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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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53
data/hlsl/shadowmapomni/cubemapdisplay.frag Normal file
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// Copyright 2020 Google LLC
TextureCube shadowCubeMapTexture : register(t1);
SamplerState shadowCubeMapSampler : register(s1);
float4 main([[vk::location(0)]] float2 inUV : TEXCOORD0) : SV_TARGET
{
float4 outFragColor = float4(0, 0, 0, 0);
outFragColor.rgb = float3(0.0, 0.0, 0.2);
float3 samplePos = float3(0, 0, 0);
// Crude statement to visualize different cube map faces based on UV coordinates
int x = int(floor(inUV.x / 0.25f));
int y = int(floor(inUV.y / (1.0 / 3.0)));
if (y == 1) {
float2 uv = float2(inUV.x * 4.0f, (inUV.y - 1.0/3.0) * 3.0);
uv = 2.0 * float2(uv.x - float(x) * 1.0, uv.y) - 1.0;
switch (x) {
case 0: // NEGATIVE_X
samplePos = float3(-1.0f, uv.y, uv.x);
break;
case 1: // POSITIVE_Z
samplePos = float3(uv.x, uv.y, 1.0f);
break;
case 2: // POSITIVE_X
samplePos = float3(1.0, uv.y, -uv.x);
break;
case 3: // NEGATIVE_Z
samplePos = float3(-uv.x, uv.y, -1.0f);
break;
}
} else {
if (x == 1) {
float2 uv = float2((inUV.x - 0.25) * 4.0, (inUV.y - float(y) / 3.0) * 3.0);
uv = 2.0 * uv - 1.0;
switch (y) {
case 0: // NEGATIVE_Y
samplePos = float3(uv.x, -1.0f, uv.y);
break;
case 2: // POSITIVE_Y
samplePos = float3(uv.x, 1.0f, -uv.y);
break;
}
}
}
if ((samplePos.x != 0.0f) && (samplePos.y != 0.0f)) {
float dist = length(shadowCubeMapTexture.Sample(shadowCubeMapSampler, samplePos).xyz) * 0.005;
outFragColor = float4(dist.xxx, 1.0);
}
return outFragColor;
}