soundvision/UnityProject/Assets/ThridParty/AzureKinectExamples/Resources/UserBodyImageShader.shader
2019-10-26 22:49:14 +02:00

89 lines
No EOL
1.8 KiB
GLSL

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
Shader "Kinect/UserBodyImageShader" {
// Properties {
// _MainTex ("Base (RGB)", 2D) = "black" {}
// }
SubShader {
Pass {
ZTest Always Cull Off ZWrite Off
Fog { Mode off }
CGPROGRAM
#pragma target 5.0
//#pragma enable_d3d11_debug_symbols
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
//uniform sampler2D _MainTex;
uniform uint _TexResX;
uniform uint _TexResY;
uniform uint _MinDepth;
uniform uint _MaxDepth;
StructuredBuffer<uint> _BodyIndexMap;
//StructuredBuffer<uint> _DepthMap;
//uniform float _TotalPoints; // dummy
//uniform uint _FirstUserIndex; // dummy
//StructuredBuffer<uint> _HistMap; // dummy
struct v2f {
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
};
v2f vert (appdata_base v)
{
v2f o;
o.pos = UnityObjectToClipPos (v.vertex);
o.uv = v.texcoord;
return o;
}
float4 frag (v2f i) : COLOR
{
uint dx = (uint)(i.uv.x * _TexResX);
uint dy = (uint)(i.uv.y * _TexResY);
uint di = (dx + dy * _TexResX);
//uint depth2 = _DepthMap[di >> 1];
//uint depth = di & 1 != 0 ? depth2 >> 16 : depth2 & 0xffff;
//depth = (depth >= _MinDepth && depth <= _MaxDepth) * depth;
uint bi4 = _BodyIndexMap[di >> 2];
uint bi = 255;
switch (di & 3)
{
case 0:
bi = bi4 & 255;
break;
case 1:
bi = (bi4 >> 8) & 255;
break;
case 2:
bi = (bi4 >> 16) & 255;
break;
case 3:
bi = (bi4 >> 24) & 255;
break;
}
float clrPlayer = /**depth != 0 &&*/ bi != 255 ? 1.0 : 0.0;
return float4(clrPlayer, clrPlayer, clrPlayer, clrPlayer);
}
ENDCG
}
}
Fallback Off
}