47 lines
1.0 KiB
HLSL
47 lines
1.0 KiB
HLSL
#include "Macros.fxh"
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BEGIN_CONSTANTS
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float4x4 Model _vs(c0) _cb(c0);
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float4x4 ModelViewProjection _vs(c4) _cb(c4);
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float3 LightPosition _ps(c0) _cb(c8);
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float FarPlane _ps(c1) _cb(c9);
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END_CONSTANTS
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struct VertexShaderInput
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{
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float4 Position : POSITION;
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};
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struct VertexShaderOutput
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{
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float4 Position : SV_Position;
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float3 PositionWorld : TEXCOORD0;
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};
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VertexShaderOutput main_vs(VertexShaderInput input)
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{
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VertexShaderOutput output;
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output.Position = mul(input.Position, ModelViewProjection);
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output.PositionWorld = mul(input.Position, Model);
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return output;
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}
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float4 main_ps(VertexShaderOutput input) : SV_TARGET0
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{
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float lightDistance = length(input.PositionWorld - LightPosition);
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lightDistance /= FarPlane;
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return float4(lightDistance, 0.0, 0.0, 0.0);
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}
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Technique SimpleDepth
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{
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Pass
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{
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VertexShader = compile vs_3_0 main_vs();
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PixelShader = compile ps_3_0 main_ps();
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}
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}
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