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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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data/hlsl/ssao/gbuffer.frag Normal file
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// Copyright 2020 Google LLC
struct VSOutput
{
float4 Pos : SV_POSITION;
[[vk::location(0)]] float3 Normal : NORMAL0;
[[vk::location(1)]] float2 UV : TEXCOORD0;
[[vk::location(2)]] float3 Color : COLOR0;
[[vk::location(3)]] float3 WorldPos : POSITION0;
};
struct FSOutput
{
float4 Position : SV_TARGET0;
float4 Normal : SV_TARGET1;
float4 Albedo : SV_TARGET2;
};
static const float NEAR_PLANE = 0.1f; //todo: specialization const
static const float FAR_PLANE = 64.0f; //todo: specialization const
float linearDepth(float depth)
{
float z = depth * 2.0f - 1.0f;
return (2.0f * NEAR_PLANE * FAR_PLANE) / (FAR_PLANE + NEAR_PLANE - z * (FAR_PLANE - NEAR_PLANE));
}
FSOutput main(VSOutput input)
{
FSOutput output = (FSOutput)0;
output.Position = float4(input.WorldPos, linearDepth(input.Pos.z));
output.Normal = float4(normalize(input.Normal) * 0.5 + 0.5, 1.0);
output.Albedo = float4(input.Color * 2.0, 1.0);
return output;
}