106 lines
2.4 KiB
Plaintext
106 lines
2.4 KiB
Plaintext
Shader "Hidden/PostProcessing/CopyStd"
|
|
{
|
|
//
|
|
// We need this shader for the very first RT blit using the internal CommandBuffer.Blit() method
|
|
// so it can handle AAResolve properly. We also need it to be separate because of VR and the
|
|
// need for a Properties block. If we were to add this block to the other Copy shader it would
|
|
// not allow us to manually bind _MainTex, thus breaking a few other things in the process...
|
|
//
|
|
|
|
Properties
|
|
{
|
|
_MainTex ("", 2D) = "white" {}
|
|
}
|
|
|
|
CGINCLUDE
|
|
|
|
struct Attributes
|
|
{
|
|
float4 vertex : POSITION;
|
|
float2 texcoord : TEXCOORD0;
|
|
};
|
|
|
|
struct Varyings
|
|
{
|
|
float4 vertex : SV_POSITION;
|
|
float2 texcoord : TEXCOORD0;
|
|
};
|
|
|
|
sampler2D _MainTex;
|
|
float4 _MainTex_ST;
|
|
|
|
Varyings Vert(Attributes v)
|
|
{
|
|
Varyings o;
|
|
o.vertex = float4(v.vertex.xy * 2.0 - 1.0, 0.0, 1.0);
|
|
o.texcoord = v.texcoord;
|
|
|
|
#if UNITY_UV_STARTS_AT_TOP
|
|
o.texcoord = o.texcoord * float2(1.0, -1.0) + float2(0.0, 1.0);
|
|
#endif
|
|
|
|
o.texcoord = o.texcoord * _MainTex_ST.xy + _MainTex_ST.zw; // We need this for VR
|
|
|
|
return o;
|
|
}
|
|
|
|
float4 Frag(Varyings i) : SV_Target
|
|
{
|
|
float4 color = tex2D(_MainTex, i.texcoord);
|
|
return color;
|
|
}
|
|
|
|
//>>> We don't want to include StdLib.hlsl in this file so let's copy/paste what we need
|
|
bool IsNan(float x)
|
|
{
|
|
return (x < 0.0 || x > 0.0 || x == 0.0) ? false : true;
|
|
}
|
|
|
|
bool AnyIsNan(float4 x)
|
|
{
|
|
return IsNan(x.x) || IsNan(x.y) || IsNan(x.z) || IsNan(x.w);
|
|
}
|
|
//<<<
|
|
|
|
float4 FragKillNaN(Varyings i) : SV_Target
|
|
{
|
|
float4 color = tex2D(_MainTex, i.texcoord);
|
|
|
|
if (AnyIsNan(color))
|
|
{
|
|
color = (0.0).xxxx;
|
|
}
|
|
|
|
return color;
|
|
}
|
|
|
|
ENDCG
|
|
|
|
SubShader
|
|
{
|
|
Cull Off ZWrite Off ZTest Always
|
|
|
|
// 0 - Copy
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma vertex Vert
|
|
#pragma fragment Frag
|
|
|
|
ENDCG
|
|
}
|
|
|
|
// 1 - Copy + NaN killer
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma vertex Vert
|
|
#pragma fragment FragKillNaN
|
|
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|