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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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62
data/hlsl/hdr/bloom.frag Normal file
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// Copyright 2020 Google LLC
Texture2D textureColor0 : register(t0);
SamplerState samplerColor0 : register(s0);
Texture2D textureColor1 : register(t1);
SamplerState samplerColor1 : register(s1);
[[vk::constant_id(0)]] const int dir = 0;
float4 main([[vk::location(0)]] float2 inUV : TEXCOORD0) : SV_TARGET
{
// From the OpenGL Super bible
const float weights[] = { 0.0024499299678342,
0.0043538453346397,
0.0073599963704157,
0.0118349786570722,
0.0181026699707781,
0.0263392293891488,
0.0364543006660986,
0.0479932050577658,
0.0601029809166942,
0.0715974486241365,
0.0811305381519717,
0.0874493212267511,
0.0896631113333857,
0.0874493212267511,
0.0811305381519717,
0.0715974486241365,
0.0601029809166942,
0.0479932050577658,
0.0364543006660986,
0.0263392293891488,
0.0181026699707781,
0.0118349786570722,
0.0073599963704157,
0.0043538453346397,
0.0024499299678342};
const float blurScale = 0.003;
const float blurStrength = 1.0;
float ar = 1.0;
// Aspect ratio for vertical blur pass
if (dir == 1)
{
float2 ts;
textureColor1.GetDimensions(ts.x, ts.y);
ar = ts.y / ts.x;
}
float2 P = inUV.yx - float2(0, (25 >> 1) * ar * blurScale);
float4 color = float4(0.0, 0.0, 0.0, 0.0);
for (int i = 0; i < 25; i++)
{
float2 dv = float2(0.0, i * blurScale) * ar;
color += textureColor1.Sample(samplerColor1, P + dv) * weights[i] * blurStrength;
}
return color;
}