ScreenParams.zw - 1.0)*float2(-1,1);
OUT.worldPosition2 += (_ScreenParams.zw - 1.0)*float2(-1, 1);
#endif
OUT.color = IN.color * _Color;
return OUT;
}
fixed4 frag(v2f IN) : SV_Target
{
half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd);
// Do we want to clip the image to the Mask Rectangle?
if (IN.worldPosition2.x <= _Min.x || IN.worldPosition2.x >= _Max.x || IN.worldPosition2.y <= _Min.y || IN.worldPosition2.y >= _Max.y)
color.a = 0;
else // It's in the mask rectangle, so apply the alpha of the mask provided.
{
float a = tex2D(_AlphaMask, (IN.worldPosition2.xy - _Max) / (_Max-_Min)).a;
if (a <= _CutOff)
a = 0;
else
{
if (_HardBlend)
a = 1;
}
if (_FlipAlphaMask == 1)
a = 1 - a;
if(!(IN.worldPosition2.x <= _Min.x || IN.worldPosition2.x >= _Max.x || IN.worldPosition2.y <= _Min.y || IN.worldPosition2.y >= _Max.y))
color *= a;
}
if (_UseAlphaClip)
clip(color.a - 0.001);
return color;
}
ENDCG
}
}
}