procedural-3d-engine/data/hlsl/inputattachments/attachmentwrite.frag
Ben Clayton cce75f1859 Add shaders re-implemented in HLSL
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.
2020-05-21 12:58:13 +01:00

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GLSL

// Copyright 2020 Google LLC
struct VSOutput
{
[[vk::location(0)]] float3 Color : COLOR0;
[[vk::location(1)]] float3 Normal : NORMAL0;
[[vk::location(2)]] float3 ViewVec : TEXCOORD1;
[[vk::location(3)]] float3 LightVec : TEXCOORD2;
};
float4 main(VSOutput input) : SV_TARGET
{
// Toon shading color attachment output
float intensity = dot(normalize(input.Normal), normalize(input.LightVec));
float shade = 1.0;
shade = intensity < 0.5 ? 0.75 : shade;
shade = intensity < 0.35 ? 0.6 : shade;
shade = intensity < 0.25 ? 0.5 : shade;
shade = intensity < 0.1 ? 0.25 : shade;
return float4(input.Color * 3.0 * shade, 1);
// Depth attachment does not need to be explicitly written
}