VolumetricLighting/Assets/VolumetricFog/Shaders/Debug.shader
max 1a04e8feef Directional Light
- Directional light
- Sponza sample scene
2022-02-19 01:22:32 +01:00

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Shader "Hidden/Debug" {
SubShader {
Pass {
ZTest Always Cull Off ZWrite Off
Blend Off
CGPROGRAM
#pragma target 3.0
#include "UnityCG.cginc"
#pragma vertex vert
#pragma fragment frag
sampler2D _CameraDepthTexture;
sampler3D _VolumeInject;
sampler3D _VolumeScatter;
sampler2D _Shadowmap;
sampler2D _ShadowmapBlurred;
sampler2D _MainTex;
sampler2D _BoxLightShadowmap;
float _Z;
struct v2f
{
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
};
v2f vert (appdata_img v)
{
v2f o;
o.pos = v.vertex;
o.pos.xy = o.pos.xy * 2 - 1;
o.uv = v.texcoord.xy;
#if UNITY_UV_STARTS_AT_TOP
if (_ProjectionParams.x < 0)
o.uv.y = 1-o.uv.y;
#endif
return o;
}
half4 frag (v2f i) : SV_Target
{
half depth = Linear01Depth(SAMPLE_DEPTH_TEXTURE(_CameraDepthTexture, i.uv));
//return i.uv.xyyy;
//return tex2D(_BoxLightShadowmap, i.uv);
//return log(tex2D(_ShadowmapBlurred, i.uv))/80.0;
return tex3D(_VolumeInject, half3(i.uv.x, i.uv.y, _Z)).a;// * tex2D(_MainTex, float2(i.uv.x, i.uv.y));
}
ENDCG
}
}
}