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