27 lines
881 B
GLSL
27 lines
881 B
GLSL
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// Copyright 2020 Google LLC
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Texture2D textureColor : register(t2);
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SamplerState samplerColor : register(s2);
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struct VSOutput
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{
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[[vk::location(0)]] float3 Normal : NORMAL0;
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[[vk::location(1)]] float3 Color : COLOR0;
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[[vk::location(2)]] float2 UV : TEXCOORD0;
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[[vk::location(3)]] float3 ViewVec : TEXCOORD1;
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[[vk::location(4)]] float3 LightVec : TEXCOORD2;
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};
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float4 main(VSOutput input) : SV_TARGET
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{
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// Last array layer is terrain tex
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float4 color = textureColor.Sample(samplerColor, input.UV);
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float3 N = normalize(input.Normal);
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float3 L = normalize(input.LightVec);
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float3 V = normalize(input.ViewVec);
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float3 R = reflect(-L, N);
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float3 ambient = float3(0.65, 0.65, 0.65);
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float3 diffuse = max(dot(N, L), 0.0) * input.Color;
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float3 specular = pow(max(dot(R, V), 0.0), 16.0) * float3(0.1, 0.1, 0.1);
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return float4((ambient + diffuse) * color.rgb + specular, 1.0);
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}
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