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tysdk-intergration/sdk-intergration/LocalPackages/LeviathanVideo/Runtime/Shader/YUV420P_3D.shader
2026-03-24 11:43:22 +08:00

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Shader "LeviathanVideo/YUV420P_3D"
{
Properties
{
_MainTex ("YTexture", 2D) = "white" {}
_UTex("UTexture",2D)="white"{}
_VTex("VTexture",2D)="white"{}
[Toggle]_ReverseY("Reverse Y",Float)=1
_Color ("Tint", Color) = (1,1,1,1)
[Enum(UnityEngine.Rendering.CullMode)] _Cull ("Cull Mode", Float) = 2
[Enum(Off, 0, On, 1)] _ZWrite ("ZWrite", Float) = 1
[Enum(UnityEngine.Rendering.CompareFunction)] _ZTest ("ZTest", Float) = 4
}
SubShader
{
Tags
{
"Queue"="Transparent"
"IgnoreProjector"="True"
"RenderType"="Transparent"
}
Cull [_Cull]
Lighting Off
ZWrite [_ZWrite]
ZTest [_ZTest]
Blend SrcAlpha OneMinusSrcAlpha
Pass
{
Name "Default"
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma target 2.0
#include "UnityCG.cginc"
//Rec.709
static const half3x3 YUV_TO_RGB = half3x3(
1.16438, 1.16438, 1.16438,
0.0, -0.21325, 2.11240,
1.79274, -0.53291, 0.0
);
struct appdata_t
{
float4 vertex : POSITION;
float4 color : COLOR;
float2 texcoord : TEXCOORD0;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct v2f
{
float4 vertex : SV_POSITION;
fixed4 color : COLOR;
float2 texcoord : TEXCOORD0;
UNITY_VERTEX_OUTPUT_STEREO
};
sampler2D _MainTex,_UTex,_VTex;
fixed4 _Color;
float4 _MainTex_ST;
half _ReverseY;
v2f vert(appdata_t v)
{
v2f OUT;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
OUT.vertex = UnityObjectToClipPos(v.vertex);
OUT.texcoord = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
if (_ReverseY > 0)
{
OUT.texcoord.y = 1 - OUT.texcoord.y;
}
OUT.color = v.color * _Color;
return OUT;
}
fixed4 frag(v2f IN) : SV_Target
{
half3 c = 0;
c.r = (tex2D(_MainTex, IN.texcoord)).a - (16/255.0);
c.g = (tex2D(_UTex, IN.texcoord)).a - (128/255.0);
c.b = (tex2D(_VTex, IN.texcoord)).a - (128/255.0);
c = mul(c, YUV_TO_RGB);
half4 color = half4(c, IN.color.a);
color.rgb = saturate(color * _Color);
#ifdef UNITY_COLORSPACE_GAMMA
#else
color.rgb = pow(color.rgb, 2.2);
#endif
return color * IN.color;
}
ENDCG
}
}
}