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77 行
2.3 KiB
77 行
2.3 KiB
Shader "Unlit/ARKitLWRP"
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{
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Properties
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{
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_textureY ("TextureY", 2D) = "white" {}
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_textureCbCr ("TextureCbCr", 2D) = "black" {}
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}
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SubShader
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{
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Tags { "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline"}
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LOD 100
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Pass
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{
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Name "Default"
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Tags { "LightMode" = "LightweightForward"}
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ZTest Always ZWrite Off
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HLSLPROGRAM
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// Required to compile gles 2.0 with standard srp library
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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#pragma vertex Vertex
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#pragma fragment Fragment
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#include "LWRP/ShaderLibrary/Core.hlsl"
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float4x4 _UnityDisplayTransform;
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struct VertexInput
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct VertexOutput
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{
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half4 pos : SV_POSITION;
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half2 uv : TEXCOORD0;
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};
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TEXTURE2D(_textureY);
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SAMPLER(sampler_textureY);
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TEXTURE2D(_textureCbCr);
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SAMPLER(sampler_textureCbCr);
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VertexOutput Vertex(VertexInput i)
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{
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VertexOutput o;
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o.pos = TransformObjectToHClip(i.vertex.xyz);
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o.uv.x = (_UnityDisplayTransform[0].x * i.uv.x + _UnityDisplayTransform[1].x * (i.uv.y) + _UnityDisplayTransform[2].x);
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o.uv.y = (_UnityDisplayTransform[0].y * i.uv.x + _UnityDisplayTransform[1].y * (i.uv.y) + _UnityDisplayTransform[2].y);
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return o;
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}
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half4 Fragment(VertexOutput i) : SV_Target
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{
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half y = SAMPLE_TEXTURE2D(_textureY, sampler_textureY, i.uv).r;
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half4 ycbcr = half4(y, SAMPLE_TEXTURE2D(_textureCbCr, sampler_textureCbCr, i.uv).rg, 1.0);
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const half4x4 ycbcrToRGBTransform = half4x4(
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half4(1.0, +0.0000, +1.4020, -0.7010),
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half4(1.0, -0.3441, -0.7141, +0.5291),
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half4(1.0, +1.7720, +0.0000, -0.8860),
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half4(0.0, +0.0000, +0.0000, +1.0000)
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);
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return mul(ycbcrToRGBTransform, ycbcr);
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}
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ENDHLSL
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}
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}
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}
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