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path: root/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader
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Diffstat (limited to 'Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader')
-rw-r--r--Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader35
1 files changed, 35 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader
new file mode 100644
index 00000000..099d105c
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_PosterizeNode.shader
@@ -0,0 +1,35 @@
+Shader "Hidden/PosterizeNode"
+{
+ Properties
+ {
+ _A ( "_RGBA", 2D ) = "white" {}
+ _B ( "_Power", 2D ) = "white" {}
+ }
+
+ SubShader
+ {
+ Pass
+ {
+ CGPROGRAM
+ #include "UnityCG.cginc"
+ #pragma vertex vert_img
+ #pragma fragment frag
+
+ uniform sampler2D _A;
+ uniform sampler2D _B;
+
+ float4 frag ( v2f_img i ) : SV_Target
+ {
+ float4 rgba = tex2D ( _B, i.uv );
+ float power = tex2D ( _A, i.uv ).r;
+ if ( power < 1 )
+ return float4(0,0,0,0);
+ float divideOp = 256.0 / float ( (int)power );
+ float4 finalColor = ( floor ( rgba * divideOp ) / divideOp );
+
+ return finalColor;
+ }
+ ENDCG
+ }
+ }
+}