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49 lines
1.3 KiB
HLSL
49 lines
1.3 KiB
HLSL
#include "LightPS.hlsli"
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Texture2D DepthTex : register(t0);
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Texture2D DiffuseTex : register(t2);
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Texture2D NormalTex : register(t3);
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Texture2D SpecularTex : register(t4);
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Texture2D IrradianceTex : register(t5);
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struct VS_Output
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{
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float4 Pos : SV_POSITION;
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float4 Screen : TEXCOORD0;
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};
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PS_OUTPUT main(VS_Output input)
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{
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uint3 ssloc = uint3(input.Pos.xy, 0); //pixel location
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float depth = DepthTex.Load(ssloc).r;
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if (depth == 0) discard; //no existing pixel rendered here
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float4 diffuse = DiffuseTex.Load(ssloc);
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float4 normal = NormalTex.Load(ssloc);
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float4 specular = SpecularTex.Load(ssloc);
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float4 irradiance = IrradianceTex.Load(ssloc);
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PS_OUTPUT output;
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output.Depth = input.Pos.z;
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switch (RenderMode)
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{
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case 5: output.Colour = float4(diffuse.rgb, 1); return output;
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case 6: output.Colour = float4(normal.rgb, 1); return output;
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case 7: output.Colour = float4(specular.rgb, 1); return output;
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}
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float4 spos = float4(input.Screen.xy/input.Screen.w, depth, 1);
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float4 cpos = mul(spos, ViewProjInv);
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float3 camRel = cpos.xyz * (1/cpos.w);
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float3 norm = normal.xyz * 2 - 1;
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float3 c = DeferredDirectionalLight(camRel, norm, diffuse, specular, irradiance);
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output.Colour = float4(c, 1);
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output.Depth = depth;
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return output;
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}
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