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Add shaders re-implemented in HLSL

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These were written against the shaders at revision eddd724e7.
There have been changes made since then, which will need to be mirrored.

See `data/hlsl/README.md` for the current status of each sample.
This commit is contained in:
Ben Clayton 2020-05-21 10:20:19 +00:00
parent 10a1ecaf7b
commit cce75f1859
287 changed files with 11263 additions and 0 deletions
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29
data/hlsl/pipelines/phong.frag Normal file
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// Copyright 2020 Google LLC
Texture2D textureColorMap : register(t1);
SamplerState samplerColorMap : register(s1);
struct VSOutput
{
[[vk::location(0)]] float3 Normal : NORMAL0;
[[vk::location(1)]] float3 Color : COLOR0;
[[vk::location(2)]] float2 UV : TEXCOORD0;
[[vk::location(3)]] float3 ViewVec : TEXCOORD1;
[[vk::location(4)]] float3 LightVec : TEXCOORD2;
};
float4 main(VSOutput input) : SV_TARGET
{
// Desaturate color
float3 color = lerp(input.Color, dot(float3(0.2126,0.7152,0.0722), input.Color).xxx, 0.65);
// High ambient colors because mesh materials are pretty dark
float3 ambient = color * float3(1.0, 1.0, 1.0);
float3 N = normalize(input.Normal);
float3 L = normalize(input.LightVec);
float3 V = normalize(input.ViewVec);
float3 R = reflect(-L, N);
float3 diffuse = max(dot(N, L), 0.0) * color;
float3 specular = pow(max(dot(R, V), 0.0), 32.0) * float3(0.35, 0.35, 0.35);
return float4(ambient + diffuse * 1.75 + specular, 1.0);
}