90 lines
2.4 KiB
Plaintext
90 lines
2.4 KiB
Plaintext
// "VIVE SDK
|
||
// © 2020 HTC Corporation. All Rights Reserved.
|
||
//
|
||
// Unless otherwise required by copyright law and practice,
|
||
// upon the execution of HTC SDK license agreement,
|
||
// HTC grants you access to and use of the VIVE SDK(s).
|
||
// You shall fully comply with all of HTC’s SDK license agreement terms and
|
||
// conditions signed by you and all SDK and API requirements,
|
||
// specifications, and documentation provided by HTC to You."
|
||
|
||
Shader "VIVE/OpenXR/CompositionLayer/Texture2DBlitShader"
|
||
{
|
||
Properties
|
||
{
|
||
_MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
|
||
}
|
||
SubShader
|
||
{
|
||
Tags {"Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent"}
|
||
|
||
ZWrite Off
|
||
ColorMask RGBA
|
||
|
||
Pass
|
||
{
|
||
CGPROGRAM
|
||
#pragma vertex vert
|
||
#pragma fragment frag
|
||
|
||
#pragma multi_compile_local _ LINEAR_TO_SRGB_COLOR
|
||
#pragma multi_compile_local _ LINEAR_TO_SRGB_ALPHA
|
||
|
||
#include "UnityCG.cginc"
|
||
|
||
struct appdata
|
||
{
|
||
float4 vertex : POSITION;
|
||
float2 uv : TEXCOORD0;
|
||
};
|
||
|
||
struct v2f
|
||
{
|
||
float2 uv : TEXCOORD0;
|
||
float4 vertex : SV_POSITION;
|
||
};
|
||
|
||
sampler2D _MainTex;
|
||
int _LinearColorSpaceConversionNeeded;
|
||
float4 _MainTex_ST;
|
||
|
||
v2f vert (appdata v)
|
||
{
|
||
v2f o;
|
||
o.vertex = UnityObjectToClipPos(v.vertex);
|
||
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||
|
||
#if UNITY_UV_STARTS_AT_TOP
|
||
o.uv.y = 1.0 - o.uv.y;
|
||
#endif
|
||
|
||
return o;
|
||
}
|
||
|
||
fixed4 frag (v2f i) : SV_Target
|
||
{
|
||
// sample the texture
|
||
fixed4 col = tex2D(_MainTex, i.uv);
|
||
|
||
//Linear to sRGB approximation
|
||
#ifdef LINEAR_TO_SRGB_COLOR
|
||
float3 S1c = sqrt(col.rgb);
|
||
float3 S2c = sqrt(S1c);
|
||
float3 S3c = sqrt(S2c);
|
||
col.rgb = 0.662002687 * S1c + 0.684122060 * S2c - 0.323583601 * S3c - 0.0225411470 * col.rgb;
|
||
#endif
|
||
|
||
#ifdef LINEAR_TO_SRGB_ALPHA
|
||
float S1a = sqrt(col.a);
|
||
float S2a = sqrt(S1a);
|
||
float S3a = sqrt(S2a);
|
||
col.a = 0.662002687 * S1a + 0.684122060 * S2a - 0.323583601 * S3a - 0.0225411470 * col.a;
|
||
#endif
|
||
|
||
return col;
|
||
}
|
||
ENDCG
|
||
}
|
||
}
|
||
}
|