94 lines
2.5 KiB
Plaintext
94 lines
2.5 KiB
Plaintext
Shader "Unlit/LightArea"
|
|
{
|
|
Properties
|
|
{
|
|
_MainTex ("Texture", 2D) = "white" {}
|
|
}
|
|
SubShader
|
|
{
|
|
Tags {
|
|
"RenderType" = "Transparent"
|
|
"RenderPipeline" = "UniversalPipeline"
|
|
}
|
|
LOD 100
|
|
|
|
Pass
|
|
{
|
|
// Name "LightArea"
|
|
|
|
Tags
|
|
{
|
|
"LightMode" = "LightArea"
|
|
"UniversalMaterialType" = "SimpleLit"
|
|
}
|
|
|
|
// 开启混合
|
|
Blend SrcAlpha OneMinusSrcAlpha
|
|
ZWrite Off
|
|
ZTest Always
|
|
Cull Off
|
|
|
|
|
|
HLSLPROGRAM
|
|
#pragma target 3.0
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
// make gpu instancing work
|
|
#pragma multi_compile_instancing
|
|
|
|
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
|
|
// instancing
|
|
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"
|
|
|
|
struct appdata
|
|
{
|
|
float4 positionOS : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
// gpu instance id
|
|
UNITY_VERTEX_INPUT_INSTANCE_ID
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float2 uv : TEXCOORD0;
|
|
float4 positionHCS : SV_POSITION;
|
|
float passAlpha : COLOR1;
|
|
};
|
|
|
|
sampler2D _MainTex;
|
|
float4 _MainTex_ST;
|
|
|
|
// gpu instance 数据
|
|
UNITY_INSTANCING_BUFFER_START(props)
|
|
// alpha
|
|
UNITY_DEFINE_INSTANCED_PROP(float, _Alpha)
|
|
UNITY_INSTANCING_BUFFER_END(props)
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o;
|
|
// gpu instance id
|
|
UNITY_SETUP_INSTANCE_ID(v);
|
|
|
|
o.positionHCS = TransformObjectToHClip(v.positionOS.xyz);
|
|
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
|
float instAlpha = UNITY_ACCESS_INSTANCED_PROP(props, _Alpha);
|
|
o.passAlpha = instAlpha;
|
|
return o;
|
|
}
|
|
|
|
half4 frag (v2f i) : SV_Target
|
|
{
|
|
// sample the texture
|
|
half4 col = tex2D(_MainTex, i.uv);
|
|
col *= i.passAlpha;
|
|
return col;
|
|
}
|
|
ENDHLSL
|
|
}
|
|
}
|
|
|
|
// Fallback "Universal Render Pipeline/Unlit"
|
|
}
|