Created
June 24, 2022 04:19
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//StereoScreen.shader | |
//Copyright (c) 2022 sunasaji | |
//SPDX-License-Identifier: MIT | |
Shader "Unlit/StereoScreen" { | |
Properties { | |
_MainTex ("MainTex", 2D) = "white" {} | |
_ExtendX("Extend X", float) = 0.5 | |
_LeftShiftX("Left Shift X", float) = 0 | |
_RightShiftX("Right Shift X", float) = 0.5 | |
_ExtendY("Extend Y", float) = 1 | |
_LeftShiftY("Left Shift Y", float) = 0 | |
_RightShiftY("Right Shift Y", float) = 0 | |
[Toggle]_IsAVPRO("AVPro", Int) = 0 | |
// (_ExtendX, _LeftShiftX, _RightShiftX, _ExtendY, _LeftShiftY, _RightShiftY) : Explanation | |
// (1, 0, 0, 1, 0, 0 ) : Normal Screen | |
// (0.5, 0, 0.5, 1, 0, 0 ) : SBS(LR) | |
// (0.5, 0.5, 0, 1, 0, 0 ) : SBS(RL) | |
// (1, 0, 0, 0.5, 0.5, 0 ) : OverUnder(LeftOver) | |
// (1, 0, 0, 0.5, 0, 0.5) : UnderOver(LeftUnder) | |
} | |
SubShader { | |
Tags{ "RenderType"="Opaque" "IgnoreProjector"="True" "ForceNoShadowCasting"="True" "PreviewType"="Plane" } | |
LOD 200 | |
Pass { | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment frag | |
#include "UnityCG.cginc" | |
struct appdata { | |
float4 vertex : POSITION; | |
float2 uv : TEXCOORD0; | |
UNITY_VERTEX_INPUT_INSTANCE_ID | |
}; | |
struct v2f { | |
float2 uv : TEXCOORD0; | |
float4 vertex : SV_POSITION; | |
UNITY_VERTEX_OUTPUT_STEREO | |
}; | |
sampler2D _MainTex; | |
float _ExtendX, ShiftX, _RightShiftX, _LeftShiftX, _ExtendY, ShiftY, _RightShiftY, _LeftShiftY; | |
int _IsAVPRO; | |
v2f vert (appdata v) { | |
v2f o; | |
UNITY_SETUP_INSTANCE_ID(v); | |
UNITY_INITIALIZE_OUTPUT(v2f, o); | |
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o); | |
o.vertex = UnityObjectToClipPos(v.vertex); | |
o.uv = v.uv; | |
return o; | |
} | |
fixed4 frag (v2f i) : SV_Target | |
{ | |
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i); | |
ShiftX = lerp(_LeftShiftX, _RightShiftX, unity_StereoEyeIndex); | |
ShiftY = lerp(_LeftShiftY, _RightShiftY, unity_StereoEyeIndex); | |
float2 ExtendedPos = float2(i.uv.x * _ExtendX + ShiftX, lerp(i.uv.y, 1-i.uv.y, _IsAVPRO) * _ExtendY + ShiftY); | |
fixed4 e = tex2D(_MainTex, ExtendedPos); | |
e.rgb = lerp(e.rgb, pow(e.rgb,2.2), _IsAVPRO); | |
return e; | |
} | |
ENDCG | |
} | |
} | |
} |
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