88 lines
2.2 KiB
Plaintext
88 lines
2.2 KiB
Plaintext
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Shader "Hide/HIDE_DrawTex"
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{
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Properties
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{
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_MainTex ("Texture", 2D) = "white" {}
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_MainColor ("Color", Color) = (1,1,1,1)
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}
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SubShader
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{
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Tags {
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"RenderType"="Transparent"
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"RenderPipeline" = "UniversalPipeline"
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}
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Pass
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{
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Name "DrawTex"
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Cull Off
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ZTest Off
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ZClip Off
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ZWrite Off
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// BlendOp Multiply
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Blend SrcAlpha DstColor
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HLSLPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
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// #include "UnityCG.cginc"
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struct appdata
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{
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float4 vertex : POSITION;
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float3 color : COLOR;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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float4 color: COLOR;
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};
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TEXTURE2D(_MainTex);
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SAMPLER(sampler_MainTex);
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CBUFFER_START(UnityPerMaterial)
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float4 _MainTex_ST;
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float4 _MainColor;
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CBUFFER_END
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// 投影参数
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// float4 _ProjectionParams;
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// 屏幕参数
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// float4 _ScreenParams;
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v2f vert (appdata v)
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{
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v2f o;
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o.vertex = v.vertex;
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o.uv = v.color.xy;
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o.color.a = v.color.z;
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// 判断 Y 轴是否需要取反
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float flipY = _ProjectionParams.x;
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o.vertex.y *= flipY;
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return o;
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}
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float4 frag (v2f i) : SV_Target
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{
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// sample the texture
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float4 col = SAMPLE_TEXTURE2D_LOD(_MainTex, sampler_MainTex, i.uv, 200);
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col.a *= i.color.a;
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// col.a *= 200.0 / 255.0 * col.a;
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col.xyz *= _MainColor.xyz;
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col.a *= _MainColor.a;
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// return float4(1,0,0,1);
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// if (col.a < 0.001) discard;
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return col;
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}
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ENDHLSL
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}
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}
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}
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