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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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56
data/hlsl/ssao/composition.frag Normal file
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// Copyright 2020 Google LLC
Texture2D textureposition : register(t0);
SamplerState samplerposition : register(s0);
Texture2D textureNormal : register(t1);
SamplerState samplerNormal : register(s1);
Texture2D textureAlbedo : register(t2);
SamplerState samplerAlbedo : register(s2);
Texture2D textureSSAO : register(t3);
SamplerState samplerSSAO : register(s3);
Texture2D textureSSAOBlur : register(t4);
SamplerState samplerSSAOBlur : register(s4);
struct UBO
{
float4x4 _dummy;
int ssao;
int ssaoOnly;
int ssaoBlur;
};
cbuffer uboParams : register(b5) { UBO uboParams; };
float4 main([[vk::location(0)]] float2 inUV : TEXCOORD0) : SV_TARGET
{
float3 fragPos = textureposition.Sample(samplerposition, inUV).rgb;
float3 normal = normalize(textureNormal.Sample(samplerNormal, inUV).rgb * 2.0 - 1.0);
float4 albedo = textureAlbedo.Sample(samplerAlbedo, inUV);
float ssao = (uboParams.ssaoBlur == 1) ? textureSSAOBlur.Sample(samplerSSAOBlur, inUV).r : textureSSAO.Sample(samplerSSAO, inUV).r;
float3 lightPos = float3(0.0, 0.0, 0.0);
float3 L = normalize(lightPos - fragPos);
float NdotL = max(0.5, dot(normal, L));
float4 outFragColor;
if (uboParams.ssaoOnly == 1)
{
outFragColor.rgb = ssao.rrr;
}
else
{
float3 baseColor = albedo.rgb * NdotL;
if (uboParams.ssao == 1)
{
outFragColor.rgb = ssao.rrr;
if (uboParams.ssaoOnly != 1)
outFragColor.rgb *= baseColor;
}
else
{
outFragColor.rgb = baseColor;
}
}
return outFragColor;
}