Firstborn/Library/PackageCache/com.unity.terrain-tools@4.0.3/Shaders/NoiseLib/Templates/Blit.noisehlsltemplate
Schaken-Mods b486678290 Library -Artifacts
Library -Artifacts
2023-03-28 12:24:16 -05:00

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Shader ${ShaderCategory}
{
Properties { _MainTex ("Texture", any) = "" {} }
SubShader
{
ZTest Always Cull OFF ZWrite Off
HLSLINCLUDE
#include "UnityCG.cginc"
sampler2D _MainTex;
float4 _MainTex_TexelSize; // 1/width, 1/height, width, height
struct appdata_t
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
};
v2f vert( appdata_t v )
{
v2f o;
o.vertex = UnityObjectToClipPos( v.vertex );
o.uv = v.uv;
return o;
}
ENDHLSL
BEGINPASSTEMPLATE
// Pass
// {
// Name "${NoiseName} Raw Noise Blit (2D)"
// HLSLPROGRAM
// #pragma vertex vert
// #pragma fragment frag
// ${Includes}
// float4 frag( v2f i ) : SV_Target
// {
// float3 pos = ApplyNoiseTransform( float3(i.uv.x, 0, i.uv.y) - float3(.5, 0, .5) );
// float n = noise_${VariantName}( pos, ${GetInputs} );
// return n;
// }
// ENDHLSL
// }
Pass // 0 - 2D ${NoiseName} Noise
{
Name "${NoiseName} Raw Noise Blit (2D)"
HLSLPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature USE_NOISE_TEXTURE
${Includes}
#if USE_NOISE_TEXTURE
sampler2D _NoiseTex;
#endif
float4 frag( v2f i ) : SV_Target
{
// calc pos for center of pixel
float3 uv = float3( i.uv.x, 0, i.uv.y ) - float3( .5, 0, .5 );
#if USE_NOISE_TEXTURE
float pos = tex2D( _NoiseTex, i.uv ).r * _NoiseTransform._m00 + _NoiseTransform._m13;
#else
float3 pos = ApplyNoiseTransform( uv.xyz );
#endif
float n = noise_${VariantName}( pos, ${GetInputs} );
return PackHeightmap(n);
}
ENDHLSL
}
Pass // 1 - 3D ${NoiseName} Noise
{
Name "${NoiseName} Raw Noise Blit (3D)"
HLSLPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature _ USE_NOISE_TEXTURE
${Includes}
#if USE_NOISE_TEXTURE
sampler3D _NoiseTex;
#endif
float _UVY;
float4 frag( v2f i ) : SV_Target
{
#if USE_NOISE_TEXTURE
float pos = tex3D( _NoiseTex, float3(i.uv.x, _UVY, i.uv.y) ).r;
#else
float3 pos = ApplyNoiseTransform( float3(i.uv.x, _UVY, i.uv.y) - float3(.5, 0, .5) );
#endif
float n = noise_${VariantName}( pos, ${GetInputs} );
return PackHeightmap(n);
}
ENDHLSL
}
ENDPASSTEMPLATE
}
}