112 lines
2.4 KiB
Text
112 lines
2.4 KiB
Text
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//======= Copyright (c) Stereolabs Corporation, All rights reserved. ===============
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// Sets the ZED depth after the depth texture of Unity is created
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Shader "ZED/ZED Forward"
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{
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Properties
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{
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[HideInInspector] _MainTex("Base (RGB) Trans (A)", 2D) = "" {}
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_DepthXYZTex("Depth texture", 2D) = "" {}
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_CameraTex("Texture from ZED", 2D) = "" {}
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}
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SubShader
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{
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Stencil{
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Ref 129
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Comp[_ZEDStencilComp]
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Pass keep
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}
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Pass
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{
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Tags { "RenderType"="Opaque" "Queue"="Geometry" "LightMode" = "Always" }
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ZWrite On
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ZTest Always
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Cull Off
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CGPROGRAM
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#pragma target 4.0
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#pragma vertex vert
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#pragma fragment frag
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#pragma exclude_renderers nomrt
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#pragma multi_compile __ ZED_XYZ
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#pragma multi_compile __ DEPTH_ALPHA
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#pragma multi_compile __ NO_DEPTH
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#include "UnityCG.cginc"
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#include "../ZED_Utils.cginc"
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#include "Lighting.cginc"
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#include "UnityCG.cginc"
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float4 _MaskTex_ST;
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struct v2f
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{
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float4 pos : SV_POSITION;
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float4 screenUV : TEXCOORD0;
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float4 depthUV : TEXCOORD1;
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};
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v2f vert (float3 v : POSITION)
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{
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v2f o;
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#if SHADER_API_D3D11
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o.pos = float4(v.x*2.0,v.y*2.0,0,1);
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#elif SHADER_API_GLCORE
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o.pos = float4(v.x*2.0, -v.y*2.0, 0, 1);
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#else
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o.pos = float4(v.x*2.0, v.y*2.0, 0, 1);
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#endif
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o.screenUV = float4(v.x-0.5,v.y-0.5,0,1);
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o.depthUV = float4(v.x + 0.5, v.y + 0.5, 0, 1);
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return o;
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}
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sampler2D _MainTex;
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sampler2D _DepthXYZTex;
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uniform float4 _DepthXYZTex_TexelSize;
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sampler2D ZEDMaskTexGreenScreen;
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int ZEDGreenScreenActivated;
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int ZED_GreenScreen_BG;
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void frag(v2f i,
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out half4 outColor : SV_Target0,
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out float outDepth:SV_Depth)
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{
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float2 uv = i.screenUV.xy / i.screenUV.w;
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float2 depthUV = i.depthUV.xy / i.depthUV.w;
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float2 uvTex = float2(uv.x + 1.0f, uv.y + 1.0f);
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uvTex.y = 1 - uvTex.y;
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outColor = tex2D (_MainTex, uv).bgra;
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#if defined(ZED_XYZ)
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float4 dxyz = tex2D(_DepthXYZTex, depthUV).xyzw;
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float realDepth = computeDepthXYZ(dxyz.rgb);
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#else
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float4 dxyz = tex2D(_DepthXYZTex, depthUV).xxxx;
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float realDepth = computeDepthXYZ(dxyz.r);
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#endif
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//For the green screen to apply a mask on depth
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#if DEPTH_ALPHA
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float a = (tex2D(ZEDMaskTexGreenScreen, uvTex).a);
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a = a <= 0.5 ? 0 : 1;
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outDepth = realDepth*a;
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#if NO_DEPTH
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outDepth = 0;
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#endif
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#else
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outDepth = realDepth;
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#endif
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outColor = 0;
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}
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ENDCG
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}
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}
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}
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